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/*
* Copyright (c) 2013 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/desktop_capturer.h"
#include "modules/desktop_capture/desktop_frame.h"
#include "rtc_base/checks.h"
namespace webrtc {
namespace {
class WindowCapturerNull : public DesktopCapturer {
public:
WindowCapturerNull();
~WindowCapturerNull() override;
WindowCapturerNull(const WindowCapturerNull&) = delete;
WindowCapturerNull& operator=(const WindowCapturerNull&) = delete;
// DesktopCapturer interface.
void Start(Callback* callback) override;
void CaptureFrame() override;
bool GetSourceList(SourceList* sources) override;
bool SelectSource(SourceId id) override;
private:
Callback* callback_ = nullptr;
};
WindowCapturerNull::WindowCapturerNull() {}
WindowCapturerNull::~WindowCapturerNull() {}
bool WindowCapturerNull::GetSourceList(SourceList* sources) {
// Not implemented yet.
return false;
}
bool WindowCapturerNull::SelectSource(SourceId id) {
// Not implemented yet.
return false;
}
void WindowCapturerNull::Start(Callback* callback) {
RTC_DCHECK(!callback_);
RTC_DCHECK(callback);
callback_ = callback;
}
void WindowCapturerNull::CaptureFrame() {
// Not implemented yet.
callback_->OnCaptureResult(Result::ERROR_TEMPORARY, nullptr);
}
} // namespace
// static
std::unique_ptr<DesktopCapturer> DesktopCapturer::CreateRawWindowCapturer(
const DesktopCaptureOptions& options) {
return std::unique_ptr<DesktopCapturer>(new WindowCapturerNull());
}
} // namespace webrtc
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