1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #ifndef ANIMATORMANAGER_H
17 #define ANIMATORMANAGER_H
18 
19 #include <vector>
20 
21 #include <cutils/compiler.h>
22 #include <utils/StrongPointer.h>
23 
24 #include "TreeInfo.h"
25 #include "utils/Macros.h"
26 
27 namespace android {
28 namespace uirenderer {
29 
30 class AnimationHandle;
31 class BaseRenderNodeAnimator;
32 class RenderNode;
33 
34 // Responsible for managing the animators for a single RenderNode
35 class AnimatorManager {
36     PREVENT_COPY_AND_ASSIGN(AnimatorManager);
37 public:
38     AnimatorManager(RenderNode& parent);
39     ~AnimatorManager();
40 
41     void addAnimator(const sp<BaseRenderNodeAnimator>& animator);
42 
43     void setAnimationHandle(AnimationHandle* handle);
hasAnimationHandle()44     bool hasAnimationHandle() { return mAnimationHandle; }
45 
46     void pushStaging();
47 
48     // Returns the combined dirty mask of all animators run
49     uint32_t animate(TreeInfo& info);
50 
51     void animateNoDamage(TreeInfo& info);
52 
53     // Hard-ends all animators. May only be called on the UI thread.
54     ANDROID_API void endAllStagingAnimators();
55 
56     // Hard-ends all animators that have been pushed. Used for cleanup if
57     // the ActivityContext is being destroyed
58     void endAllActiveAnimators();
59 
hasAnimators()60     bool hasAnimators() { return mAnimators.size(); }
61 
62 private:
63     uint32_t animateCommon(TreeInfo& info);
64 
65     RenderNode& mParent;
66     AnimationHandle* mAnimationHandle;
67 
68     // To improve the efficiency of resizing & removing from the vector
69     // use manual ref counting instead of sp<>.
70     std::vector<BaseRenderNodeAnimator*> mNewAnimators;
71     std::vector<BaseRenderNodeAnimator*> mAnimators;
72 };
73 
74 } /* namespace uirenderer */
75 } /* namespace android */
76 
77 #endif /* ANIMATORMANAGER_H */
78