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LeafOS / LeafOS-Project / android_packages_apps_Launcher3 / a9f1e720f99250d362df343bd51958b944a96223 / . / src / com / android / launcher3 / LauncherModel.java
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/*
* 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.appwidget.AppWidgetProviderInfo;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentProviderOperation;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.Intent.ShortcutIconResource;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Parcelable;
import android.os.Process;
import android.os.SystemClock;
import android.os.Trace;
import android.provider.BaseColumns;
import android.text.TextUtils;
import android.util.Log;
import android.util.LongSparseArray;
import android.util.MutableInt;
import android.util.Pair;
import com.android.launcher3.compat.AppWidgetManagerCompat;
import com.android.launcher3.compat.LauncherActivityInfoCompat;
import com.android.launcher3.compat.LauncherAppsCompat;
import com.android.launcher3.compat.PackageInstallerCompat;
import com.android.launcher3.compat.PackageInstallerCompat.PackageInstallInfo;
import com.android.launcher3.compat.UserHandleCompat;
import com.android.launcher3.compat.UserManagerCompat;
import com.android.launcher3.config.FeatureFlags;
import com.android.launcher3.config.ProviderConfig;
import com.android.launcher3.dynamicui.ExtractionUtils;
import com.android.launcher3.folder.Folder;
import com.android.launcher3.folder.FolderIcon;
import com.android.launcher3.graphics.LauncherIcons;
import com.android.launcher3.logging.FileLog;
import com.android.launcher3.model.BgDataModel;
import com.android.launcher3.model.GridSizeMigrationTask;
import com.android.launcher3.model.PackageItemInfo;
import com.android.launcher3.model.SdCardAvailableReceiver;
import com.android.launcher3.model.WidgetItem;
import com.android.launcher3.model.WidgetsModel;
import com.android.launcher3.provider.ImportDataTask;
import com.android.launcher3.provider.LauncherDbUtils;
import com.android.launcher3.shortcuts.DeepShortcutManager;
import com.android.launcher3.shortcuts.ShortcutInfoCompat;
import com.android.launcher3.shortcuts.ShortcutKey;
import com.android.launcher3.util.ComponentKey;
import com.android.launcher3.util.CursorIconInfo;
import com.android.launcher3.util.FlagOp;
import com.android.launcher3.util.GridOccupancy;
import com.android.launcher3.util.ItemInfoMatcher;
import com.android.launcher3.util.LongArrayMap;
import com.android.launcher3.util.ManagedProfileHeuristic;
import com.android.launcher3.util.MultiHashMap;
import com.android.launcher3.util.PackageManagerHelper;
import com.android.launcher3.util.Preconditions;
import com.android.launcher3.util.Thunk;
import com.android.launcher3.util.ViewOnDrawExecutor;
import java.lang.ref.WeakReference;
import java.net.URISyntaxException;
import java.security.InvalidParameterException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Executor;
/**
* Maintains in-memory state of the Launcher. It is expected that there should be only one
* LauncherModel object held in a static. Also provide APIs for updating the database state
* for the Launcher.
*/
public class LauncherModel extends BroadcastReceiver
implements LauncherAppsCompat.OnAppsChangedCallbackCompat {
static final boolean DEBUG_LOADERS = false;
private static final boolean DEBUG_RECEIVER = false;
static final String TAG = "Launcher.Model";
private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons
private static final long INVALID_SCREEN_ID = -1L;
@Thunk final LauncherAppState mApp;
@Thunk final Object mLock = new Object();
@Thunk DeferredHandler mHandler = new DeferredHandler();
@Thunk LoaderTask mLoaderTask;
@Thunk boolean mIsLoaderTaskRunning;
@Thunk boolean mHasLoaderCompletedOnce;
@Thunk static final HandlerThread sWorkerThread = new HandlerThread("launcher-loader");
static {
sWorkerThread.start();
}
@Thunk static final Handler sWorker = new Handler(sWorkerThread.getLooper());
// We start off with everything not loaded. After that, we assume that
// our monitoring of the package manager provides all updates and we never
// need to do a requery. These are only ever touched from the loader thread.
private boolean mWorkspaceLoaded;
private boolean mAllAppsLoaded;
private boolean mDeepShortcutsLoaded;
/**
* Set of runnables to be called on the background thread after the workspace binding
* is complete.
*/
static final ArrayList<Runnable> mBindCompleteRunnables = new ArrayList<Runnable>();
@Thunk WeakReference<Callbacks> mCallbacks;
// < only access in worker thread >
private final AllAppsList mBgAllAppsList;
// Entire list of widgets.
private final WidgetsModel mBgWidgetsModel;
private boolean mHasShortcutHostPermission;
// Runnable to check if the shortcuts permission has changed.
private final Runnable mShortcutPermissionCheckRunnable = new Runnable() {
@Override
public void run() {
if (mDeepShortcutsLoaded) {
boolean hasShortcutHostPermission = mDeepShortcutManager.hasHostPermission();
if (hasShortcutHostPermission != mHasShortcutHostPermission) {
mApp.reloadWorkspace();
}
}
}
};
/**
* All the static data should be accessed on the background thread, A lock should be acquired
* on this object when accessing any data from this model.
*/
static final BgDataModel sBgDataModel = new BgDataModel();
// </ only access in worker thread >
private IconCache mIconCache;
private DeepShortcutManager mDeepShortcutManager;
private final LauncherAppsCompat mLauncherApps;
private final UserManagerCompat mUserManager;
public interface Callbacks {
public boolean setLoadOnResume();
public int getCurrentWorkspaceScreen();
public void clearPendingBinds();
public void startBinding();
public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end,
boolean forceAnimateIcons);
public void bindScreens(ArrayList<Long> orderedScreenIds);
public void finishFirstPageBind(ViewOnDrawExecutor executor);
public void finishBindingItems();
public void bindAppWidget(LauncherAppWidgetInfo info);
public void bindAllApplications(ArrayList<AppInfo> apps);
public void bindAppsAdded(ArrayList<Long> newScreens,
ArrayList<ItemInfo> addNotAnimated,
ArrayList<ItemInfo> addAnimated,
ArrayList<AppInfo> addedApps);
public void bindAppsUpdated(ArrayList<AppInfo> apps);
public void bindShortcutsChanged(ArrayList<ShortcutInfo> updated,
ArrayList<ShortcutInfo> removed, UserHandleCompat user);
public void bindWidgetsRestored(ArrayList<LauncherAppWidgetInfo> widgets);
public void bindRestoreItemsChange(HashSet<ItemInfo> updates);
public void bindWorkspaceComponentsRemoved(
HashSet<String> packageNames, HashSet<ComponentName> components,
UserHandleCompat user);
public void bindAppInfosRemoved(ArrayList<AppInfo> appInfos);
public void notifyWidgetProvidersChanged();
public void bindAllWidgets(MultiHashMap<PackageItemInfo, WidgetItem> widgets);
public void onPageBoundSynchronously(int page);
public void executeOnNextDraw(ViewOnDrawExecutor executor);
public void bindDeepShortcutMap(MultiHashMap<ComponentKey, String> deepShortcutMap);
}
LauncherModel(LauncherAppState app, IconCache iconCache, AppFilter appFilter,
DeepShortcutManager deepShortcutManager) {
Context context = app.getContext();
mApp = app;
mBgAllAppsList = new AllAppsList(iconCache, appFilter);
mBgWidgetsModel = new WidgetsModel(iconCache, appFilter);
mIconCache = iconCache;
mDeepShortcutManager = deepShortcutManager;
mLauncherApps = LauncherAppsCompat.getInstance(context);
mUserManager = UserManagerCompat.getInstance(context);
}
/** Runs the specified runnable immediately if called from the main thread, otherwise it is
* posted on the main thread handler. */
private void runOnMainThread(Runnable r) {
if (sWorkerThread.getThreadId() == Process.myTid()) {
// If we are on the worker thread, post onto the main handler
mHandler.post(r);
} else {
r.run();
}
}
/** Runs the specified runnable immediately if called from the worker thread, otherwise it is
* posted on the worker thread handler. */
private static void runOnWorkerThread(Runnable r) {
if (sWorkerThread.getThreadId() == Process.myTid()) {
r.run();
} else {
// If we are not on the worker thread, then post to the worker handler
sWorker.post(r);
}
}
public void setPackageState(final PackageInstallInfo installInfo) {
Runnable updateRunnable = new Runnable() {
@Override
public void run() {
synchronized (sBgDataModel) {
final HashSet<ItemInfo> updates = new HashSet<>();
if (installInfo.state == PackageInstallerCompat.STATUS_INSTALLED) {
// Ignore install success events as they are handled by Package add events.
return;
}
for (ItemInfo info : sBgDataModel.itemsIdMap) {
if (info instanceof ShortcutInfo) {
ShortcutInfo si = (ShortcutInfo) info;
ComponentName cn = si.getTargetComponent();
if (si.isPromise() && (cn != null)
&& installInfo.packageName.equals(cn.getPackageName())) {
si.setInstallProgress(installInfo.progress);
if (installInfo.state == PackageInstallerCompat.STATUS_FAILED) {
// Mark this info as broken.
si.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE;
}
updates.add(si);
}
}
}
for (LauncherAppWidgetInfo widget : sBgDataModel.appWidgets) {
if (widget.providerName.getPackageName().equals(installInfo.packageName)) {
widget.installProgress = installInfo.progress;
updates.add(widget);
}
}
if (!updates.isEmpty()) {
// Push changes to the callback.
Runnable r = new Runnable() {
public void run() {
Callbacks callbacks = getCallback();
if (callbacks != null) {
callbacks.bindRestoreItemsChange(updates);
}
}
};
mHandler.post(r);
}
}
}
};
runOnWorkerThread(updateRunnable);
}
/**
* Updates the icons and label of all pending icons for the provided package name.
*/
public void updateSessionDisplayInfo(final String packageName) {
Runnable updateRunnable = new Runnable() {
@Override
public void run() {
synchronized (sBgDataModel) {
ArrayList<ShortcutInfo> updates = new ArrayList<>();
UserHandleCompat user = UserHandleCompat.myUserHandle();
for (ItemInfo info : sBgDataModel.itemsIdMap) {
if (info instanceof ShortcutInfo) {
ShortcutInfo si = (ShortcutInfo) info;
ComponentName cn = si.getTargetComponent();
if (si.isPromise() && (cn != null)
&& packageName.equals(cn.getPackageName())) {
si.updateIcon(mIconCache);
updates.add(si);
}
}
}
bindUpdatedShortcuts(updates, user);
}
}
};
runOnWorkerThread(updateRunnable);
}
public void addAppsToAllApps(final Context ctx, final ArrayList<AppInfo> allAppsApps) {
final Callbacks callbacks = getCallback();
if (allAppsApps == null) {
throw new RuntimeException("allAppsApps must not be null");
}
if (allAppsApps.isEmpty()) {
return;
}
// Process the newly added applications and add them to the database first
Runnable r = new Runnable() {
public void run() {
runOnMainThread(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.bindAppsAdded(null, null, null, allAppsApps);
}
}
});
}
};
runOnWorkerThread(r);
}
private static boolean findNextAvailableIconSpaceInScreen(ArrayList<ItemInfo> occupiedPos,
int[] xy, int spanX, int spanY) {
LauncherAppState app = LauncherAppState.getInstance();
InvariantDeviceProfile profile = app.getInvariantDeviceProfile();
GridOccupancy occupied = new GridOccupancy(profile.numColumns, profile.numRows);
if (occupiedPos != null) {
for (ItemInfo r : occupiedPos) {
occupied.markCells(r, true);
}
}
return occupied.findVacantCell(xy, spanX, spanY);
}
/**
* Find a position on the screen for the given size or adds a new screen.
* @return screenId and the coordinates for the item.
*/
@Thunk Pair<Long, int[]> findSpaceForItem(
Context context,
ArrayList<Long> workspaceScreens,
ArrayList<Long> addedWorkspaceScreensFinal,
int spanX, int spanY) {
LongSparseArray<ArrayList<ItemInfo>> screenItems = new LongSparseArray<>();
// Use sBgItemsIdMap as all the items are already loaded.
assertWorkspaceLoaded();
synchronized (sBgDataModel) {
for (ItemInfo info : sBgDataModel.itemsIdMap) {
if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) {
ArrayList<ItemInfo> items = screenItems.get(info.screenId);
if (items == null) {
items = new ArrayList<>();
screenItems.put(info.screenId, items);
}
items.add(info);
}
}
}
// Find appropriate space for the item.
long screenId = 0;
int[] cordinates = new int[2];
boolean found = false;
int screenCount = workspaceScreens.size();
// First check the preferred screen.
int preferredScreenIndex = workspaceScreens.isEmpty() ? 0 : 1;
if (preferredScreenIndex < screenCount) {
screenId = workspaceScreens.get(preferredScreenIndex);
found = findNextAvailableIconSpaceInScreen(
screenItems.get(screenId), cordinates, spanX, spanY);
}
if (!found) {
// Search on any of the screens starting from the first screen.
for (int screen = 1; screen < screenCount; screen++) {
screenId = workspaceScreens.get(screen);
if (findNextAvailableIconSpaceInScreen(
screenItems.get(screenId), cordinates, spanX, spanY)) {
// We found a space for it
found = true;
break;
}
}
}
if (!found) {
// Still no position found. Add a new screen to the end.
screenId = LauncherSettings.Settings.call(context.getContentResolver(),
LauncherSettings.Settings.METHOD_NEW_SCREEN_ID)
.getLong(LauncherSettings.Settings.EXTRA_VALUE);
// Save the screen id for binding in the workspace
workspaceScreens.add(screenId);
addedWorkspaceScreensFinal.add(screenId);
// If we still can't find an empty space, then God help us all!!!
if (!findNextAvailableIconSpaceInScreen(
screenItems.get(screenId), cordinates, spanX, spanY)) {
throw new RuntimeException("Can't find space to add the item");
}
}
return Pair.create(screenId, cordinates);
}
/**
* Adds the provided items to the workspace.
*/
public void addAndBindAddedWorkspaceItems(final Context context,
final ArrayList<? extends ItemInfo> workspaceApps) {
final Callbacks callbacks = getCallback();
if (workspaceApps.isEmpty()) {
return;
}
// Process the newly added applications and add them to the database first
Runnable r = new Runnable() {
public void run() {
final ArrayList<ItemInfo> addedShortcutsFinal = new ArrayList<ItemInfo>();
final ArrayList<Long> addedWorkspaceScreensFinal = new ArrayList<Long>();
// Get the list of workspace screens. We need to append to this list and
// can not use sBgWorkspaceScreens because loadWorkspace() may not have been
// called.
ArrayList<Long> workspaceScreens = loadWorkspaceScreensDb(context);
synchronized(sBgDataModel) {
for (ItemInfo item : workspaceApps) {
if (item instanceof ShortcutInfo) {
// Short-circuit this logic if the icon exists somewhere on the workspace
if (shortcutExists(context, item.getIntent(), item.user)) {
continue;
}
}
// Find appropriate space for the item.
Pair<Long, int[]> coords = findSpaceForItem(context,
workspaceScreens, addedWorkspaceScreensFinal, 1, 1);
long screenId = coords.first;
int[] cordinates = coords.second;
ItemInfo itemInfo;
if (item instanceof ShortcutInfo || item instanceof FolderInfo) {
itemInfo = item;
} else if (item instanceof AppInfo) {
itemInfo = ((AppInfo) item).makeShortcut();
} else {
throw new RuntimeException("Unexpected info type");
}
// Add the shortcut to the db
addItemToDatabase(context, itemInfo,
LauncherSettings.Favorites.CONTAINER_DESKTOP,
screenId, cordinates[0], cordinates[1]);
// Save the ShortcutInfo for binding in the workspace
addedShortcutsFinal.add(itemInfo);
}
}
// Update the workspace screens
updateWorkspaceScreenOrder(context, workspaceScreens);
if (!addedShortcutsFinal.isEmpty()) {
runOnMainThread(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
final ArrayList<ItemInfo> addAnimated = new ArrayList<ItemInfo>();
final ArrayList<ItemInfo> addNotAnimated = new ArrayList<ItemInfo>();
if (!addedShortcutsFinal.isEmpty()) {
ItemInfo info = addedShortcutsFinal.get(addedShortcutsFinal.size() - 1);
long lastScreenId = info.screenId;
for (ItemInfo i : addedShortcutsFinal) {
if (i.screenId == lastScreenId) {
addAnimated.add(i);
} else {
addNotAnimated.add(i);
}
}
}
callbacks.bindAppsAdded(addedWorkspaceScreensFinal,
addNotAnimated, addAnimated, null);
}
}
});
}
}
};
runOnWorkerThread(r);
}
/**
* Adds an item to the DB if it was not created previously, or move it to a new
* <container, screen, cellX, cellY>
*/
public static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container,
long screenId, int cellX, int cellY) {
if (item.container == ItemInfo.NO_ID) {
// From all apps
addItemToDatabase(context, item, container, screenId, cellX, cellY);
} else {
// From somewhere else
moveItemInDatabase(context, item, container, screenId, cellX, cellY);
}
}
static void checkItemInfoLocked(
final long itemId, final ItemInfo item, StackTraceElement[] stackTrace) {
ItemInfo modelItem = sBgDataModel.itemsIdMap.get(itemId);
if (modelItem != null && item != modelItem) {
// check all the data is consistent
if (modelItem instanceof ShortcutInfo && item instanceof ShortcutInfo) {
ShortcutInfo modelShortcut = (ShortcutInfo) modelItem;
ShortcutInfo shortcut = (ShortcutInfo) item;
if (modelShortcut.title.toString().equals(shortcut.title.toString()) &&
modelShortcut.intent.filterEquals(shortcut.intent) &&
modelShortcut.id == shortcut.id &&
modelShortcut.itemType == shortcut.itemType &&
modelShortcut.container == shortcut.container &&
modelShortcut.screenId == shortcut.screenId &&
modelShortcut.cellX == shortcut.cellX &&
modelShortcut.cellY == shortcut.cellY &&
modelShortcut.spanX == shortcut.spanX &&
modelShortcut.spanY == shortcut.spanY) {
// For all intents and purposes, this is the same object
return;
}
}
// the modelItem needs to match up perfectly with item if our model is
// to be consistent with the database-- for now, just require
// modelItem == item or the equality check above
String msg = "item: " + ((item != null) ? item.toString() : "null") +
"modelItem: " +
((modelItem != null) ? modelItem.toString() : "null") +
"Error: ItemInfo passed to checkItemInfo doesn't match original";
RuntimeException e = new RuntimeException(msg);
if (stackTrace != null) {
e.setStackTrace(stackTrace);
}
throw e;
}
}
static void checkItemInfo(final ItemInfo item) {
final StackTraceElement[] stackTrace = new Throwable().getStackTrace();
final long itemId = item.id;
Runnable r = new Runnable() {
public void run() {
synchronized (sBgDataModel) {
checkItemInfoLocked(itemId, item, stackTrace);
}
}
};
runOnWorkerThread(r);
}
static void updateItemInDatabaseHelper(Context context, final ContentValues values,
final ItemInfo item, final String callingFunction) {
final long itemId = item.id;
final Uri uri = LauncherSettings.Favorites.getContentUri(itemId);
final ContentResolver cr = context.getContentResolver();
final StackTraceElement[] stackTrace = new Throwable().getStackTrace();
Runnable r = new Runnable() {
public void run() {
cr.update(uri, values, null, null);
updateItemArrays(item, itemId, stackTrace);
}
};
runOnWorkerThread(r);
}
static void updateItemsInDatabaseHelper(Context context, final ArrayList<ContentValues> valuesList,
final ArrayList<ItemInfo> items, final String callingFunction) {
final ContentResolver cr = context.getContentResolver();
final StackTraceElement[] stackTrace = new Throwable().getStackTrace();
Runnable r = new Runnable() {
public void run() {
ArrayList<ContentProviderOperation> ops =
new ArrayList<ContentProviderOperation>();
int count = items.size();
for (int i = 0; i < count; i++) {
ItemInfo item = items.get(i);
final long itemId = item.id;
final Uri uri = LauncherSettings.Favorites.getContentUri(itemId);
ContentValues values = valuesList.get(i);
ops.add(ContentProviderOperation.newUpdate(uri).withValues(values).build());
updateItemArrays(item, itemId, stackTrace);
}
try {
cr.applyBatch(LauncherProvider.AUTHORITY, ops);
} catch (Exception e) {
e.printStackTrace();
}
}
};
runOnWorkerThread(r);
}
static void updateItemArrays(ItemInfo item, long itemId, StackTraceElement[] stackTrace) {
// Lock on mBgLock *after* the db operation
synchronized (sBgDataModel) {
checkItemInfoLocked(itemId, item, stackTrace);
if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP &&
item.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
// Item is in a folder, make sure this folder exists
if (!sBgDataModel.folders.containsKey(item.container)) {
// An items container is being set to a that of an item which is not in
// the list of Folders.
String msg = "item: " + item + " container being set to: " +
item.container + ", not in the list of folders";
Log.e(TAG, msg);
}
}
// Items are added/removed from the corresponding FolderInfo elsewhere, such
// as in Workspace.onDrop. Here, we just add/remove them from the list of items
// that are on the desktop, as appropriate
ItemInfo modelItem = sBgDataModel.itemsIdMap.get(itemId);
if (modelItem != null &&
(modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP ||
modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT)) {
switch (modelItem.itemType) {
case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
case LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT:
case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
if (!sBgDataModel.workspaceItems.contains(modelItem)) {
sBgDataModel.workspaceItems.add(modelItem);
}
break;
default:
break;
}
} else {
sBgDataModel.workspaceItems.remove(modelItem);
}
}
}
/**
* Move an item in the DB to a new <container, screen, cellX, cellY>
*/
public static void moveItemInDatabase(Context context, final ItemInfo item, final long container,
final long screenId, final int cellX, final int cellY) {
item.container = container;
item.cellX = cellX;
item.cellY = cellY;
// We store hotseat items in canonical form which is this orientation invariant position
// in the hotseat
if (context instanceof Launcher && screenId < 0 &&
container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
item.screenId = Launcher.getLauncher(context).getHotseat()
.getOrderInHotseat(cellX, cellY);
} else {
item.screenId = screenId;
}
final ContentValues values = new ContentValues();
values.put(LauncherSettings.Favorites.CONTAINER, item.container);
values.put(LauncherSettings.Favorites.CELLX, item.cellX);
values.put(LauncherSettings.Favorites.CELLY, item.cellY);
values.put(LauncherSettings.Favorites.RANK, item.rank);
values.put(LauncherSettings.Favorites.SCREEN, item.screenId);
updateItemInDatabaseHelper(context, values, item, "moveItemInDatabase");
}
/**
* Move items in the DB to a new <container, screen, cellX, cellY>. We assume that the
* cellX, cellY have already been updated on the ItemInfos.
*/
public static void moveItemsInDatabase(Context context, final ArrayList<ItemInfo> items,
final long container, final int screen) {
ArrayList<ContentValues> contentValues = new ArrayList<ContentValues>();
int count = items.size();
for (int i = 0; i < count; i++) {
ItemInfo item = items.get(i);
item.container = container;
// We store hotseat items in canonical form which is this orientation invariant position
// in the hotseat
if (context instanceof Launcher && screen < 0 &&
container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
item.screenId = Launcher.getLauncher(context).getHotseat().getOrderInHotseat(item.cellX,
item.cellY);
} else {
item.screenId = screen;
}
final ContentValues values = new ContentValues();
values.put(LauncherSettings.Favorites.CONTAINER, item.container);
values.put(LauncherSettings.Favorites.CELLX, item.cellX);
values.put(LauncherSettings.Favorites.CELLY, item.cellY);
values.put(LauncherSettings.Favorites.RANK, item.rank);
values.put(LauncherSettings.Favorites.SCREEN, item.screenId);
contentValues.add(values);
}
updateItemsInDatabaseHelper(context, contentValues, items, "moveItemInDatabase");
}
/**
* Move and/or resize item in the DB to a new <container, screen, cellX, cellY, spanX, spanY>
*/
static void modifyItemInDatabase(Context context, final ItemInfo item, final long container,
final long screenId, final int cellX, final int cellY, final int spanX, final int spanY) {
item.container = container;
item.cellX = cellX;
item.cellY = cellY;
item.spanX = spanX;
item.spanY = spanY;
// We store hotseat items in canonical form which is this orientation invariant position
// in the hotseat
if (context instanceof Launcher && screenId < 0 &&
container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
item.screenId = Launcher.getLauncher(context).getHotseat()
.getOrderInHotseat(cellX, cellY);
} else {
item.screenId = screenId;
}
final ContentValues values = new ContentValues();
values.put(LauncherSettings.Favorites.CONTAINER, item.container);
values.put(LauncherSettings.Favorites.CELLX, item.cellX);
values.put(LauncherSettings.Favorites.CELLY, item.cellY);
values.put(LauncherSettings.Favorites.RANK, item.rank);
values.put(LauncherSettings.Favorites.SPANX, item.spanX);
values.put(LauncherSettings.Favorites.SPANY, item.spanY);
values.put(LauncherSettings.Favorites.SCREEN, item.screenId);
updateItemInDatabaseHelper(context, values, item, "modifyItemInDatabase");
}
/**
* Update an item to the database in a specified container.
*/
public static void updateItemInDatabase(Context context, final ItemInfo item) {
final ContentValues values = new ContentValues();
item.onAddToDatabase(context, values);
updateItemInDatabaseHelper(context, values, item, "updateItemInDatabase");
}
private void assertWorkspaceLoaded() {
if (ProviderConfig.IS_DOGFOOD_BUILD) {
synchronized (mLock) {
if (!mHasLoaderCompletedOnce ||
(mLoaderTask != null && mLoaderTask.mIsLoadingAndBindingWorkspace)) {
throw new RuntimeException("Trying to add shortcut while loader is running");
}
}
}
}
/**
* Returns true if the shortcuts already exists on the workspace. This must be called after
* the workspace has been loaded. We identify a shortcut by its intent.
*/
@Thunk boolean shortcutExists(Context context, Intent intent, UserHandleCompat user) {
assertWorkspaceLoaded();
final String intentWithPkg, intentWithoutPkg;
if (intent.getComponent() != null) {
// If component is not null, an intent with null package will produce
// the same result and should also be a match.
String packageName = intent.getComponent().getPackageName();
if (intent.getPackage() != null) {
intentWithPkg = intent.toUri(0);
intentWithoutPkg = new Intent(intent).setPackage(null).toUri(0);
} else {
intentWithPkg = new Intent(intent).setPackage(packageName).toUri(0);
intentWithoutPkg = intent.toUri(0);
}
} else {
intentWithPkg = intent.toUri(0);
intentWithoutPkg = intent.toUri(0);
}
synchronized (sBgDataModel) {
for (ItemInfo item : sBgDataModel.itemsIdMap) {
if (item instanceof ShortcutInfo) {
ShortcutInfo info = (ShortcutInfo) item;
Intent targetIntent = info.promisedIntent == null
? info.intent : info.promisedIntent;
if (targetIntent != null && info.user.equals(user)) {
Intent copyIntent = new Intent(targetIntent);
copyIntent.setSourceBounds(intent.getSourceBounds());
String s = copyIntent.toUri(0);
if (intentWithPkg.equals(s) || intentWithoutPkg.equals(s)) {
return true;
}
}
}
}
}
return false;
}
/**
* Add an item to the database in a specified container. Sets the container, screen, cellX and
* cellY fields of the item. Also assigns an ID to the item.
*/
public static void addItemToDatabase(Context context, final ItemInfo item, final long container,
final long screenId, final int cellX, final int cellY) {
item.container = container;
item.cellX = cellX;
item.cellY = cellY;
// We store hotseat items in canonical form which is this orientation invariant position
// in the hotseat
if (context instanceof Launcher && screenId < 0 &&
container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
item.screenId = Launcher.getLauncher(context).getHotseat()
.getOrderInHotseat(cellX, cellY);
} else {
item.screenId = screenId;
}
final ContentValues values = new ContentValues();
final ContentResolver cr = context.getContentResolver();
item.onAddToDatabase(context, values);
item.id = LauncherSettings.Settings.call(cr, LauncherSettings.Settings.METHOD_NEW_ITEM_ID)
.getLong(LauncherSettings.Settings.EXTRA_VALUE);
values.put(LauncherSettings.Favorites._ID, item.id);
final StackTraceElement[] stackTrace = new Throwable().getStackTrace();
Runnable r = new Runnable() {
public void run() {
cr.insert(LauncherSettings.Favorites.CONTENT_URI, values);
synchronized (sBgDataModel) {
checkItemInfoLocked(item.id, item, stackTrace);
sBgDataModel.addItem(item, true);
}
}
};
runOnWorkerThread(r);
}
/**
* Removes the specified item from the database
*/
public static void deleteItemFromDatabase(Context context, final ItemInfo item) {
ArrayList<ItemInfo> items = new ArrayList<>();
items.add(item);
deleteItemsFromDatabase(context, items);
}
/**
* Removes all the items from the database matching {@param matcher}.
*/
public static void deleteItemsFromDatabase(Context context, ItemInfoMatcher matcher) {
deleteItemsFromDatabase(context, matcher.filterItemInfos(sBgDataModel.itemsIdMap));
}
/**
* Removes the specified items from the database
*/
static void deleteItemsFromDatabase(Context context, final Iterable<? extends ItemInfo> items) {
final ContentResolver cr = context.getContentResolver();
Runnable r = new Runnable() {
public void run() {
for (ItemInfo item : items) {
final Uri uri = LauncherSettings.Favorites.getContentUri(item.id);
cr.delete(uri, null, null);
sBgDataModel.removeItem(item);
}
}
};
runOnWorkerThread(r);
}
/**
* Update the order of the workspace screens in the database. The array list contains
* a list of screen ids in the order that they should appear.
*/
public void updateWorkspaceScreenOrder(Context context, final ArrayList<Long> screens) {
final ArrayList<Long> screensCopy = new ArrayList<Long>(screens);
final ContentResolver cr = context.getContentResolver();
final Uri uri = LauncherSettings.WorkspaceScreens.CONTENT_URI;
// Remove any negative screen ids -- these aren't persisted
Iterator<Long> iter = screensCopy.iterator();
while (iter.hasNext()) {
long id = iter.next();
if (id < 0) {
iter.remove();
}
}
Runnable r = new Runnable() {
@Override
public void run() {
ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>();
// Clear the table
ops.add(ContentProviderOperation.newDelete(uri).build());
int count = screensCopy.size();
for (int i = 0; i < count; i++) {
ContentValues v = new ContentValues();
long screenId = screensCopy.get(i);
v.put(LauncherSettings.WorkspaceScreens._ID, screenId);
v.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i);
ops.add(ContentProviderOperation.newInsert(uri).withValues(v).build());
}
try {
cr.applyBatch(LauncherProvider.AUTHORITY, ops);
} catch (Exception ex) {
throw new RuntimeException(ex);
}
synchronized (sBgDataModel) {
sBgDataModel.workspaceScreens.clear();
sBgDataModel.workspaceScreens.addAll(screensCopy);
}
}
};
runOnWorkerThread(r);
}
/**
* Remove the specified folder and all its contents from the database.
*/
public static void deleteFolderAndContentsFromDatabase(Context context, final FolderInfo info) {
final ContentResolver cr = context.getContentResolver();
Runnable r = new Runnable() {
public void run() {
cr.delete(LauncherSettings.Favorites.CONTENT_URI,
LauncherSettings.Favorites.CONTAINER + "=" + info.id, null);
sBgDataModel.removeItem(info.contents);
info.contents.clear();
cr.delete(LauncherSettings.Favorites.getContentUri(info.id), null, null);
sBgDataModel.removeItem(info);
}
};
runOnWorkerThread(r);
}
/**
* Set this as the current Launcher activity object for the loader.
*/
public void initialize(Callbacks callbacks) {
synchronized (mLock) {
Preconditions.assertUIThread();
// Remove any queued UI runnables
mHandler.cancelAll();
mCallbacks = new WeakReference<>(callbacks);
}
}
@Override
public void onPackageChanged(String packageName, UserHandleCompat user) {
int op = PackageUpdatedTask.OP_UPDATE;
enqueueItemUpdatedTask(new PackageUpdatedTask(op, new String[] { packageName },
user));
}
@Override
public void onPackageRemoved(String packageName, UserHandleCompat user) {
onPackagesRemoved(user, packageName);
}
public void onPackagesRemoved(UserHandleCompat user, String... packages) {
int op = PackageUpdatedTask.OP_REMOVE;
enqueueItemUpdatedTask(new PackageUpdatedTask(op, packages, user));
}
@Override
public void onPackageAdded(String packageName, UserHandleCompat user) {
int op = PackageUpdatedTask.OP_ADD;
enqueueItemUpdatedTask(new PackageUpdatedTask(op, new String[] { packageName },
user));
}
@Override
public void onPackagesAvailable(String[] packageNames, UserHandleCompat user,
boolean replacing) {
enqueueItemUpdatedTask(
new PackageUpdatedTask(PackageUpdatedTask.OP_UPDATE, packageNames, user));
}
@Override
public void onPackagesUnavailable(String[] packageNames, UserHandleCompat user,
boolean replacing) {
if (!replacing) {
enqueueItemUpdatedTask(new PackageUpdatedTask(
PackageUpdatedTask.OP_UNAVAILABLE, packageNames,
user));
}
}
@Override
public void onPackagesSuspended(String[] packageNames, UserHandleCompat user) {
enqueueItemUpdatedTask(new PackageUpdatedTask(
PackageUpdatedTask.OP_SUSPEND, packageNames,
user));
}
@Override
public void onPackagesUnsuspended(String[] packageNames, UserHandleCompat user) {
enqueueItemUpdatedTask(new PackageUpdatedTask(
PackageUpdatedTask.OP_UNSUSPEND, packageNames,
user));
}
@Override
public void onShortcutsChanged(String packageName, List<ShortcutInfoCompat> shortcuts,
UserHandleCompat user) {
enqueueItemUpdatedTask(new ShortcutsChangedTask(packageName, shortcuts, user, true));
}
public void updatePinnedShortcuts(String packageName, List<ShortcutInfoCompat> shortcuts,
UserHandleCompat user) {
enqueueItemUpdatedTask(new ShortcutsChangedTask(packageName, shortcuts, user, false));
}
/**
* Call from the handler for ACTION_PACKAGE_ADDED, ACTION_PACKAGE_REMOVED and
* ACTION_PACKAGE_CHANGED.
*/
@Override
public void onReceive(Context context, Intent intent) {
if (DEBUG_RECEIVER) Log.d(TAG, "onReceive intent=" + intent);
final String action = intent.getAction();
if (Intent.ACTION_LOCALE_CHANGED.equals(action)) {
// If we have changed locale we need to clear out the labels in all apps/workspace.
forceReload();
} else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)
|| Intent.ACTION_MANAGED_PROFILE_REMOVED.equals(action)) {
UserManagerCompat.getInstance(context).enableAndResetCache();
forceReload();
} else if (Intent.ACTION_MANAGED_PROFILE_AVAILABLE.equals(action) ||
Intent.ACTION_MANAGED_PROFILE_UNAVAILABLE.equals(action) ||
Intent.ACTION_MANAGED_PROFILE_UNLOCKED.equals(action)) {
UserHandleCompat user = UserHandleCompat.fromIntent(intent);
if (user != null) {
if (Intent.ACTION_MANAGED_PROFILE_AVAILABLE.equals(action) ||
Intent.ACTION_MANAGED_PROFILE_UNAVAILABLE.equals(action)) {
enqueueItemUpdatedTask(new PackageUpdatedTask(
PackageUpdatedTask.OP_USER_AVAILABILITY_CHANGE,
new String[0], user));
}
// ACTION_MANAGED_PROFILE_UNAVAILABLE sends the profile back to locked mode, so
// we need to run the state change task again.
if (Intent.ACTION_MANAGED_PROFILE_UNAVAILABLE.equals(action) ||
Intent.ACTION_MANAGED_PROFILE_UNLOCKED.equals(action)) {
enqueueItemUpdatedTask(new UserLockStateChangedTask(user));
}
}
} else if (Intent.ACTION_WALLPAPER_CHANGED.equals(action)) {
ExtractionUtils.startColorExtractionServiceIfNecessary(context);
}
}
void forceReload() {
resetLoadedState(true, true);
// Do this here because if the launcher activity is running it will be restarted.
// If it's not running startLoaderFromBackground will merely tell it that it needs
// to reload.
startLoaderFromBackground();
}
public void resetLoadedState(boolean resetAllAppsLoaded, boolean resetWorkspaceLoaded) {
synchronized (mLock) {
// Stop any existing loaders first, so they don't set mAllAppsLoaded or
// mWorkspaceLoaded to true later
stopLoaderLocked();
if (resetAllAppsLoaded) mAllAppsLoaded = false;
if (resetWorkspaceLoaded) mWorkspaceLoaded = false;
// Always reset deep shortcuts loaded.
// TODO: why?
mDeepShortcutsLoaded = false;
}
}
/**
* When the launcher is in the background, it's possible for it to miss paired
* configuration changes. So whenever we trigger the loader from the background
* tell the launcher that it needs to re-run the loader when it comes back instead
* of doing it now.
*/
public void startLoaderFromBackground() {
Callbacks callbacks = getCallback();
if (callbacks != null) {
// Only actually run the loader if they're not paused.
if (!callbacks.setLoadOnResume()) {
startLoader(callbacks.getCurrentWorkspaceScreen());
}
}
}
/**
* If there is already a loader task running, tell it to stop.
*/
private void stopLoaderLocked() {
LoaderTask oldTask = mLoaderTask;
if (oldTask != null) {
oldTask.stopLocked();
}
}
public boolean isCurrentCallbacks(Callbacks callbacks) {
return (mCallbacks != null && mCallbacks.get() == callbacks);
}
/**
* Starts the loader. Tries to bind {@params synchronousBindPage} synchronously if possible.
* @return true if the page could be bound synchronously.
*/
public boolean startLoader(int synchronousBindPage) {
// Enable queue before starting loader. It will get disabled in Launcher#finishBindingItems
InstallShortcutReceiver.enableInstallQueue();
synchronized (mLock) {
// Don't bother to start the thread if we know it's not going to do anything
if (mCallbacks != null && mCallbacks.get() != null) {
final Callbacks oldCallbacks = mCallbacks.get();
// Clear any pending bind-runnables from the synchronized load process.
runOnMainThread(new Runnable() {
public void run() {
oldCallbacks.clearPendingBinds();
}
});
// If there is already one running, tell it to stop.
stopLoaderLocked();
mLoaderTask = new LoaderTask(mApp.getContext(), synchronousBindPage);
// TODO: mDeepShortcutsLoaded does not need to be true for synchronous bind.
if (synchronousBindPage != PagedView.INVALID_RESTORE_PAGE && mAllAppsLoaded
&& mWorkspaceLoaded && mDeepShortcutsLoaded && !mIsLoaderTaskRunning) {
mLoaderTask.runBindSynchronousPage(synchronousBindPage);
return true;
} else {
sWorkerThread.setPriority(Thread.NORM_PRIORITY);
sWorker.post(mLoaderTask);
}
}
}
return false;
}
public void stopLoader() {
synchronized (mLock) {
if (mLoaderTask != null) {
mLoaderTask.stopLocked();
}
}
}
/**
* Loads the workspace screen ids in an ordered list.
*/
public static ArrayList<Long> loadWorkspaceScreensDb(Context context) {
final ContentResolver contentResolver = context.getContentResolver();
final Uri screensUri = LauncherSettings.WorkspaceScreens.CONTENT_URI;
// Get screens ordered by rank.
return LauncherDbUtils.getScreenIdsFromCursor(contentResolver.query(
screensUri, null, null, null, LauncherSettings.WorkspaceScreens.SCREEN_RANK));
}
/**
* Runnable for the thread that loads the contents of the launcher:
* - workspace icons
* - widgets
* - all apps icons
* - deep shortcuts within apps
*/
private class LoaderTask implements Runnable {
private Context mContext;
private int mPageToBindFirst;
@Thunk boolean mIsLoadingAndBindingWorkspace;
private boolean mStopped;
@Thunk boolean mLoadAndBindStepFinished;
LoaderTask(Context context, int pageToBindFirst) {
mContext = context;
mPageToBindFirst = pageToBindFirst;
}
private void loadAndBindWorkspace() {
mIsLoadingAndBindingWorkspace = true;
// Load the workspace
if (DEBUG_LOADERS) {
Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded);
}
if (!mWorkspaceLoaded) {
loadWorkspace();
synchronized (LoaderTask.this) {
if (mStopped) {
return;
}
mWorkspaceLoaded = true;
}
}
// Bind the workspace
bindWorkspace(mPageToBindFirst);
}
private 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.
synchronized (LoaderTask.this) {
final long workspaceWaitTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0;
mHandler.postIdle(new Runnable() {
public void run() {
synchronized (LoaderTask.this) {
mLoadAndBindStepFinished = true;
if (DEBUG_LOADERS) {
Log.d(TAG, "done with previous binding step");
}
LoaderTask.this.notify();
}
}
});
while (!mStopped && !mLoadAndBindStepFinished) {
try {
// Just in case mFlushingWorkerThread changes but we aren't woken up,
// wait no longer than 1sec at a time
this.wait(1000);
} catch (InterruptedException ex) {
// Ignore
}
}
if (DEBUG_LOADERS) {
Log.d(TAG, "waited "
+ (SystemClock.uptimeMillis()-workspaceWaitTime)
+ "ms for previous step to finish binding");
}
}
}
void runBindSynchronousPage(int synchronousBindPage) {
if (synchronousBindPage == PagedView.INVALID_RESTORE_PAGE) {
// Ensure that we have a valid page index to load synchronously
throw new RuntimeException("Should not call runBindSynchronousPage() without " +
"valid page index");
}
if (!mAllAppsLoaded || !mWorkspaceLoaded) {
// Ensure that we don't try and bind a specified page when the pages have not been
// loaded already (we should load everything asynchronously in that case)
throw new RuntimeException("Expecting AllApps and Workspace to be loaded");
}
synchronized (mLock) {
if (mIsLoaderTaskRunning) {
// Ensure that we are never running the background loading at this point since
// we also touch the background collections
throw new RuntimeException("Error! Background loading is already running");
}
}
// XXX: Throw an exception if we are already loading (since we touch the worker thread
// data structures, we can't allow any other thread to touch that data, but because
// this call is synchronous, we can get away with not locking).
// The LauncherModel is static in the LauncherAppState and mHandler may have queued
// operations from the previous activity. We need to ensure that all queued operations
// are executed before any synchronous binding work is done.
mHandler.flush();
// Divide the set of loaded items into those that we are binding synchronously, and
// everything else that is to be bound normally (asynchronously).
bindWorkspace(synchronousBindPage);
// XXX: For now, continue posting the binding of AllApps as there are other issues that
// arise from that.
onlyBindAllApps();
bindDeepShortcuts();
}
public void run() {
synchronized (mLock) {
if (mStopped) {
return;
}
mIsLoaderTaskRunning = true;
}
// Optimize for end-user experience: if the Launcher is up and // running with the
// All Apps interface in the foreground, load All Apps first. Otherwise, load the
// workspace first (default).
keep_running: {
if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace");
loadAndBindWorkspace();
if (mStopped) {
break keep_running;
}
waitForIdle();
// second step
if (DEBUG_LOADERS) Log.d(TAG, "step 2: loading all apps");
loadAndBindAllApps();
waitForIdle();
// third step
if (DEBUG_LOADERS) Log.d(TAG, "step 3: loading deep shortcuts");
loadAndBindDeepShortcuts();
}
// Clear out this reference, otherwise we end up holding it until all of the
// callback runnables are done.
mContext = null;
synchronized (mLock) {
// If we are still the last one to be scheduled, remove ourselves.
if (mLoaderTask == this) {
mLoaderTask = null;
}
mIsLoaderTaskRunning = false;
mHasLoaderCompletedOnce = true;
}
}
public void stopLocked() {
synchronized (LoaderTask.this) {
mStopped = true;
this.notify();
}
}
/**
* Gets the callbacks object. If we've been stopped, or if the launcher object
* has somehow been garbage collected, return null instead. Pass in the Callbacks
* object that was around when the deferred message was scheduled, and if there's
* a new Callbacks object around then also return null. This will save us from
* calling onto it with data that will be ignored.
*/
Callbacks tryGetCallbacks(Callbacks oldCallbacks) {
synchronized (mLock) {
if (mStopped) {
return null;
}
if (mCallbacks == null) {
return null;
}
final Callbacks callbacks = mCallbacks.get();
if (callbacks != oldCallbacks) {
return null;
}
if (callbacks == null) {
Log.w(TAG, "no mCallbacks");
return null;
}
return callbacks;
}
}
// check & update map of what's occupied; used to discard overlapping/invalid items
private boolean checkItemPlacement(LongArrayMap<GridOccupancy> occupied, ItemInfo item,
ArrayList<Long> workspaceScreens) {
LauncherAppState app = LauncherAppState.getInstance();
InvariantDeviceProfile profile = app.getInvariantDeviceProfile();
long containerIndex = item.screenId;
if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
// Return early if we detect that an item is under the hotseat button
if (!FeatureFlags.NO_ALL_APPS_ICON &&
profile.isAllAppsButtonRank((int) item.screenId)) {
Log.e(TAG, "Error loading shortcut into hotseat " + item
+ " into position (" + item.screenId + ":" + item.cellX + ","
+ item.cellY + ") occupied by all apps");
return false;
}
final GridOccupancy hotseatOccupancy =
occupied.get((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT);
if (item.screenId >= profile.numHotseatIcons) {
Log.e(TAG, "Error loading shortcut " + item
+ " into hotseat position " + item.screenId
+ ", position out of bounds: (0 to " + (profile.numHotseatIcons - 1)
+ ")");
return false;
}
if (hotseatOccupancy != null) {
if (hotseatOccupancy.cells[(int) item.screenId][0]) {
Log.e(TAG, "Error loading shortcut into hotseat " + item
+ " into position (" + item.screenId + ":" + item.cellX + ","
+ item.cellY + ") already occupied");
return false;
} else {
hotseatOccupancy.cells[(int) item.screenId][0] = true;
return true;
}
} else {
final GridOccupancy occupancy = new GridOccupancy(profile.numHotseatIcons, 1);
occupancy.cells[(int) item.screenId][0] = true;
occupied.put((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT, occupancy);
return true;
}
} else if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) {
if (!workspaceScreens.contains((Long) item.screenId)) {
// The item has an invalid screen id.
return false;
}
} else {
// Skip further checking if it is not the hotseat or workspace container
return true;
}
final int countX = profile.numColumns;
final int countY = profile.numRows;
if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP &&
item.cellX < 0 || item.cellY < 0 ||
item.cellX + item.spanX > countX || item.cellY + item.spanY > countY) {
Log.e(TAG, "Error loading shortcut " + item
+ " into cell (" + containerIndex + "-" + item.screenId + ":"
+ item.cellX + "," + item.cellY
+ ") out of screen bounds ( " + countX + "x" + countY + ")");
return false;
}
if (!occupied.containsKey(item.screenId)) {
GridOccupancy screen = new GridOccupancy(countX + 1, countY + 1);
if (item.screenId == Workspace.FIRST_SCREEN_ID) {
// Mark the first row as occupied (if the feature is enabled)
// in order to account for the QSB.
screen.markCells(0, 0, countX + 1, 1, FeatureFlags.QSB_ON_FIRST_SCREEN);
}
occupied.put(item.screenId, screen);
}
final GridOccupancy occupancy = occupied.get(item.screenId);
// Check if any workspace icons overlap with each other
if (occupancy.isRegionVacant(item.cellX, item.cellY, item.spanX, item.spanY)) {
occupancy.markCells(item, true);
return true;
} else {
Log.e(TAG, "Error loading shortcut " + item
+ " into cell (" + containerIndex + "-" + item.screenId + ":"
+ item.cellX + "," + item.cellX + "," + item.spanX + "," + item.spanY
+ ") already occupied");
return false;
}
}
private void loadWorkspace() {
if (LauncherAppState.PROFILE_STARTUP) {
Trace.beginSection("Loading Workspace");
}
final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0;
final Context context = mContext;
final ContentResolver contentResolver = context.getContentResolver();
final PackageManager manager = context.getPackageManager();
final boolean isSafeMode = manager.isSafeMode();
final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context);
final boolean isSdCardReady = Utilities.isBootCompleted();
final MultiHashMap<UserHandleCompat, String> pendingPackages = new MultiHashMap<>();
LauncherAppState app = LauncherAppState.getInstance();
InvariantDeviceProfile profile = app.getInvariantDeviceProfile();
int countX = profile.numColumns;
int countY = profile.numRows;
boolean clearDb = false;
try {
ImportDataTask.performImportIfPossible(context);
} catch (Exception e) {
// Migration failed. Clear workspace.
clearDb = true;
}
if (!clearDb && GridSizeMigrationTask.ENABLED &&
!GridSizeMigrationTask.migrateGridIfNeeded(mContext)) {
// Migration failed. Clear workspace.
clearDb = true;
}
if (clearDb) {
Log.d(TAG, "loadWorkspace: resetting launcher database");
LauncherSettings.Settings.call(contentResolver,
LauncherSettings.Settings.METHOD_DELETE_DB);
}
Log.d(TAG, "loadWorkspace: loading default favorites");
LauncherSettings.Settings.call(contentResolver,
LauncherSettings.Settings.METHOD_LOAD_DEFAULT_FAVORITES);
synchronized (sBgDataModel) {
sBgDataModel.clear();
final HashMap<String, Integer> installingPkgs = PackageInstallerCompat
.getInstance(mContext).updateAndGetActiveSessionCache();
sBgDataModel.workspaceScreens.addAll(loadWorkspaceScreensDb(mContext));
final ArrayList<Long> itemsToRemove = new ArrayList<>();
final ArrayList<Long> restoredRows = new ArrayList<>();
Map<ShortcutKey, ShortcutInfoCompat> shortcutKeyToPinnedShortcuts = new HashMap<>();
final Uri contentUri = LauncherSettings.Favorites.CONTENT_URI;
if (DEBUG_LOADERS) Log.d(TAG, "loading model from " + contentUri);
final Cursor c = contentResolver.query(contentUri, null, null, null, null);
// +1 for the hotseat (it can be larger than the workspace)
// Load workspace in reverse order to ensure that latest items are loaded first (and
// before any earlier duplicates)
final LongArrayMap<GridOccupancy> occupied = new LongArrayMap<>();
HashMap<ComponentKey, AppWidgetProviderInfo> widgetProvidersMap = null;
try {
final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID);
final int intentIndex = c.getColumnIndexOrThrow
(LauncherSettings.Favorites.INTENT);
final int containerIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.CONTAINER);
final int itemTypeIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.ITEM_TYPE);
final int appWidgetIdIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.APPWIDGET_ID);
final int appWidgetProviderIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.APPWIDGET_PROVIDER);
final int screenIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.SCREEN);
final int cellXIndex = c.getColumnIndexOrThrow
(LauncherSettings.Favorites.CELLX);
final int cellYIndex = c.getColumnIndexOrThrow
(LauncherSettings.Favorites.CELLY);
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 restoredIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.RESTORED);
final int profileIdIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.PROFILE_ID);
final int optionsIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.OPTIONS);
final CursorIconInfo cursorIconInfo = new CursorIconInfo(mContext, c);
final LongSparseArray<UserHandleCompat> allUsers = new LongSparseArray<>();
final LongSparseArray<Boolean> quietMode = new LongSparseArray<>();
final LongSparseArray<Boolean> unlockedUsers = new LongSparseArray<>();
for (UserHandleCompat user : mUserManager.getUserProfiles()) {
long serialNo = mUserManager.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) {
List<ShortcutInfoCompat> pinnedShortcuts =
mDeepShortcutManager.queryForPinnedShortcuts(null, user);
if (mDeepShortcutManager.wasLastCallSuccess()) {
for (ShortcutInfoCompat 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);
}
ShortcutInfo info;
String intentDescription;
LauncherAppWidgetInfo appWidgetInfo;
int container;
long id;
long serialNumber;
Intent intent;
UserHandleCompat user;
String targetPackage;
while (!mStopped && c.moveToNext()) {
try {
int itemType = c.getInt(itemTypeIndex);
boolean restored = 0 != c.getInt(restoredIndex);
boolean allowMissingTarget = false;
container = c.getInt(containerIndex);
switch (itemType) {
case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
case LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT:
id = c.getLong(idIndex);
intentDescription = c.getString(intentIndex);
serialNumber = c.getInt(profileIdIndex);
user = allUsers.get(serialNumber);
int promiseType = c.getInt(restoredIndex);
int disabledState = 0;
boolean itemReplaced = false;
targetPackage = null;
if (user == null) {
// User has been deleted remove the item.
itemsToRemove.add(id);
continue;
}
try {
intent = Intent.parseUri(intentDescription, 0);
ComponentName cn = intent.getComponent();
if (cn != null && cn.getPackageName() != null) {
boolean validPkg = launcherApps.isPackageEnabledForProfile(
cn.getPackageName(), user);
boolean validComponent = validPkg &&
launcherApps.isActivityEnabledForProfile(cn, user);
if (validPkg) {
targetPackage = cn.getPackageName();
}
if (validComponent) {
if (restored) {
// no special handling necessary for this item
restoredRows.add(id);
restored = false;
}
if (quietMode.get(serialNumber)) {
disabledState = ShortcutInfo.FLAG_DISABLED_QUIET_USER;
}
} else if (validPkg) {
intent = null;
if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) {
// We allow auto install apps to have their intent
// updated after an install.
intent = manager.getLaunchIntentForPackage(
cn.getPackageName());
if (intent != null) {
ContentValues values = new ContentValues();
values.put(LauncherSettings.Favorites.INTENT,
intent.toUri(0));
updateItem(id, values);
}
}
if (intent == null) {
// The app is installed but the component is no
// longer available.
FileLog.d(TAG, "Invalid component removed: " + cn);
itemsToRemove.add(id);
continue;
} else {
// no special handling necessary for this item
restoredRows.add(id);
restored = false;
}
} else if (restored) {
// Package is not yet available but might be
// installed later.
FileLog.d(TAG, "package not yet restored: " + cn);
if ((promiseType & ShortcutInfo.FLAG_RESTORE_STARTED) != 0) {
// Restore has started once.
} else if (installingPkgs.containsKey(cn.getPackageName())) {
// App restore has started. Update the flag
promiseType |= ShortcutInfo.FLAG_RESTORE_STARTED;
ContentValues values = new ContentValues();
values.put(LauncherSettings.Favorites.RESTORED,
promiseType);
updateItem(id, values);
} else if ((promiseType & ShortcutInfo.FLAG_RESTORED_APP_TYPE) != 0) {
// This is a common app. Try to replace this.
int appType = CommonAppTypeParser.decodeItemTypeFromFlag(promiseType);
CommonAppTypeParser parser = new CommonAppTypeParser(id, appType, context);
if (parser.findDefaultApp()) {
// Default app found. Replace it.
intent = parser.parsedIntent;
cn = intent.getComponent();
ContentValues values = parser.parsedValues;
values.put(LauncherSettings.Favorites.RESTORED, 0);
updateItem(id, values);
restored = false;
itemReplaced = true;
} else {
FileLog.d(TAG, "Unrestored package removed: " + cn);
itemsToRemove.add(id);
continue;
}
} else {
FileLog.d(TAG, "Unrestored package removed: " + cn);
itemsToRemove.add(id);
continue;
}
} else if (PackageManagerHelper.isAppOnSdcard(
manager, cn.getPackageName())) {
// Package is present but not available.
allowMissingTarget = true;
disabledState = ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE;
} else if (!isSdCardReady) {
// SdCard is not ready yet. Package might get available,
// once it is ready.
Log.d(TAG, "Invalid package: " + cn + " (check again later)");
pendingPackages.addToList(user, cn.getPackageName());
allowMissingTarget = true;
// Add the icon on the workspace anyway.
} else {
// Do not wait for external media load anymore.
// Log the invalid package, and remove it
FileLog.d(TAG, "Invalid package removed: " + cn);
itemsToRemove.add(id);
continue;
}
} else if (cn == null) {
// For shortcuts with no component, keep them as they are
restoredRows.add(id);
restored = false;
}
} catch (URISyntaxException e) {
FileLog.d(TAG, "Invalid uri: " + intentDescription);
itemsToRemove.add(id);
continue;
}
boolean useLowResIcon = container >= 0 &&
c.getInt(rankIndex) >= FolderIcon.NUM_ITEMS_IN_PREVIEW;
if (itemReplaced) {
if (user.equals(UserHandleCompat.myUserHandle())) {
info = getAppShortcutInfo(intent, user, null,
cursorIconInfo, false, useLowResIcon);
} else {
// Don't replace items for other profiles.
itemsToRemove.add(id);
continue;
}
} else if (restored) {
if (user.equals(UserHandleCompat.myUserHandle())) {
info = getRestoredItemInfo(c, intent,
promiseType, itemType, cursorIconInfo);
intent = getRestoredItemIntent(c, context, intent);
} else {
// Don't restore items for other profiles.
itemsToRemove.add(id);
continue;
}
} else if (itemType ==
LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
info = getAppShortcutInfo(intent, user, c,
cursorIconInfo, allowMissingTarget, useLowResIcon);
} else if (itemType ==
LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
ShortcutKey key = ShortcutKey.fromIntent(intent, user);
if (unlockedUsers.get(serialNumber)) {
ShortcutInfoCompat pinnedShortcut =
shortcutKeyToPinnedShortcuts.get(key);
if (pinnedShortcut == null) {
// The shortcut is no longer valid.
itemsToRemove.add(id);
continue;
}
info = new ShortcutInfo(pinnedShortcut, context);
intent = info.intent;
} else {
// Create a shortcut info in disabled mode for now.
info = new ShortcutInfo();
info.user = user;
info.itemType = itemType;
loadInfoFromCursor(info, c, cursorIconInfo);
info.isDisabled |= ShortcutInfo.FLAG_DISABLED_LOCKED_USER;
}
} else { // item type == ITEM_TYPE_SHORTCUT
info = getShortcutInfo(c, cursorIconInfo);
// Shortcuts are only available on the primary profile
if (PackageManagerHelper.isAppSuspended(manager, targetPackage)) {
disabledState |= ShortcutInfo.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) {
info.id = id;
info.intent = intent;
info.container = container;
info.screenId = c.getInt(screenIndex);
info.cellX = c.getInt(cellXIndex);
info.cellY = c.getInt(cellYIndex);
info.rank = c.getInt(rankIndex);
info.spanX = 1;
info.spanY = 1;
info.intent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber);
if (info.promisedIntent != null) {
info.promisedIntent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber);
}
info.isDisabled |= disabledState;
if (isSafeMode && !Utilities.isSystemApp(context, intent)) {
info.isDisabled |= ShortcutInfo.FLAG_DISABLED_SAFEMODE;
}
// check & update map of what's occupied
if (!checkItemPlacement(occupied, info, sBgDataModel.workspaceScreens)) {
itemsToRemove.add(id);
break;
}
if (restored) {
ComponentName cn = info.getTargetComponent();
if (cn != null) {
Integer progress = installingPkgs.get(cn.getPackageName());
if (progress != null) {
info.setInstallProgress(progress);
} else {
info.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE;
}
}
}
sBgDataModel.addItem(info, false);
} else {
throw new RuntimeException("Unexpected null ShortcutInfo");
}
break;
case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
id = c.getLong(idIndex);
FolderInfo folderInfo = sBgDataModel.findOrMakeFolder(id);
// Do not trim the folder label, as is was set by the user.
folderInfo.title = c.getString(cursorIconInfo.titleIndex);
folderInfo.id = id;
folderInfo.container = container;
folderInfo.screenId = c.getInt(screenIndex);
folderInfo.cellX = c.getInt(cellXIndex);
folderInfo.cellY = c.getInt(cellYIndex);
folderInfo.spanX = 1;
folderInfo.spanY = 1;
folderInfo.options = c.getInt(optionsIndex);
// check & update map of what's occupied
if (!checkItemPlacement(occupied, folderInfo, sBgDataModel.workspaceScreens)) {
itemsToRemove.add(id);
break;
}
if (restored) {
// no special handling required for restored folders
restoredRows.add(id);
}
sBgDataModel.addItem(folderInfo, false);
break;
case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
case LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET:
// Read all Launcher-specific widget details
boolean customWidget = itemType ==
LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET;
int appWidgetId = c.getInt(appWidgetIdIndex);
serialNumber = c.getLong(profileIdIndex);
String savedProvider = c.getString(appWidgetProviderIndex);
id = c.getLong(idIndex);
user = allUsers.get(serialNumber);
if (user == null) {
itemsToRemove.add(id);
continue;
}
final ComponentName component =
ComponentName.unflattenFromString(savedProvider);
final int restoreStatus = c.getInt(restoredIndex);
final boolean isIdValid = (restoreStatus &
LauncherAppWidgetInfo.FLAG_ID_NOT_VALID) == 0;
final boolean wasProviderReady = (restoreStatus &
LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) == 0;
if (widgetProvidersMap == null) {
widgetProvidersMap = AppWidgetManagerCompat
.getInstance(mContext).getAllProvidersMap();
}
final AppWidgetProviderInfo provider = widgetProvidersMap.get(
new ComponentKey(
ComponentName.unflattenFromString(savedProvider),
user));
final boolean isProviderReady = isValidProvider(provider);
if (!isSafeMode && !customWidget &&
wasProviderReady && !isProviderReady) {
FileLog.d(TAG, "Deleting widget that isn't installed anymore: "
+ provider);
itemsToRemove.add(id);
} 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 = restoreStatus &
~LauncherAppWidgetInfo.FLAG_RESTORE_STARTED;
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;
} else {
status &= ~LauncherAppWidgetInfo
.FLAG_PROVIDER_NOT_READY;
}
}
appWidgetInfo.restoreStatus = status;
} else {
Log.v(TAG, "Widget restore pending id=" + id
+ " appWidgetId=" + appWidgetId
+ " status =" + restoreStatus);
appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId,
component);
appWidgetInfo.restoreStatus = restoreStatus;
Integer installProgress = installingPkgs.get(component.getPackageName());
if ((restoreStatus & LauncherAppWidgetInfo.FLAG_RESTORE_STARTED) != 0) {
// Restore has started once.
} else if (installProgress != null) {
// App restore has started. Update the flag
appWidgetInfo.restoreStatus |=
LauncherAppWidgetInfo.FLAG_RESTORE_STARTED;
} else if (!isSafeMode) {
FileLog.d(TAG, "Unrestored widget removed: " + component);
itemsToRemove.add(id);
continue;
}
appWidgetInfo.installProgress =
installProgress == null ? 0 : installProgress;
}
if (appWidgetInfo.hasRestoreFlag(
LauncherAppWidgetInfo.FLAG_DIRECT_CONFIG)) {
intentDescription = c.getString(intentIndex);
if (!TextUtils.isEmpty(intentDescription)) {
appWidgetInfo.bindOptions =
Intent.parseUri(intentDescription, 0);
}
}
appWidgetInfo.id = id;
appWidgetInfo.screenId = c.getInt(screenIndex);
appWidgetInfo.cellX = c.getInt(cellXIndex);
appWidgetInfo.cellY = c.getInt(cellYIndex);
appWidgetInfo.spanX = c.getInt(spanXIndex);
appWidgetInfo.spanY = c.getInt(spanYIndex);
appWidgetInfo.user = user;
if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP &&
container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
Log.e(TAG, "Widget found where container != " +
"CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!");
itemsToRemove.add(id);
continue;
}
appWidgetInfo.container = container;
// check & update map of what's occupied
if (!checkItemPlacement(occupied, appWidgetInfo, sBgDataModel.workspaceScreens)) {
itemsToRemove.add(id);
break;
}
if (!customWidget) {
String providerName =
appWidgetInfo.providerName.flattenToString();
if (!providerName.equals(savedProvider) ||
(appWidgetInfo.restoreStatus != restoreStatus)) {
ContentValues values = new ContentValues();
values.put(
LauncherSettings.Favorites.APPWIDGET_PROVIDER,
providerName);
values.put(LauncherSettings.Favorites.RESTORED,
appWidgetInfo.restoreStatus);
updateItem(id, values);
}
}
sBgDataModel.addItem(appWidgetInfo, false);
}
break;
}
} catch (Exception e) {
Log.e(TAG, "Desktop items loading interrupted", e);
}
}
} finally {
Utilities.closeSilently(c);
}
// Break early if we've stopped loading
if (mStopped) {
sBgDataModel.clear();
return;
}
if (itemsToRemove.size() > 0) {
// Remove dead items
contentResolver.delete(LauncherSettings.Favorites.CONTENT_URI,
Utilities.createDbSelectionQuery(
LauncherSettings.Favorites._ID, itemsToRemove), null);
if (DEBUG_LOADERS) {
Log.d(TAG, "Removed = " + Utilities.createDbSelectionQuery(
LauncherSettings.Favorites._ID, itemsToRemove));
}
// Remove any empty folder
ArrayList<Long> deletedFolderIds = (ArrayList<Long>) LauncherSettings.Settings
.call(contentResolver,
LauncherSettings.Settings.METHOD_DELETE_EMPTY_FOLDERS)
.getSerializable(LauncherSettings.Settings.EXTRA_VALUE);
for (long folderId : deletedFolderIds) {
sBgDataModel.workspaceItems.remove(sBgDataModel.folders.get(folderId));
sBgDataModel.folders.remove(folderId);
sBgDataModel.itemsIdMap.remove(folderId);
}
}
// Unpin shortcuts that don't exist on the workspace.
for (ShortcutKey key : shortcutKeyToPinnedShortcuts.keySet()) {
MutableInt numTimesPinned = sBgDataModel.pinnedShortcutCounts.get(key);
if (numTimesPinned == null || numTimesPinned.value == 0) {
// Shortcut is pinned but doesn't exist on the workspace; unpin it.
mDeepShortcutManager.unpinShortcut(key);
}
}
// Sort all the folder items and make sure the first 3 items are high resolution.
for (FolderInfo folder : sBgDataModel.folders) {
Collections.sort(folder.contents, Folder.ITEM_POS_COMPARATOR);
int pos = 0;
for (ShortcutInfo info : folder.contents) {
if (info.usingLowResIcon) {
info.updateIcon(mIconCache, false);
}
pos ++;
if (pos >= FolderIcon.NUM_ITEMS_IN_PREVIEW) {
break;
}
}
}
if (restoredRows.size() > 0) {
// Update restored items that no longer require special handling
ContentValues values = new ContentValues();
values.put(LauncherSettings.Favorites.RESTORED, 0);
contentResolver.update(LauncherSettings.Favorites.CONTENT_URI, values,
Utilities.createDbSelectionQuery(
LauncherSettings.Favorites._ID, restoredRows), null);
}
if (!isSdCardReady && !pendingPackages.isEmpty()) {
context.registerReceiver(
new SdCardAvailableReceiver(
LauncherModel.this, mContext, pendingPackages),
new IntentFilter(Intent.ACTION_BOOT_COMPLETED),
null,
sWorker);
}
// Remove any empty screens
ArrayList<Long> unusedScreens = new ArrayList<Long>(sBgDataModel.workspaceScreens);
for (ItemInfo item: sBgDataModel.itemsIdMap) {
long screenId = item.screenId;
if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP &&
unusedScreens.contains(screenId)) {
unusedScreens.remove(screenId);
}
}
// If there are any empty screens remove them, and update.
if (unusedScreens.size() != 0) {
sBgDataModel.workspaceScreens.removeAll(unusedScreens);
updateWorkspaceScreenOrder(context, sBgDataModel.workspaceScreens);
}
if (DEBUG_LOADERS) {
Log.d(TAG, "loaded workspace in " + (SystemClock.uptimeMillis()-t) + "ms");
Log.d(TAG, "workspace layout: ");
int nScreens = occupied.size();
for (int y = 0; y < countY; y++) {
String line = "";
for (int i = 0; i < nScreens; i++) {
long screenId = occupied.keyAt(i);
if (screenId > 0) {
line += " | ";
}
}
Log.d(TAG, "[ " + line + " ]");
}
}
}
if (LauncherAppState.PROFILE_STARTUP) {
Trace.endSection();
}
}
/**
* Partially updates the item without any notification. Must be called on the worker thread.
*/
private void updateItem(long itemId, ContentValues update) {
mContext.getContentResolver().update(
LauncherSettings.Favorites.CONTENT_URI,
update,
BaseColumns._ID + "= ?",
new String[]{Long.toString(itemId)});
}
/** Filters the set of items who are directly or indirectly (via another container) on the
* specified screen. */
private void filterCurrentWorkspaceItems(long currentScreenId,
ArrayList<ItemInfo> allWorkspaceItems,
ArrayList<ItemInfo> currentScreenItems,
ArrayList<ItemInfo> otherScreenItems) {
// Purge any null ItemInfos
Iterator<ItemInfo> iter = allWorkspaceItems.iterator();
while (iter.hasNext()) {
ItemInfo i = iter.next();
if (i == null) {
iter.remove();
}
}
// Order the set of items by their containers first, this allows use to walk through the
// list sequentially, build up a list of containers that are in the specified screen,
// as well as all items in those containers.
Set<Long> itemsOnScreen = new HashSet<Long>();
Collections.sort(allWorkspaceItems, new Comparator<ItemInfo>() {
@Override
public int compare(ItemInfo lhs, ItemInfo rhs) {
return Utilities.longCompare(lhs.container, rhs.container);
}
});
for (ItemInfo info : allWorkspaceItems) {
if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) {
if (info.screenId == currentScreenId) {
currentScreenItems.add(info);
itemsOnScreen.add(info.id);
} else {
otherScreenItems.add(info);
}
} else if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
currentScreenItems.add(info);
itemsOnScreen.add(info.id);
} else {
if (itemsOnScreen.contains(info.container)) {
currentScreenItems.add(info);
itemsOnScreen.add(info.id);
} else {
otherScreenItems.add(info);
}
}
}
}
/** Filters the set of widgets which are on the specified screen. */
private void filterCurrentAppWidgets(long currentScreenId,
ArrayList<LauncherAppWidgetInfo> appWidgets,
ArrayList<LauncherAppWidgetInfo> currentScreenWidgets,
ArrayList<LauncherAppWidgetInfo> otherScreenWidgets) {
for (LauncherAppWidgetInfo widget : appWidgets) {
if (widget == null) continue;
if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP &&
widget.screenId == currentScreenId) {
currentScreenWidgets.add(widget);
} else {
otherScreenWidgets.add(widget);
}
}
}
/** Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to
* right) */
private void sortWorkspaceItemsSpatially(ArrayList<ItemInfo> workspaceItems) {
final LauncherAppState app = LauncherAppState.getInstance();
final InvariantDeviceProfile profile = app.getInvariantDeviceProfile();
final int screenCols = profile.numColumns;
final int screenCellCount = profile.numColumns * profile.numRows;
Collections.sort(workspaceItems, new Comparator<ItemInfo>() {
@Override
public int compare(ItemInfo lhs, ItemInfo rhs) {
if (lhs.container == rhs.container) {
// Within containers, order by their spatial position in that container
switch ((int) lhs.container) {
case LauncherSettings.Favorites.CONTAINER_DESKTOP: {
long lr = (lhs.screenId * screenCellCount +
lhs.cellY * screenCols + lhs.cellX);
long rr = (rhs.screenId * screenCellCount +
rhs.cellY * screenCols + rhs.cellX);
return Utilities.longCompare(lr, rr);
}
case LauncherSettings.Favorites.CONTAINER_HOTSEAT: {
// We currently use the screen id as the rank
return Utilities.longCompare(lhs.screenId, rhs.screenId);
}
default:
if (ProviderConfig.IS_DOGFOOD_BUILD) {
throw new RuntimeException("Unexpected container type when " +
"sorting workspace items.");
}
return 0;
}
} else {
// Between containers, order by hotseat, desktop
return Utilities.longCompare(lhs.container, rhs.container);
}
}
});
}
private void bindWorkspaceScreens(final Callbacks oldCallbacks,
final ArrayList<Long> orderedScreens) {
final Runnable r = new Runnable() {
@Override
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.bindScreens(orderedScreens);
}
}
};
runOnMainThread(r);
}
private void bindWorkspaceItems(final Callbacks oldCallbacks,
final ArrayList<ItemInfo> workspaceItems,
final ArrayList<LauncherAppWidgetInfo> appWidgets,
final Executor executor) {
// Bind the workspace items
int N = workspaceItems.size();
for (int i = 0; i < N; i += ITEMS_CHUNK) {
final int start = i;
final int chunkSize = (i+ITEMS_CHUNK <= N) ? ITEMS_CHUNK : (N-i);
final Runnable r = new Runnable() {
@Override
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.bindItems(workspaceItems, start, start+chunkSize,
false);
}
}
};
executor.execute(r);
}
// Bind the widgets, one at a time
N = appWidgets.size();
for (int i = 0; i < N; i++) {
final LauncherAppWidgetInfo widget = appWidgets.get(i);
final Runnable r = new Runnable() {
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.bindAppWidget(widget);
}
}
};
executor.execute(r);
}
}
/**
* Binds all loaded data to actual views on the main thread.
*/
private void bindWorkspace(int synchronizeBindPage) {
final long t = SystemClock.uptimeMillis();
Runnable r;
// Don't use these two variables in any of the callback runnables.
// Otherwise we hold a reference to them.
final Callbacks oldCallbacks = mCallbacks.get();
if (oldCallbacks == null) {
// This launcher has exited and nobody bothered to tell us. Just bail.
Log.w(TAG, "LoaderTask running with no launcher");
return;
}
// Save a copy of all the bg-thread collections
ArrayList<ItemInfo> workspaceItems = new ArrayList<>();
ArrayList<LauncherAppWidgetInfo> appWidgets = new ArrayList<>();
ArrayList<Long> orderedScreenIds = new ArrayList<>();
synchronized (sBgDataModel) {
workspaceItems.addAll(sBgDataModel.workspaceItems);
appWidgets.addAll(sBgDataModel.appWidgets);
orderedScreenIds.addAll(sBgDataModel.workspaceScreens);
}
final int currentScreen;
{
int currScreen = synchronizeBindPage != PagedView.INVALID_RESTORE_PAGE
? synchronizeBindPage : oldCallbacks.getCurrentWorkspaceScreen();
if (currScreen >= orderedScreenIds.size()) {
// There may be no workspace screens (just hotseat items and an empty page).
currScreen = PagedView.INVALID_RESTORE_PAGE;
}
currentScreen = currScreen;
}
final boolean validFirstPage = currentScreen >= 0;
final long currentScreenId =
validFirstPage ? orderedScreenIds.get(currentScreen) : INVALID_SCREEN_ID;
// Separate the items that are on the current screen, and all the other remaining items
ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<>();
ArrayList<ItemInfo> otherWorkspaceItems = new ArrayList<>();
ArrayList<LauncherAppWidgetInfo> currentAppWidgets = new ArrayList<>();
ArrayList<LauncherAppWidgetInfo> otherAppWidgets = new ArrayList<>();
filterCurrentWorkspaceItems(currentScreenId, workspaceItems, currentWorkspaceItems,
otherWorkspaceItems);
filterCurrentAppWidgets(currentScreenId, appWidgets, currentAppWidgets,
otherAppWidgets);
sortWorkspaceItemsSpatially(currentWorkspaceItems);
sortWorkspaceItemsSpatially(otherWorkspaceItems);
// Tell the workspace that we're about to start binding items
r = new Runnable() {
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.clearPendingBinds();
callbacks.startBinding();
}
}
};
runOnMainThread(r);
bindWorkspaceScreens(oldCallbacks, orderedScreenIds);
Executor mainExecutor = new DeferredMainThreadExecutor();
// Load items on the current page.
bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets, mainExecutor);
// In case of validFirstPage, only bind the first screen, and defer binding the
// remaining screens after first onDraw (and an optional the fade animation whichever
// happens later).
// This ensures that the first screen is immediately visible (eg. during rotation)
// In case of !validFirstPage, bind all pages one after other.
final Executor deferredExecutor =
validFirstPage ? new ViewOnDrawExecutor(mHandler) : mainExecutor;
mainExecutor.execute(new Runnable() {
@Override
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.finishFirstPageBind(
validFirstPage ? (ViewOnDrawExecutor) deferredExecutor : null);
}
}
});
bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, deferredExecutor);
// Tell the workspace that we're done binding items
r = new Runnable() {
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.finishBindingItems();
}
mIsLoadingAndBindingWorkspace = false;
// Run all the bind complete runnables after workspace is bound.
if (!mBindCompleteRunnables.isEmpty()) {
synchronized (mBindCompleteRunnables) {
for (final Runnable r : mBindCompleteRunnables) {
runOnWorkerThread(r);
}
mBindCompleteRunnables.clear();
}
}
// If we're profiling, ensure this is the last thing in the queue.
if (DEBUG_LOADERS) {
Log.d(TAG, "bound workspace in "
+ (SystemClock.uptimeMillis()-t) + "ms");
}
}
};
deferredExecutor.execute(r);
if (validFirstPage) {
r = new Runnable() {
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
// We are loading synchronously, which means, some of the pages will be
// bound after first draw. Inform the callbacks that page binding is
// not complete, and schedule the remaining pages.
if (currentScreen != PagedView.INVALID_RESTORE_PAGE) {
callbacks.onPageBoundSynchronously(currentScreen);
}
callbacks.executeOnNextDraw((ViewOnDrawExecutor) deferredExecutor);
}
}
};
runOnMainThread(r);
}
}
private void loadAndBindAllApps() {
if (DEBUG_LOADERS) {
Log.d(TAG, "loadAndBindAllApps mAllAppsLoaded=" + mAllAppsLoaded);
}
if (!mAllAppsLoaded) {
loadAllApps();
synchronized (LoaderTask.this) {
if (mStopped) {
return;
}
}
updateIconCache();
synchronized (LoaderTask.this) {
if (mStopped) {
return;
}
mAllAppsLoaded = true;
}
} else {
onlyBindAllApps();
}
}
private void updateIconCache() {
// Ignore packages which have a promise icon.
HashSet<String> packagesToIgnore = new HashSet<>();
synchronized (sBgDataModel) {
for (ItemInfo info : sBgDataModel.itemsIdMap) {
if (info instanceof ShortcutInfo) {
ShortcutInfo si = (ShortcutInfo) info;
if (si.isPromise() && si.getTargetComponent() != null) {
packagesToIgnore.add(si.getTargetComponent().getPackageName());
}
} else if (info instanceof LauncherAppWidgetInfo) {
LauncherAppWidgetInfo lawi = (LauncherAppWidgetInfo) info;
if (lawi.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY)) {
packagesToIgnore.add(lawi.providerName.getPackageName());
}
}
}
}
mIconCache.updateDbIcons(packagesToIgnore);
}
private void onlyBindAllApps() {
final Callbacks oldCallbacks = mCallbacks.get();
if (oldCallbacks == null) {
// This launcher has exited and nobody bothered to tell us. Just bail.
Log.w(TAG, "LoaderTask running with no launcher (onlyBindAllApps)");
return;
}
// shallow copy
@SuppressWarnings("unchecked")
final ArrayList<AppInfo> list
= (ArrayList<AppInfo>) mBgAllAppsList.data.clone();
Runnable r = new Runnable() {
public void run() {
final long t = SystemClock.uptimeMillis();
final Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.bindAllApplications(list);
}
if (DEBUG_LOADERS) {
Log.d(TAG, "bound all " + list.size() + " apps from cache in "
+ (SystemClock.uptimeMillis() - t) + "ms");
}
}
};
runOnMainThread(r);
}
private void loadAllApps() {
final long loadTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0;
final Callbacks oldCallbacks = mCallbacks.get();
if (oldCallbacks == null) {
// This launcher has exited and nobody bothered to tell us. Just bail.
Log.w(TAG, "LoaderTask running with no launcher (loadAllApps)");
return;
}
final List<UserHandleCompat> profiles = mUserManager.getUserProfiles();
// Clear the list of apps
mBgAllAppsList.clear();
for (UserHandleCompat user : profiles) {
// Query for the set of apps
final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0;
final List<LauncherActivityInfoCompat> apps = mLauncherApps.getActivityList(null, user);
if (DEBUG_LOADERS) {
Log.d(TAG, "getActivityList took "
+ (SystemClock.uptimeMillis()-qiaTime) + "ms for user " + user);
Log.d(TAG, "getActivityList got " + apps.size() + " apps for user " + user);
}
// Fail if we don't have any apps
// TODO: Fix this. Only fail for the current user.
if (apps == null || apps.isEmpty()) {
return;
}
boolean quietMode = mUserManager.isQuietModeEnabled(user);
// Create the ApplicationInfos
for (int i = 0; i < apps.size(); i++) {
LauncherActivityInfoCompat app = apps.get(i);
// This builds the icon bitmaps.
mBgAllAppsList.add(new AppInfo(mContext, app, user, mIconCache, quietMode));
}
final ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(mContext, user);
if (heuristic != null) {
final Runnable r = new Runnable() {
@Override
public void run() {
heuristic.processUserApps(apps);
}
};
runOnMainThread(new Runnable() {
@Override
public void run() {
// Check isLoadingWorkspace on the UI thread, as it is updated on
// the UI thread.
if (mIsLoadingAndBindingWorkspace) {
synchronized (mBindCompleteRunnables) {
mBindCompleteRunnables.add(r);
}
} else {
runOnWorkerThread(r);
}
}
});
}
}
// Huh? Shouldn't this be inside the Runnable below?
final ArrayList<AppInfo> added = mBgAllAppsList.added;
mBgAllAppsList.added = new ArrayList<AppInfo>();
// Post callback on main thread
mHandler.post(new Runnable() {
public void run() {
final long bindTime = SystemClock.uptimeMillis();
final Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.bindAllApplications(added);
if (DEBUG_LOADERS) {
Log.d(TAG, "bound " + added.size() + " apps in "
+ (SystemClock.uptimeMillis() - bindTime) + "ms");
}
} else {
Log.i(TAG, "not binding apps: no Launcher activity");
}
}
});
// Cleanup any data stored for a deleted user.
ManagedProfileHeuristic.processAllUsers(profiles, mContext);
if (DEBUG_LOADERS) {
Log.d(TAG, "Icons processed in "
+ (SystemClock.uptimeMillis() - loadTime) + "ms");
}
}
private void loadAndBindDeepShortcuts() {
if (DEBUG_LOADERS) {
Log.d(TAG, "loadAndBindDeepShortcuts mDeepShortcutsLoaded=" + mDeepShortcutsLoaded);
}
if (!mDeepShortcutsLoaded) {
sBgDataModel.deepShortcutMap.clear();
mHasShortcutHostPermission = mDeepShortcutManager.hasHostPermission();
if (mHasShortcutHostPermission) {
for (UserHandleCompat user : mUserManager.getUserProfiles()) {
if (mUserManager.isUserUnlocked(user)) {
List<ShortcutInfoCompat> shortcuts = mDeepShortcutManager
.queryForAllShortcuts(user);
sBgDataModel.updateDeepShortcutMap(null, user, shortcuts);
}
}
}
synchronized (LoaderTask.this) {
if (mStopped) {
return;
}
mDeepShortcutsLoaded = true;
}
}
bindDeepShortcuts();
}
public void dumpState() {
synchronized (sBgDataModel) {
Log.d(TAG, "mLoaderTask.mContext=" + mContext);
Log.d(TAG, "mLoaderTask.mStopped=" + mStopped);
Log.d(TAG, "mLoaderTask.mLoadAndBindStepFinished=" + mLoadAndBindStepFinished);
Log.d(TAG, "mItems size=" + sBgDataModel.workspaceItems.size());
}
}
}
public void bindDeepShortcuts() {
final MultiHashMap<ComponentKey, String> shortcutMapCopy =
sBgDataModel.deepShortcutMap.clone();
Runnable r = new Runnable() {
@Override
public void run() {
Callbacks callbacks = getCallback();
if (callbacks != null) {
callbacks.bindDeepShortcutMap(shortcutMapCopy);
}
}
};
runOnMainThread(r);
}
/**
* Refreshes the cached shortcuts if the shortcut permission has changed.
* Current implementation simply reloads the workspace, but it can be optimized to
* use partial updates similar to {@link UserManagerCompat}
*/
public void refreshShortcutsIfRequired() {
if (Utilities.ATLEAST_NOUGAT_MR1) {
sWorker.removeCallbacks(mShortcutPermissionCheckRunnable);
sWorker.post(mShortcutPermissionCheckRunnable);
}
}
/**
* Called when the icons for packages have been updated in the icon cache.
*/
public void onPackageIconsUpdated(HashSet<String> updatedPackages, UserHandleCompat user) {
final Callbacks callbacks = getCallback();
final ArrayList<AppInfo> updatedApps = new ArrayList<>();
final ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<>();
// If any package icon has changed (app was updated while launcher was dead),
// update the corresponding shortcuts.
synchronized (sBgDataModel) {
for (ItemInfo info : sBgDataModel.itemsIdMap) {
if (info instanceof ShortcutInfo && user.equals(info.user)
&& info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
ShortcutInfo si = (ShortcutInfo) info;
ComponentName cn = si.getTargetComponent();
if (cn != null && updatedPackages.contains(cn.getPackageName())) {
si.updateIcon(mIconCache);
updatedShortcuts.add(si);
}
}
}
mBgAllAppsList.updateIconsAndLabels(updatedPackages, user, updatedApps);
}
bindUpdatedShortcuts(updatedShortcuts, user);
if (!updatedApps.isEmpty()) {
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (cb != null && callbacks == cb) {
cb.bindAppsUpdated(updatedApps);
}
}
});
}
}
private void bindUpdatedShortcuts(
ArrayList<ShortcutInfo> updatedShortcuts, UserHandleCompat user) {
bindUpdatedShortcuts(updatedShortcuts, new ArrayList<ShortcutInfo>(), user);
}
private void bindUpdatedShortcuts(
final ArrayList<ShortcutInfo> updatedShortcuts,
final ArrayList<ShortcutInfo> removedShortcuts,
final UserHandleCompat user) {
if (!updatedShortcuts.isEmpty() || !removedShortcuts.isEmpty()) {
final Callbacks callbacks = getCallback();
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (cb != null && callbacks == cb) {
cb.bindShortcutsChanged(updatedShortcuts, removedShortcuts, user);
}
}
});
}
}
void enqueueItemUpdatedTask(Runnable task) {
sWorker.post(task);
}
private class PackageUpdatedTask implements Runnable {
final int mOp;
final String[] mPackages;
final UserHandleCompat mUser;
public static final int OP_NONE = 0;
public static final int OP_ADD = 1;
public static final int OP_UPDATE = 2;
public static final int OP_REMOVE = 3; // uninstlled
public static final int OP_UNAVAILABLE = 4; // external media unmounted
public static final int OP_SUSPEND = 5; // package suspended
public static final int OP_UNSUSPEND = 6; // package unsuspended
public static final int OP_USER_AVAILABILITY_CHANGE = 7; // user available/unavailable
public PackageUpdatedTask(int op, String[] packages, UserHandleCompat user) {
mOp = op;
mPackages = packages;
mUser = user;
}
public void run() {
if (!mHasLoaderCompletedOnce) {
// Loader has not yet run.
return;
}
final Context context = mApp.getContext();
final String[] packages = mPackages;
final int N = packages.length;
FlagOp flagOp = FlagOp.NO_OP;
final HashSet<String> packageSet = new HashSet<>(Arrays.asList(packages));
switch (mOp) {
case OP_ADD: {
for (int i=0; i<N; i++) {
if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]);
mIconCache.updateIconsForPkg(packages[i], mUser);
mBgAllAppsList.addPackage(context, packages[i], mUser);
}
ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(context, mUser);
if (heuristic != null) {
heuristic.processPackageAdd(mPackages);
}
break;
}
case OP_UPDATE:
for (int i=0; i<N; i++) {
if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]);
mIconCache.updateIconsForPkg(packages[i], mUser);
mBgAllAppsList.updatePackage(context, packages[i], mUser);
mApp.getWidgetCache().removePackage(packages[i], mUser);
}
// Since package was just updated, the target must be available now.
flagOp = FlagOp.removeFlag(ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE);
break;
case OP_REMOVE: {
ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(context, mUser);
if (heuristic != null) {
heuristic.processPackageRemoved(mPackages);
}
for (int i=0; i<N; i++) {
if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]);
mIconCache.removeIconsForPkg(packages[i], mUser);
}
// Fall through
}
case OP_UNAVAILABLE:
for (int i=0; i<N; i++) {
if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]);
mBgAllAppsList.removePackage(packages[i], mUser);
mApp.getWidgetCache().removePackage(packages[i], mUser);
}
flagOp = FlagOp.addFlag(ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE);
break;
case OP_SUSPEND:
case OP_UNSUSPEND:
flagOp = mOp == OP_SUSPEND ?
FlagOp.addFlag(ShortcutInfo.FLAG_DISABLED_SUSPENDED) :
FlagOp.removeFlag(ShortcutInfo.FLAG_DISABLED_SUSPENDED);
if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.(un)suspend " + N);
mBgAllAppsList.updateDisabledFlags(
ItemInfoMatcher.ofPackages(packageSet, mUser), flagOp);
break;
case OP_USER_AVAILABILITY_CHANGE:
flagOp = UserManagerCompat.getInstance(context).isQuietModeEnabled(mUser)
? FlagOp.addFlag(ShortcutInfo.FLAG_DISABLED_QUIET_USER)
: FlagOp.removeFlag(ShortcutInfo.FLAG_DISABLED_QUIET_USER);
// We want to update all packages for this user.
mBgAllAppsList.updateDisabledFlags(ItemInfoMatcher.ofUser(mUser), flagOp);
break;
}
ArrayList<AppInfo> added = null;
ArrayList<AppInfo> modified = null;
final ArrayList<AppInfo> removedApps = new ArrayList<AppInfo>();
if (mBgAllAppsList.added.size() > 0) {
added = new ArrayList<>(mBgAllAppsList.added);
mBgAllAppsList.added.clear();
}
if (mBgAllAppsList.modified.size() > 0) {
modified = new ArrayList<>(mBgAllAppsList.modified);
mBgAllAppsList.modified.clear();
}
if (mBgAllAppsList.removed.size() > 0) {
removedApps.addAll(mBgAllAppsList.removed);
mBgAllAppsList.removed.clear();
}
final HashMap<ComponentName, AppInfo> addedOrUpdatedApps = new HashMap<>();
if (added != null) {
addAppsToAllApps(context, added);
for (AppInfo ai : added) {
addedOrUpdatedApps.put(ai.componentName, ai);
}
}
if (modified != null) {
final Callbacks callbacks = getCallback();
final ArrayList<AppInfo> modifiedFinal = modified;
for (AppInfo ai : modified) {
addedOrUpdatedApps.put(ai.componentName, ai);
}
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.bindAppsUpdated(modifiedFinal);
}
}
});
}
// Update shortcut infos
if (mOp == OP_ADD || flagOp != FlagOp.NO_OP) {
final ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<>();
final ArrayList<ShortcutInfo> removedShortcuts = new ArrayList<>();
final ArrayList<LauncherAppWidgetInfo> widgets = new ArrayList<>();
synchronized (sBgDataModel) {
for (ItemInfo info : sBgDataModel.itemsIdMap) {
if (info instanceof ShortcutInfo && mUser.equals(info.user)) {
ShortcutInfo si = (ShortcutInfo) info;
boolean infoUpdated = false;
boolean shortcutUpdated = false;
// Update shortcuts which use iconResource.
if ((si.iconResource != null)
&& packageSet.contains(si.iconResource.packageName)) {
Bitmap icon = LauncherIcons.createIconBitmap(
si.iconResource.packageName,
si.iconResource.resourceName, context);
if (icon != null) {
si.setIcon(icon);
si.usingFallbackIcon = false;
infoUpdated = true;
}
}
ComponentName cn = si.getTargetComponent();
if (cn != null && packageSet.contains(cn.getPackageName())) {
AppInfo appInfo = addedOrUpdatedApps.get(cn);
if (si.isPromise()) {
if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) {
// Auto install icon
PackageManager pm = context.getPackageManager();
ResolveInfo matched = pm.resolveActivity(
new Intent(Intent.ACTION_MAIN)
.setComponent(cn).addCategory(Intent.CATEGORY_LAUNCHER),
PackageManager.MATCH_DEFAULT_ONLY);
if (matched == null) {
// Try to find the best match activity.
Intent intent = pm.getLaunchIntentForPackage(
cn.getPackageName());
if (intent != null) {
cn = intent.getComponent();
appInfo = addedOrUpdatedApps.get(cn);
}
if ((intent == null) || (appInfo == null)) {
removedShortcuts.add(si);
continue;
}
si.promisedIntent = intent;
}
}
si.intent = si.promisedIntent;
si.promisedIntent = null;
si.status = ShortcutInfo.DEFAULT;
infoUpdated = true;
si.updateIcon(mIconCache);
}
if (appInfo != null && Intent.ACTION_MAIN.equals(si.intent.getAction())
&& si.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
si.updateIcon(mIconCache);
si.title = Utilities.trim(appInfo.title);
si.contentDescription = appInfo.contentDescription;
infoUpdated = true;
}
int oldDisabledFlags = si.isDisabled;
si.isDisabled = flagOp.apply(si.isDisabled);
if (si.isDisabled != oldDisabledFlags) {
shortcutUpdated = true;
}
}
if (infoUpdated || shortcutUpdated) {
updatedShortcuts.add(si);
}
if (infoUpdated) {
updateItemInDatabase(context, si);
}
} else if (info instanceof LauncherAppWidgetInfo && mOp == OP_ADD) {
LauncherAppWidgetInfo widgetInfo = (LauncherAppWidgetInfo) info;
if (mUser.equals(widgetInfo.user)
&& widgetInfo.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY)
&& packageSet.contains(widgetInfo.providerName.getPackageName())) {
widgetInfo.restoreStatus &=
~LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY &
~LauncherAppWidgetInfo.FLAG_RESTORE_STARTED;
// adding this flag ensures that launcher shows 'click to setup'
// if the widget has a config activity. In case there is no config
// activity, it will be marked as 'restored' during bind.
widgetInfo.restoreStatus |= LauncherAppWidgetInfo.FLAG_UI_NOT_READY;
widgets.add(widgetInfo);
updateItemInDatabase(context, widgetInfo);
}
}
}
}
bindUpdatedShortcuts(updatedShortcuts, removedShortcuts, mUser);
if (!removedShortcuts.isEmpty()) {
deleteItemsFromDatabase(context, removedShortcuts);
}
if (!widgets.isEmpty()) {
final Callbacks callbacks = getCallback();
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.bindWidgetsRestored(widgets);
}
}
});
}
}
final HashSet<String> removedPackages = new HashSet<>();
final HashSet<ComponentName> removedComponents = new HashSet<>();
if (mOp == OP_REMOVE) {
// Mark all packages in the broadcast to be removed
Collections.addAll(removedPackages, packages);
// No need to update the removedComponents as
// removedPackages is a super-set of removedComponents
} else if (mOp == OP_UPDATE) {
// Mark disabled packages in the broadcast to be removed
for (int i=0; i<N; i++) {
if (isPackageDisabled(context, packages[i], mUser)) {
removedPackages.add(packages[i]);
}
}
// Update removedComponents as some components can get removed during package update
for (AppInfo info : removedApps) {
removedComponents.add(info.componentName);
}
}
if (!removedPackages.isEmpty() || !removedComponents.isEmpty()) {
deleteItemsFromDatabase(
context, ItemInfoMatcher.ofPackages(removedPackages, mUser));
deleteItemsFromDatabase(
context, ItemInfoMatcher.ofComponents(removedComponents, mUser));
// Remove any queued items from the install queue
InstallShortcutReceiver.removeFromInstallQueue(context, removedPackages, mUser);
// Call the components-removed callback
final Callbacks callbacks = getCallback();
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.bindWorkspaceComponentsRemoved(
removedPackages, removedComponents, mUser);
}
}
});
}
if (!removedApps.isEmpty()) {
// Remove corresponding apps from All-Apps
final Callbacks callbacks = getCallback();
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.bindAppInfosRemoved(removedApps);
}
}
});
}
// Notify launcher of widget update. From marshmallow onwards we use AppWidgetHost to
// get widget update signals.
if (!Utilities.ATLEAST_MARSHMALLOW &&
(mOp == OP_ADD || mOp == OP_REMOVE || mOp == OP_UPDATE)) {
final Callbacks callbacks = getCallback();
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.notifyWidgetProvidersChanged();
}
}
});
}
}
}
/**
* Repopulates the shortcut info, possibly updating any icon already on the workspace.
*/
public void updateShortcutInfo(final ShortcutInfoCompat fullDetail, final ShortcutInfo info) {
enqueueItemUpdatedTask(new Runnable() {
@Override
public void run() {
info.updateFromDeepShortcutInfo(
fullDetail, LauncherAppState.getInstance().getContext());
ArrayList<ShortcutInfo> update = new ArrayList<ShortcutInfo>();
update.add(info);
bindUpdatedShortcuts(update, fullDetail.getUserHandle());
}
});
}
private class ShortcutsChangedTask implements Runnable {
private final String mPackageName;
private final List<ShortcutInfoCompat> mShortcuts;
private final UserHandleCompat mUser;
private final boolean mUpdateIdMap;
public ShortcutsChangedTask(String packageName, List<ShortcutInfoCompat> shortcuts,
UserHandleCompat user, boolean updateIdMap) {
mPackageName = packageName;
mShortcuts = shortcuts;
mUser = user;
mUpdateIdMap = updateIdMap;
}
@Override
public void run() {
mDeepShortcutManager.onShortcutsChanged(mShortcuts);
// Find ShortcutInfo's that have changed on the workspace.
final ArrayList<ShortcutInfo> removedShortcutInfos = new ArrayList<>();
MultiHashMap<String, ShortcutInfo> idsToWorkspaceShortcutInfos = new MultiHashMap<>();
for (ItemInfo itemInfo : sBgDataModel.itemsIdMap) {
if (itemInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
ShortcutInfo si = (ShortcutInfo) itemInfo;
if (si.getPromisedIntent().getPackage().equals(mPackageName)
&& si.user.equals(mUser)) {
idsToWorkspaceShortcutInfos.addToList(si.getDeepShortcutId(), si);
}
}
}
final Context context = LauncherAppState.getInstance().getContext();
final ArrayList<ShortcutInfo> updatedShortcutInfos = new ArrayList<>();
if (!idsToWorkspaceShortcutInfos.isEmpty()) {
// Update the workspace to reflect the changes to updated shortcuts residing on it.
List<ShortcutInfoCompat> shortcuts = mDeepShortcutManager.queryForFullDetails(
mPackageName, new ArrayList<>(idsToWorkspaceShortcutInfos.keySet()), mUser);
for (ShortcutInfoCompat fullDetails : shortcuts) {
List<ShortcutInfo> shortcutInfos = idsToWorkspaceShortcutInfos
.remove(fullDetails.getId());
if (!fullDetails.isPinned()) {
// The shortcut was previously pinned but is no longer, so remove it from
// the workspace and our pinned shortcut counts.
// Note that we put this check here, after querying for full details,
// because there's a possible race condition between pinning and
// receiving this callback.
removedShortcutInfos.addAll(shortcutInfos);
continue;
}
for (ShortcutInfo shortcutInfo : shortcutInfos) {
shortcutInfo.updateFromDeepShortcutInfo(fullDetails, context);
updatedShortcutInfos.add(shortcutInfo);
}
}
}
// If there are still entries in idsToWorkspaceShortcutInfos, that means that
// the corresponding shortcuts weren't passed in onShortcutsChanged(). This
// means they were cleared, so we remove and unpin them now.
for (String id : idsToWorkspaceShortcutInfos.keySet()) {
removedShortcutInfos.addAll(idsToWorkspaceShortcutInfos.get(id));
}
bindUpdatedShortcuts(updatedShortcutInfos, removedShortcutInfos, mUser);
if (!removedShortcutInfos.isEmpty()) {
deleteItemsFromDatabase(context, removedShortcutInfos);
}
if (mUpdateIdMap) {
// Update the deep shortcut map if the list of ids has changed for an activity.
sBgDataModel.updateDeepShortcutMap(mPackageName, mUser, mShortcuts);
bindDeepShortcuts();
}
}
}
/**
* Task to handle changing of lock state of the user
*/
private class UserLockStateChangedTask implements Runnable {
private final UserHandleCompat mUser;
public UserLockStateChangedTask(UserHandleCompat user) {
mUser = user;
}
@Override
public void run() {
boolean isUserUnlocked = mUserManager.isUserUnlocked(mUser);
Context context = mApp.getContext();
HashMap<ShortcutKey, ShortcutInfoCompat> pinnedShortcuts = new HashMap<>();
if (isUserUnlocked) {
List<ShortcutInfoCompat> shortcuts =
mDeepShortcutManager.queryForPinnedShortcuts(null, mUser);
if (mDeepShortcutManager.wasLastCallSuccess()) {
for (ShortcutInfoCompat shortcut : shortcuts) {
pinnedShortcuts.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 update,
// consider it as still locked.
isUserUnlocked = false;
}
}
// Update the workspace to reflect the changes to updated shortcuts residing on it.
ArrayList<ShortcutInfo> updatedShortcutInfos = new ArrayList<>();
ArrayList<ShortcutInfo> deletedShortcutInfos = new ArrayList<>();
for (ItemInfo itemInfo : sBgDataModel.itemsIdMap) {
if (itemInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT
&& mUser.equals(itemInfo.user)) {
ShortcutInfo si = (ShortcutInfo) itemInfo;
if (isUserUnlocked) {
ShortcutInfoCompat shortcut =
pinnedShortcuts.get(ShortcutKey.fromShortcutInfo(si));
// We couldn't verify the shortcut during loader. If its no longer available
// (probably due to clear data), delete the workspace item as well
if (shortcut == null) {
deletedShortcutInfos.add(si);
continue;
}
si.isDisabled &= ~ShortcutInfo.FLAG_DISABLED_LOCKED_USER;
si.updateFromDeepShortcutInfo(shortcut, context);
} else {
si.isDisabled |= ShortcutInfo.FLAG_DISABLED_LOCKED_USER;
}
updatedShortcutInfos.add(si);
}
}
bindUpdatedShortcuts(updatedShortcutInfos, deletedShortcutInfos, mUser);
if (!deletedShortcutInfos.isEmpty()) {
deleteItemsFromDatabase(context, deletedShortcutInfos);
}
// Remove shortcut id map for that user
Iterator<ComponentKey> keysIter = sBgDataModel.deepShortcutMap.keySet().iterator();
while (keysIter.hasNext()) {
if (keysIter.next().user.equals(mUser)) {
keysIter.remove();
}
}
if (isUserUnlocked) {
sBgDataModel.updateDeepShortcutMap(
null, mUser, mDeepShortcutManager.queryForAllShortcuts(mUser));
}
bindDeepShortcuts();
}
}
private void bindWidgetsModel(final Callbacks callbacks) {
final MultiHashMap<PackageItemInfo, WidgetItem> widgets
= mBgWidgetsModel.getWidgetsMap().clone();
mHandler.post(new Runnable() {
@Override
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.bindAllWidgets(widgets);
}
}
});
}
public void refreshAndBindWidgetsAndShortcuts(
final Callbacks callbacks, final boolean bindFirst) {
runOnWorkerThread(new Runnable() {
@Override
public void run() {
if (bindFirst && !mBgWidgetsModel.isEmpty()) {
bindWidgetsModel(callbacks);
}
ArrayList<WidgetItem> allWidgets = mBgWidgetsModel.update(mApp.getContext());
bindWidgetsModel(callbacks);
// update the Widget entries inside DB on the worker thread.
LauncherAppState.getInstance().getWidgetCache().removeObsoletePreviews(allWidgets);
}
});
}
@Thunk static boolean isPackageDisabled(Context context, String packageName,
UserHandleCompat user) {
final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context);
return !launcherApps.isPackageEnabledForProfile(packageName, user);
}
/**
* Make an ShortcutInfo object for a restored application or shortcut item that points
* to a package that is not yet installed on the system.
*/
public ShortcutInfo getRestoredItemInfo(Cursor c, Intent intent,
int promiseType, int itemType, CursorIconInfo iconInfo) {
final ShortcutInfo info = new ShortcutInfo();
info.user = UserHandleCompat.myUserHandle();
Bitmap icon = iconInfo.loadIcon(c, info);
// the fallback icon
if (icon == null) {
mIconCache.getTitleAndIcon(info, intent, info.user, false /* useLowResIcon */);
} else {
info.setIcon(icon);
}
if ((promiseType & ShortcutInfo.FLAG_RESTORED_ICON) != 0) {
String title = iconInfo.getTitle(c);
if (!TextUtils.isEmpty(title)) {
info.title = Utilities.trim(title);
}
} else if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) {
if (TextUtils.isEmpty(info.title)) {
info.title = iconInfo.getTitle(c);
}
} else {
throw new InvalidParameterException("Invalid restoreType " + promiseType);
}
info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user);
info.itemType = itemType;
info.promisedIntent = intent;
info.status = promiseType;
return info;
}
/**
* Make an Intent object for a restored application or shortcut item that points
* to the market page for the item.
*/
@Thunk Intent getRestoredItemIntent(Cursor c, Context context, Intent intent) {
ComponentName componentName = intent.getComponent();
return getMarketIntent(componentName.getPackageName());
}
static Intent getMarketIntent(String packageName) {
return new Intent(Intent.ACTION_VIEW)
.setData(new Uri.Builder()
.scheme("market")
.authority("details")
.appendQueryParameter("id", packageName)
.build());
}
/**
* Make an ShortcutInfo object for a shortcut that is an application.
*
* If c is not null, then it will be used to fill in missing data like the title and icon.
*/
public ShortcutInfo getAppShortcutInfo(Intent intent,
UserHandleCompat user, Cursor c, CursorIconInfo iconInfo,
boolean allowMissingTarget, boolean useLowResIcon) {
if (user == null) {
Log.d(TAG, "Null user found in getShortcutInfo");
return null;
}
ComponentName componentName = intent.getComponent();
if (componentName == null) {
Log.d(TAG, "Missing component found in getShortcutInfo");
return null;
}
Intent newIntent = new Intent(intent.getAction(), null);
newIntent.addCategory(Intent.CATEGORY_LAUNCHER);
newIntent.setComponent(componentName);
LauncherActivityInfoCompat lai = mLauncherApps.resolveActivity(newIntent, user);
if ((lai == null) && !allowMissingTarget) {
Log.d(TAG, "Missing activity found in getShortcutInfo: " + componentName);
return null;
}
final ShortcutInfo info = new ShortcutInfo();
mIconCache.getTitleAndIcon(info, componentName, lai, user, false, useLowResIcon);
if (mIconCache.isDefaultIcon(info.getIcon(mIconCache), user) && c != null) {
Bitmap icon = iconInfo.loadIcon(c);
info.setIcon(icon == null ? mIconCache.getDefaultIcon(user) : icon);
}
if (lai != null && PackageManagerHelper.isAppSuspended(lai.getApplicationInfo())) {
info.isDisabled = ShortcutInfo.FLAG_DISABLED_SUSPENDED;
}
// from the db
if (TextUtils.isEmpty(info.title) && c != null) {
info.title = iconInfo.getTitle(c);
}
// fall back to the class name of the activity
if (info.title == null) {
info.title = componentName.getClassName();
}
info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION;
info.user = user;
info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user);
return info;
}
/**
* Make an ShortcutInfo object for a shortcut that isn't an application.
*/
@Thunk ShortcutInfo getShortcutInfo(Cursor c, CursorIconInfo iconInfo) {
final ShortcutInfo info = new ShortcutInfo();
// Non-app shortcuts are only supported for current user.
info.user = UserHandleCompat.myUserHandle();
info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT;
// TODO: If there's an explicit component and we can't install that, delete it.
loadInfoFromCursor(info, c, iconInfo);
return info;
}
/**
* Make an ShortcutInfo object for a shortcut that isn't an application.
*/
public void loadInfoFromCursor(ShortcutInfo info, Cursor c, CursorIconInfo iconInfo) {
info.title = iconInfo.getTitle(c);
Bitmap icon = iconInfo.loadIcon(c, info);
// the fallback icon
if (icon == null) {
icon = mIconCache.getDefaultIcon(info.user);
info.usingFallbackIcon = true;
}
info.setIcon(icon);
}
ShortcutInfo infoFromShortcutIntent(Context context, Intent data) {
Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT);
String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON);
if (intent == null) {
// If the intent is null, we can't construct a valid ShortcutInfo, so we return null
Log.e(TAG, "Can't construct ShorcutInfo with null intent");
return null;
}
Bitmap icon = null;
ShortcutIconResource iconResource = null;
if (bitmap instanceof Bitmap) {
icon = LauncherIcons.createIconBitmap((Bitmap) bitmap, context);
} else {
Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE);
if (extra instanceof ShortcutIconResource) {
iconResource = (ShortcutIconResource) extra;
icon = LauncherIcons.createIconBitmap(iconResource.packageName,
iconResource.resourceName, context);
}
}
final ShortcutInfo info = new ShortcutInfo();
// Only support intents for current user for now. Intents sent from other
// users wouldn't get here without intent forwarding anyway.
info.user = UserHandleCompat.myUserHandle();
if (icon == null) {
icon = mIconCache.getDefaultIcon(info.user);
info.usingFallbackIcon = true;
}
info.setIcon(icon);
info.title = Utilities.trim(name);
info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user);
info.intent = intent;
info.iconResource = iconResource;
return info;
}
static boolean isValidProvider(AppWidgetProviderInfo provider) {
return (provider != null) && (provider.provider != null)
&& (provider.provider.getPackageName() != null);
}
public void dumpState() {
Log.d(TAG, "mCallbacks=" + mCallbacks);
AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mBgAllAppsList.data);
AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mBgAllAppsList.added);
AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mBgAllAppsList.removed);
AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mBgAllAppsList.modified);
if (mLoaderTask != null) {
mLoaderTask.dumpState();
} else {
Log.d(TAG, "mLoaderTask=null");
}
}
public Callbacks getCallback() {
return mCallbacks != null ? mCallbacks.get() : null;
}
/**
* @return {@link FolderInfo} if its already loaded.
*/
public FolderInfo findFolderById(Long folderId) {
synchronized (sBgDataModel) {
return sBgDataModel.folders.get(folderId);
}
}
@Thunk class DeferredMainThreadExecutor implements Executor {
@Override
public void execute(Runnable command) {
runOnMainThread(command);
}
}
/**
* @return the looper for the worker thread which can be used to start background tasks.
*/
public static Looper getWorkerLooper() {
return sWorkerThread.getLooper();
}
}