/* * 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 android.view; import com.android.internal.R; import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface.OnDismissListener; import android.content.BroadcastReceiver; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.IntentFilter; import android.content.res.Resources; import android.media.AudioManager; import android.media.AudioService; import android.media.AudioSystem; import android.media.RingtoneManager; import android.media.ToneGenerator; import android.net.Uri; import android.os.Handler; import android.os.Message; import android.os.Vibrator; import android.util.Log; import android.view.WindowManager.LayoutParams; import android.widget.ImageView; import android.widget.SeekBar; import android.widget.SeekBar.OnSeekBarChangeListener; import java.util.HashMap; /** * Handle the volume up and down keys. * * This code really should be moved elsewhere. * * Seriously, it really really should be moved elsewhere. This is used by * android.media.AudioService, which actually runs in the system process, to * show the volume dialog when the user changes the volume. What a mess. * * @hide */ public class VolumePanel extends Handler implements OnSeekBarChangeListener, View.OnClickListener { private static final String TAG = "VolumePanel"; private static boolean LOGD = false; /** * The delay before playing a sound. This small period exists so the user * can press another key (non-volume keys, too) to have it NOT be audible. *

* PhoneWindow will implement this part. */ public static final int PLAY_SOUND_DELAY = 300; /** * The delay before vibrating. This small period exists so if the user is * moving to silent mode, it will not emit a short vibrate (it normally * would since vibrate is between normal mode and silent mode using hardware * keys). */ public static final int VIBRATE_DELAY = 300; private static final int VIBRATE_DURATION = 300; private static final int BEEP_DURATION = 150; private static final int MAX_VOLUME = 100; private static final int FREE_DELAY = 10000; private static final int TIMEOUT_DELAY = 3000; private static final int MSG_VOLUME_CHANGED = 0; private static final int MSG_FREE_RESOURCES = 1; private static final int MSG_PLAY_SOUND = 2; private static final int MSG_STOP_SOUNDS = 3; private static final int MSG_VIBRATE = 4; private static final int MSG_TIMEOUT = 5; private static final int MSG_RINGER_MODE_CHANGED = 6; private static final int MSG_MUTE_CHANGED = 7; private static final int MSG_REMOTE_VOLUME_CHANGED = 8; private static final int MSG_REMOTE_VOLUME_UPDATE_IF_SHOWN = 9; private static final int MSG_SLIDER_VISIBILITY_CHANGED = 10; private static final int MSG_DISPLAY_SAFE_VOLUME_WARNING = 11; // Pseudo stream type for master volume private static final int STREAM_MASTER = -100; // Pseudo stream type for remote volume is defined in AudioService.STREAM_REMOTE_MUSIC protected Context mContext; private AudioManager mAudioManager; protected AudioService mAudioService; private boolean mRingIsSilent; private boolean mShowCombinedVolumes; private boolean mVoiceCapable; // True if we want to play tones on the system stream when the master stream is specified. private final boolean mPlayMasterStreamTones; /** Dialog containing all the sliders */ private final Dialog mDialog; /** Dialog's content view */ private final View mView; /** The visible portion of the volume overlay */ private final ViewGroup mPanel; /** Contains the sliders and their touchable icons */ private final ViewGroup mSliderGroup; /** The button that expands the dialog to show all sliders */ private final View mMoreButton; /** Dummy divider icon that needs to vanish with the more button */ private final View mDivider; /** Currently active stream that shows up at the top of the list of sliders */ private int mActiveStreamType = -1; /** All the slider controls mapped by stream type */ private HashMap mStreamControls; private enum StreamResources { BluetoothSCOStream(AudioManager.STREAM_BLUETOOTH_SCO, R.string.volume_icon_description_bluetooth, R.drawable.ic_audio_bt, R.drawable.ic_audio_bt, false), RingerStream(AudioManager.STREAM_RING, R.string.volume_icon_description_ringer, R.drawable.ic_audio_ring_notif, R.drawable.ic_audio_ring_notif_mute, false), VoiceStream(AudioManager.STREAM_VOICE_CALL, R.string.volume_icon_description_incall, R.drawable.ic_audio_phone, R.drawable.ic_audio_phone, false), AlarmStream(AudioManager.STREAM_ALARM, R.string.volume_alarm, R.drawable.ic_audio_alarm, R.drawable.ic_audio_alarm_mute, false), MediaStream(AudioManager.STREAM_MUSIC, R.string.volume_icon_description_media, R.drawable.ic_audio_vol, R.drawable.ic_audio_vol_mute, true), NotificationStream(AudioManager.STREAM_NOTIFICATION, R.string.volume_icon_description_notification, R.drawable.ic_audio_notification, R.drawable.ic_audio_notification_mute, true), // for now, use media resources for master volume MasterStream(STREAM_MASTER, R.string.volume_icon_description_media, //FIXME should have its own description R.drawable.ic_audio_vol, R.drawable.ic_audio_vol_mute, false), RemoteStream(AudioService.STREAM_REMOTE_MUSIC, R.string.volume_icon_description_media, //FIXME should have its own description R.drawable.ic_media_route_on_holo_dark, R.drawable.ic_media_route_disabled_holo_dark, false);// will be dynamically updated int streamType; int descRes; int iconRes; int iconMuteRes; // RING, VOICE_CALL & BLUETOOTH_SCO are hidden unless explicitly requested boolean show; StreamResources(int streamType, int descRes, int iconRes, int iconMuteRes, boolean show) { this.streamType = streamType; this.descRes = descRes; this.iconRes = iconRes; this.iconMuteRes = iconMuteRes; this.show = show; } }; // List of stream types and their order private static final StreamResources[] STREAMS = { StreamResources.BluetoothSCOStream, StreamResources.RingerStream, StreamResources.VoiceStream, StreamResources.MediaStream, StreamResources.NotificationStream, StreamResources.AlarmStream, StreamResources.MasterStream, StreamResources.RemoteStream }; /** Object that contains data for each slider */ private class StreamControl { int streamType; ViewGroup group; ImageView icon; SeekBar seekbarView; int iconRes; int iconMuteRes; } // Synchronize when accessing this private ToneGenerator mToneGenerators[]; private Vibrator mVibrator; private static AlertDialog sConfirmSafeVolumeDialog; private static Object sConfirmSafeVolumeLock = new Object(); private static class WarningDialogReceiver extends BroadcastReceiver implements DialogInterface.OnDismissListener { private Context mContext; private Dialog mDialog; WarningDialogReceiver(Context context, Dialog dialog) { mContext = context; mDialog = dialog; IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); context.registerReceiver(this, filter); } @Override public void onReceive(Context context, Intent intent) { mDialog.cancel(); synchronized (sConfirmSafeVolumeLock) { sConfirmSafeVolumeDialog = null; } } public void onDismiss(DialogInterface unused) { mContext.unregisterReceiver(this); synchronized (sConfirmSafeVolumeLock) { sConfirmSafeVolumeDialog = null; } } } public VolumePanel(final Context context, AudioService volumeService) { mContext = context; mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); mAudioService = volumeService; // For now, only show master volume if master volume is supported boolean useMasterVolume = context.getResources().getBoolean( com.android.internal.R.bool.config_useMasterVolume); if (useMasterVolume) { for (int i = 0; i < STREAMS.length; i++) { StreamResources streamRes = STREAMS[i]; streamRes.show = (streamRes.streamType == STREAM_MASTER); } } LayoutInflater inflater = (LayoutInflater) context .getSystemService(Context.LAYOUT_INFLATER_SERVICE); View view = mView = inflater.inflate(R.layout.volume_adjust, null); mView.setOnTouchListener(new View.OnTouchListener() { public boolean onTouch(View v, MotionEvent event) { resetTimeout(); return false; } }); mPanel = (ViewGroup) mView.findViewById(R.id.visible_panel); mSliderGroup = (ViewGroup) mView.findViewById(R.id.slider_group); mMoreButton = (ImageView) mView.findViewById(R.id.expand_button); mDivider = (ImageView) mView.findViewById(R.id.expand_button_divider); mDialog = new Dialog(context, R.style.Theme_Panel_Volume) { public boolean onTouchEvent(MotionEvent event) { if (isShowing() && event.getAction() == MotionEvent.ACTION_OUTSIDE) { forceTimeout(); return true; } return false; } }; mDialog.setTitle("Volume control"); // No need to localize mDialog.setContentView(mView); mDialog.setOnDismissListener(new OnDismissListener() { public void onDismiss(DialogInterface dialog) { mActiveStreamType = -1; mAudioManager.forceVolumeControlStream(mActiveStreamType); } }); // Change some window properties Window window = mDialog.getWindow(); window.setGravity(Gravity.TOP); LayoutParams lp = window.getAttributes(); lp.token = null; // Offset from the top lp.y = mContext.getResources().getDimensionPixelOffset( com.android.internal.R.dimen.volume_panel_top); lp.type = LayoutParams.TYPE_VOLUME_OVERLAY; lp.width = LayoutParams.WRAP_CONTENT; lp.height = LayoutParams.WRAP_CONTENT; window.setAttributes(lp); window.addFlags(LayoutParams.FLAG_NOT_FOCUSABLE | LayoutParams.FLAG_NOT_TOUCH_MODAL | LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH); mToneGenerators = new ToneGenerator[AudioSystem.getNumStreamTypes()]; mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE); mVoiceCapable = context.getResources().getBoolean(R.bool.config_voice_capable); mShowCombinedVolumes = !mVoiceCapable && !useMasterVolume; // If we don't want to show multiple volumes, hide the settings button and divider if (!mShowCombinedVolumes) { mMoreButton.setVisibility(View.GONE); mDivider.setVisibility(View.GONE); } else { mMoreButton.setOnClickListener(this); } boolean masterVolumeOnly = context.getResources().getBoolean( com.android.internal.R.bool.config_useMasterVolume); boolean masterVolumeKeySounds = mContext.getResources().getBoolean( com.android.internal.R.bool.config_useVolumeKeySounds); mPlayMasterStreamTones = masterVolumeOnly && masterVolumeKeySounds; listenToRingerMode(); } private void listenToRingerMode() { final IntentFilter filter = new IntentFilter(); filter.addAction(AudioManager.RINGER_MODE_CHANGED_ACTION); mContext.registerReceiver(new BroadcastReceiver() { public void onReceive(Context context, Intent intent) { final String action = intent.getAction(); if (AudioManager.RINGER_MODE_CHANGED_ACTION.equals(action)) { removeMessages(MSG_RINGER_MODE_CHANGED); sendMessage(obtainMessage(MSG_RINGER_MODE_CHANGED)); } } }, filter); } private boolean isMuted(int streamType) { if (streamType == STREAM_MASTER) { return mAudioManager.isMasterMute(); } else if (streamType == AudioService.STREAM_REMOTE_MUSIC) { return (mAudioService.getRemoteStreamVolume() <= 0); } else { return mAudioManager.isStreamMute(streamType); } } private int getStreamMaxVolume(int streamType) { if (streamType == STREAM_MASTER) { return mAudioManager.getMasterMaxVolume(); } else if (streamType == AudioService.STREAM_REMOTE_MUSIC) { return mAudioService.getRemoteStreamMaxVolume(); } else { return mAudioManager.getStreamMaxVolume(streamType); } } private int getStreamVolume(int streamType) { if (streamType == STREAM_MASTER) { return mAudioManager.getMasterVolume(); } else if (streamType == AudioService.STREAM_REMOTE_MUSIC) { return mAudioService.getRemoteStreamVolume(); } else { return mAudioManager.getStreamVolume(streamType); } } private void setStreamVolume(int streamType, int index, int flags) { if (streamType == STREAM_MASTER) { mAudioManager.setMasterVolume(index, flags); } else if (streamType == AudioService.STREAM_REMOTE_MUSIC) { mAudioService.setRemoteStreamVolume(index); } else { mAudioManager.setStreamVolume(streamType, index, flags); } } private void createSliders() { LayoutInflater inflater = (LayoutInflater) mContext .getSystemService(Context.LAYOUT_INFLATER_SERVICE); mStreamControls = new HashMap(STREAMS.length); Resources res = mContext.getResources(); for (int i = 0; i < STREAMS.length; i++) { StreamResources streamRes = STREAMS[i]; int streamType = streamRes.streamType; if (mVoiceCapable && streamRes == StreamResources.NotificationStream) { streamRes = StreamResources.RingerStream; } StreamControl sc = new StreamControl(); sc.streamType = streamType; sc.group = (ViewGroup) inflater.inflate(R.layout.volume_adjust_item, null); sc.group.setTag(sc); sc.icon = (ImageView) sc.group.findViewById(R.id.stream_icon); sc.icon.setTag(sc); sc.icon.setContentDescription(res.getString(streamRes.descRes)); sc.iconRes = streamRes.iconRes; sc.iconMuteRes = streamRes.iconMuteRes; sc.icon.setImageResource(sc.iconRes); sc.seekbarView = (SeekBar) sc.group.findViewById(R.id.seekbar); int plusOne = (streamType == AudioSystem.STREAM_BLUETOOTH_SCO || streamType == AudioSystem.STREAM_VOICE_CALL) ? 1 : 0; sc.seekbarView.setMax(getStreamMaxVolume(streamType) + plusOne); sc.seekbarView.setOnSeekBarChangeListener(this); sc.seekbarView.setTag(sc); mStreamControls.put(streamType, sc); } } private void reorderSliders(int activeStreamType) { mSliderGroup.removeAllViews(); StreamControl active = mStreamControls.get(activeStreamType); if (active == null) { Log.e("VolumePanel", "Missing stream type! - " + activeStreamType); mActiveStreamType = -1; } else { mSliderGroup.addView(active.group); mActiveStreamType = activeStreamType; active.group.setVisibility(View.VISIBLE); updateSlider(active); } addOtherVolumes(); } private void addOtherVolumes() { if (!mShowCombinedVolumes) return; for (int i = 0; i < STREAMS.length; i++) { // Skip the phone specific ones and the active one final int streamType = STREAMS[i].streamType; if (!STREAMS[i].show || streamType == mActiveStreamType) { continue; } StreamControl sc = mStreamControls.get(streamType); mSliderGroup.addView(sc.group); updateSlider(sc); } } /** Update the mute and progress state of a slider */ private void updateSlider(StreamControl sc) { sc.seekbarView.setProgress(getStreamVolume(sc.streamType)); final boolean muted = isMuted(sc.streamType); sc.icon.setImageResource(muted ? sc.iconMuteRes : sc.iconRes); if (sc.streamType == AudioManager.STREAM_RING && mAudioManager.getRingerMode() == AudioManager.RINGER_MODE_VIBRATE) { sc.icon.setImageResource(R.drawable.ic_audio_ring_notif_vibrate); } if (sc.streamType == AudioService.STREAM_REMOTE_MUSIC) { // never disable touch interactions for remote playback, the muting is not tied to // the state of the phone. sc.seekbarView.setEnabled(true); } else if (sc.streamType != mAudioManager.getMasterStreamType() && muted) { sc.seekbarView.setEnabled(false); } else { sc.seekbarView.setEnabled(true); } } private boolean isExpanded() { return mMoreButton.getVisibility() != View.VISIBLE; } private void expand() { final int count = mSliderGroup.getChildCount(); for (int i = 0; i < count; i++) { mSliderGroup.getChildAt(i).setVisibility(View.VISIBLE); } mMoreButton.setVisibility(View.INVISIBLE); mDivider.setVisibility(View.INVISIBLE); } private void collapse() { mMoreButton.setVisibility(View.VISIBLE); mDivider.setVisibility(View.VISIBLE); final int count = mSliderGroup.getChildCount(); for (int i = 1; i < count; i++) { mSliderGroup.getChildAt(i).setVisibility(View.GONE); } } private void updateStates() { final int count = mSliderGroup.getChildCount(); for (int i = 0; i < count; i++) { StreamControl sc = (StreamControl) mSliderGroup.getChildAt(i).getTag(); updateSlider(sc); } } public void postVolumeChanged(int streamType, int flags) { if (hasMessages(MSG_VOLUME_CHANGED)) return; synchronized (this) { if (mStreamControls == null) { createSliders(); } } removeMessages(MSG_FREE_RESOURCES); obtainMessage(MSG_VOLUME_CHANGED, streamType, flags).sendToTarget(); } public void postRemoteVolumeChanged(int streamType, int flags) { if (hasMessages(MSG_REMOTE_VOLUME_CHANGED)) return; synchronized (this) { if (mStreamControls == null) { createSliders(); } } removeMessages(MSG_FREE_RESOURCES); obtainMessage(MSG_REMOTE_VOLUME_CHANGED, streamType, flags).sendToTarget(); } public void postRemoteSliderVisibility(boolean visible) { obtainMessage(MSG_SLIDER_VISIBILITY_CHANGED, AudioService.STREAM_REMOTE_MUSIC, visible ? 1 : 0).sendToTarget(); } /** * Called by AudioService when it has received new remote playback information that * would affect the VolumePanel display (mainly volumes). The difference with * {@link #postRemoteVolumeChanged(int, int)} is that the handling of the posted message * (MSG_REMOTE_VOLUME_UPDATE_IF_SHOWN) will only update the volume slider if it is being * displayed. * This special code path is due to the fact that remote volume updates arrive to AudioService * asynchronously. So after AudioService has sent the volume update (which should be treated * as a request to update the volume), the application will likely set a new volume. If the UI * is still up, we need to refresh the display to show this new value. */ public void postHasNewRemotePlaybackInfo() { if (hasMessages(MSG_REMOTE_VOLUME_UPDATE_IF_SHOWN)) return; // don't create or prevent resources to be freed, if they disappear, this update came too // late and shouldn't warrant the panel to be displayed longer obtainMessage(MSG_REMOTE_VOLUME_UPDATE_IF_SHOWN).sendToTarget(); } public void postMasterVolumeChanged(int flags) { postVolumeChanged(STREAM_MASTER, flags); } public void postMuteChanged(int streamType, int flags) { if (hasMessages(MSG_VOLUME_CHANGED)) return; synchronized (this) { if (mStreamControls == null) { createSliders(); } } removeMessages(MSG_FREE_RESOURCES); obtainMessage(MSG_MUTE_CHANGED, streamType, flags).sendToTarget(); } public void postMasterMuteChanged(int flags) { postMuteChanged(STREAM_MASTER, flags); } public void postDisplaySafeVolumeWarning() { if (hasMessages(MSG_DISPLAY_SAFE_VOLUME_WARNING)) return; obtainMessage(MSG_DISPLAY_SAFE_VOLUME_WARNING, 0, 0).sendToTarget(); } /** * Override this if you have other work to do when the volume changes (for * example, vibrating, playing a sound, etc.). Make sure to call through to * the superclass implementation. */ protected void onVolumeChanged(int streamType, int flags) { if (LOGD) Log.d(TAG, "onVolumeChanged(streamType: " + streamType + ", flags: " + flags + ")"); if ((flags & AudioManager.FLAG_SHOW_UI) != 0) { synchronized (this) { if (mActiveStreamType != streamType) { reorderSliders(streamType); } onShowVolumeChanged(streamType, flags); } } if ((flags & AudioManager.FLAG_PLAY_SOUND) != 0 && ! mRingIsSilent) { removeMessages(MSG_PLAY_SOUND); sendMessageDelayed(obtainMessage(MSG_PLAY_SOUND, streamType, flags), PLAY_SOUND_DELAY); } if ((flags & AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE) != 0) { removeMessages(MSG_PLAY_SOUND); removeMessages(MSG_VIBRATE); onStopSounds(); } removeMessages(MSG_FREE_RESOURCES); sendMessageDelayed(obtainMessage(MSG_FREE_RESOURCES), FREE_DELAY); resetTimeout(); } protected void onMuteChanged(int streamType, int flags) { if (LOGD) Log.d(TAG, "onMuteChanged(streamType: " + streamType + ", flags: " + flags + ")"); StreamControl sc = mStreamControls.get(streamType); if (sc != null) { sc.icon.setImageResource(isMuted(sc.streamType) ? sc.iconMuteRes : sc.iconRes); } onVolumeChanged(streamType, flags); } protected void onShowVolumeChanged(int streamType, int flags) { int index = getStreamVolume(streamType); mRingIsSilent = false; if (LOGD) { Log.d(TAG, "onShowVolumeChanged(streamType: " + streamType + ", flags: " + flags + "), index: " + index); } // get max volume for progress bar int max = getStreamMaxVolume(streamType); switch (streamType) { case AudioManager.STREAM_RING: { // setRingerIcon(); Uri ringuri = RingtoneManager.getActualDefaultRingtoneUri( mContext, RingtoneManager.TYPE_RINGTONE); if (ringuri == null) { mRingIsSilent = true; } break; } case AudioManager.STREAM_MUSIC: { // Special case for when Bluetooth is active for music if ((mAudioManager.getDevicesForStream(AudioManager.STREAM_MUSIC) & (AudioManager.DEVICE_OUT_BLUETOOTH_A2DP | AudioManager.DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | AudioManager.DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER)) != 0) { setMusicIcon(R.drawable.ic_audio_bt, R.drawable.ic_audio_bt_mute); } else { setMusicIcon(R.drawable.ic_audio_vol, R.drawable.ic_audio_vol_mute); } break; } case AudioManager.STREAM_VOICE_CALL: { /* * For in-call voice call volume, there is no inaudible volume. * Rescale the UI control so the progress bar doesn't go all * the way to zero and don't show the mute icon. */ index++; max++; break; } case AudioManager.STREAM_ALARM: { break; } case AudioManager.STREAM_NOTIFICATION: { Uri ringuri = RingtoneManager.getActualDefaultRingtoneUri( mContext, RingtoneManager.TYPE_NOTIFICATION); if (ringuri == null) { mRingIsSilent = true; } break; } case AudioManager.STREAM_BLUETOOTH_SCO: { /* * For in-call voice call volume, there is no inaudible volume. * Rescale the UI control so the progress bar doesn't go all * the way to zero and don't show the mute icon. */ index++; max++; break; } case AudioService.STREAM_REMOTE_MUSIC: { if (LOGD) { Log.d(TAG, "showing remote volume "+index+" over "+ max); } break; } } StreamControl sc = mStreamControls.get(streamType); if (sc != null) { if (sc.seekbarView.getMax() != max) { sc.seekbarView.setMax(max); } sc.seekbarView.setProgress(index); if (((flags & AudioManager.FLAG_FIXED_VOLUME) != 0) || (streamType != mAudioManager.getMasterStreamType() && streamType != AudioService.STREAM_REMOTE_MUSIC && isMuted(streamType))) { sc.seekbarView.setEnabled(false); } else { sc.seekbarView.setEnabled(true); } } if (!mDialog.isShowing()) { int stream = (streamType == AudioService.STREAM_REMOTE_MUSIC) ? -1 : streamType; // when the stream is for remote playback, use -1 to reset the stream type evaluation mAudioManager.forceVolumeControlStream(stream); mDialog.setContentView(mView); // Showing dialog - use collapsed state if (mShowCombinedVolumes) { collapse(); } mDialog.show(); } // Do a little vibrate if applicable (only when going into vibrate mode) if ((streamType != AudioService.STREAM_REMOTE_MUSIC) && ((flags & AudioManager.FLAG_VIBRATE) != 0) && mAudioService.isStreamAffectedByRingerMode(streamType) && mAudioManager.getRingerMode() == AudioManager.RINGER_MODE_VIBRATE) { sendMessageDelayed(obtainMessage(MSG_VIBRATE), VIBRATE_DELAY); } } protected void onPlaySound(int streamType, int flags) { if (hasMessages(MSG_STOP_SOUNDS)) { removeMessages(MSG_STOP_SOUNDS); // Force stop right now onStopSounds(); } synchronized (this) { ToneGenerator toneGen = getOrCreateToneGenerator(streamType); if (toneGen != null) { toneGen.startTone(ToneGenerator.TONE_PROP_BEEP); sendMessageDelayed(obtainMessage(MSG_STOP_SOUNDS), BEEP_DURATION); } } } protected void onStopSounds() { synchronized (this) { int numStreamTypes = AudioSystem.getNumStreamTypes(); for (int i = numStreamTypes - 1; i >= 0; i--) { ToneGenerator toneGen = mToneGenerators[i]; if (toneGen != null) { toneGen.stopTone(); } } } } protected void onVibrate() { // Make sure we ended up in vibrate ringer mode if (mAudioManager.getRingerMode() != AudioManager.RINGER_MODE_VIBRATE) { return; } mVibrator.vibrate(VIBRATE_DURATION); } protected void onRemoteVolumeChanged(int streamType, int flags) { // streamType is the real stream type being affected, but for the UI sliders, we // refer to AudioService.STREAM_REMOTE_MUSIC. We still play the beeps on the real // stream type. if (LOGD) Log.d(TAG, "onRemoteVolumeChanged(stream:"+streamType+", flags: " + flags + ")"); if (((flags & AudioManager.FLAG_SHOW_UI) != 0) || mDialog.isShowing()) { synchronized (this) { if (mActiveStreamType != AudioService.STREAM_REMOTE_MUSIC) { reorderSliders(AudioService.STREAM_REMOTE_MUSIC); } onShowVolumeChanged(AudioService.STREAM_REMOTE_MUSIC, flags); } } else { if (LOGD) Log.d(TAG, "not calling onShowVolumeChanged(), no FLAG_SHOW_UI or no UI"); } if ((flags & AudioManager.FLAG_PLAY_SOUND) != 0 && ! mRingIsSilent) { removeMessages(MSG_PLAY_SOUND); sendMessageDelayed(obtainMessage(MSG_PLAY_SOUND, streamType, flags), PLAY_SOUND_DELAY); } if ((flags & AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE) != 0) { removeMessages(MSG_PLAY_SOUND); removeMessages(MSG_VIBRATE); onStopSounds(); } removeMessages(MSG_FREE_RESOURCES); sendMessageDelayed(obtainMessage(MSG_FREE_RESOURCES), FREE_DELAY); resetTimeout(); } protected void onRemoteVolumeUpdateIfShown() { if (LOGD) Log.d(TAG, "onRemoteVolumeUpdateIfShown()"); if (mDialog.isShowing() && (mActiveStreamType == AudioService.STREAM_REMOTE_MUSIC) && (mStreamControls != null)) { onShowVolumeChanged(AudioService.STREAM_REMOTE_MUSIC, 0); } } /** * Handler for MSG_SLIDER_VISIBILITY_CHANGED * Hide or show a slider * @param streamType can be a valid stream type value, or VolumePanel.STREAM_MASTER, * or AudioService.STREAM_REMOTE_MUSIC * @param visible */ synchronized protected void onSliderVisibilityChanged(int streamType, int visible) { if (LOGD) Log.d(TAG, "onSliderVisibilityChanged(stream="+streamType+", visi="+visible+")"); boolean isVisible = (visible == 1); for (int i = STREAMS.length - 1 ; i >= 0 ; i--) { StreamResources streamRes = STREAMS[i]; if (streamRes.streamType == streamType) { streamRes.show = isVisible; if (!isVisible && (mActiveStreamType == streamType)) { mActiveStreamType = -1; } break; } } } protected void onDisplaySafeVolumeWarning() { synchronized (sConfirmSafeVolumeLock) { if (sConfirmSafeVolumeDialog != null) { return; } sConfirmSafeVolumeDialog = new AlertDialog.Builder(mContext) .setMessage(com.android.internal.R.string.safe_media_volume_warning) .setPositiveButton(com.android.internal.R.string.yes, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { mAudioService.disableSafeMediaVolume(); } }) .setNegativeButton(com.android.internal.R.string.no, null) .setIconAttribute(android.R.attr.alertDialogIcon) .create(); final WarningDialogReceiver warning = new WarningDialogReceiver(mContext, sConfirmSafeVolumeDialog); sConfirmSafeVolumeDialog.setOnDismissListener(warning); sConfirmSafeVolumeDialog.getWindow().setType( WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); sConfirmSafeVolumeDialog.show(); } } /** * Lock on this VolumePanel instance as long as you use the returned ToneGenerator. */ private ToneGenerator getOrCreateToneGenerator(int streamType) { if (streamType == STREAM_MASTER) { // For devices that use the master volume setting only but still want to // play a volume-changed tone, direct the master volume pseudostream to // the system stream's tone generator. if (mPlayMasterStreamTones) { streamType = AudioManager.STREAM_SYSTEM; } else { return null; } } synchronized (this) { if (mToneGenerators[streamType] == null) { try { mToneGenerators[streamType] = new ToneGenerator(streamType, MAX_VOLUME); } catch (RuntimeException e) { if (LOGD) { Log.d(TAG, "ToneGenerator constructor failed with " + "RuntimeException: " + e); } } } return mToneGenerators[streamType]; } } /** * Switch between icons because Bluetooth music is same as music volume, but with * different icons. */ private void setMusicIcon(int resId, int resMuteId) { StreamControl sc = mStreamControls.get(AudioManager.STREAM_MUSIC); if (sc != null) { sc.iconRes = resId; sc.iconMuteRes = resMuteId; sc.icon.setImageResource(isMuted(sc.streamType) ? sc.iconMuteRes : sc.iconRes); } } protected void onFreeResources() { synchronized (this) { for (int i = mToneGenerators.length - 1; i >= 0; i--) { if (mToneGenerators[i] != null) { mToneGenerators[i].release(); } mToneGenerators[i] = null; } } } @Override public void handleMessage(Message msg) { switch (msg.what) { case MSG_VOLUME_CHANGED: { onVolumeChanged(msg.arg1, msg.arg2); break; } case MSG_MUTE_CHANGED: { onMuteChanged(msg.arg1, msg.arg2); break; } case MSG_FREE_RESOURCES: { onFreeResources(); break; } case MSG_STOP_SOUNDS: { onStopSounds(); break; } case MSG_PLAY_SOUND: { onPlaySound(msg.arg1, msg.arg2); break; } case MSG_VIBRATE: { onVibrate(); break; } case MSG_TIMEOUT: { if (mDialog.isShowing()) { mDialog.dismiss(); mActiveStreamType = -1; } break; } case MSG_RINGER_MODE_CHANGED: { if (mDialog.isShowing()) { updateStates(); } break; } case MSG_REMOTE_VOLUME_CHANGED: { onRemoteVolumeChanged(msg.arg1, msg.arg2); break; } case MSG_REMOTE_VOLUME_UPDATE_IF_SHOWN: onRemoteVolumeUpdateIfShown(); break; case MSG_SLIDER_VISIBILITY_CHANGED: onSliderVisibilityChanged(msg.arg1, msg.arg2); break; case MSG_DISPLAY_SAFE_VOLUME_WARNING: onDisplaySafeVolumeWarning(); break; } } private void resetTimeout() { removeMessages(MSG_TIMEOUT); sendMessageDelayed(obtainMessage(MSG_TIMEOUT), TIMEOUT_DELAY); } private void forceTimeout() { removeMessages(MSG_TIMEOUT); sendMessage(obtainMessage(MSG_TIMEOUT)); } public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { final Object tag = seekBar.getTag(); if (fromUser && tag instanceof StreamControl) { StreamControl sc = (StreamControl) tag; if (getStreamVolume(sc.streamType) != progress) { setStreamVolume(sc.streamType, progress, 0); } } resetTimeout(); } public void onStartTrackingTouch(SeekBar seekBar) { } public void onStopTrackingTouch(SeekBar seekBar) { final Object tag = seekBar.getTag(); if (tag instanceof StreamControl) { StreamControl sc = (StreamControl) tag; // because remote volume updates are asynchronous, AudioService might have received // a new remote volume value since the finger adjusted the slider. So when the // progress of the slider isn't being tracked anymore, adjust the slider to the last // "published" remote volume value, so the UI reflects the actual volume. if (sc.streamType == AudioService.STREAM_REMOTE_MUSIC) { seekBar.setProgress(getStreamVolume(AudioService.STREAM_REMOTE_MUSIC)); } } } public void onClick(View v) { if (v == mMoreButton) { expand(); } resetTimeout(); } }