| // 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_PERMISSION_PROVIDER_H_ |
| #define CHROME_BROWSER_USB_WEB_USB_PERMISSION_PROVIDER_H_ |
| |
| #include <stdint.h> |
| |
| #include "base/memory/weak_ptr.h" |
| #include "device/usb/mojo/permission_provider.h" |
| |
| namespace content { |
| class RenderFrameHost; |
| } |
| |
| class GURL; |
| class UsbChooserContext; |
| |
| // This implementation of the permission provider interface enforces the rules |
| // of the WebUSB permission model. Devices are checked for WebUSB descriptors |
| // granting access to the render frame's current origin as well as permission |
| // granted by the user through a device chooser UI. |
| class WebUSBPermissionProvider : public device::usb::PermissionProvider { |
| public: |
| static bool HasDevicePermission( |
| UsbChooserContext* chooser_context, |
| const GURL& requesting_origin, |
| const GURL& embedding_origin, |
| scoped_refptr<const device::UsbDevice> device); |
| |
| explicit WebUSBPermissionProvider( |
| content::RenderFrameHost* render_frame_host); |
| ~WebUSBPermissionProvider() override; |
| |
| base::WeakPtr<PermissionProvider> GetWeakPtr(); |
| |
| // device::usb::PermissionProvider implementation. |
| bool HasDevicePermission( |
| scoped_refptr<const device::UsbDevice> device) const override; |
| void IncrementConnectionCount() override; |
| void DecrementConnectionCount() override; |
| |
| private: |
| content::RenderFrameHost* const render_frame_host_; |
| base::WeakPtrFactory<PermissionProvider> weak_factory_; |
| }; |
| |
| #endif // CHROME_BROWSER_USB_WEB_USB_PERMISSION_PROVIDER_H_ |