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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 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_SELECT_SELECT_PATTERN_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_SELECT_SELECT_PATTERN_H
18 
19 #include <cstdint>
20 #include <optional>
21 
22 #include "base/memory/referenced.h"
23 #include "base/utils/utils.h"
24 #include "core/components/common/properties/color.h"
25 #include "core/components/common/properties/text_style.h"
26 #include "core/components/select/select_theme.h"
27 #include "core/components/theme/icon_theme.h"
28 #include "core/components_ng/base/frame_node.h"
29 #include "core/components_ng/event/event_hub.h"
30 #include "core/components_ng/pattern/pattern.h"
31 #include "core/components_ng/pattern/select/select_accessibility_property.h"
32 #include "core/components_ng/pattern/select/select_event_hub.h"
33 #include "core/components_ng/pattern/select/select_layout_algorithm.h"
34 #include "core/components_ng/pattern/select/select_model.h"
35 #include "core/components_ng/pattern/select/select_paint_property.h"
36 #include "core/components_ng/pattern/text/text_layout_property.h"
37 #include "core/components_ng/pattern/select/select_model_ng.h"
38 
39 namespace OHOS::Ace::NG {
40 class InspectorFilter;
41 
42 class SelectPattern : public Pattern {
43     DECLARE_ACE_TYPE(SelectPattern, Pattern);
44 
45 public:
46     SelectPattern() = default;
47     ~SelectPattern() override = default;
48 
IsAtomicNode()49     bool IsAtomicNode() const override
50     {
51         return false;
52     }
53 
CreateAccessibilityProperty()54     RefPtr<AccessibilityProperty> CreateAccessibilityProperty() override
55     {
56         return MakeRefPtr<SelectAccessibilityProperty>();
57     }
58 
CreateLayoutAlgorithm()59     RefPtr<LayoutAlgorithm> CreateLayoutAlgorithm() override
60     {
61         return MakeRefPtr<SelectLayoutAlgorithm>();
62     }
63 
CreateEventHub()64     RefPtr<EventHub> CreateEventHub() override
65     {
66         return MakeRefPtr<SelectEventHub>();
67     }
68 
69     void BuildChild();
70 
SetMenuNode(const RefPtr<FrameNode> & menuWrapper)71     void SetMenuNode(const RefPtr<FrameNode>& menuWrapper)
72     {
73         menuWrapper_ = menuWrapper;
74     }
75 
GetMenuWrapper()76     const RefPtr<FrameNode>& GetMenuWrapper() const
77     {
78         return menuWrapper_;
79     }
80 
GetMenuNode()81     RefPtr<FrameNode> GetMenuNode() const
82     {
83         CHECK_NULL_RETURN(menuWrapper_, nullptr);
84         return DynamicCast<FrameNode>(menuWrapper_->GetChildAtIndex(0));
85     }
86 
SetSelectSize(const SizeF & selectSize)87     void SetSelectSize(const SizeF& selectSize)
88     {
89         selectSize_ = selectSize;
90     }
GetSelectSize()91     SizeF GetSelectSize() const
92     {
93         return selectSize_;
94     }
95 
96     void AddOptionNode(const RefPtr<FrameNode>& option);
97 
ClearOptions()98     void ClearOptions()
99     {
100         options_.clear();
101     }
102 
InitSelected()103     void InitSelected()
104     {
105         selected_ = -1;
106     }
107 
GetSelected()108     int32_t GetSelected() const
109     {
110         return selected_;
111     }
112 
113     void SetSelected(int32_t index);
114 
115     // set properties of text node
116     void SetValue(const std::string& value);
117     void SetFontSize(const Dimension& value);
118     void SetItalicFontStyle(const Ace::FontStyle& value);
119     void SetFontWeight(const FontWeight& value);
120     void SetFontFamily(const std::vector<std::string>& value);
121     void SetFontColor(const Color& color);
122 
123     // set props of option nodes
124     void SetOptionBgColor(const Color& color);
125     void SetOptionFontSize(const Dimension& value);
126     void SetOptionItalicFontStyle(const Ace::FontStyle& value);
127     void SetOptionFontWeight(const FontWeight& value);
128     void SetOptionFontFamily(const std::vector<std::string>& value);
129     void SetOptionFontColor(const Color& color);
130 
131     // set props of option node when selected
132     void SetSelectedOptionBgColor(const Color& color);
133     void SetSelectedOptionFontSize(const Dimension& value);
134     void SetSelectedOptionItalicFontStyle(const Ace::FontStyle& value);
135     void SetSelectedOptionFontWeight(const FontWeight& value);
136     void SetSelectedOptionFontFamily(const std::vector<std::string>& value);
137     void SetSelectedOptionFontColor(const Color& color);
138 
139     // set props of menu background
140     void SetMenuBackgroundColor(const Color& color);
141     void SetMenuBackgroundBlurStyle(const BlurStyleOption& blurStyle);
142 
143     // Get functions for unit tests
144     const std::vector<RefPtr<FrameNode>>& GetOptions();
145 
GetFocusPattern()146     FocusPattern GetFocusPattern() const override
147     {
148         FocusPattern focusPattern = { FocusType::NODE, true, FocusStyleType::INNER_BORDER };
149         auto pipelineContext = PipelineBase::GetCurrentContext();
150         CHECK_NULL_RETURN(pipelineContext, focusPattern);
151         auto selectTheme = pipelineContext->GetTheme<SelectTheme>();
152         CHECK_NULL_RETURN(selectTheme, focusPattern);
153         auto focusStyleType =
154             static_cast<FocusStyleType>(static_cast<int32_t>(selectTheme->GetSelectFocusStyleType_()));
155         focusPattern.SetStyleType(focusStyleType);
156         return focusPattern;
157     }
158 
159     // update selected option props
160     void UpdateSelectedProps(int32_t index);
161 
162     void UpdateLastSelectedProps(int32_t index);
163 
164     // reset options props when selected index is -1
165     void ResetOptionProps();
166 
SetBgBlendColor(const Color & color)167     void SetBgBlendColor(const Color& color)
168     {
169         bgBlendColor_ = color;
170     }
171 
GetBgBlendColor()172     Color GetBgBlendColor() const
173     {
174         return bgBlendColor_;
175     }
176 
SetIsHover(bool isHover)177     void SetIsHover(bool isHover)
178     {
179         isHover_ = isHover;
180     }
181 
IsHover()182     bool IsHover() const
183     {
184         return isHover_;
185     }
186 
187     void SetItemSelected(int index, const std::string& value);
188     void PlayBgColorAnimation(bool isHoverChange = true);
189     void SetSpace(const Dimension& value);
190     void SetArrowPosition(const ArrowPosition value);
191     void SetMenuAlign(const MenuAlign& menuAlign);
192     void SetAvoidance(const Avoidance& avoidance);
193 
194     std::string GetValue();
195     std::string ProvideRestoreInfo() override;
196     void OnRestoreInfo(const std::string& restoreInfo) override;
197     void OnColorConfigurationUpdate() override;
198     void OnLanguageConfigurationUpdate() override;
199     void ShowSelectMenu();
200 
201     Dimension GetFontSize();
202     void SetOptionWidth(const Dimension& value);
203     void SetOptionHeight(const Dimension& value);
204     void SetOptionWidthFitTrigger(bool isFitTrigger);
205     void SetHasOptionWidth(bool hasOptionWidth);
206     void SetControlSize(const ControlSize& controlSize);
207     void SetDivider(const SelectDivider& divider);
208     void SetDividerMode(const std::optional<DividerMode>& mode);
209     ControlSize GetControlSize();
210     void SetLayoutDirection(TextDirection value);
211     Dimension GetSelectLeftRightMargin() const;
212     bool OnThemeScopeUpdate(int32_t themeScopeId) override;
CreatePaintProperty()213     RefPtr<PaintProperty> CreatePaintProperty() override
214     {
215         return MakeRefPtr<SelectPaintProperty>();
216     }
217     void ResetFontColor();
218 
219 private:
220     void OnAttachToFrameNode() override;
221     void OnModifyDone() override;
222     void OnAfterModifyDone() override;
223     bool OnDirtyLayoutWrapperSwap(const RefPtr<LayoutWrapper>& dirty, const DirtySwapConfig& config) override;
224     void HandleFocusStyleTask();
225     void HandleBlurStyleTask();
226     void SetFocusStyle();
227     void ClearFocusStyle();
228     void ModFocusIconStyle(RefPtr<SelectTheme> selectTheme, bool focusedFlag);
229     void InitFocusEvent();
230     void AddIsFocusActiveUpdateEvent();
231     void RemoveIsFocusActiveUpdateEvent();
HasRowNode()232     bool HasRowNode() const
233     {
234         return rowId_.has_value();
235     }
236 
HasTextNode()237     bool HasTextNode() const
238     {
239         return textId_.has_value();
240     }
241 
HasSpinnerNode()242     bool HasSpinnerNode() const
243     {
244         return spinnerId_.has_value();
245     }
246 
GetRowId()247     int32_t GetRowId()
248     {
249         if (!rowId_.has_value()) {
250             rowId_ = ElementRegister::GetInstance()->MakeUniqueId();
251         }
252         return rowId_.value();
253     }
254 
GetTextId()255     int32_t GetTextId()
256     {
257         if (!textId_.has_value()) {
258             textId_ = ElementRegister::GetInstance()->MakeUniqueId();
259         }
260         return textId_.value();
261     }
262 
GetSpinnerId()263     int32_t GetSpinnerId()
264     {
265         if (!spinnerId_.has_value()) {
266             spinnerId_ = ElementRegister::GetInstance()->MakeUniqueId();
267         }
268         return spinnerId_.value();
269     }
270 
271     // change background color when pressed
272     void RegisterOnPress();
273     // change background color when hovered
274     void RegisterOnHover();
275     // add click event to show menu
276     void RegisterOnClick();
277 
278     void RegisterOnKeyEvent();
279     bool OnKeyEvent(const KeyEvent& event);
280 
281     // callback when an option is selected
282     void CreateSelectedCallback();
283     // change text and spinner color if disabled
284     void SetDisabledStyle();
285 
286     // update text to selected option's text
287     void UpdateText(int32_t index);
288 
289     void InitTextProps(const RefPtr<TextLayoutProperty>& textProps);
290     void InitSpinner(
291         const RefPtr<FrameNode>& spinner, const RefPtr<IconTheme>& iconTheme, const RefPtr<SelectTheme>& selectTheme);
292     void InitSpinner(const RefPtr<FrameNode>& spinner, const RefPtr<SelectTheme>& selectTheme);
293     void ResetParams();
294     void UpdateOptionsWidth(float selectWidth);
295     void UpdateTargetSize();
296     bool GetShadowFromTheme(ShadowStyle shadowStyle, Shadow& shadow);
297 
298     std::vector<RefPtr<FrameNode>> options_;
299     RefPtr<FrameNode> menuWrapper_ = nullptr;
300     RefPtr<FrameNode> text_ = nullptr;
301     RefPtr<FrameNode> spinner_ = nullptr;
302     SizeF selectSize_;
303 
304     // index of selected option
305     int32_t selected_ = -1;
306     // props when selected
307     struct OptionFont {
308         // text style when selected
309         std::optional<Dimension> FontSize;
310         std::optional<Ace::FontStyle> FontStyle;
311         std::optional<FontWeight> FontWeight;
312         std::optional<std::vector<std::string>> FontFamily;
313         std::optional<Color> FontColor;
314     };
315     OptionFont selectedFont_;
316     std::optional<Color> selectedBgColor_;
317     OptionFont optionFont_;
318     std::optional<Color> optionBgColor_;
319     std::optional<Color> fontColor_;
320 
321     void ToJsonValue(std::unique_ptr<JsonValue>& json, const InspectorFilter& filter) const override;
322     void ToJsonArrowAndText(std::unique_ptr<JsonValue>& json, const InspectorFilter& filter) const;
323     void ToJsonOptionAlign(std::unique_ptr<JsonValue>& json, const InspectorFilter& filter) const;
324     void ToJsonMenuBackgroundStyle(std::unique_ptr<JsonValue>& json, const InspectorFilter& filter) const;
325     void ToJsonDivider(std::unique_ptr<JsonValue>& json, const InspectorFilter& filter) const;
326     // XTS inspector helper functions
327     std::string InspectorGetOptions() const;
328     std::string InspectorGetSelectedFont() const;
329 
330     std::optional<int32_t> rowId_;
331     std::optional<int32_t> textId_;
332     std::optional<int32_t> spinnerId_;
333 
334     Color bgBlendColor_ = Color::TRANSPARENT;
335     bool isHover_ = false;
336     bool isSelected_ = false;
337     MenuAlign menuAlign_;
338     Avoidance avoidance_;
339     std::string selectValue_;
340     bool isFitTrigger_ = false;
341     ControlSize controlSize_ = ControlSize::NORMAL;
342     bool bgColorModify_ = false;
343     bool scaleModify_ = false;
344     bool shadowModify_ = false;
345     std::function<void(bool)> isFocusActiveUpdateEvent_;
346     bool focusEventInitialized_ = false;
347     bool focusTextColorModify_ = false;
348     ACE_DISALLOW_COPY_AND_MOVE(SelectPattern);
349 };
350 
351 } // namespace OHOS::Ace::NG
352 
353 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_SELECT_SELECT_PATTERN_H
354