85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_ORIENTATION_ANIMATION_H
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#define ANDROID_ORIENTATION_ANIMATION_H
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#include <stdint.h>
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#include <sys/types.h>
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#include "SurfaceFlinger.h"
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namespace android {
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// ---------------------------------------------------------------------------
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class SurfaceFlinger;
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class MemoryDealer;
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class LayerOrientationAnim;
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class OrientationAnimation
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{
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public:
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OrientationAnimation(const sp<SurfaceFlinger>& flinger);
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virtual ~OrientationAnimation();
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void onOrientationChanged(uint32_t type);
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void onAnimationFinished();
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inline bool run() {
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if (LIKELY(mState == DONE))
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return done_impl();
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return run_impl();
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}
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private:
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enum {
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DONE = 0,
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PREPARE,
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PHASE1,
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PHASE2,
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FINISH
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};
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bool run_impl();
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inline bool done_impl() {
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if (mFlinger->isFrozen()) {
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// we are not allowed to draw, but pause a bit to make sure
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// apps don't end up using the whole CPU, if they depend on
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// surfaceflinger for synchronization.
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usleep(8333); // 8.3ms ~ 120fps
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return true;
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}
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return false;
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}
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bool done();
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bool prepare();
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bool phase1();
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bool phase2();
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bool finished();
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sp<SurfaceFlinger> mFlinger;
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sp< LayerOrientationAnimBase > mLayerOrientationAnim;
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int mState;
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uint32_t mType;
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_ORIENTATION_ANIMATION_H
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