Handle chrome sync account deleted case

 Bug: 3337527, 3353260
 Listens for changes to the system accounts and handles the case
 of the chrome sync account being deleted. Also, enabling chrome sync
 in the browser will now enable the browser sync in settings.

Change-Id: Iab2ed839fc5fc356a7a4d865965bfafcb39b4ee7

3 files changed, 72 insertions, 12 deletions

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 1dc53f6..77a27a1 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -33,6 +33,7 @@
     <uses-permission android:name="android.permission.WAKE_LOCK"/>
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_SETTINGS" />
+    <uses-permission android:name="android.permission.READ_SYNC_SETTINGS" />
     <uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS" />
     <uses-permission android:name="com.android.browser.permission.READ_HISTORY_BOOKMARKS"/>
     <uses-permission android:name="com.android.browser.permission.WRITE_HISTORY_BOOKMARKS"/>
@@ -134,9 +135,6 @@
             <meta-data android:name="android.app.searchable"
                     android:resource="@xml/searchable" />
         </activity>
-        <activity android:name="BrowserBookmarksPage" android:label="@string/bookmarks"
-                  android:launchMode="singleTop" android:configChanges="orientation|keyboardHidden">
-        </activity>
 
         <activity android:name="ShortcutActivity"
             android:theme="@style/ShortcutTheme"
@@ -150,17 +148,9 @@
 
         </activity>
 
-        <activity android:name="BrowserDownloadPage" android:label=""
-                  android:configChanges="orientation|keyboardHidden">
-        </activity>
-
         <activity android:name="BrowserPreferencesPage" android:label="@string/menu_preferences">
         </activity>
 
-        <activity android:name="BrowserHistoryPage" android:label=""
-                  android:configChanges="orientation|keyboardHidden">
-        </activity>
-
         <activity android:name="BookmarkSearch"
                   android:label="@string/bookmarks_search"
                   android:stateNotNeeded="true"
@@ -230,6 +220,12 @@
             android:authorities="com.android.browser.home"
             android:readPermission="com.android.browser.permission.READ_HISTORY_BOOKMARKS"
             android:exported="false" />
+
+        <receiver android:name=".AccountsChangedReceiver">
+            <intent-filter>
+                <action android:name="android.accounts.LOGIN_ACCOUNTS_CHANGED" />
+            </intent-filter>
+        </receiver>
     </application>
 
 </manifest>
diff --git a/src/com/android/browser/AccountsChangedReceiver.java b/src/com/android/browser/AccountsChangedReceiver.java
new file mode 100644
index 0000000..92d6ad0
--- /dev/null
+++ b/src/com/android/browser/AccountsChangedReceiver.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2011 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.browser;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.content.BroadcastReceiver;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+import android.provider.BrowserContract;
+
+public class AccountsChangedReceiver extends BroadcastReceiver {
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        // Validate that the account we are syncing to still exists
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        String accountType = prefs.getString(BrowserBookmarksPage.PREF_ACCOUNT_TYPE, null);
+        String accountName = prefs.getString(BrowserBookmarksPage.PREF_ACCOUNT_NAME, null);
+        if (accountType == null || accountName == null) {
+            // Not syncing, nothing to do
+            return;
+        }
+        Account[] accounts = AccountManager.get(context).getAccountsByType(accountType);
+        for (Account a : accounts) {
+            if (accountName.equals(a.name)) {
+                // Still have a valid account, sweet
+                return;
+            }
+        }
+        // Account deleted - disable sync
+        prefs.edit()
+                .remove(BrowserBookmarksPage.PREF_ACCOUNT_TYPE)
+                .remove(BrowserBookmarksPage.PREF_ACCOUNT_NAME)
+                .commit();
+        BrowserContract.Settings.setSyncEnabled(context, false);
+        for (Account a : accounts) {
+            ContentResolver.setSyncAutomatically(a, BrowserContract.AUTHORITY, false);
+            ContentResolver.setIsSyncable(a, BrowserContract.AUTHORITY, 0);
+        }
+    }
+
+}
diff --git a/src/com/android/browser/preferences/GeneralPreferencesFragment.java b/src/com/android/browser/preferences/GeneralPreferencesFragment.java
index 99a4ec9..2735166 100644
--- a/src/com/android/browser/preferences/GeneralPreferencesFragment.java
+++ b/src/com/android/browser/preferences/GeneralPreferencesFragment.java
@@ -304,7 +304,11 @@ public class GeneralPreferencesFragment extends PreferenceFragment
             // Enable bookmark sync on all accounts
             Account[] accounts = (Account[]) getArguments().getParcelableArray("accounts");
             for (Account account : accounts) {
-                ContentResolver.setIsSyncable(account, BrowserContract.AUTHORITY, 1);
+                if (ContentResolver.getIsSyncable(account, BrowserContract.AUTHORITY) == 0) {
+                    // Account wasn't syncable, enable it
+                    ContentResolver.setIsSyncable(account, BrowserContract.AUTHORITY, 1);
+                    ContentResolver.setSyncAutomatically(account, BrowserContract.AUTHORITY, true);
+                }
             }
 
             dismiss();