blob: f1ede97ae7a293d0223422de678d19da8b4181ee [file] [log] [blame]
* 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.
#include <memory>
#include "webrtc/modules/desktop_capture/desktop_capture_types.h"
#include "webrtc/modules/desktop_capture/desktop_geometry.h"
namespace webrtc {
#if defined(USE_X11)
class XAtomCache;
// An interface to return the id of the visible window under a certain point.
class WindowFinder {
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 {
#if defined(USE_X11)
XAtomCache* cache = nullptr;
// 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