Merge "Allow Activity/Service to get media keys across the boot" (2f16d51c) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/media/MediaSessionService.java

+81 −12

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.server.media;

		import android.annotation.Nullable;
		import android.app.ActivityManager;
		import android.app.INotificationManager;
		import android.app.KeyguardManager;
		@@ -27,8 +28,10 @@ import android.content.ComponentName;
		import android.content.ContentResolver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.pm.ActivityInfo;
		import android.content.pm.PackageManager;
		import android.content.pm.PackageManager.NameNotFoundException;
		import android.content.pm.ServiceInfo;
		import android.content.pm.UserInfo;
		import android.database.ContentObserver;
		import android.media.AudioManager;
		@@ -634,11 +637,17 @@ public class MediaSessionService extends SystemService implements Monitor {
		* <p>The contents of this object is guarded by {@link #mLock}.
		*/
		final class FullUserRecord implements MediaSessionStack.OnMediaButtonSessionChangedListener {
		public static final int COMPONENT_TYPE_INVALID = 0;
		public static final int COMPONENT_TYPE_BROADCAST = 1;
		public static final int COMPONENT_TYPE_ACTIVITY = 2;
		public static final int COMPONENT_TYPE_SERVICE = 3;
		private static final String COMPONENT_NAME_USER_ID_DELIM = ",";

		private final int mFullUserId;
		private final MediaSessionStack mPriorityStack;
		private PendingIntent mLastMediaButtonReceiver;
		private ComponentName mRestoredMediaButtonReceiver;
		private int mRestoredMediaButtonReceiverComponentType;
		private int mRestoredMediaButtonReceiverUserId;

		private IOnVolumeKeyLongPressListener mOnVolumeKeyLongPressListener;
		@@ -655,17 +664,23 @@ public class MediaSessionService extends SystemService implements Monitor {
		mFullUserId = fullUserId;
		mPriorityStack = new MediaSessionStack(mAudioPlayerStateMonitor, this);
		// Restore the remembered media button receiver before the boot.
		String mediaButtonReceiver = Settings.Secure.getStringForUser(mContentResolver,
		String mediaButtonReceiverInfo = Settings.Secure.getStringForUser(mContentResolver,
		Settings.System.MEDIA_BUTTON_RECEIVER, mFullUserId);
		if (mediaButtonReceiver == null) {
		if (mediaButtonReceiverInfo == null) {
		return;
		}
		String[] tokens = mediaButtonReceiver.split(COMPONENT_NAME_USER_ID_DELIM);
		if (tokens == null \|\| tokens.length != 2) {
		String[] tokens = mediaButtonReceiverInfo.split(COMPONENT_NAME_USER_ID_DELIM);
		if (tokens == null \|\| (tokens.length != 2 && tokens.length != 3)) {
		return;
		}
		mRestoredMediaButtonReceiver = ComponentName.unflattenFromString(tokens[0]);
		mRestoredMediaButtonReceiverUserId = Integer.parseInt(tokens[1]);
		if (tokens.length == 3) {
		mRestoredMediaButtonReceiverComponentType = Integer.parseInt(tokens[2]);
		} else {
		mRestoredMediaButtonReceiverComponentType =
		getComponentType(mRestoredMediaButtonReceiver);
		}
		}

		public void destroySessionsForUserLocked(int userId) {
		@@ -696,6 +711,8 @@ public class MediaSessionService extends SystemService implements Monitor {
		pw.println(indent + "Callback: " + mCallback);
		pw.println(indent + "Last MediaButtonReceiver: " + mLastMediaButtonReceiver);
		pw.println(indent + "Restored MediaButtonReceiver: " + mRestoredMediaButtonReceiver);
		pw.println(indent + "Restored MediaButtonReceiverComponentType: "
		+ mRestoredMediaButtonReceiverComponentType);
		mPriorityStack.dump(pw, indent);
		}

		@@ -722,17 +739,22 @@ public class MediaSessionService extends SystemService implements Monitor {
		PendingIntent receiver = record.getMediaButtonReceiver();
		mLastMediaButtonReceiver = receiver;
		mRestoredMediaButtonReceiver = null;
		String componentName = "";
		mRestoredMediaButtonReceiverComponentType = COMPONENT_TYPE_INVALID;

		String mediaButtonReceiverInfo = "";
		if (receiver != null) {
		ComponentName component = receiver.getIntent().getComponent();
		if (component != null
		&& record.getPackageName().equals(component.getPackageName())) {
		componentName = component.flattenToString();
		String componentName = component.flattenToString();
		int componentType = getComponentType(component);
		mediaButtonReceiverInfo = String.join(COMPONENT_NAME_USER_ID_DELIM,
		componentName, String.valueOf(record.getUserId()),
		String.valueOf(componentType));
		}
		}
		Settings.Secure.putStringForUser(mContentResolver,
		Settings.System.MEDIA_BUTTON_RECEIVER,
		componentName + COMPONENT_NAME_USER_ID_DELIM + record.getUserId(),
		Settings.System.MEDIA_BUTTON_RECEIVER, mediaButtonReceiverInfo,
		mFullUserId);
		}

		@@ -762,6 +784,35 @@ public class MediaSessionService extends SystemService implements Monitor {
		return isGlobalPriorityActiveLocked()
		? mGlobalPrioritySession : mPriorityStack.getMediaButtonSession();
		}

		private int getComponentType(@Nullable ComponentName componentName) {
		if (componentName == null) {
		return COMPONENT_TYPE_INVALID;
		}
		PackageManager pm = getContext().getPackageManager();
		try {
		ActivityInfo activityInfo = pm.getActivityInfo(componentName,
		PackageManager.MATCH_DIRECT_BOOT_AWARE
		\| PackageManager.MATCH_DIRECT_BOOT_UNAWARE
		\| PackageManager.GET_ACTIVITIES);
		if (activityInfo != null) {
		return COMPONENT_TYPE_ACTIVITY;
		}
		} catch (NameNotFoundException e) {
		}
		try {
		ServiceInfo serviceInfo = pm.getServiceInfo(componentName,
		PackageManager.MATCH_DIRECT_BOOT_AWARE
		\| PackageManager.MATCH_DIRECT_BOOT_UNAWARE
		\| PackageManager.GET_SERVICES);
		if (serviceInfo != null) {
		return COMPONENT_TYPE_SERVICE;
		}
		} catch (NameNotFoundException e) {
		}
		// Pick legacy behavior for BroadcastReceiver or unknown.
		return COMPONENT_TYPE_BROADCAST;
		}
		}

		final class SessionsListenerRecord implements IBinder.DeathRecipient {
		@@ -1580,14 +1631,32 @@ public class MediaSessionService extends SystemService implements Monitor {
		} else {
		ComponentName receiver =
		mCurrentFullUserRecord.mRestoredMediaButtonReceiver;
		int componentType = mCurrentFullUserRecord
		.mRestoredMediaButtonReceiverComponentType;
		UserHandle userHandle = UserHandle.of(mCurrentFullUserRecord
		.mRestoredMediaButtonReceiverUserId);
		if (DEBUG_KEY_EVENT) {
		Log.d(TAG, "Sending " + keyEvent + " to the restored intent "
		+ receiver);
		+ receiver + ", type=" + componentType);
		}
		mediaButtonIntent.setComponent(receiver);
		getContext().sendBroadcastAsUser(mediaButtonIntent,
		UserHandle.of(mCurrentFullUserRecord
		.mRestoredMediaButtonReceiverUserId));
		try {
		switch (componentType) {
		case FullUserRecord.COMPONENT_TYPE_ACTIVITY:
		getContext().startActivityAsUser(mediaButtonIntent, userHandle);
		break;
		case FullUserRecord.COMPONENT_TYPE_SERVICE:
		getContext().startForegroundServiceAsUser(mediaButtonIntent,
		userHandle);
		break;
		default:
		// Legacy behavior for other cases.
		getContext().sendBroadcastAsUser(mediaButtonIntent, userHandle);
		}
		} catch (Exception e) {
		Log.w(TAG, "Error sending media button to the restored intent "
		+ receiver + ", type=" + componentType, e);
		}
		if (mCurrentFullUserRecord.mCallback != null) {
		mCurrentFullUserRecord.mCallback
		.onMediaKeyEventDispatchedToMediaButtonReceiver(