Merge "Don\'t back up wallpapers that we\'ve been told not to" into nyc-dev (a767ce6a) · Commits · e / os / android_frameworks_base

core/java/android/app/IWallpaperManager.aidl

+7 −1

Original line number	Diff line number	Diff line
		@@ -43,7 +43,8 @@ interface IWallpaperManager {
		* new wallpaper content is ready to display.
		*/
		ParcelFileDescriptor setWallpaper(String name, in String callingPackage,
		in Rect cropHint, out Bundle extras, int which, IWallpaperManagerCallback completion);
		in Rect cropHint, boolean allowBackup, out Bundle extras, int which,
		IWallpaperManagerCallback completion);

		/**
		* Set the live wallpaper. This only affects the system wallpaper.
		@@ -124,6 +125,11 @@ interface IWallpaperManager {
		*/
		boolean isWallpaperSettingAllowed(in String callingPackage);

		/*
		* Backup: is the current system wallpaper image eligible for off-device backup?
		*/
		boolean isWallpaperBackupEligible(int userId);

		/*
		* Keyguard: register a callback for being notified that lock-state relevant
		* wallpaper content has changed.

core/java/android/app/WallpaperManager.java

+25 −4

Original line number	Diff line number	Diff line
		/*
		h * Copyright (C) 2009 The Android Open Source Project
		* Copyright (C) 2009 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.
		@@ -875,7 +875,7 @@ public class WallpaperManager {
		/* Set the wallpaper to the default values */
		ParcelFileDescriptor fd = sGlobals.mService.setWallpaper(
		"res:" + resources.getResourceName(resid),
		mContext.getOpPackageName(), null, result, which, completion);
		mContext.getOpPackageName(), null, false, result, which, completion);
		if (fd != null) {
		FileOutputStream fos = null;
		boolean ok = false;
		@@ -985,7 +985,8 @@ public class WallpaperManager {
		final WallpaperSetCompletion completion = new WallpaperSetCompletion();
		try {
		ParcelFileDescriptor fd = sGlobals.mService.setWallpaper(null,
		mContext.getOpPackageName(), visibleCropHint, result, which, completion);
		mContext.getOpPackageName(), visibleCropHint, allowBackup,
		result, which, completion);
		if (fd != null) {
		FileOutputStream fos = null;
		try {
		@@ -1102,7 +1103,8 @@ public class WallpaperManager {
		final WallpaperSetCompletion completion = new WallpaperSetCompletion();
		try {
		ParcelFileDescriptor fd = sGlobals.mService.setWallpaper(null,
		mContext.getOpPackageName(), visibleCropHint, result, which, completion);
		mContext.getOpPackageName(), visibleCropHint, allowBackup,
		result, which, completion);
		if (fd != null) {
		FileOutputStream fos = null;
		try {
		@@ -1565,6 +1567,25 @@ public class WallpaperManager {
		}
		}

		/**
		* Is the current system wallpaper eligible for backup?
		*
		* Only the OS itself may use this method.
		* @hide
		*/
		public boolean isWallpaperBackupEligible() {
		if (sGlobals.mService == null) {
		Log.w(TAG, "WallpaperService not running");
		return false;
		}
		try {
		return sGlobals.mService.isWallpaperBackupEligible(mContext.getUserId());
		} catch (RemoteException e) {
		Log.e(TAG, "Exception querying wallpaper backup eligibility: " + e.getMessage());
		}
		return false;
		}

		// Private completion callback for setWallpaper() synchronization
		private class WallpaperSetCompletion extends IWallpaperManagerCallback.Stub {
		final CountDownLatch mLatch;

core/java/com/android/server/backup/SystemBackupAgent.java

+4 −34

Original line number	Diff line number	Diff line
		@@ -76,26 +76,6 @@ public class SystemBackupAgent extends BackupAgentHelper {
		@Override
		public void onBackup(ParcelFileDescriptor oldState, BackupDataOutput data,
		ParcelFileDescriptor newState) throws IOException {
		// We only back up the data under the current "wallpaper" schema with metadata
		IWallpaperManager wallpaper = (IWallpaperManager)ServiceManager.getService(
		Context.WALLPAPER_SERVICE);
		String[] files = new String[] { WALLPAPER_IMAGE, WALLPAPER_INFO };
		String[] keys = new String[] { WALLPAPER_IMAGE_KEY, WALLPAPER_INFO_KEY };
		if (wallpaper != null) {
		try {
		final String wallpaperName = wallpaper.getName();
		if (wallpaperName != null && wallpaperName.length() > 0) {
		// When the wallpaper has a name, back up the info by itself.
		// TODO: Don't rely on the innards of the service object like this!
		// TODO: Send a delete for any stored wallpaper image in this case?
		files = new String[] { WALLPAPER_INFO };
		keys = new String[] { WALLPAPER_INFO_KEY };
		}
		} catch (RemoteException re) {
		Slog.e(TAG, "Couldn't get wallpaper name\n" + re);
		}
		}
		addHelper(WALLPAPER_HELPER, new WallpaperBackupHelper(this, files, keys));
		addHelper(SYNC_SETTINGS_HELPER, new AccountSyncSettingsBackupHelper(this));
		addHelper(PREFERRED_HELPER, new PreferredActivityBackupHelper());
		addHelper(NOTIFICATION_HELPER, new NotificationBackupHelper(this));
		@@ -107,30 +87,20 @@ public class SystemBackupAgent extends BackupAgentHelper {

		@Override
		public void onFullBackup(FullBackupDataOutput data) throws IOException {
		// At present we back up only the wallpaper
		fullWallpaperBackup(data);
		}

		private void fullWallpaperBackup(FullBackupDataOutput output) {
		// Back up the data files directly. We do them in this specific order --
		// info file followed by image -- because then we need take no special
		// steps during restore; the restore will happen properly when the individual
		// files are restored piecemeal.
		FullBackup.backupToTar(getPackageName(), FullBackup.ROOT_TREE_TOKEN, null,
		WALLPAPER_INFO_DIR, WALLPAPER_INFO, output);
		FullBackup.backupToTar(getPackageName(), FullBackup.ROOT_TREE_TOKEN, null,
		WALLPAPER_IMAGE_DIR, WALLPAPER_IMAGE, output);
		// At present we don't back up anything
		}

		@Override
		public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState)
		throws IOException {
		// Slot in a restore helper for the older wallpaper backup schema to support restore
		// from devices still generating data in that format.
		mWallpaperHelper = new WallpaperBackupHelper(this,
		new String[] { WALLPAPER_IMAGE, WALLPAPER_INFO },
		new String[] { WALLPAPER_IMAGE_KEY, WALLPAPER_INFO_KEY} );
		addHelper(WALLPAPER_HELPER, mWallpaperHelper);

		// On restore, we also support a previous data schema "system_files"
		// On restore, we also support a long-ago wallpaper data schema "system_files"
		addHelper("system_files", new WallpaperBackupHelper(this,
		new String[] { WALLPAPER_IMAGE },
		new String[] { WALLPAPER_IMAGE_KEY} ));

packages/WallpaperBackup/Android.mk

0 → 100644

+34 −0

Original line number	Diff line number	Diff line
		#
		# Copyright (C) 2016 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.
		#

		LOCAL_PATH := $(call my-dir)
		include $(CLEAR_VARS)

		LOCAL_MODULE_TAGS := optional

		LOCAL_SRC_FILES := $(call all-java-files-under, src)

		LOCAL_PROGUARD_FLAG_FILES := proguard.flags

		LOCAL_PACKAGE_NAME := WallpaperBackup
		LOCAL_CERTIFICATE := platform
		LOCAL_PRIVILEGED_MODULE := false

		include $(BUILD_PACKAGE)

		########################
		include $(call all-makefiles-under,$(LOCAL_PATH))

packages/WallpaperBackup/AndroidManifest.xml

0 → 100644

+30 −0

Original line number	Diff line number	Diff line
		<?xml version="1.0" encoding="utf-8"?>
		<!--
		/*
		* Copyright (c) 2016 Google Inc.
		*
		* 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.
		*/
		-->
		<manifest xmlns:android="http://schemas.android.com/apk/res/android"
		package="com.android.wallpaperbackup"
		android:sharedUserId="android.uid.system" >

		<application android:allowClearUserData="false"
		android:process="system"
		android:killAfterRestore="false"
		android:allowBackup="true"
		android:backupAgent=".WallpaperBackupAgent"
		android:fullBackupOnly="true" >
		</application>
		</manifest>