1 files changed, 90 insertions, 0 deletions
diff --git a/src/com/android/swe/browser/AccountsChangedReceiver.java b/src/com/android/swe/browser/AccountsChangedReceiver.java
new file mode 100644
index 00000000..ba1b3cc9
--- /dev/null
+++ b/src/com/android/swe/browser/AccountsChangedReceiver.java
@@ -0,0 +1,90 @@
+/*
+ * 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.database.Cursor;
+import android.net.Uri;
+import android.provider.BrowserContract;
+import android.provider.BrowserContract.Accounts;
+import android.provider.BrowserContract.Bookmarks;
+import android.text.TextUtils;
+
+public class AccountsChangedReceiver extends BroadcastReceiver {
+
+    private static final String[] PROJECTION = new String[] {
+        Accounts.ACCOUNT_NAME,
+        Accounts.ACCOUNT_TYPE,
+    };
+    private static final String SELECTION = Accounts.ACCOUNT_NAME + " IS NOT NULL";
+    private static final String DELETE_SELECTION = Accounts.ACCOUNT_NAME + "=? AND "
+            + Accounts.ACCOUNT_TYPE + "=?";
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        new DeleteRemovedAccounts(context).start();
+    }
+
+    static class DeleteRemovedAccounts extends Thread {
+        Context mContext;
+        public DeleteRemovedAccounts(Context context) {
+            mContext = context.getApplicationContext();
+        }
+
+        @Override
+        public void run() {
+            Account[] accounts = AccountManager.get(mContext).getAccounts();
+            ContentResolver cr = mContext.getContentResolver();
+            Cursor c = cr.query(Accounts.CONTENT_URI, PROJECTION,
+                    SELECTION, null, null);
+            while (c.moveToNext()) {
+                String name = c.getString(0);
+                String type = c.getString(1);
+                if (!contains(accounts, name, type)) {
+                    delete(cr, name, type);
+                }
+            }
+            cr.update(Accounts.CONTENT_URI, null, null, null);
+            c.close();
+        }
+
+        void delete(ContentResolver cr, String name, String type) {
+            // Pretend to be a sync adapter to delete the data and not mark
+            // it for deletion. Without this, the bookmarks will be marked to
+            // be deleted, which will propagate to the server if the account
+            // is added back.
+            Uri uri = Bookmarks.CONTENT_URI.buildUpon()
+                    .appendQueryParameter(BrowserContract.CALLER_IS_SYNCADAPTER, "true")
+                    .build();
+            cr.delete(uri, DELETE_SELECTION, new String[] { name, type });
+        }
+
+        boolean contains(Account[] accounts, String name, String type) {
+            for (Account a : accounts) {
+                if (TextUtils.equals(a.name, name)
+                        && TextUtils.equals(a.type, type)) {
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+}