ScreenCapture for Android phase1, part II

chrome/browser/android/tab_web_contents_delegate_android.cc

 // Copyright 2012 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 "chrome/browser/android/tab_web_contents_delegate_android.h"
 
 #include <stddef.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 451 matching lines @@
       ->OnRendererResponsive();
   infobar_service->RemoveInfoBar(hung_renderer_infobar);
 }
 
 jboolean IsCapturingAudio(JNIEnv* env,
                           const JavaParamRef<jclass>& clazz,
                           const JavaParamRef<jobject>& java_web_contents) {
   content::WebContents* web_contents =
       content::WebContents::FromJavaWebContents(java_web_contents);
   scoped_refptr<MediaStreamCaptureIndicator> indicator =
-      MediaCaptureDevicesDispatcher::GetInstance()->
-          GetMediaStreamCaptureIndicator();
+      MediaCaptureDevicesDispatcher::GetInstance()
+          ->GetMediaStreamCaptureIndicator();
   return indicator->IsCapturingAudio(web_contents);
 }
 
 jboolean IsCapturingVideo(JNIEnv* env,
                           const JavaParamRef<jclass>& clazz,
                           const JavaParamRef<jobject>& java_web_contents) {
   content::WebContents* web_contents =
       content::WebContents::FromJavaWebContents(java_web_contents);
   scoped_refptr<MediaStreamCaptureIndicator> indicator =
-      MediaCaptureDevicesDispatcher::GetInstance()->
-          GetMediaStreamCaptureIndicator();
+      MediaCaptureDevicesDispatcher::GetInstance()
+          ->GetMediaStreamCaptureIndicator();
   return indicator->IsCapturingVideo(web_contents);
 }
+
+jboolean IsCapturingScreen(JNIEnv* env,
+                           const JavaParamRef<jclass>& clazz,
+                           const JavaParamRef<jobject>& java_web_contents) {
+  content::WebContents* web_contents =
+      content::WebContents::FromJavaWebContents(java_web_contents);
+  scoped_refptr<MediaStreamCaptureIndicator> indicator =
+      MediaCaptureDevicesDispatcher::GetInstance()
+          ->GetMediaStreamCaptureIndicator();
+  return indicator->IsBeingMirrored(web_contents);
+}
+
+void NotifyStopped(JNIEnv* env,
+                   const JavaParamRef<jclass>& clazz,
+                   const JavaParamRef<jobject>& java_web_contents) {
+  content::WebContents* web_contents =
+      content::WebContents::FromJavaWebContents(java_web_contents);

[Ted C, 2016/08/16 00:19:19]

Any chance (in a follow up), you can pull these four methods out of this class
into a new java util class w/ a separate c++ counterpart.  This is getting to be
big enough to justify it imo.

[braveyao, 2016/08/16 23:05:49]

Sure.

+  scoped_refptr<MediaStreamCaptureIndicator> indicator =
+      MediaCaptureDevicesDispatcher::GetInstance()
+          ->GetMediaStreamCaptureIndicator();
+  indicator->NotifyStopped(web_contents);
+}