1 /*
2  * Copyright (c) 2021 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_STAGE_RENDER_STAGE_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_STAGE_RENDER_STAGE_H
18 
19 #include "core/animation/animator.h"
20 #include "core/components/stack/render_stack.h"
21 #include "core/gestures/drag_recognizer.h"
22 
23 namespace OHOS::Ace {
24 
25 class RenderStage : public RenderStack {
26     DECLARE_ACE_TYPE(RenderStage, RenderStack);
27 
28 public:
29     ~RenderStage() override = default;
30 
31     static RefPtr<RenderNode> Create();
32 
33     void Update(const RefPtr<Component>& component) override;
34 
35     void OnTouchTestHit(
36         const Offset& coordinateOffset, const TouchRestrict& touchRestrict, TouchTestResult& result) override;
37 
SetForbidSwipeToRight(bool forbidSwipeToRight)38     void SetForbidSwipeToRight(bool forbidSwipeToRight)
39     {
40         forbidSwipeToRight_ = forbidSwipeToRight;
41     }
42 
43 private:
44     void WatchDragToBack();
45 
46     void HandleDragUpdate(double deltaX);
47 
48     void HandleDragStart();
49 
50     void HandleDragEnd();
51 
52     void GetControllers();
53 
54     RefPtr<Animator> controllerIn_;
55     RefPtr<Animator> controllerOut_;
56     RefPtr<DragRecognizer> dragDetector_;
57     double dragOffsetX_ = 0.0;
58     double tickTime_ = 0.0;
59     bool isRightToLeft_ = false;
60     bool forbidSwipeToRight_ = false;
61 };
62 
63 } // namespace OHOS::Ace
64 
65 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_STAGE_RENDER_STAGE_H
66