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1 /*
2  * Copyright (c) 2022-2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "core/components_ng/pattern/tabs/tab_bar_pattern.h"
17 
18 #include <optional>
19 
20 #include "base/geometry/axis.h"
21 #include "base/geometry/dimension.h"
22 #include "base/geometry/ng/offset_t.h"
23 #include "base/geometry/ng/size_t.h"
24 #include "base/log/dump_log.h"
25 #include "base/memory/ace_type.h"
26 #include "base/utils/utils.h"
27 #include "core/common/agingadapation/aging_adapation_dialog_util.h"
28 #include "core/components/common/layout/constants.h"
29 #include "core/components_ng/pattern/scrollable/scrollable.h"
30 #include "core/components/tab_bar/tab_theme.h"
31 #include "core/components_ng/base/frame_node.h"
32 #include "core/components_ng/base/inspector_filter.h"
33 #include "core/components_ng/pattern/image/image_layout_property.h"
34 #include "core/components_ng/pattern/image/image_pattern.h"
35 #include "core/components_ng/pattern/pattern.h"
36 #include "core/components_ng/pattern/scroll/scroll_spring_effect.h"
37 #include "core/components_ng/pattern/swiper/swiper_event_hub.h"
38 #include "core/components_ng/pattern/swiper/swiper_model.h"
39 #include "core/components_ng/pattern/tabs/tabs_controller.h"
40 #include "core/components_ng/pattern/tabs/tabs_layout_property.h"
41 #include "core/components_ng/pattern/tabs/tabs_node.h"
42 #include "core/components_ng/pattern/tabs/tabs_pattern.h"
43 #include "core/components_ng/pattern/tabs/tab_content_model_ng.h"
44 #include "core/components_ng/pattern/text/text_layout_property.h"
45 #include "core/components_ng/pattern/symbol/constants.h"
46 #include "core/components_ng/pattern/symbol/symbol_effect_options.h"
47 #include "core/components_ng/property/property.h"
48 #include "core/components_v2/inspector/inspector_constants.h"
49 #include "core/pipeline_ng/pipeline_context.h"
50 #include "base/perfmonitor/perf_constants.h"
51 #include "base/perfmonitor/perf_monitor.h"
52 #include "core/components_ng/pattern/linear_layout/linear_layout_pattern.h"
53 #include "core/components_ng/pattern/text/text_pattern.h"
54 #include "core/components/toast/toast_theme.h"
55 #include "core/components/text_field/textfield_theme.h"
56 #include "core/components_ng/pattern/app_bar/app_bar_theme.h"
57 namespace OHOS::Ace::NG {
58 namespace {
59 constexpr int8_t LEFT_GRADIENT = 0;
60 constexpr int8_t RIGHT_GRADIENT = 1;
61 constexpr int8_t TOP_GRADIENT = 2;
62 constexpr int8_t BOTTOM_GRADIENT = 3;
63 constexpr float HALF_PROGRESS = 0.5f;
64 constexpr float FULL_PROGRESS = 1.0f;
65 constexpr float HALF_MASK_RADIUS_RATIO = 0.717f;
66 constexpr float FULL_MASK_RADIUS_RATIO = 1.414f;
67 constexpr float INVALID_RATIO = -1.0f;
68 constexpr uint16_t MASK_ANIMATION_DURATION = 200;
69 constexpr int8_t MASK_COUNT = 2;
70 constexpr float FULL_OPACITY = 1.0f;
71 constexpr float NEAR_FULL_OPACITY = 0.99f;
72 constexpr float NO_OPACITY = 0.0f;
73 constexpr float TEXT_COLOR_THREDHOLD = 0.673f;
74 constexpr int8_t HALF_OF_WIDTH = 2;
75 constexpr float MAX_FLING_VELOCITY = 4200.0f;
76 
77 const auto DurationCubicCurve = AceType::MakeRefPtr<CubicCurve>(0.2f, 0.0f, 0.1f, 1.0f);
78 const auto SHOW_TAB_BAR_CURVE = AceType::MakeRefPtr<CubicCurve>(0.4f, 0.0f, 0.2f, 1.0f);
79 const auto SHOW_TAB_BAR_DURATION = 500.0f;
80 const std::string TAB_BAR_PROPERTY_NAME = "tabBar";
81 const std::string INDICATOR_OFFSET_PROPERTY_NAME = "indicatorOffset";
82 const std::string INDICATOR_WIDTH_PROPERTY_NAME = "translateWidth";
83 const auto SHOW_TAB_BAR_FRAME_RATE = 120;
84 const auto SHOW_TAB_BAR_FRAME_RATE_RANGE =
85     AceType::MakeRefPtr<FrameRateRange>(0, SHOW_TAB_BAR_FRAME_RATE, SHOW_TAB_BAR_FRAME_RATE);
86 } // namespace
87 
TabBarPattern(const RefPtr<SwiperController> & swiperController)88 TabBarPattern::TabBarPattern(const RefPtr<SwiperController>& swiperController) : swiperController_(swiperController)
89 {
90     auto tabsController = AceType::DynamicCast<TabsControllerNG>(swiperController_);
91     CHECK_NULL_VOID(tabsController);
92     auto weak = WeakClaim(this);
93     tabsController->SetStartShowTabBarImpl([weak](int32_t delay) {
94         auto pattern = weak.Upgrade();
95         CHECK_NULL_VOID(pattern);
96         pattern->StartShowTabBar(delay);
97     });
98     tabsController->SetStopShowTabBarImpl([weak]() {
99         auto pattern = weak.Upgrade();
100         CHECK_NULL_VOID(pattern);
101         pattern->StopShowTabBar();
102     });
103     tabsController->SetUpdateTabBarHiddenRatioImpl([weak](float ratio) {
104         auto pattern = weak.Upgrade();
105         CHECK_NULL_VOID(pattern);
106         pattern->UpdateTabBarHiddenRatio(ratio);
107     });
108     tabsController->SetTabBarTranslateImpl([weak](const TranslateOptions& options) {
109         auto pattern = weak.Upgrade();
110         CHECK_NULL_VOID(pattern);
111         pattern->SetTabBarTranslate(options);
112     });
113     tabsController->SetTabBarOpacityImpl([weak](float opacity) {
114         auto pattern = weak.Upgrade();
115         CHECK_NULL_VOID(pattern);
116         pattern->SetTabBarOpacity(opacity);
117     });
118 }
119 
StartShowTabBar(int32_t delay)120 void TabBarPattern::StartShowTabBar(int32_t delay)
121 {
122     auto host = GetHost();
123     CHECK_NULL_VOID(host);
124     auto renderContext = host->GetRenderContext();
125     CHECK_NULL_VOID(renderContext);
126     auto options = renderContext->GetTransformTranslateValue(TranslateOptions(0.0f, 0.0f, 0.0f));
127     auto translate = options.y.ConvertToPx();
128     auto size = renderContext->GetPaintRectWithoutTransform().Height();
129     if (axis_ == Axis::VERTICAL || NearZero(translate) || NearZero(size)) {
130         return;
131     }
132     if (delay == 0 && GreatOrEqual(std::abs(translate), size)) {
133         StopShowTabBar();
134     }
135     if (isTabBarShowing_) {
136         return;
137     }
138 
139     InitTabBarProperty();
140     AnimationOption option;
141     delay = LessNotEqual(std::abs(translate), size) ? 0 : delay;
142     option.SetDelay(delay);
143     auto duration = SHOW_TAB_BAR_DURATION * (std::abs(translate) / size);
144     option.SetDuration(duration);
145     option.SetCurve(SHOW_TAB_BAR_CURVE);
146     option.SetFrameRateRange(SHOW_TAB_BAR_FRAME_RATE_RANGE);
147 
148     showTabBarProperty_->Set(translate);
149     auto propertyCallback = [weak = WeakClaim(this)]() {
150         auto pattern = weak.Upgrade();
151         CHECK_NULL_VOID(pattern);
152         pattern->showTabBarProperty_->Set(0.0f);
153     };
154     auto finishCallback = [weak = WeakClaim(this)]() {
155         auto pattern = weak.Upgrade();
156         CHECK_NULL_VOID(pattern);
157         pattern->isTabBarShowing_ = false;
158     };
159     AnimationUtils::Animate(option, propertyCallback, finishCallback);
160     isTabBarShowing_ = true;
161 }
162 
InitTabBarProperty()163 void TabBarPattern::InitTabBarProperty()
164 {
165     if (showTabBarProperty_) {
166         return;
167     }
168     auto host = GetHost();
169     CHECK_NULL_VOID(host);
170     auto renderContext = host->GetRenderContext();
171     CHECK_NULL_VOID(renderContext);
172 
173     auto propertyCallback = [weak = WeakClaim(this)](float value) {
174         auto pattern = weak.Upgrade();
175         CHECK_NULL_VOID(pattern);
176         auto host = pattern->GetHost();
177         CHECK_NULL_VOID(host);
178         auto renderContext = host->GetRenderContext();
179         CHECK_NULL_VOID(renderContext);
180 
181         pattern->SetTabBarTranslate(TranslateOptions(0.0f, value, 0.0f));
182         auto size = renderContext->GetPaintRectWithoutTransform().Height();
183         if (NearZero(size)) {
184             return;
185         }
186         pattern->SetTabBarOpacity(1.0f - std::abs(value) / size);
187     };
188     showTabBarProperty_ = AceType::MakeRefPtr<NodeAnimatablePropertyFloat>(0.0, std::move(propertyCallback));
189     renderContext->AttachNodeAnimatableProperty(showTabBarProperty_);
190 }
191 
StopShowTabBar()192 void TabBarPattern::StopShowTabBar()
193 {
194     if (axis_ == Axis::VERTICAL || !isTabBarShowing_) {
195         return;
196     }
197     auto host = GetHost();
198     CHECK_NULL_VOID(host);
199     auto renderContext = host->GetRenderContext();
200     CHECK_NULL_VOID(renderContext);
201 
202     AnimationOption option;
203     option.SetDuration(0);
204     option.SetCurve(Curves::LINEAR);
205     auto options = renderContext->GetTransformTranslateValue(TranslateOptions(0.0f, 0.0f, 0.0f));
206     auto translate = options.y.ConvertToPx();
207     auto propertyCallback = [weak = WeakClaim(this), translate]() {
208         auto pattern = weak.Upgrade();
209         CHECK_NULL_VOID(pattern);
210         pattern->showTabBarProperty_->Set(translate);
211     };
212     AnimationUtils::Animate(option, propertyCallback);
213     isTabBarShowing_ = false;
214 }
215 
UpdateTabBarHiddenRatio(float ratio)216 void TabBarPattern::UpdateTabBarHiddenRatio(float ratio)
217 {
218     if (axis_ == Axis::VERTICAL || isTabBarShowing_) {
219         return;
220     }
221     auto host = GetHost();
222     CHECK_NULL_VOID(host);
223     auto renderContext = host->GetRenderContext();
224     CHECK_NULL_VOID(renderContext);
225     auto tabsNode = AceType::DynamicCast<TabsNode>(host->GetParent());
226     CHECK_NULL_VOID(tabsNode);
227     auto tabsLayoutProperty = AceType::DynamicCast<TabsLayoutProperty>(tabsNode->GetLayoutProperty());
228     CHECK_NULL_VOID(tabsLayoutProperty);
229 
230     auto options = renderContext->GetTransformTranslateValue(TranslateOptions(0.0f, 0.0f, 0.0f));
231     float translate = options.y.ConvertToPx();
232     auto size = renderContext->GetPaintRectWithoutTransform().Height();
233     auto barPosition = tabsLayoutProperty->GetTabBarPosition().value_or(BarPosition::START);
234     if (barPosition == BarPosition::START) {
235         translate = std::clamp(translate - size * ratio, -size, 0.0f);
236     } else {
237         translate = std::clamp(translate + size * ratio, 0.0f, size);
238     }
239     renderContext->UpdateTransformTranslate(TranslateOptions(0.0f, translate, 0.0f));
240     float opacity = renderContext->GetOpacityValue(1.0f);
241     opacity = std::clamp(opacity - ratio, 0.0f, 1.0f);
242     renderContext->UpdateOpacity(opacity);
243 }
244 
SetTabBarTranslate(const TranslateOptions & options)245 void TabBarPattern::SetTabBarTranslate(const TranslateOptions& options)
246 {
247     auto host = GetHost();
248     CHECK_NULL_VOID(host);
249     auto renderContext = host->GetRenderContext();
250     CHECK_NULL_VOID(renderContext);
251     renderContext->UpdateTransformTranslate(options);
252 }
253 
SetTabBarOpacity(float opacity)254 void TabBarPattern::SetTabBarOpacity(float opacity)
255 {
256     auto host = GetHost();
257     CHECK_NULL_VOID(host);
258     auto renderContext = host->GetRenderContext();
259     CHECK_NULL_VOID(renderContext);
260     renderContext->UpdateOpacity(opacity);
261 }
262 
FindTextAndImageNode(const RefPtr<FrameNode> & columnNode,RefPtr<FrameNode> & textNode,RefPtr<FrameNode> & imageNode)263 void FindTextAndImageNode(
264     const RefPtr<FrameNode>& columnNode, RefPtr<FrameNode>& textNode, RefPtr<FrameNode>& imageNode)
265 {
266     if (columnNode->GetTag() == V2::TEXT_ETS_TAG) {
267         textNode = columnNode;
268     } else if (columnNode->GetTag() == V2::IMAGE_ETS_TAG || columnNode->GetTag() == V2::SYMBOL_ETS_TAG) {
269         imageNode = columnNode;
270     } else {
271         std::list<RefPtr<UINode>> children = columnNode->GetChildren();
272         for (auto child : children) {
273             FindTextAndImageNode(AceType::DynamicCast<FrameNode>(child), textNode, imageNode);
274         }
275     }
276 }
277 
OnAttachToFrameNode()278 void TabBarPattern::OnAttachToFrameNode()
279 {
280     auto host = GetHost();
281     CHECK_NULL_VOID(host);
282     auto renderContext = host->GetRenderContext();
283     CHECK_NULL_VOID(renderContext);
284     renderContext->SetClipToFrame(true);
285     host->GetLayoutProperty()->UpdateSafeAreaExpandOpts(
286         { .type = SAFE_AREA_TYPE_SYSTEM, .edges = SAFE_AREA_EDGE_BOTTOM });
287     swiperController_->SetTabBarFinishCallback([weak = WeakClaim(this)]() {
288         auto pattern = weak.Upgrade();
289         CHECK_NULL_VOID(pattern);
290         // always swipe with physical curve, ignore animationDuration
291         pattern->SetSwiperCurve(TabBarPhysicalCurve);
292 
293         if (pattern->scrollableEvent_) {
294             auto scrollable = pattern->scrollableEvent_->GetScrollable();
295             if (scrollable) {
296                 scrollable->StopScrollable();
297             }
298         }
299 
300         pattern->StopTranslateAnimation();
301         pattern->ResetIndicatorAnimationState();
302         auto swiperPattern = pattern->GetSwiperPattern();
303         CHECK_NULL_VOID(swiperPattern);
304         auto currentIndex = swiperPattern->GetCurrentIndex();
305         auto totalCount = swiperPattern->TotalCount();
306         if (currentIndex >= totalCount || currentIndex < 0) {
307             currentIndex = 0;
308         }
309         auto layoutProperty = pattern->GetLayoutProperty<TabBarLayoutProperty>();
310         CHECK_NULL_VOID(layoutProperty);
311         if (layoutProperty->GetIndicatorValue(0) != currentIndex) {
312             pattern->UpdateSubTabBoard(currentIndex);
313             pattern->UpdateTextColorAndFontWeight(currentIndex);
314             pattern->UpdateIndicator(currentIndex);
315             pattern->SetChangeByClick(false);
316         }
317     });
318     InitSurfaceChangedCallback();
319 }
320 
InitSurfaceChangedCallback()321 void TabBarPattern::InitSurfaceChangedCallback()
322 {
323     auto host = GetHost();
324     CHECK_NULL_VOID(host);
325     auto pipeline = host->GetContextRefPtr();
326     CHECK_NULL_VOID(pipeline);
327     if (!HasSurfaceChangedCallback()) {
328         auto callbackId = pipeline->RegisterSurfaceChangedCallback(
329             [weak = WeakClaim(this)](int32_t newWidth, int32_t newHeight, int32_t prevWidth, int32_t prevHeight,
330                 WindowSizeChangeReason type) {
331                 auto pattern = weak.Upgrade();
332                 if (!pattern) {
333                     return;
334                 }
335 
336                 pattern->windowSizeChangeReason_ = type;
337                 pattern->prevRootSize_ = std::make_pair(prevWidth, prevHeight);
338 
339                 if (type == WindowSizeChangeReason::ROTATION) {
340                     pattern->StopTranslateAnimation();
341                 }
342             });
343         UpdateSurfaceChangedCallbackId(callbackId);
344     }
345 }
346 
OnDetachFromFrameNode(FrameNode * node)347 void TabBarPattern::OnDetachFromFrameNode(FrameNode* node)
348 {
349     auto pipeline = GetContext();
350     CHECK_NULL_VOID(pipeline);
351     if (HasSurfaceChangedCallback()) {
352         pipeline->UnregisterSurfaceChangedCallback(surfaceChangedCallbackId_.value_or(-1));
353     }
354     pipeline->RemoveWindowStateChangedCallback(node->GetId());
355 }
356 
BeforeCreateLayoutWrapper()357 void TabBarPattern::BeforeCreateLayoutWrapper()
358 {
359     auto host = GetHost();
360     CHECK_NULL_VOID(host);
361     auto layoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
362     CHECK_NULL_VOID(layoutProperty);
363     if (targetIndex_) {
364         targetIndex_ = GetLoopIndex(targetIndex_.value());
365     }
366     if (isExecuteBuilder_) {
367         jumpIndex_ = layoutProperty->GetIndicatorValue(0);
368         isExecuteBuilder_ = false;
369     }
370 }
371 
AddTabBarItemClickEvent(const RefPtr<FrameNode> & tabBarItem)372 void TabBarPattern::AddTabBarItemClickEvent(const RefPtr<FrameNode>& tabBarItem)
373 {
374     CHECK_NULL_VOID(tabBarItem);
375     auto tabBarItemId = tabBarItem->GetId();
376     if (clickEvents_.find(tabBarItemId) != clickEvents_.end()) {
377         return;
378     }
379 
380     auto eventHub = tabBarItem->GetEventHub<EventHub>();
381     CHECK_NULL_VOID(eventHub);
382     auto gestureHub = eventHub->GetOrCreateGestureEventHub();
383     CHECK_NULL_VOID(gestureHub);
384     auto clickCallback = [weak = WeakClaim(this), tabBarItemId](GestureEvent& info) {
385         auto tabBar = weak.Upgrade();
386         CHECK_NULL_VOID(tabBar);
387         auto host = tabBar->GetHost();
388         CHECK_NULL_VOID(host);
389         auto index = host->GetChildFlatIndex(tabBarItemId).second;
390         tabBar->HandleClick(info.GetSourceDevice(), index);
391     };
392     auto clickEvent = AceType::MakeRefPtr<ClickEvent>(std::move(clickCallback));
393     clickEvents_[tabBarItemId] = clickEvent;
394     gestureHub->AddClickEvent(clickEvent);
395 }
396 
AddMaskItemClickEvent()397 void TabBarPattern::AddMaskItemClickEvent()
398 {
399     auto host = GetHost();
400     CHECK_NULL_VOID(host);
401     auto childCount = host->GetChildren().size() - MASK_COUNT;
402 
403     for (int32_t maskIndex = 0; maskIndex < MASK_COUNT; maskIndex++) {
404         auto maskNode = AceType::DynamicCast<FrameNode>(host->GetChildAtIndex(childCount + maskIndex));
405         CHECK_NULL_VOID(maskNode);
406         auto maskNodeId = maskNode->GetId();
407         if (clickEvents_.find(maskNodeId) != clickEvents_.end()) {
408             continue;
409         }
410 
411         auto eventHub = maskNode->GetEventHub<EventHub>();
412         CHECK_NULL_VOID(eventHub);
413         auto gestureHub = eventHub->GetOrCreateGestureEventHub();
414         CHECK_NULL_VOID(gestureHub);
415         auto clickCallback = [weak = WeakClaim(this), maskIndex](GestureEvent& info) {
416             auto tabBar = weak.Upgrade();
417             CHECK_NULL_VOID(tabBar);
418             auto layoutProperty = tabBar->GetLayoutProperty<TabBarLayoutProperty>();
419             CHECK_NULL_VOID(layoutProperty);
420             auto index = (maskIndex == 0) ? layoutProperty->GetSelectedMask().value_or(-1) :
421                 layoutProperty->GetUnselectedMask().value_or(-1);
422             if (index >= 0) {
423                 tabBar->HandleClick(info.GetSourceDevice(), index);
424             }
425         };
426         auto clickEvent = AceType::MakeRefPtr<ClickEvent>(std::move(clickCallback));
427         clickEvents_[maskNodeId] = clickEvent;
428         gestureHub->AddClickEvent(clickEvent);
429     }
430 }
431 
InitLongPressEvent(const RefPtr<GestureEventHub> & gestureHub)432 void TabBarPattern::InitLongPressEvent(const RefPtr<GestureEventHub>& gestureHub)
433 {
434     if (longPressEvent_) {
435         return;
436     }
437 
438     auto longPressTask = [weak = WeakClaim(this)](GestureEvent& info) {
439         auto tabBar = weak.Upgrade();
440         if (tabBar) {
441             tabBar->HandleLongPressEvent(info);
442         }
443     };
444     longPressEvent_ = AceType::MakeRefPtr<LongPressEvent>(std::move(longPressTask));
445     gestureHub->SetLongPressEvent(longPressEvent_);
446 }
447 
InitDragEvent(const RefPtr<GestureEventHub> & gestureHub)448 void TabBarPattern::InitDragEvent(const RefPtr<GestureEventHub>& gestureHub)
449 {
450     CHECK_NULL_VOID(!dragEvent_);
451     auto actionUpdateTask = [weak = WeakClaim(this)](const GestureEvent& info) {
452         auto tabBar = weak.Upgrade();
453         auto index = tabBar->CalculateSelectedIndex(info.GetLocalLocation());
454         auto host = tabBar->GetHost();
455         CHECK_NULL_VOID(host);
456         auto totalCount = host->TotalChildCount() - MASK_COUNT;
457         if (tabBar && tabBar->dialogNode_ && index >= 0 && index < totalCount) {
458             if (!tabBar->moveIndex_.has_value()) {
459                 tabBar->moveIndex_ = index;
460             }
461 
462             if (tabBar->moveIndex_ != index) {
463                 tabBar->CloseDialog();
464                 tabBar->moveIndex_ = index;
465                 tabBar->ShowDialogWithNode(index);
466             }
467         }
468     };
469     dragEvent_ = MakeRefPtr<DragEvent>(nullptr, std::move(actionUpdateTask), nullptr, nullptr);
470     PanDirection panDirection = { .type = PanDirection::ALL };
471     gestureHub->SetDragEvent(dragEvent_, panDirection, DEFAULT_PAN_FINGER, DEFAULT_PAN_DISTANCE);
472 }
473 
InitScrollableEvent(const RefPtr<TabBarLayoutProperty> & layoutProperty,const RefPtr<GestureEventHub> & gestureHub)474 void TabBarPattern::InitScrollableEvent(
475     const RefPtr<TabBarLayoutProperty>& layoutProperty, const RefPtr<GestureEventHub>& gestureHub)
476 {
477     if (layoutProperty->GetTabBarModeValue(TabBarMode::FIXED) == TabBarMode::SCROLLABLE) {
478         InitScrollable(gestureHub);
479         SetEdgeEffect(gestureHub);
480     } else {
481         if (scrollableEvent_) {
482             gestureHub->RemoveScrollableEvent(scrollableEvent_);
483             scrollableEvent_.Reset();
484         }
485         if (scrollEffect_) {
486             gestureHub->RemoveScrollEdgeEffect(scrollEffect_);
487             scrollEffect_.Reset();
488         }
489     }
490 }
491 
InitScrollable(const RefPtr<GestureEventHub> & gestureHub)492 void TabBarPattern::InitScrollable(const RefPtr<GestureEventHub>& gestureHub)
493 {
494     auto host = GetHost();
495     CHECK_NULL_VOID(host);
496     auto layoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
497     CHECK_NULL_VOID(layoutProperty);
498     auto axis = layoutProperty->GetAxis().value_or(Axis::HORIZONTAL);
499     if (axis_ == axis && scrollableEvent_) {
500         return;
501     }
502 
503     axis_ = axis;
504     auto task = [weak = WeakClaim(this)](double offset, int32_t source) {
505         if (source == SCROLL_FROM_START) {
506             return true;
507         }
508         auto pattern = weak.Upgrade();
509         CHECK_NULL_RETURN(pattern, false);
510         if (!pattern->CanScroll()) {
511             return false;
512         }
513 
514         if (pattern->IsOutOfBoundary()) {
515             // over scroll in drag update from normal to over scroll or during over scroll.
516             auto scrollable = pattern->scrollableEvent_->GetScrollable();
517             if (scrollable) {
518                 scrollable->SetCanOverScroll(true);
519             }
520 
521             auto host = pattern->GetHost();
522             CHECK_NULL_RETURN(host, false);
523             auto geometryNode = host->GetGeometryNode();
524             CHECK_NULL_RETURN(geometryNode, false);
525             auto overScrollInfo = pattern->GetOverScrollInfo(geometryNode->GetPaddingSize());
526             if (source == SCROLL_FROM_UPDATE) {
527                 // adjust offset.
528                 if (overScrollInfo.second != 0.0f) {
529                     pattern->canOverScroll_ = true;
530                     auto friction = CalculateFriction(std::abs(overScrollInfo.first) / overScrollInfo.second);
531                     pattern->UpdateCurrentOffset(static_cast<float>(offset * friction));
532                 }
533                 return true;
534             }
535         }
536         if (source != SCROLL_FROM_AXIS) {
537             pattern->canOverScroll_ = true;
538         }
539         pattern->UpdateCurrentOffset(static_cast<float>(offset));
540         return true;
541     };
542 
543     if (scrollableEvent_) {
544         gestureHub->RemoveScrollableEvent(scrollableEvent_);
545     }
546 
547     scrollableEvent_ = MakeRefPtr<ScrollableEvent>(axis);
548     auto scrollable = MakeRefPtr<Scrollable>(task, axis);
549     scrollable->SetNodeId(host->GetAccessibilityId());
550     scrollable->Initialize(host->GetContextRefPtr());
551     scrollable->SetMaxFlingVelocity(MAX_FLING_VELOCITY);
552     auto renderContext = host->GetRenderContext();
553     CHECK_NULL_VOID(renderContext);
554     auto springProperty = scrollable->GetSpringProperty();
555     renderContext->AttachNodeAnimatableProperty(springProperty);
556     auto frictionProperty = scrollable->GetFrictionProperty();
557     renderContext->AttachNodeAnimatableProperty(frictionProperty);
558     scrollableEvent_->SetScrollable(scrollable);
559     gestureHub->AddScrollableEvent(scrollableEvent_);
560     scrollableEvent_->GetScrollable()->SetEdgeEffect(EdgeEffect::SPRING);
561 }
562 
CanScroll() const563 bool TabBarPattern::CanScroll() const
564 {
565     auto host = GetHost();
566     CHECK_NULL_RETURN(host, false);
567     auto layoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
568     CHECK_NULL_RETURN(layoutProperty, false);
569     if (layoutProperty->GetTabBarModeValue(TabBarMode::FIXED) == TabBarMode::FIXED) {
570         return false;
571     }
572 
573     if (visibleItemPosition_.empty()) {
574         return false;
575     }
576     auto geometryNode = host->GetGeometryNode();
577     CHECK_NULL_RETURN(geometryNode, false);
578     auto visibleItemStartIndex = visibleItemPosition_.begin()->first;
579     auto visibleItemEndIndex = visibleItemPosition_.rbegin()->first;
580     auto visibleItemStartPos = visibleItemPosition_.begin()->second.startPos;
581     auto visibleItemEndPos = visibleItemPosition_.rbegin()->second.endPos;
582     auto childCount = host->TotalChildCount() - MASK_COUNT;
583     auto contentMainSize =
584         geometryNode->GetPaddingSize().MainSize(layoutProperty->GetAxis().value_or(Axis::HORIZONTAL));
585     return visibleItemStartIndex > 0 || LessNotEqual(visibleItemStartPos, scrollMargin_) ||
586         visibleItemEndIndex < (childCount - 1) || GreatNotEqual(visibleItemEndPos, contentMainSize - scrollMargin_);
587 }
588 
GetOverScrollInfo(const SizeF & size)589 std::pair<float, float> TabBarPattern::GetOverScrollInfo(const SizeF& size)
590 {
591     auto overScroll = 0.0f;
592     auto mainSize = 0.0f;
593     if (visibleItemPosition_.empty()) {
594         return std::make_pair(overScroll, mainSize);
595     }
596 
597     auto visibleItemStartPos = visibleItemPosition_.begin()->second.startPos;
598     auto visibleItemEndPos = visibleItemPosition_.rbegin()->second.endPos;
599     auto startPos = visibleItemStartPos - scrollMargin_;
600     mainSize = size.MainSize(axis_);
601     if (Positive(startPos)) {
602         overScroll = startPos;
603     } else {
604         overScroll = mainSize - visibleItemEndPos - scrollMargin_;
605     }
606     return std::make_pair(overScroll, mainSize);
607 }
608 
InitTouch(const RefPtr<GestureEventHub> & gestureHub)609 void TabBarPattern::InitTouch(const RefPtr<GestureEventHub>& gestureHub)
610 {
611     if (touchEvent_) {
612         return;
613     }
614     auto touchCallback = [weak = WeakClaim(this)](const TouchEventInfo& info) {
615         auto pattern = weak.Upgrade();
616         CHECK_NULL_VOID(pattern);
617         pattern->HandleTouchEvent(info.GetTouches().front());
618     };
619     touchEvent_ = MakeRefPtr<TouchEventImpl>(std::move(touchCallback));
620     gestureHub->AddTouchEvent(touchEvent_);
621 }
622 
InitHoverEvent()623 void TabBarPattern::InitHoverEvent()
624 {
625     if (hoverEvent_) {
626         return;
627     }
628     auto host = GetHost();
629     CHECK_NULL_VOID(host);
630     auto eventHub = GetHost()->GetEventHub<EventHub>();
631     auto inputHub = eventHub->GetOrCreateInputEventHub();
632 
633     auto hoverTask = [weak = WeakClaim(this)](bool isHover) {
634         auto pattern = weak.Upgrade();
635         if (pattern) {
636             pattern->HandleHoverEvent(isHover);
637         }
638     };
639     hoverEvent_ = MakeRefPtr<InputEvent>(std::move(hoverTask));
640     inputHub->AddOnHoverEvent(hoverEvent_);
641 }
642 
InitMouseEvent()643 void TabBarPattern::InitMouseEvent()
644 {
645     if (mouseEvent_) {
646         return;
647     }
648     auto host = GetHost();
649     CHECK_NULL_VOID(host);
650     auto eventHub = GetHost()->GetEventHub<EventHub>();
651     auto inputHub = eventHub->GetOrCreateInputEventHub();
652     auto mouseTask = [weak = WeakClaim(this)](const MouseInfo& info) {
653         auto pattern = weak.Upgrade();
654         if (pattern) {
655             pattern->HandleMouseEvent(info);
656         }
657     };
658     mouseEvent_ = MakeRefPtr<InputEvent>(std::move(mouseTask));
659     inputHub->AddOnMouseEvent(mouseEvent_);
660 }
661 
HandleMouseEvent(const MouseInfo & info)662 void TabBarPattern::HandleMouseEvent(const MouseInfo& info)
663 {
664     if (IsContainsBuilder()) {
665         return;
666     }
667     auto host = GetHost();
668     CHECK_NULL_VOID(host);
669     auto totalCount = host->TotalChildCount() - MASK_COUNT;
670     if (totalCount < 0) {
671         return;
672     }
673     auto index = CalculateSelectedIndex(info.GetLocalLocation());
674     if (index < 0 || index >= totalCount) {
675         if (hoverIndex_.has_value() && !touchingIndex_.has_value()) {
676             HandleMoveAway(hoverIndex_.value());
677         }
678         hoverIndex_.reset();
679         return;
680     }
681     auto mouseAction = info.GetAction();
682     if (mouseAction == MouseAction::MOVE || mouseAction == MouseAction::WINDOW_ENTER) {
683         if (touchingIndex_.has_value()) {
684             hoverIndex_ = index;
685             return;
686         }
687         if (!hoverIndex_.has_value()) {
688             HandleHoverOnEvent(index);
689             hoverIndex_ = index;
690             return;
691         }
692         if (hoverIndex_.value() != index) {
693             HandleMoveAway(hoverIndex_.value());
694             HandleHoverOnEvent(index);
695             hoverIndex_ = index;
696             return;
697         }
698         return;
699     }
700     if (mouseAction == MouseAction::WINDOW_LEAVE) {
701         if (hoverIndex_.has_value()) {
702             HandleMoveAway(hoverIndex_.value());
703         }
704     }
705 }
706 
HandleHoverEvent(bool isHover)707 void TabBarPattern::HandleHoverEvent(bool isHover)
708 {
709     if (IsContainsBuilder()) {
710         return;
711     }
712     isHover_ = isHover;
713     if (!isHover_ && hoverIndex_.has_value()) {
714         if (!touchingIndex_.has_value()) {
715             HandleMoveAway(hoverIndex_.value());
716         }
717         hoverIndex_.reset();
718     }
719 }
720 
HandleHoverOnEvent(int32_t index)721 void TabBarPattern::HandleHoverOnEvent(int32_t index)
722 {
723     auto pipelineContext = PipelineContext::GetCurrentContext();
724     CHECK_NULL_VOID(pipelineContext);
725     auto tabTheme = pipelineContext->GetTheme<TabTheme>();
726     CHECK_NULL_VOID(tabTheme);
727     PlayPressAnimation(index, tabTheme->GetSubTabBarHoverColor(), AnimationType::HOVER);
728 }
729 
HandleMoveAway(int32_t index)730 void TabBarPattern::HandleMoveAway(int32_t index)
731 {
732     PlayPressAnimation(index, Color::TRANSPARENT, AnimationType::HOVER);
733 }
734 
InitOnKeyEvent(const RefPtr<FocusHub> & focusHub)735 void TabBarPattern::InitOnKeyEvent(const RefPtr<FocusHub>& focusHub)
736 {
737     auto onKeyEvent = [wp = WeakClaim(this)](const KeyEvent& event) -> bool {
738         auto pattern = wp.Upgrade();
739         if (pattern) {
740             return pattern->OnKeyEvent(event);
741         }
742         return false;
743     };
744     focusHub->SetOnKeyEventInternal(std::move(onKeyEvent));
745 
746     auto getInnerPaintRectCallback = [wp = WeakClaim(this)](RoundRect& paintRect) {
747         auto pattern = wp.Upgrade();
748         if (pattern) {
749             pattern->GetInnerFocusPaintRect(paintRect);
750         }
751     };
752     focusHub->SetInnerFocusPaintRectCallback(getInnerPaintRectCallback);
753 }
754 
OnKeyEvent(const KeyEvent & event)755 bool TabBarPattern::OnKeyEvent(const KeyEvent& event)
756 {
757     auto pipeline = PipelineContext::GetCurrentContext();
758     CHECK_NULL_RETURN(pipeline, false);
759     if (!pipeline->GetIsFocusActive()) {
760         return false;
761     }
762     isFirstFocus_ = false;
763     if (event.action != KeyAction::DOWN) {
764         return false;
765     }
766     if (tabBarStyle_ == TabBarStyle::BOTTOMTABBATSTYLE || tabBarStyle_ == TabBarStyle::SUBTABBATSTYLE) {
767         return OnKeyEventWithoutClick(event);
768     }
769     auto host = GetHost();
770     CHECK_NULL_RETURN(host, false);
771     CHECK_NULL_RETURN(swiperController_, false);
772     swiperController_->FinishAnimation();
773     auto tabBarLayoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
774     auto indicator = tabBarLayoutProperty->GetIndicatorValue(0);
775     if (event.code == (tabBarLayoutProperty->GetAxisValue(Axis::HORIZONTAL) == Axis::HORIZONTAL
776                     ? (isRTL_ ? KeyCode::KEY_DPAD_RIGHT : KeyCode::KEY_DPAD_LEFT) : KeyCode::KEY_DPAD_UP) ||
777         event.IsShiftWith(KeyCode::KEY_TAB)) {
778         if (indicator <= 0) {
779             return false;
780         }
781         indicator -= 1;
782         FocusIndexChange(indicator);
783         return true;
784     }
785     if (event.code == (tabBarLayoutProperty->GetAxisValue(Axis::HORIZONTAL) == Axis::HORIZONTAL
786                     ? (isRTL_ ? KeyCode::KEY_DPAD_LEFT : KeyCode::KEY_DPAD_RIGHT) : KeyCode::KEY_DPAD_DOWN) ||
787         event.code == KeyCode::KEY_TAB) {
788         if (indicator >= host->TotalChildCount() - MASK_COUNT - 1) {
789             return false;
790         }
791         indicator += 1;
792         FocusIndexChange(indicator);
793         return true;
794     }
795     if (event.code == KeyCode::KEY_MOVE_HOME) {
796         indicator = 0;
797         FocusIndexChange(indicator);
798         return true;
799     }
800     if (event.code == KeyCode::KEY_MOVE_END) {
801         indicator = host->TotalChildCount() - MASK_COUNT - 1;
802         FocusIndexChange(indicator);
803         return true;
804     }
805     return false;
806 }
807 
OnKeyEventWithoutClick(const KeyEvent & event)808 bool TabBarPattern::OnKeyEventWithoutClick(const KeyEvent& event)
809 {
810     auto host = GetHost();
811     CHECK_NULL_RETURN(host, false);
812     auto tabBarLayoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
813     if (event.code == (tabBarLayoutProperty->GetAxisValue(Axis::HORIZONTAL) == Axis::HORIZONTAL
814                               ? KeyCode::KEY_DPAD_LEFT
815                               : KeyCode::KEY_DPAD_UP) ||
816         event.IsShiftWith(KeyCode::KEY_TAB)) {
817         if (focusIndicator_ <= 0) {
818             return false;
819         }
820         if (!ContentWillChange(focusIndicator_ - 1)) {
821             return true;
822         }
823         focusIndicator_ -= 1;
824         PaintFocusState();
825         return true;
826     }
827     if (event.code == (tabBarLayoutProperty->GetAxisValue(Axis::HORIZONTAL) == Axis::HORIZONTAL
828                               ? KeyCode::KEY_DPAD_RIGHT
829                               : KeyCode::KEY_DPAD_DOWN) ||
830         event.code == KeyCode::KEY_TAB) {
831         if (focusIndicator_ >= host->TotalChildCount() - MASK_COUNT - 1) {
832             return false;
833         }
834         if (!ContentWillChange(focusIndicator_ + 1)) {
835             return true;
836         }
837         focusIndicator_ += 1;
838         PaintFocusState();
839         return true;
840     }
841     return OnKeyEventWithoutClick(host, event);
842 }
843 
OnKeyEventWithoutClick(const RefPtr<FrameNode> & host,const KeyEvent & event)844 bool TabBarPattern::OnKeyEventWithoutClick(const RefPtr<FrameNode>& host, const KeyEvent& event)
845 {
846     if (event.code == KeyCode::KEY_MOVE_HOME) {
847         if (!ContentWillChange(0)) {
848             return true;
849         }
850         focusIndicator_ = 0;
851         PaintFocusState();
852         return true;
853     }
854     if (event.code == KeyCode::KEY_MOVE_END) {
855         if (!ContentWillChange(host->TotalChildCount() - MASK_COUNT - 1)) {
856             return true;
857         }
858         focusIndicator_ = host->TotalChildCount() - MASK_COUNT - 1;
859         PaintFocusState();
860         return true;
861     }
862     if (event.code == KeyCode::KEY_SPACE || event.code == KeyCode::KEY_ENTER) {
863         TabBarClickEvent(focusIndicator_);
864         FocusIndexChange(focusIndicator_);
865         return true;
866     }
867     return false;
868 }
869 
FocusIndexChange(int32_t index)870 void TabBarPattern::FocusIndexChange(int32_t index)
871 {
872     auto host = GetHost();
873     CHECK_NULL_VOID(host);
874     auto tabsNode = AceType::DynamicCast<TabsNode>(host->GetParent());
875     CHECK_NULL_VOID(tabsNode);
876     auto tabsPattern = tabsNode->GetPattern<TabsPattern>();
877     CHECK_NULL_VOID(tabsPattern);
878     auto tabBarLayoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
879     CHECK_NULL_VOID(tabBarLayoutProperty);
880 
881     if (!ContentWillChange(tabBarLayoutProperty->GetIndicatorValue(0), index)) {
882         return;
883     }
884     changeByClick_ = true;
885     clickRepeat_ = true;
886     SetSwiperCurve(DurationCubicCurve);
887     if (tabsPattern->GetIsCustomAnimation()) {
888         OnCustomContentTransition(indicator_, index);
889         tabBarLayoutProperty->UpdateIndicator(index);
890         PaintFocusState(false);
891     } else {
892         UpdateAnimationDuration();
893         if (GetAnimationDuration().has_value()
894             && tabsPattern->GetAnimateMode() != TabAnimateMode::NO_ANIMATION) {
895             tabContentWillChangeFlag_ = true;
896             swiperController_->SwipeTo(index);
897         } else {
898             swiperController_->SwipeToWithoutAnimation(index);
899         }
900 
901         tabBarLayoutProperty->UpdateIndicator(index);
902         PaintFocusState();
903     }
904     UpdateTextColorAndFontWeight(index);
905     UpdateSubTabBoard(index);
906 }
907 
GetInnerFocusPaintRect(RoundRect & paintRect)908 void TabBarPattern::GetInnerFocusPaintRect(RoundRect& paintRect)
909 {
910     auto host = GetHost();
911     CHECK_NULL_VOID(host);
912     auto tabBarLayoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
913     CHECK_NULL_VOID(tabBarLayoutProperty);
914     auto indicator = tabBarLayoutProperty->GetIndicatorValue(0);
915     if (tabBarStyle_ == TabBarStyle::BOTTOMTABBATSTYLE || tabBarStyle_ == TabBarStyle::SUBTABBATSTYLE) {
916         if (isFirstFocus_) {
917             focusIndicator_ = indicator;
918         } else {
919             indicator = focusIndicator_;
920         }
921     }
922     auto childNode = AceType::DynamicCast<FrameNode>(host->GetChildAtIndex(indicator));
923     CHECK_NULL_VOID(childNode);
924     auto renderContext = childNode->GetRenderContext();
925     CHECK_NULL_VOID(renderContext);
926     auto columnPaintRect = renderContext->GetPaintRectWithoutTransform();
927     auto pipeline = PipelineContext::GetCurrentContext();
928     CHECK_NULL_VOID(pipeline);
929     auto tabTheme = pipeline->GetTheme<TabTheme>();
930     CHECK_NULL_VOID(tabTheme);
931     auto radius = tabTheme->GetFocusIndicatorRadius();
932     auto outLineWidth = tabTheme->GetActiveIndicatorWidth();
933     columnPaintRect.SetOffset(OffsetF((columnPaintRect.GetOffset().GetX() + outLineWidth.ConvertToPx() / 2),
934         (columnPaintRect.GetOffset().GetY() + outLineWidth.ConvertToPx() / 2)));
935     columnPaintRect.SetSize(SizeF((columnPaintRect.GetSize().Width() - outLineWidth.ConvertToPx()),
936         (columnPaintRect.GetSize().Height() - outLineWidth.ConvertToPx())));
937 
938     paintRect.SetRect(columnPaintRect);
939     paintRect.SetCornerRadius(RoundRect::CornerPos::TOP_LEFT_POS, static_cast<RSScalar>(radius.ConvertToPx()),
940         static_cast<RSScalar>(radius.ConvertToPx()));
941     paintRect.SetCornerRadius(RoundRect::CornerPos::TOP_RIGHT_POS, static_cast<RSScalar>(radius.ConvertToPx()),
942         static_cast<RSScalar>(radius.ConvertToPx()));
943     paintRect.SetCornerRadius(RoundRect::CornerPos::BOTTOM_LEFT_POS, static_cast<RSScalar>(radius.ConvertToPx()),
944         static_cast<RSScalar>(radius.ConvertToPx()));
945     paintRect.SetCornerRadius(RoundRect::CornerPos::BOTTOM_RIGHT_POS, static_cast<RSScalar>(radius.ConvertToPx()),
946         static_cast<RSScalar>(radius.ConvertToPx()));
947 }
948 
PaintFocusState(bool needMarkDirty)949 void TabBarPattern::PaintFocusState(bool needMarkDirty)
950 {
951     auto host = GetHost();
952     CHECK_NULL_VOID(host);
953 
954     RoundRect focusRect;
955     GetInnerFocusPaintRect(focusRect);
956 
957     auto focusHub = host->GetFocusHub();
958     CHECK_NULL_VOID(focusHub);
959     focusHub->PaintInnerFocusState(focusRect);
960 
961     if (needMarkDirty) {
962         host->MarkDirtyNode(PROPERTY_UPDATE_RENDER);
963     }
964 }
965 
OnModifyDone()966 void TabBarPattern::OnModifyDone()
967 {
968     Pattern::OnModifyDone();
969     auto host = GetHost();
970     CHECK_NULL_VOID(host);
971     auto hub = host->GetEventHub<EventHub>();
972     CHECK_NULL_VOID(hub);
973     auto gestureHub = hub->GetOrCreateGestureEventHub();
974     CHECK_NULL_VOID(gestureHub);
975 
976     AddMaskItemClickEvent();
977     InitTurnPageRateEvent();
978     auto pipelineContext = PipelineContext::GetCurrentContext();
979     CHECK_NULL_VOID(pipelineContext);
980     if (Container::GreatOrEqualAPITargetVersion(PlatformVersion::VERSION_TWELVE)) {
981         auto tabBarPaintProperty = host->GetPaintProperty<TabBarPaintProperty>();
982         CHECK_NULL_VOID(tabBarPaintProperty);
983         auto theme = pipelineContext->GetTheme<TabTheme>();
984         CHECK_NULL_VOID(theme);
985         auto defaultBlurStyle = static_cast<BlurStyle>(theme->GetBottomTabBackgroundBlurStyle());
986         if (defaultBlurStyle != BlurStyle::NO_MATERIAL) {
987             tabBarPaintProperty->UpdateTabBarBlurStyle(defaultBlurStyle);
988         }
989     }
990     auto layoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
991     CHECK_NULL_VOID(layoutProperty);
992     InitScrollableEvent(layoutProperty, gestureHub);
993     InitTouch(gestureHub);
994     InitHoverEvent();
995     InitMouseEvent();
996     SetSurfaceChangeCallback();
997     auto focusHub = host->GetFocusHub();
998     CHECK_NULL_VOID(focusHub);
999     InitOnKeyEvent(focusHub);
1000     SetAccessibilityAction();
1001     UpdateSubTabBoard(indicator_);
1002     StopTranslateAnimation();
1003     jumpIndex_ = layoutProperty->GetIndicatorValue(0);
1004 
1005     RemoveTabBarEventCallback();
1006     AddTabBarEventCallback();
1007 
1008     axis_ = layoutProperty->GetAxis().value_or(Axis::HORIZONTAL);
1009     auto tabsNode = AceType::DynamicCast<TabsNode>(host->GetParent());
1010     CHECK_NULL_VOID(tabsNode);
1011     auto tabsLayoutProperty = AceType::DynamicCast<TabsLayoutProperty>(tabsNode->GetLayoutProperty());
1012     CHECK_NULL_VOID(tabsLayoutProperty);
1013     isRTL_ = tabsLayoutProperty->GetNonAutoLayoutDirection() == TextDirection::RTL;
1014 }
1015 
SetSurfaceChangeCallback()1016 void TabBarPattern::SetSurfaceChangeCallback()
1017 {
1018     CHECK_NULL_VOID(swiperController_);
1019     auto surfaceChangeCallback = [weak = WeakClaim(this)]() {
1020         auto tabBarPattern = weak.Upgrade();
1021         CHECK_NULL_VOID(tabBarPattern);
1022         tabBarPattern->isTouchingSwiper_ = false;
1023     };
1024     swiperController_->SetSurfaceChangeCallback(std::move(surfaceChangeCallback));
1025 }
1026 
RemoveTabBarEventCallback()1027 void TabBarPattern::RemoveTabBarEventCallback()
1028 {
1029     CHECK_NULL_VOID(swiperController_);
1030     auto removeEventCallback = [weak = WeakClaim(this)]() {
1031         auto tabBarPattern = weak.Upgrade();
1032         CHECK_NULL_VOID(tabBarPattern);
1033         auto host = tabBarPattern->GetHost();
1034         CHECK_NULL_VOID(host);
1035         auto hub = host->GetEventHub<EventHub>();
1036         CHECK_NULL_VOID(hub);
1037         auto gestureHub = hub->GetOrCreateGestureEventHub();
1038         CHECK_NULL_VOID(gestureHub);
1039         auto layoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
1040         CHECK_NULL_VOID(layoutProperty);
1041         if (layoutProperty->GetTabBarModeValue(TabBarMode::FIXED) == TabBarMode::SCROLLABLE) {
1042             gestureHub->RemoveScrollableEvent(tabBarPattern->scrollableEvent_);
1043         }
1044         gestureHub->RemoveTouchEvent(tabBarPattern->touchEvent_);
1045         gestureHub->RemoveDragEvent();
1046         gestureHub->SetLongPressEvent(nullptr);
1047         tabBarPattern->longPressEvent_ = nullptr;
1048         tabBarPattern->dragEvent_ = nullptr;
1049         tabBarPattern->isTouchingSwiper_ = true;
1050         for (const auto& childNode : host->GetChildren()) {
1051             CHECK_NULL_VOID(childNode);
1052             auto frameNode = AceType::DynamicCast<FrameNode>(childNode);
1053             CHECK_NULL_VOID(frameNode);
1054             auto childHub = frameNode->GetEventHub<EventHub>();
1055             CHECK_NULL_VOID(childHub);
1056             auto childGestureHub = childHub->GetOrCreateGestureEventHub();
1057             CHECK_NULL_VOID(childGestureHub);
1058             auto iter = tabBarPattern->clickEvents_.find(frameNode->GetId());
1059             if (iter != tabBarPattern->clickEvents_.end()) {
1060                 childGestureHub->RemoveClickEvent(iter->second);
1061             }
1062         }
1063     };
1064     swiperController_->SetRemoveTabBarEventCallback(std::move(removeEventCallback));
1065 }
1066 
AddTabBarEventCallback()1067 void TabBarPattern::AddTabBarEventCallback()
1068 {
1069     CHECK_NULL_VOID(swiperController_);
1070     auto addEventCallback = [weak = WeakClaim(this)]() {
1071         auto tabBarPattern = weak.Upgrade();
1072         CHECK_NULL_VOID(tabBarPattern);
1073         auto host = tabBarPattern->GetHost();
1074         CHECK_NULL_VOID(host);
1075         auto hub = host->GetEventHub<EventHub>();
1076         CHECK_NULL_VOID(hub);
1077         auto gestureHub = hub->GetOrCreateGestureEventHub();
1078         CHECK_NULL_VOID(gestureHub);
1079         auto layoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
1080         CHECK_NULL_VOID(layoutProperty);
1081         if (layoutProperty->GetTabBarModeValue(TabBarMode::FIXED) == TabBarMode::SCROLLABLE) {
1082             gestureHub->AddScrollableEvent(tabBarPattern->scrollableEvent_);
1083         }
1084         gestureHub->AddTouchEvent(tabBarPattern->touchEvent_);
1085         for (const auto& childNode : host->GetChildren()) {
1086             CHECK_NULL_VOID(childNode);
1087             auto frameNode = AceType::DynamicCast<FrameNode>(childNode);
1088             CHECK_NULL_VOID(frameNode);
1089             auto childHub = frameNode->GetEventHub<EventHub>();
1090             CHECK_NULL_VOID(childHub);
1091             auto childGestureHub = childHub->GetOrCreateGestureEventHub();
1092             CHECK_NULL_VOID(childGestureHub);
1093             auto iter = tabBarPattern->clickEvents_.find(frameNode->GetId());
1094             if (iter != tabBarPattern->clickEvents_.end()) {
1095                 childGestureHub->AddClickEvent(iter->second);
1096             }
1097         }
1098         tabBarPattern->InitLongPressAndDragEvent();
1099     };
1100     swiperController_->SetAddTabBarEventCallback(std::move(addEventCallback));
1101 }
1102 
UpdatePaintIndicator(int32_t indicator,bool needMarkDirty)1103 void TabBarPattern::UpdatePaintIndicator(int32_t indicator, bool needMarkDirty)
1104 {
1105     auto tabBarNode = GetHost();
1106     CHECK_NULL_VOID(tabBarNode);
1107     auto tabBarPattern = tabBarNode->GetPattern<TabBarPattern>();
1108     CHECK_NULL_VOID(tabBarPattern);
1109     auto paintProperty = GetPaintProperty<TabBarPaintProperty>();
1110     if (indicator_ >= static_cast<int32_t>(tabBarStyles_.size())) {
1111         return;
1112     }
1113     auto layoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
1114     CHECK_NULL_VOID(layoutProperty);
1115     if (tabBarPattern->IsContainsBuilder() || layoutProperty->GetAxis() == Axis::VERTICAL ||
1116         tabBarStyles_[indicator] == TabBarStyle::BOTTOMTABBATSTYLE) {
1117         paintProperty->UpdateIndicator({});
1118 
1119         if (needMarkDirty) {
1120             tabBarNode->MarkDirtyNode(PROPERTY_UPDATE_RENDER);
1121         }
1122 
1123         return;
1124     }
1125 
1126     RectF rect = {};
1127     if (visibleItemPosition_.find(indicator) != visibleItemPosition_.end()) {
1128         rect = layoutProperty->GetIndicatorRect(indicator);
1129     }
1130     paintProperty->UpdateIndicator(rect);
1131     if (!isTouchingSwiper_ || tabBarStyles_[indicator] != TabBarStyle::SUBTABBATSTYLE) {
1132         currentIndicatorOffset_ = rect.GetX() + rect.Width() / 2;
1133 
1134         if (needMarkDirty) {
1135             tabBarNode->MarkDirtyNode(PROPERTY_UPDATE_RENDER);
1136         }
1137     }
1138 }
1139 
OnDirtyLayoutWrapperSwap(const RefPtr<LayoutWrapper> & dirty,const DirtySwapConfig & config)1140 bool TabBarPattern::OnDirtyLayoutWrapperSwap(const RefPtr<LayoutWrapper>& dirty, const DirtySwapConfig& config)
1141 {
1142     if (config.skipMeasure && config.skipLayout) {
1143         return false;
1144     }
1145     auto layoutAlgorithmWrapper = DynamicCast<LayoutAlgorithmWrapper>(dirty->GetLayoutAlgorithm());
1146     CHECK_NULL_RETURN(layoutAlgorithmWrapper, false);
1147     auto tabBarLayoutAlgorithm = DynamicCast<TabBarLayoutAlgorithm>(layoutAlgorithmWrapper->GetLayoutAlgorithm());
1148     CHECK_NULL_RETURN(tabBarLayoutAlgorithm, false);
1149     currentDelta_ = 0.0f;
1150     canOverScroll_ = false;
1151     visibleItemPosition_ = tabBarLayoutAlgorithm->GetVisibleItemPosition();
1152     scrollMargin_ = tabBarLayoutAlgorithm->GetScrollMargin();
1153     jumpIndex_ = tabBarLayoutAlgorithm->GetJumpIndex();
1154     auto layoutProperty = DynamicCast<TabBarLayoutProperty>(dirty->GetLayoutProperty());
1155     auto host = GetHost();
1156     CHECK_NULL_RETURN(host, false);
1157     auto swiperPattern = GetSwiperPattern();
1158     CHECK_NULL_RETURN(swiperPattern, false);
1159     int32_t indicator = swiperPattern->GetCurrentIndex();
1160     int32_t totalCount = swiperPattern->TotalCount();
1161     if (indicator > totalCount - 1 || indicator < 0) {
1162         indicator = 0;
1163     }
1164     if (totalCount == 0) {
1165         isTouchingSwiper_ = false;
1166     }
1167     auto pipelineContext = GetHost()->GetContext();
1168     CHECK_NULL_RETURN(pipelineContext, false);
1169     if (swiperPattern->IsUseCustomAnimation()) {
1170         UpdateSubTabBoard(indicator);
1171         UpdatePaintIndicator(indicator, false);
1172     }
1173 
1174     if ((!swiperPattern->IsUseCustomAnimation() || isFirstLayout_) && !isAnimating_ && !IsMaskAnimationExecuted()) {
1175         UpdateSubTabBoard(indicator);
1176         UpdatePaintIndicator(indicator, true);
1177     }
1178     isFirstLayout_ = false;
1179 
1180     if (targetIndex_) {
1181         TriggerTranslateAnimation(indicator_, targetIndex_.value());
1182         targetIndex_.reset();
1183     }
1184     indicator_ = layoutProperty->GetIndicatorValue(0);
1185 
1186     if (windowSizeChangeReason_) {
1187         if (*windowSizeChangeReason_ == WindowSizeChangeReason::ROTATION &&
1188             animationTargetIndex_.value_or(indicator) != indicator) {
1189             swiperController_->SwipeToWithoutAnimation(animationTargetIndex_.value());
1190             animationTargetIndex_.reset();
1191             windowSizeChangeReason_.reset();
1192         } else if (prevRootSize_.first != PipelineContext::GetCurrentRootWidth() ||
1193             prevRootSize_.second != PipelineContext::GetCurrentRootHeight()) {
1194             StopTranslateAnimation();
1195             jumpIndex_ = indicator_;
1196             UpdateSubTabBoard(indicator_);
1197             UpdateIndicator(indicator_);
1198             windowSizeChangeReason_.reset();
1199             host->MarkDirtyNode(PROPERTY_UPDATE_LAYOUT);
1200         }
1201     }
1202     UpdateGradientRegions(!swiperPattern->IsUseCustomAnimation());
1203     if (!swiperPattern->IsUseCustomAnimation() && isTouchingSwiper_ &&
1204         layoutProperty->GetTabBarModeValue(TabBarMode::FIXED) == TabBarMode::SCROLLABLE) {
1205         ApplyTurnPageRateToIndicator(turnPageRate_);
1206     }
1207     return false;
1208 }
1209 
InitLongPressAndDragEvent()1210 void TabBarPattern::InitLongPressAndDragEvent()
1211 {
1212     auto host = GetHost();
1213     CHECK_NULL_VOID(host);
1214     auto hub = host->GetEventHub<EventHub>();
1215     CHECK_NULL_VOID(hub);
1216     auto gestureHub = hub->GetOrCreateGestureEventHub();
1217     CHECK_NULL_VOID(gestureHub);
1218     auto pipelineContext = PipelineContext::GetCurrentContext();
1219     CHECK_NULL_VOID(pipelineContext);
1220     float scale = pipelineContext->GetFontScale();
1221 
1222     bigScale_ = AgingAdapationDialogUtil::GetDialogBigFontSizeScale();
1223     largeScale_ = AgingAdapationDialogUtil::GetDialogLargeFontSizeScale();
1224     maxScale_ = AgingAdapationDialogUtil::GetDialogMaxFontSizeScale();
1225 
1226     if (tabBarStyle_ == TabBarStyle::BOTTOMTABBATSTYLE && scale >= bigScale_) {
1227         InitLongPressEvent(gestureHub);
1228         InitDragEvent(gestureHub);
1229     } else {
1230         gestureHub->RemoveDragEvent();
1231         gestureHub->SetLongPressEvent(nullptr);
1232         longPressEvent_ = nullptr;
1233         dragEvent_ = nullptr;
1234     }
1235 }
1236 
HandleLongPressEvent(const GestureEvent & info)1237 void TabBarPattern::HandleLongPressEvent(const GestureEvent& info)
1238 {
1239     auto index = CalculateSelectedIndex(info.GetLocalLocation());
1240     HandleClick(info.GetSourceDevice(), index);
1241     ShowDialogWithNode(index);
1242 }
1243 
ShowDialogWithNode(int32_t index)1244 void TabBarPattern::ShowDialogWithNode(int32_t index)
1245 {
1246     auto tabBarNode = GetHost();
1247     CHECK_NULL_VOID(tabBarNode);
1248     auto columnNode = AceType::DynamicCast<FrameNode>(tabBarNode->GetChildAtIndex(index));
1249     CHECK_NULL_VOID(columnNode);
1250     RefPtr<FrameNode> imageNode = nullptr;
1251     RefPtr<FrameNode> textNode = nullptr;
1252     FindTextAndImageNode(columnNode, textNode, imageNode);
1253     CHECK_NULL_VOID(imageNode);
1254     CHECK_NULL_VOID(textNode);
1255 
1256     auto textLayoutProperty = textNode->GetLayoutProperty<TextLayoutProperty>();
1257     CHECK_NULL_VOID(textLayoutProperty);
1258     auto textValue = textLayoutProperty->GetContent();
1259     if (imageNode->GetTag() == V2::SYMBOL_ETS_TAG) {
1260         auto symbolProperty = imageNode->GetLayoutProperty<TextLayoutProperty>();
1261         CHECK_NULL_VOID(symbolProperty);
1262         dialogNode_ =
1263             AgingAdapationDialogUtil::ShowLongPressDialog(textValue.value_or(""),
1264                 symbolProperty->GetSymbolSourceInfoValue());
1265     } else {
1266         auto imageProperty = imageNode->GetLayoutProperty<ImageLayoutProperty>();
1267         CHECK_NULL_VOID(imageProperty);
1268         ImageSourceInfo imageSourceInfo = imageProperty->GetImageSourceInfoValue();
1269         dialogNode_ = AgingAdapationDialogUtil::ShowLongPressDialog(textValue.value_or(""), imageSourceInfo);
1270     }
1271 }
1272 
CloseDialog()1273 void TabBarPattern::CloseDialog()
1274 {
1275     auto pipelineContext = PipelineContext::GetCurrentContext();
1276     CHECK_NULL_VOID(pipelineContext);
1277     auto context = AceType::DynamicCast<NG::PipelineContext>(pipelineContext);
1278     CHECK_NULL_VOID(context);
1279     auto overlayManager = context->GetOverlayManager();
1280     CHECK_NULL_VOID(overlayManager);
1281     overlayManager->CloseDialog(dialogNode_);
1282     dialogNode_.Reset();
1283 }
1284 
HandleClick(SourceType type,int32_t index)1285 void TabBarPattern::HandleClick(SourceType type, int32_t index)
1286 {
1287     if (type == SourceType::KEYBOARD) {
1288         return;
1289     }
1290     auto host = GetHost();
1291     CHECK_NULL_VOID(host);
1292     auto layoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
1293     CHECK_NULL_VOID(layoutProperty);
1294     if (layoutProperty->GetTabBarModeValue(TabBarMode::FIXED) == TabBarMode::SCROLLABLE && scrollableEvent_) {
1295         auto scrollable = scrollableEvent_->GetScrollable();
1296         if (scrollable) {
1297             if (IsOutOfBoundary()) {
1298                 return;
1299             }
1300             scrollable->StopScrollable();
1301         }
1302     }
1303 
1304     auto totalCount = host->TotalChildCount() - MASK_COUNT;
1305     if (totalCount < 0) {
1306         return;
1307     }
1308 
1309     TAG_LOGI(AceLogTag::ACE_TABS, "Clicked tabBarIndex: %{public}d", index);
1310     if (index < 0 || index >= totalCount || !swiperController_ ||
1311         indicator_ >= static_cast<int32_t>(tabBarStyles_.size())) {
1312         return;
1313     }
1314     SetSwiperCurve(DurationCubicCurve);
1315 
1316     TabBarClickEvent(index);
1317     if (!ContentWillChange(layoutProperty->GetIndicatorValue(0), index)) {
1318         return;
1319     }
1320     if (tabBarStyles_[indicator_] == TabBarStyle::SUBTABBATSTYLE &&
1321         tabBarStyles_[index] == TabBarStyle::SUBTABBATSTYLE &&
1322         layoutProperty->GetAxisValue(Axis::HORIZONTAL) == Axis::HORIZONTAL) {
1323         HandleSubTabBarClick(layoutProperty, index);
1324         return;
1325     }
1326     ClickTo(host, index);
1327     layoutProperty->UpdateIndicator(index);
1328 }
1329 
ClickTo(const RefPtr<FrameNode> & host,int32_t index)1330 void TabBarPattern::ClickTo(const RefPtr<FrameNode>& host, int32_t index)
1331 {
1332     auto tabsNode = AceType::DynamicCast<TabsNode>(host->GetParent());
1333     CHECK_NULL_VOID(tabsNode);
1334     auto tabsPattern = tabsNode->GetPattern<TabsPattern>();
1335     CHECK_NULL_VOID(tabsPattern);
1336     auto layoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
1337     CHECK_NULL_VOID(layoutProperty);
1338     int32_t indicator = layoutProperty->GetIndicatorValue(0);
1339     if (!tabsPattern->GetIsCustomAnimation() && indicator == index) {
1340         return;
1341     }
1342     swiperController_->FinishAnimation();
1343     UpdateAnimationDuration();
1344     auto duration = GetAnimationDuration().value_or(0);
1345     if (tabsPattern->GetIsCustomAnimation()) {
1346         OnCustomContentTransition(indicator, index);
1347     } else {
1348         if (duration > 0 && tabsPattern->GetAnimateMode() != TabAnimateMode::NO_ANIMATION) {
1349             PerfMonitor::GetPerfMonitor()->Start(PerfConstants::APP_TAB_SWITCH, PerfActionType::LAST_UP, "");
1350             tabContentWillChangeFlag_ = true;
1351             swiperController_->SwipeTo(index);
1352             animationTargetIndex_ = index;
1353         } else {
1354             swiperController_->SwipeToWithoutAnimation(index);
1355         }
1356     }
1357 
1358     changeByClick_ = true;
1359     clickRepeat_ = true;
1360     if (duration > 0 && CanScroll()) {
1361         targetIndex_ = index;
1362     } else {
1363         jumpIndex_ = index;
1364     }
1365     host->MarkDirtyNode(PROPERTY_UPDATE_LAYOUT);
1366 }
1367 
HandleBottomTabBarChange(int32_t index)1368 void TabBarPattern::HandleBottomTabBarChange(int32_t index)
1369 {
1370     AnimationUtils::StopAnimation(maskAnimation_);
1371     auto preIndex = GetImageColorOnIndex().value_or(indicator_);
1372     if (preIndex == index) {
1373         return;
1374     }
1375     UpdateImageColor(index);
1376     UpdateSymbolStats(index, preIndex);
1377     if (preIndex < 0 || preIndex >= static_cast<int32_t>(tabBarStyles_.size()) ||
1378         index < 0 || index >= static_cast<int32_t>(tabBarStyles_.size())) {
1379         return;
1380     }
1381     if (preIndex != index && (tabBarStyles_[preIndex] == TabBarStyle::BOTTOMTABBATSTYLE ||
1382                                    tabBarStyles_[index] == TabBarStyle::BOTTOMTABBATSTYLE)) {
1383         auto host = GetHost();
1384         CHECK_NULL_VOID(host);
1385         auto childCount = host->TotalChildCount() - MASK_COUNT;
1386         int32_t selectedIndex = -1;
1387         int32_t unselectedIndex = -1;
1388         if (preIndex < childCount && tabBarStyles_[preIndex] == TabBarStyle::BOTTOMTABBATSTYLE && CheckSvg(preIndex)) {
1389             unselectedIndex = preIndex;
1390         }
1391         if (index < childCount && tabBarStyles_[index] == TabBarStyle::BOTTOMTABBATSTYLE && CheckSvg(index)) {
1392             selectedIndex = index;
1393         }
1394         HandleBottomTabBarClick(selectedIndex, unselectedIndex);
1395     }
1396 }
1397 
CheckSvg(int32_t index) const1398 bool TabBarPattern::CheckSvg(int32_t index) const
1399 {
1400     auto host = GetHost();
1401     CHECK_NULL_RETURN(host, false);
1402     auto columnNode = AceType::DynamicCast<FrameNode>(host->GetChildAtIndex(index));
1403     CHECK_NULL_RETURN(columnNode, false);
1404     auto imageNode = AceType::DynamicCast<FrameNode>(columnNode->GetChildren().front());
1405     CHECK_NULL_RETURN(imageNode, false);
1406     auto imageLayoutProperty = imageNode->GetLayoutProperty<ImageLayoutProperty>();
1407     CHECK_NULL_RETURN(imageLayoutProperty, false);
1408     ImageSourceInfo info;
1409     auto imageSourceInfo = imageLayoutProperty->GetImageSourceInfo().value_or(info);
1410     return imageSourceInfo.IsSvg();
1411 }
1412 
HandleBottomTabBarClick(int32_t selectedIndex,int32_t unselectedIndex)1413 void TabBarPattern::HandleBottomTabBarClick(int32_t selectedIndex, int32_t unselectedIndex)
1414 {
1415     auto host = GetHost();
1416     CHECK_NULL_VOID(host);
1417     auto layoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
1418     CHECK_NULL_VOID(layoutProperty);
1419 
1420     std::vector<int32_t> selectedIndexes = {selectedIndex, unselectedIndex};
1421     OffsetF originalSelectedMaskOffset, originalUnselectedMaskOffset;
1422     float selectedImageSize = 0.0f, unselectedImageSize = 0.0f;
1423     for (int32_t maskIndex = 0; maskIndex < MASK_COUNT; maskIndex++) {
1424         if (maskIndex == 0) {
1425             layoutProperty->UpdateSelectedMask(selectedIndex);
1426         } else {
1427             layoutProperty->UpdateUnselectedMask(unselectedIndex);
1428         }
1429         if (selectedIndexes[maskIndex] < 0) {
1430             continue;
1431         }
1432         GetBottomTabBarImageSizeAndOffset(selectedIndexes, maskIndex, selectedImageSize, unselectedImageSize,
1433             originalSelectedMaskOffset, originalUnselectedMaskOffset);
1434     }
1435     ChangeMask(selectedIndex, selectedImageSize, originalSelectedMaskOffset, NO_OPACITY, HALF_MASK_RADIUS_RATIO, true);
1436     ChangeMask(unselectedIndex, unselectedImageSize, originalUnselectedMaskOffset, FULL_OPACITY,
1437         FULL_MASK_RADIUS_RATIO, false);
1438 
1439     host->MarkDirtyNode(PROPERTY_UPDATE_LAYOUT);
1440     PlayMaskAnimation(selectedImageSize, originalSelectedMaskOffset, selectedIndex, unselectedImageSize,
1441         originalUnselectedMaskOffset, unselectedIndex);
1442 }
1443 
GetBottomTabBarImageSizeAndOffset(const std::vector<int32_t> & selectedIndexes,int32_t maskIndex,float & selectedImageSize,float & unselectedImageSize,OffsetF & originalSelectedMaskOffset,OffsetF & originalUnselectedMaskOffset)1444 void TabBarPattern::GetBottomTabBarImageSizeAndOffset(const std::vector<int32_t>& selectedIndexes, int32_t maskIndex,
1445     float& selectedImageSize, float& unselectedImageSize, OffsetF& originalSelectedMaskOffset,
1446     OffsetF& originalUnselectedMaskOffset)
1447 {
1448     auto pipelineContext = PipelineContext::GetCurrentContext();
1449     CHECK_NULL_VOID(pipelineContext);
1450     auto tabTheme = pipelineContext->GetTheme<TabTheme>();
1451     CHECK_NULL_VOID(tabTheme);
1452 
1453     auto host = GetHost();
1454     CHECK_NULL_VOID(host);
1455 
1456     auto columnNode = AceType::DynamicCast<FrameNode>(host->GetChildAtIndex(selectedIndexes[maskIndex]));
1457     CHECK_NULL_VOID(columnNode);
1458     auto imageNode = AceType::DynamicCast<FrameNode>(columnNode->GetChildren().front());
1459     CHECK_NULL_VOID(imageNode);
1460     auto imageGeometryNode = imageNode->GetGeometryNode();
1461     CHECK_NULL_VOID(imageGeometryNode);
1462     auto imageOffset = imageGeometryNode->GetFrameOffset();
1463     auto imageSize = imageGeometryNode->GetFrameSize().Width();
1464     if (maskIndex == 0) {
1465         selectedImageSize = imageSize;
1466     } else {
1467         unselectedImageSize = imageSize;
1468     }
1469     auto imageLayoutProperty = imageNode->GetLayoutProperty<ImageLayoutProperty>();
1470     CHECK_NULL_VOID(imageLayoutProperty);
1471     ImageSourceInfo info;
1472     auto imageSourceInfo = imageLayoutProperty->GetImageSourceInfo().value_or(info);
1473 
1474     auto maskPosition = host->GetChildren().size() - MASK_COUNT;
1475     if (maskPosition < 0) {
1476         return;
1477     }
1478     auto selectedMaskNode = AceType::DynamicCast<FrameNode>(host->GetChildAtIndex(maskPosition + maskIndex));
1479     CHECK_NULL_VOID(selectedMaskNode);
1480     selectedMaskNode->GetLayoutProperty()->UpdateLayoutDirection(TextDirection::LTR);
1481     if (maskIndex == 0) {
1482         originalSelectedMaskOffset = imageOffset;
1483     } else {
1484         originalUnselectedMaskOffset = imageOffset;
1485     }
1486     auto selectedImageNode = AceType::DynamicCast<FrameNode>(selectedMaskNode->GetChildren().front());
1487     CHECK_NULL_VOID(selectedImageNode);
1488 
1489     auto selectedImageLayoutProperty = selectedImageNode->GetLayoutProperty<ImageLayoutProperty>();
1490     CHECK_NULL_VOID(selectedImageLayoutProperty);
1491     UpdateBottomTabBarImageColor(selectedIndexes, maskIndex);
1492     selectedImageLayoutProperty->UpdateImageSourceInfo(imageSourceInfo);
1493     imageLayoutProperty->UpdateImageSourceInfo(imageSourceInfo);
1494 
1495     selectedImageNode->MarkModifyDone();
1496     selectedImageNode->MarkDirtyNode();
1497     imageNode->MarkModifyDone();
1498     imageNode->MarkDirtyNode();
1499 }
1500 
UpdateBottomTabBarImageColor(const std::vector<int32_t> & selectedIndexes,int32_t maskIndex)1501 void TabBarPattern::UpdateBottomTabBarImageColor(const std::vector<int32_t>& selectedIndexes, int32_t maskIndex)
1502 {
1503     auto pipelineContext = PipelineContext::GetCurrentContext();
1504     CHECK_NULL_VOID(pipelineContext);
1505     auto tabTheme = pipelineContext->GetTheme<TabTheme>();
1506     CHECK_NULL_VOID(tabTheme);
1507 
1508     auto host = GetHost();
1509     CHECK_NULL_VOID(host);
1510 
1511     auto columnNode = AceType::DynamicCast<FrameNode>(host->GetChildAtIndex(selectedIndexes[maskIndex]));
1512     CHECK_NULL_VOID(columnNode);
1513     auto imageNode = AceType::DynamicCast<FrameNode>(columnNode->GetChildren().front());
1514     CHECK_NULL_VOID(imageNode);
1515 
1516     auto maskPosition = host->GetChildren().size() - MASK_COUNT;
1517     if (maskPosition < 0) {
1518         return;
1519     }
1520     auto selectedMaskNode = AceType::DynamicCast<FrameNode>(host->GetChildAtIndex(maskPosition + maskIndex));
1521     CHECK_NULL_VOID(selectedMaskNode);
1522     auto selectedImageNode = AceType::DynamicCast<FrameNode>(selectedMaskNode->GetChildren().front());
1523     CHECK_NULL_VOID(selectedImageNode);
1524 
1525     auto selectedImagePaintProperty = selectedImageNode->GetPaintProperty<ImageRenderProperty>();
1526     CHECK_NULL_VOID(selectedImagePaintProperty);
1527     auto unselectedImagePaintProperty = imageNode->GetPaintProperty<ImageRenderProperty>();
1528     CHECK_NULL_VOID(unselectedImagePaintProperty);
1529     if (selectedIndexes[maskIndex] >= 0 && selectedIndexes[maskIndex] < static_cast<int32_t>(iconStyles_.size())) {
1530         if (iconStyles_[selectedIndexes[maskIndex]].selectedColor.has_value()) {
1531             selectedImagePaintProperty->UpdateSvgFillColor(
1532                 iconStyles_[selectedIndexes[maskIndex]].selectedColor.value());
1533         } else {
1534             selectedImagePaintProperty->UpdateSvgFillColor(tabTheme->GetBottomTabIconOn());
1535         }
1536 
1537         if (iconStyles_[selectedIndexes[maskIndex]].unselectedColor.has_value()) {
1538             unselectedImagePaintProperty->UpdateSvgFillColor(
1539                 iconStyles_[selectedIndexes[maskIndex]].unselectedColor.value());
1540         } else {
1541             unselectedImagePaintProperty->UpdateSvgFillColor(tabTheme->GetBottomTabIconOff());
1542         }
1543     }
1544 }
1545 
PlayMaskAnimation(float selectedImageSize,const OffsetF & originalSelectedMaskOffset,int32_t selectedIndex,float unselectedImageSize,const OffsetF & originalUnselectedMaskOffset,int32_t unselectedIndex)1546 void TabBarPattern::PlayMaskAnimation(float selectedImageSize,
1547     const OffsetF& originalSelectedMaskOffset, int32_t selectedIndex, float unselectedImageSize,
1548     const OffsetF& originalUnselectedMaskOffset, int32_t unselectedIndex)
1549 {
1550     auto curve = AceType::MakeRefPtr<CubicCurve>(0.4f, 0.0f, 0.2f, 1.0f);
1551     AnimationOption option;
1552     option.SetDuration(MASK_ANIMATION_DURATION);
1553     option.SetCurve(curve);
1554 
1555     maskAnimation_ = AnimationUtils::StartAnimation(
1556         option,
1557         [weak = AceType::WeakClaim(this), selectedIndex, unselectedIndex, selectedImageSize, originalSelectedMaskOffset,
1558             unselectedImageSize, originalUnselectedMaskOffset]() {
1559             AnimationUtils::AddKeyFrame(
1560                 HALF_PROGRESS, [weak, selectedIndex, unselectedIndex, selectedImageSize, originalSelectedMaskOffset,
1561                                    unselectedImageSize, originalUnselectedMaskOffset]() {
1562                     auto tabBar = weak.Upgrade();
1563                     if (tabBar) {
1564                         tabBar->ChangeMask(selectedIndex, selectedImageSize, originalSelectedMaskOffset, FULL_OPACITY,
1565                             INVALID_RATIO, true);
1566                         tabBar->ChangeMask(unselectedIndex, unselectedImageSize, originalUnselectedMaskOffset,
1567                             NEAR_FULL_OPACITY, INVALID_RATIO, false);
1568                     }
1569                 });
1570             AnimationUtils::AddKeyFrame(
1571                 FULL_PROGRESS, [weak, selectedIndex, unselectedIndex, selectedImageSize, originalSelectedMaskOffset,
1572                                    unselectedImageSize, originalUnselectedMaskOffset]() {
1573                     auto tabBar = weak.Upgrade();
1574                     if (tabBar) {
1575                         tabBar->ChangeMask(selectedIndex, selectedImageSize, originalSelectedMaskOffset, FULL_OPACITY,
1576                             FULL_MASK_RADIUS_RATIO, true);
1577                         tabBar->ChangeMask(unselectedIndex, unselectedImageSize, originalUnselectedMaskOffset,
1578                             NO_OPACITY, HALF_MASK_RADIUS_RATIO, false);
1579                     }
1580                 });
1581         },
1582         [weak = AceType::WeakClaim(this), selectedIndex, unselectedIndex]() {
1583             auto tabBar = weak.Upgrade();
1584             if (tabBar) {
1585                 auto host = tabBar->GetHost();
1586                 CHECK_NULL_VOID(host);
1587                 MaskAnimationFinish(host, selectedIndex, true);
1588                 MaskAnimationFinish(host, unselectedIndex, false);
1589             }
1590         });
1591 }
1592 
MaskAnimationFinish(const RefPtr<FrameNode> & host,int32_t selectedIndex,bool isSelected)1593 void TabBarPattern::MaskAnimationFinish(const RefPtr<FrameNode>& host, int32_t selectedIndex,
1594     bool isSelected)
1595 {
1596     if (selectedIndex < 0) {
1597         return;
1598     }
1599     auto tabBarLayoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
1600     CHECK_NULL_VOID(tabBarLayoutProperty);
1601     if (isSelected) {
1602         tabBarLayoutProperty->UpdateSelectedMask(-1);
1603     } else {
1604         tabBarLayoutProperty->UpdateUnselectedMask(-1);
1605     }
1606 
1607     auto columnNode = AceType::DynamicCast<FrameNode>(host->GetChildAtIndex(selectedIndex));
1608     CHECK_NULL_VOID(columnNode);
1609     auto imageNode = AceType::DynamicCast<FrameNode>(columnNode->GetChildren().front());
1610     CHECK_NULL_VOID(imageNode);
1611 
1612     auto imageLayoutProperty = imageNode->GetLayoutProperty<ImageLayoutProperty>();
1613     CHECK_NULL_VOID(imageLayoutProperty);
1614     auto imagePaintProperty = imageNode->GetPaintProperty<ImageRenderProperty>();
1615     CHECK_NULL_VOID(imagePaintProperty);
1616     ImageSourceInfo info;
1617     auto imageSourceInfo = imageLayoutProperty->GetImageSourceInfo().value_or(info);
1618 
1619     auto pipelineContext = PipelineContext::GetCurrentContext();
1620     CHECK_NULL_VOID(pipelineContext);
1621     auto tabTheme = pipelineContext->GetTheme<TabTheme>();
1622     CHECK_NULL_VOID(tabTheme);
1623     auto tabBarPattern = host->GetPattern<TabBarPattern>();
1624     CHECK_NULL_VOID(tabBarPattern);
1625     auto iconStyles = tabBarPattern->GetIconStyle();
1626     if (selectedIndex >= 0 && selectedIndex < static_cast<int32_t>(iconStyles.size())) {
1627         if (isSelected) {
1628             if (iconStyles[selectedIndex].selectedColor.has_value()) {
1629                 imagePaintProperty->UpdateSvgFillColor(iconStyles[selectedIndex].selectedColor.value());
1630             } else {
1631                 imagePaintProperty->UpdateSvgFillColor(tabTheme->GetBottomTabIconOn());
1632             }
1633         } else {
1634             if (iconStyles[selectedIndex].unselectedColor.has_value()) {
1635                 imagePaintProperty->UpdateSvgFillColor(iconStyles[selectedIndex].unselectedColor.value());
1636             } else {
1637                 imagePaintProperty->UpdateSvgFillColor(tabTheme->GetBottomTabIconOff());
1638             }
1639         }
1640     }
1641     imageLayoutProperty->UpdateImageSourceInfo(imageSourceInfo);
1642 
1643     host->MarkDirtyNode();
1644     imageNode->MarkModifyDone();
1645     imageNode->MarkDirtyNode();
1646 }
1647 
ChangeMask(int32_t index,float imageSize,const OffsetF & originalMaskOffset,float opacity,float radiusRatio,bool isSelected)1648 void TabBarPattern::ChangeMask(int32_t index, float imageSize, const OffsetF& originalMaskOffset, float opacity,
1649     float radiusRatio, bool isSelected)
1650 {
1651     auto host = GetHost();
1652     CHECK_NULL_VOID(host);
1653     auto maskPosition = host->GetChildren().size() - MASK_COUNT;
1654     if (index < 0 || NearZero(imageSize) || maskPosition < 0) {
1655         return;
1656     }
1657 
1658     auto maskNode = AceType::DynamicCast<FrameNode>(host->GetChildAtIndex(maskPosition + !isSelected));
1659     CHECK_NULL_VOID(maskNode);
1660     auto maskImageNode = AceType::DynamicCast<FrameNode>(maskNode->GetChildren().front());
1661     CHECK_NULL_VOID(maskImageNode);
1662     auto maskImageRenderContext = maskImageNode->GetRenderContext();
1663     CHECK_NULL_VOID(maskImageRenderContext);
1664 
1665     if (NonNegative(radiusRatio)) {
1666         auto maskRenderContext = maskNode->GetRenderContext();
1667         CHECK_NULL_VOID(maskRenderContext);
1668         auto maskGeometryNode = maskNode->GetGeometryNode();
1669         CHECK_NULL_VOID(maskGeometryNode);
1670         auto tabBarNode = AceType::DynamicCast<FrameNode>(host->GetChildAtIndex(index));
1671         CHECK_NULL_VOID(tabBarNode);
1672         auto tabBarGeometryNode = tabBarNode->GetGeometryNode();
1673         CHECK_NULL_VOID(tabBarGeometryNode);
1674 
1675         OffsetF maskOffset = originalMaskOffset;
1676         maskOffset.AddX(-imageSize * radiusRatio);
1677         maskOffset.AddY(imageSize * (1.0f - radiusRatio));
1678         auto tabBarOffset = tabBarGeometryNode->GetMarginFrameOffset();
1679         maskGeometryNode->SetMarginFrameOffset(maskOffset + tabBarOffset);
1680         maskGeometryNode->SetFrameSize(SizeF(imageSize * radiusRatio * 2.0f, imageSize * radiusRatio * 2.0f));
1681         maskRenderContext->SavePaintRect();
1682         maskRenderContext->SyncGeometryProperties(nullptr);
1683         BorderRadiusProperty borderRadiusProperty;
1684         borderRadiusProperty.SetRadius(Dimension(imageSize * radiusRatio));
1685         maskRenderContext->UpdateBorderRadius(borderRadiusProperty);
1686         maskImageRenderContext->UpdateOffset(OffsetT<Dimension>(Dimension(imageSize * radiusRatio),
1687             Dimension(imageSize * (radiusRatio - 1.0f))));
1688         auto maskImageGeometryNode = maskImageNode->GetGeometryNode();
1689         CHECK_NULL_VOID(maskImageGeometryNode);
1690         maskImageGeometryNode->SetFrameSize(SizeF(imageSize, imageSize));
1691         auto maskImageProperty = maskImageNode->GetLayoutProperty<ImageLayoutProperty>();
1692         CHECK_NULL_VOID(maskImageProperty);
1693         maskImageProperty->UpdateUserDefinedIdealSize(
1694             CalcSize(NG::CalcLength(Dimension(imageSize)), NG::CalcLength(Dimension(imageSize))));
1695         maskImageRenderContext->SetVisible(false);
1696         maskImageRenderContext->SavePaintRect();
1697         maskImageRenderContext->SyncGeometryProperties(nullptr);
1698     }
1699     maskImageRenderContext->UpdateOpacity(opacity);
1700 }
1701 
HandleSubTabBarClick(const RefPtr<TabBarLayoutProperty> & layoutProperty,int32_t index)1702 void TabBarPattern::HandleSubTabBarClick(const RefPtr<TabBarLayoutProperty>& layoutProperty, int32_t index)
1703 {
1704     auto host = GetHost();
1705     CHECK_NULL_VOID(host);
1706     auto tabsFrameNode = AceType::DynamicCast<TabsNode>(host->GetParent());
1707     CHECK_NULL_VOID(tabsFrameNode);
1708     auto tabsPattern = tabsFrameNode->GetPattern<TabsPattern>();
1709     CHECK_NULL_VOID(tabsPattern);
1710     int32_t indicator = layoutProperty->GetIndicatorValue(0);
1711     if (!tabsPattern->GetIsCustomAnimation() && indicator == index) {
1712         return;
1713     }
1714     swiperController_->FinishAnimation();
1715     changeByClick_ = true;
1716     clickRepeat_ = true;
1717     UpdateAnimationDuration();
1718     auto duration = GetAnimationDuration().value_or(0);
1719     if (tabsPattern->GetIsCustomAnimation()) {
1720         OnCustomContentTransition(indicator, index);
1721     } else {
1722         if (duration> 0 && tabsPattern->GetAnimateMode() != TabAnimateMode::NO_ANIMATION) {
1723             PerfMonitor::GetPerfMonitor()->Start(PerfConstants::APP_TAB_SWITCH, PerfActionType::LAST_UP, "");
1724             tabContentWillChangeFlag_ = true;
1725             swiperController_->SwipeTo(index);
1726         } else {
1727             swiperController_->SwipeToWithoutAnimation(index);
1728         }
1729     }
1730     if (duration > 0 && CanScroll()) {
1731         targetIndex_ = index;
1732     } else if (duration <= 0) {
1733         jumpIndex_ = index;
1734     } else {
1735         TriggerTranslateAnimation(indicator, index);
1736     }
1737     swiperStartIndex_ = indicator;
1738     animationTargetIndex_ = index;
1739     UpdateTextColorAndFontWeight(index);
1740     UpdateSubTabBoard(index);
1741     layoutProperty->UpdateIndicator(index);
1742     host->MarkDirtyNode(PROPERTY_UPDATE_LAYOUT);
1743 }
1744 
HandleTouchEvent(const TouchLocationInfo & info)1745 void TabBarPattern::HandleTouchEvent(const TouchLocationInfo& info)
1746 {
1747     auto host = GetHost();
1748     CHECK_NULL_VOID(host);
1749     auto touchType = info.GetTouchType();
1750     auto index = CalculateSelectedIndex(info.GetLocalLocation());
1751     if ((touchType == TouchType::UP || touchType == TouchType::CANCEL) && dialogNode_) {
1752         HandleClick(info.GetSourceDevice(), index);
1753         CloseDialog();
1754     }
1755 
1756     if (IsContainsBuilder()) {
1757         return;
1758     }
1759 
1760     auto totalCount = host->TotalChildCount() - MASK_COUNT;
1761     if (totalCount < 0) {
1762         return;
1763     }
1764 
1765     if (touchType == TouchType::DOWN && index >= 0 && index < totalCount) {
1766         HandleTouchDown(index);
1767         touchingIndex_ = index;
1768         return;
1769     }
1770 
1771     if ((touchType == TouchType::UP || touchType == TouchType::CANCEL) && touchingIndex_.has_value()) {
1772         HandleTouchUp(index);
1773         touchingIndex_.reset();
1774     }
1775 }
1776 
CalculateSelectedIndex(const Offset & info)1777 int32_t TabBarPattern::CalculateSelectedIndex(const Offset& info)
1778 {
1779     if (visibleItemPosition_.empty()) {
1780         return -1;
1781     }
1782     auto host = GetHost();
1783     CHECK_NULL_RETURN(host, -1);
1784     auto geometryNode = host->GetGeometryNode();
1785     CHECK_NULL_RETURN(geometryNode, -1);
1786     auto layoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
1787     CHECK_NULL_RETURN(layoutProperty, -1);
1788     auto axis = layoutProperty->GetAxis().value_or(Axis::HORIZONTAL);
1789     auto mainSize = geometryNode->GetFrameSize().MainSize(axis);
1790     auto local = isRTL_ && axis == Axis::HORIZONTAL ? OffsetF(mainSize - info.GetX(), info.GetY())
1791                                                     : OffsetF(info.GetX(), info.GetY());
1792     auto leftPadding = GetLeftPadding();
1793     for (auto& iter : visibleItemPosition_) {
1794         if (GreatOrEqual(local.GetMainOffset(axis), iter.second.startPos + leftPadding) &&
1795             LessOrEqual(local.GetMainOffset(axis), iter.second.endPos + leftPadding)) {
1796             return iter.first;
1797         }
1798     }
1799     return -1;
1800 }
1801 
HandleTouchDown(int32_t index)1802 void TabBarPattern::HandleTouchDown(int32_t index)
1803 {
1804     const auto& removeSwiperEventCallback = swiperController_->GetRemoveSwiperEventCallback();
1805     if (removeSwiperEventCallback) {
1806         removeSwiperEventCallback();
1807     }
1808     SetTouching(true);
1809     auto pipelineContext = PipelineContext::GetCurrentContext();
1810     CHECK_NULL_VOID(pipelineContext);
1811     auto tabTheme = pipelineContext->GetTheme<TabTheme>();
1812     CHECK_NULL_VOID(tabTheme);
1813     PlayPressAnimation(index, tabTheme->GetSubTabBarPressedColor(), AnimationType::PRESS);
1814 }
1815 
HandleTouchUp(int32_t index)1816 void TabBarPattern::HandleTouchUp(int32_t index)
1817 {
1818     const auto& addSwiperEventCallback = swiperController_->GetAddSwiperEventCallback();
1819     if (addSwiperEventCallback) {
1820         addSwiperEventCallback();
1821     }
1822     auto pipelineContext = PipelineContext::GetCurrentContext();
1823     CHECK_NULL_VOID(pipelineContext);
1824     auto tabTheme = pipelineContext->GetTheme<TabTheme>();
1825     CHECK_NULL_VOID(tabTheme);
1826     if (IsTouching()) {
1827         SetTouching(false);
1828         if (hoverIndex_.has_value() && touchingIndex_.value_or(-1) == index) {
1829             PlayPressAnimation(index, tabTheme->GetSubTabBarHoverColor(), AnimationType::HOVERTOPRESS);
1830             return;
1831         }
1832         PlayPressAnimation(touchingIndex_.value_or(-1), Color::TRANSPARENT, AnimationType::PRESS);
1833         if (hoverIndex_.has_value()) {
1834             PlayPressAnimation(hoverIndex_.value(), tabTheme->GetSubTabBarHoverColor(), AnimationType::HOVER);
1835         }
1836     }
1837 }
1838 
PlayPressAnimation(int32_t index,const Color & pressColor,AnimationType animationType)1839 void TabBarPattern::PlayPressAnimation(int32_t index, const Color& pressColor, AnimationType animationType)
1840 {
1841     if (Container::GreatOrEqualAPIVersion(PlatformVersion::VERSION_TWELVE) &&
1842         tabBarStyle_ == TabBarStyle::BOTTOMTABBATSTYLE) {
1843         return;
1844     }
1845     auto pipelineContext = PipelineContext::GetCurrentContext();
1846     CHECK_NULL_VOID(pipelineContext);
1847     auto tabTheme = pipelineContext->GetTheme<TabTheme>();
1848     CHECK_NULL_VOID(tabTheme);
1849     AnimationOption option = AnimationOption();
1850     option.SetDuration(animationType == AnimationType::HOVERTOPRESS
1851                            ? static_cast<int32_t>(tabTheme->GetSubTabBarHoverToPressDuration())
1852                            : static_cast<int32_t>(tabTheme->GetSubTabBarHoverDuration()));
1853     option.SetDelay(0);
1854     option.SetCurve(animationType == AnimationType::PRESS   ? DurationCubicCurve
1855                     : animationType == AnimationType::HOVER ? Curves::FRICTION
1856                                                             : Curves::SHARP);
1857     option.SetFillMode(FillMode::FORWARDS);
1858     Color color = pressColor;
1859     auto layoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
1860     CHECK_NULL_VOID(layoutProperty);
1861     auto totalCount = GetHost()->TotalChildCount() - MASK_COUNT;
1862     if (index < 0 || index >= totalCount || index >= static_cast<int32_t>(tabBarStyles_.size())) {
1863         return;
1864     }
1865     if (color == Color::TRANSPARENT && tabBarStyles_[index] == TabBarStyle::SUBTABBATSTYLE && index == indicator_ &&
1866         selectedModes_[index] == SelectedMode::BOARD &&
1867         layoutProperty->GetAxis().value_or(Axis::HORIZONTAL) == Axis::HORIZONTAL) {
1868         color = indicatorStyles_[index].color;
1869     }
1870     AnimationUtils::Animate(option, [weak = AceType::WeakClaim(this), selectedIndex = index, color = color]() {
1871         auto tabBar = weak.Upgrade();
1872         if (tabBar) {
1873             auto host = tabBar->GetHost();
1874             CHECK_NULL_VOID(host);
1875             auto columnNode = AceType::DynamicCast<FrameNode>(host->GetChildAtIndex(selectedIndex));
1876             CHECK_NULL_VOID(columnNode);
1877             auto renderContext = columnNode->GetRenderContext();
1878             CHECK_NULL_VOID(renderContext);
1879             if (tabBar->tabBarStyles_[selectedIndex] != TabBarStyle::SUBTABBATSTYLE) {
1880                 BorderRadiusProperty borderRadiusProperty;
1881                 auto pipelineContext = PipelineContext::GetCurrentContext();
1882                 CHECK_NULL_VOID(pipelineContext);
1883                 auto tabTheme = pipelineContext->GetTheme<TabTheme>();
1884                 CHECK_NULL_VOID(tabTheme);
1885                 borderRadiusProperty.SetRadius(tabTheme->GetFocusIndicatorRadius());
1886                 renderContext->UpdateBorderRadius(borderRadiusProperty);
1887             }
1888             renderContext->UpdateBackgroundColor(color);
1889             columnNode->MarkDirtyNode(PROPERTY_UPDATE_RENDER);
1890         }
1891     }, [weak = AceType::WeakClaim(this), selectedIndex = index]() {
1892         auto tabBar = weak.Upgrade();
1893         if (tabBar) {
1894             if (tabBar->tabBarStyles_[selectedIndex] != TabBarStyle::SUBTABBATSTYLE) {
1895                 auto host = tabBar->GetHost();
1896                 CHECK_NULL_VOID(host);
1897                 auto columnNode = AceType::DynamicCast<FrameNode>(host->GetChildAtIndex(selectedIndex));
1898                 CHECK_NULL_VOID(columnNode);
1899                 auto renderContext = columnNode->GetRenderContext();
1900                 CHECK_NULL_VOID(renderContext);
1901                 renderContext->ResetBorderRadius();
1902                 columnNode->MarkDirtyNode(PROPERTY_UPDATE_RENDER);
1903             }
1904         }
1905     });
1906 }
1907 
OnTabBarIndexChange(int32_t index)1908 void TabBarPattern::OnTabBarIndexChange(int32_t index)
1909 {
1910     auto pipeline = PipelineContext::GetCurrentContext();
1911     CHECK_NULL_VOID(pipeline);
1912     pipeline->AddAfterRenderTask([weak = WeakClaim(this), index]() {
1913         auto tabBarPattern = weak.Upgrade();
1914         CHECK_NULL_VOID(tabBarPattern);
1915         auto tabBarNode = tabBarPattern->GetHost();
1916         CHECK_NULL_VOID(tabBarNode);
1917         auto tabBarLayoutProperty = tabBarPattern->GetLayoutProperty<TabBarLayoutProperty>();
1918         CHECK_NULL_VOID(tabBarLayoutProperty);
1919         if (!tabBarPattern->IsMaskAnimationByCreate()) {
1920             tabBarPattern->HandleBottomTabBarChange(index);
1921         }
1922         tabBarPattern->SetMaskAnimationByCreate(false);
1923         tabBarPattern->SetIndicator(index);
1924         tabBarPattern->UpdateSubTabBoard(index);
1925         tabBarPattern->UpdatePaintIndicator(index, true);
1926         tabBarPattern->UpdateTextColorAndFontWeight(index);
1927         tabBarPattern->StartShowTabBar();
1928         if (!tabBarPattern->GetClickRepeat() || tabBarLayoutProperty->GetIndicator().value_or(0) == index) {
1929             tabBarPattern->ResetIndicatorAnimationState();
1930             tabBarLayoutProperty->UpdateIndicator(index);
1931         }
1932         tabBarPattern->isTouchingSwiper_ = false;
1933         tabBarPattern->SetClickRepeat(false);
1934         if (tabBarPattern->GetChangeByClick()) {
1935             tabBarPattern->SetChangeByClick(false);
1936             return;
1937         }
1938         if (tabBarLayoutProperty->GetTabBarMode().value_or(TabBarMode::FIXED) == TabBarMode::SCROLLABLE) {
1939             tabBarPattern->UpdateAnimationDuration();
1940             auto duration = tabBarPattern->GetAnimationDuration().value_or(0);
1941             if (duration > 0 && tabBarPattern->CanScroll()) {
1942                 tabBarPattern->StopTranslateAnimation();
1943                 tabBarPattern->targetIndex_ = index;
1944                 tabBarNode->MarkDirtyNode(PROPERTY_UPDATE_LAYOUT);
1945             } else {
1946                 tabBarPattern->StopTranslateAnimation();
1947                 tabBarPattern->jumpIndex_ = index;
1948                 tabBarNode->MarkDirtyNode(PROPERTY_UPDATE_LAYOUT);
1949             }
1950         }
1951     });
1952     pipeline->RequestFrame();
1953 }
1954 
UpdateCurrentOffset(float offset)1955 void TabBarPattern::UpdateCurrentOffset(float offset)
1956 {
1957     if (NearZero(offset)) {
1958         return;
1959     }
1960     auto host = GetHost();
1961     CHECK_NULL_VOID(host);
1962     currentDelta_ = offset;
1963     UpdateSubTabBoard(indicator_);
1964     UpdateIndicator(indicator_);
1965     host->MarkDirtyNode(PROPERTY_UPDATE_LAYOUT);
1966 }
1967 
UpdateIndicator(int32_t indicator)1968 void TabBarPattern::UpdateIndicator(int32_t indicator)
1969 {
1970     auto layoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
1971     CHECK_NULL_VOID(layoutProperty);
1972     layoutProperty->UpdateIndicator(indicator);
1973     clickRepeat_ = false;
1974 
1975     UpdatePaintIndicator(indicator, true);
1976 }
1977 
UpdateGradientRegions(bool needMarkDirty)1978 void TabBarPattern::UpdateGradientRegions(bool needMarkDirty)
1979 {
1980     auto layoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
1981     CHECK_NULL_VOID(layoutProperty);
1982     auto barMode = layoutProperty->GetTabBarMode().value_or(TabBarMode::FIXED);
1983     auto axis = layoutProperty->GetAxis().value_or(Axis::HORIZONTAL);
1984     auto tabBarNode = GetHost();
1985     CHECK_NULL_VOID(tabBarNode);
1986     auto childCount = tabBarNode->TotalChildCount() - MASK_COUNT;
1987     auto geometryNode = tabBarNode->GetGeometryNode();
1988     CHECK_NULL_VOID(geometryNode);
1989     auto mainSize = geometryNode->GetPaddingSize().MainSize(axis);
1990 
1991     std::fill(gradientRegions_.begin(), gradientRegions_.end(), false);
1992     if (barMode == TabBarMode::SCROLLABLE && !visibleItemPosition_.empty()) {
1993         auto visibleItemStartIndex = visibleItemPosition_.begin()->first;
1994         auto visibleItemEndIndex = visibleItemPosition_.rbegin()->first;
1995         auto visibleItemStartPos = visibleItemPosition_.begin()->second.startPos;
1996         auto visibleItemEndPos = visibleItemPosition_.rbegin()->second.endPos;
1997         if (visibleItemStartIndex > 0 || LessNotEqual(visibleItemStartPos, scrollMargin_)) {
1998             auto gradientIndex = axis == Axis::HORIZONTAL ? (isRTL_ ? RIGHT_GRADIENT : LEFT_GRADIENT)
1999                                                           : TOP_GRADIENT;
2000             gradientRegions_[gradientIndex] = true;
2001         }
2002         if (visibleItemEndIndex < childCount - 1 || GreatNotEqual(visibleItemEndPos + scrollMargin_, mainSize)) {
2003             auto gradientIndex = axis == Axis::HORIZONTAL ? (isRTL_ ? LEFT_GRADIENT : RIGHT_GRADIENT)
2004                                                           : BOTTOM_GRADIENT;
2005             gradientRegions_[gradientIndex] = true;
2006         }
2007     }
2008 
2009     if (needMarkDirty) {
2010         tabBarNode->MarkDirtyNode(PROPERTY_UPDATE_RENDER);
2011     }
2012 }
2013 
UpdateTextColorAndFontWeight(int32_t indicator)2014 void TabBarPattern::UpdateTextColorAndFontWeight(int32_t indicator)
2015 {
2016     auto tabBarNode = GetHost();
2017     CHECK_NULL_VOID(tabBarNode);
2018     auto columnNode = DynamicCast<FrameNode>(tabBarNode->GetChildAtIndex(indicator));
2019     CHECK_NULL_VOID(columnNode);
2020     auto selectedColumnId = columnNode->GetId();
2021     auto pipelineContext = PipelineContext::GetCurrentContext();
2022     CHECK_NULL_VOID(pipelineContext);
2023     auto tabTheme = pipelineContext->GetTheme<TabTheme>();
2024     CHECK_NULL_VOID(tabTheme);
2025     auto tabBarLayoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
2026     CHECK_NULL_VOID(tabBarLayoutProperty);
2027     auto axis = tabBarLayoutProperty->GetAxis().value_or(Axis::HORIZONTAL);
2028     int32_t index = 0;
2029     for (const auto& columnNode : tabBarNode->GetChildren()) {
2030         CHECK_NULL_VOID(columnNode);
2031         auto columnId = columnNode->GetId();
2032         auto iter = tabBarType_.find(columnId);
2033         if (iter != tabBarType_.end() && iter->second) {
2034             index++;
2035             continue;
2036         }
2037         if (labelStyles_.find(columnId) == labelStyles_.end()) {
2038             index++;
2039             continue;
2040         }
2041         auto textNode = AceType::DynamicCast<FrameNode>(columnNode->GetChildren().back());
2042         CHECK_NULL_VOID(textNode);
2043         auto textLayoutProperty = textNode->GetLayoutProperty<TextLayoutProperty>();
2044         CHECK_NULL_VOID(textLayoutProperty);
2045         auto isSelected = columnId == selectedColumnId;
2046         if (isSelected) {
2047             auto selectedColor = index < static_cast<int32_t>(selectedModes_.size()) &&
2048                                          selectedModes_[index] == SelectedMode::BOARD && axis == Axis::HORIZONTAL
2049                                      ? tabTheme->GetSubTabBoardTextOnColor()
2050                                      : tabTheme->GetSubTabTextOnColor();
2051             textLayoutProperty->UpdateTextColor(labelStyles_[columnId].selectedColor.value_or(selectedColor));
2052         } else {
2053             textLayoutProperty->UpdateTextColor(
2054                 labelStyles_[columnId].unselectedColor.value_or(tabTheme->GetSubTabTextOffColor()));
2055         }
2056         if (index < static_cast<int32_t>(tabBarStyles_.size()) && tabBarStyles_[index] != TabBarStyle::SUBTABBATSTYLE &&
2057             !labelStyles_[columnId].fontWeight.has_value()) {
2058             textLayoutProperty->UpdateFontWeight(isSelected ? FontWeight::MEDIUM : FontWeight::NORMAL);
2059         }
2060         textNode->MarkModifyDone();
2061         textNode->MarkDirtyNode();
2062         index++;
2063     }
2064 }
2065 
UpdateImageColor(int32_t indicator)2066 void TabBarPattern::UpdateImageColor(int32_t indicator)
2067 {
2068     auto tabBarNode = GetHost();
2069     CHECK_NULL_VOID(tabBarNode);
2070     auto tabBarPattern = tabBarNode->GetPattern<TabBarPattern>();
2071     CHECK_NULL_VOID(tabBarPattern);
2072     if (tabBarPattern->IsContainsBuilder()) {
2073         return;
2074     }
2075     auto pipelineContext = PipelineContext::GetCurrentContext();
2076     CHECK_NULL_VOID(pipelineContext);
2077     auto tabTheme = pipelineContext->GetTheme<TabTheme>();
2078     CHECK_NULL_VOID(tabTheme);
2079     int32_t index = 0;
2080     for (const auto& columnNode : tabBarNode->GetChildren()) {
2081         CHECK_NULL_VOID(columnNode);
2082         auto imageNode = AceType::DynamicCast<FrameNode>(columnNode->GetChildren().front());
2083         CHECK_NULL_VOID(imageNode);
2084         if (imageNode->GetTag() != V2::IMAGE_ETS_TAG) {
2085             index++;
2086             continue;
2087         }
2088         auto imageLayoutProperty = imageNode->GetLayoutProperty<ImageLayoutProperty>();
2089         CHECK_NULL_VOID(imageLayoutProperty);
2090         auto imagePaintProperty = imageNode->GetPaintProperty<ImageRenderProperty>();
2091         CHECK_NULL_VOID(imagePaintProperty);
2092         ImageSourceInfo info;
2093         auto imageSourceInfo = imageLayoutProperty->GetImageSourceInfo().value_or(info);
2094         if (index >= 0 && index < static_cast<int32_t>(iconStyles_.size())) {
2095             if (indicator == index) {
2096                 imagePaintProperty->UpdateSvgFillColor(iconStyles_[index].selectedColor.has_value() ?
2097                     iconStyles_[index].selectedColor.value() : tabTheme->GetBottomTabIconOn());
2098             } else {
2099                 imagePaintProperty->UpdateSvgFillColor(iconStyles_[index].unselectedColor.has_value() ?
2100                     iconStyles_[index].unselectedColor.value() : tabTheme->GetBottomTabIconOff());
2101             }
2102         }
2103         imageLayoutProperty->UpdateImageSourceInfo(imageSourceInfo);
2104         imageNode->MarkModifyDone();
2105         imageNode->MarkDirtyNode();
2106         index++;
2107     }
2108     SetImageColorOnIndex(indicator);
2109 }
2110 
UpdateSymbolStats(int32_t index,int32_t preIndex)2111 void TabBarPattern::UpdateSymbolStats(int32_t index, int32_t preIndex)
2112 {
2113     auto tabBarNode = GetHost();
2114     CHECK_NULL_VOID(tabBarNode);
2115     auto tabBarPattern = tabBarNode->GetPattern<TabBarPattern>();
2116     CHECK_NULL_VOID(tabBarPattern);
2117     auto pipelineContext = PipelineContext::GetCurrentContext();
2118     CHECK_NULL_VOID(pipelineContext);
2119     auto tabTheme = pipelineContext->GetTheme<TabTheme>();
2120     CHECK_NULL_VOID(tabTheme);
2121     if (tabBarPattern->IsContainsBuilder()) {
2122         return;
2123     }
2124     std::vector<int32_t> indexes = {index, preIndex};
2125     for (uint32_t i = 0; i < indexes.size(); i++) {
2126         if (indexes[i] < 0 || indexes[i] >= static_cast<int32_t>(symbolArray_.size())) {
2127             continue;
2128         }
2129         auto columnNode = DynamicCast<FrameNode>(tabBarNode->GetChildAtIndex(indexes[i]));
2130         CHECK_NULL_VOID(columnNode);
2131         auto symbolNode = AceType::DynamicCast<FrameNode>(columnNode->GetChildren().front());
2132         CHECK_NULL_VOID(symbolNode);
2133         if (symbolNode->GetTag() != V2::SYMBOL_ETS_TAG) {
2134             continue;
2135         }
2136         auto symbolLayoutProperty = symbolNode->GetLayoutProperty<TextLayoutProperty>();
2137         CHECK_NULL_VOID(symbolLayoutProperty);
2138         TabContentModelNG::UpdateDefaultSymbol(tabTheme, symbolLayoutProperty);
2139         if (i == 0) {
2140             symbolLayoutProperty->UpdateSymbolColorList({tabTheme->GetBottomTabSymbolOn()});
2141             auto modifierOnApply = symbolArray_[indexes[i]].onApply;
2142             UpdateSymbolApply(symbolNode, symbolLayoutProperty, indexes[i], "selected");
2143             if (preIndex != -1) {
2144                 TabContentModelNG::UpdateSymbolEffect(symbolLayoutProperty, true);
2145             }
2146         } else {
2147             symbolLayoutProperty->UpdateSymbolColorList({tabTheme->GetBottomTabSymbolOff()});
2148             UpdateSymbolApply(symbolNode, symbolLayoutProperty, indexes[i], "normal");
2149         }
2150         symbolNode->MarkModifyDone();
2151         symbolNode->MarkDirtyNode();
2152     }
2153 }
2154 
UpdateSymbolApply(const RefPtr<NG::FrameNode> & symbolNode,RefPtr<TextLayoutProperty> & symbolProperty,int32_t index,std::string type)2155 void TabBarPattern::UpdateSymbolApply(const RefPtr<NG::FrameNode>& symbolNode,
2156     RefPtr<TextLayoutProperty>& symbolProperty, int32_t index, std::string type)
2157 {
2158     auto modifierOnApply = symbolArray_[index].onApply;
2159     if (type == "selected" && !symbolArray_[index].selectedFlag) {
2160         return;
2161     }
2162     if (modifierOnApply != nullptr) {
2163         modifierOnApply(AccessibilityManager::WeakClaim(AccessibilityManager::RawPtr(symbolNode)), type);
2164         TabContentModelNG::UpdateSymbolEffect(symbolProperty, false);
2165     }
2166 }
2167 
UpdateSymbolEffect(int32_t index)2168 void TabBarPattern::UpdateSymbolEffect(int32_t index)
2169 {
2170     if (index != GetImageColorOnIndex().value_or(indicator_)) {
2171         return;
2172     }
2173     auto tabBarNode = GetHost();
2174     CHECK_NULL_VOID(tabBarNode);
2175     auto columnNode = DynamicCast<FrameNode>(tabBarNode->GetChildAtIndex(index));
2176     CHECK_NULL_VOID(columnNode);
2177     auto symbolNode = AceType::DynamicCast<FrameNode>(columnNode->GetChildren().front());
2178     CHECK_NULL_VOID(symbolNode);
2179     if (symbolNode->GetTag() == V2::SYMBOL_ETS_TAG) {
2180         auto symbolLayoutProperty = symbolNode->GetLayoutProperty<TextLayoutProperty>();
2181         CHECK_NULL_VOID(symbolLayoutProperty);
2182         auto symbolEffectOptions = symbolLayoutProperty->GetSymbolEffectOptionsValue(SymbolEffectOptions());
2183         symbolEffectOptions.SetIsTxtActive(false);
2184         symbolLayoutProperty->UpdateSymbolEffectOptions(symbolEffectOptions);
2185     }
2186 }
2187 
UpdateSubTabBoard(int32_t index)2188 void TabBarPattern::UpdateSubTabBoard(int32_t index)
2189 {
2190     auto layoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
2191     CHECK_NULL_VOID(layoutProperty);
2192     auto axis = layoutProperty->GetAxis().value_or(Axis::HORIZONTAL);
2193 
2194     if (index >= static_cast<int32_t>(indicatorStyles_.size()) ||
2195         index >= static_cast<int32_t>(selectedModes_.size())) {
2196         return;
2197     }
2198     auto tabBarNode = GetHost();
2199     CHECK_NULL_VOID(tabBarNode);
2200     auto paintProperty = GetPaintProperty<TabBarPaintProperty>();
2201     CHECK_NULL_VOID(paintProperty);
2202     auto columnNode = DynamicCast<FrameNode>(tabBarNode->GetChildAtIndex(index));
2203     CHECK_NULL_VOID(columnNode);
2204     auto selectedColumnId = columnNode->GetId();
2205     auto pipelineContext = GetHost()->GetContext();
2206     CHECK_NULL_VOID(pipelineContext);
2207     for (auto& iter : visibleItemPosition_) {
2208         if (iter.first < 0 || iter.first >= static_cast<int32_t>(tabBarStyles_.size())) {
2209             break;
2210         }
2211         auto columnFrameNode = AceType::DynamicCast<FrameNode>(tabBarNode->GetChildAtIndex(iter.first));
2212         CHECK_NULL_VOID(columnFrameNode);
2213         auto renderContext = columnFrameNode->GetRenderContext();
2214         CHECK_NULL_VOID(renderContext);
2215         if (tabBarStyles_[iter.first] == TabBarStyle::SUBTABBATSTYLE) {
2216             if (selectedModes_[index] == SelectedMode::BOARD && columnFrameNode->GetId() == selectedColumnId &&
2217                 axis == Axis::HORIZONTAL) {
2218                 renderContext->UpdateBackgroundColor(indicatorStyles_[index].color);
2219             } else {
2220                 renderContext->UpdateBackgroundColor(Color::BLACK.BlendOpacity(0.0f));
2221             }
2222             columnFrameNode->MarkDirtyNode(PROPERTY_UPDATE_RENDER);
2223         }
2224     }
2225 }
2226 
GetSelectedMode() const2227 SelectedMode TabBarPattern::GetSelectedMode() const
2228 {
2229     if (indicator_ >= static_cast<int32_t>(selectedModes_.size())) {
2230         return SelectedMode::INDICATOR;
2231     } else {
2232         return selectedModes_[indicator_];
2233     }
2234 }
2235 
IsContainsBuilder()2236 bool TabBarPattern::IsContainsBuilder()
2237 {
2238     return std::any_of(tabBarType_.begin(), tabBarType_.end(), [](const auto& isBuilder) { return isBuilder.second; });
2239 }
2240 
PlayTabBarTranslateAnimation(AnimationOption option,float targetCurrentOffset)2241 void TabBarPattern::PlayTabBarTranslateAnimation(AnimationOption option, float targetCurrentOffset)
2242 {
2243     auto weak = AceType::WeakClaim(this);
2244     const auto& pattern = weak.Upgrade();
2245     auto host = pattern->GetHost();
2246 
2247     currentOffset_ = 0.0f;
2248     host->CreateAnimatablePropertyFloat(TAB_BAR_PROPERTY_NAME, 0, [weak](float value) {
2249         auto tabBarPattern = weak.Upgrade();
2250         CHECK_NULL_VOID(tabBarPattern);
2251         tabBarPattern->currentDelta_ = value - tabBarPattern->currentOffset_;
2252         tabBarPattern->currentOffset_ = value;
2253         auto host = tabBarPattern->GetHost();
2254         host->MarkDirtyNode(PROPERTY_UPDATE_LAYOUT);
2255     });
2256     host->UpdateAnimatablePropertyFloat(TAB_BAR_PROPERTY_NAME, currentOffset_);
2257     translateAnimationIsRunning_ = true;
2258     translateAnimation_ = AnimationUtils::StartAnimation(option,
2259         [host, targetCurrentOffset]() {
2260             host->UpdateAnimatablePropertyFloat(TAB_BAR_PROPERTY_NAME, targetCurrentOffset);
2261         },
2262         [weak]() {
2263             auto tabBarPattern = weak.Upgrade();
2264             CHECK_NULL_VOID(tabBarPattern);
2265             tabBarPattern->translateAnimationIsRunning_ = false;
2266         });
2267 }
2268 
PlayIndicatorTranslateAnimation(AnimationOption option,RectF originalPaintRect,RectF targetPaintRect,float targetOffset)2269 void TabBarPattern::PlayIndicatorTranslateAnimation(AnimationOption option, RectF originalPaintRect,
2270     RectF targetPaintRect, float targetOffset)
2271 {
2272     auto weak = AceType::WeakClaim(this);
2273     const auto& pattern = weak.Upgrade();
2274     auto host = pattern->GetHost();
2275 
2276     isAnimating_ = true;
2277     turnPageRate_ = 0.0f;
2278     indicatorStartPos_ = originalPaintRect.GetX() + originalPaintRect.Width() / HALF_OF_WIDTH;
2279     indicatorEndPos_ = targetPaintRect.GetX() + targetPaintRect.Width() / HALF_OF_WIDTH + targetOffset;
2280     auto propertyName = INDICATOR_OFFSET_PROPERTY_NAME;
2281 
2282     if (NearZero(indicatorEndPos_ - indicatorStartPos_)) {
2283         indicatorStartPos_ = originalPaintRect.Width();
2284         indicatorEndPos_ = targetPaintRect.Width();
2285         propertyName = INDICATOR_WIDTH_PROPERTY_NAME;
2286         host->CreateAnimatablePropertyFloat(propertyName, 0, [weak](float value) {
2287             auto tabBarPattern = weak.Upgrade();
2288             CHECK_NULL_VOID(tabBarPattern);
2289             if (!tabBarPattern->isAnimating_ ||
2290                 NearZero(tabBarPattern->indicatorEndPos_ - tabBarPattern->indicatorStartPos_)) {
2291                 return;
2292             }
2293             tabBarPattern->turnPageRate_ = (value - tabBarPattern->indicatorStartPos_) /
2294                 (tabBarPattern->indicatorEndPos_ - tabBarPattern->indicatorStartPos_);
2295             tabBarPattern->UpdateIndicatorCurrentOffset(0.0f);
2296         });
2297     } else {
2298         host->CreateAnimatablePropertyFloat(propertyName, 0, [weak](float value) {
2299             auto tabBarPattern = weak.Upgrade();
2300             CHECK_NULL_VOID(tabBarPattern);
2301             if (!tabBarPattern->isAnimating_ ||
2302                 NearZero(tabBarPattern->indicatorEndPos_ - tabBarPattern->indicatorStartPos_)) {
2303                 return;
2304             }
2305             tabBarPattern->turnPageRate_ = (value - tabBarPattern->indicatorStartPos_) /
2306                 (tabBarPattern->indicatorEndPos_ - tabBarPattern->indicatorStartPos_);
2307             tabBarPattern->UpdateIndicatorCurrentOffset(
2308                 static_cast<float>(value - tabBarPattern->currentIndicatorOffset_));
2309         });
2310     }
2311     host->UpdateAnimatablePropertyFloat(propertyName, indicatorStartPos_);
2312     indicatorAnimationIsRunning_ = true;
2313     tabbarIndicatorAnimation_ = AnimationUtils::StartAnimation(option,
2314         [host, propertyName, endPos = indicatorEndPos_]() {
2315             host->UpdateAnimatablePropertyFloat(propertyName, endPos);
2316         },
2317         [weak]() {
2318             auto tabBarPattern = weak.Upgrade();
2319             CHECK_NULL_VOID(tabBarPattern);
2320             tabBarPattern->indicatorAnimationIsRunning_ = false;
2321         });
2322 }
2323 
StopTranslateAnimation()2324 void TabBarPattern::StopTranslateAnimation()
2325 {
2326     if (translateAnimation_)
2327         AnimationUtils::StopAnimation(translateAnimation_);
2328 
2329     if (tabbarIndicatorAnimation_)
2330         AnimationUtils::StopAnimation(tabbarIndicatorAnimation_);
2331 
2332     if (indicatorAnimationIsRunning_)
2333         indicatorAnimationIsRunning_ = false;
2334 
2335     if (translateAnimationIsRunning_)
2336         translateAnimationIsRunning_ = false;
2337 }
2338 
TriggerTranslateAnimation(int32_t currentIndex,int32_t targetIndex)2339 void TabBarPattern::TriggerTranslateAnimation(int32_t currentIndex, int32_t targetIndex)
2340 {
2341     auto curve = DurationCubicCurve;
2342     StopTranslateAnimation();
2343     SetSwiperCurve(curve);
2344     auto pipelineContext = PipelineContext::GetCurrentContextSafely();
2345     CHECK_NULL_VOID(pipelineContext);
2346     auto tabTheme = pipelineContext->GetTheme<TabTheme>();
2347     CHECK_NULL_VOID(tabTheme);
2348     UpdateAnimationDuration();
2349     AnimationOption option = AnimationOption();
2350     option.SetDuration(static_cast<int32_t>(GetAnimationDuration().value_or(
2351         tabTheme->GetTabContentAnimationDuration())));
2352     option.SetCurve(curve);
2353     option.SetFillMode(FillMode::FORWARDS);
2354 
2355     auto targetOffset = 0.0f;
2356     if (CanScroll()) {
2357         targetOffset = CalculateTargetOffset(targetIndex);
2358         PlayTabBarTranslateAnimation(option, targetOffset);
2359     }
2360 
2361     auto host = GetHost();
2362     CHECK_NULL_VOID(host);
2363     auto layoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
2364     CHECK_NULL_VOID(layoutProperty);
2365     if (std::count(tabBarStyles_.begin(), tabBarStyles_.end(), TabBarStyle::SUBTABBATSTYLE) !=
2366             static_cast<int32_t>(tabBarStyles_.size()) ||
2367         layoutProperty->GetAxisValue(Axis::HORIZONTAL) != Axis::HORIZONTAL) {
2368         return;
2369     }
2370     auto originalPaintRect = layoutProperty->GetIndicatorRect(currentIndex);
2371     auto targetPaintRect = layoutProperty->GetIndicatorRect(targetIndex);
2372     auto paintProperty = host->GetPaintProperty<TabBarPaintProperty>();
2373     CHECK_NULL_VOID(paintProperty);
2374     paintProperty->UpdateIndicator(targetPaintRect);
2375     if (!changeByClick_) {
2376         return;
2377     }
2378     PlayIndicatorTranslateAnimation(option, originalPaintRect, targetPaintRect, targetOffset);
2379 }
2380 
CalculateTargetOffset(int32_t targetIndex)2381 float TabBarPattern::CalculateTargetOffset(int32_t targetIndex)
2382 {
2383     auto targetOffset = 0.0f;
2384     auto space = GetSpace(targetIndex);
2385     auto startPos = 0.0f;
2386     auto endPos = 0.0f;
2387     auto iter = visibleItemPosition_.find(targetIndex);
2388     if (iter != visibleItemPosition_.end()) {
2389         startPos = iter->second.startPos;
2390         endPos = iter->second.endPos;
2391     }
2392     auto frontChildrenMainSize = CalculateFrontChildrenMainSize(targetIndex);
2393     auto backChildrenMainSize = CalculateBackChildrenMainSize(targetIndex);
2394     if (Negative(space)) {
2395         targetOffset = isRTL_ && axis_ == Axis::HORIZONTAL ? (startPos - scrollMargin_)
2396                                                             : (scrollMargin_ - startPos);
2397     } else if (LessOrEqual(frontChildrenMainSize, space)) {
2398         targetOffset = isRTL_ && axis_ == Axis::HORIZONTAL ? (startPos - frontChildrenMainSize)
2399                                                             : (frontChildrenMainSize - startPos);
2400     } else if (LessOrEqual(backChildrenMainSize, space)) {
2401         auto host = GetHost();
2402         CHECK_NULL_RETURN(host, targetOffset);
2403         auto mainSize = host->GetGeometryNode()->GetPaddingSize().MainSize(axis_);
2404         targetOffset = isRTL_ && axis_ == Axis::HORIZONTAL ? (backChildrenMainSize - (mainSize - endPos))
2405                                                             : (mainSize - backChildrenMainSize - endPos);
2406     } else {
2407         targetOffset = isRTL_ && axis_ == Axis::HORIZONTAL ? (startPos - space) : (space - startPos);
2408     }
2409     return targetOffset;
2410 }
2411 
UpdateIndicatorCurrentOffset(float offset)2412 void TabBarPattern::UpdateIndicatorCurrentOffset(float offset)
2413 {
2414     currentIndicatorOffset_ = currentIndicatorOffset_ + offset;
2415     auto host = GetHost();
2416     CHECK_NULL_VOID(host);
2417     host->MarkDirtyNode(PROPERTY_UPDATE_RENDER);
2418 }
2419 
CreateNodePaintMethod()2420 RefPtr<NodePaintMethod> TabBarPattern::CreateNodePaintMethod()
2421 {
2422     if (indicator_ < 0 || indicator_ >= static_cast<int32_t>(indicatorStyles_.size()) ||
2423         indicator_ >= static_cast<int32_t>(selectedModes_.size())) {
2424         return nullptr;
2425     }
2426 
2427     if (!tabBarModifier_) {
2428         tabBarModifier_ = AceType::MakeRefPtr<TabBarModifier>();
2429     }
2430 
2431     Color bgColor = GetTabBarBackgroundColor();
2432     RectF tabBarItemRect;
2433     auto paintProperty = GetPaintProperty<TabBarPaintProperty>();
2434     if (paintProperty) {
2435         RectF rect;
2436         tabBarItemRect = paintProperty->GetIndicator().value_or(rect);
2437     }
2438     IndicatorStyle indicatorStyle;
2439     OffsetF indicatorOffset = { currentIndicatorOffset_, tabBarItemRect.GetY() };
2440     GetIndicatorStyle(indicatorStyle, indicatorOffset);
2441     indicatorOffset.AddX(-indicatorStyle.width.ConvertToPx() / HALF_OF_WIDTH);
2442     auto hasIndicator = std::count(selectedModes_.begin(), selectedModes_.end(), SelectedMode::INDICATOR) ==
2443         static_cast<int32_t>(selectedModes_.size()) && !NearZero(tabBarItemRect.Height());
2444     return MakeRefPtr<TabBarPaintMethod>(tabBarModifier_, gradientRegions_, bgColor, indicatorStyle,
2445         indicatorOffset, hasIndicator);
2446 }
2447 
GetTabBarBackgroundColor() const2448 Color TabBarPattern::GetTabBarBackgroundColor() const
2449 {
2450     Color bgColor = Color::WHITE;
2451     auto tabBarNode = GetHost();
2452     CHECK_NULL_RETURN(tabBarNode, bgColor);
2453     auto tabBarCtx = tabBarNode->GetRenderContext();
2454     CHECK_NULL_RETURN(tabBarCtx, bgColor);
2455     if (tabBarCtx->GetBackgroundColor()) {
2456         bgColor = *tabBarCtx->GetBackgroundColor();
2457     } else {
2458         auto tabsNode = AceType::DynamicCast<FrameNode>(tabBarNode->GetParent());
2459         CHECK_NULL_RETURN(tabsNode, bgColor);
2460         auto tabsCtx = tabsNode->GetRenderContext();
2461         CHECK_NULL_RETURN(tabsCtx, bgColor);
2462         if (tabsCtx->GetBackgroundColor()) {
2463             bgColor = *tabsCtx->GetBackgroundColor();
2464         } else {
2465             auto pipeline = PipelineContext::GetCurrentContext();
2466             CHECK_NULL_RETURN(pipeline, bgColor);
2467             auto tabTheme = pipeline->GetTheme<TabTheme>();
2468             CHECK_NULL_RETURN(tabTheme, bgColor);
2469             bgColor = tabTheme->GetBackgroundColor().ChangeAlpha(0xff);
2470         }
2471     }
2472     return bgColor;
2473 }
2474 
GetIndicatorStyle(IndicatorStyle & indicatorStyle,OffsetF & indicatorOffset)2475 void TabBarPattern::GetIndicatorStyle(IndicatorStyle& indicatorStyle, OffsetF& indicatorOffset)
2476 {
2477     if (indicator_ < 0 || indicator_ >= static_cast<int32_t>(indicatorStyles_.size())) {
2478         return;
2479     }
2480     indicatorStyle = indicatorStyles_[indicator_];
2481     auto host = GetHost();
2482     CHECK_NULL_VOID(host);
2483     auto layoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
2484     CHECK_NULL_VOID(layoutProperty);
2485 
2486     if (NonPositive(indicatorStyle.width.Value())) {
2487         auto paintProperty = GetPaintProperty<TabBarPaintProperty>();
2488         if (paintProperty) {
2489             RectF rect;
2490             indicatorStyle.width = Dimension(paintProperty->GetIndicator().value_or(rect).Width());
2491         }
2492     }
2493     if ((!isTouchingSwiper_ && !isAnimating_) || axis_ != Axis::HORIZONTAL) {
2494         return;
2495     }
2496     if (LessOrEqual(turnPageRate_, 0.0f)) {
2497         turnPageRate_ = 0.0f;
2498     }
2499     if (GreatOrEqual(turnPageRate_, 1.0f)) {
2500         turnPageRate_ = 1.0f;
2501     }
2502     auto totalCount = host->TotalChildCount() - MASK_COUNT;
2503     if (swiperStartIndex_ < 0 || swiperStartIndex_ >= totalCount ||
2504         swiperStartIndex_ >= static_cast<int32_t>(tabBarStyles_.size()) ||
2505         tabBarStyles_[swiperStartIndex_] != TabBarStyle::SUBTABBATSTYLE ||
2506         swiperStartIndex_ >= static_cast<int32_t>(selectedModes_.size()) ||
2507         selectedModes_[swiperStartIndex_] != SelectedMode::INDICATOR ||
2508         swiperStartIndex_ >= static_cast<int32_t>(indicatorStyles_.size())) {
2509         return;
2510     }
2511 
2512     auto nextIndex = isTouchingSwiper_ ? swiperStartIndex_ + 1 : animationTargetIndex_.value_or(-1);
2513     if (nextIndex < 0 || nextIndex >= totalCount ||
2514         nextIndex >= static_cast<int32_t>(tabBarStyles_.size()) ||
2515         tabBarStyles_[nextIndex] != TabBarStyle::SUBTABBATSTYLE ||
2516         nextIndex >= static_cast<int32_t>(selectedModes_.size()) ||
2517         selectedModes_[nextIndex] != SelectedMode::INDICATOR ||
2518         nextIndex >= static_cast<int32_t>(indicatorStyles_.size())) {
2519         return;
2520     }
2521     CalculateIndicatorStyle(swiperStartIndex_, nextIndex, indicatorStyle, indicatorOffset);
2522 }
2523 
CalculateIndicatorStyle(int32_t startIndex,int32_t nextIndex,IndicatorStyle & indicatorStyle,OffsetF & indicatorOffset)2524 void TabBarPattern::CalculateIndicatorStyle(
2525     int32_t startIndex, int32_t nextIndex, IndicatorStyle& indicatorStyle, OffsetF& indicatorOffset)
2526 {
2527     auto layoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
2528     CHECK_NULL_VOID(layoutProperty);
2529 
2530     indicatorStyle = indicatorStyles_[startIndex];
2531     auto startItemRect = layoutProperty->GetIndicatorRect(startIndex);
2532     if (NonPositive(indicatorStyle.width.Value())) {
2533         indicatorStyle.width = Dimension(startItemRect.Width());
2534     }
2535     IndicatorStyle nextIndicatorStyle = indicatorStyles_[nextIndex];
2536     auto nextItemRect = layoutProperty->GetIndicatorRect(nextIndex);
2537     if (NonPositive(nextIndicatorStyle.width.Value())) {
2538         nextIndicatorStyle.width = Dimension(nextItemRect.Width());
2539     }
2540 
2541     indicatorStyle.width = Dimension(indicatorStyle.width.ConvertToPx() +
2542         (nextIndicatorStyle.width.ConvertToPx() - indicatorStyle.width.ConvertToPx()) * turnPageRate_);
2543     indicatorStyle.marginTop = Dimension(indicatorStyle.marginTop.ConvertToPx() +
2544         (nextIndicatorStyle.marginTop.ConvertToPx() - indicatorStyle.marginTop.ConvertToPx()) * turnPageRate_);
2545     indicatorStyle.height = Dimension(indicatorStyle.height.ConvertToPx() +
2546         (nextIndicatorStyle.height.ConvertToPx() - indicatorStyle.height.ConvertToPx()) * turnPageRate_);
2547     LinearColor color = LinearColor(indicatorStyle.color) +
2548         (LinearColor(nextIndicatorStyle.color) - LinearColor(indicatorStyle.color)) * turnPageRate_;
2549     indicatorStyle.color = color.ToColor();
2550     indicatorOffset.SetY(startItemRect.GetY() + (nextItemRect.GetY() - startItemRect.GetY()) * turnPageRate_);
2551 }
2552 
GetSpace(int32_t indicator)2553 float TabBarPattern::GetSpace(int32_t indicator)
2554 {
2555     auto host = GetHost();
2556     CHECK_NULL_RETURN(host, 0.0f);
2557     auto geometryNode = host->GetGeometryNode();
2558     auto childFrameNode = AceType::DynamicCast<FrameNode>(host->GetChildAtIndex(indicator));
2559     CHECK_NULL_RETURN(childFrameNode, 0.0f);
2560     auto childGeometryNode = childFrameNode->GetGeometryNode();
2561 
2562     return (geometryNode->GetPaddingSize().MainSize(axis_) - childGeometryNode->GetMarginFrameSize().MainSize(axis_)) /
2563            2;
2564 }
2565 
CalculateFrontChildrenMainSize(int32_t indicator)2566 float TabBarPattern::CalculateFrontChildrenMainSize(int32_t indicator)
2567 {
2568     float frontChildrenMainSize = scrollMargin_;
2569     if (visibleItemPosition_.empty()) {
2570         return frontChildrenMainSize;
2571     }
2572     for (auto& iter : visibleItemPosition_) {
2573         if (iter.first < indicator) {
2574             frontChildrenMainSize += iter.second.endPos - iter.second.startPos;
2575         }
2576     }
2577     return frontChildrenMainSize;
2578 }
2579 
CalculateBackChildrenMainSize(int32_t indicator)2580 float TabBarPattern::CalculateBackChildrenMainSize(int32_t indicator)
2581 {
2582     float backChildrenMainSize = scrollMargin_;
2583     if (visibleItemPosition_.empty()) {
2584         return backChildrenMainSize;
2585     }
2586     for (auto& iter : visibleItemPosition_) {
2587         if (iter.first > indicator) {
2588             backChildrenMainSize += iter.second.endPos - iter.second.startPos;
2589         }
2590     }
2591     return backChildrenMainSize;
2592 }
2593 
SetEdgeEffect(const RefPtr<GestureEventHub> & gestureHub)2594 void TabBarPattern::SetEdgeEffect(const RefPtr<GestureEventHub>& gestureHub)
2595 {
2596     CHECK_NULL_VOID(gestureHub);
2597     if (scrollEffect_) {
2598         gestureHub->RemoveScrollEdgeEffect(scrollEffect_);
2599         scrollEffect_.Reset();
2600     }
2601     if (!scrollEffect_) {
2602         auto springEffect = AceType::MakeRefPtr<ScrollSpringEffect>();
2603         CHECK_NULL_VOID(springEffect);
2604         springEffect->SetOutBoundaryCallback([weak = AceType::WeakClaim(this)]() {
2605             auto pattern = weak.Upgrade();
2606             CHECK_NULL_RETURN(pattern, false);
2607             return pattern->IsAtTop() || pattern->IsAtBottom();
2608         });
2609         // add callback to springEdgeEffect
2610         SetEdgeEffectCallback(springEffect);
2611         scrollEffect_ = springEffect;
2612         gestureHub->AddScrollEdgeEffect(axis_, scrollEffect_);
2613     }
2614 }
2615 
SetEdgeEffectCallback(const RefPtr<ScrollEdgeEffect> & scrollEffect)2616 void TabBarPattern::SetEdgeEffectCallback(const RefPtr<ScrollEdgeEffect>& scrollEffect)
2617 {
2618     scrollEffect->SetCurrentPositionCallback([weak = AceType::WeakClaim(this)]() -> double {
2619         auto tabBar = weak.Upgrade();
2620         CHECK_NULL_RETURN(tabBar, 0.0);
2621         auto host = tabBar->GetHost();
2622         CHECK_NULL_RETURN(host, 0.0);
2623         auto geometryNode = host->GetGeometryNode();
2624         CHECK_NULL_RETURN(geometryNode, 0.0);
2625         if (tabBar->visibleItemPosition_.empty()) {
2626             return tabBar->scrollMargin_ + tabBar->currentDelta_;
2627         }
2628         if (tabBar->isRTL_ && tabBar->axis_ == Axis::HORIZONTAL) {
2629             return geometryNode->GetPaddingSize().Width() - tabBar->visibleItemPosition_.rbegin()->second.endPos +
2630                 tabBar->currentDelta_;
2631         } else {
2632             return tabBar->visibleItemPosition_.begin()->second.startPos + tabBar->currentDelta_;
2633         }
2634     });
2635     auto leadingCallback = [weak = AceType::WeakClaim(this)]() -> double {
2636         auto tabBar = weak.Upgrade();
2637         CHECK_NULL_RETURN(tabBar, 0.0);
2638         auto host = tabBar->GetHost();
2639         CHECK_NULL_RETURN(host, 0.0);
2640         auto geometryNode = host->GetGeometryNode();
2641         CHECK_NULL_RETURN(geometryNode, 0.0);
2642         if (tabBar->visibleItemPosition_.empty()) {
2643             return geometryNode->GetPaddingSize().MainSize(tabBar->axis_) - tabBar->scrollMargin_;
2644         }
2645         auto visibleChildrenMainSize = tabBar->visibleItemPosition_.rbegin()->second.endPos -
2646             tabBar->visibleItemPosition_.begin()->second.startPos;
2647         return geometryNode->GetPaddingSize().MainSize(tabBar->axis_) - visibleChildrenMainSize - tabBar->scrollMargin_;
2648     };
2649     auto trailingCallback = [weak = AceType::WeakClaim(this)]() -> double {
2650         auto tabBar = weak.Upgrade();
2651         CHECK_NULL_RETURN(tabBar, 0.0);
2652         return tabBar->scrollMargin_;
2653     };
2654     scrollEffect->SetLeadingCallback(leadingCallback);
2655     scrollEffect->SetTrailingCallback(trailingCallback);
2656     scrollEffect->SetInitLeadingCallback(leadingCallback);
2657     scrollEffect->SetInitTrailingCallback(trailingCallback);
2658 }
2659 
IsAtTop() const2660 bool TabBarPattern::IsAtTop() const
2661 {
2662     if (visibleItemPosition_.empty()) {
2663         return false;
2664     }
2665 
2666     auto visibleItemStartIndex = visibleItemPosition_.begin()->first;
2667     auto visibleItemStartPos = visibleItemPosition_.begin()->second.startPos;
2668     return visibleItemStartIndex == 0 && GreatOrEqual(visibleItemStartPos, scrollMargin_);
2669 }
2670 
IsAtBottom() const2671 bool TabBarPattern::IsAtBottom() const
2672 {
2673     if (visibleItemPosition_.empty()) {
2674         return false;
2675     }
2676     auto host = GetHost();
2677     CHECK_NULL_RETURN(host, false);
2678     auto geometryNode = host->GetGeometryNode();
2679     CHECK_NULL_RETURN(geometryNode, false);
2680 
2681     auto visibleItemEndIndex = visibleItemPosition_.rbegin()->first;
2682     auto visibleItemEndPos = visibleItemPosition_.rbegin()->second.endPos;
2683     auto childCount = host->TotalChildCount() - MASK_COUNT;
2684     auto mainSize = geometryNode->GetPaddingSize().MainSize(axis_);
2685     return visibleItemEndIndex == (childCount - 1) && LessOrEqual(visibleItemEndPos, mainSize - scrollMargin_);
2686 }
2687 
IsOutOfBoundary()2688 bool TabBarPattern::IsOutOfBoundary()
2689 {
2690     if (visibleItemPosition_.empty()) {
2691         return false;
2692     }
2693     auto host = GetHost();
2694     CHECK_NULL_RETURN(host, false);
2695     auto geometryNode = host->GetGeometryNode();
2696     CHECK_NULL_RETURN(geometryNode, false);
2697 
2698     auto visibleItemStartPos = visibleItemPosition_.begin()->second.startPos;
2699     auto visibleItemEndPos = visibleItemPosition_.rbegin()->second.endPos;
2700     auto mainSize = geometryNode->GetPaddingSize().MainSize(axis_);
2701     bool outOfStart = Positive(visibleItemStartPos - scrollMargin_) &&
2702         GreatNotEqual(visibleItemEndPos + scrollMargin_, mainSize);
2703     bool outOfEnd = LessNotEqual(visibleItemEndPos + scrollMargin_, mainSize) &&
2704         Negative(visibleItemStartPos - scrollMargin_);
2705     return outOfStart || outOfEnd;
2706 }
2707 
SetAccessibilityAction()2708 void TabBarPattern::SetAccessibilityAction()
2709 {
2710     auto host = GetHost();
2711     CHECK_NULL_VOID(host);
2712     auto accessibilityProperty = host->GetAccessibilityProperty<AccessibilityProperty>();
2713     CHECK_NULL_VOID(accessibilityProperty);
2714     accessibilityProperty->SetActionScrollForward([weakPtr = WeakClaim(this)]() {
2715         const auto& pattern = weakPtr.Upgrade();
2716         CHECK_NULL_VOID(pattern);
2717         auto tabBarLayoutProperty = pattern->GetLayoutProperty<TabBarLayoutProperty>();
2718         CHECK_NULL_VOID(tabBarLayoutProperty);
2719         auto frameNode = pattern->GetHost();
2720         CHECK_NULL_VOID(frameNode);
2721         if (tabBarLayoutProperty->GetTabBarMode().value_or(TabBarMode::FIXED) == TabBarMode::SCROLLABLE &&
2722             frameNode->TotalChildCount() - MASK_COUNT > 1) {
2723             auto index = pattern->GetIndicator() + 1;
2724             pattern->FocusIndexChange(index);
2725             // AccessibilityEventType::SCROLL_END
2726         }
2727     });
2728 
2729     accessibilityProperty->SetActionScrollBackward([weakPtr = WeakClaim(this)]() {
2730         const auto& pattern = weakPtr.Upgrade();
2731         CHECK_NULL_VOID(pattern);
2732         auto tabBarLayoutProperty = pattern->GetLayoutProperty<TabBarLayoutProperty>();
2733         CHECK_NULL_VOID(tabBarLayoutProperty);
2734         auto frameNode = pattern->GetHost();
2735         CHECK_NULL_VOID(frameNode);
2736         if (tabBarLayoutProperty->GetTabBarMode().value_or(TabBarMode::FIXED) == TabBarMode::SCROLLABLE &&
2737            frameNode->TotalChildCount() - MASK_COUNT > 1) {
2738             auto index = pattern->GetIndicator() - 1;
2739             pattern->FocusIndexChange(index);
2740             // AccessibilityEventType::SCROLL_END
2741         }
2742     });
2743 }
2744 
ProvideRestoreInfo()2745 std::string TabBarPattern::ProvideRestoreInfo()
2746 {
2747     auto jsonObj = JsonUtil::Create(true);
2748     auto tabBarLayoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
2749     CHECK_NULL_RETURN(tabBarLayoutProperty, "");
2750     jsonObj->Put("Index", tabBarLayoutProperty->GetIndicator().value_or(0));
2751     return jsonObj->ToString();
2752 }
2753 
OnRestoreInfo(const std::string & restoreInfo)2754 void TabBarPattern::OnRestoreInfo(const std::string& restoreInfo)
2755 {
2756     auto host = GetHost();
2757     CHECK_NULL_VOID(host);
2758     auto tabBarLayoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
2759     CHECK_NULL_VOID(tabBarLayoutProperty);
2760     auto info = JsonUtil::ParseJsonString(restoreInfo);
2761     if (!info->IsValid() || !info->IsObject()) {
2762         return;
2763     }
2764     auto jsonIsOn = info->GetValue("Index");
2765     auto index = jsonIsOn->GetInt();
2766     auto totalCount = host->TotalChildCount();
2767     if (index < 0 || index >= totalCount || !swiperController_ ||
2768         indicator_ >= static_cast<int32_t>(tabBarStyles_.size())) {
2769         return;
2770     }
2771     auto tabsFrameNode = AceType::DynamicCast<TabsNode>(host->GetParent());
2772     CHECK_NULL_VOID(tabsFrameNode);
2773     auto tabsPattern = tabsFrameNode->GetPattern<TabsPattern>();
2774     tabBarLayoutProperty->UpdateIndicator(index);
2775     clickRepeat_ = false;
2776     UpdateAnimationDuration();
2777     if (GetAnimationDuration().has_value()
2778         && (!tabsPattern || tabsPattern->GetAnimateMode() != TabAnimateMode::NO_ANIMATION)) {
2779         swiperController_->SwipeTo(index);
2780     } else {
2781         swiperController_->SwipeToWithoutAnimation(index);
2782     }
2783 }
2784 
ToJsonValue(std::unique_ptr<JsonValue> & json,const InspectorFilter & filter) const2785 void TabBarPattern::ToJsonValue(std::unique_ptr<JsonValue>& json, const InspectorFilter& filter) const
2786 {
2787     Pattern::ToJsonValue(json, filter);
2788     /* no fixed attr below, just return */
2789     if (filter.IsFastFilter()) {
2790         return;
2791     }
2792     auto selectedModes = JsonUtil::CreateArray(true);
2793     for (const auto& selectedMode : selectedModes_) {
2794         auto mode = JsonUtil::Create(true);
2795         mode->Put("mode", selectedMode == SelectedMode::INDICATOR ? "INDICATOR" : "BOARD");
2796         selectedModes->Put(mode);
2797     }
2798     json->PutExtAttr("selectedModes", selectedModes->ToString().c_str(), filter);
2799 
2800     auto indicatorStyles = JsonUtil::CreateArray(true);
2801     for (const auto& indicatorStyle : indicatorStyles_) {
2802         auto indicator = JsonUtil::Create(true);
2803         indicator->Put("color", indicatorStyle.color.ColorToString().c_str());
2804         indicator->Put("height", indicatorStyle.height.ToString().c_str());
2805         indicator->Put("width", indicatorStyle.width.ToString().c_str());
2806         indicator->Put("borderRadius", indicatorStyle.borderRadius.ToString().c_str());
2807         indicator->Put("marginTop", indicatorStyle.marginTop.ToString().c_str());
2808         indicatorStyles->Put(indicator);
2809     }
2810     json->PutExtAttr("indicatorStyles", indicatorStyles->ToString().c_str(), filter);
2811 
2812     auto tabBarStyles = JsonUtil::CreateArray(true);
2813     for (const auto& tabBarStyle : tabBarStyles_) {
2814         auto style = JsonUtil::Create(true);
2815         style->Put("style", tabBarStyle == TabBarStyle::NOSTYLE          ? "NOSTYLE"
2816                             : tabBarStyle == TabBarStyle::SUBTABBATSTYLE ? "SUBTABBATSTYLE"
2817                                                                          : "BOTTOMTABBATSTYLE");
2818         tabBarStyles->Put(style);
2819     }
2820     json->PutExtAttr("tabBarStyles", tabBarStyles->ToString().c_str(), filter);
2821 }
2822 
FromJson(const std::unique_ptr<JsonValue> & json)2823 void TabBarPattern::FromJson(const std::unique_ptr<JsonValue>& json)
2824 {
2825     auto selectedModes = JsonUtil::ParseJsonString(json->GetString("selectedModes"));
2826     for (int32_t i = 0; i < selectedModes->GetArraySize(); i++) {
2827         auto selectedMode = selectedModes->GetArrayItem(i);
2828         auto mode = selectedMode->GetString("mode");
2829         SetSelectedMode(mode == "INDICATOR" ? SelectedMode::INDICATOR : SelectedMode::BOARD, i);
2830     }
2831 
2832     auto indicatorStyles = JsonUtil::ParseJsonString(json->GetString("indicatorStyles"));
2833     for (int32_t i = 0; i < indicatorStyles->GetArraySize(); i++) {
2834         auto indicatorStyle = indicatorStyles->GetArrayItem(i);
2835         IndicatorStyle style;
2836         style.color = Color::ColorFromString(indicatorStyle->GetString("color"));
2837         style.height = Dimension::FromString(indicatorStyle->GetString("height"));
2838         style.width = Dimension::FromString(indicatorStyle->GetString("width"));
2839         style.borderRadius = Dimension::FromString(indicatorStyle->GetString("borderRadius"));
2840         style.marginTop = Dimension::FromString(indicatorStyle->GetString("marginTop"));
2841         SetIndicatorStyle(style, i);
2842     }
2843 
2844     auto tabBarStyles = JsonUtil::ParseJsonString(json->GetString("tabBarStyles"));
2845     for (int32_t i = 0; i < tabBarStyles->GetArraySize(); i++) {
2846         auto tabBarStyle = tabBarStyles->GetArrayItem(i);
2847         auto style = tabBarStyle->GetString("style");
2848         SetTabBarStyle(style == "NOSTYLE"          ? TabBarStyle::NOSTYLE
2849                        : style == "SUBTABBATSTYLE" ? TabBarStyle::SUBTABBATSTYLE
2850                                                    : TabBarStyle::BOTTOMTABBATSTYLE,
2851             i);
2852     }
2853 
2854     auto layoutProperty = GetLayoutProperty<TabBarLayoutProperty>();
2855     CHECK_NULL_VOID(layoutProperty);
2856     auto indicatorValue = layoutProperty->GetIndicatorValue(0);
2857     UpdateIndicator(indicatorValue);
2858     Pattern::FromJson(json);
2859 }
2860 
TabBarClickEvent(int32_t index) const2861 void TabBarPattern::TabBarClickEvent(int32_t index) const
2862 {
2863     auto host = GetHost();
2864     CHECK_NULL_VOID(host);
2865     auto tabsNode = AceType::DynamicCast<TabsNode>(host->GetParent());
2866     CHECK_NULL_VOID(tabsNode);
2867     auto tabsPattern = tabsNode->GetPattern<TabsPattern>();
2868     CHECK_NULL_VOID(tabsPattern);
2869     auto tabBarClickEvent = tabsPattern->GetTabBarClickEvent();
2870     CHECK_NULL_VOID(tabBarClickEvent);
2871     auto event = *tabBarClickEvent;
2872     event(index);
2873 }
2874 
2875 
OnCustomContentTransition(int32_t fromIndex,int32_t toIndex)2876 void TabBarPattern::OnCustomContentTransition(int32_t fromIndex, int32_t toIndex)
2877 {
2878     auto swiperPattern = GetSwiperPattern();
2879     CHECK_NULL_VOID(swiperPattern);
2880 
2881     swiperPattern->OnCustomContentTransition(toIndex);
2882 }
2883 
GetSwiperPattern() const2884 RefPtr<SwiperPattern> TabBarPattern::GetSwiperPattern() const
2885 {
2886     auto host = GetHost();
2887     CHECK_NULL_RETURN(host, nullptr);
2888     auto tabsNode = AceType::DynamicCast<TabsNode>(host->GetParent());
2889     CHECK_NULL_RETURN(tabsNode, nullptr);
2890     auto swiperNode = AceType::DynamicCast<FrameNode>(tabsNode->GetTabs());
2891     CHECK_NULL_RETURN(swiperNode, nullptr);
2892     auto swiperPattern = swiperNode->GetPattern<SwiperPattern>();
2893     return swiperPattern;
2894 }
2895 
CheckSwiperDisable() const2896 bool TabBarPattern::CheckSwiperDisable() const
2897 {
2898     auto host = GetHost();
2899     CHECK_NULL_RETURN(host, true);
2900     auto tabsNode = AceType::DynamicCast<TabsNode>(host->GetParent());
2901     CHECK_NULL_RETURN(tabsNode, true);
2902     auto swiperNode = AceType::DynamicCast<FrameNode>(tabsNode->GetTabs());
2903     CHECK_NULL_RETURN(swiperNode, true);
2904     auto props = swiperNode->GetLayoutProperty<SwiperLayoutProperty>();
2905     CHECK_NULL_RETURN(props, true);
2906     return props->GetDisableSwipe().value_or(false);
2907 }
2908 
SetSwiperCurve(const RefPtr<Curve> & curve) const2909 void TabBarPattern::SetSwiperCurve(const RefPtr<Curve>& curve) const
2910 {
2911     auto host = GetHost();
2912     CHECK_NULL_VOID(host);
2913     auto tabsNode = AceType::DynamicCast<TabsNode>(host->GetParent());
2914     CHECK_NULL_VOID(tabsNode);
2915     auto swiperNode = AceType::DynamicCast<FrameNode>(tabsNode->GetTabs());
2916     CHECK_NULL_VOID(swiperNode);
2917     auto swiperPaintProperty = swiperNode->GetPaintProperty<SwiperPaintProperty>();
2918     CHECK_NULL_VOID(swiperPaintProperty);
2919     swiperPaintProperty->UpdateCurve(curve);
2920 }
2921 
ApplyTurnPageRateToIndicator(float turnPageRate)2922 void TabBarPattern::ApplyTurnPageRateToIndicator(float turnPageRate)
2923 {
2924     auto host = GetHost();
2925     CHECK_NULL_VOID(host);
2926     auto layoutProperty = host->GetLayoutProperty<TabBarLayoutProperty>();
2927     auto totalCount = host->TotalChildCount() - MASK_COUNT;
2928     CHECK_NULL_VOID(layoutProperty);
2929     swiperStartIndex_ = std::clamp(swiperStartIndex_, 0, totalCount - 1);
2930     CHECK_NULL_VOID(IsValidIndex(swiperStartIndex_));
2931     auto index = swiperStartIndex_ + 1;
2932     auto isRtl = ParseTabsIsRtl();
2933     if ((index >= totalCount || index >= static_cast<int32_t>(tabBarStyles_.size())) && !isRtl) {
2934         swiperStartIndex_--;
2935         index--;
2936         turnPageRate = 1.0f;
2937     }
2938     if (isRtl && (index == static_cast<int32_t>(tabBarStyles_.size()) || NearEqual(turnPageRate, 1.0f))) {
2939         return;
2940     }
2941     if (Negative(turnPageRate)) {
2942         turnPageRate = 0.0f;
2943     }
2944     CHECK_NULL_VOID(IsValidIndex(index));
2945     if (GreatOrEqual(turnPageRate, 1.0f)) {
2946         turnPageRate_ = 1.0f;
2947     } else if (LessOrEqual(turnPageRate, 0.0f)) {
2948         turnPageRate_ = 0.0f;
2949     } else {
2950         if (turnPageRate_ <= TEXT_COLOR_THREDHOLD && turnPageRate > TEXT_COLOR_THREDHOLD) {
2951             UpdateTextColorAndFontWeight(index);
2952         } else if (turnPageRate <= 1.0f - TEXT_COLOR_THREDHOLD && turnPageRate_ > 1.0f - TEXT_COLOR_THREDHOLD) {
2953             UpdateTextColorAndFontWeight(swiperStartIndex_);
2954         }
2955         turnPageRate_ = turnPageRate;
2956     }
2957     auto originalPaintRect = layoutProperty->GetIndicatorRect(swiperStartIndex_);
2958     auto targetPaintRect = layoutProperty->GetIndicatorRect(index);
2959     auto paintRectDiff = std::abs(targetPaintRect.GetX() + targetPaintRect.Width() / 2 - originalPaintRect.GetX() -
2960                                   originalPaintRect.Width() / 2);
2961 
2962     currentIndicatorOffset_ = originalPaintRect.GetX() + originalPaintRect.Width() / 2 + paintRectDiff * turnPageRate_;
2963     if (isRtl) {
2964         auto originalPaintRect = layoutProperty->GetIndicatorRect(swiperStartIndex_ + 1);
2965         auto targetPaintRect = layoutProperty->GetIndicatorRect(swiperStartIndex_ >= 0 ? swiperStartIndex_ : 0);
2966         auto paintRectDiff = std::abs(targetPaintRect.GetX() + targetPaintRect.Width() / HALF_OF_WIDTH -
2967                                       originalPaintRect.GetX() - originalPaintRect.Width() / HALF_OF_WIDTH);
2968         currentIndicatorOffset_ =
2969             originalPaintRect.GetX() + originalPaintRect.Width() / HALF_OF_WIDTH + paintRectDiff * (1 - turnPageRate_);
2970     }
2971     host->MarkDirtyNode(PROPERTY_UPDATE_RENDER);
2972 }
2973 
InitTurnPageRateEvent()2974 void TabBarPattern::InitTurnPageRateEvent()
2975 {
2976     auto turnPageRateCallback = [weak = WeakClaim(this)](int32_t swipingIndex, float turnPageRate) {
2977         auto pattern = weak.Upgrade();
2978         if (pattern) {
2979             if (!pattern->CheckSwiperDisable() && pattern->axis_ == Axis::HORIZONTAL && pattern->isTouchingSwiper_) {
2980                 pattern->swiperStartIndex_ = swipingIndex;
2981                 pattern->ApplyTurnPageRateToIndicator(turnPageRate);
2982             } else if (!pattern->isAnimating_) {
2983                 pattern->turnPageRate_ = 0.0f;
2984             }
2985         }
2986     };
2987     swiperController_->SetTurnPageRateCallback(std::move(turnPageRateCallback));
2988 
2989     auto host = GetHost();
2990     CHECK_NULL_VOID(host);
2991     auto tabsNode = AceType::DynamicCast<TabsNode>(host->GetParent());
2992     CHECK_NULL_VOID(tabsNode);
2993     auto swiperNode = AceType::DynamicCast<FrameNode>(tabsNode->GetTabs());
2994     CHECK_NULL_VOID(swiperNode);
2995     auto eventHub = swiperNode->GetEventHub<SwiperEventHub>();
2996     CHECK_NULL_VOID(eventHub);
2997     if (!animationStartEvent_) {
2998         AnimationStartEvent animationStartEvent =
2999             [weak = WeakClaim(this)](int32_t index, int32_t targetIndex, const AnimationCallbackInfo& info) {
3000                 auto pattern = weak.Upgrade();
3001                 if (pattern) {
3002                     pattern->HandleBottomTabBarAnimation(targetIndex);
3003                 }
3004             };
3005         animationStartEvent_ = std::make_shared<AnimationStartEvent>(std::move(animationStartEvent));
3006         eventHub->AddAnimationStartEvent(animationStartEvent_);
3007     }
3008     if (!animationEndEvent_) {
3009         AnimationEndEvent animationEndEvent =
3010             [weak = WeakClaim(this)](int32_t index, const AnimationCallbackInfo& info) {
3011                 PerfMonitor::GetPerfMonitor()->End(PerfConstants::APP_TAB_SWITCH, true);
3012                 auto pattern = weak.Upgrade();
3013                 if (pattern && (NearZero(pattern->turnPageRate_) || NearEqual(pattern->turnPageRate_, 1.0f))) {
3014                     pattern->isTouchingSwiper_ = false;
3015                 }
3016                 pattern->SetMaskAnimationExecuted(false);
3017             };
3018         animationEndEvent_ = std::make_shared<AnimationEndEvent>(std::move(animationEndEvent));
3019         eventHub->AddAnimationEndEvent(animationEndEvent_);
3020     }
3021 }
3022 
HandleBottomTabBarAnimation(int32_t index)3023 void TabBarPattern::HandleBottomTabBarAnimation(int32_t index)
3024 {
3025     auto preIndex = GetImageColorOnIndex().value_or(indicator_);
3026     if (preIndex < 0 || preIndex >= static_cast<int32_t>(tabBarStyles_.size())
3027         || index < 0 || index >= static_cast<int32_t>(tabBarStyles_.size())) {
3028         return;
3029     }
3030     if (tabBarStyles_[preIndex] != TabBarStyle::BOTTOMTABBATSTYLE &&
3031         tabBarStyles_[index] != TabBarStyle::BOTTOMTABBATSTYLE) {
3032         return;
3033     }
3034     if (preIndex != index) {
3035         auto host = GetHost();
3036         CHECK_NULL_VOID(host);
3037         auto tabsNode = AceType::DynamicCast<TabsNode>(host->GetParent());
3038         CHECK_NULL_VOID(tabsNode);
3039         auto tabsPattern = tabsNode->GetPattern<TabsPattern>();
3040         CHECK_NULL_VOID(tabsPattern);
3041         auto onChangeEvent = tabsPattern->GetChangeEvent();
3042         if (onChangeEvent) {
3043             (*onChangeEvent)(preIndex, index);
3044         }
3045         auto onIndexChangeEvent = tabsPattern->GetIndexChangeEvent();
3046         if (onIndexChangeEvent) {
3047             (*onIndexChangeEvent)(index);
3048         }
3049     }
3050     SetMaskAnimationExecuted(true);
3051 }
3052 
GetLeftPadding() const3053 float TabBarPattern::GetLeftPadding() const
3054 {
3055     auto host = GetHost();
3056     CHECK_NULL_RETURN(host, 0.0f);
3057     auto geometryNode = host->GetGeometryNode();
3058     CHECK_NULL_RETURN(geometryNode, 0.0f);
3059     if (!geometryNode->GetPadding()) {
3060         return 0.0f;
3061     }
3062     return geometryNode->GetPadding()->left.value_or(0.0f);
3063 }
3064 
UpdateAnimationDuration()3065 void TabBarPattern::UpdateAnimationDuration()
3066 {
3067     if (animationDuration_.has_value() && animationDuration_.value() >= 0) {
3068         return;
3069     }
3070 
3071     std::optional<int32_t> duration;
3072     auto pipelineContext = PipelineContext::GetCurrentContext();
3073     CHECK_NULL_VOID(pipelineContext);
3074     auto tabTheme = pipelineContext->GetTheme<TabTheme>();
3075     CHECK_NULL_VOID(tabTheme);
3076     auto host = GetHost();
3077     CHECK_NULL_VOID(host);
3078     auto tabsNode = AceType::DynamicCast<TabsNode>(host->GetParent());
3079     CHECK_NULL_VOID(tabsNode);
3080     auto swiperNode = AceType::DynamicCast<FrameNode>(tabsNode->GetTabs());
3081     CHECK_NULL_VOID(swiperNode);
3082     auto swiperPaintProperty = swiperNode->GetPaintProperty<SwiperPaintProperty>();
3083     CHECK_NULL_VOID(swiperPaintProperty);
3084     duration = static_cast<int32_t>(tabTheme->GetTabContentAnimationDuration());
3085     if ((Container::GreatOrEqualAPIVersion(PlatformVersion::VERSION_ELEVEN) &&
3086         std::count(tabBarStyles_.begin(), tabBarStyles_.end(), TabBarStyle::BOTTOMTABBATSTYLE)) ||
3087         (!animationDuration_.has_value() && Container::LessThanAPIVersion(PlatformVersion::VERSION_ELEVEN))) {
3088         duration = 0;
3089     }
3090     SetAnimationDuration(duration.value());
3091     swiperPaintProperty->UpdateDuration(duration.value());
3092 }
3093 
DumpAdvanceInfo()3094 void TabBarPattern::DumpAdvanceInfo()
3095 {
3096     isRTL_ ? DumpLog::GetInstance().AddDesc("isRTL:true") : DumpLog::GetInstance().AddDesc("isRTL:false");
3097     touching_ ? DumpLog::GetInstance().AddDesc("touching:true") : DumpLog::GetInstance().AddDesc("touching:false");
3098     isMaskAnimationByCreate_ ? DumpLog::GetInstance().AddDesc("isMaskAnimationByCreate:true")
3099                              : DumpLog::GetInstance().AddDesc("isMaskAnimationByCreate:false");
3100     animationDuration_.has_value()
3101         ? DumpLog::GetInstance().AddDesc("animationDuration:" + std::to_string(animationDuration_.value()))
3102         : DumpLog::GetInstance().AddDesc("animationDuration:null");
3103     isFirstFocus_ ? DumpLog::GetInstance().AddDesc("isFirstFocus:true")
3104                   : DumpLog::GetInstance().AddDesc("isFirstFocus:false");
3105     isTouchingSwiper_ ? DumpLog::GetInstance().AddDesc("isTouchingSwiper:true")
3106                       : DumpLog::GetInstance().AddDesc("isTouchingSwiper:false");
3107     isAnimating_ ? DumpLog::GetInstance().AddDesc("isAnimating:true")
3108                  : DumpLog::GetInstance().AddDesc("isAnimating:false");
3109     changeByClick_ ? DumpLog::GetInstance().AddDesc("changeByClick:true")
3110                    : DumpLog::GetInstance().AddDesc("changeByClick:false");
3111     DumpLog::GetInstance().AddDesc("indicator:" + std::to_string(indicator_));
3112     DumpLog::GetInstance().AddDesc("focusIndicator:" + std::to_string(focusIndicator_));
3113     DumpLog::GetInstance().AddDesc("currentIndicatorOffset:" + std::to_string(currentIndicatorOffset_));
3114     DumpLog::GetInstance().AddDesc("turnPageRate:" + std::to_string(turnPageRate_));
3115     DumpLog::GetInstance().AddDesc("swiperStartIndex:" + std::to_string(swiperStartIndex_));
3116     DumpLog::GetInstance().AddDesc("scrollMargin:" + std::to_string(scrollMargin_));
3117     std::string regionString = std::string("region:");
3118     for (auto item : gradientRegions_) {
3119         item ? regionString.append("true ") : regionString.append("false ");
3120     }
3121     DumpLog::GetInstance().AddDesc(regionString);
3122     switch (axis_) {
3123         case Axis::NONE: {
3124             DumpLog::GetInstance().AddDesc("Axis:NONE");
3125             break;
3126         }
3127         case Axis::HORIZONTAL: {
3128             DumpLog::GetInstance().AddDesc("Axis:HORIZONTAL");
3129             break;
3130         }
3131         case Axis::FREE: {
3132             DumpLog::GetInstance().AddDesc("Axis:FREE");
3133             break;
3134         }
3135         case Axis::VERTICAL: {
3136             DumpLog::GetInstance().AddDesc("Axis:VERTICAL");
3137             break;
3138         }
3139         default: {
3140             break;
3141         }
3142     }
3143 }
3144 
ContentWillChange(int32_t comingIndex)3145 bool TabBarPattern::ContentWillChange(int32_t comingIndex)
3146 {
3147     auto swiperPattern = GetSwiperPattern();
3148     CHECK_NULL_RETURN(swiperPattern, true);
3149     int32_t currentIndex = swiperPattern->GetCurrentIndex();
3150     return ContentWillChange(currentIndex, comingIndex);
3151 }
3152 
ContentWillChange(int32_t currentIndex,int32_t comingIndex)3153 bool TabBarPattern::ContentWillChange(int32_t currentIndex, int32_t comingIndex)
3154 {
3155     auto host = GetHost();
3156     CHECK_NULL_RETURN(host, true);
3157     auto tabsNode = AceType::DynamicCast<TabsNode>(host->GetParent());
3158     CHECK_NULL_RETURN(tabsNode, true);
3159     auto tabsPattern = tabsNode->GetPattern<TabsPattern>();
3160     CHECK_NULL_RETURN(tabsPattern, true);
3161     if (tabsPattern->GetInterceptStatus() && currentIndex != comingIndex) {
3162         auto ret = tabsPattern->OnContentWillChange(currentIndex, comingIndex);
3163         return ret.has_value() ? ret.value() : true;
3164     }
3165     return true;
3166 }
3167 
ParseTabsIsRtl()3168 bool TabBarPattern::ParseTabsIsRtl()
3169 {
3170     auto host = GetHost();
3171     CHECK_NULL_RETURN(host, false);
3172     auto tabsNode = AceType::DynamicCast<FrameNode>(host->GetParent());
3173     CHECK_NULL_RETURN(tabsNode, false);
3174     auto tabLayoutProperty = AceType::DynamicCast<TabsLayoutProperty>(tabsNode->GetLayoutProperty());
3175     CHECK_NULL_RETURN(tabLayoutProperty, false);
3176     auto isRTL = tabLayoutProperty->GetNonAutoLayoutDirection() == TextDirection::RTL;
3177     return isRTL;
3178 }
3179 
IsValidIndex(int32_t index)3180 bool TabBarPattern::IsValidIndex(int32_t index)
3181 {
3182     if (index < 0 || index >= static_cast<int32_t>(tabBarStyles_.size()) ||
3183         tabBarStyles_[index] != TabBarStyle::SUBTABBATSTYLE || index >= static_cast<int32_t>(selectedModes_.size()) ||
3184         selectedModes_[index] != SelectedMode::INDICATOR) {
3185         return false;
3186     }
3187     return true;
3188 }
3189 
GetLoopIndex(int32_t originalIndex) const3190 int32_t TabBarPattern::GetLoopIndex(int32_t originalIndex) const
3191 {
3192     auto host = GetHost();
3193     CHECK_NULL_RETURN(host, originalIndex);
3194     auto totalCount = host->TotalChildCount() - MASK_COUNT;
3195     if (totalCount <= 0) {
3196         return originalIndex;
3197     }
3198     return originalIndex % totalCount;
3199 }
3200 } // namespace OHOS::Ace::NG
3201