[Android] A prototype of the interactive media notification.

chrome/browser/android/chrome_web_contents_delegate_android.cc

Index: chrome/browser/android/chrome_web_contents_delegate_android.cc
diff --git a/chrome/browser/android/chrome_web_contents_delegate_android.cc b/chrome/browser/android/chrome_web_contents_delegate_android.cc
index 7867ae17c1060cff6fe50d4955f6674dbd051156..cb75ad72b4832dccb626df3a83480fa170d0c61b 100644
--- a/chrome/browser/android/chrome_web_contents_delegate_android.cc
+++ b/chrome/browser/android/chrome_web_contents_delegate_android.cc
@@ -24,6 +24,7 @@
 #include "chrome/browser/ui/tab_helpers.h"
 #include "chrome/common/chrome_switches.h"
 #include "components/app_modal/javascript_dialog_manager.h"
+#include "content/public/browser/android/media_controls_delegate.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
@@ -352,6 +353,24 @@ void ChromeWebContentsDelegateAndroid::AddNewContents(
     delete new_contents;
 }
 
+
+void ChromeWebContentsDelegateAndroid::UpdateMediaControls(
+    WebContents* web_contents) {
+  DCHECK(web_contents);
+
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
+  if (obj.is_null())
+    return;
+
+  content::MediaControlsDelegate* delegate =
+      web_contents->GetMediaControlsDelegate();
+  jboolean jis_controllable = delegate->IsControllable();
+  jboolean jis_paused = delegate->IsPaused();
+  Java_ChromeWebContentsDelegateAndroid_updateMediaControls(
+      env, obj.obj(), jis_controllable, jis_paused);
+}
+
 }  // namespace android
 }  // namespace chrome
 
@@ -384,3 +403,23 @@ jboolean HasAudibleAudio(JNIEnv* env,
       content::WebContents::FromJavaWebContents(java_web_contents);
   return web_contents->WasRecentlyAudible();
 }
+
+void OnMediaControlsPause(
+    JNIEnv* env, jclass clazz, jobject java_web_contents) {
+  content::WebContents* web_contents =
+      content::WebContents::FromJavaWebContents(java_web_contents);
+  content::MediaControlsDelegate* delegate =
+      web_contents->GetMediaControlsDelegate();
+  if (delegate)
+    delegate->OnControlsPause();
+}
+
+void OnMediaControlsResume(
+    JNIEnv* env, jclass clazz, jobject java_web_contents) {
+  content::WebContents* web_contents =
+      content::WebContents::FromJavaWebContents(java_web_contents);
+  content::MediaControlsDelegate* delegate =
+      web_contents->GetMediaControlsDelegate();
+  if (delegate)
+    delegate->OnControlsResume();
+}