TransportControlView.java revision 01d96bd2afdcff866e0e1010eb7c88e101d0f6fa
16b05d58018c2806459c121e507c005639b74aee9Jim Miller/* 26b05d58018c2806459c121e507c005639b74aee9Jim Miller * Copyright (C) 2011 The Android Open Source Project 36b05d58018c2806459c121e507c005639b74aee9Jim Miller * 46b05d58018c2806459c121e507c005639b74aee9Jim Miller * Licensed under the Apache License, Version 2.0 (the "License"); 56b05d58018c2806459c121e507c005639b74aee9Jim Miller * you may not use this file except in compliance with the License. 66b05d58018c2806459c121e507c005639b74aee9Jim Miller * You may obtain a copy of the License at 76b05d58018c2806459c121e507c005639b74aee9Jim Miller * 86b05d58018c2806459c121e507c005639b74aee9Jim Miller * http://www.apache.org/licenses/LICENSE-2.0 96b05d58018c2806459c121e507c005639b74aee9Jim Miller * 106b05d58018c2806459c121e507c005639b74aee9Jim Miller * Unless required by applicable law or agreed to in writing, software 116b05d58018c2806459c121e507c005639b74aee9Jim Miller * distributed under the License is distributed on an "AS IS" BASIS, 126b05d58018c2806459c121e507c005639b74aee9Jim Miller * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 136b05d58018c2806459c121e507c005639b74aee9Jim Miller * See the License for the specific language governing permissions and 146b05d58018c2806459c121e507c005639b74aee9Jim Miller * limitations under the License. 156b05d58018c2806459c121e507c005639b74aee9Jim Miller */ 166b05d58018c2806459c121e507c005639b74aee9Jim Miller 176b05d58018c2806459c121e507c005639b74aee9Jim Millerpackage com.android.internal.widget; 186b05d58018c2806459c121e507c005639b74aee9Jim Miller 191c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport java.lang.ref.WeakReference; 201c18828d20807342d37000746b18a3c1696f3b2eJim Miller 211c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport com.android.internal.widget.LockScreenWidgetCallback; 221c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport com.android.internal.widget.LockScreenWidgetInterface; 236b05d58018c2806459c121e507c005639b74aee9Jim Miller 24f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Triviimport android.app.PendingIntent; 25f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Triviimport android.app.PendingIntent.CanceledException; 261c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.content.ComponentName; 276b05d58018c2806459c121e507c005639b74aee9Jim Millerimport android.content.Context; 281c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.content.Intent; 291c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.graphics.Bitmap; 306b05d58018c2806459c121e507c005639b74aee9Jim Millerimport android.media.AudioManager; 311c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.media.MediaMetadataRetriever; 321c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.media.RemoteControlClient; 331c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.media.IRemoteControlDisplay; 341c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.os.Bundle; 356b05d58018c2806459c121e507c005639b74aee9Jim Millerimport android.os.Handler; 366b05d58018c2806459c121e507c005639b74aee9Jim Millerimport android.os.Message; 371c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.os.RemoteException; 381c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.text.Spannable; 391c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.text.TextUtils; 401c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.text.style.ForegroundColorSpan; 416b05d58018c2806459c121e507c005639b74aee9Jim Millerimport android.util.AttributeSet; 421c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.util.Log; 431c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.view.KeyEvent; 446b05d58018c2806459c121e507c005639b74aee9Jim Millerimport android.view.View; 456b05d58018c2806459c121e507c005639b74aee9Jim Millerimport android.view.View.OnClickListener; 461c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.widget.FrameLayout; 471c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.widget.ImageView; 481c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport android.widget.TextView; 496b05d58018c2806459c121e507c005639b74aee9Jim Miller 506b05d58018c2806459c121e507c005639b74aee9Jim Miller 511c18828d20807342d37000746b18a3c1696f3b2eJim Millerimport com.android.internal.R; 521c18828d20807342d37000746b18a3c1696f3b2eJim Miller 531c18828d20807342d37000746b18a3c1696f3b2eJim Millerpublic class TransportControlView extends FrameLayout implements OnClickListener, 541c18828d20807342d37000746b18a3c1696f3b2eJim Miller LockScreenWidgetInterface { 551c18828d20807342d37000746b18a3c1696f3b2eJim Miller 561c18828d20807342d37000746b18a3c1696f3b2eJim Miller private static final int MSG_UPDATE_STATE = 100; 571c18828d20807342d37000746b18a3c1696f3b2eJim Miller private static final int MSG_SET_METADATA = 101; 581c18828d20807342d37000746b18a3c1696f3b2eJim Miller private static final int MSG_SET_TRANSPORT_CONTROLS = 102; 591c18828d20807342d37000746b18a3c1696f3b2eJim Miller private static final int MSG_SET_ARTWORK = 103; 601c18828d20807342d37000746b18a3c1696f3b2eJim Miller private static final int MSG_SET_GENERATION_ID = 104; 611c18828d20807342d37000746b18a3c1696f3b2eJim Miller private static final int MAXDIM = 512; 621c18828d20807342d37000746b18a3c1696f3b2eJim Miller protected static final boolean DEBUG = true; 631c18828d20807342d37000746b18a3c1696f3b2eJim Miller protected static final String TAG = "TransportControlView"; 641c18828d20807342d37000746b18a3c1696f3b2eJim Miller 651c18828d20807342d37000746b18a3c1696f3b2eJim Miller private ImageView mAlbumArt; 661c18828d20807342d37000746b18a3c1696f3b2eJim Miller private TextView mTrackTitle; 671c18828d20807342d37000746b18a3c1696f3b2eJim Miller private ImageView mBtnPrev; 681c18828d20807342d37000746b18a3c1696f3b2eJim Miller private ImageView mBtnPlay; 691c18828d20807342d37000746b18a3c1696f3b2eJim Miller private ImageView mBtnNext; 701c18828d20807342d37000746b18a3c1696f3b2eJim Miller private int mClientGeneration; 711c18828d20807342d37000746b18a3c1696f3b2eJim Miller private Metadata mMetadata = new Metadata(); 721c18828d20807342d37000746b18a3c1696f3b2eJim Miller private boolean mAttached; 73f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi private PendingIntent mClientIntent; 741c18828d20807342d37000746b18a3c1696f3b2eJim Miller private int mTransportControlFlags; 751c18828d20807342d37000746b18a3c1696f3b2eJim Miller private int mPlayState; 761c18828d20807342d37000746b18a3c1696f3b2eJim Miller private AudioManager mAudioManager; 771c18828d20807342d37000746b18a3c1696f3b2eJim Miller private LockScreenWidgetCallback mWidgetCallbacks; 781c18828d20807342d37000746b18a3c1696f3b2eJim Miller private IRemoteControlDisplayWeak mIRCD; 791c18828d20807342d37000746b18a3c1696f3b2eJim Miller 801c18828d20807342d37000746b18a3c1696f3b2eJim Miller /** 811c18828d20807342d37000746b18a3c1696f3b2eJim Miller * The metadata which should be populated into the view once we've been attached 821c18828d20807342d37000746b18a3c1696f3b2eJim Miller */ 831c18828d20807342d37000746b18a3c1696f3b2eJim Miller private Bundle mPopulateMetadataWhenAttached = null; 841c18828d20807342d37000746b18a3c1696f3b2eJim Miller 851c18828d20807342d37000746b18a3c1696f3b2eJim Miller // This handler is required to ensure messages from IRCD are handled in sequence and on 861c18828d20807342d37000746b18a3c1696f3b2eJim Miller // the UI thread. 876b05d58018c2806459c121e507c005639b74aee9Jim Miller private Handler mHandler = new Handler() { 881c18828d20807342d37000746b18a3c1696f3b2eJim Miller @Override 896b05d58018c2806459c121e507c005639b74aee9Jim Miller public void handleMessage(Message msg) { 901c18828d20807342d37000746b18a3c1696f3b2eJim Miller switch (msg.what) { 911c18828d20807342d37000746b18a3c1696f3b2eJim Miller case MSG_UPDATE_STATE: 921c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (mClientGeneration == msg.arg1) updatePlayPauseState(msg.arg2); 931c18828d20807342d37000746b18a3c1696f3b2eJim Miller break; 941c18828d20807342d37000746b18a3c1696f3b2eJim Miller 951c18828d20807342d37000746b18a3c1696f3b2eJim Miller case MSG_SET_METADATA: 961c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (mClientGeneration == msg.arg1) updateMetadata((Bundle) msg.obj); 971c18828d20807342d37000746b18a3c1696f3b2eJim Miller break; 981c18828d20807342d37000746b18a3c1696f3b2eJim Miller 991c18828d20807342d37000746b18a3c1696f3b2eJim Miller case MSG_SET_TRANSPORT_CONTROLS: 1001c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (mClientGeneration == msg.arg1) updateTransportControls(msg.arg2); 1011c18828d20807342d37000746b18a3c1696f3b2eJim Miller break; 1021c18828d20807342d37000746b18a3c1696f3b2eJim Miller 1031c18828d20807342d37000746b18a3c1696f3b2eJim Miller case MSG_SET_ARTWORK: 1041c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (mClientGeneration == msg.arg1) { 10501d96bd2afdcff866e0e1010eb7c88e101d0f6faJean-Michel Trivi if (mMetadata.bitmap != null) { 10601d96bd2afdcff866e0e1010eb7c88e101d0f6faJean-Michel Trivi mMetadata.bitmap.recycle(); 10701d96bd2afdcff866e0e1010eb7c88e101d0f6faJean-Michel Trivi } 1081c18828d20807342d37000746b18a3c1696f3b2eJim Miller mMetadata.bitmap = (Bitmap) msg.obj; 1091c18828d20807342d37000746b18a3c1696f3b2eJim Miller mAlbumArt.setImageBitmap(mMetadata.bitmap); 1101c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1111c18828d20807342d37000746b18a3c1696f3b2eJim Miller break; 1121c18828d20807342d37000746b18a3c1696f3b2eJim Miller 1131c18828d20807342d37000746b18a3c1696f3b2eJim Miller case MSG_SET_GENERATION_ID: 1141c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (mWidgetCallbacks != null) { 1151c18828d20807342d37000746b18a3c1696f3b2eJim Miller boolean clearing = msg.arg2 != 0; 1161c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (DEBUG) Log.v(TAG, "New genId = " + msg.arg1 + ", clearing = " + clearing); 1171c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (!clearing) { 1181c18828d20807342d37000746b18a3c1696f3b2eJim Miller mWidgetCallbacks.requestShow(TransportControlView.this); 1191c18828d20807342d37000746b18a3c1696f3b2eJim Miller } else { 1201c18828d20807342d37000746b18a3c1696f3b2eJim Miller mWidgetCallbacks.requestHide(TransportControlView.this); 1211c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1221c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1231c18828d20807342d37000746b18a3c1696f3b2eJim Miller mClientGeneration = msg.arg1; 124f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi mClientIntent = (PendingIntent) msg.obj; 1251c18828d20807342d37000746b18a3c1696f3b2eJim Miller break; 1261c18828d20807342d37000746b18a3c1696f3b2eJim Miller 1276b05d58018c2806459c121e507c005639b74aee9Jim Miller } 1286b05d58018c2806459c121e507c005639b74aee9Jim Miller } 1296b05d58018c2806459c121e507c005639b74aee9Jim Miller }; 1306b05d58018c2806459c121e507c005639b74aee9Jim Miller 1311c18828d20807342d37000746b18a3c1696f3b2eJim Miller /** 1321c18828d20807342d37000746b18a3c1696f3b2eJim Miller * This class is required to have weak linkage to the current TransportControlView 1331c18828d20807342d37000746b18a3c1696f3b2eJim Miller * because the remote process can hold a strong reference to this binder object and 1341c18828d20807342d37000746b18a3c1696f3b2eJim Miller * we can't predict when it will be GC'd in the remote process. Without this code, it 1351c18828d20807342d37000746b18a3c1696f3b2eJim Miller * would allow a heavyweight object to be held on this side of the binder when there's 1361c18828d20807342d37000746b18a3c1696f3b2eJim Miller * no requirement to run a GC on the other side. 1371c18828d20807342d37000746b18a3c1696f3b2eJim Miller */ 1381c18828d20807342d37000746b18a3c1696f3b2eJim Miller private static class IRemoteControlDisplayWeak extends IRemoteControlDisplay.Stub { 1391c18828d20807342d37000746b18a3c1696f3b2eJim Miller private WeakReference<Handler> mLocalHandler; 1401c18828d20807342d37000746b18a3c1696f3b2eJim Miller 1411c18828d20807342d37000746b18a3c1696f3b2eJim Miller IRemoteControlDisplayWeak(Handler handler) { 1421c18828d20807342d37000746b18a3c1696f3b2eJim Miller mLocalHandler = new WeakReference<Handler>(handler); 1431c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1441c18828d20807342d37000746b18a3c1696f3b2eJim Miller 1451c18828d20807342d37000746b18a3c1696f3b2eJim Miller public void setPlaybackState(int generationId, int state) { 1461c18828d20807342d37000746b18a3c1696f3b2eJim Miller Handler handler = mLocalHandler.get(); 1471c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (handler != null) { 1481c18828d20807342d37000746b18a3c1696f3b2eJim Miller handler.obtainMessage(MSG_UPDATE_STATE, generationId, state).sendToTarget(); 1496b05d58018c2806459c121e507c005639b74aee9Jim Miller } 1501c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1516b05d58018c2806459c121e507c005639b74aee9Jim Miller 1521c18828d20807342d37000746b18a3c1696f3b2eJim Miller public void setMetadata(int generationId, Bundle metadata) { 1531c18828d20807342d37000746b18a3c1696f3b2eJim Miller Handler handler = mLocalHandler.get(); 1541c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (handler != null) { 1551c18828d20807342d37000746b18a3c1696f3b2eJim Miller handler.obtainMessage(MSG_SET_METADATA, generationId, 0, metadata).sendToTarget(); 1561c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1571c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1581c18828d20807342d37000746b18a3c1696f3b2eJim Miller 1591c18828d20807342d37000746b18a3c1696f3b2eJim Miller public void setTransportControlFlags(int generationId, int flags) { 1601c18828d20807342d37000746b18a3c1696f3b2eJim Miller Handler handler = mLocalHandler.get(); 1611c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (handler != null) { 1621c18828d20807342d37000746b18a3c1696f3b2eJim Miller handler.obtainMessage(MSG_SET_TRANSPORT_CONTROLS, generationId, flags) 1631c18828d20807342d37000746b18a3c1696f3b2eJim Miller .sendToTarget(); 1641c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1651c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1661c18828d20807342d37000746b18a3c1696f3b2eJim Miller 1671c18828d20807342d37000746b18a3c1696f3b2eJim Miller public void setArtwork(int generationId, Bitmap bitmap) { 1681c18828d20807342d37000746b18a3c1696f3b2eJim Miller Handler handler = mLocalHandler.get(); 1691c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (handler != null) { 1701c18828d20807342d37000746b18a3c1696f3b2eJim Miller handler.obtainMessage(MSG_SET_ARTWORK, generationId, 0, bitmap).sendToTarget(); 1711c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1721c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1731c18828d20807342d37000746b18a3c1696f3b2eJim Miller 1741c18828d20807342d37000746b18a3c1696f3b2eJim Miller public void setAllMetadata(int generationId, Bundle metadata, Bitmap bitmap) { 1751c18828d20807342d37000746b18a3c1696f3b2eJim Miller Handler handler = mLocalHandler.get(); 1761c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (handler != null) { 1771c18828d20807342d37000746b18a3c1696f3b2eJim Miller handler.obtainMessage(MSG_SET_METADATA, generationId, 0, metadata).sendToTarget(); 1781c18828d20807342d37000746b18a3c1696f3b2eJim Miller handler.obtainMessage(MSG_SET_ARTWORK, generationId, 0, bitmap).sendToTarget(); 1791c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1801c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1811c18828d20807342d37000746b18a3c1696f3b2eJim Miller 182f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi public void setCurrentClientId(int clientGeneration, PendingIntent mediaIntent, 1831c18828d20807342d37000746b18a3c1696f3b2eJim Miller boolean clearing) throws RemoteException { 1841c18828d20807342d37000746b18a3c1696f3b2eJim Miller Handler handler = mLocalHandler.get(); 1851c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (handler != null) { 1861c18828d20807342d37000746b18a3c1696f3b2eJim Miller handler.obtainMessage(MSG_SET_GENERATION_ID, 187f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi clientGeneration, (clearing ? 1 : 0), mediaIntent).sendToTarget(); 1881c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1891c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 1901c18828d20807342d37000746b18a3c1696f3b2eJim Miller }; 1916b05d58018c2806459c121e507c005639b74aee9Jim Miller 1926b05d58018c2806459c121e507c005639b74aee9Jim Miller public TransportControlView(Context context, AttributeSet attrs) { 1936b05d58018c2806459c121e507c005639b74aee9Jim Miller super(context, attrs); 1941c18828d20807342d37000746b18a3c1696f3b2eJim Miller Log.v(TAG, "Create TCV " + this); 1951c18828d20807342d37000746b18a3c1696f3b2eJim Miller mAudioManager = new AudioManager(mContext); 1961c18828d20807342d37000746b18a3c1696f3b2eJim Miller mIRCD = new IRemoteControlDisplayWeak(mHandler); 1976b05d58018c2806459c121e507c005639b74aee9Jim Miller } 1986b05d58018c2806459c121e507c005639b74aee9Jim Miller 1991c18828d20807342d37000746b18a3c1696f3b2eJim Miller private void updateTransportControls(int transportControlFlags) { 2001c18828d20807342d37000746b18a3c1696f3b2eJim Miller mTransportControlFlags = transportControlFlags; 2016b05d58018c2806459c121e507c005639b74aee9Jim Miller } 2026b05d58018c2806459c121e507c005639b74aee9Jim Miller 2031c18828d20807342d37000746b18a3c1696f3b2eJim Miller @Override 2041c18828d20807342d37000746b18a3c1696f3b2eJim Miller public void onFinishInflate() { 2051c18828d20807342d37000746b18a3c1696f3b2eJim Miller super.onFinishInflate(); 2061c18828d20807342d37000746b18a3c1696f3b2eJim Miller mTrackTitle = (TextView) findViewById(R.id.title); 2071c18828d20807342d37000746b18a3c1696f3b2eJim Miller mTrackTitle.setSelected(true); // enable marquee 2081c18828d20807342d37000746b18a3c1696f3b2eJim Miller mAlbumArt = (ImageView) findViewById(R.id.albumart); 2091c18828d20807342d37000746b18a3c1696f3b2eJim Miller mBtnPrev = (ImageView) findViewById(R.id.btn_prev); 2101c18828d20807342d37000746b18a3c1696f3b2eJim Miller mBtnPlay = (ImageView) findViewById(R.id.btn_play); 2111c18828d20807342d37000746b18a3c1696f3b2eJim Miller mBtnNext = (ImageView) findViewById(R.id.btn_next); 2121c18828d20807342d37000746b18a3c1696f3b2eJim Miller final View buttons[] = { mBtnPrev, mBtnPlay, mBtnNext }; 2131c18828d20807342d37000746b18a3c1696f3b2eJim Miller for (View view : buttons) { 2141c18828d20807342d37000746b18a3c1696f3b2eJim Miller view.setOnClickListener(this); 2151c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2166b05d58018c2806459c121e507c005639b74aee9Jim Miller } 2176b05d58018c2806459c121e507c005639b74aee9Jim Miller 2186b05d58018c2806459c121e507c005639b74aee9Jim Miller @Override 2191c18828d20807342d37000746b18a3c1696f3b2eJim Miller public void onAttachedToWindow() { 2201c18828d20807342d37000746b18a3c1696f3b2eJim Miller super.onAttachedToWindow(); 2211c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (mPopulateMetadataWhenAttached != null) { 2221c18828d20807342d37000746b18a3c1696f3b2eJim Miller updateMetadata(mPopulateMetadataWhenAttached); 2231c18828d20807342d37000746b18a3c1696f3b2eJim Miller mPopulateMetadataWhenAttached = null; 2241c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2251c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (!mAttached) { 2261c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (DEBUG) Log.v(TAG, "Registering TCV " + this); 2271c18828d20807342d37000746b18a3c1696f3b2eJim Miller mAudioManager.registerRemoteControlDisplay(mIRCD); 2281c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2291c18828d20807342d37000746b18a3c1696f3b2eJim Miller mAttached = true; 2301c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2311c18828d20807342d37000746b18a3c1696f3b2eJim Miller 2321c18828d20807342d37000746b18a3c1696f3b2eJim Miller @Override 2331c18828d20807342d37000746b18a3c1696f3b2eJim Miller public void onDetachedFromWindow() { 2341c18828d20807342d37000746b18a3c1696f3b2eJim Miller super.onDetachedFromWindow(); 2351c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (mAttached) { 2361c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (DEBUG) Log.v(TAG, "Unregistering TCV " + this); 2371c18828d20807342d37000746b18a3c1696f3b2eJim Miller mAudioManager.unregisterRemoteControlDisplay(mIRCD); 2381c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2391c18828d20807342d37000746b18a3c1696f3b2eJim Miller mAttached = false; 2401c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2411c18828d20807342d37000746b18a3c1696f3b2eJim Miller 2421c18828d20807342d37000746b18a3c1696f3b2eJim Miller @Override 2431c18828d20807342d37000746b18a3c1696f3b2eJim Miller protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 2441c18828d20807342d37000746b18a3c1696f3b2eJim Miller super.onMeasure(widthMeasureSpec, heightMeasureSpec); 2451c18828d20807342d37000746b18a3c1696f3b2eJim Miller int dim = Math.min(MAXDIM, Math.max(getWidth(), getHeight())); 2461c18828d20807342d37000746b18a3c1696f3b2eJim Miller// Log.v(TAG, "setting max bitmap size: " + dim + "x" + dim); 2471c18828d20807342d37000746b18a3c1696f3b2eJim Miller// mAudioManager.remoteControlDisplayUsesBitmapSize(mIRCD, dim, dim); 2481c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2491c18828d20807342d37000746b18a3c1696f3b2eJim Miller 2501c18828d20807342d37000746b18a3c1696f3b2eJim Miller class Metadata { 2511c18828d20807342d37000746b18a3c1696f3b2eJim Miller private String artist; 2521c18828d20807342d37000746b18a3c1696f3b2eJim Miller private String trackTitle; 2531c18828d20807342d37000746b18a3c1696f3b2eJim Miller private String albumTitle; 2541c18828d20807342d37000746b18a3c1696f3b2eJim Miller private Bitmap bitmap; 2551c18828d20807342d37000746b18a3c1696f3b2eJim Miller 2561c18828d20807342d37000746b18a3c1696f3b2eJim Miller public String toString() { 2571c18828d20807342d37000746b18a3c1696f3b2eJim Miller return "Metadata[artist=" + artist + " trackTitle=" + trackTitle + " albumTitle=" + albumTitle + "]"; 2581c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2591c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2601c18828d20807342d37000746b18a3c1696f3b2eJim Miller 2611c18828d20807342d37000746b18a3c1696f3b2eJim Miller private String getMdString(Bundle data, int id) { 2621c18828d20807342d37000746b18a3c1696f3b2eJim Miller return data.getString(Integer.toString(id)); 2631c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2641c18828d20807342d37000746b18a3c1696f3b2eJim Miller 2651c18828d20807342d37000746b18a3c1696f3b2eJim Miller private void updateMetadata(Bundle data) { 2661c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (mAttached) { 2671c18828d20807342d37000746b18a3c1696f3b2eJim Miller mMetadata.artist = getMdString(data, MediaMetadataRetriever.METADATA_KEY_ALBUMARTIST); 2681c18828d20807342d37000746b18a3c1696f3b2eJim Miller mMetadata.trackTitle = getMdString(data, MediaMetadataRetriever.METADATA_KEY_TITLE); 2691c18828d20807342d37000746b18a3c1696f3b2eJim Miller mMetadata.albumTitle = getMdString(data, MediaMetadataRetriever.METADATA_KEY_ALBUM); 2701c18828d20807342d37000746b18a3c1696f3b2eJim Miller populateMetadata(); 2711c18828d20807342d37000746b18a3c1696f3b2eJim Miller } else { 2721c18828d20807342d37000746b18a3c1696f3b2eJim Miller mPopulateMetadataWhenAttached = data; 2731c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2741c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2751c18828d20807342d37000746b18a3c1696f3b2eJim Miller 2761c18828d20807342d37000746b18a3c1696f3b2eJim Miller /** 2771c18828d20807342d37000746b18a3c1696f3b2eJim Miller * Populates the given metadata into the view 2781c18828d20807342d37000746b18a3c1696f3b2eJim Miller */ 2791c18828d20807342d37000746b18a3c1696f3b2eJim Miller private void populateMetadata() { 2801c18828d20807342d37000746b18a3c1696f3b2eJim Miller StringBuilder sb = new StringBuilder(); 2811c18828d20807342d37000746b18a3c1696f3b2eJim Miller int trackTitleLength = 0; 2821c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (!TextUtils.isEmpty(mMetadata.trackTitle)) { 2831c18828d20807342d37000746b18a3c1696f3b2eJim Miller sb.append(mMetadata.trackTitle); 2841c18828d20807342d37000746b18a3c1696f3b2eJim Miller trackTitleLength = mMetadata.trackTitle.length(); 2851c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2861c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (!TextUtils.isEmpty(mMetadata.artist)) { 2871c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (sb.length() != 0) { 2881c18828d20807342d37000746b18a3c1696f3b2eJim Miller sb.append(" - "); 2891c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2901c18828d20807342d37000746b18a3c1696f3b2eJim Miller sb.append(mMetadata.artist); 2911c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2921c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (!TextUtils.isEmpty(mMetadata.albumTitle)) { 2931c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (sb.length() != 0) { 2941c18828d20807342d37000746b18a3c1696f3b2eJim Miller sb.append(" - "); 2956b05d58018c2806459c121e507c005639b74aee9Jim Miller } 2961c18828d20807342d37000746b18a3c1696f3b2eJim Miller sb.append(mMetadata.albumTitle); 2971c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 2981c18828d20807342d37000746b18a3c1696f3b2eJim Miller mTrackTitle.setText(sb.toString(), TextView.BufferType.SPANNABLE); 2991c18828d20807342d37000746b18a3c1696f3b2eJim Miller Spannable str = (Spannable) mTrackTitle.getText(); 3001c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (trackTitleLength != 0) { 3011c18828d20807342d37000746b18a3c1696f3b2eJim Miller str.setSpan(new ForegroundColorSpan(0xffffffff), 0, trackTitleLength, 3021c18828d20807342d37000746b18a3c1696f3b2eJim Miller Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 3031c18828d20807342d37000746b18a3c1696f3b2eJim Miller trackTitleLength++; 3041c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 3051c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (sb.length() > trackTitleLength) { 3061c18828d20807342d37000746b18a3c1696f3b2eJim Miller str.setSpan(new ForegroundColorSpan(0x7fffffff), trackTitleLength, sb.length(), 3071c18828d20807342d37000746b18a3c1696f3b2eJim Miller Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 3086b05d58018c2806459c121e507c005639b74aee9Jim Miller } 3091c18828d20807342d37000746b18a3c1696f3b2eJim Miller 3101c18828d20807342d37000746b18a3c1696f3b2eJim Miller mAlbumArt.setImageBitmap(mMetadata.bitmap); 3111c18828d20807342d37000746b18a3c1696f3b2eJim Miller final int flags = mTransportControlFlags; 3121c18828d20807342d37000746b18a3c1696f3b2eJim Miller setVisibilityBasedOnFlag(mBtnPrev, flags, RemoteControlClient.FLAG_KEY_MEDIA_PREVIOUS); 3131c18828d20807342d37000746b18a3c1696f3b2eJim Miller setVisibilityBasedOnFlag(mBtnNext, flags, RemoteControlClient.FLAG_KEY_MEDIA_NEXT); 3141c18828d20807342d37000746b18a3c1696f3b2eJim Miller setVisibilityBasedOnFlag(mBtnPrev, flags, 3151c18828d20807342d37000746b18a3c1696f3b2eJim Miller RemoteControlClient.FLAG_KEY_MEDIA_PLAY 3161c18828d20807342d37000746b18a3c1696f3b2eJim Miller | RemoteControlClient.FLAG_KEY_MEDIA_PAUSE 3171c18828d20807342d37000746b18a3c1696f3b2eJim Miller | RemoteControlClient.FLAG_KEY_MEDIA_PLAY_PAUSE 3181c18828d20807342d37000746b18a3c1696f3b2eJim Miller | RemoteControlClient.FLAG_KEY_MEDIA_STOP); 3191c18828d20807342d37000746b18a3c1696f3b2eJim Miller 3201c18828d20807342d37000746b18a3c1696f3b2eJim Miller updatePlayPauseState(mPlayState); 3216b05d58018c2806459c121e507c005639b74aee9Jim Miller } 3226b05d58018c2806459c121e507c005639b74aee9Jim Miller 3231c18828d20807342d37000746b18a3c1696f3b2eJim Miller private static void setVisibilityBasedOnFlag(View view, int flags, int flag) { 3241c18828d20807342d37000746b18a3c1696f3b2eJim Miller if ((flags & flag) != 0) { 3251c18828d20807342d37000746b18a3c1696f3b2eJim Miller view.setVisibility(View.VISIBLE); 3261c18828d20807342d37000746b18a3c1696f3b2eJim Miller } else { 3271c18828d20807342d37000746b18a3c1696f3b2eJim Miller view.setVisibility(View.GONE); 3281c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 3291c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 3301c18828d20807342d37000746b18a3c1696f3b2eJim Miller 3311c18828d20807342d37000746b18a3c1696f3b2eJim Miller private void updatePlayPauseState(int state) { 3321c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (DEBUG) Log.v(TAG, 3331c18828d20807342d37000746b18a3c1696f3b2eJim Miller "updatePlayPauseState(), old=" + mPlayState + ", state=" + state); 3341c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (state == mPlayState) { 3351c18828d20807342d37000746b18a3c1696f3b2eJim Miller return; 3361c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 3371c18828d20807342d37000746b18a3c1696f3b2eJim Miller switch (state) { 3381c18828d20807342d37000746b18a3c1696f3b2eJim Miller case RemoteControlClient.PLAYSTATE_PLAYING: 3391c18828d20807342d37000746b18a3c1696f3b2eJim Miller mBtnPlay.setImageResource(com.android.internal.R.drawable.ic_media_pause); 3406b05d58018c2806459c121e507c005639b74aee9Jim Miller break; 3416b05d58018c2806459c121e507c005639b74aee9Jim Miller 3421c18828d20807342d37000746b18a3c1696f3b2eJim Miller case RemoteControlClient.PLAYSTATE_BUFFERING: 3431c18828d20807342d37000746b18a3c1696f3b2eJim Miller mBtnPlay.setImageResource(com.android.internal.R.drawable.ic_media_stop); 3446b05d58018c2806459c121e507c005639b74aee9Jim Miller break; 3456b05d58018c2806459c121e507c005639b74aee9Jim Miller 3461c18828d20807342d37000746b18a3c1696f3b2eJim Miller case RemoteControlClient.PLAYSTATE_PAUSED: 3471c18828d20807342d37000746b18a3c1696f3b2eJim Miller default: 3481c18828d20807342d37000746b18a3c1696f3b2eJim Miller mBtnPlay.setImageResource(com.android.internal.R.drawable.ic_media_play); 3496b05d58018c2806459c121e507c005639b74aee9Jim Miller break; 3506b05d58018c2806459c121e507c005639b74aee9Jim Miller } 3511c18828d20807342d37000746b18a3c1696f3b2eJim Miller mPlayState = state; 3521c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 3531c18828d20807342d37000746b18a3c1696f3b2eJim Miller 3541c18828d20807342d37000746b18a3c1696f3b2eJim Miller public void onClick(View v) { 3551c18828d20807342d37000746b18a3c1696f3b2eJim Miller int keyCode = -1; 3561c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (v == mBtnPrev) { 3571c18828d20807342d37000746b18a3c1696f3b2eJim Miller keyCode = KeyEvent.KEYCODE_MEDIA_PREVIOUS; 3581c18828d20807342d37000746b18a3c1696f3b2eJim Miller } else if (v == mBtnNext) { 3591c18828d20807342d37000746b18a3c1696f3b2eJim Miller keyCode = KeyEvent.KEYCODE_MEDIA_NEXT; 3601c18828d20807342d37000746b18a3c1696f3b2eJim Miller } else if (v == mBtnPlay) { 3611c18828d20807342d37000746b18a3c1696f3b2eJim Miller keyCode = KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE; 3621c18828d20807342d37000746b18a3c1696f3b2eJim Miller 3631c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 3641c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (keyCode != -1) { 3651c18828d20807342d37000746b18a3c1696f3b2eJim Miller sendMediaButtonClick(keyCode); 3661c18828d20807342d37000746b18a3c1696f3b2eJim Miller if (mWidgetCallbacks != null) { 3671c18828d20807342d37000746b18a3c1696f3b2eJim Miller mWidgetCallbacks.userActivity(this); 3681c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 3696b05d58018c2806459c121e507c005639b74aee9Jim Miller } 3706b05d58018c2806459c121e507c005639b74aee9Jim Miller } 3716b05d58018c2806459c121e507c005639b74aee9Jim Miller 3721c18828d20807342d37000746b18a3c1696f3b2eJim Miller private void sendMediaButtonClick(int keyCode) { 373f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi // use the registered PendingIntent that will be processed by the registered 374f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi // media button event receiver, which is the component of mClientIntent 3751c18828d20807342d37000746b18a3c1696f3b2eJim Miller KeyEvent keyEvent = new KeyEvent(KeyEvent.ACTION_DOWN, keyCode); 3761c18828d20807342d37000746b18a3c1696f3b2eJim Miller Intent intent = new Intent(Intent.ACTION_MEDIA_BUTTON); 3771c18828d20807342d37000746b18a3c1696f3b2eJim Miller intent.putExtra(Intent.EXTRA_KEY_EVENT, keyEvent); 378f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi try { 379f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi mClientIntent.send(getContext(), 0, intent); 380f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi } catch (CanceledException e) { 381f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi Log.e(TAG, "Error sending intent for media button down: "+e); 382f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi e.printStackTrace(); 383f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi } 3841c18828d20807342d37000746b18a3c1696f3b2eJim Miller 3851c18828d20807342d37000746b18a3c1696f3b2eJim Miller keyEvent = new KeyEvent(KeyEvent.ACTION_UP, keyCode); 3861c18828d20807342d37000746b18a3c1696f3b2eJim Miller intent = new Intent(Intent.ACTION_MEDIA_BUTTON); 3871c18828d20807342d37000746b18a3c1696f3b2eJim Miller intent.putExtra(Intent.EXTRA_KEY_EVENT, keyEvent); 388f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi try { 389f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi mClientIntent.send(getContext(), 0, intent); 390f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi } catch (CanceledException e) { 391f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi Log.e(TAG, "Error sending intent for media button up: "+e); 392f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi e.printStackTrace(); 393f0cff0456258478ba768097f73d4367ab67fd7a3Jean-Michel Trivi } 3941c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 3951c18828d20807342d37000746b18a3c1696f3b2eJim Miller 3961c18828d20807342d37000746b18a3c1696f3b2eJim Miller public void setCallback(LockScreenWidgetCallback callback) { 3971c18828d20807342d37000746b18a3c1696f3b2eJim Miller mWidgetCallbacks = callback; 3981c18828d20807342d37000746b18a3c1696f3b2eJim Miller } 3991c18828d20807342d37000746b18a3c1696f3b2eJim Miller 400054340d0a3f242efeaf898cca38625bdcb3b4b5aJeff Sharkey public boolean providesClock() { 401054340d0a3f242efeaf898cca38625bdcb3b4b5aJeff Sharkey return false; 402054340d0a3f242efeaf898cca38625bdcb3b4b5aJeff Sharkey } 403054340d0a3f242efeaf898cca38625bdcb3b4b5aJeff Sharkey 4046b05d58018c2806459c121e507c005639b74aee9Jim Miller} 405