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      1 /*
      2  *  Copyright 2010 The WebRTC Project Authors. All rights reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef WEBRTC_BASE_LINUXWINDOWPICKER_H_
     12 #define WEBRTC_BASE_LINUXWINDOWPICKER_H_
     13 
     14 #include "webrtc/base/basictypes.h"
     15 #include "webrtc/base/scoped_ptr.h"
     16 #include "webrtc/base/windowpicker.h"
     17 
     18 // Avoid include <X11/Xlib.h>.
     19 struct _XDisplay;
     20 typedef unsigned long Window;
     21 
     22 namespace rtc {
     23 
     24 class XWindowEnumerator;
     25 
     26 class X11WindowPicker : public WindowPicker {
     27  public:
     28   X11WindowPicker();
     29   ~X11WindowPicker() override;
     30 
     31   static bool IsDesktopElement(_XDisplay* display, Window window);
     32 
     33   bool Init() override;
     34   bool IsVisible(const WindowId& id) override;
     35   bool MoveToFront(const WindowId& id) override;
     36   bool GetWindowList(WindowDescriptionList* descriptions) override;
     37   bool GetDesktopList(DesktopDescriptionList* descriptions) override;
     38   bool GetDesktopDimensions(const DesktopId& id,
     39                             int* width,
     40                             int* height) override;
     41   uint8_t* GetWindowIcon(const WindowId& id, int* width, int* height);
     42   uint8_t* GetWindowThumbnail(const WindowId& id, int width, int height);
     43   int GetNumDesktops();
     44   uint8_t* GetDesktopThumbnail(const DesktopId& id, int width, int height);
     45 
     46  private:
     47   scoped_ptr<XWindowEnumerator> enumerator_;
     48 };
     49 
     50 }  // namespace rtc
     51 
     52 #endif  // WEBRTC_BASE_LINUXWINDOWPICKER_H_
     53