diff -r 000000000000 -r 6474c204b198 mobile/android/base/home/SimpleCursorLoader.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/base/home/SimpleCursorLoader.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,126 @@
+/*
+ * This is an adapted version of Android's original CursorLoader
+ * without all the ContentProvider-specific bits.
+ *
+ * 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 org.mozilla.gecko.home;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.support.v4.content.AsyncTaskLoader;
+
+abstract class SimpleCursorLoader extends AsyncTaskLoader<Cursor> {
+    final ForceLoadContentObserver mObserver;
+    Cursor mCursor;
+
+    public SimpleCursorLoader(Context context) {
+        super(context);
+        mObserver = new ForceLoadContentObserver();
+    }
+
+    /**
+     * Loads the target cursor for this loader. This method is called
+     * on a worker thread.
+     */
+    protected abstract Cursor loadCursor();
+
+    /* Runs on a worker thread */
+    @Override
+    public Cursor loadInBackground() {
+        Cursor cursor = loadCursor();
+
+        if (cursor != null) {
+            // Ensure the cursor window is filled
+            cursor.getCount();
+            cursor.registerContentObserver(mObserver);
+        }
+
+        return cursor;
+    }
+
+    /* Runs on the UI thread */
+    @Override
+    public void deliverResult(Cursor cursor) {
+        if (isReset()) {
+            // An async query came in while the loader is stopped
+            if (cursor != null) {
+                cursor.close();
+            }
+
+            return;
+        }
+
+        Cursor oldCursor = mCursor;
+        mCursor = cursor;
+
+        if (isStarted()) {
+            super.deliverResult(cursor);
+        }
+
+        if (oldCursor != null && oldCursor != cursor && !oldCursor.isClosed()) {
+            oldCursor.close();
+        }
+    }
+
+    /**
+     * Starts an asynchronous load of the list data. When the result is ready the callbacks
+     * will be called on the UI thread. If a previous load has been completed and is still valid
+     * the result may be passed to the callbacks immediately.
+     *
+     * Must be called from the UI thread
+     */
+    @Override
+    protected void onStartLoading() {
+        if (mCursor != null) {
+            deliverResult(mCursor);
+        }
+
+        if (takeContentChanged() || mCursor == null) {
+            forceLoad();
+        }
+    }
+
+    /**
+     * Must be called from the UI thread
+     */
+    @Override
+    protected void onStopLoading() {
+        // Attempt to cancel the current load task if possible.
+        cancelLoad();
+    }
+
+    @Override
+    public void onCanceled(Cursor cursor) {
+        if (cursor != null && !cursor.isClosed()) {
+            cursor.close();
+        }
+    }
+
+    @Override
+    protected void onReset() {
+        super.onReset();
+
+        // Ensure the loader is stopped
+        onStopLoading();
+
+        if (mCursor != null && !mCursor.isClosed()) {
+            mCursor.close();
+        }
+
+        mCursor = null;
+    }
+}
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