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/*
* 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.launcher3.model;
import static com.android.launcher3.config.FeatureFlags.MULTI_DB_GRID_MIRATION_ALGO;
import static com.android.launcher3.model.ModelUtils.filterCurrentWorkspaceItems;
import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_DISABLED_LOCKED_USER;
import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_DISABLED_SAFEMODE;
import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_DISABLED_SUSPENDED;
import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
import static com.android.launcher3.util.PackageManagerHelper.hasShortcutsPermission;
import static com.android.launcher3.util.PackageManagerHelper.isSystemApp;
import android.appwidget.AppWidgetProviderInfo;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.LauncherActivityInfo;
import android.content.pm.LauncherApps;
import android.content.pm.PackageInstaller;
import android.content.pm.PackageInstaller.SessionInfo;
import android.content.pm.ShortcutInfo;
import android.net.Uri;
import android.os.UserHandle;
import android.os.UserManager;
import android.text.TextUtils;
import android.util.Log;
import android.util.LongSparseArray;
import android.util.MutableInt;
import android.util.TimingLogger;
import com.android.launcher3.InstallShortcutReceiver;
import com.android.launcher3.LauncherAppState;
import com.android.launcher3.LauncherModel;
import com.android.launcher3.LauncherSettings;
import com.android.launcher3.Utilities;
import com.android.launcher3.config.FeatureFlags;
import com.android.launcher3.folder.Folder;
import com.android.launcher3.folder.FolderGridOrganizer;
import com.android.launcher3.folder.FolderNameInfo;
import com.android.launcher3.folder.FolderNameProvider;
import com.android.launcher3.icons.ComponentWithLabelAndIcon;
import com.android.launcher3.icons.ComponentWithLabelAndIcon.ComponentWithIconCachingLogic;
import com.android.launcher3.icons.IconCache;
import com.android.launcher3.icons.LauncherActivityCachingLogic;
import com.android.launcher3.icons.ShortcutCachingLogic;
import com.android.launcher3.icons.cache.IconCacheUpdateHandler;
import com.android.launcher3.logging.FileLog;
import com.android.launcher3.model.data.AppInfo;
import com.android.launcher3.model.data.FolderInfo;
import com.android.launcher3.model.data.ItemInfo;
import com.android.launcher3.model.data.LauncherAppWidgetInfo;
import com.android.launcher3.model.data.PackageItemInfo;
import com.android.launcher3.model.data.WorkspaceItemInfo;
import com.android.launcher3.pm.InstallSessionHelper;
import com.android.launcher3.pm.PackageInstallInfo;
import com.android.launcher3.pm.UserCache;
import com.android.launcher3.provider.ImportDataTask;
import com.android.launcher3.qsb.QsbContainerView;
import com.android.launcher3.shortcuts.ShortcutKey;
import com.android.launcher3.shortcuts.ShortcutRequest;
import com.android.launcher3.shortcuts.ShortcutRequest.QueryResult;
import com.android.launcher3.util.ComponentKey;
import com.android.launcher3.util.IOUtils;
import com.android.launcher3.util.LooperIdleLock;
import com.android.launcher3.util.MultiHashMap;
import com.android.launcher3.util.PackageManagerHelper;
import com.android.launcher3.util.PackageUserKey;
import com.android.launcher3.util.TraceHelper;
import com.android.launcher3.widget.WidgetManagerHelper;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CancellationException;
/**
* Runnable for the thread that loads the contents of the launcher:
* - workspace icons
* - widgets
* - all apps icons
* - deep shortcuts within apps
*/
public class LoaderTask implements Runnable {
private static final String TAG = "LoaderTask";
protected final LauncherAppState mApp;
private final AllAppsList mBgAllAppsList;
protected final BgDataModel mBgDataModel;
private FirstScreenBroadcast mFirstScreenBroadcast;
private final LoaderResults mResults;
private final LauncherApps mLauncherApps;
private final UserManager mUserManager;
private final UserCache mUserCache;
private final InstallSessionHelper mSessionHelper;
private final IconCache mIconCache;
private boolean mStopped;
public LoaderTask(LauncherAppState app, AllAppsList bgAllAppsList, BgDataModel dataModel,
LoaderResults results) {
mApp = app;
mBgAllAppsList = bgAllAppsList;
mBgDataModel = dataModel;
mResults = results;
mLauncherApps = mApp.getContext().getSystemService(LauncherApps.class);
mUserManager = mApp.getContext().getSystemService(UserManager.class);
mUserCache = UserCache.INSTANCE.get(mApp.getContext());
mSessionHelper = InstallSessionHelper.INSTANCE.get(mApp.getContext());
mIconCache = mApp.getIconCache();
}
protected synchronized void waitForIdle() {
// Wait until the either we're stopped or the other threads are done.
// This way we don't start loading all apps until the workspace has settled
// down.
LooperIdleLock idleLock = mResults.newIdleLock(this);
// Just in case mFlushingWorkerThread changes but we aren't woken up,
// wait no longer than 1sec at a time
while (!mStopped && idleLock.awaitLocked(1000));
}
private synchronized void verifyNotStopped() throws CancellationException {
if (mStopped) {
throw new CancellationException("Loader stopped");
}
}
private void sendFirstScreenActiveInstallsBroadcast() {
ArrayList<ItemInfo> firstScreenItems = new ArrayList<>();
ArrayList<ItemInfo> allItems = new ArrayList<>();
synchronized (mBgDataModel) {
allItems.addAll(mBgDataModel.workspaceItems);
allItems.addAll(mBgDataModel.appWidgets);
}
// Screen set is never empty
final int firstScreen = mBgDataModel.collectWorkspaceScreens().get(0);
filterCurrentWorkspaceItems(firstScreen, allItems, firstScreenItems,
new ArrayList<>() /* otherScreenItems are ignored */);
mFirstScreenBroadcast.sendBroadcasts(mApp.getContext(), firstScreenItems);
}
public void run() {
synchronized (this) {
// Skip fast if we are already stopped.
if (mStopped) {
return;
}
}
Object traceToken = TraceHelper.INSTANCE.beginSection(TAG);
TimingLogger logger = new TimingLogger(TAG, "run");
try (LauncherModel.LoaderTransaction transaction = mApp.getModel().beginLoader(this)) {
List<ShortcutInfo> allShortcuts = new ArrayList<>();
loadWorkspace(allShortcuts);
loadCachedPredictions();
logger.addSplit("loadWorkspace");
verifyNotStopped();
mResults.bindWorkspace();
logger.addSplit("bindWorkspace");
// Notify the installer packages of packages with active installs on the first screen.
sendFirstScreenActiveInstallsBroadcast();
logger.addSplit("sendFirstScreenActiveInstallsBroadcast");
// Take a break
waitForIdle();
logger.addSplit("step 1 complete");
verifyNotStopped();
// second step
List<LauncherActivityInfo> allActivityList = loadAllApps();
logger.addSplit("loadAllApps");
verifyNotStopped();
mResults.bindAllApps();
logger.addSplit("bindAllApps");
verifyNotStopped();
IconCacheUpdateHandler updateHandler = mIconCache.getUpdateHandler();
setIgnorePackages(updateHandler);
updateHandler.updateIcons(allActivityList,
LauncherActivityCachingLogic.newInstance(mApp.getContext()),
mApp.getModel()::onPackageIconsUpdated);
logger.addSplit("update icon cache");
if (FeatureFlags.ENABLE_DEEP_SHORTCUT_ICON_CACHE.get()) {
verifyNotStopped();
logger.addSplit("save shortcuts in icon cache");
updateHandler.updateIcons(allShortcuts, new ShortcutCachingLogic(),
mApp.getModel()::onPackageIconsUpdated);
}
// Take a break
waitForIdle();
logger.addSplit("step 2 complete");
verifyNotStopped();
// third step
List<ShortcutInfo> allDeepShortcuts = loadDeepShortcuts();
logger.addSplit("loadDeepShortcuts");
verifyNotStopped();
mResults.bindDeepShortcuts();
logger.addSplit("bindDeepShortcuts");
if (FeatureFlags.ENABLE_DEEP_SHORTCUT_ICON_CACHE.get()) {
verifyNotStopped();
logger.addSplit("save deep shortcuts in icon cache");
updateHandler.updateIcons(allDeepShortcuts,
new ShortcutCachingLogic(), (pkgs, user) -> { });
}
// Take a break
waitForIdle();
logger.addSplit("step 3 complete");
verifyNotStopped();
// fourth step
List<ComponentWithLabelAndIcon> allWidgetsList =
mBgDataModel.widgetsModel.update(mApp, null);
logger.addSplit("load widgets");
verifyNotStopped();
mResults.bindWidgets();
logger.addSplit("bindWidgets");
verifyNotStopped();
updateHandler.updateIcons(allWidgetsList,
new ComponentWithIconCachingLogic(mApp.getContext(), true),
mApp.getModel()::onWidgetLabelsUpdated);
logger.addSplit("save widgets in icon cache");
// fifth step
if (FeatureFlags.FOLDER_NAME_SUGGEST.get()) {
loadFolderNames();
}
verifyNotStopped();
updateHandler.finish();
logger.addSplit("finish icon update");
transaction.commit();
} catch (CancellationException e) {
// Loader stopped, ignore
logger.addSplit("Cancelled");
} finally {
logger.dumpToLog();
}
TraceHelper.INSTANCE.endSection(traceToken);
}
public synchronized void stopLocked() {
mStopped = true;
this.notify();
}
private void loadWorkspace(List<ShortcutInfo> allDeepShortcuts) {
loadWorkspace(allDeepShortcuts, LauncherSettings.Favorites.CONTENT_URI);
}
protected void loadWorkspace(List<ShortcutInfo> allDeepShortcuts, Uri contentUri) {
final Context context = mApp.getContext();
final ContentResolver contentResolver = context.getContentResolver();
final PackageManagerHelper pmHelper = new PackageManagerHelper(context);
final boolean isSafeMode = pmHelper.isSafeMode();
final boolean isSdCardReady = Utilities.isBootCompleted();
final MultiHashMap<UserHandle, String> pendingPackages = new MultiHashMap<>();
boolean clearDb = false;
try {
ImportDataTask.performImportIfPossible(context);
} catch (Exception e) {
// Migration failed. Clear workspace.
clearDb = true;
}
if (!clearDb && (MULTI_DB_GRID_MIRATION_ALGO.get()
? !GridSizeMigrationTaskV2.migrateGridIfNeeded(context)
: !GridSizeMigrationTask.migrateGridIfNeeded(context))) {
// Migration failed. Clear workspace.
clearDb = true;
}
if (clearDb) {
Log.d(TAG, "loadWorkspace: resetting launcher database");
LauncherSettings.Settings.call(contentResolver,
LauncherSettings.Settings.METHOD_CREATE_EMPTY_DB);
}
Log.d(TAG, "loadWorkspace: loading default favorites");
LauncherSettings.Settings.call(contentResolver,
LauncherSettings.Settings.METHOD_LOAD_DEFAULT_FAVORITES);
synchronized (mBgDataModel) {
mBgDataModel.clear();
final HashMap<PackageUserKey, SessionInfo> installingPkgs =
mSessionHelper.getActiveSessions();
installingPkgs.forEach(mApp.getIconCache()::updateSessionCache);
final PackageUserKey tempPackageKey = new PackageUserKey(null, null);
mFirstScreenBroadcast = new FirstScreenBroadcast(installingPkgs);
Map<ShortcutKey, ShortcutInfo> shortcutKeyToPinnedShortcuts = new HashMap<>();
final LoaderCursor c = new LoaderCursor(
contentResolver.query(contentUri, null, null, null, null), contentUri, mApp);
Map<ComponentKey, AppWidgetProviderInfo> widgetProvidersMap = null;
try {
final int appWidgetIdIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.APPWIDGET_ID);
final int appWidgetProviderIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.APPWIDGET_PROVIDER);
final int spanXIndex = c.getColumnIndexOrThrow
(LauncherSettings.Favorites.SPANX);
final int spanYIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.SPANY);
final int rankIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.RANK);
final int optionsIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.OPTIONS);
final LongSparseArray<UserHandle> allUsers = c.allUsers;
final LongSparseArray<Boolean> quietMode = new LongSparseArray<>();
final LongSparseArray<Boolean> unlockedUsers = new LongSparseArray<>();
for (UserHandle user : mUserCache.getUserProfiles()) {
long serialNo = mUserCache.getSerialNumberForUser(user);
allUsers.put(serialNo, user);
quietMode.put(serialNo, mUserManager.isQuietModeEnabled(user));
boolean userUnlocked = mUserManager.isUserUnlocked(user);
// We can only query for shortcuts when the user is unlocked.
if (userUnlocked) {
QueryResult pinnedShortcuts = new ShortcutRequest(context, user)
.query(ShortcutRequest.PINNED);
if (pinnedShortcuts.wasSuccess()) {
for (ShortcutInfo shortcut : pinnedShortcuts) {
shortcutKeyToPinnedShortcuts.put(ShortcutKey.fromInfo(shortcut),
shortcut);
}
} else {
// Shortcut manager can fail due to some race condition when the
// lock state changes too frequently. For the purpose of the loading
// shortcuts, consider the user is still locked.
userUnlocked = false;
}
}
unlockedUsers.put(serialNo, userUnlocked);
}
WorkspaceItemInfo info;
LauncherAppWidgetInfo appWidgetInfo;
Intent intent;
String targetPkg;
while (!mStopped && c.moveToNext()) {
try {
if (c.user == null) {
// User has been deleted, remove the item.
c.markDeleted("User has been deleted");
continue;
}
boolean allowMissingTarget = false;
switch (c.itemType) {
case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
case LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT:
intent = c.parseIntent();
if (intent == null) {
c.markDeleted("Invalid or null intent");
continue;
}
int disabledState = quietMode.get(c.serialNumber) ?
WorkspaceItemInfo.FLAG_DISABLED_QUIET_USER : 0;
ComponentName cn = intent.getComponent();
targetPkg = cn == null ? intent.getPackage() : cn.getPackageName();
if (allUsers.indexOfValue(c.user) < 0) {
if (c.itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT) {
c.markDeleted("Legacy shortcuts are only allowed for current users");
continue;
} else if (c.restoreFlag != 0) {
// Don't restore items for other profiles.
c.markDeleted("Restore from other profiles not supported");
continue;
}
}
if (TextUtils.isEmpty(targetPkg) &&
c.itemType != LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT) {
c.markDeleted("Only legacy shortcuts can have null package");
continue;
}
// If there is no target package, its an implicit intent
// (legacy shortcut) which is always valid
boolean validTarget = TextUtils.isEmpty(targetPkg) ||
mLauncherApps.isPackageEnabled(targetPkg, c.user);
// If it's a deep shortcut, we'll use pinned shortcuts to restore it
if (cn != null && validTarget && c.itemType
!= LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
// If the apk is present and the shortcut points to a specific
// component.
// If the component is already present
if (mLauncherApps.isActivityEnabled(cn, c.user)) {
// no special handling necessary for this item
c.markRestored();
} else {
// Gracefully try to find a fallback activity.
intent = pmHelper.getAppLaunchIntent(targetPkg, c.user);
if (intent != null) {
c.restoreFlag = 0;
c.updater().put(
LauncherSettings.Favorites.INTENT,
intent.toUri(0)).commit();
cn = intent.getComponent();
} else {
c.markDeleted("Unable to find a launch target");
continue;
}
}
}
// else if cn == null => can't infer much, leave it
// else if !validPkg => could be restored icon or missing sd-card
if (!TextUtils.isEmpty(targetPkg) && !validTarget) {
// Points to a valid app (superset of cn != null) but the apk
// is not available.
if (c.restoreFlag != 0) {
// Package is not yet available but might be
// installed later.
FileLog.d(TAG, "package not yet restored: " + targetPkg);
tempPackageKey.update(targetPkg, c.user);
if (c.hasRestoreFlag(WorkspaceItemInfo.FLAG_RESTORE_STARTED)) {
// Restore has started once.
} else if (installingPkgs.containsKey(tempPackageKey)) {
// App restore has started. Update the flag
c.restoreFlag |= WorkspaceItemInfo.FLAG_RESTORE_STARTED;
c.updater().put(LauncherSettings.Favorites.RESTORED,
c.restoreFlag).commit();
} else {
c.markDeleted("Unrestored app removed: " + targetPkg);
continue;
}
} else if (pmHelper.isAppOnSdcard(targetPkg, c.user)) {
// Package is present but not available.
disabledState |= WorkspaceItemInfo.FLAG_DISABLED_NOT_AVAILABLE;
// Add the icon on the workspace anyway.
allowMissingTarget = true;
} else if (!isSdCardReady) {
// SdCard is not ready yet. Package might get available,
// once it is ready.
Log.d(TAG, "Missing pkg, will check later: " + targetPkg);
pendingPackages.addToList(c.user, targetPkg);
// Add the icon on the workspace anyway.
allowMissingTarget = true;
} else {
// Do not wait for external media load anymore.
c.markDeleted("Invalid package removed: " + targetPkg);
continue;
}
}
if ((c.restoreFlag & WorkspaceItemInfo.FLAG_SUPPORTS_WEB_UI) != 0) {
validTarget = false;
}
if (validTarget) {
// The shortcut points to a valid target (either no target
// or something which is ready to be used)
c.markRestored();
}
boolean useLowResIcon = !c.isOnWorkspaceOrHotseat();
if (c.restoreFlag != 0) {
// Already verified above that user is same as default user
info = c.getRestoredItemInfo(intent);
} else if (c.itemType ==
LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
info = c.getAppShortcutInfo(
intent, allowMissingTarget, useLowResIcon);
} else if (c.itemType ==
LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
ShortcutKey key = ShortcutKey.fromIntent(intent, c.user);
if (unlockedUsers.get(c.serialNumber)) {
ShortcutInfo pinnedShortcut =
shortcutKeyToPinnedShortcuts.get(key);
if (pinnedShortcut == null) {
// The shortcut is no longer valid.
c.markDeleted("Pinned shortcut not found");
continue;
}
info = new WorkspaceItemInfo(pinnedShortcut, context);
// If the pinned deep shortcut is no longer published,
// use the last saved icon instead of the default.
mIconCache.getShortcutIcon(info, pinnedShortcut, c::loadIcon);
if (pmHelper.isAppSuspended(
pinnedShortcut.getPackage(), info.user)) {
info.runtimeStatusFlags |= FLAG_DISABLED_SUSPENDED;
}
intent = info.getIntent();
allDeepShortcuts.add(pinnedShortcut);
} else {
// Create a shortcut info in disabled mode for now.
info = c.loadSimpleWorkspaceItem();
info.runtimeStatusFlags |= FLAG_DISABLED_LOCKED_USER;
}
} else { // item type == ITEM_TYPE_SHORTCUT
info = c.loadSimpleWorkspaceItem();
// Shortcuts are only available on the primary profile
if (!TextUtils.isEmpty(targetPkg)
&& pmHelper.isAppSuspended(targetPkg, c.user)) {
disabledState |= FLAG_DISABLED_SUSPENDED;
}
// App shortcuts that used to be automatically added to Launcher
// didn't always have the correct intent flags set, so do that
// here
if (intent.getAction() != null &&
intent.getCategories() != null &&
intent.getAction().equals(Intent.ACTION_MAIN) &&
intent.getCategories().contains(Intent.CATEGORY_LAUNCHER)) {
intent.addFlags(
Intent.FLAG_ACTIVITY_NEW_TASK |
Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
}
}
if (info != null) {
c.applyCommonProperties(info);
info.intent = intent;
info.rank = c.getInt(rankIndex);
info.spanX = 1;
info.spanY = 1;
info.runtimeStatusFlags |= disabledState;
if (isSafeMode && !isSystemApp(context, intent)) {
info.runtimeStatusFlags |= FLAG_DISABLED_SAFEMODE;
}
if (c.restoreFlag != 0 && !TextUtils.isEmpty(targetPkg)) {
tempPackageKey.update(targetPkg, c.user);
SessionInfo si = installingPkgs.get(tempPackageKey);
if (si == null) {
info.status &= ~WorkspaceItemInfo.FLAG_INSTALL_SESSION_ACTIVE;
} else {
info.setInstallProgress((int) (si.getProgress() * 100));
}
}
c.checkAndAddItem(info, mBgDataModel);
} else {
throw new RuntimeException("Unexpected null WorkspaceItemInfo");
}
break;
case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
FolderInfo folderInfo = mBgDataModel.findOrMakeFolder(c.id);
c.applyCommonProperties(folderInfo);
// Do not trim the folder label, as is was set by the user.
folderInfo.title = c.getString(c.titleIndex);
folderInfo.spanX = 1;
folderInfo.spanY = 1;
folderInfo.options = c.getInt(optionsIndex);
// no special handling required for restored folders
c.markRestored();
c.checkAndAddItem(folderInfo, mBgDataModel);
break;
case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
if (WidgetsModel.GO_DISABLE_WIDGETS) {
c.markDeleted("Only legacy shortcuts can have null package");
continue;
}
// Follow through
case LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET:
// Read all Launcher-specific widget details
boolean customWidget = c.itemType ==
LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET;
int appWidgetId = c.getInt(appWidgetIdIndex);
String savedProvider = c.getString(appWidgetProviderIndex);
final ComponentName component;
boolean isSearchWidget = (c.getInt(optionsIndex)
& LauncherAppWidgetInfo.OPTION_SEARCH_WIDGET) != 0;
if (isSearchWidget) {
component = QsbContainerView.getSearchComponentName(context);
if (component == null) {
c.markDeleted("Discarding SearchWidget without packagename ");
continue;
}
} else {
component = ComponentName.unflattenFromString(savedProvider);
}
final boolean isIdValid = !c.hasRestoreFlag(
LauncherAppWidgetInfo.FLAG_ID_NOT_VALID);
final boolean wasProviderReady = !c.hasRestoreFlag(
LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY);
if (widgetProvidersMap == null) {
widgetProvidersMap = WidgetManagerHelper.getAllProvidersMap(context);
}
final AppWidgetProviderInfo provider = widgetProvidersMap.get(
new ComponentKey(component, c.user));
final boolean isProviderReady = isValidProvider(provider);
if (!isSafeMode && !customWidget &&
wasProviderReady && !isProviderReady) {
c.markDeleted(
"Deleting widget that isn't installed anymore: "
+ provider);
} else {
if (isProviderReady) {
appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId,
provider.provider);
// The provider is available. So the widget is either
// available or not available. We do not need to track
// any future restore updates.
int status = c.restoreFlag &
~LauncherAppWidgetInfo.FLAG_RESTORE_STARTED &
~LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY;
if (!wasProviderReady) {
// If provider was not previously ready, update the
// status and UI flag.
// Id would be valid only if the widget restore broadcast was received.
if (isIdValid) {
status |= LauncherAppWidgetInfo.FLAG_UI_NOT_READY;
}
}
appWidgetInfo.restoreStatus = status;
} else {
Log.v(TAG, "Widget restore pending id=" + c.id
+ " appWidgetId=" + appWidgetId
+ " status =" + c.restoreFlag);
appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId,
component);
appWidgetInfo.restoreStatus = c.restoreFlag;
tempPackageKey.update(component.getPackageName(), c.user);
SessionInfo si =
installingPkgs.get(tempPackageKey);
Integer installProgress = si == null
? null
: (int) (si.getProgress() * 100);
if (c.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_RESTORE_STARTED)) {
// Restore has started once.
} else if (installProgress != null) {
// App restore has started. Update the flag
appWidgetInfo.restoreStatus |=
LauncherAppWidgetInfo.FLAG_RESTORE_STARTED;
} else if (!isSafeMode) {
c.markDeleted("Unrestored widget removed: " + component);
continue;
}
appWidgetInfo.installProgress =
installProgress == null ? 0 : installProgress;
}
if (appWidgetInfo.hasRestoreFlag(
LauncherAppWidgetInfo.FLAG_DIRECT_CONFIG)) {
appWidgetInfo.bindOptions = c.parseIntent();
}
c.applyCommonProperties(appWidgetInfo);
appWidgetInfo.spanX = c.getInt(spanXIndex);
appWidgetInfo.spanY = c.getInt(spanYIndex);
appWidgetInfo.options = c.getInt(optionsIndex);
appWidgetInfo.user = c.user;
if (appWidgetInfo.spanX <= 0 || appWidgetInfo.spanY <= 0) {
c.markDeleted("Widget has invalid size: "
+ appWidgetInfo.spanX + "x" + appWidgetInfo.spanY);
continue;
}
if (!c.isOnWorkspaceOrHotseat()) {
c.markDeleted("Widget found where container != " +
"CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!");
continue;
}
if (!customWidget) {
String providerName =
appWidgetInfo.providerName.flattenToString();
if (!providerName.equals(savedProvider) ||
(appWidgetInfo.restoreStatus != c.restoreFlag)) {
c.updater()
.put(LauncherSettings.Favorites.APPWIDGET_PROVIDER,
providerName)
.put(LauncherSettings.Favorites.RESTORED,
appWidgetInfo.restoreStatus)
.commit();
}
}
if (appWidgetInfo.restoreStatus !=
LauncherAppWidgetInfo.RESTORE_COMPLETED) {
String pkg = appWidgetInfo.providerName.getPackageName();
appWidgetInfo.pendingItemInfo = new PackageItemInfo(pkg);
appWidgetInfo.pendingItemInfo.user = appWidgetInfo.user;
mIconCache.getTitleAndIconForApp(
appWidgetInfo.pendingItemInfo, false);
}
c.checkAndAddItem(appWidgetInfo, mBgDataModel);
}
break;
}
} catch (Exception e) {
Log.e(TAG, "Desktop items loading interrupted", e);
}
}
} finally {
IOUtils.closeSilently(c);
}
// Break early if we've stopped loading
if (mStopped) {
mBgDataModel.clear();
return;
}
// Remove dead items
if (c.commitDeleted()) {
// Remove any empty folder
int[] deletedFolderIds = LauncherSettings.Settings
.call(contentResolver,
LauncherSettings.Settings.METHOD_DELETE_EMPTY_FOLDERS)
.getIntArray(LauncherSettings.Settings.EXTRA_VALUE);
for (int folderId : deletedFolderIds) {
mBgDataModel.workspaceItems.remove(mBgDataModel.folders.get(folderId));
mBgDataModel.folders.remove(folderId);
mBgDataModel.itemsIdMap.remove(folderId);
}
// Remove any ghost widgets
LauncherSettings.Settings.call(contentResolver,
LauncherSettings.Settings.METHOD_REMOVE_GHOST_WIDGETS);
}
// Unpin shortcuts that don't exist on the workspace.
HashSet<ShortcutKey> pendingShortcuts =
InstallShortcutReceiver.getPendingShortcuts(context);
for (ShortcutKey key : shortcutKeyToPinnedShortcuts.keySet()) {
MutableInt numTimesPinned = mBgDataModel.pinnedShortcutCounts.get(key);
if ((numTimesPinned == null || numTimesPinned.value == 0)
&& !pendingShortcuts.contains(key)) {
// Shortcut is pinned but doesn't exist on the workspace; unpin it.
mBgDataModel.unpinShortcut(context, key);
}
}
// Sort the folder items, update ranks, and make sure all preview items are high res.
FolderGridOrganizer verifier =
new FolderGridOrganizer(mApp.getInvariantDeviceProfile());
for (FolderInfo folder : mBgDataModel.folders) {
Collections.sort(folder.contents, Folder.ITEM_POS_COMPARATOR);
verifier.setFolderInfo(folder);
int size = folder.contents.size();
// Update ranks here to ensure there are no gaps caused by removed folder items.
// Ranks are the source of truth for folder items, so cellX and cellY can be ignored
// for now. Database will be updated once user manually modifies folder.
for (int rank = 0; rank < size; ++rank) {
WorkspaceItemInfo info = folder.contents.get(rank);
info.rank = rank;
if (info.usingLowResIcon()
&& info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION
&& verifier.isItemInPreview(info.rank)) {
mIconCache.getTitleAndIcon(info, false);
}
}
}
c.commitRestoredItems();
if (!isSdCardReady && !pendingPackages.isEmpty()) {
context.registerReceiver(
new SdCardAvailableReceiver(mApp, pendingPackages),
new IntentFilter(Intent.ACTION_BOOT_COMPLETED),
null,
MODEL_EXECUTOR.getHandler());
}
}
}
private void setIgnorePackages(IconCacheUpdateHandler updateHandler) {
// Ignore packages which have a promise icon.
synchronized (mBgDataModel) {
for (ItemInfo info : mBgDataModel.itemsIdMap) {
if (info instanceof WorkspaceItemInfo) {
WorkspaceItemInfo si = (WorkspaceItemInfo) info;
if (si.isPromise() && si.getTargetComponent() != null) {
updateHandler.addPackagesToIgnore(
si.user, si.getTargetComponent().getPackageName());
}
} else if (info instanceof LauncherAppWidgetInfo) {
LauncherAppWidgetInfo lawi = (LauncherAppWidgetInfo) info;
if (lawi.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY)) {
updateHandler.addPackagesToIgnore(
lawi.user, lawi.providerName.getPackageName());
}
}
}
}
}
private List<AppInfo> loadCachedPredictions() {
synchronized (mBgDataModel) {
List<ComponentKey> componentKeys =
mApp.getPredictionModel().getPredictionComponentKeys();
List<AppInfo> results = new ArrayList<>();
if (componentKeys == null) return results;
List<LauncherActivityInfo> l;
mBgDataModel.cachedPredictedItems.clear();
for (ComponentKey key : componentKeys) {
l = mLauncherApps.getActivityList(key.componentName.getPackageName(), key.user);
if (l.size() == 0) continue;
boolean quietMode = mUserManager.isQuietModeEnabled(key.user);
AppInfo info = new AppInfo(l.get(0), key.user, quietMode);
mBgDataModel.cachedPredictedItems.add(info);
mIconCache.getTitleAndIcon(info, false);
}
return results;
}
}
private List<LauncherActivityInfo> loadAllApps() {
final List<UserHandle> profiles = mUserCache.getUserProfiles();
List<LauncherActivityInfo> allActivityList = new ArrayList<>();
// Clear the list of apps
mBgAllAppsList.clear();
for (UserHandle user : profiles) {
// Query for the set of apps
final List<LauncherActivityInfo> 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 allActivityList;
}
boolean quietMode = mUserManager.isQuietModeEnabled(user);
// Create the ApplicationInfos
for (int i = 0; i < apps.size(); i++) {
LauncherActivityInfo app = apps.get(i);
// This builds the icon bitmaps.
mBgAllAppsList.add(new AppInfo(app, user, quietMode), app);
}
allActivityList.addAll(apps);
}
if (FeatureFlags.PROMISE_APPS_IN_ALL_APPS.get()) {
// get all active sessions and add them to the all apps list
for (PackageInstaller.SessionInfo info :
mSessionHelper.getAllVerifiedSessions()) {
mBgAllAppsList.addPromiseApp(mApp.getContext(),
PackageInstallInfo.fromInstallingState(info));
}
}
for (AppInfo item : mBgDataModel.cachedPredictedItems) {
List<LauncherActivityInfo> l = mLauncherApps.getActivityList(
item.componentName.getPackageName(), item.user);
for (LauncherActivityInfo info : l) {
boolean quietMode = mUserManager.isQuietModeEnabled(item.user);
mBgAllAppsList.add(new AppInfo(info, item.user, quietMode), info);
}
}
mBgAllAppsList.getAndResetChangeFlag();
return allActivityList;
}
private List<ShortcutInfo> loadDeepShortcuts() {
List<ShortcutInfo> allShortcuts = new ArrayList<>();
mBgDataModel.deepShortcutMap.clear();
mBgDataModel.hasShortcutHostPermission = hasShortcutsPermission(mApp.getContext());
if (mBgDataModel.hasShortcutHostPermission) {
for (UserHandle user : mUserCache.getUserProfiles()) {
if (mUserManager.isUserUnlocked(user)) {
List<ShortcutInfo> shortcuts = new ShortcutRequest(mApp.getContext(), user)
.query(ShortcutRequest.ALL);
allShortcuts.addAll(shortcuts);
mBgDataModel.updateDeepShortcutCounts(null, user, shortcuts);
}
}
}
return allShortcuts;
}
private void loadFolderNames() {
FolderNameProvider provider = FolderNameProvider.newInstance(mApp.getContext(),
mBgAllAppsList.data, mBgDataModel.folders);
synchronized (mBgDataModel) {
for (int i = 0; i < mBgDataModel.folders.size(); i++) {
FolderNameInfo[] suggestionInfos =
new FolderNameInfo[FolderNameProvider.SUGGEST_MAX];
FolderInfo info = mBgDataModel.folders.valueAt(i);
if (info.suggestedFolderNames == null) {
provider.getSuggestedFolderName(mApp.getContext(), info.contents,
suggestionInfos);
info.suggestedFolderNames = new Intent().putExtra("suggest", suggestionInfos);
}
}
}
}
public static boolean isValidProvider(AppWidgetProviderInfo provider) {
return (provider != null) && (provider.provider != null)
&& (provider.provider.getPackageName() != null);
}
}