| /* |
| * Copyright (C) 2017 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.wallpaper.module; |
| |
| import static com.android.wallpaper.module.NetworkStatusNotifier.NETWORK_NOT_INITIALIZED; |
| |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.content.res.Resources; |
| import android.content.res.XmlResourceParser; |
| import android.os.AsyncTask; |
| import android.util.Log; |
| import android.util.Xml; |
| |
| import androidx.annotation.XmlRes; |
| |
| import com.android.wallpaper.R; |
| import com.android.wallpaper.model.Category; |
| import com.android.wallpaper.model.CategoryProvider; |
| import com.android.wallpaper.model.CategoryReceiver; |
| import com.android.wallpaper.model.DefaultWallpaperInfo; |
| import com.android.wallpaper.model.DesktopCustomCategory; |
| import com.android.wallpaper.model.ImageCategory; |
| import com.android.wallpaper.model.LegacyPartnerWallpaperInfo; |
| import com.android.wallpaper.model.LiveWallpaperInfo; |
| import com.android.wallpaper.model.PartnerWallpaperInfo; |
| import com.android.wallpaper.model.SystemStaticWallpaperInfo; |
| import com.android.wallpaper.model.ThirdPartyAppCategory; |
| import com.android.wallpaper.model.ThirdPartyLiveWallpaperCategory; |
| import com.android.wallpaper.model.WallpaperCategory; |
| import com.android.wallpaper.model.WallpaperInfo; |
| import com.android.wallpaper.module.FormFactorChecker.FormFactor; |
| import com.android.wallpaper.module.NetworkStatusNotifier.NetworkStatus; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| /** |
| * Default implementation of CategoryProvider. |
| */ |
| public class DefaultCategoryProvider implements CategoryProvider { |
| |
| private static final String TAG = "DefaultCategoryProvider"; |
| |
| /** |
| * Relative category priorities. Lower numbers correspond to higher priorities (i.e., should |
| * appear higher in the categories list). |
| */ |
| private static final int PRIORITY_MY_PHOTOS = 1; |
| private static final int PRIORITY_SYSTEM = 100; |
| private static final int PRIORITY_ON_DEVICE = 200; |
| private static final int PRIORITY_LIVE = 300; |
| private static final int PRIORITY_THIRD_PARTY = 400; |
| protected static List<Category> sSystemCategories; |
| |
| protected final Context mAppContext; |
| protected ArrayList<Category> mCategories; |
| protected boolean mFetchedCategories; |
| |
| private NetworkStatusNotifier mNetworkStatusNotifier; |
| // The network status of the last fetch from the server. |
| @NetworkStatus |
| private int mNetworkStatus; |
| |
| public DefaultCategoryProvider(Context context) { |
| mAppContext = context.getApplicationContext(); |
| mCategories = new ArrayList<>(); |
| mNetworkStatusNotifier = InjectorProvider.getInjector().getNetworkStatusNotifier(context); |
| mNetworkStatus = NETWORK_NOT_INITIALIZED; |
| } |
| |
| @Override |
| public void fetchCategories(CategoryReceiver receiver, boolean forceRefresh) { |
| if (!forceRefresh && mFetchedCategories) { |
| for (Category category : mCategories) { |
| receiver.onCategoryReceived(category); |
| } |
| receiver.doneFetchingCategories(); |
| return; |
| } else if (forceRefresh) { |
| mCategories.clear(); |
| mFetchedCategories = false; |
| } |
| |
| mNetworkStatus = mNetworkStatusNotifier.getNetworkStatus(); |
| doFetch(receiver, forceRefresh); |
| } |
| |
| @Override |
| public int getSize() { |
| return mFetchedCategories ? mCategories.size() : 0; |
| } |
| |
| @Override |
| public Category getCategory(int index) { |
| if (!mFetchedCategories) { |
| throw new IllegalStateException("Categories are not available"); |
| } |
| return mCategories.get(index); |
| } |
| |
| @Override |
| public Category getCategory(String collectionId) { |
| Category category; |
| for (int i = 0; i < mCategories.size(); i++) { |
| category = mCategories.get(i); |
| if (category.getCollectionId().equals(collectionId)) { |
| return category; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean isCategoriesFetched() { |
| return mFetchedCategories; |
| } |
| |
| @Override |
| public void resetIfNeeded() { |
| if (mNetworkStatus != mNetworkStatusNotifier.getNetworkStatus()) { |
| mCategories.clear(); |
| mFetchedCategories = false; |
| } |
| } |
| |
| protected void doFetch(final CategoryReceiver receiver, boolean forceRefresh) { |
| CategoryReceiver delegatingReceiver = new CategoryReceiver() { |
| @Override |
| public void onCategoryReceived(Category category) { |
| receiver.onCategoryReceived(category); |
| mCategories.add(category); |
| } |
| |
| @Override |
| public void doneFetchingCategories() { |
| receiver.doneFetchingCategories(); |
| mFetchedCategories = true; |
| } |
| }; |
| |
| new FetchCategoriesTask(delegatingReceiver, mAppContext).execute(); |
| } |
| |
| /** |
| * AsyncTask subclass used for fetching all the categories and pushing them one at a time to |
| * the receiver. |
| */ |
| protected static class FetchCategoriesTask extends AsyncTask<Void, Category, Void> { |
| private CategoryReceiver mReceiver; |
| protected final Context mAppContext; |
| protected final PartnerProvider mPartnerProvider; |
| |
| public FetchCategoriesTask(CategoryReceiver receiver, Context context) { |
| mReceiver = receiver; |
| mAppContext = context.getApplicationContext(); |
| mPartnerProvider = InjectorProvider.getInjector().getPartnerProvider( |
| mAppContext); |
| } |
| |
| @Override |
| protected Void doInBackground(Void... voids) { |
| FormFactorChecker formFactorChecker = |
| InjectorProvider.getInjector().getFormFactorChecker(mAppContext); |
| @FormFactor int formFactor = formFactorChecker.getFormFactor(); |
| |
| // "My photos" wallpapers |
| publishProgress(getMyPhotosCategory(formFactor)); |
| |
| publishDeviceCategories(); |
| |
| // Legacy On-device wallpapers. Only show if on mobile. |
| publishProgress(getOnDeviceCategory()); |
| |
| // Live wallpapers -- if the device supports them. |
| if (mAppContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_LIVE_WALLPAPER)) { |
| List<WallpaperInfo> liveWallpapers = LiveWallpaperInfo.getAll( |
| mAppContext, getExcludedLiveWallpaperPackageNames()); |
| if (liveWallpapers.size() > 0) { |
| publishProgress( |
| new ThirdPartyLiveWallpaperCategory( |
| mAppContext.getString(R.string.live_wallpapers_category_title), |
| mAppContext.getString(R.string.live_wallpaper_collection_id), |
| liveWallpapers, |
| PRIORITY_LIVE, |
| getExcludedLiveWallpaperPackageNames())); |
| } |
| } |
| |
| // Third party apps -- only on mobile. |
| if (formFactor == FormFactorChecker.FORM_FACTOR_MOBILE) { |
| List<ThirdPartyAppCategory> thirdPartyApps = ThirdPartyAppCategory.getAll( |
| mAppContext, PRIORITY_THIRD_PARTY, getExcludedThirdPartyPackageNames()); |
| for (ThirdPartyAppCategory thirdPartyApp : thirdPartyApps) { |
| publishProgress(thirdPartyApp); |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Publishes the device categories. |
| */ |
| private void publishDeviceCategories() { |
| if (sSystemCategories != null) { |
| for (int i = 0; i < sSystemCategories.size(); i++) { |
| publishProgress(sSystemCategories.get(i)); |
| } |
| return; |
| } |
| sSystemCategories = getSystemCategories(); |
| } |
| |
| public Set<String> getExcludedLiveWallpaperPackageNames() { |
| Set<String> excluded = new HashSet<>(); |
| if (sSystemCategories != null) { |
| excluded.addAll(sSystemCategories.stream() |
| .filter(c -> c instanceof WallpaperCategory) |
| .flatMap(c -> ((WallpaperCategory) c).getUnmodifiableWallpapers().stream() |
| .filter(wallpaperInfo -> wallpaperInfo instanceof LiveWallpaperInfo) |
| .map(wallpaperInfo -> |
| ((LiveWallpaperInfo) wallpaperInfo).getWallpaperComponent() |
| .getPackageName())) |
| .collect(Collectors.toSet())); |
| } |
| return excluded; |
| } |
| |
| protected List<String> getExcludedThirdPartyPackageNames() { |
| return Arrays.asList( |
| "com.android.launcher", // Legacy launcher |
| "com.android.wallpaper.livepicker"); // Live wallpaper picker |
| } |
| |
| /** |
| * Return a list of WallpaperInfos specific to this app. Overriding this method will |
| * allow derivative projects to add custom wallpaper tiles to the |
| * "On-device wallpapers" category. |
| */ |
| protected List<WallpaperInfo> getPrivateDeviceWallpapers() { |
| return null; |
| } |
| |
| protected List<Category> getSystemCategories() { |
| Resources partnerRes = mPartnerProvider.getResources(); |
| String packageName = mPartnerProvider.getPackageName(); |
| List<Category> categories = new ArrayList<>(); |
| if (partnerRes == null || packageName == null) { |
| return categories; |
| } |
| |
| @XmlRes int wallpapersResId = partnerRes.getIdentifier(PartnerProvider.WALLPAPER_RES_ID, |
| "xml", packageName); |
| // Certain partner configurations don't have wallpapers provided, so need to check; |
| // return early if they are missing. |
| if (wallpapersResId == 0) { |
| return categories; |
| } |
| |
| try (XmlResourceParser parser = partnerRes.getXml(wallpapersResId)) { |
| final int depth = parser.getDepth(); |
| int type; |
| int priorityTracker = 0; |
| while (((type = parser.next()) != XmlPullParser.END_TAG |
| || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { |
| if ((type == XmlPullParser.START_TAG) |
| && WallpaperCategory.TAG_NAME.equals(parser.getName())) { |
| |
| WallpaperCategory.Builder categoryBuilder = |
| new WallpaperCategory.Builder(mPartnerProvider.getResources(), |
| Xml.asAttributeSet(parser)); |
| categoryBuilder.setPriorityIfEmpty(PRIORITY_SYSTEM + priorityTracker++); |
| final int categoryDepth = parser.getDepth(); |
| boolean publishedPlaceholder = false; |
| while (((type = parser.next()) != XmlPullParser.END_TAG |
| || parser.getDepth() > categoryDepth) |
| && type != XmlPullParser.END_DOCUMENT) { |
| if (type == XmlPullParser.START_TAG) { |
| if (!publishedPlaceholder) { |
| publishProgress(categoryBuilder.buildPlaceholder()); |
| publishedPlaceholder = true; |
| } |
| WallpaperInfo wallpaper = null; |
| if (SystemStaticWallpaperInfo.TAG_NAME.equals(parser.getName())) { |
| wallpaper = SystemStaticWallpaperInfo |
| .fromAttributeSet(mPartnerProvider.getPackageName(), |
| categoryBuilder.getId(), |
| Xml.asAttributeSet(parser)); |
| |
| } else if (LiveWallpaperInfo.TAG_NAME.equals(parser.getName())) { |
| wallpaper = LiveWallpaperInfo.fromAttributeSet(mAppContext, |
| categoryBuilder.getId(), Xml.asAttributeSet(parser)); |
| } |
| if (wallpaper != null) { |
| categoryBuilder.addWallpaper(wallpaper); |
| } |
| } |
| } |
| WallpaperCategory category = categoryBuilder.build(); |
| categories.add(category); |
| publishProgress(category); |
| } |
| } |
| } catch (IOException | XmlPullParserException e) { |
| Log.w(TAG, "Couldn't read system wallpapers definition", e); |
| return Collections.emptyList(); |
| } |
| return categories; |
| } |
| |
| /** |
| * Returns a category which incorporates both GEL and bundled wallpapers. |
| */ |
| protected Category getOnDeviceCategory() { |
| List<WallpaperInfo> onDeviceWallpapers = new ArrayList<>(); |
| |
| if (!mPartnerProvider.shouldHideDefaultWallpaper()) { |
| DefaultWallpaperInfo defaultWallpaperInfo = new DefaultWallpaperInfo(); |
| onDeviceWallpapers.add(defaultWallpaperInfo); |
| } |
| |
| List<WallpaperInfo> partnerWallpaperInfos = PartnerWallpaperInfo.getAll(mAppContext); |
| onDeviceWallpapers.addAll(partnerWallpaperInfos); |
| |
| List<WallpaperInfo> legacyPartnerWallpaperInfos = LegacyPartnerWallpaperInfo.getAll( |
| mAppContext); |
| onDeviceWallpapers.addAll(legacyPartnerWallpaperInfos); |
| |
| List<WallpaperInfo> privateWallpapers = getPrivateDeviceWallpapers(); |
| if (privateWallpapers != null) { |
| onDeviceWallpapers.addAll(privateWallpapers); |
| } |
| |
| return onDeviceWallpapers.isEmpty() ? null : new WallpaperCategory( |
| mAppContext.getString(R.string.on_device_wallpapers_category_title), |
| mAppContext.getString(R.string.on_device_wallpaper_collection_id), |
| onDeviceWallpapers, |
| PRIORITY_ON_DEVICE); |
| } |
| |
| private Category getDesktopOnDeviceCategory() { |
| List<WallpaperInfo> onDeviceWallpapers = new ArrayList<>(); |
| |
| DefaultWallpaperInfo defaultWallpaperInfo = new DefaultWallpaperInfo(); |
| onDeviceWallpapers.add(defaultWallpaperInfo); |
| |
| return new DesktopCustomCategory( |
| mAppContext.getString(R.string.on_device_wallpapers_category_title_desktop), |
| mAppContext.getString(R.string.on_device_wallpaper_collection_id), |
| onDeviceWallpapers, |
| PRIORITY_MY_PHOTOS); |
| } |
| |
| /** |
| * Returns an appropriate "my photos" custom photo category for the given device form factor. |
| */ |
| private Category getMyPhotosCategory(@FormFactor int formFactor) { |
| return formFactor == FormFactorChecker.FORM_FACTOR_DESKTOP |
| ? getDesktopOnDeviceCategory() |
| : new ImageCategory( |
| mAppContext.getString(R.string.my_photos_category_title), |
| mAppContext.getString(R.string.image_wallpaper_collection_id), |
| PRIORITY_MY_PHOTOS, |
| R.drawable.myphotos_empty_tile_illustration /* overlayIconResId */); |
| } |
| |
| @Override |
| protected void onProgressUpdate(Category... values) { |
| super.onProgressUpdate(values); |
| |
| for (int i = 0; i < values.length; i++) { |
| Category category = values[i]; |
| if (category != null) { |
| mReceiver.onCategoryReceived(category); |
| } |
| } |
| } |
| |
| @Override |
| protected void onPostExecute(Void unused) { |
| mReceiver.doneFetchingCategories(); |
| } |
| } |
| } |