chrome/browser/android/usb/web_usb_chooser_android.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_ANDROID_USB_WEB_USB_CHOOSER_ANDROID_H_
#define CHROME_BROWSER_ANDROID_USB_WEB_USB_CHOOSER_ANDROID_H_

#include <memory>
#include <vector>

#include "base/macros.h"
#include "chrome/browser/usb/web_usb_chooser.h"

class UsbChooserController;
class UsbChooserDialogAndroid;

// Android implementation of the WebUsbChooser interface.
// This interface can be used by a webpage to request permission from user
// to access a certain device.
class WebUsbChooserAndroid : public WebUsbChooser {
 public:
  explicit WebUsbChooserAndroid(content::RenderFrameHost* render_frame_host);
  ~WebUsbChooserAndroid() override;

  // WebUsbChooser implementation
  void ShowChooser(std::unique_ptr<UsbChooserController> controller) override;
  base::WeakPtr<WebUsbChooser> GetWeakPtr() override;

 private:
  void OnDialogClosed();

  // Only a single dialog can be shown at a time.
  std::unique_ptr<UsbChooserDialogAndroid> dialog_;

  base::WeakPtrFactory<WebUsbChooserAndroid> weak_factory_;

  DISALLOW_COPY_AND_ASSIGN(WebUsbChooserAndroid);
};

#endif  // CHROME_BROWSER_ANDROID_USB_WEB_USB_CHOOSER_ANDROID_H_