Upstream Chrome for Android Cast.

chrome/android/java/src/org/chromium/chrome/browser/media/remote/RecordCastAction.java

Index: chrome/android/java/src/org/chromium/chrome/browser/media/remote/RecordCastAction.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/media/remote/RecordCastAction.java b/chrome/android/java/src/org/chromium/chrome/browser/media/remote/RecordCastAction.java
new file mode 100644
index 0000000000000000000000000000000000000000..7ee6c05775e09cf3ebd912ff752009491439198a
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/media/remote/RecordCastAction.java
@@ -0,0 +1,90 @@
+// Copyright 2014 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.remote;
+
+import org.chromium.base.JNINamespace;
+import org.chromium.base.library_loader.LibraryLoader;
+
+/**
+ * Record statistics on interesting cast events and actions.
+ */
+@JNINamespace("remote_media")
+public class RecordCastAction {
+
+    // UMA histogram values for the device types the user could select.
+    // Keep in sync with the enum in uma_record_action.cc
+    public static final int DEVICE_TYPE_CAST_GENERIC = 0;
+    public static final int DEVICE_TYPE_CAST_YOUTUBE = 1;
+    public static final int DEVICE_TYPE_NON_CAST_YOUTUBE = 2;
+    public static final int DEVICE_TYPE_COUNT = 3;
+
+    /**
+     * Record the type of cast receiver we to which we are casting.
+     * @param playerType the type of cast receiver.
+     */
+    public static void remotePlaybackDeviceSelected(int playerType) {
+        assert playerType >= 0
+                && playerType < RecordCastAction.DEVICE_TYPE_COUNT;
+        if (LibraryLoader.isInitialized()) nativeRecordRemotePlaybackDeviceSelected(playerType);
+    }
+
+    /**
+     * Record that a remote playback was requested. This is intended to record all playback
+     * requests, whether they were user initiated or was an auto-playback resulting from the user
+     * selecting the device initially.
+     */
+    public static void castPlayRequested() {
+        if (LibraryLoader.isInitialized()) nativeRecordCastPlayRequested();
+    }
+
+    /**
+     * Record the result of the cast playback request.
+     *
+     * @param castSucceeded true if the playback succeeded, false if there was an error
+     */
+    public static void castDefaultPlayerResult(boolean castSucceeded) {
+        if (LibraryLoader.isInitialized()) nativeRecordCastDefaultPlayerResult(castSucceeded);
+    }
+
+    /**
+     * Record the result of casting a YouTube video.
+     *
+     * @param castSucceeded true if the playback succeeded, false if there was an error
+     */
+    public static void castYouTubePlayerResult(boolean castSucceeded) {
+        if (LibraryLoader.isInitialized()) nativeRecordCastYouTubePlayerResult(castSucceeded);
+    }
+
+    /**
+     * Record the amount of time remaining on the video when the remote playback stops.
+     *
+     * @param videoLengthMs the total length of the video in milliseconds
+     * @param timeRemainingMs the remaining time in the video in milliseconds
+     */
+    public static void castEndedTimeRemaining(int videoLengthMs, int timeRemainingMs) {
+        if (LibraryLoader.isInitialized()) {
+            nativeRecordCastEndedTimeRemaining(videoLengthMs, timeRemainingMs);
+        }
+    }
+
+    /**
+     * Record the type of the media being cast.
+     *
+     * @param mediaType the type of the media being casted, see media/base/container_names.h for
+     *            possible media types.
+     */
+    public static void castMediaType(int mediaType) {
+        if (LibraryLoader.isInitialized()) nativeRecordCastMediaType(mediaType);
+    }
+
+    // Cast sending
+    private static native void nativeRecordRemotePlaybackDeviceSelected(int deviceType);
+    private static native void nativeRecordCastPlayRequested();
+    private static native void nativeRecordCastDefaultPlayerResult(boolean castSucceeded);
+    private static native void nativeRecordCastYouTubePlayerResult(boolean castSucceeded);
+    private static native void nativeRecordCastEndedTimeRemaining(
+            int videoLengthMs, int timeRemainingMs);
+    private static native void nativeRecordCastMediaType(int mediaType);
+}