[Android] A prototype of the interactive media notification.

chrome/android/java/src/org/chromium/chrome/browser/media/ui/MediaPlaybackListener.java

Index: chrome/android/java/src/org/chromium/chrome/browser/media/ui/MediaPlaybackListener.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/media/ui/MediaPlaybackListener.java b/chrome/android/java/src/org/chromium/chrome/browser/media/ui/MediaPlaybackListener.java
new file mode 100644
index 0000000000000000000000000000000000000000..e02335d65bbaae5d4b15992930b3ca43453f0797
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/media/ui/MediaPlaybackListener.java
@@ -0,0 +1,35 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.media.ui;
+
+/**
+ * Listener for media playback events that are relevant to the browser UI.
+ */
+public interface MediaPlaybackListener {
+    /**
+     * Called when the media playback state has changed (e.g. from playing to paused)
+     * @param oldState the old state (one of those defined in {@link MediaInfo})
+     * @param newState the new state
+     */
+    void onPlaybackStateChanged(int oldState, int newState);
+
+    /**
+     * Called if the title of the media changes
+     * @param title the new title
+     */
+    void onTitleChanged(String title);
+
+    /**
+     * Called if the broad domain (eTLD+1) of the media changes
+     * @param broadDomain the new eTLD+1
+     */
+    void onBroadDomainChanged(String broadDomain);
+
+    /**
+     * Called if the id of the tab containing the media changed.
+     * @param tabId the new tab id
+     */
+    void onTabIdChanged(int tabId);
+}