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/*
* Copyright (C) 2007 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 com.android.camera;
import android.os.Process;
public class CameraThread {
private Thread mThread;
private int mTid;
private boolean mTidSet;
private boolean mFinished;
synchronized private void setTid(int tid) {
mTid = tid;
mTidSet = true;
CameraThread.this.notifyAll();
}
synchronized private void setFinished() {
mFinished = true;
}
public CameraThread(final Runnable r) {
Runnable wrapper = new Runnable() {
public void run() {
setTid(Process.myTid());
try {
r.run();
} finally {
setFinished();
}
}
};
mThread = new Thread(wrapper);
}
synchronized public void start() {
mThread.start();
}
synchronized public void setName(String name) {
mThread.setName(name);
}
public void join() {
try {
mThread.join();
} catch (InterruptedException ex) {
// ok?
}
}
public long getId() {
return mThread.getId();
}
public Thread realThread() {
return mThread;
}
synchronized public void setPriority(int androidOsPriority) {
while (!mTidSet) {
try {
CameraThread.this.wait();
} catch (InterruptedException ex) {
// ok, try again
}
}
if (!mFinished)
Process.setThreadPriority(mTid, androidOsPriority);
}
synchronized public void toBackground() {
setPriority(Process.THREAD_PRIORITY_BACKGROUND);
}
synchronized public void toForeground() {
setPriority(Process.THREAD_PRIORITY_FOREGROUND);
}
}
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