Move screen capturers from remoting/capturer to media/video/capturer/screen

media/video/capture/screen/screen_capturer.h

 // Copyright (c) 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.
 
-#ifndef REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_H_
-#define REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_H_
+#ifndef MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURER_H_
+#define MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURER_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/shared_memory.h"
+#include "media/base/media_export.h"
 #include "third_party/skia/include/core/SkRegion.h"
 
-namespace remoting {
+namespace media {
 
-class CaptureData;
+class ScreenCaptureData;
 struct MouseCursorShape;
 class SharedBufferFactory;
 
 // Class used to capture video frames asynchronously.
 //
 // The full capture sequence is as follows:
 //
 // (1) Start
 //     This is when pre-capture steps are executed, such as flagging the
 //     display to prevent it from sleeping during a session.
@@ skipping 13 matching lines @@
 //     a capture to calculate the diff from the previous screen, whereas the
 //     Mac version does not.
 //
 // (4) Stop
 //     This is when post-capture steps are executed, such as releasing the
 //     assertion that prevents the display from sleeping.
 //
 // Implementation has to ensure the following guarantees:
 // 1. Double buffering
 //    Since data can be read while another capture action is happening.
-class VideoFrameCapturer {
+class MEDIA_EXPORT ScreenCapturer {
  public:
   // Provides callbacks used by the capturer to pass captured video frames and
   // mouse cursor shapes to the processing pipeline.
   class Delegate {
    public:
     virtual ~Delegate() {}
 
     // Called when a video frame has been captured. |capture_data| describes
     // a captured frame.
     virtual void OnCaptureCompleted(
-        scoped_refptr<CaptureData> capture_data) = 0;
+        scoped_refptr<ScreenCaptureData> capture_data) = 0;
 
     // Called when the cursor shape has changed.
     // TODO(sergeyu): Move cursor shape capturing to a separate class.
     virtual void OnCursorShapeChanged(
         scoped_ptr<MouseCursorShape> cursor_shape) = 0;
   };
 
-  virtual ~VideoFrameCapturer() {}
+  virtual ~ScreenCapturer() {}
 
   // Create platform-specific capturer.
-  static scoped_ptr<VideoFrameCapturer> Create();
+  static scoped_ptr<ScreenCapturer> Create();
 
   // Create platform-specific capturer that uses shared memory buffers.
-  static scoped_ptr<VideoFrameCapturer> CreateWithFactory(
+  static scoped_ptr<ScreenCapturer> CreateWithFactory(
       SharedBufferFactory* shared_buffer_factory);
 
 #if defined(OS_LINUX)
-  // Set whether the VideoFrameCapturer should try to use X DAMAGE support if it
-  // is available. This needs to be called before the VideoFrameCapturer is
+  // Set whether the ScreenCapturer should try to use X DAMAGE support if it
+  // is available. This needs to be called before the ScreenCapturer is
   // created.
   // This is used by the Virtual Me2Me host, since the XDamage extension is
   // known to work reliably in this case.
 
   // TODO(lambroslambrou): This currently sets a global flag, referenced during
-  // VideoFrameCapturer::Create().  This is a temporary solution, until the
+  // ScreenCapturer::Create().  This is a temporary solution, until the
   // DesktopEnvironment class is refactored to allow applications to control
-  // the creation of various stubs (including the VideoFrameCapturer) - see
+  // the creation of various stubs (including the ScreenCapturer) - see
   // http://crbug.com/104544
   static void EnableXDamage(bool enable);
 #endif  // defined(OS_LINUX)
 
   // Called at the beginning of a capturing session. |delegate| must remain
   // valid until Stop() is called.
   virtual void Start(Delegate* delegate) = 0;
 
   // Called at the end of a capturing session.
   virtual void Stop() = 0;
 
   // Invalidates the specified region.
   virtual void InvalidateRegion(const SkRegion& invalid_region) = 0;
 
   // Captures the screen data associated with each of the accumulated
   // dirty region. When the capture is complete, the delegate is notified even
   // if the dirty region is empty.
   //
   // It is OK to call this method while another thread is reading
   // data of the previous capture. There can be at most one concurrent read
   // going on when this method is called.
   virtual void CaptureFrame() = 0;
 };
 
-}  // namespace remoting
+}  // namespace media
 
-#endif  // REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_H_
+#endif  // MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURER_H_