| /* |
| * Copyright (C) 2008 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.launcher3; |
| |
| import android.content.ComponentName; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.res.Resources; |
| import android.database.Cursor; |
| import android.database.sqlite.SQLiteDatabase; |
| import android.database.sqlite.SQLiteException; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Paint; |
| import android.graphics.Rect; |
| import android.graphics.drawable.Drawable; |
| import android.os.Handler; |
| import android.os.SystemClock; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import com.android.launcher3.compat.LauncherActivityInfoCompat; |
| import com.android.launcher3.compat.LauncherAppsCompat; |
| import com.android.launcher3.compat.UserHandleCompat; |
| import com.android.launcher3.compat.UserManagerCompat; |
| import com.android.launcher3.config.FeatureFlags; |
| import com.android.launcher3.model.PackageItemInfo; |
| import com.android.launcher3.util.ComponentKey; |
| import com.android.launcher3.util.SQLiteCacheHelper; |
| import com.android.launcher3.util.Thunk; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Set; |
| import java.util.Stack; |
| |
| /** |
| * Cache of application icons. Icons can be made from any thread. |
| */ |
| public class IconCache { |
| |
| private static final String TAG = "Launcher.IconCache"; |
| |
| private static final int INITIAL_ICON_CACHE_CAPACITY = 50; |
| |
| // Empty class name is used for storing package default entry. |
| private static final String EMPTY_CLASS_NAME = "."; |
| |
| private static final boolean DEBUG = false; |
| |
| private static final int LOW_RES_SCALE_FACTOR = 5; |
| |
| @Thunk static final Object ICON_UPDATE_TOKEN = new Object(); |
| |
| @Thunk static class CacheEntry { |
| public Bitmap icon; |
| public CharSequence title = ""; |
| public CharSequence contentDescription = ""; |
| public boolean isLowResIcon; |
| } |
| |
| private final HashMap<UserHandleCompat, Bitmap> mDefaultIcons = new HashMap<>(); |
| @Thunk final MainThreadExecutor mMainThreadExecutor = new MainThreadExecutor(); |
| |
| private final Context mContext; |
| private final PackageManager mPackageManager; |
| @Thunk final UserManagerCompat mUserManager; |
| private final LauncherAppsCompat mLauncherApps; |
| private final HashMap<ComponentKey, CacheEntry> mCache = |
| new HashMap<ComponentKey, CacheEntry>(INITIAL_ICON_CACHE_CAPACITY); |
| private final int mIconDpi; |
| @Thunk final IconDB mIconDb; |
| |
| @Thunk final Handler mWorkerHandler; |
| |
| // The background color used for activity icons. Since these icons are displayed in all-apps |
| // and folders, this would be same as the light quantum panel background. This color |
| // is used to convert icons to RGB_565. |
| private final int mActivityBgColor; |
| // The background color used for package icons. These are displayed in widget tray, which |
| // has a dark quantum panel background. |
| private final int mPackageBgColor; |
| private final BitmapFactory.Options mLowResOptions; |
| |
| private String mSystemState; |
| private Canvas mLowResCanvas; |
| private Paint mLowResPaint; |
| |
| public IconCache(Context context, InvariantDeviceProfile inv) { |
| mContext = context; |
| mPackageManager = context.getPackageManager(); |
| mUserManager = UserManagerCompat.getInstance(mContext); |
| mLauncherApps = LauncherAppsCompat.getInstance(mContext); |
| mIconDpi = inv.fillResIconDpi; |
| mIconDb = new IconDB(context); |
| mLowResCanvas = new Canvas(); |
| mLowResPaint = new Paint(Paint.FILTER_BITMAP_FLAG | Paint.ANTI_ALIAS_FLAG); |
| |
| mWorkerHandler = new Handler(LauncherModel.getWorkerLooper()); |
| |
| mActivityBgColor = context.getResources().getColor(R.color.quantum_panel_bg_color); |
| mPackageBgColor = context.getResources().getColor(R.color.quantum_panel_bg_color_dark); |
| mLowResOptions = new BitmapFactory.Options(); |
| // Always prefer RGB_565 config for low res. If the bitmap has transparency, it will |
| // automatically be loaded as ALPHA_8888. |
| mLowResOptions.inPreferredConfig = Bitmap.Config.RGB_565; |
| updateSystemStateString(); |
| } |
| |
| private Drawable getFullResDefaultActivityIcon() { |
| return getFullResIcon(Resources.getSystem(), android.R.mipmap.sym_def_app_icon); |
| } |
| |
| private Drawable getFullResIcon(Resources resources, int iconId) { |
| Drawable d; |
| try { |
| d = resources.getDrawableForDensity(iconId, mIconDpi); |
| } catch (Resources.NotFoundException e) { |
| d = null; |
| } |
| |
| return (d != null) ? d : getFullResDefaultActivityIcon(); |
| } |
| |
| public Drawable getFullResIcon(String packageName, int iconId) { |
| Resources resources; |
| try { |
| resources = mPackageManager.getResourcesForApplication(packageName); |
| } catch (PackageManager.NameNotFoundException e) { |
| resources = null; |
| } |
| if (resources != null) { |
| if (iconId != 0) { |
| return getFullResIcon(resources, iconId); |
| } |
| } |
| return getFullResDefaultActivityIcon(); |
| } |
| |
| public Drawable getFullResIcon(ActivityInfo info) { |
| Resources resources; |
| try { |
| resources = mPackageManager.getResourcesForApplication( |
| info.applicationInfo); |
| } catch (PackageManager.NameNotFoundException e) { |
| resources = null; |
| } |
| if (resources != null) { |
| int iconId = info.getIconResource(); |
| if (iconId != 0) { |
| return getFullResIcon(resources, iconId); |
| } |
| } |
| |
| return getFullResDefaultActivityIcon(); |
| } |
| |
| private Bitmap makeDefaultIcon(UserHandleCompat user) { |
| Drawable unbadged = getFullResDefaultActivityIcon(); |
| return Utilities.createBadgedIconBitmap(unbadged, user, mContext); |
| } |
| |
| /** |
| * Remove any records for the supplied ComponentName. |
| */ |
| public synchronized void remove(ComponentName componentName, UserHandleCompat user) { |
| mCache.remove(new ComponentKey(componentName, user)); |
| } |
| |
| /** |
| * Remove any records for the supplied package name from memory. |
| */ |
| private void removeFromMemCacheLocked(String packageName, UserHandleCompat user) { |
| HashSet<ComponentKey> forDeletion = new HashSet<ComponentKey>(); |
| for (ComponentKey key: mCache.keySet()) { |
| if (key.componentName.getPackageName().equals(packageName) |
| && key.user.equals(user)) { |
| forDeletion.add(key); |
| } |
| } |
| for (ComponentKey condemned: forDeletion) { |
| mCache.remove(condemned); |
| } |
| } |
| |
| /** |
| * Updates the entries related to the given package in memory and persistent DB. |
| */ |
| public synchronized void updateIconsForPkg(String packageName, UserHandleCompat user) { |
| removeIconsForPkg(packageName, user); |
| try { |
| PackageInfo info = mPackageManager.getPackageInfo(packageName, |
| PackageManager.GET_UNINSTALLED_PACKAGES); |
| long userSerial = mUserManager.getSerialNumberForUser(user); |
| for (LauncherActivityInfoCompat app : mLauncherApps.getActivityList(packageName, user)) { |
| addIconToDBAndMemCache(app, info, userSerial); |
| } |
| } catch (NameNotFoundException e) { |
| Log.d(TAG, "Package not found", e); |
| return; |
| } |
| } |
| |
| /** |
| * Removes the entries related to the given package in memory and persistent DB. |
| */ |
| public synchronized void removeIconsForPkg(String packageName, UserHandleCompat user) { |
| removeFromMemCacheLocked(packageName, user); |
| long userSerial = mUserManager.getSerialNumberForUser(user); |
| mIconDb.delete( |
| IconDB.COLUMN_COMPONENT + " LIKE ? AND " + IconDB.COLUMN_USER + " = ?", |
| new String[]{packageName + "/%", Long.toString(userSerial)}); |
| } |
| |
| public void updateDbIcons(Set<String> ignorePackagesForMainUser) { |
| // Remove all active icon update tasks. |
| mWorkerHandler.removeCallbacksAndMessages(ICON_UPDATE_TOKEN); |
| |
| updateSystemStateString(); |
| for (UserHandleCompat user : mUserManager.getUserProfiles()) { |
| // Query for the set of apps |
| final List<LauncherActivityInfoCompat> apps = mLauncherApps.getActivityList(null, user); |
| // Fail if we don't have any apps |
| // TODO: Fix this. Only fail for the current user. |
| if (apps == null || apps.isEmpty()) { |
| return; |
| } |
| |
| // Update icon cache. This happens in segments and {@link #onPackageIconsUpdated} |
| // is called by the icon cache when the job is complete. |
| updateDBIcons(user, apps, UserHandleCompat.myUserHandle().equals(user) |
| ? ignorePackagesForMainUser : Collections.<String>emptySet()); |
| } |
| } |
| |
| /** |
| * Updates the persistent DB, such that only entries corresponding to {@param apps} remain in |
| * the DB and are updated. |
| * @return The set of packages for which icons have updated. |
| */ |
| private void updateDBIcons(UserHandleCompat user, List<LauncherActivityInfoCompat> apps, |
| Set<String> ignorePackages) { |
| long userSerial = mUserManager.getSerialNumberForUser(user); |
| PackageManager pm = mContext.getPackageManager(); |
| HashMap<String, PackageInfo> pkgInfoMap = new HashMap<String, PackageInfo>(); |
| for (PackageInfo info : pm.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES)) { |
| pkgInfoMap.put(info.packageName, info); |
| } |
| |
| HashMap<ComponentName, LauncherActivityInfoCompat> componentMap = new HashMap<>(); |
| for (LauncherActivityInfoCompat app : apps) { |
| componentMap.put(app.getComponentName(), app); |
| } |
| |
| HashSet<Integer> itemsToRemove = new HashSet<Integer>(); |
| Stack<LauncherActivityInfoCompat> appsToUpdate = new Stack<>(); |
| |
| Cursor c = null; |
| try { |
| c = mIconDb.query( |
| new String[]{IconDB.COLUMN_ROWID, IconDB.COLUMN_COMPONENT, |
| IconDB.COLUMN_LAST_UPDATED, IconDB.COLUMN_VERSION, |
| IconDB.COLUMN_SYSTEM_STATE}, |
| IconDB.COLUMN_USER + " = ? ", |
| new String[]{Long.toString(userSerial)}); |
| |
| final int indexComponent = c.getColumnIndex(IconDB.COLUMN_COMPONENT); |
| final int indexLastUpdate = c.getColumnIndex(IconDB.COLUMN_LAST_UPDATED); |
| final int indexVersion = c.getColumnIndex(IconDB.COLUMN_VERSION); |
| final int rowIndex = c.getColumnIndex(IconDB.COLUMN_ROWID); |
| final int systemStateIndex = c.getColumnIndex(IconDB.COLUMN_SYSTEM_STATE); |
| |
| while (c.moveToNext()) { |
| String cn = c.getString(indexComponent); |
| ComponentName component = ComponentName.unflattenFromString(cn); |
| PackageInfo info = pkgInfoMap.get(component.getPackageName()); |
| if (info == null) { |
| if (!ignorePackages.contains(component.getPackageName())) { |
| remove(component, user); |
| itemsToRemove.add(c.getInt(rowIndex)); |
| } |
| continue; |
| } |
| if ((info.applicationInfo.flags & ApplicationInfo.FLAG_IS_DATA_ONLY) != 0) { |
| // Application is not present |
| continue; |
| } |
| |
| long updateTime = c.getLong(indexLastUpdate); |
| int version = c.getInt(indexVersion); |
| LauncherActivityInfoCompat app = componentMap.remove(component); |
| if (version == info.versionCode && updateTime == info.lastUpdateTime && |
| TextUtils.equals(mSystemState, c.getString(systemStateIndex))) { |
| continue; |
| } |
| if (app == null) { |
| remove(component, user); |
| itemsToRemove.add(c.getInt(rowIndex)); |
| } else { |
| appsToUpdate.add(app); |
| } |
| } |
| } catch (SQLiteException e) { |
| Log.d(TAG, "Error reading icon cache", e); |
| // Continue updating whatever we have read so far |
| } finally { |
| if (c != null) { |
| c.close(); |
| } |
| } |
| if (!itemsToRemove.isEmpty()) { |
| mIconDb.delete( |
| Utilities.createDbSelectionQuery(IconDB.COLUMN_ROWID, itemsToRemove), null); |
| } |
| |
| // Insert remaining apps. |
| if (!componentMap.isEmpty() || !appsToUpdate.isEmpty()) { |
| Stack<LauncherActivityInfoCompat> appsToAdd = new Stack<>(); |
| appsToAdd.addAll(componentMap.values()); |
| new SerializedIconUpdateTask(userSerial, pkgInfoMap, |
| appsToAdd, appsToUpdate).scheduleNext(); |
| } |
| } |
| |
| @Thunk void addIconToDBAndMemCache(LauncherActivityInfoCompat app, PackageInfo info, |
| long userSerial) { |
| // Reuse the existing entry if it already exists in the DB. This ensures that we do not |
| // create bitmap if it was already created during loader. |
| ContentValues values = updateCacheAndGetContentValues(app, false); |
| addIconToDB(values, app.getComponentName(), info, userSerial); |
| } |
| |
| /** |
| * Updates {@param values} to contain versoning information and adds it to the DB. |
| * @param values {@link ContentValues} containing icon & title |
| */ |
| private void addIconToDB(ContentValues values, ComponentName key, |
| PackageInfo info, long userSerial) { |
| values.put(IconDB.COLUMN_COMPONENT, key.flattenToString()); |
| values.put(IconDB.COLUMN_USER, userSerial); |
| values.put(IconDB.COLUMN_LAST_UPDATED, info.lastUpdateTime); |
| values.put(IconDB.COLUMN_VERSION, info.versionCode); |
| mIconDb.insertOrReplace(values); |
| } |
| |
| @Thunk ContentValues updateCacheAndGetContentValues(LauncherActivityInfoCompat app, |
| boolean replaceExisting) { |
| final ComponentKey key = new ComponentKey(app.getComponentName(), app.getUser()); |
| CacheEntry entry = null; |
| if (!replaceExisting) { |
| entry = mCache.get(key); |
| // We can't reuse the entry if the high-res icon is not present. |
| if (entry == null || entry.isLowResIcon || entry.icon == null) { |
| entry = null; |
| } |
| } |
| if (entry == null) { |
| entry = new CacheEntry(); |
| entry.icon = Utilities.createBadgedIconBitmap( |
| app.getIcon(mIconDpi), app.getUser(), mContext); |
| } |
| entry.title = app.getLabel(); |
| entry.contentDescription = mUserManager.getBadgedLabelForUser(entry.title, app.getUser()); |
| mCache.put(new ComponentKey(app.getComponentName(), app.getUser()), entry); |
| |
| Bitmap lowResIcon = generateLowResIcon(entry.icon, mActivityBgColor); |
| return newContentValues(entry.icon, lowResIcon, entry.title.toString()); |
| } |
| |
| /** |
| * Fetches high-res icon for the provided ItemInfo and updates the caller when done. |
| * @return a request ID that can be used to cancel the request. |
| */ |
| public IconLoadRequest updateIconInBackground(final BubbleTextView caller, final ItemInfo info) { |
| Runnable request = new Runnable() { |
| |
| @Override |
| public void run() { |
| if (info instanceof AppInfo) { |
| getTitleAndIcon((AppInfo) info, null, false); |
| } else if (info instanceof ShortcutInfo) { |
| ShortcutInfo st = (ShortcutInfo) info; |
| getTitleAndIcon(st, |
| st.promisedIntent != null ? st.promisedIntent : st.intent, |
| st.user, false); |
| } else if (info instanceof PackageItemInfo) { |
| PackageItemInfo pti = (PackageItemInfo) info; |
| getTitleAndIconForApp(pti.packageName, pti.user, false, pti); |
| } |
| mMainThreadExecutor.execute(new Runnable() { |
| |
| @Override |
| public void run() { |
| caller.reapplyItemInfo(info); |
| } |
| }); |
| } |
| }; |
| mWorkerHandler.post(request); |
| return new IconLoadRequest(request, mWorkerHandler); |
| } |
| |
| private Bitmap getNonNullIcon(CacheEntry entry, UserHandleCompat user) { |
| return entry.icon == null ? getDefaultIcon(user) : entry.icon; |
| } |
| |
| /** |
| * Fill in "application" with the icon and label for "info." |
| */ |
| public synchronized void getTitleAndIcon(AppInfo application, |
| LauncherActivityInfoCompat info, boolean useLowResIcon) { |
| UserHandleCompat user = info == null ? application.user : info.getUser(); |
| CacheEntry entry = cacheLocked(application.componentName, info, user, |
| false, useLowResIcon); |
| application.title = Utilities.trim(entry.title); |
| application.iconBitmap = getNonNullIcon(entry, user); |
| application.contentDescription = entry.contentDescription; |
| application.usingLowResIcon = entry.isLowResIcon; |
| } |
| |
| /** |
| * Updates {@param application} only if a valid entry is found. |
| */ |
| public synchronized void updateTitleAndIcon(AppInfo application) { |
| CacheEntry entry = cacheLocked(application.componentName, null, application.user, |
| false, application.usingLowResIcon); |
| if (entry.icon != null && !isDefaultIcon(entry.icon, application.user)) { |
| application.title = Utilities.trim(entry.title); |
| application.iconBitmap = entry.icon; |
| application.contentDescription = entry.contentDescription; |
| application.usingLowResIcon = entry.isLowResIcon; |
| } |
| } |
| |
| /** |
| * Returns a high res icon for the given intent and user |
| */ |
| public synchronized Bitmap getIcon(Intent intent, UserHandleCompat user) { |
| ComponentName component = intent.getComponent(); |
| // null info means not installed, but if we have a component from the intent then |
| // we should still look in the cache for restored app icons. |
| if (component == null) { |
| return getDefaultIcon(user); |
| } |
| |
| LauncherActivityInfoCompat launcherActInfo = mLauncherApps.resolveActivity(intent, user); |
| CacheEntry entry = cacheLocked(component, launcherActInfo, user, true, false /* useLowRes */); |
| return entry.icon; |
| } |
| |
| /** |
| * Fill in {@param shortcutInfo} with the icon and label for {@param intent}. If the |
| * corresponding activity is not found, it reverts to the package icon. |
| */ |
| public synchronized void getTitleAndIcon(ShortcutInfo shortcutInfo, Intent intent, |
| UserHandleCompat user, boolean useLowResIcon) { |
| ComponentName component = intent.getComponent(); |
| // null info means not installed, but if we have a component from the intent then |
| // we should still look in the cache for restored app icons. |
| if (component == null) { |
| shortcutInfo.setIcon(getDefaultIcon(user)); |
| shortcutInfo.title = ""; |
| shortcutInfo.usingFallbackIcon = true; |
| shortcutInfo.usingLowResIcon = false; |
| } else { |
| LauncherActivityInfoCompat info = mLauncherApps.resolveActivity(intent, user); |
| getTitleAndIcon(shortcutInfo, component, info, user, true, useLowResIcon); |
| } |
| } |
| |
| /** |
| * Fill in {@param shortcutInfo} with the icon and label for {@param info} |
| */ |
| public synchronized void getTitleAndIcon( |
| ShortcutInfo shortcutInfo, ComponentName component, LauncherActivityInfoCompat info, |
| UserHandleCompat user, boolean usePkgIcon, boolean useLowResIcon) { |
| CacheEntry entry = cacheLocked(component, info, user, usePkgIcon, useLowResIcon); |
| shortcutInfo.setIcon(getNonNullIcon(entry, user)); |
| shortcutInfo.title = Utilities.trim(entry.title); |
| shortcutInfo.usingFallbackIcon = isDefaultIcon(entry.icon, user); |
| shortcutInfo.usingLowResIcon = entry.isLowResIcon; |
| } |
| |
| /** |
| * Fill in {@param appInfo} with the icon and label for {@param packageName} |
| */ |
| public synchronized void getTitleAndIconForApp( |
| String packageName, UserHandleCompat user, boolean useLowResIcon, |
| PackageItemInfo infoOut) { |
| CacheEntry entry = getEntryForPackageLocked(packageName, user, useLowResIcon); |
| infoOut.iconBitmap = getNonNullIcon(entry, user); |
| infoOut.title = Utilities.trim(entry.title); |
| infoOut.usingLowResIcon = entry.isLowResIcon; |
| infoOut.contentDescription = entry.contentDescription; |
| } |
| |
| public synchronized Bitmap getDefaultIcon(UserHandleCompat user) { |
| if (!mDefaultIcons.containsKey(user)) { |
| mDefaultIcons.put(user, makeDefaultIcon(user)); |
| } |
| return mDefaultIcons.get(user); |
| } |
| |
| public boolean isDefaultIcon(Bitmap icon, UserHandleCompat user) { |
| return mDefaultIcons.get(user) == icon; |
| } |
| |
| /** |
| * Retrieves the entry from the cache. If the entry is not present, it creates a new entry. |
| * This method is not thread safe, it must be called from a synchronized method. |
| */ |
| private CacheEntry cacheLocked(ComponentName componentName, LauncherActivityInfoCompat info, |
| UserHandleCompat user, boolean usePackageIcon, boolean useLowResIcon) { |
| ComponentKey cacheKey = new ComponentKey(componentName, user); |
| CacheEntry entry = mCache.get(cacheKey); |
| if (entry == null || (entry.isLowResIcon && !useLowResIcon)) { |
| entry = new CacheEntry(); |
| mCache.put(cacheKey, entry); |
| |
| // Check the DB first. |
| if (!getEntryFromDB(cacheKey, entry, useLowResIcon)) { |
| if (info != null) { |
| entry.icon = Utilities.createBadgedIconBitmap( |
| info.getIcon(mIconDpi), info.getUser(), mContext); |
| } else { |
| if (usePackageIcon) { |
| CacheEntry packageEntry = getEntryForPackageLocked( |
| componentName.getPackageName(), user, false); |
| if (packageEntry != null) { |
| if (DEBUG) Log.d(TAG, "using package default icon for " + |
| componentName.toShortString()); |
| entry.icon = packageEntry.icon; |
| entry.title = packageEntry.title; |
| entry.contentDescription = packageEntry.contentDescription; |
| } |
| } |
| if (entry.icon == null) { |
| if (DEBUG) Log.d(TAG, "using default icon for " + |
| componentName.toShortString()); |
| entry.icon = getDefaultIcon(user); |
| } |
| } |
| } |
| |
| if (TextUtils.isEmpty(entry.title) && info != null) { |
| entry.title = info.getLabel(); |
| entry.contentDescription = mUserManager.getBadgedLabelForUser(entry.title, user); |
| } |
| } |
| return entry; |
| } |
| |
| /** |
| * Adds a default package entry in the cache. This entry is not persisted and will be removed |
| * when the cache is flushed. |
| */ |
| public synchronized void cachePackageInstallInfo(String packageName, UserHandleCompat user, |
| Bitmap icon, CharSequence title) { |
| removeFromMemCacheLocked(packageName, user); |
| |
| ComponentKey cacheKey = getPackageKey(packageName, user); |
| CacheEntry entry = mCache.get(cacheKey); |
| |
| // For icon caching, do not go through DB. Just update the in-memory entry. |
| if (entry == null) { |
| entry = new CacheEntry(); |
| mCache.put(cacheKey, entry); |
| } |
| if (!TextUtils.isEmpty(title)) { |
| entry.title = title; |
| } |
| if (icon != null) { |
| entry.icon = Utilities.createIconBitmap(icon, mContext); |
| } |
| } |
| |
| private static ComponentKey getPackageKey(String packageName, UserHandleCompat user) { |
| ComponentName cn = new ComponentName(packageName, packageName + EMPTY_CLASS_NAME); |
| return new ComponentKey(cn, user); |
| } |
| |
| /** |
| * Gets an entry for the package, which can be used as a fallback entry for various components. |
| * This method is not thread safe, it must be called from a synchronized method. |
| */ |
| private CacheEntry getEntryForPackageLocked(String packageName, UserHandleCompat user, |
| boolean useLowResIcon) { |
| ComponentKey cacheKey = getPackageKey(packageName, user); |
| CacheEntry entry = mCache.get(cacheKey); |
| |
| if (entry == null || (entry.isLowResIcon && !useLowResIcon)) { |
| entry = new CacheEntry(); |
| boolean entryUpdated = true; |
| |
| // Check the DB first. |
| if (!getEntryFromDB(cacheKey, entry, useLowResIcon)) { |
| try { |
| int flags = UserHandleCompat.myUserHandle().equals(user) ? 0 : |
| PackageManager.GET_UNINSTALLED_PACKAGES; |
| PackageInfo info = mPackageManager.getPackageInfo(packageName, flags); |
| ApplicationInfo appInfo = info.applicationInfo; |
| if (appInfo == null) { |
| throw new NameNotFoundException("ApplicationInfo is null"); |
| } |
| |
| // Load the full res icon for the application, but if useLowResIcon is set, then |
| // only keep the low resolution icon instead of the larger full-sized icon |
| Bitmap icon = Utilities.createBadgedIconBitmap( |
| appInfo.loadIcon(mPackageManager), user, mContext); |
| Bitmap lowResIcon = generateLowResIcon(icon, mPackageBgColor); |
| entry.title = appInfo.loadLabel(mPackageManager); |
| entry.contentDescription = mUserManager.getBadgedLabelForUser(entry.title, user); |
| entry.icon = useLowResIcon ? lowResIcon : icon; |
| entry.isLowResIcon = useLowResIcon; |
| |
| // Add the icon in the DB here, since these do not get written during |
| // package updates. |
| ContentValues values = |
| newContentValues(icon, lowResIcon, entry.title.toString()); |
| addIconToDB(values, cacheKey.componentName, info, |
| mUserManager.getSerialNumberForUser(user)); |
| |
| } catch (NameNotFoundException e) { |
| if (DEBUG) Log.d(TAG, "Application not installed " + packageName); |
| entryUpdated = false; |
| } |
| } |
| |
| // Only add a filled-out entry to the cache |
| if (entryUpdated) { |
| mCache.put(cacheKey, entry); |
| } |
| } |
| return entry; |
| } |
| |
| /** |
| * Pre-load an icon into the persistent cache. |
| * |
| * <P>Queries for a component that does not exist in the package manager |
| * will be answered by the persistent cache. |
| * |
| * @param componentName the icon should be returned for this component |
| * @param icon the icon to be persisted |
| * @param dpi the native density of the icon |
| */ |
| public void preloadIcon(ComponentName componentName, Bitmap icon, int dpi, String label, |
| long userSerial, InvariantDeviceProfile idp) { |
| // TODO rescale to the correct native DPI |
| try { |
| PackageManager packageManager = mContext.getPackageManager(); |
| packageManager.getActivityIcon(componentName); |
| // component is present on the system already, do nothing |
| return; |
| } catch (PackageManager.NameNotFoundException e) { |
| // pass |
| } |
| |
| icon = Bitmap.createScaledBitmap(icon, idp.iconBitmapSize, idp.iconBitmapSize, true); |
| Bitmap lowResIcon = generateLowResIcon(icon, Color.TRANSPARENT); |
| ContentValues values = newContentValues(icon, lowResIcon, label); |
| values.put(IconDB.COLUMN_COMPONENT, componentName.flattenToString()); |
| values.put(IconDB.COLUMN_USER, userSerial); |
| mIconDb.insertOrReplace(values); |
| } |
| |
| private boolean getEntryFromDB(ComponentKey cacheKey, CacheEntry entry, boolean lowRes) { |
| Cursor c = null; |
| try { |
| c = mIconDb.query( |
| new String[]{lowRes ? IconDB.COLUMN_ICON_LOW_RES : IconDB.COLUMN_ICON, |
| IconDB.COLUMN_LABEL}, |
| IconDB.COLUMN_COMPONENT + " = ? AND " + IconDB.COLUMN_USER + " = ?", |
| new String[]{cacheKey.componentName.flattenToString(), |
| Long.toString(mUserManager.getSerialNumberForUser(cacheKey.user))}); |
| if (c.moveToNext()) { |
| entry.icon = loadIconNoResize(c, 0, lowRes ? mLowResOptions : null); |
| entry.isLowResIcon = lowRes; |
| entry.title = c.getString(1); |
| if (entry.title == null) { |
| entry.title = ""; |
| entry.contentDescription = ""; |
| } else { |
| entry.contentDescription = mUserManager.getBadgedLabelForUser( |
| entry.title, cacheKey.user); |
| } |
| return true; |
| } |
| } catch (SQLiteException e) { |
| Log.d(TAG, "Error reading icon cache", e); |
| } finally { |
| if (c != null) { |
| c.close(); |
| } |
| } |
| return false; |
| } |
| |
| public static class IconLoadRequest { |
| private final Runnable mRunnable; |
| private final Handler mHandler; |
| |
| IconLoadRequest(Runnable runnable, Handler handler) { |
| mRunnable = runnable; |
| mHandler = handler; |
| } |
| |
| public void cancel() { |
| mHandler.removeCallbacks(mRunnable); |
| } |
| } |
| |
| /** |
| * A runnable that updates invalid icons and adds missing icons in the DB for the provided |
| * LauncherActivityInfoCompat list. Items are updated/added one at a time, so that the |
| * worker thread doesn't get blocked. |
| */ |
| @Thunk class SerializedIconUpdateTask implements Runnable { |
| private final long mUserSerial; |
| private final HashMap<String, PackageInfo> mPkgInfoMap; |
| private final Stack<LauncherActivityInfoCompat> mAppsToAdd; |
| private final Stack<LauncherActivityInfoCompat> mAppsToUpdate; |
| private final HashSet<String> mUpdatedPackages = new HashSet<String>(); |
| |
| @Thunk SerializedIconUpdateTask(long userSerial, HashMap<String, PackageInfo> pkgInfoMap, |
| Stack<LauncherActivityInfoCompat> appsToAdd, |
| Stack<LauncherActivityInfoCompat> appsToUpdate) { |
| mUserSerial = userSerial; |
| mPkgInfoMap = pkgInfoMap; |
| mAppsToAdd = appsToAdd; |
| mAppsToUpdate = appsToUpdate; |
| } |
| |
| @Override |
| public void run() { |
| if (!mAppsToUpdate.isEmpty()) { |
| LauncherActivityInfoCompat app = mAppsToUpdate.pop(); |
| String cn = app.getComponentName().flattenToString(); |
| ContentValues values = updateCacheAndGetContentValues(app, true); |
| mIconDb.update(values, |
| IconDB.COLUMN_COMPONENT + " = ? AND " + IconDB.COLUMN_USER + " = ?", |
| new String[]{cn, Long.toString(mUserSerial)}); |
| mUpdatedPackages.add(app.getComponentName().getPackageName()); |
| |
| if (mAppsToUpdate.isEmpty() && !mUpdatedPackages.isEmpty()) { |
| // No more app to update. Notify model. |
| LauncherAppState.getInstance().getModel().onPackageIconsUpdated( |
| mUpdatedPackages, mUserManager.getUserForSerialNumber(mUserSerial)); |
| } |
| |
| // Let it run one more time. |
| scheduleNext(); |
| } else if (!mAppsToAdd.isEmpty()) { |
| LauncherActivityInfoCompat app = mAppsToAdd.pop(); |
| PackageInfo info = mPkgInfoMap.get(app.getComponentName().getPackageName()); |
| if (info != null) { |
| synchronized (IconCache.this) { |
| addIconToDBAndMemCache(app, info, mUserSerial); |
| } |
| } |
| |
| if (!mAppsToAdd.isEmpty()) { |
| scheduleNext(); |
| } |
| } |
| } |
| |
| public void scheduleNext() { |
| mWorkerHandler.postAtTime(this, ICON_UPDATE_TOKEN, SystemClock.uptimeMillis() + 1); |
| } |
| } |
| |
| private void updateSystemStateString() { |
| mSystemState = Locale.getDefault().toString(); |
| } |
| |
| private static final class IconDB extends SQLiteCacheHelper { |
| private final static int DB_VERSION = 8; |
| |
| private final static int RELEASE_VERSION = DB_VERSION + |
| (FeatureFlags.LAUNCHER3_DISABLE_ICON_NORMALIZATION ? 0 : 1); |
| |
| private final static String TABLE_NAME = "icons"; |
| private final static String COLUMN_ROWID = "rowid"; |
| private final static String COLUMN_COMPONENT = "componentName"; |
| private final static String COLUMN_USER = "profileId"; |
| private final static String COLUMN_LAST_UPDATED = "lastUpdated"; |
| private final static String COLUMN_VERSION = "version"; |
| private final static String COLUMN_ICON = "icon"; |
| private final static String COLUMN_ICON_LOW_RES = "icon_low_res"; |
| private final static String COLUMN_LABEL = "label"; |
| private final static String COLUMN_SYSTEM_STATE = "system_state"; |
| |
| public IconDB(Context context) { |
| super(context, LauncherFiles.APP_ICONS_DB, RELEASE_VERSION, TABLE_NAME); |
| } |
| |
| @Override |
| protected void onCreateTable(SQLiteDatabase db) { |
| db.execSQL("CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " (" + |
| COLUMN_COMPONENT + " TEXT NOT NULL, " + |
| COLUMN_USER + " INTEGER NOT NULL, " + |
| COLUMN_LAST_UPDATED + " INTEGER NOT NULL DEFAULT 0, " + |
| COLUMN_VERSION + " INTEGER NOT NULL DEFAULT 0, " + |
| COLUMN_ICON + " BLOB, " + |
| COLUMN_ICON_LOW_RES + " BLOB, " + |
| COLUMN_LABEL + " TEXT, " + |
| COLUMN_SYSTEM_STATE + " TEXT, " + |
| "PRIMARY KEY (" + COLUMN_COMPONENT + ", " + COLUMN_USER + ") " + |
| ");"); |
| } |
| } |
| |
| private ContentValues newContentValues(Bitmap icon, Bitmap lowResIcon, String label) { |
| ContentValues values = new ContentValues(); |
| values.put(IconDB.COLUMN_ICON, Utilities.flattenBitmap(icon)); |
| values.put(IconDB.COLUMN_ICON_LOW_RES, Utilities.flattenBitmap(lowResIcon)); |
| |
| values.put(IconDB.COLUMN_LABEL, label); |
| values.put(IconDB.COLUMN_SYSTEM_STATE, mSystemState); |
| |
| return values; |
| } |
| |
| /** |
| * Generates a new low-res icon given a high-res icon. |
| */ |
| private Bitmap generateLowResIcon(Bitmap icon, int lowResBackgroundColor) { |
| if (lowResBackgroundColor == Color.TRANSPARENT) { |
| return Bitmap.createScaledBitmap(icon, |
| icon.getWidth() / LOW_RES_SCALE_FACTOR, |
| icon.getHeight() / LOW_RES_SCALE_FACTOR, true); |
| } else { |
| Bitmap lowResIcon = Bitmap.createBitmap(icon.getWidth() / LOW_RES_SCALE_FACTOR, |
| icon.getHeight() / LOW_RES_SCALE_FACTOR, Bitmap.Config.RGB_565); |
| synchronized (this) { |
| mLowResCanvas.setBitmap(lowResIcon); |
| mLowResCanvas.drawColor(lowResBackgroundColor); |
| mLowResCanvas.drawBitmap(icon, new Rect(0, 0, icon.getWidth(), icon.getHeight()), |
| new Rect(0, 0, lowResIcon.getWidth(), lowResIcon.getHeight()), |
| mLowResPaint); |
| mLowResCanvas.setBitmap(null); |
| } |
| return lowResIcon; |
| } |
| } |
| |
| private static Bitmap loadIconNoResize(Cursor c, int iconIndex, BitmapFactory.Options options) { |
| byte[] data = c.getBlob(iconIndex); |
| try { |
| return BitmapFactory.decodeByteArray(data, 0, data.length, options); |
| } catch (Exception e) { |
| return null; |
| } |
| } |
| } |
