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/*
* Copyright 2018 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef MODULES_DESKTOP_CAPTURE_LINUX_X11_WINDOW_CAPTURER_X11_H_
#define MODULES_DESKTOP_CAPTURE_LINUX_X11_WINDOW_CAPTURER_X11_H_
#include <X11/X.h>
#include <X11/Xlib.h>
#include <memory>
#include <string>
#include "api/scoped_refptr.h"
#include "modules/desktop_capture/desktop_capture_options.h"
#include "modules/desktop_capture/desktop_capturer.h"
#include "modules/desktop_capture/desktop_geometry.h"
#include "modules/desktop_capture/linux/x11/shared_x_display.h"
#include "modules/desktop_capture/linux/x11/window_finder_x11.h"
#include "modules/desktop_capture/linux/x11/x_atom_cache.h"
#include "modules/desktop_capture/linux/x11/x_server_pixel_buffer.h"
namespace webrtc {
class WindowCapturerX11 : public DesktopCapturer,
public SharedXDisplay::XEventHandler {
public:
explicit WindowCapturerX11(const DesktopCaptureOptions& options);
~WindowCapturerX11() override;
WindowCapturerX11(const WindowCapturerX11&) = delete;
WindowCapturerX11& operator=(const WindowCapturerX11&) = delete;
static std::unique_ptr<DesktopCapturer> CreateRawWindowCapturer(
const DesktopCaptureOptions& options);
// DesktopCapturer interface.
void Start(Callback* callback) override;
void CaptureFrame() override;
bool GetSourceList(SourceList* sources) override;
bool SelectSource(SourceId id) override;
bool FocusOnSelectedSource() override;
bool IsOccluded(const DesktopVector& pos) override;
// SharedXDisplay::XEventHandler interface.
bool HandleXEvent(const XEvent& event) override;
private:
Display* display() { return x_display_->display(); }
// Returns window title for the specified X `window`.
bool GetWindowTitle(::Window window, std::string* title);
Callback* callback_ = nullptr;
scoped_refptr<SharedXDisplay> x_display_;
bool has_composite_extension_ = false;
::Window selected_window_ = 0;
XServerPixelBuffer x_server_pixel_buffer_;
XAtomCache atom_cache_;
WindowFinderX11 window_finder_;
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_LINUX_X11_WINDOW_CAPTURER_X11_H_
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