Files
platform-external-webrtc/modules/desktop_capture/window_finder.h
Zijie He 411582b13a [Window Capturer] Implement scaling in GetWindowBounds()
On Mac OSX system, if retina screen is used, the GetWindowBounds() returns
pre-scaled values instead of system coordinates. So this fix considers
per-monitor scale-factor, and stretchs the DesktopRect.

Bug: chromium:778049
Change-Id: I9dc51e08235eba9b3ef6378eaa15737aa444b0c8
Reviewed-on: https://webrtc-review.googlesource.com/17600
Commit-Queue: Zijie He <zijiehe@chromium.org>
Reviewed-by: Jamie Walch <jamiewalch@chromium.org>
Cr-Commit-Position: refs/heads/master@{#20578}
2017-11-07 01:49:35 +00:00

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2.1 KiB
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/*
* Copyright (c) 2017 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_WINDOW_FINDER_H_
#define MODULES_DESKTOP_CAPTURE_WINDOW_FINDER_H_
#include <memory>
#include "modules/desktop_capture/desktop_capture_types.h"
#include "modules/desktop_capture/desktop_geometry.h"
#include "rtc_base/scoped_ref_ptr.h"
#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
#include "modules/desktop_capture/mac/desktop_configuration_monitor.h"
#endif
namespace webrtc {
#if defined(USE_X11)
class XAtomCache;
#endif
// An interface to return the id of the visible window under a certain point.
class WindowFinder {
public:
WindowFinder() = default;
virtual ~WindowFinder() = default;
// Returns the id of the visible window under |point|. This function returns
// kNullWindowId if no window is under |point| and the platform does not have
// "root window" concept, i.e. the visible area under |point| is the desktop.
// |point| is always in system coordinate, i.e. the primary monitor always
// starts from (0, 0).
virtual WindowId GetWindowUnderPoint(DesktopVector point) = 0;
struct Options final {
Options();
~Options();
Options(const Options& other);
Options(Options&& other);
#if defined(USE_X11)
XAtomCache* cache = nullptr;
#endif
#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
rtc::scoped_refptr<DesktopConfigurationMonitor> configuration_monitor;
#endif
};
// Creates a platform-independent WindowFinder implementation. This function
// returns nullptr if |options| does not contain enough information or
// WindowFinder does not support current platform.
static std::unique_ptr<WindowFinder> Create(const Options& options);
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_WINDOW_FINDER_H_