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// Copyright 2025 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_GLIC_HOST_CONTEXT_GLIC_SCREENSHOT_CAPTURER_H_
#define CHROME_BROWSER_GLIC_HOST_CONTEXT_GLIC_SCREENSHOT_CAPTURER_H_
#include <memory>
#include <string>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/glic/host/glic.mojom.h"
#include "content/public/browser/desktop_capture.h"
#include "content/public/browser/desktop_media_id.h"
class DesktopMediaPickerController;
namespace glic {
class GlicScreenshotCapturer : public webrtc::DesktopCapturer::Callback {
public:
GlicScreenshotCapturer();
GlicScreenshotCapturer(const GlicScreenshotCapturer&) = delete;
GlicScreenshotCapturer& operator=(const GlicScreenshotCapturer&) = delete;
~GlicScreenshotCapturer() override;
// Called by GlickKeyedService to initiate a screenshot capture. Displays
// Chrome screen picker UI for user to choose from and then runs `callback`
// on completion to return the screenshot data. Anchors picker to
// `parent_window`.
void CaptureScreenshot(
gfx::NativeWindow parent_window,
glic::mojom::WebClientHandler::CaptureScreenshotCallback callback);
// Called to synchronously destroy the screen picker dialog. Used when client
// panel is closed before the screen picker flow completes.
void CloseScreenPicker();
// Exposes the internal ConvertFrameToJpeg() function to unit tests.
static std::vector<uint8_t> ConvertFrameToJpegForTesting(
std::unique_ptr<webrtc::DesktopFrame> frame);
private:
// Callback triggered when user selects a source to capture.
void OnSourceSelected(const std::string& err, content::DesktopMediaID id);
// Called to start the actual screen capture.
void OnCaptureStarted(content::DesktopMediaID id);
// webrtc::DesktopCapturer::Callback:
void OnCaptureResult(webrtc::DesktopCapturer::Result result,
std::unique_ptr<webrtc::DesktopFrame> frame) override;
// Signal captured screenshot back to the client.
void SignalScreenshotResult(std::vector<uint8_t> jpeg_data);
// Signal an error back to the client.
void SignalError(glic::mojom::CaptureScreenshotErrorReason error_reason);
glic::mojom::WebClientHandler::CaptureScreenshotCallback capture_callback_;
webrtc::DesktopSize frame_size_;
std::unique_ptr<DesktopMediaPickerController> picker_controller_;
std::unique_ptr<webrtc::DesktopCapturer> desktop_capturer_;
base::WeakPtrFactory<GlicScreenshotCapturer> weak_ptr_factory_{this};
};
} // namespace glic
#endif // CHROME_BROWSER_GLIC_HOST_CONTEXT_GLIC_SCREENSHOT_CAPTURER_H_
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