1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.launcher2; 18 19 import android.content.BroadcastReceiver; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.ContentResolver; 23 import android.database.Cursor; 24 import android.net.Uri; 25 import android.widget.Toast; 26 27 import java.net.URISyntaxException; 28 29 public class UninstallShortcutReceiver extends BroadcastReceiver { 30 private static final String ACTION_UNINSTALL_SHORTCUT = 31 "com.android.launcher.action.UNINSTALL_SHORTCUT"; 32 onReceive(Context context, Intent data)33 public void onReceive(Context context, Intent data) { 34 if (!ACTION_UNINSTALL_SHORTCUT.equals(data.getAction())) { 35 return; 36 } 37 38 Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); 39 String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 40 boolean duplicate = data.getBooleanExtra(Launcher.EXTRA_SHORTCUT_DUPLICATE, true); 41 42 if (intent != null && name != null) { 43 final ContentResolver cr = context.getContentResolver(); 44 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, 45 new String[] { LauncherSettings.Favorites._ID, LauncherSettings.Favorites.INTENT }, 46 LauncherSettings.Favorites.TITLE + "=?", new String[] { name }, null); 47 48 final int intentIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.INTENT); 49 final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID); 50 51 boolean changed = false; 52 53 try { 54 while (c.moveToNext()) { 55 try { 56 if (intent.filterEquals(Intent.parseUri(c.getString(intentIndex), 0))) { 57 final long id = c.getLong(idIndex); 58 final Uri uri = LauncherSettings.Favorites.getContentUri(id, false); 59 cr.delete(uri, null, null); 60 changed = true; 61 if (!duplicate) { 62 break; 63 } 64 } 65 } catch (URISyntaxException e) { 66 // Ignore 67 } 68 } 69 } finally { 70 c.close(); 71 } 72 73 if (changed) { 74 cr.notifyChange(LauncherSettings.Favorites.CONTENT_URI, null); 75 Toast.makeText(context, context.getString(R.string.shortcut_uninstalled, name), 76 Toast.LENGTH_SHORT).show(); 77 } 78 } 79 } 80 } 81