1 files changed, 49 insertions, 0 deletions
diff --git a/src/com/android/photos/data/NotificationWatcher.java b/src/com/android/photos/data/NotificationWatcher.java
new file mode 100644
index 000000000..8cf0e3c8f
--- /dev/null
+++ b/src/com/android/photos/data/NotificationWatcher.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2013 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.photos.data;
+
+import android.net.Uri;
+
+import com.android.photos.data.PhotoProvider.ChangeNotification;
+
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Used for capturing notifications from PhotoProvider without relying on
+ * ContentResolver. MockContentResolver does not allow sending notification to
+ * ContentObservers, so PhotoProvider allows this alternative for testing.
+ */
+public class NotificationWatcher implements ChangeNotification {
+    private Set<Uri> mUris = new HashSet<Uri>();
+
+    @Override
+    public void notifyChange(Uri uri) {
+        mUris.add(uri);
+    }
+
+    public boolean isNotified(Uri uri) {
+        return mUris.contains(uri);
+    }
+
+    public int notificationCount() {
+        return mUris.size();
+    }
+
+    public void reset() {
+        mUris.clear();
+    }
+}