Image Capture: MediaStreamTrack::applyConstraints()

third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011 Ericsson AB. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 #ifndef MediaStreamTrack_h
 #define MediaStreamTrack_h
 
+#include <memory>
 #include "bindings/core/v8/ActiveScriptWrappable.h"
+#include "bindings/core/v8/ScriptPromise.h"
 #include "core/dom/ContextLifecycleObserver.h"
 #include "modules/EventTargetModules.h"
 #include "modules/ModulesExport.h"
 #include "platform/mediastream/MediaStreamDescriptor.h"
 #include "platform/mediastream/MediaStreamSource.h"
 #include "public/platform/WebMediaConstraints.h"
 #include "wtf/Forward.h"
-#include <memory>
 
 namespace blink {
 
 class AudioSourceProvider;
 class ExceptionState;
 class ImageCapture;
 class MediaTrackCapabilities;
 class MediaTrackConstraints;
 class MediaStream;
 class MediaTrackSettings;
@@ skipping 21 matching lines @@
   bool muted() const;
 
   String contentHint() const;
   void setContentHint(const String&);
 
   String readyState() const;
 
   void stopTrack(ExceptionState&);
   virtual MediaStreamTrack* clone(ScriptState*);
 
-  void getConstraints(MediaTrackConstraints&);
-
   // This function is called when constrains have been successfully applied.
   // Called from UserMediaRequest when it succeeds. It is not IDL-exposed.
   void setConstraints(const WebMediaConstraints&);
 
   void getCapabilities(MediaTrackCapabilities&);
+  void getConstraints(MediaTrackConstraints&);
   void getSettings(MediaTrackSettings&);
+  ScriptPromise applyConstraints(ScriptState*, const MediaTrackConstraints&);
 
   DEFINE_ATTRIBUTE_EVENT_LISTENER(mute);
   DEFINE_ATTRIBUTE_EVENT_LISTENER(unmute);
   DEFINE_ATTRIBUTE_EVENT_LISTENER(ended);
 
   MediaStreamComponent* component() { return m_component; }
   bool ended() const;
 
   void registerMediaStream(MediaStream*);
   void unregisterMediaStream(MediaStream*);
@@ skipping 29 matching lines @@
   Member<MediaStreamComponent> m_component;
   WebMediaConstraints m_constraints;
   Member<ImageCapture> m_imageCapture;
 };
 
 typedef HeapVector<Member<MediaStreamTrack>> MediaStreamTrackVector;
 
 }  // namespace blink
 
 #endif  // MediaStreamTrack_h