/* * 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.webkit; import android.media.MediaPlayer; import android.media.MediaPlayer.OnBufferingUpdateListener; import android.media.MediaPlayer.OnCompletionListener; import android.media.MediaPlayer.OnErrorListener; import android.media.MediaPlayer.OnPreparedListener; import android.media.MediaPlayer.OnSeekCompleteListener; import android.os.Handler; import android.os.Message; import android.util.Log; import java.io.IOException; import java.util.HashMap; import java.util.Map; import java.util.Timer; import java.util.TimerTask; /** *
HTML5 support class for Audio.
*/
class HTML5Audio extends Handler
implements MediaPlayer.OnBufferingUpdateListener,
MediaPlayer.OnCompletionListener,
MediaPlayer.OnErrorListener,
MediaPlayer.OnPreparedListener,
MediaPlayer.OnSeekCompleteListener {
// Logging tag.
private static final String LOGTAG = "HTML5Audio";
private MediaPlayer mMediaPlayer;
// The C++ MediaPlayerPrivateAndroid object.
private int mNativePointer;
// The private status of the view that created this player
private boolean mIsPrivate;
private static int IDLE = 0;
private static int INITIALIZED = 1;
private static int PREPARED = 2;
private static int STARTED = 4;
private static int COMPLETE = 5;
private static int PAUSED = 6;
private static int STOPPED = -2;
private static int ERROR = -1;
private int mState = IDLE;
private String mUrl;
private boolean mAskToPlay = false;
// Timer thread -> UI thread
private static final int TIMEUPDATE = 100;
private static final String COOKIE = "Cookie";
private static final String HIDE_URL_LOGS = "x-hide-urls-from-log";
// The spec says the timer should fire every 250 ms or less.
private static final int TIMEUPDATE_PERIOD = 250; // ms
// The timer for timeupate events.
// See http://www.whatwg.org/specs/web-apps/current-work/#event-media-timeupdate
private Timer mTimer;
private final class TimeupdateTask extends TimerTask {
public void run() {
HTML5Audio.this.obtainMessage(TIMEUPDATE).sendToTarget();
}
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case TIMEUPDATE: {
try {
if (mState != ERROR && mMediaPlayer.isPlaying()) {
int position = mMediaPlayer.getCurrentPosition();
nativeOnTimeupdate(position, mNativePointer);
}
} catch (IllegalStateException e) {
mState = ERROR;
}
}
}
}
// event listeners for MediaPlayer
// Those are called from the same thread we created the MediaPlayer
// (i.e. the webviewcore thread here)
// MediaPlayer.OnBufferingUpdateListener
public void onBufferingUpdate(MediaPlayer mp, int percent) {
nativeOnBuffering(percent, mNativePointer);
}
// MediaPlayer.OnCompletionListener;
public void onCompletion(MediaPlayer mp) {
resetMediaPlayer();
mState = IDLE;
nativeOnEnded(mNativePointer);
}
// MediaPlayer.OnErrorListener
public boolean onError(MediaPlayer mp, int what, int extra) {
mState = ERROR;
resetMediaPlayer();
mState = IDLE;
return false;
}
// MediaPlayer.OnPreparedListener
public void onPrepared(MediaPlayer mp) {
mState = PREPARED;
if (mTimer != null) {
mTimer.schedule(new TimeupdateTask(),
TIMEUPDATE_PERIOD, TIMEUPDATE_PERIOD);
}
nativeOnPrepared(mp.getDuration(), 0, 0, mNativePointer);
if (mAskToPlay) {
mAskToPlay = false;
play();
}
}
// MediaPlayer.OnSeekCompleteListener
public void onSeekComplete(MediaPlayer mp) {
nativeOnTimeupdate(mp.getCurrentPosition(), mNativePointer);
}
/**
* @param nativePtr is the C++ pointer to the MediaPlayerPrivate object.
*/
public HTML5Audio(WebViewCore webViewCore, int nativePtr) {
// Save the native ptr
mNativePointer = nativePtr;
resetMediaPlayer();
mIsPrivate = webViewCore.getWebView().isPrivateBrowsingEnabled();
}
private void resetMediaPlayer() {
if (mMediaPlayer == null) {
mMediaPlayer = new MediaPlayer();
} else {
mMediaPlayer.reset();
}
mMediaPlayer.setOnBufferingUpdateListener(this);
mMediaPlayer.setOnCompletionListener(this);
mMediaPlayer.setOnErrorListener(this);
mMediaPlayer.setOnPreparedListener(this);
mMediaPlayer.setOnSeekCompleteListener(this);
if (mTimer != null) {
mTimer.cancel();
}
mTimer = new Timer();
mState = IDLE;
}
private void setDataSource(String url) {
mUrl = url;
try {
if (mState != IDLE) {
resetMediaPlayer();
}
String cookieValue = CookieManager.getInstance().getCookie(url, mIsPrivate);
Map