Files
platform-external-webrtc/webrtc/modules/desktop_capture/window_finder_mac.h
Zijie He 12827113a1 Use WindowFinder in WindowCapturer to detect IsOccluded()
In this change,
bool DesktopCapturer::IsOccluded(const DesktopVector& pos);
is added to DesktopCapturer interface. This function returns true if the |pos|
is hidden by other elements on the display.

The function expects to return false for ScreenCapturer implementations:
everything is visible on the screen.

In WindowCapturer implementations, WindowFinder is expected to be used to help
detect the WindowId under |pos|. If the window_id_ equals to the window id
returned by WindowFinder, this function returns false.

To ensure the correct coordinate is used, a comment is also added to
WindowFinder::GetWindowUnderPoint() function. Considering it's used only in
desktop_capture module, using system coordinate is simpler.

Bug: webrtc:7950
Change-Id: I8ac4fbd5f4a612388f1593907805cfb2c359f70f
Reviewed-on: https://chromium-review.googlesource.com/636784
Reviewed-by: Jamie Walch <jamiewalch@chromium.org>
Commit-Queue: Zijie He <zijiehe@chromium.org>
Cr-Commit-Position: refs/heads/master@{#19590}
2017-08-29 20:43:56 +00:00

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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 WEBRTC_MODULES_DESKTOP_CAPTURE_WINDOW_FINDER_MAC_H_
#define WEBRTC_MODULES_DESKTOP_CAPTURE_WINDOW_FINDER_MAC_H_
#include "webrtc/modules/desktop_capture/window_finder.h"
namespace webrtc {
// The implementation of WindowFinder for Mac OSX.
class WindowFinderMac final : public WindowFinder {
public:
WindowFinderMac();
~WindowFinderMac() override;
// WindowFinder implementation.
WindowId GetWindowUnderPoint(DesktopVector point) override;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_DESKTOP_CAPTURE_WINDOW_FINDER_MAC_H_