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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.
*/
#include "modules/desktop_capture/linux/x11/window_finder_x11.h"
#include <X11/X.h>
#include <memory>
#include "modules/desktop_capture/linux/x11/window_list_utils.h"
#include "rtc_base/checks.h"
namespace webrtc {
WindowFinderX11::WindowFinderX11(XAtomCache* cache) : cache_(cache) {
RTC_DCHECK(cache_);
}
WindowFinderX11::~WindowFinderX11() = default;
WindowId WindowFinderX11::GetWindowUnderPoint(DesktopVector point) {
WindowId id = kNullWindowId;
GetWindowList(cache_, [&id, this, point](::Window window) {
DesktopRect rect;
if (GetWindowRect(this->cache_->display(), window, &rect) &&
rect.Contains(point)) {
id = window;
return false;
}
return true;
});
return id;
}
// static
std::unique_ptr<WindowFinder> WindowFinder::Create(
const WindowFinder::Options& options) {
if (options.cache == nullptr) {
return nullptr;
}
return std::make_unique<WindowFinderX11>(options.cache);
}
} // namespace webrtc