Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 78 insertions, 0 deletions

diff --git a/third_party/libwebrtc/modules/desktop_capture/win/window_capturer_win_gdi.h b/third_party/libwebrtc/modules/desktop_capture/win/window_capturer_win_gdi.h
new file mode 100644
index 0000000000..bf94dfe192
--- /dev/null
+++ b/third_party/libwebrtc/modules/desktop_capture/win/window_capturer_win_gdi.h
@@ -0,0 +1,78 @@
+/*
+ *  Copyright (c) 2020 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_WIN_WINDOW_CAPTURER_WIN_GDI_H_
+#define MODULES_DESKTOP_CAPTURE_WIN_WINDOW_CAPTURER_WIN_GDI_H_
+
+#include <map>
+#include <memory>
+#include <vector>
+
+#include "modules/desktop_capture/desktop_capture_options.h"
+#include "modules/desktop_capture/desktop_capturer.h"
+#include "modules/desktop_capture/win/window_capture_utils.h"
+#include "modules/desktop_capture/window_finder_win.h"
+
+namespace webrtc {
+
+class WindowCapturerWinGdi : public DesktopCapturer {
+ public:
+  explicit WindowCapturerWinGdi(bool enumerate_current_process_windows);
+
+  // Disallow copy and assign
+  WindowCapturerWinGdi(const WindowCapturerWinGdi&) = delete;
+  WindowCapturerWinGdi& operator=(const WindowCapturerWinGdi&) = delete;
+
+  ~WindowCapturerWinGdi() override;
+
+  static std::unique_ptr<DesktopCapturer> CreateRawWindowCapturer(
+      const DesktopCaptureOptions& options);
+
+  // DesktopCapturer interface.
+  void Start(Callback* callback) override;
+  void CaptureFrame() override;
+  bool GetSourceList(SourceList* sources) override;
+  bool SelectSource(SourceId id) override;
+  bool FocusOnSelectedSource() override;
+  bool IsOccluded(const DesktopVector& pos) override;
+
+ private:
+  struct CaptureResults {
+    Result result;
+    std::unique_ptr<DesktopFrame> frame;
+  };
+
+  CaptureResults CaptureFrame(bool capture_owned_windows);
+
+  Callback* callback_ = nullptr;
+
+  // HWND and HDC for the currently selected window or nullptr if window is not
+  // selected.
+  HWND window_ = nullptr;
+
+  DesktopSize previous_size_;
+
+  WindowCaptureHelperWin window_capture_helper_;
+
+  bool enumerate_current_process_windows_;
+
+  // This map is used to avoid flickering for the case when SelectWindow() calls
+  // are interleaved with Capture() calls.
+  std::map<HWND, DesktopSize> window_size_map_;
+
+  WindowFinderWin window_finder_;
+
+  std::vector<HWND> owned_windows_;
+  std::unique_ptr<WindowCapturerWinGdi> owned_window_capturer_;
+};
+
+}  // namespace webrtc
+
+#endif  // MODULES_DESKTOP_CAPTURE_WIN_WINDOW_CAPTURER_WIN_GDI_H_