src/remoting/host/desktop_shape_tracker.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef REMOTING_HOST_DESKTOP_SHAPE_TRACKER_H_
   6 #define REMOTING_HOST_DESKTOP_SHAPE_TRACKER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9
  10 namespace webrtc {
  11 class DesktopCaptureOptions;
  12 class DesktopRegion;
  13 }  // namespace webrtc
  14
  15 namespace remoting {
  16
  17 // Tracks changes in the area of the desktop that is occupied by windows.
  18 class DesktopShapeTracker {
  19  public:
  20   static scoped_ptr<DesktopShapeTracker> Create(
  21       webrtc::DesktopCaptureOptions options);
  22
  23   DesktopShapeTracker() {}
  24   virtual ~DesktopShapeTracker() {}
  25
  26   // Recalculates the desktop shape, as returned by desktop_shape();
  27   virtual void RefreshDesktopShape() = 0;
  28
  29   // Returns a reference to the most recently capture desktop shape.
  30   virtual const webrtc::DesktopRegion& desktop_shape() = 0;
  31
  32  private:
  33   DISALLOW_COPY_AND_ASSIGN(DesktopShapeTracker);
  34 };
  35
  36 }  // namespace remoting
  37
  38 #endif  // REMOTING_HOST_DESKTOP_SHAPE_TRACKER_H_