| /* |
| * Copyright (C) 2014 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 com.android.systemui.volume; |
| |
| import android.app.Notification; |
| import android.app.NotificationManager; |
| import android.app.PendingIntent; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.DialogInterface.OnClickListener; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ApplicationInfo; |
| import android.content.res.Configuration; |
| import android.media.AudioManager; |
| import android.media.IRemoteVolumeController; |
| import android.media.IVolumeController; |
| import android.media.session.ISessionController; |
| import android.media.session.MediaController; |
| import android.media.session.MediaSessionManager; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.RemoteException; |
| import android.provider.Settings; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import com.android.systemui.R; |
| import com.android.systemui.SystemUI; |
| import com.android.systemui.keyguard.KeyguardViewMediator; |
| import com.android.systemui.qs.tiles.DndTile; |
| import com.android.systemui.statusbar.ServiceMonitor; |
| import com.android.systemui.statusbar.phone.PhoneStatusBar; |
| import com.android.systemui.statusbar.phone.SystemUIDialog; |
| import com.android.systemui.statusbar.policy.ZenModeController; |
| import com.android.systemui.statusbar.policy.ZenModeControllerImpl; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| |
| public class VolumeUI extends SystemUI { |
| private static final String TAG = "VolumeUI"; |
| private static boolean LOGD = Log.isLoggable(TAG, Log.DEBUG); |
| |
| private final Handler mHandler = new Handler(); |
| private final Receiver mReceiver = new Receiver(); |
| private final RestorationNotification mRestorationNotification = new RestorationNotification(); |
| |
| private boolean mEnabled; |
| private AudioManager mAudioManager; |
| private NotificationManager mNotificationManager; |
| private MediaSessionManager mMediaSessionManager; |
| private VolumeController mVolumeController; |
| private RemoteVolumeController mRemoteVolumeController; |
| private ServiceMonitor mVolumeControllerService; |
| |
| private VolumePanel mPanel; |
| private int mDismissDelay; |
| |
| @Override |
| public void start() { |
| mEnabled = mContext.getResources().getBoolean(R.bool.enable_volume_ui); |
| if (!mEnabled) return; |
| mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); |
| mNotificationManager = |
| (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); |
| mMediaSessionManager = (MediaSessionManager) mContext |
| .getSystemService(Context.MEDIA_SESSION_SERVICE); |
| initPanel(); |
| mVolumeController = new VolumeController(); |
| mRemoteVolumeController = new RemoteVolumeController(); |
| putComponent(VolumeComponent.class, mVolumeController); |
| mReceiver.start(); |
| mVolumeControllerService = new ServiceMonitor(TAG, LOGD, |
| mContext, Settings.Secure.VOLUME_CONTROLLER_SERVICE_COMPONENT, |
| new ServiceMonitorCallbacks()); |
| mVolumeControllerService.start(); |
| } |
| |
| @Override |
| protected void onConfigurationChanged(Configuration newConfig) { |
| super.onConfigurationChanged(newConfig); |
| if (mPanel != null) { |
| mPanel.onConfigurationChanged(newConfig); |
| } |
| } |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.print("mEnabled="); pw.println(mEnabled); |
| pw.print("mVolumeControllerService="); pw.println(mVolumeControllerService.getComponent()); |
| if (mPanel != null) { |
| mPanel.dump(fd, pw, args); |
| } |
| } |
| |
| private void setVolumeController(boolean register) { |
| if (register) { |
| if (LOGD) Log.d(TAG, "Registering volume controller"); |
| mAudioManager.setVolumeController(mVolumeController); |
| mMediaSessionManager.setRemoteVolumeController(mRemoteVolumeController); |
| DndTile.setVisible(mContext, false); |
| } else { |
| if (LOGD) Log.d(TAG, "Unregistering volume controller"); |
| mAudioManager.setVolumeController(null); |
| mMediaSessionManager.setRemoteVolumeController(null); |
| } |
| } |
| |
| private void initPanel() { |
| mDismissDelay = mContext.getResources().getInteger(R.integer.volume_panel_dismiss_delay); |
| mPanel = new VolumePanel(mContext, new ZenModeControllerImpl(mContext, mHandler)); |
| mPanel.setCallback(new VolumePanel.Callback() { |
| @Override |
| public void onZenSettings() { |
| mHandler.removeCallbacks(mStartZenSettings); |
| mHandler.post(mStartZenSettings); |
| } |
| |
| @Override |
| public void onInteraction() { |
| final KeyguardViewMediator kvm = getComponent(KeyguardViewMediator.class); |
| if (kvm != null) { |
| kvm.userActivity(); |
| } |
| } |
| |
| @Override |
| public void onVisible(boolean visible) { |
| if (mAudioManager != null && mVolumeController != null) { |
| mAudioManager.notifyVolumeControllerVisible(mVolumeController, visible); |
| } |
| } |
| }); |
| } |
| |
| private String getAppLabel(ComponentName component) { |
| final String pkg = component.getPackageName(); |
| try { |
| final ApplicationInfo ai = mContext.getPackageManager().getApplicationInfo(pkg, 0); |
| final String rt = mContext.getPackageManager().getApplicationLabel(ai).toString(); |
| if (!TextUtils.isEmpty(rt)) { |
| return rt; |
| } |
| } catch (Exception e) { |
| Log.w(TAG, "Error loading app label", e); |
| } |
| return pkg; |
| } |
| |
| private void showServiceActivationDialog(final ComponentName component) { |
| final SystemUIDialog d = new SystemUIDialog(mContext); |
| d.setMessage(mContext.getString(R.string.volumeui_prompt_message, getAppLabel(component))); |
| d.setPositiveButton(R.string.volumeui_prompt_allow, new OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| mVolumeControllerService.setComponent(component); |
| } |
| }); |
| d.setNegativeButton(R.string.volumeui_prompt_deny, null); |
| d.show(); |
| } |
| |
| private final Runnable mStartZenSettings = new Runnable() { |
| @Override |
| public void run() { |
| getComponent(PhoneStatusBar.class).startActivityDismissingKeyguard( |
| ZenModePanel.ZEN_SETTINGS, true /* onlyProvisioned */, true /* dismissShade */); |
| mPanel.postDismiss(mDismissDelay); |
| } |
| }; |
| |
| /** For now, simply host an unmodified base volume panel in this process. */ |
| private final class VolumeController extends IVolumeController.Stub implements VolumeComponent { |
| |
| @Override |
| public void displaySafeVolumeWarning(int flags) throws RemoteException { |
| mPanel.postDisplaySafeVolumeWarning(flags); |
| } |
| |
| @Override |
| public void volumeChanged(int streamType, int flags) |
| throws RemoteException { |
| mPanel.postVolumeChanged(streamType, flags); |
| } |
| |
| @Override |
| public void masterVolumeChanged(int flags) throws RemoteException { |
| mPanel.postMasterVolumeChanged(flags); |
| } |
| |
| @Override |
| public void masterMuteChanged(int flags) throws RemoteException { |
| mPanel.postMasterMuteChanged(flags); |
| } |
| |
| @Override |
| public void setLayoutDirection(int layoutDirection) |
| throws RemoteException { |
| mPanel.postLayoutDirection(layoutDirection); |
| } |
| |
| @Override |
| public void dismiss() throws RemoteException { |
| dismissNow(); |
| } |
| |
| @Override |
| public ZenModeController getZenController() { |
| return mPanel.getZenController(); |
| } |
| |
| @Override |
| public void dispatchDemoCommand(String command, Bundle args) { |
| mPanel.dispatchDemoCommand(command, args); |
| } |
| |
| @Override |
| public void dismissNow() { |
| mPanel.postDismiss(0); |
| } |
| } |
| |
| private final class RemoteVolumeController extends IRemoteVolumeController.Stub { |
| |
| @Override |
| public void remoteVolumeChanged(ISessionController binder, int flags) |
| throws RemoteException { |
| MediaController controller = new MediaController(mContext, binder); |
| mPanel.postRemoteVolumeChanged(controller, flags); |
| } |
| |
| @Override |
| public void updateRemoteController(ISessionController session) throws RemoteException { |
| mPanel.postRemoteSliderVisibility(session != null); |
| // TODO stash default session in case the slider can be opened other |
| // than by remoteVolumeChanged. |
| } |
| } |
| |
| private final class ServiceMonitorCallbacks implements ServiceMonitor.Callbacks { |
| @Override |
| public void onNoService() { |
| if (LOGD) Log.d(TAG, "onNoService"); |
| setVolumeController(true); |
| mRestorationNotification.hide(); |
| } |
| |
| @Override |
| public long onServiceStartAttempt() { |
| if (LOGD) Log.d(TAG, "onServiceStartAttempt"); |
| setVolumeController(false); |
| mVolumeController.dismissNow(); |
| mRestorationNotification.show(); |
| return 0; |
| } |
| } |
| |
| private final class Receiver extends BroadcastReceiver { |
| private static final String ENABLE = "com.android.systemui.vui.ENABLE"; |
| private static final String DISABLE = "com.android.systemui.vui.DISABLE"; |
| private static final String EXTRA_COMPONENT = "component"; |
| |
| public void start() { |
| final IntentFilter filter = new IntentFilter(); |
| filter.addAction(ENABLE); |
| filter.addAction(DISABLE); |
| mContext.registerReceiver(this, filter, null, mHandler); |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| final ComponentName component = intent.getParcelableExtra(EXTRA_COMPONENT); |
| final boolean current = component.equals(mVolumeControllerService.getComponent()); |
| if (ENABLE.equals(action) && component != null) { |
| if (!current) { |
| showServiceActivationDialog(component); |
| } |
| } |
| if (DISABLE.equals(action) && component != null) { |
| if (current) { |
| mVolumeControllerService.setComponent(null); |
| } |
| } |
| } |
| } |
| |
| private final class RestorationNotification { |
| public void hide() { |
| mNotificationManager.cancel(R.id.notification_volumeui); |
| } |
| |
| public void show() { |
| final ComponentName component = mVolumeControllerService.getComponent(); |
| if (component == null) { |
| Log.w(TAG, "Not showing restoration notification, component not active"); |
| return; |
| } |
| final Intent intent = new Intent(Receiver.DISABLE) |
| .putExtra(Receiver.EXTRA_COMPONENT, component); |
| mNotificationManager.notify(R.id.notification_volumeui, |
| new Notification.Builder(mContext) |
| .setSmallIcon(R.drawable.ic_ringer_audible) |
| .setWhen(0) |
| .setShowWhen(false) |
| .setOngoing(true) |
| .setContentTitle(mContext.getString( |
| R.string.volumeui_notification_title, getAppLabel(component))) |
| .setContentText(mContext.getString(R.string.volumeui_notification_text)) |
| .setContentIntent(PendingIntent.getBroadcast(mContext, 0, intent, 0)) |
| .setPriority(Notification.PRIORITY_MIN) |
| .setVisibility(Notification.VISIBILITY_PUBLIC) |
| .setColor(mContext.getResources().getColor( |
| com.android.internal.R.color.system_notification_accent_color)) |
| .build()); |
| } |
| } |
| } |