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 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_SELECT_SELECT_ELEMENT_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_SELECT_SELECT_ELEMENT_H
18 
19 #include "core/common/container.h"
20 #include "core/components/text/text_component.h"
21 #include "core/pipeline/base/sole_child_element.h"
22 
23 namespace OHOS::Ace {
24 
25 class SelectElement : public SoleChildElement, public FocusNode {
26     DECLARE_ACE_TYPE(SelectElement, SoleChildElement, FocusNode);
27 
28 public:
29     void PerformBuild() override;
30 
CanUpdate(const RefPtr<Component> & newComponent)31     bool CanUpdate(const RefPtr<Component>& newComponent) override
32     {
33         auto context = context_.Upgrade();
34         if (context && context->GetIsDeclarative()) {
35             return true;
36         } else {
37             return false;
38         }
39     }
40 
41     void FlushRefresh();
42 
43 protected:
44     void OnClick() override;
45     void OnFocus() override;
46     void OnBlur() override;
47 
48 private:
49     void HandleClickedEvent();
50     void HandleTouchEvent(bool isDown);
51     void HandleOptionClickedEvent(std::size_t index);
52     void HandleOptionModifiedEvent(std::size_t index);
53     Corner GetCorner() const;
54     void SetBackgroundColor(bool isDown, const Color& color);
55     void CreateColorAnimation(RefPtr<KeyframeAnimation<Color>>& animation,
56         const Color& from, const Color& to, bool isDown);
57     void PlayEventEffectAnimation(bool isDown, const Color& endColor);
58     RefPtr<RenderNode> GetRenderText() const;
59     RefPtr<RenderNode> GetRenderBox() const;
60 
61     RefPtr<Component> dataComponent_;
62     std::function<void(const std::string&)> onChangeCallback_;
63     Dimension normalPadding_;
64     Color eventEffectColor_ = Color::TRANSPARENT;
65     RefPtr<Animator> eventEffectController_;
66     std::function<void(std::size_t, std::string)> onSelected_;
67 };
68 
69 } // namespace OHOS::Ace
70 
71 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_SELECT_SELECT_ELEMENT_H
72