| /* |
| * 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. |
| */ |
| package com.android.settings.dashboard; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| import android.util.Log; |
| import android.util.Pair; |
| |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.settingslib.applications.InterestingConfigChanges; |
| import com.android.settingslib.drawer.CategoryKey; |
| import com.android.settingslib.drawer.DashboardCategory; |
| import com.android.settingslib.drawer.ProviderTile; |
| import com.android.settingslib.drawer.Tile; |
| import com.android.settingslib.drawer.TileUtils; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| |
| public class CategoryManager { |
| |
| private static final String TAG = "CategoryManager"; |
| private static final boolean DEBUG = false; |
| |
| private static CategoryManager sInstance; |
| private final InterestingConfigChanges mInterestingConfigChanges; |
| |
| // Tile cache (key: <packageName, activityName>, value: tile) |
| private final Map<Pair<String, String>, Tile> mTileByComponentCache; |
| |
| // Tile cache (key: category key, value: category) |
| private final Map<String, DashboardCategory> mCategoryByKeyMap; |
| |
| private List<DashboardCategory> mCategories; |
| |
| public static CategoryManager get(Context context) { |
| if (sInstance == null) { |
| sInstance = new CategoryManager(context); |
| } |
| return sInstance; |
| } |
| |
| CategoryManager(Context context) { |
| mTileByComponentCache = new ArrayMap<>(); |
| mCategoryByKeyMap = new ArrayMap<>(); |
| mInterestingConfigChanges = new InterestingConfigChanges(); |
| mInterestingConfigChanges.applyNewConfig(context.getResources()); |
| } |
| |
| public synchronized DashboardCategory getTilesByCategory(Context context, String categoryKey) { |
| tryInitCategories(context); |
| |
| return mCategoryByKeyMap.get(categoryKey); |
| } |
| |
| public synchronized List<DashboardCategory> getCategories(Context context) { |
| tryInitCategories(context); |
| return mCategories; |
| } |
| |
| public synchronized void reloadAllCategories(Context context) { |
| final boolean forceClearCache = mInterestingConfigChanges.applyNewConfig( |
| context.getResources()); |
| mCategories = null; |
| tryInitCategories(context, forceClearCache); |
| } |
| |
| public synchronized void updateCategoryFromBlacklist(Set<ComponentName> tileBlacklist) { |
| if (mCategories == null) { |
| Log.w(TAG, "Category is null, skipping blacklist update"); |
| return; |
| } |
| for (int i = 0; i < mCategories.size(); i++) { |
| DashboardCategory category = mCategories.get(i); |
| for (int j = 0; j < category.getTilesCount(); j++) { |
| Tile tile = category.getTile(j); |
| if (tileBlacklist.contains(tile.getIntent().getComponent())) { |
| category.removeTile(j--); |
| } |
| } |
| } |
| } |
| |
| /** Return the current tile map */ |
| public synchronized Map<ComponentName, Tile> getTileByComponentMap() { |
| final Map<ComponentName, Tile> result = new ArrayMap<>(); |
| if (mCategories == null) { |
| Log.w(TAG, "Category is null, no tiles"); |
| return result; |
| } |
| mCategories.forEach(category -> { |
| for (int i = 0; i < category.getTilesCount(); i++) { |
| final Tile tile = category.getTile(i); |
| result.put(tile.getIntent().getComponent(), tile); |
| } |
| }); |
| return result; |
| } |
| |
| private void logTiles(Context context) { |
| if (DEBUG) { |
| getTileByComponentMap().forEach((component, tile) -> { |
| Log.d(TAG, "Tile: " + tile.getCategory().replace("com.android.settings.", "") |
| + ": " + tile.getTitle(context) + ", " + component.flattenToShortString()); |
| }); |
| } |
| } |
| |
| private synchronized void tryInitCategories(Context context) { |
| // Keep cached tiles by default. The cache is only invalidated when InterestingConfigChange |
| // happens. |
| tryInitCategories(context, false /* forceClearCache */); |
| } |
| |
| private synchronized void tryInitCategories(Context context, boolean forceClearCache) { |
| if (mCategories == null) { |
| final boolean firstLoading = mCategoryByKeyMap.isEmpty(); |
| if (forceClearCache) { |
| mTileByComponentCache.clear(); |
| } |
| mCategoryByKeyMap.clear(); |
| mCategories = TileUtils.getCategories(context, mTileByComponentCache); |
| for (DashboardCategory category : mCategories) { |
| mCategoryByKeyMap.put(category.key, category); |
| } |
| backwardCompatCleanupForCategory(mTileByComponentCache, mCategoryByKeyMap); |
| sortCategories(context, mCategoryByKeyMap); |
| filterDuplicateTiles(mCategoryByKeyMap); |
| if (firstLoading) { |
| logTiles(context); |
| } |
| } |
| } |
| |
| @VisibleForTesting |
| synchronized void backwardCompatCleanupForCategory( |
| Map<Pair<String, String>, Tile> tileByComponentCache, |
| Map<String, DashboardCategory> categoryByKeyMap) { |
| // A package can use a) CategoryKey, b) old category keys, c) both. |
| // Check if a package uses old category key only. |
| // If yes, map them to new category key. |
| |
| // Build a package name -> tile map first. |
| final Map<String, List<Tile>> packageToTileMap = new HashMap<>(); |
| for (Entry<Pair<String, String>, Tile> tileEntry : tileByComponentCache.entrySet()) { |
| final String packageName = tileEntry.getKey().first; |
| List<Tile> tiles = packageToTileMap.get(packageName); |
| if (tiles == null) { |
| tiles = new ArrayList<>(); |
| packageToTileMap.put(packageName, tiles); |
| } |
| tiles.add(tileEntry.getValue()); |
| } |
| |
| for (Entry<String, List<Tile>> entry : packageToTileMap.entrySet()) { |
| final List<Tile> tiles = entry.getValue(); |
| // Loop map, find if all tiles from same package uses old key only. |
| boolean useNewKey = false; |
| boolean useOldKey = false; |
| for (Tile tile : tiles) { |
| if (CategoryKey.KEY_COMPAT_MAP.containsKey(tile.getCategory())) { |
| useOldKey = true; |
| } else { |
| useNewKey = true; |
| break; |
| } |
| } |
| // Uses only old key, map them to new keys one by one. |
| if (useOldKey && !useNewKey) { |
| for (Tile tile : tiles) { |
| final String newCategoryKey = |
| CategoryKey.KEY_COMPAT_MAP.get(tile.getCategory()); |
| tile.setCategory(newCategoryKey); |
| // move tile to new category. |
| DashboardCategory newCategory = categoryByKeyMap.get(newCategoryKey); |
| if (newCategory == null) { |
| newCategory = new DashboardCategory(newCategoryKey); |
| categoryByKeyMap.put(newCategoryKey, newCategory); |
| } |
| newCategory.addTile(tile); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Sort the tiles injected from all apps such that if they have the same priority value, |
| * they wil lbe sorted by package name. |
| * <p/> |
| * A list of tiles are considered sorted when their priority value decreases in a linear |
| * scan. |
| */ |
| @VisibleForTesting |
| synchronized void sortCategories(Context context, |
| Map<String, DashboardCategory> categoryByKeyMap) { |
| for (Entry<String, DashboardCategory> categoryEntry : categoryByKeyMap.entrySet()) { |
| categoryEntry.getValue().sortTiles(context.getPackageName()); |
| } |
| } |
| |
| /** |
| * Filter out duplicate tiles from category. Duplicate tiles are the ones pointing to the |
| * same intent for ActivityTile, and also the ones having the same description for ProviderTile. |
| */ |
| @VisibleForTesting |
| synchronized void filterDuplicateTiles(Map<String, DashboardCategory> categoryByKeyMap) { |
| for (Entry<String, DashboardCategory> categoryEntry : categoryByKeyMap.entrySet()) { |
| final DashboardCategory category = categoryEntry.getValue(); |
| final int count = category.getTilesCount(); |
| final Set<String> descriptions = new ArraySet<>(); |
| final Set<ComponentName> components = new ArraySet<>(); |
| for (int i = count - 1; i >= 0; i--) { |
| final Tile tile = category.getTile(i); |
| if (tile instanceof ProviderTile) { |
| final String desc = tile.getDescription(); |
| if (descriptions.contains(desc)) { |
| category.removeTile(i); |
| } else { |
| descriptions.add(desc); |
| } |
| } else { |
| final ComponentName tileComponent = tile.getIntent().getComponent(); |
| if (components.contains(tileComponent)) { |
| category.removeTile(i); |
| } else { |
| components.add(tileComponent); |
| } |
| } |
| } |
| } |
| } |
| } |