chromium/third_party/webrtc/modules/desktop_capture/linux/x11/mouse_cursor_monitor_x11.cc

/*
 *  Copyright (c) 2013 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.
 */

#include "modules/desktop_capture/linux/x11/mouse_cursor_monitor_x11.h"

#include <X11/Xlib.h>
#include <X11/extensions/Xfixes.h>
#include <X11/extensions/xfixeswire.h>
#include <stddef.h>
#include <stdint.h>

#include <algorithm>
#include <memory>

#include "modules/desktop_capture/desktop_capture_options.h"
#include "modules/desktop_capture/desktop_capture_types.h"
#include "modules/desktop_capture/desktop_frame.h"
#include "modules/desktop_capture/desktop_geometry.h"
#include "modules/desktop_capture/linux/x11/x_error_trap.h"
#include "modules/desktop_capture/mouse_cursor.h"
#include "modules/desktop_capture/mouse_cursor_monitor.h"
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"

namespace {

// WindowCapturer returns window IDs of X11 windows with WM_STATE attribute.
// These windows may not be immediate children of the root window, because
// window managers may re-parent them to add decorations. However,
// XQueryPointer() expects to be passed children of the root. This function
// searches up the list of the windows to find the root child that corresponds
// to `window`.
Window GetTopLevelWindow(Display* display, Window window) { … }

}  // namespace

namespace webrtc {

MouseCursorMonitorX11::MouseCursorMonitorX11(
    const DesktopCaptureOptions& options,
    Window window)
    : … { … }

MouseCursorMonitorX11::~MouseCursorMonitorX11() { … }

void MouseCursorMonitorX11::Init(Callback* callback, Mode mode) { … }

void MouseCursorMonitorX11::Capture() { … }

bool MouseCursorMonitorX11::HandleXEvent(const XEvent& event) { … }

void MouseCursorMonitorX11::CaptureCursor() { … }

// static
MouseCursorMonitor* MouseCursorMonitorX11::CreateForWindow(
    const DesktopCaptureOptions& options,
    WindowId window) { … }

MouseCursorMonitor* MouseCursorMonitorX11::CreateForScreen(
    const DesktopCaptureOptions& options,
    ScreenId screen) { … }

std::unique_ptr<MouseCursorMonitor> MouseCursorMonitorX11::Create(
    const DesktopCaptureOptions& options) { … }

}  // namespace webrtc