Adding new media controls to MediaNotification

content/browser/android/web_contents_observer_proxy.cc

 // Copyright 2015 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.
 
 #include "content/browser/android/web_contents_observer_proxy.h"
 
 #include <string>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 324 matching lines @@
   ScopedJavaLocalRef<jobject> obj(java_observer_);
   ScopedJavaLocalRef<jobject> j_metadata;
 
   if (metadata.has_value())
     j_metadata = MediaMetadataAndroid::CreateJavaObject(env, metadata.value());
 
   Java_WebContentsObserverProxy_mediaSessionMetadataChanged(env, obj,
                                                             j_metadata);
 }
 
+void WebContentsObserverProxy::MediaSessionEnabledAction(
+    blink::mojom::MediaSessionAction action) {
+  JNIEnv* env = AttachCurrentThread();
+

[boliu, 2016/10/24 17:02:46]

nit: maybe could remove these empty lines? very much personal preference though

[Zhiqiang Zhang (Slow), 2016/10/24 17:33:10]

Done.

+  ScopedJavaLocalRef<jobject> obj(java_observer_);
+
+  Java_WebContentsObserverProxy_mediaSessionEnabledAction(
+      env, obj, static_cast<int>(action));
+}
+
+void WebContentsObserverProxy::MediaSessionDisabledAction(
+    blink::mojom::MediaSessionAction action) {
+  JNIEnv* env = AttachCurrentThread();
+
+  ScopedJavaLocalRef<jobject> obj(java_observer_);
+
+  Java_WebContentsObserverProxy_mediaSessionDisabledAction(
+      env, obj, static_cast<int>(action));
+}
+
 void WebContentsObserverProxy::SetToBaseURLForDataURLIfNeeded(
     std::string* url) {
   NavigationEntry* entry =
       web_contents()->GetController().GetLastCommittedEntry();
   // Note that GetBaseURLForDataURL is only used by the Android WebView.
   // FIXME: Should we only return valid specs and "about:blank" for invalid
   // ones? This may break apps.
   if (entry && !entry->GetBaseURLForDataURL().is_empty()) {
     *url = entry->GetBaseURLForDataURL().possibly_invalid_spec();
   } else if (!base_url_of_last_started_data_url_.is_empty()) {
     // NavigationController can lose the pending entry and recreate it without
     // a base URL if there has been a loadUrl("javascript:...") after
     // loadDataWithBaseUrl.
     *url = base_url_of_last_started_data_url_.possibly_invalid_spec();
   }
 }
 
 bool RegisterWebContentsObserverProxy(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 }  // namespace content