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Diffstat (limited to 'src/com/android/launcher/LauncherModel.java')
| -rw-r--r-- | src/com/android/launcher/LauncherModel.java | 955 |
1 files changed, 0 insertions, 955 deletions
diff --git a/src/com/android/launcher/LauncherModel.java b/src/com/android/launcher/LauncherModel.java deleted file mode 100644 index 783eef2..0000000 --- a/src/com/android/launcher/LauncherModel.java +++ /dev/null @@ -1,955 +0,0 @@ -/* - * 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.launcher; - -import android.content.ComponentName; -import android.content.ContentResolver; -import android.content.ContentValues; -import android.content.Intent; -import android.content.Context; -import android.content.pm.ActivityInfo; -import android.content.pm.PackageManager; -import android.content.pm.ResolveInfo; -import android.content.res.Resources; -import android.database.Cursor; -import android.graphics.Bitmap; -import android.graphics.BitmapFactory; -import android.net.Uri; -import android.util.Log; -import android.os.Process; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.HashMap; -import java.util.List; -import java.util.Comparator; -import java.lang.ref.WeakReference; -import java.text.Collator; -import java.net.URISyntaxException; - -/** - * 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 { - private static final int UI_NOTIFICATION_RATE = 4; - private static final int DEFAULT_APPLICATIONS_NUMBER = 42; - private static final long APPLICATION_NOT_RESPONDING_TIMEOUT = 5000; - - private final Collator sCollator = Collator.getInstance(); - - private boolean mApplicationsLoaded; - private boolean mDesktopItemsLoaded; - - private ArrayList<ItemInfo> mDesktopItems; - private HashMap<Long, FolderInfo> mFolders; - - private ArrayList<ApplicationInfo> mApplications; - private ApplicationsAdapter mApplicationsAdapter; - private ApplicationsLoader mApplicationsLoader; - private DesktopItemsLoader mDesktopItemsLoader; - private Thread mLoader; - private Thread mDesktopLoader; - - void abortLoaders() { - if (mApplicationsLoader != null && mApplicationsLoader.isRunning()) { - mApplicationsLoader.stop(); - mApplicationsLoaded = false; - } - if (mDesktopItemsLoader != null && mDesktopItemsLoader.isRunning()) { - mDesktopItemsLoader.stop(); - mDesktopItemsLoaded = false; - } - } - - /** - * Loads the list of installed applications in mApplications. - */ - void loadApplications(boolean isLaunching, Launcher launcher, boolean localeChanged) { - if (isLaunching && mApplicationsLoaded && !localeChanged) { - mApplicationsAdapter = new ApplicationsAdapter(launcher, mApplications); - return; - } - - if (mApplicationsAdapter == null || isLaunching || localeChanged) { - mApplicationsAdapter = new ApplicationsAdapter(launcher, - mApplications = new ArrayList<ApplicationInfo>(DEFAULT_APPLICATIONS_NUMBER)); - } - - if (mApplicationsLoader != null && mApplicationsLoader.isRunning()) { - mApplicationsLoader.stop(); - // Wait for the currently running thread to finish, this can take a little - // time but it should be well below the timeout limit - try { - mLoader.join(APPLICATION_NOT_RESPONDING_TIMEOUT); - } catch (InterruptedException e) { - // Empty - } - } - - mApplicationsLoaded = false; - - if (!isLaunching) { - startApplicationsLoader(launcher); - } - } - - private void startApplicationsLoader(Launcher launcher) { - mApplicationsLoader = new ApplicationsLoader(launcher); - mLoader = new Thread(mApplicationsLoader, "Applications Loader"); - mLoader.start(); - } - - private class ApplicationsLoader implements Runnable { - private final WeakReference<Launcher> mLauncher; - - private volatile boolean mStopped; - private volatile boolean mRunning; - - ApplicationsLoader(Launcher launcher) { - mLauncher = new WeakReference<Launcher>(launcher); - } - - void stop() { - mStopped = true; - } - - boolean isRunning() { - return mRunning; - } - - public void run() { - mRunning = true; - - android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); - - Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); - mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); - - final Launcher launcher = mLauncher.get(); - final PackageManager manager = launcher.getPackageManager(); - final List<ResolveInfo> apps = manager.queryIntentActivities(mainIntent, 0); - - if (apps != null && !mStopped) { - final int count = apps.size(); - final ApplicationsAdapter applicationList = mApplicationsAdapter; - - ChangeNotifier action = new ChangeNotifier(applicationList); - - for (int i = 0; i < count && !mStopped; i++) { - ApplicationInfo application = new ApplicationInfo(); - ResolveInfo info = apps.get(i); - - application.title = info.loadLabel(manager); - if (application.title == null) { - application.title = info.activityInfo.name; - } - application.setActivity(new ComponentName( - info.activityInfo.applicationInfo.packageName, - info.activityInfo.name), - Intent.FLAG_ACTIVITY_NEW_TASK | - Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); - application.icon = info.activityInfo.loadIcon(manager); - application.container = ItemInfo.NO_ID; - - action.add(application); - } - - action.sort(new Comparator<ApplicationInfo>() { - public final int compare(ApplicationInfo a, ApplicationInfo b) { - return sCollator.compare(a.title.toString(), b.title.toString()); - } - }); - - if (!mStopped) { - launcher.runOnUiThread(action); - } - } - - if (!mStopped) { - mApplicationsLoaded = true; - } - mRunning = false; - } - } - - private static class ChangeNotifier implements Runnable { - private final ApplicationsAdapter mApplicationList; - private ArrayList<ApplicationInfo> mBuffer; - - ChangeNotifier(ApplicationsAdapter applicationList) { - mApplicationList = applicationList; - mBuffer = new ArrayList<ApplicationInfo>(UI_NOTIFICATION_RATE); - } - - public void run() { - final ArrayList<ApplicationInfo> buffer = mBuffer; - final ApplicationsAdapter applicationList = mApplicationList; - final int count = buffer.size(); - - applicationList.clear(); - for (int i = 0; i < count; i++) { - applicationList.setNotifyOnChange(false); - applicationList.add(buffer.get(i)); - } - - applicationList.notifyDataSetChanged(); - buffer.clear(); - } - - void add(ApplicationInfo application) { - mBuffer.add(application); - } - - void sort(Comparator<ApplicationInfo> comparator) { - Collections.sort(mBuffer, comparator); - } - } - - boolean isDesktopLoaded() { - return mDesktopItems != null && mDesktopItemsLoaded; - } - - /** - * Loads all of the items on the desktop, in folders, or in the dock. - * These can be apps, shortcuts or widgets - */ - void loadUserItems(boolean isLaunching, Launcher launcher, boolean localeChanged, - boolean loadApplications) { - - if (isLaunching && mDesktopItems != null && mDesktopItemsLoaded) { - if (loadApplications) startApplicationsLoader(launcher); - // We have already loaded our data from the DB - launcher.onDesktopItemsLoaded(); - return; - } - - if (mDesktopItemsLoader != null && mDesktopItemsLoader.isRunning()) { - mDesktopItemsLoader.stop(); - // Wait for the currently running thread to finish, this can take a little - // time but it should be well below the timeout limit - try { - mDesktopLoader.join(APPLICATION_NOT_RESPONDING_TIMEOUT); - } catch (InterruptedException e) { - // Empty - } - } - - mDesktopItemsLoaded = false; - mDesktopItemsLoader = new DesktopItemsLoader(launcher, localeChanged, loadApplications); - mDesktopLoader = new Thread(mDesktopItemsLoader, "Desktop Items Loader"); - mDesktopLoader.start(); - } - - private static void updateShortcutLabels(ContentResolver resolver, PackageManager manager) { - final Cursor c = resolver.query(LauncherSettings.Favorites.CONTENT_URI, - new String[] { LauncherSettings.Favorites.ID, LauncherSettings.Favorites.TITLE, - LauncherSettings.Favorites.INTENT, LauncherSettings.Favorites.ITEM_TYPE }, - null, null, null); - - final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ID); - final int intentIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.INTENT); - final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); - final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE); - - // boolean changed = false; - - try { - while (c.moveToNext()) { - try { - if (c.getInt(itemTypeIndex) != - LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { - continue; - } - - final String intentUri = c.getString(intentIndex); - if (intentUri != null) { - final Intent shortcut = Intent.getIntent(intentUri); - if (Intent.ACTION_MAIN.equals(shortcut.getAction())) { - final ComponentName name = shortcut.getComponent(); - if (name != null) { - final ActivityInfo activityInfo = manager.getActivityInfo(name, 0); - final String title = c.getString(titleIndex); - String label = getLabel(manager, activityInfo); - - if (title == null || !title.equals(label)) { - final ContentValues values = new ContentValues(); - values.put(LauncherSettings.Favorites.TITLE, label); - - resolver.update(LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, - values, "_id=?", - new String[] { String.valueOf(c.getLong(idIndex)) }); - - // changed = true; - } - } - } - } - } catch (URISyntaxException e) { - // Ignore - } catch (PackageManager.NameNotFoundException e) { - // Ignore - } - } - } finally { - c.close(); - } - - // if (changed) resolver.notifyChange(Settings.Favorites.CONTENT_URI, null); - } - - private static String getLabel(PackageManager manager, ActivityInfo activityInfo) { - String label = activityInfo.loadLabel(manager).toString(); - if (label == null) { - label = manager.getApplicationLabel(activityInfo.applicationInfo).toString(); - if (label == null) { - label = activityInfo.name; - } - } - return label; - } - - private class DesktopItemsLoader implements Runnable { - private volatile boolean mStopped; - private volatile boolean mRunning; - - private final WeakReference<Launcher> mLauncher; - private final boolean mLocaleChanged; - private final boolean mLoadApplications; - - DesktopItemsLoader(Launcher launcher, boolean localeChanged, boolean loadApplications) { - mLoadApplications = loadApplications; - mLauncher = new WeakReference<Launcher>(launcher); - mLocaleChanged = localeChanged; - } - - void stop() { - mStopped = true; - } - - boolean isRunning() { - return mRunning; - } - - public void run() { - mRunning = true; - - final Launcher launcher = mLauncher.get(); - final ContentResolver contentResolver = launcher.getContentResolver(); - final PackageManager manager = launcher.getPackageManager(); - - if (mLocaleChanged) { - updateShortcutLabels(contentResolver, manager); - } - - mDesktopItems = new ArrayList<ItemInfo>(); - mFolders = new HashMap<Long, FolderInfo>(); - - final ArrayList<ItemInfo> desktopItems = mDesktopItems; - - final Cursor c = contentResolver.query( - LauncherSettings.Favorites.CONTENT_URI, null, null, null, null); - - try { - final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ID); - final int intentIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.INTENT); - final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE); - final int iconTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON_TYPE); - final int iconIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON); - final int iconPackageIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON_PACKAGE); - final int iconResourceIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON_RESOURCE); - final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); - final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); - final int gadgetIdIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.GADGET_ID); - 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 uriIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.URI); - final int displayModeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.DISPLAY_MODE); - - ApplicationInfo info; - String intentDescription; - Widget widgetInfo = null; - LauncherGadgetInfo gadgetInfo = null; - int container; - long id; - Intent intent; - - final HashMap<Long, FolderInfo> folders = mFolders; - - while (!mStopped && c.moveToNext()) { - try { - int itemType = c.getInt(itemTypeIndex); - - switch (itemType) { - case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: - case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: - intentDescription = c.getString(intentIndex); - try { - intent = Intent.getIntent(intentDescription); - } catch (java.net.URISyntaxException e) { - continue; - } - - if (itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { - info = getApplicationInfo(manager, intent); - } else { - info = getApplicationInfoShortcut(c, launcher, iconTypeIndex, - iconPackageIndex, iconResourceIndex, iconIndex); - } - - if (info == null) { - info = new ApplicationInfo(); - info.icon = manager.getDefaultActivityIcon(); - } - - if (info != null) { - info.title = c.getString(titleIndex); - info.intent = intent; - - info.id = c.getLong(idIndex); - container = c.getInt(containerIndex); - info.container = container; - info.screen = c.getInt(screenIndex); - info.cellX = c.getInt(cellXIndex); - info.cellY = c.getInt(cellYIndex); - - switch (container) { - case LauncherSettings.Favorites.CONTAINER_DESKTOP: - desktopItems.add(info); - break; - default: - // Item is in a user folder - UserFolderInfo folderInfo = - findOrMakeUserFolder(folders, container); - folderInfo.add(info); - break; - } - } - break; - case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: - - id = c.getLong(idIndex); - UserFolderInfo folderInfo = findOrMakeUserFolder(folders, id); - - folderInfo.title = c.getString(titleIndex); - - folderInfo.id = id; - container = c.getInt(containerIndex); - folderInfo.container = container; - folderInfo.screen = c.getInt(screenIndex); - folderInfo.cellX = c.getInt(cellXIndex); - folderInfo.cellY = c.getInt(cellYIndex); - - switch (container) { - case LauncherSettings.Favorites.CONTAINER_DESKTOP: - desktopItems.add(folderInfo); - break; - } - break; - case LauncherSettings.Favorites.ITEM_TYPE_LIVE_FOLDER: - - id = c.getLong(idIndex); - LiveFolderInfo liveFolderInfo = findOrMakeLiveFolder(folders, id); - - intentDescription = c.getString(intentIndex); - intent = null; - if (intentDescription != null) { - try { - intent = Intent.getIntent(intentDescription); - } catch (java.net.URISyntaxException e) { - // Ignore, a live folder might not have a base intent - } - } - - liveFolderInfo.title = c.getString(titleIndex); - liveFolderInfo.id = id; - container = c.getInt(containerIndex); - liveFolderInfo.container = container; - liveFolderInfo.screen = c.getInt(screenIndex); - liveFolderInfo.cellX = c.getInt(cellXIndex); - liveFolderInfo.cellY = c.getInt(cellYIndex); - liveFolderInfo.uri = Uri.parse(c.getString(uriIndex)); - liveFolderInfo.baseIntent = intent; - liveFolderInfo.displayMode = c.getInt(displayModeIndex); - - loadLiveFolderIcon(launcher, c, iconTypeIndex, iconPackageIndex, - iconResourceIndex, liveFolderInfo); - - switch (container) { - case LauncherSettings.Favorites.CONTAINER_DESKTOP: - desktopItems.add(liveFolderInfo); - break; - } - break; - case LauncherSettings.Favorites.ITEM_TYPE_WIDGET_SEARCH: - widgetInfo = Widget.makeSearch(); - - container = c.getInt(containerIndex); - if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP) { - Log.e(Launcher.LOG_TAG, "Widget found where container " - + "!= CONTAINER_DESKTOP ignoring!"); - continue; - } - - widgetInfo.id = c.getLong(idIndex); - widgetInfo.screen = c.getInt(screenIndex); - widgetInfo.container = container; - widgetInfo.cellX = c.getInt(cellXIndex); - widgetInfo.cellY = c.getInt(cellYIndex); - - desktopItems.add(widgetInfo); - break; - case LauncherSettings.Favorites.ITEM_TYPE_GADGET: - // Read all Launcher-specific gadget details - int gadgetId = c.getInt(gadgetIdIndex); - gadgetInfo = new LauncherGadgetInfo(gadgetId); - gadgetInfo.id = c.getLong(idIndex); - gadgetInfo.screen = c.getInt(screenIndex); - gadgetInfo.cellX = c.getInt(cellXIndex); - gadgetInfo.cellY = c.getInt(cellYIndex); - gadgetInfo.spanX = c.getInt(spanXIndex); - gadgetInfo.spanY = c.getInt(spanYIndex); - - container = c.getInt(containerIndex); - if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP) { - Log.e(Launcher.LOG_TAG, "Gadget found where container " - + "!= CONTAINER_DESKTOP -- ignoring!"); - continue; - } - gadgetInfo.container = c.getInt(containerIndex); - - desktopItems.add(gadgetInfo); - break; - } - } catch (Exception e) { - Log.w(Launcher.LOG_TAG, "Desktop items loading interrupted:", e); - } - } - } finally { - c.close(); - } - - if (!mStopped) { - launcher.runOnUiThread(new Runnable() { - public void run() { - launcher.onDesktopItemsLoaded(); - } - }); - if (mLoadApplications) startApplicationsLoader(launcher); - } - - if (!mStopped) { - mDesktopItemsLoaded = true; - } - mRunning = false; - } - } - - private static void loadLiveFolderIcon(Launcher launcher, Cursor c, int iconTypeIndex, - int iconPackageIndex, int iconResourceIndex, LiveFolderInfo liveFolderInfo) { - - int iconType = c.getInt(iconTypeIndex); - switch (iconType) { - case LauncherSettings.Favorites.ICON_TYPE_RESOURCE: - String packageName = c.getString(iconPackageIndex); - String resourceName = c.getString(iconResourceIndex); - PackageManager packageManager = launcher.getPackageManager(); - try { - Resources resources = packageManager.getResourcesForApplication(packageName); - final int id = resources.getIdentifier(resourceName, null, null); - liveFolderInfo.icon = resources.getDrawable(id); - } catch (Exception e) { - liveFolderInfo.icon = - launcher.getResources().getDrawable(R.drawable.ic_launcher_folder); - } - liveFolderInfo.iconResource = new Intent.ShortcutIconResource(); - liveFolderInfo.iconResource.packageName = packageName; - liveFolderInfo.iconResource.resourceName = resourceName; - break; - default: - liveFolderInfo.icon = - launcher.getResources().getDrawable(R.drawable.ic_launcher_folder); - } - } - - /** - * Finds the user folder defined by the specified id. - * - * @param id The id of the folder to look for. - * - * @return A UserFolderInfo if the folder exists or null otherwise. - */ - FolderInfo findFolderById(long id) { - return mFolders.get(id); - } - - void addFolder(FolderInfo info) { - mFolders.put(info.id, info); - } - - /** - * Return an existing UserFolderInfo object if we have encountered this ID previously, or make a - * new one. - */ - private UserFolderInfo findOrMakeUserFolder(HashMap<Long, FolderInfo> folders, long id) { - // See if a placeholder was created for us already - FolderInfo folderInfo = folders.get(id); - if (folderInfo == null || !(folderInfo instanceof UserFolderInfo)) { - // No placeholder -- create a new instance - folderInfo = new UserFolderInfo(); - folders.put(id, folderInfo); - } - return (UserFolderInfo) folderInfo; - } - - /** - * Return an existing UserFolderInfo object if we have encountered this ID previously, or make a - * new one. - */ - private LiveFolderInfo findOrMakeLiveFolder(HashMap<Long, FolderInfo> folders, long id) { - // See if a placeholder was created for us already - FolderInfo folderInfo = folders.get(id); - if (folderInfo == null || !(folderInfo instanceof LiveFolderInfo)) { - // No placeholder -- create a new instance - folderInfo = new LiveFolderInfo(); - folders.put(id, folderInfo); - } - return (LiveFolderInfo) folderInfo; - } - - /** - * Remove the callback for the cached drawables or we leak the previous - * Home screen on orientation change. - */ - void unbind() { - mApplicationsAdapter = null; - unbindAppDrawables(mApplications); - unbindDrawables(mDesktopItems); - } - - /** - * Remove the callback for the cached drawables or we leak the previous - * Home screen on orientation change. - */ - private void unbindDrawables(ArrayList<ItemInfo> desktopItems) { - if (desktopItems != null) { - final int count = desktopItems.size(); - for (int i = 0; i < count; i++) { - ItemInfo item = desktopItems.get(i); - switch (item.itemType) { - case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: - case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: - ((ApplicationInfo)item).icon.setCallback(null); - } - } - } - } - - /** - * Remove the callback for the cached drawables or we leak the previous - * Home screen on orientation change. - */ - private void unbindAppDrawables(ArrayList<ApplicationInfo> applications) { - if (applications != null) { - final int count = applications.size(); - for (int i = 0; i < count; i++) { - applications.get(i).icon.setCallback(null); - } - } - } - - /** - * @return The current list of applications - */ - public ArrayList<ApplicationInfo> getApplications() { - return mApplications; - } - - /** - * @return The current list of applications - */ - public ApplicationsAdapter getApplicationsAdapter() { - return mApplicationsAdapter; - } - - /** - * @return The current list of desktop items - */ - public ArrayList<ItemInfo> getDesktopItems() { - return mDesktopItems; - } - - /** - * Add an item to the desktop - * @param info - */ - public void addDesktopItem(ItemInfo info) { - // TODO: write to DB; also check that folder has been added to folders list - mDesktopItems.add(info); - } - - /** - * Remove an item from the desktop - * @param info - */ - public void removeDesktopItem(ItemInfo info) { - // TODO: write to DB; figure out if we should remove folder from folders list - mDesktopItems.remove(info); - } - - /** - * Make an ApplicationInfo object for an application - */ - private static ApplicationInfo getApplicationInfo(PackageManager manager, Intent intent) { - final ResolveInfo resolveInfo = manager.resolveActivity(intent, 0); - - if (resolveInfo == null) { - return null; - } - - final ApplicationInfo info = new ApplicationInfo(); - final ActivityInfo activityInfo = resolveInfo.activityInfo; - info.icon = activityInfo.loadIcon(manager); - if (info.title == null || info.title.length() == 0) { - info.title = activityInfo.loadLabel(manager); - } - if (info.title == null) { - info.title = ""; - } - info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION; - return info; - } - - /** - * Make an ApplicationInfo object for a sortcut - */ - private ApplicationInfo getApplicationInfoShortcut(Cursor c, Launcher launcher, - int iconTypeIndex, int iconPackageIndex, int iconResourceIndex, int iconIndex) { - - final ApplicationInfo info = new ApplicationInfo(); - info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; - - int iconType = c.getInt(iconTypeIndex); - switch (iconType) { - case LauncherSettings.Favorites.ICON_TYPE_RESOURCE: - String packageName = c.getString(iconPackageIndex); - String resourceName = c.getString(iconResourceIndex); - PackageManager packageManager = launcher.getPackageManager(); - try { - Resources resources = packageManager.getResourcesForApplication(packageName); - final int id = resources.getIdentifier(resourceName, null, null); - info.icon = resources.getDrawable(id); - } catch (Exception e) { - info.icon = packageManager.getDefaultActivityIcon(); - } - info.iconResource = new Intent.ShortcutIconResource(); - info.iconResource.packageName = packageName; - info.iconResource.resourceName = resourceName; - info.customIcon = false; - break; - case LauncherSettings.Favorites.ICON_TYPE_BITMAP: - byte[] data = c.getBlob(iconIndex); - Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length); - info.icon = new FastBitmapDrawable( - Utilities.createBitmapThumbnail(bitmap, launcher)); - info.filtered = true; - info.customIcon = true; - break; - default: - info.icon = launcher.getPackageManager().getDefaultActivityIcon(); - info.customIcon = false; - break; - } - return info; - } - - /** - * Remove an item from the in-memory represention of a user folder. Does not change the DB. - */ - void removeUserFolderItem(UserFolderInfo folder, ItemInfo info) { - //noinspection SuspiciousMethodCalls - folder.contents.remove(info); - } - - /** - * Removes a UserFolder from the in-memory list of folders. Does not change the DB. - * @param userFolderInfo - */ - void removeUserFolder(UserFolderInfo userFolderInfo) { - mFolders.remove(userFolderInfo.id); - } - - /** - * Adds an item to the DB if it was not created previously, or move it to a new - * <container, screen, cellX, cellY> - */ - static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container, - int screen, int cellX, int cellY) { - if (item.container == ItemInfo.NO_ID) { - // From all apps - addItemToDatabase(context, item, container, screen, cellX, cellY, false); - } else { - // From somewhere else - moveItemInDatabase(context, item, container, screen, cellX, cellY); - } - } - - /** - * Move an item in the DB to a new <container, screen, cellX, cellY> - */ - static void moveItemInDatabase(Context context, ItemInfo item, long container, int screen, - int cellX, int cellY) { - item.container = container; - item.screen = screen; - item.cellX = cellX; - item.cellY = cellY; - - final ContentValues values = new ContentValues(); - final ContentResolver cr = context.getContentResolver(); - - 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.SCREEN, item.screen); - - cr.update(LauncherSettings.Favorites.getContentUri(item.id, false), values, null, null); - } - - /** - * Returns true if the shortcuts already exists in the database. - * we identify a shortcut by its title and intent. - */ - static boolean shortcutExists(Context context, String title, Intent intent) { - final ContentResolver cr = context.getContentResolver(); - Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, - new String[] { "title", "intent" }, "title=? and intent=?", - new String[] { title, intent.toURI() }, null); - boolean result = false; - try { - result = c.moveToFirst(); - } finally { - c.close(); - } - return result; - } - - FolderInfo getFolderById(Context context, long id) { - final ContentResolver cr = context.getContentResolver(); - Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, null, - "_id=? and itemType=? or itemType=?", - new String[] { String.valueOf(id), - String.valueOf(LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER), - String.valueOf(LauncherSettings.Favorites.ITEM_TYPE_LIVE_FOLDER) }, null); - - try { - if (c.moveToFirst()) { - final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); - final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE); - final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); - final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); - final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); - final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); - - FolderInfo folderInfo = null; - switch (c.getInt(itemTypeIndex)) { - case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: - folderInfo = findOrMakeUserFolder(mFolders, id); - break; - case LauncherSettings.Favorites.ITEM_TYPE_LIVE_FOLDER: - folderInfo = findOrMakeLiveFolder(mFolders, id); - break; - } - - folderInfo.title = c.getString(titleIndex); - folderInfo.id = id; - folderInfo.container = c.getInt(containerIndex); - folderInfo.screen = c.getInt(screenIndex); - folderInfo.cellX = c.getInt(cellXIndex); - folderInfo.cellY = c.getInt(cellYIndex); - - return folderInfo; - } - } finally { - c.close(); - } - - return null; - } - - /** - * 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. - */ - static void addItemToDatabase(Context context, ItemInfo item, long container, - int screen, int cellX, int cellY, boolean notify) { - item.container = container; - item.screen = screen; - item.cellX = cellX; - item.cellY = cellY; - - final ContentValues values = new ContentValues(); - final ContentResolver cr = context.getContentResolver(); - - item.onAddToDatabase(values); - - Uri result = cr.insert(notify ? LauncherSettings.Favorites.CONTENT_URI : - LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, values); - - if (result != null) { - item.id = Integer.parseInt(result.getPathSegments().get(1)); - } - } - - /** - * Update an item to the database in a specified container. - */ - static void updateItemInDatabase(Context context, ItemInfo item) { - final ContentValues values = new ContentValues(); - final ContentResolver cr = context.getContentResolver(); - - item.onAddToDatabase(values); - - cr.update(LauncherSettings.Favorites.getContentUri(item.id, false), values, null, null); - } - - /** - * Removes the specified item from the database - * @param context - * @param item - */ - static void deleteItemFromDatabase(Context context, ItemInfo item) { - final ContentResolver cr = context.getContentResolver(); - - cr.delete(LauncherSettings.Favorites.getContentUri(item.id, false), null, null); - } - - - /** - * Remove the contents of the specified folder from the database - */ - static void deleteUserFolderContentsFromDatabase(Context context, UserFolderInfo info) { - final ContentResolver cr = context.getContentResolver(); - - cr.delete(LauncherSettings.Favorites.getContentUri(info.id, false), null, null); - cr.delete(LauncherSettings.Favorites.CONTENT_URI, - LauncherSettings.Favorites.CONTAINER + "=" + info.id, null); - } -} |