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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_DEVTOOLS_DEVTOOLS_EYE_DROPPER_H_
#define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_EYE_DROPPER_H_
#include <memory>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "components/viz/host/client_frame_sink_video_capturer.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/web_contents_observer.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "third_party/skia/include/core/SkBitmap.h"
namespace blink {
class WebMouseEvent;
}
class DevToolsEyeDropper : public content::WebContentsObserver,
public viz::mojom::FrameSinkVideoConsumer {
public:
typedef base::RepeatingCallback<void(int, int, int, int)> EyeDropperCallback;
DevToolsEyeDropper(content::WebContents* web_contents,
EyeDropperCallback callback);
DevToolsEyeDropper(const DevToolsEyeDropper&) = delete;
DevToolsEyeDropper& operator=(const DevToolsEyeDropper&) = delete;
~DevToolsEyeDropper() override;
private:
void AttachToHost(content::RenderFrameHost* host);
void DetachFromHost();
// content::WebContentsObserver.
void RenderFrameCreated(content::RenderFrameHost* host) override;
void RenderFrameDeleted(content::RenderFrameHost* host) override;
void RenderFrameHostChanged(content::RenderFrameHost* old_host,
content::RenderFrameHost* new_host) override;
void ResetFrame();
void FrameUpdated(const SkBitmap&);
bool HandleMouseEvent(const blink::WebMouseEvent& event);
void UpdateCursor();
// viz::mojom::FrameSinkVideoConsumer implementation.
void OnFrameCaptured(
::media::mojom::VideoBufferHandlePtr data,
::media::mojom::VideoFrameInfoPtr info,
const gfx::Rect& content_rect,
mojo::PendingRemote<viz::mojom::FrameSinkVideoConsumerFrameCallbacks>
callbacks) override;
void OnNewSubCaptureTargetVersion(
uint32_t sub_capture_target_version) override;
void OnFrameWithEmptyRegionCapture() override;
void OnStopped() override;
void OnLog(const std::string& /*message*/) override {}
EyeDropperCallback callback_;
SkBitmap frame_;
int last_cursor_x_ = -1;
int last_cursor_y_ = -1;
content::RenderWidgetHost::MouseEventCallback mouse_event_callback_;
raw_ptr<content::RenderWidgetHost> host_ = nullptr;
std::unique_ptr<viz::ClientFrameSinkVideoCapturer> video_capturer_;
base::WeakPtrFactory<DevToolsEyeDropper> weak_factory_{this};
};
#endif // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_EYE_DROPPER_H_
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