1 /* 2 * Copyright (C) 2011 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 package com.android.browser; 17 18 import android.accounts.Account; 19 import android.accounts.AccountManager; 20 import android.content.BroadcastReceiver; 21 import android.content.ContentResolver; 22 import android.content.Context; 23 import android.content.Intent; 24 import android.database.Cursor; 25 import android.net.Uri; 26 import android.provider.BrowserContract; 27 import android.provider.BrowserContract.Accounts; 28 import android.provider.BrowserContract.Bookmarks; 29 import android.text.TextUtils; 30 31 public class AccountsChangedReceiver extends BroadcastReceiver { 32 33 private static final String[] PROJECTION = new String[] { 34 Accounts.ACCOUNT_NAME, 35 Accounts.ACCOUNT_TYPE, 36 }; 37 private static final String SELECTION = Accounts.ACCOUNT_NAME + " IS NOT NULL"; 38 private static final String DELETE_SELECTION = Accounts.ACCOUNT_NAME + "=? AND " 39 + Accounts.ACCOUNT_TYPE + "=?"; 40 41 @Override 42 public void onReceive(Context context, Intent intent) { 43 new DeleteRemovedAccounts(context).start(); 44 } 45 46 static class DeleteRemovedAccounts extends Thread { 47 Context mContext; 48 public DeleteRemovedAccounts(Context context) { 49 mContext = context.getApplicationContext(); 50 } 51 52 @Override 53 public void run() { 54 Account[] accounts = AccountManager.get(mContext).getAccounts(); 55 ContentResolver cr = mContext.getContentResolver(); 56 Cursor c = cr.query(Accounts.CONTENT_URI, PROJECTION, 57 SELECTION, null, null); 58 while (c.moveToNext()) { 59 String name = c.getString(0); 60 String type = c.getString(1); 61 if (!contains(accounts, name, type)) { 62 delete(cr, name, type); 63 } 64 } 65 cr.update(Accounts.CONTENT_URI, null, null, null); 66 c.close(); 67 } 68 69 void delete(ContentResolver cr, String name, String type) { 70 // Pretend to be a sync adapter to delete the data and not mark 71 // it for deletion. Without this, the bookmarks will be marked to 72 // be deleted, which will propagate to the server if the account 73 // is added back. 74 Uri uri = Bookmarks.CONTENT_URI.buildUpon() 75 .appendQueryParameter(BrowserContract.CALLER_IS_SYNCADAPTER, "true") 76 .build(); 77 cr.delete(uri, DELETE_SELECTION, new String[] { name, type }); 78 } 79 80 boolean contains(Account[] accounts, String name, String type) { 81 for (Account a : accounts) { 82 if (TextUtils.equals(a.name, name) 83 && TextUtils.equals(a.type, type)) { 84 return true; 85 } 86 } 87 return false; 88 } 89 } 90 } 91
