| // 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 { |
| class UsbDevice; |
| } |
| |
| 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<std::unique_ptr<base::DictionaryValue>> GetGrantedObjects( |
| const GURL& requesting_origin, |
| const GURL& embedding_origin) override; |
| std::vector<std::unique_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, |
| scoped_refptr<const device::UsbDevice> device); |
| |
| private: |
| // ChooserContextBase implementation. |
| bool IsValidObject(const base::DictionaryValue& object) override; |
| |
| // device::UsbService::Observer implementation. |
| void OnDeviceRemoved(scoped_refptr<device::UsbDevice> device) override; |
| |
| bool is_incognito_; |
| 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_ |