434 lines
15 KiB
Java
434 lines
15 KiB
Java
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/*
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* Copyright (C) 2007 The Android Open Source Project
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* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.view;
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import android.bluetooth.HeadsetBase;
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import android.content.Context;
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import android.content.Intent;
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import android.content.res.Resources;
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import android.media.AudioManager;
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import android.media.AudioService;
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import android.media.AudioSystem;
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import android.media.RingtoneManager;
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import android.media.ToneGenerator;
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import android.net.Uri;
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import android.os.Handler;
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import android.os.Message;
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import android.os.Vibrator;
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import android.util.Config;
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import android.util.Log;
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import android.widget.ImageView;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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import android.widget.Toast;
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/**
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* Handle the volume up and down keys.
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*
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* This code really should be moved elsewhere.
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*
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* @hide
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*/
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public class VolumePanel extends Handler
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{
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private static final String TAG = "VolumePanel";
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private static boolean LOGD = false;
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/**
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* The delay before playing a sound. This small period exists so the user
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* can press another key (non-volume keys, too) to have it NOT be audible.
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* <p>
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* PhoneWindow will implement this part.
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*/
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public static final int PLAY_SOUND_DELAY = 300;
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/**
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* The delay before vibrating. This small period exists so if the user is
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* moving to silent mode, it will not emit a short vibrate (it normally
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* would since vibrate is between normal mode and silent mode using hardware
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* keys).
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*/
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public static final int VIBRATE_DELAY = 300;
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private static final int VIBRATE_DURATION = 300;
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private static final int BEEP_DURATION = 150;
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private static final int MAX_VOLUME = 100;
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private static final int FREE_DELAY = 10000;
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private static final int MSG_VOLUME_CHANGED = 0;
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private static final int MSG_FREE_RESOURCES = 1;
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private static final int MSG_PLAY_SOUND = 2;
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private static final int MSG_STOP_SOUNDS = 3;
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private static final int MSG_VIBRATE = 4;
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private static final int RINGTONE_VOLUME_TEXT = com.android.internal.R.string.volume_ringtone;
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private static final int MUSIC_VOLUME_TEXT = com.android.internal.R.string.volume_music;
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private static final int INCALL_VOLUME_TEXT = com.android.internal.R.string.volume_call;
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private static final int ALARM_VOLUME_TEXT = com.android.internal.R.string.volume_alarm;
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private static final int FM_VOLUME_TEXT = com.android.internal.R.string.volume_fm;
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private static final int UNKNOWN_VOLUME_TEXT = com.android.internal.R.string.volume_unknown;
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private static final int NOTIFICATION_VOLUME_TEXT =
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com.android.internal.R.string.volume_notification;
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private static final int BLUETOOTH_INCALL_VOLUME_TEXT =
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com.android.internal.R.string.volume_bluetooth_call;
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protected Context mContext;
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private AudioManager mAudioManager;
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protected AudioService mAudioService;
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private boolean mRingIsSilent;
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private final Toast mToast;
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private final View mView;
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private final TextView mMessage;
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private final TextView mAdditionalMessage;
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private final ImageView mSmallStreamIcon;
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private final ImageView mLargeStreamIcon;
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private final ProgressBar mLevel;
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// Synchronize when accessing this
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private ToneGenerator mToneGenerators[];
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private Vibrator mVibrator;
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public VolumePanel(Context context, AudioService volumeService) {
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mContext = context;
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mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
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mAudioService = volumeService;
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mToast = new Toast(context);
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LayoutInflater inflater = (LayoutInflater) context
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.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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View view = mView = inflater.inflate(com.android.internal.R.layout.volume_adjust, null);
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mMessage = (TextView) view.findViewById(com.android.internal.R.id.message);
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mAdditionalMessage =
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(TextView) view.findViewById(com.android.internal.R.id.additional_message);
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mSmallStreamIcon = (ImageView) view.findViewById(com.android.internal.R.id.other_stream_icon);
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mLargeStreamIcon = (ImageView) view.findViewById(com.android.internal.R.id.ringer_stream_icon);
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mLevel = (ProgressBar) view.findViewById(com.android.internal.R.id.level);
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mToneGenerators = new ToneGenerator[AudioSystem.getNumStreamTypes()];
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mVibrator = new Vibrator();
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}
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public void postVolumeChanged(int streamType, int flags) {
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if (hasMessages(MSG_VOLUME_CHANGED)) return;
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removeMessages(MSG_FREE_RESOURCES);
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obtainMessage(MSG_VOLUME_CHANGED, streamType, flags).sendToTarget();
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}
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/**
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* Override this if you have other work to do when the volume changes (for
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* example, vibrating, playing a sound, etc.). Make sure to call through to
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* the superclass implementation.
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*/
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protected void onVolumeChanged(int streamType, int flags) {
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if (LOGD) Log.d(TAG, "onVolumeChanged(streamType: " + streamType + ", flags: " + flags + ")");
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if ((flags & AudioManager.FLAG_SHOW_UI) != 0) {
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onShowVolumeChanged(streamType, flags);
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}
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if ((flags & AudioManager.FLAG_PLAY_SOUND) != 0 && ! mRingIsSilent) {
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removeMessages(MSG_PLAY_SOUND);
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sendMessageDelayed(obtainMessage(MSG_PLAY_SOUND, streamType, flags), PLAY_SOUND_DELAY);
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}
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if ((flags & AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE) != 0) {
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removeMessages(MSG_PLAY_SOUND);
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removeMessages(MSG_VIBRATE);
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onStopSounds();
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}
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removeMessages(MSG_FREE_RESOURCES);
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sendMessageDelayed(obtainMessage(MSG_FREE_RESOURCES), FREE_DELAY);
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}
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protected void onShowVolumeChanged(int streamType, int flags) {
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int index = mAudioService.getStreamVolume(streamType);
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int message = UNKNOWN_VOLUME_TEXT;
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int additionalMessage = 0;
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mRingIsSilent = false;
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if (LOGD) {
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Log.d(TAG, "onShowVolumeChanged(streamType: " + streamType
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+ ", flags: " + flags + "), index: " + index);
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}
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// get max volume for progress bar
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int max = mAudioService.getStreamMaxVolume(streamType);
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switch (streamType) {
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case AudioManager.STREAM_RING: {
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setRingerIcon();
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message = RINGTONE_VOLUME_TEXT;
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Uri ringuri = RingtoneManager.getActualDefaultRingtoneUri(
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mContext, RingtoneManager.TYPE_RINGTONE);
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if (ringuri == null) {
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additionalMessage =
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com.android.internal.R.string.volume_music_hint_silent_ringtone_selected;
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mRingIsSilent = true;
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}
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break;
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}
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case AudioManager.STREAM_MUSIC: {
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message = MUSIC_VOLUME_TEXT;
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if (mAudioManager.isBluetoothA2dpOn()) {
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additionalMessage =
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com.android.internal.R.string.volume_music_hint_playing_through_bluetooth;
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setLargeIcon(com.android.internal.R.drawable.ic_volume_bluetooth_ad2p);
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} else {
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setSmallIcon(index);
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}
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break;
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}
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case AudioManager.STREAM_FM: {
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message = FM_VOLUME_TEXT;
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setSmallIcon(index);
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break;
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}
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case AudioManager.STREAM_VOICE_CALL: {
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/*
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* For in-call voice call volume, there is no inaudible volume.
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* Rescale the UI control so the progress bar doesn't go all
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* the way to zero and don't show the mute icon.
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*/
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index++;
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max++;
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message = INCALL_VOLUME_TEXT;
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setSmallIcon(index);
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break;
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}
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case AudioManager.STREAM_ALARM: {
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message = ALARM_VOLUME_TEXT;
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setSmallIcon(index);
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break;
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}
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case AudioManager.STREAM_NOTIFICATION: {
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message = NOTIFICATION_VOLUME_TEXT;
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setSmallIcon(index);
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Uri ringuri = RingtoneManager.getActualDefaultRingtoneUri(
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mContext, RingtoneManager.TYPE_NOTIFICATION);
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if (ringuri == null) {
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additionalMessage =
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com.android.internal.R.string.volume_music_hint_silent_ringtone_selected;
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mRingIsSilent = true;
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}
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break;
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}
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case AudioManager.STREAM_BLUETOOTH_SCO: {
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/*
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* For in-call voice call volume, there is no inaudible volume.
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* Rescale the UI control so the progress bar doesn't go all
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* the way to zero and don't show the mute icon.
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*/
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index++;
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max++;
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message = BLUETOOTH_INCALL_VOLUME_TEXT;
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setLargeIcon(com.android.internal.R.drawable.ic_volume_bluetooth_in_call);
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break;
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}
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}
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String messageString = Resources.getSystem().getString(message);
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if (!mMessage.getText().equals(messageString)) {
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mMessage.setText(messageString);
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}
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if (additionalMessage == 0) {
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mAdditionalMessage.setVisibility(View.GONE);
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} else {
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mAdditionalMessage.setVisibility(View.VISIBLE);
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mAdditionalMessage.setText(Resources.getSystem().getString(additionalMessage));
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}
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if (max != mLevel.getMax()) {
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mLevel.setMax(max);
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}
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mLevel.setProgress(index);
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mToast.setView(mView);
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mToast.setDuration(Toast.LENGTH_SHORT);
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mToast.setGravity(Gravity.TOP, 0, 0);
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mToast.show();
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// Do a little vibrate if applicable (only when going into vibrate mode)
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if ((flags & AudioManager.FLAG_VIBRATE) != 0 &&
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mAudioService.isStreamAffectedByRingerMode(streamType) &&
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mAudioService.getRingerMode() == AudioManager.RINGER_MODE_VIBRATE &&
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mAudioService.shouldVibrate(AudioManager.VIBRATE_TYPE_RINGER)) {
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sendMessageDelayed(obtainMessage(MSG_VIBRATE), VIBRATE_DELAY);
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}
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}
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protected void onPlaySound(int streamType, int flags) {
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if (hasMessages(MSG_STOP_SOUNDS)) {
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removeMessages(MSG_STOP_SOUNDS);
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// Force stop right now
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onStopSounds();
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}
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synchronized (this) {
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ToneGenerator toneGen = getOrCreateToneGenerator(streamType);
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toneGen.startTone(ToneGenerator.TONE_PROP_BEEP);
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}
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sendMessageDelayed(obtainMessage(MSG_STOP_SOUNDS), BEEP_DURATION);
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}
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protected void onStopSounds() {
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synchronized (this) {
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int numStreamTypes = AudioSystem.getNumStreamTypes();
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for (int i = numStreamTypes - 1; i >= 0; i--) {
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ToneGenerator toneGen = mToneGenerators[i];
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if (toneGen != null) {
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toneGen.stopTone();
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}
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}
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}
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}
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protected void onVibrate() {
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// Make sure we ended up in vibrate ringer mode
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if (mAudioService.getRingerMode() != AudioManager.RINGER_MODE_VIBRATE) {
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return;
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}
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mVibrator.vibrate(VIBRATE_DURATION);
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}
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/**
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* Lock on this VolumePanel instance as long as you use the returned ToneGenerator.
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*/
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private ToneGenerator getOrCreateToneGenerator(int streamType) {
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synchronized (this) {
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if (mToneGenerators[streamType] == null) {
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return mToneGenerators[streamType] = new ToneGenerator(streamType, MAX_VOLUME);
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} else {
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return mToneGenerators[streamType];
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}
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}
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}
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/**
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* Makes the small icon visible, and hides the large icon.
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*
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* @param index The volume index, where 0 means muted.
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*/
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private void setSmallIcon(int index) {
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mLargeStreamIcon.setVisibility(View.GONE);
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mSmallStreamIcon.setVisibility(View.VISIBLE);
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mSmallStreamIcon.setImageResource(index == 0
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? com.android.internal.R.drawable.ic_volume_off_small
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: com.android.internal.R.drawable.ic_volume_small);
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}
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/**
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* Makes the large image view visible with the given icon.
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*
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* @param resId The icon to display.
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*/
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private void setLargeIcon(int resId) {
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mSmallStreamIcon.setVisibility(View.GONE);
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mLargeStreamIcon.setVisibility(View.VISIBLE);
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mLargeStreamIcon.setImageResource(resId);
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}
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/**
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* Makes the ringer icon visible with an icon that is chosen
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* based on the current ringer mode.
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*/
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private void setRingerIcon() {
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mSmallStreamIcon.setVisibility(View.GONE);
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mLargeStreamIcon.setVisibility(View.VISIBLE);
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|
|
|
||
|
|
int ringerMode = mAudioService.getRingerMode();
|
||
|
|
int icon;
|
||
|
|
|
||
|
|
if (LOGD) Log.d(TAG, "setRingerIcon(), ringerMode: " + ringerMode);
|
||
|
|
|
||
|
|
if (ringerMode == AudioManager.RINGER_MODE_SILENT) {
|
||
|
|
icon = com.android.internal.R.drawable.ic_volume_off;
|
||
|
|
} else if (ringerMode == AudioManager.RINGER_MODE_VIBRATE) {
|
||
|
|
icon = com.android.internal.R.drawable.ic_vibrate;
|
||
|
|
} else {
|
||
|
|
icon = com.android.internal.R.drawable.ic_volume;
|
||
|
|
}
|
||
|
|
mLargeStreamIcon.setImageResource(icon);
|
||
|
|
}
|
||
|
|
|
||
|
|
protected void onFreeResources() {
|
||
|
|
// We'll keep the views, just ditch the cached drawable and hence
|
||
|
|
// bitmaps
|
||
|
|
mSmallStreamIcon.setImageDrawable(null);
|
||
|
|
mLargeStreamIcon.setImageDrawable(null);
|
||
|
|
|
||
|
|
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_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;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|