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-rw-r--r--src/com/android/launcher3/UninstallShortcutReceiver.java166
1 files changed, 166 insertions, 0 deletions
diff --git a/src/com/android/launcher3/UninstallShortcutReceiver.java b/src/com/android/launcher3/UninstallShortcutReceiver.java
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+++ b/src/com/android/launcher3/UninstallShortcutReceiver.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.content.BroadcastReceiver;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.database.Cursor;
+import android.net.Uri;
+import android.widget.Toast;
+
+import com.android.launcher3.R;
+
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+public class UninstallShortcutReceiver extends BroadcastReceiver {
+ private static final String ACTION_UNINSTALL_SHORTCUT =
+ "com.android.launcher3.action.UNINSTALL_SHORTCUT";
+
+ // The set of shortcuts that are pending uninstall
+ private static ArrayList<PendingUninstallShortcutInfo> mUninstallQueue =
+ new ArrayList<PendingUninstallShortcutInfo>();
+
+ // Determines whether to defer uninstalling shortcuts immediately until
+ // disableAndFlushUninstallQueue() is called.
+ private static boolean mUseUninstallQueue = false;
+
+ private static class PendingUninstallShortcutInfo {
+ Intent data;
+
+ public PendingUninstallShortcutInfo(Intent rawData) {
+ data = rawData;
+ }
+ }
+
+ public void onReceive(Context context, Intent data) {
+ if (!ACTION_UNINSTALL_SHORTCUT.equals(data.getAction())) {
+ return;
+ }
+
+ PendingUninstallShortcutInfo info = new PendingUninstallShortcutInfo(data);
+ if (mUseUninstallQueue) {
+ mUninstallQueue.add(info);
+ } else {
+ processUninstallShortcut(context, info);
+ }
+ }
+
+ static void enableUninstallQueue() {
+ mUseUninstallQueue = true;
+ }
+
+ static void disableAndFlushUninstallQueue(Context context) {
+ mUseUninstallQueue = false;
+ Iterator<PendingUninstallShortcutInfo> iter = mUninstallQueue.iterator();
+ while (iter.hasNext()) {
+ processUninstallShortcut(context, iter.next());
+ iter.remove();
+ }
+ }
+
+ private static void processUninstallShortcut(Context context,
+ PendingUninstallShortcutInfo pendingInfo) {
+ String spKey = LauncherApplication.getSharedPreferencesKey();
+ SharedPreferences sharedPrefs = context.getSharedPreferences(spKey, Context.MODE_PRIVATE);
+
+ final Intent data = pendingInfo.data;
+
+ LauncherApplication app = (LauncherApplication) context.getApplicationContext();
+ synchronized (app) {
+ removeShortcut(context, data, sharedPrefs);
+ }
+ }
+
+ private static void removeShortcut(Context context, Intent data,
+ final SharedPreferences sharedPrefs) {
+ Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT);
+ String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
+ boolean duplicate = data.getBooleanExtra(Launcher.EXTRA_SHORTCUT_DUPLICATE, true);
+
+ if (intent != null && name != null) {
+ final ContentResolver cr = context.getContentResolver();
+ Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI,
+ new String[] { LauncherSettings.Favorites._ID, LauncherSettings.Favorites.INTENT },
+ LauncherSettings.Favorites.TITLE + "=?", new String[] { name }, null);
+
+ final int intentIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.INTENT);
+ final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID);
+
+ boolean changed = false;
+
+ try {
+ while (c.moveToNext()) {
+ try {
+ if (intent.filterEquals(Intent.parseUri(c.getString(intentIndex), 0))) {
+ final long id = c.getLong(idIndex);
+ final Uri uri = LauncherSettings.Favorites.getContentUri(id, false);
+ cr.delete(uri, null, null);
+ changed = true;
+ if (!duplicate) {
+ break;
+ }
+ }
+ } catch (URISyntaxException e) {
+ // Ignore
+ }
+ }
+ } finally {
+ c.close();
+ }
+
+ if (changed) {
+ cr.notifyChange(LauncherSettings.Favorites.CONTENT_URI, null);
+ Toast.makeText(context, context.getString(R.string.shortcut_uninstalled, name),
+ Toast.LENGTH_SHORT).show();
+ }
+
+ // Remove any items due to be animated
+ boolean appRemoved;
+ Set<String> newApps = new HashSet<String>();
+ newApps = sharedPrefs.getStringSet(InstallShortcutReceiver.NEW_APPS_LIST_KEY, newApps);
+ synchronized (newApps) {
+ do {
+ appRemoved = newApps.remove(intent.toUri(0).toString());
+ } while (appRemoved);
+ }
+ if (appRemoved) {
+ final Set<String> savedNewApps = newApps;
+ new Thread("setNewAppsThread-remove") {
+ public void run() {
+ synchronized (savedNewApps) {
+ SharedPreferences.Editor editor = sharedPrefs.edit();
+ editor.putStringSet(InstallShortcutReceiver.NEW_APPS_LIST_KEY,
+ savedNewApps);
+ if (savedNewApps.isEmpty()) {
+ // Reset the page index if there are no more items
+ editor.putInt(InstallShortcutReceiver.NEW_APPS_PAGE_KEY, -1);
+ }
+ editor.commit();
+ }
+ }
+ }.start();
+ }
+ }
+ }
+}