chrome/browser/usb/web_usb_chooser_service.h

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_USB_WEB_USB_CHOOSER_SERVICE_H_
#define CHROME_BROWSER_USB_WEB_USB_CHOOSER_SERVICE_H_

#include <vector>

#include "base/macros.h"
#include "components/bubble/bubble_reference.h"
#include "device/usb/public/mojom/chooser_service.mojom.h"
#include "mojo/public/cpp/bindings/binding_set.h"
#include "mojo/public/cpp/bindings/interface_request.h"

namespace content {
class RenderFrameHost;
}

class UsbChooserController;

// Implementation of the public device::usb::ChooserService interface.
// This interface can be used by a webpage to request permission from user
// to access a certain device.
class WebUsbChooserService : public device::mojom::UsbChooserService {
 public:
  explicit WebUsbChooserService(content::RenderFrameHost* render_frame_host);

  ~WebUsbChooserService() override;

  // device::mojom::UsbChooserService implementation
  void GetPermission(
      std::vector<device::mojom::UsbDeviceFilterPtr> device_filters,
      GetPermissionCallback callback) override;

  void Bind(device::mojom::UsbChooserServiceRequest request);

  virtual void ShowChooser(
      std::unique_ptr<UsbChooserController> controller) = 0;

  content::RenderFrameHost* render_frame_host() { return render_frame_host_; }

 private:
  content::RenderFrameHost* const render_frame_host_;
  mojo::BindingSet<device::mojom::UsbChooserService> bindings_;

  DISALLOW_COPY_AND_ASSIGN(WebUsbChooserService);
};

#endif  // CHROME_BROWSER_USB_WEB_USB_CHOOSER_SERVICE_H_