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1 /*
2  * Copyright (c) 2021-2022 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/display/render_display.h"
17 
18 #include "base/log/dump_log.h"
19 #include "base/log/event_report.h"
20 #include "core/accessibility/accessibility_node.h"
21 #include "core/animation/curve_animation.h"
22 #include "core/components/common/layout/constants.h"
23 
24 namespace OHOS::Ace {
25 
Update(const RefPtr<Component> & component)26 void RenderDisplay::Update(const RefPtr<Component>& component)
27 {
28     const RefPtr<DisplayComponent> display = AceType::DynamicCast<DisplayComponent>(component);
29     if (!display) {
30         LOGE("RenderDisplay update with nullptr");
31         EventReport::SendRenderException(RenderExcepType::RENDER_COMPONENT_ERR);
32         return;
33     }
34     displayComponent_ = display;
35     bool needAppearingCard = false;
36     if ((visible_ == VisibleType::GONE) && (display->GetVisible() != VisibleType::GONE)) {
37         needAppearingCard = true;
38     }
39     UpdateVisibleType(display->GetVisible());
40     duration_ = display->GetAppearingDuration();
41     transitionOpacity_ = display->GetOpacity();
42     disappearingOpacity_ = display->GetDisappearingOpacity();
43     appearingOpacity_ = display->GetAppearingOpacity();
44     hasDisappearTransition_ = display->HasDisappearTransition();
45     hasAppearTransition_ = display->HasAppearTransition();
46     backgroundMask_ = display->GetBackgroundMask();
47     if (!hasDisappearTransition_) {
48         pendingAppearing_ = false;
49     }
50     if (!pendingAppearing_) {
51         animatableOpacity_ = AnimatableDouble(display->GetOpacity(), display->GetOpacityAnimationOption());
52     }
53     double opacity = std::min(std::max(animatableOpacity_.GetValue(), 0.0), 1.0);
54     if (disableLayer_ != display->IsDisableLayer()) {
55         // recover opacity in child
56         UpdateOpacity(UINT8_MAX);
57         disableLayer_ = display->IsDisableLayer();
58     }
59     opacity_ = static_cast<uint8_t>(round(opacity * UINT8_MAX));
60     auto limitDuration = GetCardAppearingDuration();
61     if (duration_ > 0 && limitDuration > 0 && needAppearingCard) {
62         CreateAppearingAnimation(opacity_, limitDuration);
63         opacity_ = 0;
64         animator_->Play();
65     }
66 
67     if (display->HasStateAttributes()) {
68         stateAttributeList_ = display->GetStateAttributes();
69     }
70     OnStatusStyleChanged(VisualState::NORMAL);
71     SetShadow(display->GetShadow());
72     MarkNeedLayout();
73 }
74 
PerformLayout()75 void RenderDisplay::PerformLayout()
76 {
77     if (pendingAppearing_) {
78         if (animatableOpacity_.GetAnimationStatus() != Animator::Status::RUNNING) {
79             animatableOpacity_.MoveTo(appearingOpacity_);
80         }
81         // appearing transition do not need stop callback anymore.
82         animatableOpacity_.SetAnimationStopCallback(nullptr);
83         animatableOpacity_ = AnimatableDouble(opacity_ / (1.0 * UINT8_MAX));
84         pendingAppearing_ = false;
85     }
86     LayoutParam layoutParam = GetLayoutParam();
87     if (visible_ == VisibleType::GONE) {
88         layoutParam.SetMinSize(Size());
89         layoutParam.SetMaxSize(Size());
90         SetVisible(false);
91     } else if (visible_ == VisibleType::INVISIBLE) {
92         SetVisible(false);
93     }
94     Size childSize;
95     if (!GetChildren().empty()) {
96         const auto& child = GetChildren().front();
97         child->Layout(layoutParam);
98         childSize = child->GetLayoutSize();
99         child->SetPosition(Offset());
100     }
101     SetLayoutSize(childSize);
102 }
103 
GetOpacityCallbacks()104 void RenderDisplay::GetOpacityCallbacks()
105 {
106     opacityCallbacks_.clear();
107     if (!disableLayer_) {
108         return;
109     }
110     GetDomOpacityCallbacks(GetNodeId(), opacityCallbacks_);
111 }
112 
Dump()113 void RenderDisplay::Dump()
114 {
115     DumpLog::GetInstance().AddDesc(
116         std::string("Display: ")
117             .append(visible_ == VisibleType::VISIBLE ? "visible"
118                                                         : visible_ == VisibleType::INVISIBLE ? "invisible" : "gone"));
119     DumpLog::GetInstance().AddDesc(std::string("Opacity: ").append(std::to_string(animatableOpacity_.GetValue())));
120 }
121 
GetVisible() const122 bool RenderDisplay::GetVisible() const
123 {
124     return RenderNode::GetVisible() && (visible_ == VisibleType::VISIBLE);
125 }
126 
OnOpacityDisappearingCallback()127 void RenderDisplay::OnOpacityDisappearingCallback()
128 {
129     LOGD("OnOpacityDisappearingCallback");
130     RefPtr<RenderNode> child = AceType::Claim(this);
131     while (child && !child->IsDisappearing()) {
132         child = child->GetParent().Upgrade();
133     }
134     if (!child) {
135         return;
136     }
137     auto parent = child->GetParent().Upgrade();
138     if (parent) {
139         parent->ClearDisappearingNode(child);
140     }
141 }
142 
OnOpacityAnimationCallback()143 void RenderDisplay::OnOpacityAnimationCallback()
144 {
145     double value = animatableOpacity_.GetValue();
146     opacity_ = static_cast<uint8_t>(round(value * UINT8_MAX));
147     MarkNeedRender();
148     if (disableLayer_) {
149         UpdateOpacity(opacity_);
150     }
151 }
152 
HasDisappearingTransition(int32_t nodeId)153 bool RenderDisplay::HasDisappearingTransition(int32_t nodeId)
154 {
155     return hasDisappearTransition_ || RenderNode::HasDisappearingTransition(nodeId);
156 }
157 
OnTransition(TransitionType type,int32_t id)158 void RenderDisplay::OnTransition(TransitionType type, int32_t id)
159 {
160     LOGD("OnTransition. type: %{public}d, id: %{public}d", type, id);
161     if (type == TransitionType::APPEARING) {
162         pendingAppearing_ = true;
163         MarkNeedLayout();
164     } else if (type == TransitionType::DISAPPEARING) {
165         animatableOpacity_.SetAnimationStopCallback(std::bind(&RenderDisplay::OnOpacityDisappearingCallback, this));
166         animatableOpacity_ = AnimatableDouble(disappearingOpacity_);
167     }
168 }
169 
ClearRenderObject()170 void RenderDisplay::ClearRenderObject()
171 {
172     RenderNode::ClearRenderObject();
173     animatableOpacity_ = 1.0;
174     appearingOpacity_ = 0.0;
175     disappearingOpacity_ = 0.0;
176 }
177 
GetCardAppearingDuration()178 int32_t RenderDisplay::GetCardAppearingDuration()
179 {
180     auto pipeline = context_.Upgrade();
181     if (!pipeline) {
182         LOGE("pipeline context is nullptr");
183         return 0;
184     }
185     auto limitDuration = pipeline->GetAppearingDuration();
186     return limitDuration;
187 }
188 
ResetAppearingAnimation()189 void RenderDisplay::ResetAppearingAnimation()
190 {
191     if (animator_->GetStatus() != Animator::Status::STOPPED) {
192         animator_->Stop();
193     }
194     animator_->ClearInterpolators();
195 }
196 
CreateAppearingAnimation(uint8_t opacity,int32_t limit)197 void RenderDisplay::CreateAppearingAnimation(uint8_t opacity, int32_t limit)
198 {
199     if (!animator_) {
200         animator_ = AceType::MakeRefPtr<Animator>(context_);
201     }
202     ResetAppearingAnimation();
203     if (!appearingAnimation_) {
204         appearingAnimation_ = AceType::MakeRefPtr<CurveAnimation<uint8_t>>(0, opacity, Curves::FRICTION);
205     }
206     appearingAnimation_->AddListener([weak = WeakClaim(this)](const uint8_t value) {
207         auto display = weak.Upgrade();
208         if (display) {
209             display->UpdateOpacity(value);
210         }
211     });
212     animator_->AddInterpolator(appearingAnimation_);
213     animator_->SetDuration(std::min(duration_, limit));
214 }
215 
OnStatusStyleChanged(VisualState componentState)216 void RenderDisplay::OnStatusStyleChanged(VisualState componentState)
217 {
218     RenderNode::OnStatusStyleChanged(componentState);
219     if (stateAttributeList_ == nullptr) {
220         return;
221     }
222 
223     bool updated = false;
224     for (auto& attribute : stateAttributeList_->GetAttributesForState(componentState)) {
225         updated = true;
226         switch (attribute->id_) {
227             case DisplayStateAttribute::OPACITY: {
228                 auto opacityState =
229                     AceType::DynamicCast<StateAttributeValue<DisplayStateAttribute, AnimatableDouble>>(attribute);
230                 if (!pendingAppearing_) {
231                     animatableOpacity_ = opacityState->value_;
232                 }
233                 opacity_ = static_cast<uint8_t>(round(animatableOpacity_.GetValue() * UINT8_MAX));
234             } break;
235             default:
236                 break;
237         }
238     }
239     if (updated) {
240         MarkNeedLayout();
241     }
242 }
243 
OnVisibleChange(VisibleType type)244 void RenderDisplay::OnVisibleChange(VisibleType type)
245 {
246     auto display = displayComponent_.Upgrade();
247     if (display && !display->GetVisibleChangeEvent().IsEmpty()) {
248         auto event = AceSyncEvent<void(const std::shared_ptr<BaseEventInfo>&)>::Create(
249             display->GetVisibleChangeEvent(), context_);
250         switch (type) {
251             case VisibleType::VISIBLE:
252                 event(std::make_shared<BaseEventInfo>("0"));
253                 break;
254             case VisibleType::INVISIBLE:
255                 event(std::make_shared<BaseEventInfo>("1"));
256                 break;
257             case VisibleType::GONE:
258                 event(std::make_shared<BaseEventInfo>("2"));
259                 break;
260             default:
261                 break;
262         }
263     }
264     auto accessibilityNode = GetAccessibilityNode().Upgrade();
265     if (accessibilityNode) {
266         accessibilityNode->SetVisible(GetVisible());
267     }
268 }
269 
UpdateVisibleType(VisibleType type)270 void RenderDisplay::UpdateVisibleType(VisibleType type)
271 {
272     if (visible_ != type) {
273         visible_ = type;
274         SetVisible(visible_ == VisibleType::VISIBLE);
275         MarkNeedLayout();
276         OnVisibleChange(type);
277     }
278 }
279 
SetVisible(bool visible,bool inRecursion)280 void RenderDisplay::SetVisible(bool visible, bool inRecursion)
281 {
282     RenderNode::SetVisible(visible, inRecursion);
283 }
284 
285 } // namespace OHOS::Ace
286