1 // Copyright (c) 2012 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 CHROME_BROWSER_EXTENSIONS_API_USB_USB_DEVICE_RESOURCE_H_ 6 #define CHROME_BROWSER_EXTENSIONS_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 "chrome/browser/extensions/api/api_resource.h" 16 #include "chrome/browser/extensions/api/api_resource_manager.h" 17 #include "chrome/browser/usb/usb_device_handle.h" 18 #include "chrome/common/extensions/api/usb.h" 19 #include "content/public/browser/browser_thread.h" 20 21 class UsbDeviceHandle; 22 23 namespace net { 24 class IOBuffer; 25 } // namespace net 26 27 namespace extensions { 28 29 // A UsbDeviceResource is an ApiResource wrapper for a UsbDevice. 30 class UsbDeviceResource : public ApiResource { 31 public: 32 UsbDeviceResource(const std::string& owner_extension_id, 33 scoped_refptr<UsbDeviceHandle> device); 34 virtual ~UsbDeviceResource(); 35 device()36 scoped_refptr<UsbDeviceHandle> device() { 37 return device_; 38 } 39 40 static const content::BrowserThread::ID kThreadId = 41 content::BrowserThread::FILE; 42 43 private: 44 friend class ApiResourceManager<UsbDeviceResource>; service_name()45 static const char* service_name() { 46 return "UsbDeviceResourceManager"; 47 } 48 49 scoped_refptr<UsbDeviceHandle> device_; 50 51 DISALLOW_COPY_AND_ASSIGN(UsbDeviceResource); 52 }; 53 54 } // namespace extensions 55 56 #endif // CHROME_BROWSER_EXTENSIONS_API_USB_USB_DEVICE_RESOURCE_H_ 57