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 "utils/Macros.h"
25
26namespace android {
27namespace uirenderer {
28
29class AnimationHandle;
30class BaseRenderNodeAnimator;
31class RenderNode;
32class TreeInfo;
33
34// Responsible for managing the animators for a single RenderNode
35class AnimatorManager {
36    PREVENT_COPY_AND_ASSIGN(AnimatorManager);
37public:
38    AnimatorManager(RenderNode& parent);
39    ~AnimatorManager();
40
41    void addAnimator(const sp<BaseRenderNodeAnimator>& animator);
42
43    void setAnimationHandle(AnimationHandle* handle);
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
60    bool hasAnimators() { return mAnimators.size(); }
61
62private:
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