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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_MEDIA_CAPTURE_DESKTOP_CAPTURER_ASH_H_
#define CONTENT_BROWSER_MEDIA_CAPTURE_DESKTOP_CAPTURER_ASH_H_
#include <optional>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h"
namespace gfx {
class Image;
}
namespace content {
// This class provides snapshots of the desktop for ash-chrome.
// It will capture the specified display, or the root window for new windows if
// display has not been set by SelectSource(SourceId).
//
// `SourceId` as used in GetSourceList(SourceList) and SelectSource(SourceId) is
// defined in `//third_party/webrtc` as an opaque `int64` and is expected to
// match the native identifier for each platform. This class will always use
// display::Display::id().
class DesktopCapturerAsh : public webrtc::DesktopCapturer {
public:
DesktopCapturerAsh();
DesktopCapturerAsh(const DesktopCapturerAsh&) = delete;
DesktopCapturerAsh& operator=(const DesktopCapturerAsh&) = delete;
~DesktopCapturerAsh() override;
// DesktopCapturer:
void Start(Callback* callback) override;
void CaptureFrame() override;
bool GetSourceList(SourceList* sources) override;
bool SelectSource(SourceId id) override;
bool FocusOnSelectedSource() override;
bool IsOccluded(const webrtc::DesktopVector& pos) override;
void SetSharedMemoryFactory(std::unique_ptr<webrtc::SharedMemoryFactory>
shared_memory_factory) override;
void SetExcludedWindow(webrtc::WindowId window) override;
private:
void OnGrabWindowSnapsot(gfx::Image snapshot);
// Display to capture.
std::optional<SourceId> display_id_;
raw_ptr<Callback> callback_ = nullptr;
base::WeakPtrFactory<DesktopCapturerAsh> weak_ptr_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_MEDIA_CAPTURE_DESKTOP_CAPTURER_ASH_H_
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