| /* |
| * Copyright (C) 2019 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.theme; |
| |
| import android.app.ActivityManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.om.OverlayManager; |
| import android.content.pm.UserInfo; |
| import android.database.ContentObserver; |
| import android.net.Uri; |
| import android.os.AsyncTask; |
| import android.os.Handler; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| import android.text.TextUtils; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| |
| import com.android.systemui.R; |
| import com.android.systemui.SystemUI; |
| import com.android.systemui.broadcast.BroadcastDispatcher; |
| import com.android.systemui.dagger.qualifiers.Background; |
| |
| import com.google.android.collect.Sets; |
| |
| import org.json.JSONException; |
| import org.json.JSONObject; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| /** |
| * Controls the application of theme overlays across the system for all users. |
| * This service is responsible for: |
| * - Observing changes to Settings.Secure.THEME_CUSTOMIZATION_OVERLAY_PACKAGES and applying the |
| * corresponding overlays across the system |
| * - Observing user switches, applying the overlays for the current user to user 0 (for systemui) |
| * - Observing work profile changes and applying overlays from the primary user to their |
| * associated work profiles |
| */ |
| @Singleton |
| public class ThemeOverlayController extends SystemUI { |
| private static final String TAG = "ThemeOverlayController"; |
| private static final boolean DEBUG = false; |
| |
| private ThemeOverlayManager mThemeManager; |
| private UserManager mUserManager; |
| private BroadcastDispatcher mBroadcastDispatcher; |
| private final Handler mBgHandler; |
| |
| @Inject |
| public ThemeOverlayController(Context context, BroadcastDispatcher broadcastDispatcher, |
| @Background Handler bgHandler) { |
| super(context); |
| mBroadcastDispatcher = broadcastDispatcher; |
| mBgHandler = bgHandler; |
| } |
| |
| @Override |
| public void start() { |
| if (DEBUG) Log.d(TAG, "Start"); |
| mUserManager = mContext.getSystemService(UserManager.class); |
| mThemeManager = new ThemeOverlayManager( |
| mContext.getSystemService(OverlayManager.class), |
| AsyncTask.THREAD_POOL_EXECUTOR, |
| mContext.getString(R.string.launcher_overlayable_package), |
| mContext.getString(R.string.themepicker_overlayable_package)); |
| final IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_USER_SWITCHED); |
| filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); |
| mBroadcastDispatcher.registerReceiverWithHandler(new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (DEBUG) Log.d(TAG, "Updating overlays for user switch / profile added."); |
| updateThemeOverlays(); |
| } |
| }, filter, mBgHandler, UserHandle.ALL); |
| mContext.getContentResolver().registerContentObserver( |
| Settings.Secure.getUriFor(Settings.Secure.THEME_CUSTOMIZATION_OVERLAY_PACKAGES), |
| false, |
| new ContentObserver(mBgHandler) { |
| |
| @Override |
| public void onChange(boolean selfChange, Collection<Uri> uris, int flags, |
| int userId) { |
| if (DEBUG) Log.d(TAG, "Overlay changed for user: " + userId); |
| if (ActivityManager.getCurrentUser() == userId) { |
| updateThemeOverlays(); |
| } |
| } |
| }, |
| UserHandle.USER_ALL); |
| } |
| |
| private void updateThemeOverlays() { |
| final int currentUser = ActivityManager.getCurrentUser(); |
| final String overlayPackageJson = Settings.Secure.getStringForUser( |
| mContext.getContentResolver(), Settings.Secure.THEME_CUSTOMIZATION_OVERLAY_PACKAGES, |
| currentUser); |
| if (DEBUG) Log.d(TAG, "updateThemeOverlays: " + overlayPackageJson); |
| final Map<String, String> categoryToPackage = new ArrayMap<>(); |
| if (!TextUtils.isEmpty(overlayPackageJson)) { |
| try { |
| JSONObject object = new JSONObject(overlayPackageJson); |
| for (String category : ThemeOverlayManager.THEME_CATEGORIES) { |
| if (object.has(category)) { |
| categoryToPackage.put(category, object.getString(category)); |
| } |
| } |
| } catch (JSONException e) { |
| Log.i(TAG, "Failed to parse THEME_CUSTOMIZATION_OVERLAY_PACKAGES.", e); |
| } |
| } |
| Set<UserHandle> userHandles = Sets.newHashSet(UserHandle.of(currentUser)); |
| for (UserInfo userInfo : mUserManager.getEnabledProfiles(currentUser)) { |
| if (userInfo.isManagedProfile()) { |
| userHandles.add(userInfo.getUserHandle()); |
| } |
| } |
| mThemeManager.applyCurrentUserOverlays(categoryToPackage, userHandles); |
| } |
| } |