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Diffstat (limited to 'tools/layoutlib/bridge/src/android/animation/AnimationThread.java')
| -rw-r--r-- | tools/layoutlib/bridge/src/android/animation/AnimationThread.java | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/tools/layoutlib/bridge/src/android/animation/AnimationThread.java b/tools/layoutlib/bridge/src/android/animation/AnimationThread.java deleted file mode 100644 index b10ec9fec2ad..000000000000 --- a/tools/layoutlib/bridge/src/android/animation/AnimationThread.java +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.animation; - -import com.android.ide.common.rendering.api.IAnimationListener; -import com.android.ide.common.rendering.api.RenderSession; -import com.android.ide.common.rendering.api.Result; -import com.android.ide.common.rendering.api.Result.Status; -import com.android.layoutlib.bridge.Bridge; -import com.android.layoutlib.bridge.impl.RenderSessionImpl; - -import android.os.Handler; -import android.os.Handler_Delegate; -import android.os.Handler_Delegate.IHandlerCallback; -import android.os.Message; - -import java.util.PriorityQueue; -import java.util.Queue; - -/** - * Abstract animation thread. - * <p/> - * This does not actually start an animation, instead it fakes a looper that will play whatever - * animation is sending messages to its own {@link Handler}. - * <p/> - * Classes should implement {@link #preAnimation()} and {@link #postAnimation()}. - * <p/> - * If {@link #preAnimation()} does not start an animation somehow then the thread doesn't do - * anything. - * - */ -public abstract class AnimationThread extends Thread { - - private static class MessageBundle implements Comparable<MessageBundle> { - final Handler mTarget; - final Message mMessage; - final long mUptimeMillis; - - MessageBundle(Handler target, Message message, long uptimeMillis) { - mTarget = target; - mMessage = message; - mUptimeMillis = uptimeMillis; - } - - @Override - public int compareTo(MessageBundle bundle) { - if (mUptimeMillis < bundle.mUptimeMillis) { - return -1; - } - return 1; - } - } - - private final RenderSessionImpl mSession; - - private Queue<MessageBundle> mQueue = new PriorityQueue<MessageBundle>(); - private final IAnimationListener mListener; - - public AnimationThread(RenderSessionImpl scene, String threadName, - IAnimationListener listener) { - super(threadName); - mSession = scene; - mListener = listener; - } - - public abstract Result preAnimation(); - public abstract void postAnimation(); - - @Override - public void run() { - Bridge.prepareThread(); - try { - /* FIXME: The ANIMATION_FRAME message no longer exists. Instead, the - * animation timing loop is completely based on a Choreographer objects - * that schedules animation and drawing frames. The animation handler is - * no longer even a handler; it is just a Runnable enqueued on the Choreographer. - Handler_Delegate.setCallback(new IHandlerCallback() { - @Override - public void sendMessageAtTime(Handler handler, Message msg, long uptimeMillis) { - if (msg.what == ValueAnimator.ANIMATION_START || - msg.what == ValueAnimator.ANIMATION_FRAME) { - mQueue.add(new MessageBundle(handler, msg, uptimeMillis)); - } else { - // just ignore. - } - } - }); - */ - - // call out to the pre-animation work, which should start an animation or more. - Result result = preAnimation(); - if (result.isSuccess() == false) { - mListener.done(result); - } - - // loop the animation - RenderSession session = mSession.getSession(); - do { - // check early. - if (mListener.isCanceled()) { - break; - } - - // get the next message. - MessageBundle bundle = mQueue.poll(); - if (bundle == null) { - break; - } - - // sleep enough for this bundle to be on time - long currentTime = System.currentTimeMillis(); - if (currentTime < bundle.mUptimeMillis) { - try { - sleep(bundle.mUptimeMillis - currentTime); - } catch (InterruptedException e) { - // FIXME log/do something/sleep again? - e.printStackTrace(); - } - } - - // check after sleeping. - if (mListener.isCanceled()) { - break; - } - - // ready to do the work, acquire the scene. - result = mSession.acquire(250); - if (result.isSuccess() == false) { - mListener.done(result); - return; - } - - // process the bundle. If the animation is not finished, this will enqueue - // the next message, so mQueue will have another one. - try { - // check after acquiring in case it took a while. - if (mListener.isCanceled()) { - break; - } - - bundle.mTarget.handleMessage(bundle.mMessage); - if (mSession.render(false /*freshRender*/).isSuccess()) { - mListener.onNewFrame(session); - } - } finally { - mSession.release(); - } - } while (mListener.isCanceled() == false && mQueue.size() > 0); - - mListener.done(Status.SUCCESS.createResult()); - - } catch (Throwable throwable) { - // can't use Bridge.getLog() as the exception might be thrown outside - // of an acquire/release block. - mListener.done(Status.ERROR_UNKNOWN.createResult("Error playing animation", throwable)); - - } finally { - postAnimation(); - Handler_Delegate.setCallback(null); - Bridge.cleanupThread(); - } - } -} |