1 /*
2  * Copyright (c) 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_NG_MANAGER_SHARED_OVERLAY_SHARED_OVERLAY_MANAGER_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_MANAGER_SHARED_OVERLAY_SHARED_OVERLAY_MANAGER_H
18 
19 #include "base/memory/ace_type.h"
20 #include "base/memory/referenced.h"
21 #include "base/utils/noncopyable.h"
22 #include "core/animation/animator.h"
23 #include "core/components_ng/manager/shared_overlay/shared_transition_effect.h"
24 
25 namespace OHOS::Ace::NG {
26 class FrameNode;
27 
28 // SharedOverlayManager is for root render node to perform shared transition.
29 class ACE_EXPORT SharedOverlayManager : public AceType {
30     DECLARE_ACE_TYPE(SharedOverlayManager, AceType);
31 
32 public:
SharedOverlayManager(const RefPtr<FrameNode> & sharedManager)33     explicit SharedOverlayManager(const RefPtr<FrameNode>& sharedManager) : sharedManager_(sharedManager) {};
34     ~SharedOverlayManager() override = default;
35 
36     void StartSharedTransition(const RefPtr<FrameNode>& pageSrc, const RefPtr<FrameNode>& pageDest);
37     void StopSharedTransition();
38     bool OnBackPressed();
39 
40 private:
41     void PrepareSharedTransition(const RefPtr<FrameNode>& pageSrc, const RefPtr<FrameNode>& pageDest);
42     void ClearAllEffects();
43     void CheckAndPrepareTransition(std::list<RefPtr<SharedTransitionEffect>>& effects,
44         std::list<RefPtr<SharedTransitionEffect>>& effectiveEffects);
45     bool PrepareEachTransition(const RefPtr<SharedTransitionEffect>& effect);
46     bool CheckIn(const RefPtr<SharedTransitionEffect>& effect);
47     bool AboardShuttle(const RefPtr<SharedTransitionEffect>& effect);
48     void GetOffShuttle(const RefPtr<SharedTransitionEffect>& effect);
49     void PassengerAboard(const RefPtr<SharedTransitionEffect>& effect, const RefPtr<FrameNode>& passenger);
50 
51     RefPtr<FrameNode> sharedManager_;
52     OffsetF pageOffset_;
53     std::list<RefPtr<SharedTransitionEffect>> effects_;
54 
55     ACE_DISALLOW_COPY_AND_MOVE(SharedOverlayManager);
56 };
57 } // namespace OHOS::Ace::NG
58 
59 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_MANAGER_SHARED_OVERLAY_SHARED_OVERLAY_MANAGER_H
60