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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_HOST_DESKTOP_AND_CURSOR_CONDITIONAL_COMPOSER_H_
#define REMOTING_HOST_DESKTOP_AND_CURSOR_CONDITIONAL_COMPOSER_H_
#include <memory>
#include "base/functional/callback.h"
#include "remoting/protocol/desktop_capturer.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_and_cursor_composer.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_capture_metadata.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h"
#include "third_party/webrtc/modules/desktop_capture/mouse_cursor.h"
#include "third_party/webrtc/modules/desktop_capture/shared_memory.h"
namespace remoting {
// A wrapper for DesktopAndCursorComposer that allows compositing of the cursor
// to be enabled and disabled.
class DesktopAndCursorConditionalComposer : public DesktopCapturer {
public:
explicit DesktopAndCursorConditionalComposer(
std::unique_ptr<DesktopCapturer> desktop_capturer);
~DesktopAndCursorConditionalComposer() override;
// DesktopCapturer interface.
void Start(webrtc::DesktopCapturer::Callback* callback) override;
void SetSharedMemoryFactory(std::unique_ptr<webrtc::SharedMemoryFactory>
shared_memory_factory) override;
void CaptureFrame() override;
void SetExcludedWindow(webrtc::WindowId window) override;
bool GetSourceList(SourceList* sources) override;
bool SelectSource(SourceId id) override;
bool FocusOnSelectedSource() override;
bool IsOccluded(const webrtc::DesktopVector& pos) override;
void SetComposeEnabled(bool enabled) override;
void SetMouseCursor(
std::unique_ptr<webrtc::MouseCursor> mouse_cursor) override;
void SetMouseCursorPosition(const webrtc::DesktopVector& position) override;
void SetMaxFrameRate(uint32_t max_frame_rate) override;
#if defined(WEBRTC_USE_GIO)
void GetMetadataAsync(base::OnceCallback<void(webrtc::DesktopCaptureMetadata)>
callback) override;
#endif
private:
DesktopAndCursorConditionalComposer(
const DesktopAndCursorConditionalComposer&) = delete;
DesktopAndCursorConditionalComposer& operator=(
const DesktopAndCursorConditionalComposer&) = delete;
std::unique_ptr<webrtc::MouseCursor> mouse_cursor_;
bool compose_enabled_ = false;
#if defined(WEBRTC_USE_GIO)
// Following pointer is not owned by |this| class.
raw_ptr<DesktopCapturer> desktop_capturer_ = nullptr;
#endif
std::unique_ptr<webrtc::DesktopAndCursorComposer> capturer_;
};
} // namespace remoting
#endif // REMOTING_HOST_DESKTOP_AND_CURSOR_CONDITIONAL_COMPOSER_H_
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