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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_USB_CHOOSER_CONTEXT_H_
#define CHROME_BROWSER_USB_USB_CHOOSER_CONTEXT_H_
#include <map>
#include <set>
#include <string>
#include <utility>
#include <vector>
#include "base/macros.h"
#include "base/scoped_observer.h"
#include "chrome/browser/permissions/chooser_context_base.h"
#include "device/usb/usb_service.h"
namespace device {
namespace usb {
class DeviceInfo;
}
}
class UsbChooserContext : public ChooserContextBase,
public device::UsbService::Observer {
public:
explicit UsbChooserContext(Profile* profile);
~UsbChooserContext() override;
// These methods from ChooserContextBase are overridden in order to expose
// ephemeral devices through the public interface.
std::vector<scoped_ptr<base::DictionaryValue>> GetGrantedObjects(
const GURL& requesting_origin,
const GURL& embedding_origin) override;
std::vector<scoped_ptr<ChooserContextBase::Object>> GetAllGrantedObjects()
override;
void RevokeObjectPermission(const GURL& requesting_origin,
const GURL& embedding_origin,
const base::DictionaryValue& object) override;
// Grants |requesting_origin| access to the USB device known to
// device::UsbService as |guid|.
void GrantDevicePermission(const GURL& requesting_origin,
const GURL& embedding_origin,
const std::string& guid);
// Checks if |requesting_origin| (when embedded within |embedding_origin| has
// access to a device with |device_info|.
bool HasDevicePermission(const GURL& requesting_origin,
const GURL& embedding_origin,
const device::usb::DeviceInfo& device_info);
private:
// ChooserContextBase implementation.
bool IsValidObject(const base::DictionaryValue& object) override;
// device::UsbService::Observer implementation.
void OnDeviceRemoved(scoped_refptr<device::UsbDevice> device) override;
bool is_off_the_record_;
std::map<std::pair<GURL, GURL>, std::set<std::string>> ephemeral_devices_;
device::UsbService* usb_service_;
ScopedObserver<device::UsbService, device::UsbService::Observer> observer_;
DISALLOW_COPY_AND_ASSIGN(UsbChooserContext);
};
#endif // CHROME_BROWSER_USB_USB_CHOOSER_CONTEXT_H_
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