66 lines
2.1 KiB
Java
66 lines
2.1 KiB
Java
/*
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* Copyright (C) 2016 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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package com.android.internal.view;
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import android.os.RemoteException;
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import android.view.Surface;
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import android.view.SurfaceHolder;
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public class SurfaceCallbackHelper {
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Runnable mRunnable;
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int mFinishDrawingCollected = 0;
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int mFinishDrawingExpected = 0;
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private Runnable mFinishDrawingRunnable = new Runnable() {
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@Override
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public void run() {
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synchronized (SurfaceCallbackHelper.this) {
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mFinishDrawingCollected++;
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if (mFinishDrawingCollected < mFinishDrawingExpected) {
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return;
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}
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mRunnable.run();
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}
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}
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};
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public SurfaceCallbackHelper(Runnable callbacksCollected) {
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mRunnable = callbacksCollected;
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}
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public void dispatchSurfaceRedrawNeededAsync(SurfaceHolder holder, SurfaceHolder.Callback callbacks[]) {
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if (callbacks == null || callbacks.length == 0) {
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mRunnable.run();
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return;
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}
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synchronized (this) {
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mFinishDrawingExpected = callbacks.length;
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mFinishDrawingCollected = 0;
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}
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for (SurfaceHolder.Callback c : callbacks) {
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if (c instanceof SurfaceHolder.Callback2) {
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((SurfaceHolder.Callback2) c).surfaceRedrawNeededAsync(
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holder, mFinishDrawingRunnable);
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} else {
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mFinishDrawingRunnable.run();
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}
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}
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}
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} |