Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.internal.widget; |
| 18 | |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 19 | import java.lang.ref.WeakReference; |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 20 | |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 21 | import com.android.internal.widget.LockScreenWidgetCallback; |
| 22 | import com.android.internal.widget.LockScreenWidgetInterface; |
| 23 | |
Jean-Michel Trivi | f0cff04 | 2011-09-14 18:11:09 -0700 | [diff] [blame] | 24 | import android.app.PendingIntent; |
| 25 | import android.app.PendingIntent.CanceledException; |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 26 | import android.content.Context; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 27 | import android.content.Intent; |
| 28 | import android.graphics.Bitmap; |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 29 | import android.media.AudioManager; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 30 | import android.media.MediaMetadataRetriever; |
| 31 | import android.media.RemoteControlClient; |
| 32 | import android.media.IRemoteControlDisplay; |
| 33 | import android.os.Bundle; |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 34 | import android.os.Handler; |
| 35 | import android.os.Message; |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 36 | import android.os.Parcel; |
| 37 | import android.os.Parcelable; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 38 | import android.os.RemoteException; |
Jean-Michel Trivi | 6862239 | 2011-09-19 14:53:14 -0700 | [diff] [blame] | 39 | import android.os.SystemClock; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 40 | import android.text.Spannable; |
| 41 | import android.text.TextUtils; |
| 42 | import android.text.style.ForegroundColorSpan; |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 43 | import android.util.AttributeSet; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 44 | import android.util.Log; |
| 45 | import android.view.KeyEvent; |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 46 | import android.view.View; |
| 47 | import android.view.View.OnClickListener; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 48 | import android.widget.FrameLayout; |
| 49 | import android.widget.ImageView; |
| 50 | import android.widget.TextView; |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 51 | |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 52 | |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 53 | import com.android.internal.R; |
| 54 | |
| 55 | public class TransportControlView extends FrameLayout implements OnClickListener, |
| 56 | LockScreenWidgetInterface { |
| 57 | |
| 58 | private static final int MSG_UPDATE_STATE = 100; |
| 59 | private static final int MSG_SET_METADATA = 101; |
| 60 | private static final int MSG_SET_TRANSPORT_CONTROLS = 102; |
| 61 | private static final int MSG_SET_ARTWORK = 103; |
| 62 | private static final int MSG_SET_GENERATION_ID = 104; |
| 63 | private static final int MAXDIM = 512; |
Jean-Michel Trivi | 6862239 | 2011-09-19 14:53:14 -0700 | [diff] [blame] | 64 | private static final int DISPLAY_TIMEOUT_MS = 5000; // 5s |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 65 | protected static final boolean DEBUG = false; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 66 | protected static final String TAG = "TransportControlView"; |
| 67 | |
| 68 | private ImageView mAlbumArt; |
| 69 | private TextView mTrackTitle; |
| 70 | private ImageView mBtnPrev; |
| 71 | private ImageView mBtnPlay; |
| 72 | private ImageView mBtnNext; |
| 73 | private int mClientGeneration; |
| 74 | private Metadata mMetadata = new Metadata(); |
| 75 | private boolean mAttached; |
Jean-Michel Trivi | f0cff04 | 2011-09-14 18:11:09 -0700 | [diff] [blame] | 76 | private PendingIntent mClientIntent; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 77 | private int mTransportControlFlags; |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 78 | private int mCurrentPlayState; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 79 | private AudioManager mAudioManager; |
| 80 | private LockScreenWidgetCallback mWidgetCallbacks; |
| 81 | private IRemoteControlDisplayWeak mIRCD; |
| 82 | |
| 83 | /** |
| 84 | * The metadata which should be populated into the view once we've been attached |
| 85 | */ |
| 86 | private Bundle mPopulateMetadataWhenAttached = null; |
| 87 | |
| 88 | // This handler is required to ensure messages from IRCD are handled in sequence and on |
| 89 | // the UI thread. |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 90 | private Handler mHandler = new Handler() { |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 91 | @Override |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 92 | public void handleMessage(Message msg) { |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 93 | switch (msg.what) { |
| 94 | case MSG_UPDATE_STATE: |
| 95 | if (mClientGeneration == msg.arg1) updatePlayPauseState(msg.arg2); |
| 96 | break; |
| 97 | |
| 98 | case MSG_SET_METADATA: |
| 99 | if (mClientGeneration == msg.arg1) updateMetadata((Bundle) msg.obj); |
| 100 | break; |
| 101 | |
| 102 | case MSG_SET_TRANSPORT_CONTROLS: |
| 103 | if (mClientGeneration == msg.arg1) updateTransportControls(msg.arg2); |
| 104 | break; |
| 105 | |
| 106 | case MSG_SET_ARTWORK: |
| 107 | if (mClientGeneration == msg.arg1) { |
Jean-Michel Trivi | 01d96bd | 2011-09-19 11:17:02 -0700 | [diff] [blame] | 108 | if (mMetadata.bitmap != null) { |
| 109 | mMetadata.bitmap.recycle(); |
| 110 | } |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 111 | mMetadata.bitmap = (Bitmap) msg.obj; |
| 112 | mAlbumArt.setImageBitmap(mMetadata.bitmap); |
| 113 | } |
| 114 | break; |
| 115 | |
| 116 | case MSG_SET_GENERATION_ID: |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 117 | if (msg.arg2 != 0) { |
Jim Miller | a5ff5b4 | 2011-10-19 17:36:51 -0700 | [diff] [blame] | 118 | // This means nobody is currently registered. Hide the view. |
| 119 | if (mWidgetCallbacks != null) { |
| 120 | mWidgetCallbacks.requestHide(TransportControlView.this); |
| 121 | } |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 122 | } |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 123 | if (DEBUG) Log.v(TAG, "New genId = " + msg.arg1 + ", clearing = " + msg.arg2); |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 124 | mClientGeneration = msg.arg1; |
Jean-Michel Trivi | f0cff04 | 2011-09-14 18:11:09 -0700 | [diff] [blame] | 125 | mClientIntent = (PendingIntent) msg.obj; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 126 | break; |
| 127 | |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 128 | } |
| 129 | } |
| 130 | }; |
| 131 | |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 132 | /** |
| 133 | * This class is required to have weak linkage to the current TransportControlView |
| 134 | * because the remote process can hold a strong reference to this binder object and |
| 135 | * we can't predict when it will be GC'd in the remote process. Without this code, it |
| 136 | * would allow a heavyweight object to be held on this side of the binder when there's |
| 137 | * no requirement to run a GC on the other side. |
| 138 | */ |
| 139 | private static class IRemoteControlDisplayWeak extends IRemoteControlDisplay.Stub { |
| 140 | private WeakReference<Handler> mLocalHandler; |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 141 | |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 142 | IRemoteControlDisplayWeak(Handler handler) { |
| 143 | mLocalHandler = new WeakReference<Handler>(handler); |
| 144 | } |
| 145 | |
Jean-Michel Trivi | bc43b4c | 2013-03-22 09:30:50 -0700 | [diff] [blame] | 146 | public void setPlaybackState(int generationId, int state, long stateChangeTimeMs, |
| 147 | long currentPosMs, float speed) { |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 148 | Handler handler = mLocalHandler.get(); |
| 149 | if (handler != null) { |
| 150 | handler.obtainMessage(MSG_UPDATE_STATE, generationId, state).sendToTarget(); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | public void setMetadata(int generationId, Bundle metadata) { |
| 155 | Handler handler = mLocalHandler.get(); |
| 156 | if (handler != null) { |
| 157 | handler.obtainMessage(MSG_SET_METADATA, generationId, 0, metadata).sendToTarget(); |
| 158 | } |
| 159 | } |
| 160 | |
Jean-Michel Trivi | 3261b53 | 2013-04-01 14:59:39 -0700 | [diff] [blame] | 161 | public void setTransportControlInfo(int generationId, int flags, int posCapabilities) { |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 162 | Handler handler = mLocalHandler.get(); |
| 163 | if (handler != null) { |
| 164 | handler.obtainMessage(MSG_SET_TRANSPORT_CONTROLS, generationId, flags) |
| 165 | .sendToTarget(); |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | public void setArtwork(int generationId, Bitmap bitmap) { |
| 170 | Handler handler = mLocalHandler.get(); |
| 171 | if (handler != null) { |
| 172 | handler.obtainMessage(MSG_SET_ARTWORK, generationId, 0, bitmap).sendToTarget(); |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | public void setAllMetadata(int generationId, Bundle metadata, Bitmap bitmap) { |
| 177 | Handler handler = mLocalHandler.get(); |
| 178 | if (handler != null) { |
| 179 | handler.obtainMessage(MSG_SET_METADATA, generationId, 0, metadata).sendToTarget(); |
| 180 | handler.obtainMessage(MSG_SET_ARTWORK, generationId, 0, bitmap).sendToTarget(); |
| 181 | } |
| 182 | } |
| 183 | |
Jean-Michel Trivi | f0cff04 | 2011-09-14 18:11:09 -0700 | [diff] [blame] | 184 | public void setCurrentClientId(int clientGeneration, PendingIntent mediaIntent, |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 185 | boolean clearing) throws RemoteException { |
| 186 | Handler handler = mLocalHandler.get(); |
| 187 | if (handler != null) { |
| 188 | handler.obtainMessage(MSG_SET_GENERATION_ID, |
Jean-Michel Trivi | f0cff04 | 2011-09-14 18:11:09 -0700 | [diff] [blame] | 189 | clientGeneration, (clearing ? 1 : 0), mediaIntent).sendToTarget(); |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 190 | } |
| 191 | } |
| 192 | }; |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 193 | |
| 194 | public TransportControlView(Context context, AttributeSet attrs) { |
| 195 | super(context, attrs); |
Dianne Hackborn | 7ff3011 | 2012-11-08 11:12:09 -0800 | [diff] [blame] | 196 | if (DEBUG) Log.v(TAG, "Create TCV " + this); |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 197 | mAudioManager = new AudioManager(mContext); |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 198 | mCurrentPlayState = RemoteControlClient.PLAYSTATE_NONE; // until we get a callback |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 199 | mIRCD = new IRemoteControlDisplayWeak(mHandler); |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 200 | } |
| 201 | |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 202 | private void updateTransportControls(int transportControlFlags) { |
| 203 | mTransportControlFlags = transportControlFlags; |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | @Override |
| 207 | public void onFinishInflate() { |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 208 | super.onFinishInflate(); |
| 209 | mTrackTitle = (TextView) findViewById(R.id.title); |
| 210 | mTrackTitle.setSelected(true); // enable marquee |
| 211 | mAlbumArt = (ImageView) findViewById(R.id.albumart); |
| 212 | mBtnPrev = (ImageView) findViewById(R.id.btn_prev); |
| 213 | mBtnPlay = (ImageView) findViewById(R.id.btn_play); |
| 214 | mBtnNext = (ImageView) findViewById(R.id.btn_next); |
| 215 | final View buttons[] = { mBtnPrev, mBtnPlay, mBtnNext }; |
| 216 | for (View view : buttons) { |
| 217 | view.setOnClickListener(this); |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | @Override |
| 222 | public void onAttachedToWindow() { |
| 223 | super.onAttachedToWindow(); |
| 224 | if (mPopulateMetadataWhenAttached != null) { |
| 225 | updateMetadata(mPopulateMetadataWhenAttached); |
| 226 | mPopulateMetadataWhenAttached = null; |
| 227 | } |
| 228 | if (!mAttached) { |
| 229 | if (DEBUG) Log.v(TAG, "Registering TCV " + this); |
| 230 | mAudioManager.registerRemoteControlDisplay(mIRCD); |
| 231 | } |
| 232 | mAttached = true; |
| 233 | } |
| 234 | |
| 235 | @Override |
| 236 | public void onDetachedFromWindow() { |
| 237 | super.onDetachedFromWindow(); |
| 238 | if (mAttached) { |
| 239 | if (DEBUG) Log.v(TAG, "Unregistering TCV " + this); |
| 240 | mAudioManager.unregisterRemoteControlDisplay(mIRCD); |
| 241 | } |
| 242 | mAttached = false; |
| 243 | } |
| 244 | |
| 245 | @Override |
| 246 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| 247 | super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| 248 | int dim = Math.min(MAXDIM, Math.max(getWidth(), getHeight())); |
| 249 | // Log.v(TAG, "setting max bitmap size: " + dim + "x" + dim); |
| 250 | // mAudioManager.remoteControlDisplayUsesBitmapSize(mIRCD, dim, dim); |
| 251 | } |
| 252 | |
| 253 | class Metadata { |
| 254 | private String artist; |
| 255 | private String trackTitle; |
| 256 | private String albumTitle; |
| 257 | private Bitmap bitmap; |
| 258 | |
| 259 | public String toString() { |
| 260 | return "Metadata[artist=" + artist + " trackTitle=" + trackTitle + " albumTitle=" + albumTitle + "]"; |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | private String getMdString(Bundle data, int id) { |
| 265 | return data.getString(Integer.toString(id)); |
| 266 | } |
| 267 | |
| 268 | private void updateMetadata(Bundle data) { |
| 269 | if (mAttached) { |
| 270 | mMetadata.artist = getMdString(data, MediaMetadataRetriever.METADATA_KEY_ALBUMARTIST); |
| 271 | mMetadata.trackTitle = getMdString(data, MediaMetadataRetriever.METADATA_KEY_TITLE); |
| 272 | mMetadata.albumTitle = getMdString(data, MediaMetadataRetriever.METADATA_KEY_ALBUM); |
| 273 | populateMetadata(); |
| 274 | } else { |
| 275 | mPopulateMetadataWhenAttached = data; |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * Populates the given metadata into the view |
| 281 | */ |
| 282 | private void populateMetadata() { |
| 283 | StringBuilder sb = new StringBuilder(); |
| 284 | int trackTitleLength = 0; |
| 285 | if (!TextUtils.isEmpty(mMetadata.trackTitle)) { |
| 286 | sb.append(mMetadata.trackTitle); |
| 287 | trackTitleLength = mMetadata.trackTitle.length(); |
| 288 | } |
| 289 | if (!TextUtils.isEmpty(mMetadata.artist)) { |
| 290 | if (sb.length() != 0) { |
| 291 | sb.append(" - "); |
| 292 | } |
| 293 | sb.append(mMetadata.artist); |
| 294 | } |
| 295 | if (!TextUtils.isEmpty(mMetadata.albumTitle)) { |
| 296 | if (sb.length() != 0) { |
| 297 | sb.append(" - "); |
| 298 | } |
| 299 | sb.append(mMetadata.albumTitle); |
| 300 | } |
| 301 | mTrackTitle.setText(sb.toString(), TextView.BufferType.SPANNABLE); |
| 302 | Spannable str = (Spannable) mTrackTitle.getText(); |
| 303 | if (trackTitleLength != 0) { |
| 304 | str.setSpan(new ForegroundColorSpan(0xffffffff), 0, trackTitleLength, |
| 305 | Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| 306 | trackTitleLength++; |
| 307 | } |
| 308 | if (sb.length() > trackTitleLength) { |
| 309 | str.setSpan(new ForegroundColorSpan(0x7fffffff), trackTitleLength, sb.length(), |
| 310 | Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| 311 | } |
| 312 | |
| 313 | mAlbumArt.setImageBitmap(mMetadata.bitmap); |
| 314 | final int flags = mTransportControlFlags; |
| 315 | setVisibilityBasedOnFlag(mBtnPrev, flags, RemoteControlClient.FLAG_KEY_MEDIA_PREVIOUS); |
| 316 | setVisibilityBasedOnFlag(mBtnNext, flags, RemoteControlClient.FLAG_KEY_MEDIA_NEXT); |
Jim Miller | 1f0eac9 | 2012-03-01 16:48:54 -0800 | [diff] [blame] | 317 | setVisibilityBasedOnFlag(mBtnPlay, flags, |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 318 | RemoteControlClient.FLAG_KEY_MEDIA_PLAY |
| 319 | | RemoteControlClient.FLAG_KEY_MEDIA_PAUSE |
| 320 | | RemoteControlClient.FLAG_KEY_MEDIA_PLAY_PAUSE |
| 321 | | RemoteControlClient.FLAG_KEY_MEDIA_STOP); |
| 322 | |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 323 | updatePlayPauseState(mCurrentPlayState); |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 324 | } |
| 325 | |
| 326 | private static void setVisibilityBasedOnFlag(View view, int flags, int flag) { |
| 327 | if ((flags & flag) != 0) { |
| 328 | view.setVisibility(View.VISIBLE); |
| 329 | } else { |
| 330 | view.setVisibility(View.GONE); |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | private void updatePlayPauseState(int state) { |
| 335 | if (DEBUG) Log.v(TAG, |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 336 | "updatePlayPauseState(), old=" + mCurrentPlayState + ", state=" + state); |
| 337 | if (state == mCurrentPlayState) { |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 338 | return; |
| 339 | } |
Jim Miller | 67e043d | 2011-10-10 17:48:01 -0700 | [diff] [blame] | 340 | final int imageResId; |
| 341 | final int imageDescId; |
Jim Miller | 83e160d | 2011-10-14 11:06:33 -0700 | [diff] [blame] | 342 | boolean showIfHidden = false; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 343 | switch (state) { |
Jean-Michel Trivi | 261381c | 2011-10-13 16:53:08 -0700 | [diff] [blame] | 344 | case RemoteControlClient.PLAYSTATE_ERROR: |
| 345 | imageResId = com.android.internal.R.drawable.stat_sys_warning; |
| 346 | // TODO use more specific image description string for warning, but here the "play" |
| 347 | // message is still valid because this button triggers a play command. |
| 348 | imageDescId = com.android.internal.R.string.lockscreen_transport_play_description; |
| 349 | break; |
| 350 | |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 351 | case RemoteControlClient.PLAYSTATE_PLAYING: |
Jim Miller | 67e043d | 2011-10-10 17:48:01 -0700 | [diff] [blame] | 352 | imageResId = com.android.internal.R.drawable.ic_media_pause; |
| 353 | imageDescId = com.android.internal.R.string.lockscreen_transport_pause_description; |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 354 | showIfHidden = true; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 355 | break; |
| 356 | |
| 357 | case RemoteControlClient.PLAYSTATE_BUFFERING: |
Jim Miller | 67e043d | 2011-10-10 17:48:01 -0700 | [diff] [blame] | 358 | imageResId = com.android.internal.R.drawable.ic_media_stop; |
| 359 | imageDescId = com.android.internal.R.string.lockscreen_transport_stop_description; |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 360 | showIfHidden = true; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 361 | break; |
| 362 | |
| 363 | case RemoteControlClient.PLAYSTATE_PAUSED: |
| 364 | default: |
Jim Miller | 67e043d | 2011-10-10 17:48:01 -0700 | [diff] [blame] | 365 | imageResId = com.android.internal.R.drawable.ic_media_play; |
| 366 | imageDescId = com.android.internal.R.string.lockscreen_transport_play_description; |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 367 | showIfHidden = false; |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 368 | break; |
| 369 | } |
Jim Miller | 67e043d | 2011-10-10 17:48:01 -0700 | [diff] [blame] | 370 | mBtnPlay.setImageResource(imageResId); |
| 371 | mBtnPlay.setContentDescription(getResources().getString(imageDescId)); |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 372 | if (showIfHidden && mWidgetCallbacks != null && !mWidgetCallbacks.isVisible(this)) { |
| 373 | mWidgetCallbacks.requestShow(this); |
| 374 | } |
| 375 | mCurrentPlayState = state; |
| 376 | } |
| 377 | |
| 378 | static class SavedState extends BaseSavedState { |
| 379 | boolean wasShowing; |
| 380 | |
| 381 | SavedState(Parcelable superState) { |
| 382 | super(superState); |
| 383 | } |
| 384 | |
| 385 | private SavedState(Parcel in) { |
| 386 | super(in); |
| 387 | this.wasShowing = in.readInt() != 0; |
| 388 | } |
| 389 | |
| 390 | @Override |
| 391 | public void writeToParcel(Parcel out, int flags) { |
| 392 | super.writeToParcel(out, flags); |
| 393 | out.writeInt(this.wasShowing ? 1 : 0); |
| 394 | } |
| 395 | |
| 396 | public static final Parcelable.Creator<SavedState> CREATOR |
| 397 | = new Parcelable.Creator<SavedState>() { |
| 398 | public SavedState createFromParcel(Parcel in) { |
| 399 | return new SavedState(in); |
| 400 | } |
| 401 | |
| 402 | public SavedState[] newArray(int size) { |
| 403 | return new SavedState[size]; |
| 404 | } |
| 405 | }; |
| 406 | } |
| 407 | |
| 408 | @Override |
| 409 | public Parcelable onSaveInstanceState() { |
| 410 | if (DEBUG) Log.v(TAG, "onSaveInstanceState()"); |
| 411 | Parcelable superState = super.onSaveInstanceState(); |
| 412 | SavedState ss = new SavedState(superState); |
Jim Miller | a5ff5b4 | 2011-10-19 17:36:51 -0700 | [diff] [blame] | 413 | ss.wasShowing = mWidgetCallbacks != null && mWidgetCallbacks.isVisible(this); |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 414 | return ss; |
| 415 | } |
| 416 | |
| 417 | @Override |
| 418 | public void onRestoreInstanceState(Parcelable state) { |
| 419 | if (DEBUG) Log.v(TAG, "onRestoreInstanceState()"); |
| 420 | if (!(state instanceof SavedState)) { |
| 421 | super.onRestoreInstanceState(state); |
| 422 | return; |
| 423 | } |
| 424 | SavedState ss = (SavedState) state; |
| 425 | super.onRestoreInstanceState(ss.getSuperState()); |
Jim Miller | a5ff5b4 | 2011-10-19 17:36:51 -0700 | [diff] [blame] | 426 | if (ss.wasShowing && mWidgetCallbacks != null) { |
Jim Miller | 4e6d358 | 2011-10-13 18:22:13 -0700 | [diff] [blame] | 427 | mWidgetCallbacks.requestShow(this); |
| 428 | } |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | public void onClick(View v) { |
| 432 | int keyCode = -1; |
| 433 | if (v == mBtnPrev) { |
| 434 | keyCode = KeyEvent.KEYCODE_MEDIA_PREVIOUS; |
| 435 | } else if (v == mBtnNext) { |
| 436 | keyCode = KeyEvent.KEYCODE_MEDIA_NEXT; |
| 437 | } else if (v == mBtnPlay) { |
| 438 | keyCode = KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE; |
| 439 | |
| 440 | } |
| 441 | if (keyCode != -1) { |
| 442 | sendMediaButtonClick(keyCode); |
| 443 | if (mWidgetCallbacks != null) { |
| 444 | mWidgetCallbacks.userActivity(this); |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 445 | } |
| 446 | } |
| 447 | } |
| 448 | |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 449 | private void sendMediaButtonClick(int keyCode) { |
Jim Miller | a5ff5b4 | 2011-10-19 17:36:51 -0700 | [diff] [blame] | 450 | if (mClientIntent == null) { |
| 451 | // Shouldn't be possible because this view should be hidden in this case. |
| 452 | Log.e(TAG, "sendMediaButtonClick(): No client is currently registered"); |
| 453 | return; |
| 454 | } |
Jean-Michel Trivi | f0cff04 | 2011-09-14 18:11:09 -0700 | [diff] [blame] | 455 | // use the registered PendingIntent that will be processed by the registered |
| 456 | // media button event receiver, which is the component of mClientIntent |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 457 | KeyEvent keyEvent = new KeyEvent(KeyEvent.ACTION_DOWN, keyCode); |
| 458 | Intent intent = new Intent(Intent.ACTION_MEDIA_BUTTON); |
| 459 | intent.putExtra(Intent.EXTRA_KEY_EVENT, keyEvent); |
Jean-Michel Trivi | f0cff04 | 2011-09-14 18:11:09 -0700 | [diff] [blame] | 460 | try { |
| 461 | mClientIntent.send(getContext(), 0, intent); |
| 462 | } catch (CanceledException e) { |
| 463 | Log.e(TAG, "Error sending intent for media button down: "+e); |
| 464 | e.printStackTrace(); |
| 465 | } |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 466 | |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 467 | keyEvent = new KeyEvent(KeyEvent.ACTION_UP, keyCode); |
| 468 | intent = new Intent(Intent.ACTION_MEDIA_BUTTON); |
| 469 | intent.putExtra(Intent.EXTRA_KEY_EVENT, keyEvent); |
Jean-Michel Trivi | f0cff04 | 2011-09-14 18:11:09 -0700 | [diff] [blame] | 470 | try { |
| 471 | mClientIntent.send(getContext(), 0, intent); |
| 472 | } catch (CanceledException e) { |
| 473 | Log.e(TAG, "Error sending intent for media button up: "+e); |
| 474 | e.printStackTrace(); |
| 475 | } |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 476 | } |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 477 | |
Jim Miller | 1c18828 | 2011-08-08 22:27:58 -0700 | [diff] [blame] | 478 | public void setCallback(LockScreenWidgetCallback callback) { |
| 479 | mWidgetCallbacks = callback; |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 480 | } |
| 481 | |
Jeff Sharkey | 054340d | 2011-09-01 22:28:03 -0700 | [diff] [blame] | 482 | public boolean providesClock() { |
| 483 | return false; |
| 484 | } |
| 485 | |
Jean-Michel Trivi | 6862239 | 2011-09-19 14:53:14 -0700 | [diff] [blame] | 486 | private boolean wasPlayingRecently(int state, long stateChangeTimeMs) { |
| 487 | switch (state) { |
| 488 | case RemoteControlClient.PLAYSTATE_PLAYING: |
| 489 | case RemoteControlClient.PLAYSTATE_FAST_FORWARDING: |
| 490 | case RemoteControlClient.PLAYSTATE_REWINDING: |
| 491 | case RemoteControlClient.PLAYSTATE_SKIPPING_FORWARDS: |
| 492 | case RemoteControlClient.PLAYSTATE_SKIPPING_BACKWARDS: |
| 493 | case RemoteControlClient.PLAYSTATE_BUFFERING: |
| 494 | // actively playing or about to play |
| 495 | return true; |
| 496 | case RemoteControlClient.PLAYSTATE_NONE: |
| 497 | return false; |
| 498 | case RemoteControlClient.PLAYSTATE_STOPPED: |
| 499 | case RemoteControlClient.PLAYSTATE_PAUSED: |
| 500 | case RemoteControlClient.PLAYSTATE_ERROR: |
| 501 | // we have stopped playing, check how long ago |
| 502 | if (DEBUG) { |
| 503 | if ((SystemClock.elapsedRealtime() - stateChangeTimeMs) < DISPLAY_TIMEOUT_MS) { |
| 504 | Log.v(TAG, "wasPlayingRecently: time < TIMEOUT was playing recently"); |
| 505 | } else { |
| 506 | Log.v(TAG, "wasPlayingRecently: time > TIMEOUT"); |
| 507 | } |
| 508 | } |
| 509 | return ((SystemClock.elapsedRealtime() - stateChangeTimeMs) < DISPLAY_TIMEOUT_MS); |
| 510 | default: |
| 511 | Log.e(TAG, "Unknown playback state " + state + " in wasPlayingRecently()"); |
| 512 | return false; |
| 513 | } |
| 514 | } |
Jim Miller | 6b05d58 | 2011-07-18 13:09:59 -0700 | [diff] [blame] | 515 | } |