1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef EXTENSIONS_BROWSER_API_USB_USB_DEVICE_RESOURCE_H_ 6 #define EXTENSIONS_BROWSER_API_USB_USB_DEVICE_RESOURCE_H_ 7 8 #include <set> 9 #include <string> 10 11 #include "base/basictypes.h" 12 #include "base/memory/linked_ptr.h" 13 #include "base/memory/ref_counted.h" 14 #include "base/synchronization/lock.h" 15 #include "components/usb_service/usb_device_handle.h" 16 #include "content/public/browser/browser_thread.h" 17 #include "extensions/browser/api/api_resource.h" 18 #include "extensions/browser/api/api_resource_manager.h" 19 #include "extensions/common/api/usb.h" 20 21 namespace net { 22 class IOBuffer; 23 } // namespace net 24 25 namespace extensions { 26 27 // A UsbDeviceResource is an ApiResource wrapper for a UsbDevice. 28 class UsbDeviceResource : public ApiResource { 29 public: 30 UsbDeviceResource(const std::string& owner_extension_id, 31 scoped_refptr<usb_service::UsbDeviceHandle> device); 32 virtual ~UsbDeviceResource(); 33 device()34 scoped_refptr<usb_service::UsbDeviceHandle> device() { return device_; } 35 36 static const content::BrowserThread::ID kThreadId = 37 content::BrowserThread::FILE; 38 39 private: 40 friend class ApiResourceManager<UsbDeviceResource>; service_name()41 static const char* service_name() { return "UsbDeviceResourceManager"; } 42 43 scoped_refptr<usb_service::UsbDeviceHandle> device_; 44 45 DISALLOW_COPY_AND_ASSIGN(UsbDeviceResource); 46 }; 47 48 } // namespace extensions 49 50 #endif // EXTENSIONS_BROWSER_API_USB_USB_DEVICE_RESOURCE_H_ 51