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// 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 "device/usb/public/interfaces/permission_provider.mojom.h"
#include "mojo/public/cpp/bindings/array.h"
#include "mojo/public/cpp/bindings/interface_request.h"
#include "mojo/public/cpp/bindings/weak_binding_set.h"
namespace content {
class RenderFrameHost;
}
// 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:
explicit WebUSBPermissionProvider(
content::RenderFrameHost* render_frame_host);
~WebUSBPermissionProvider() override;
// device::usb::PermissionProvider implementation.
void HasDevicePermission(
mojo::Array<device::usb::DeviceInfoPtr> requested_devices,
const HasDevicePermissionCallback& callback) override;
void HasConfigurationPermission(
uint8_t requested_configuration,
device::usb::DeviceInfoPtr device,
const HasInterfacePermissionCallback& callback) override;
void HasInterfacePermission(
uint8_t requested_interface,
uint8_t configuration_value,
device::usb::DeviceInfoPtr device,
const HasInterfacePermissionCallback& callback) override;
void Bind(
mojo::InterfaceRequest<device::usb::PermissionProvider> request) override;
private:
mojo::WeakBindingSet<PermissionProvider> bindings_;
content::RenderFrameHost* const render_frame_host_;
};
#endif // CHROME_BROWSER_USB_WEB_USB_PERMISSION_PROVIDER_H_
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