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 #include "extensions/browser/api/usb/usb_device_resource.h" 6 7 #include <string> 8 #include <vector> 9 10 #include "base/bind.h" 11 #include "base/bind_helpers.h" 12 #include "base/synchronization/lock.h" 13 #include "components/usb_service/usb_device_handle.h" 14 #include "content/public/browser/browser_thread.h" 15 #include "extensions/browser/api/api_resource.h" 16 #include "extensions/common/api/usb.h" 17 18 using content::BrowserThread; 19 using usb_service::UsbDeviceHandle; 20 21 namespace extensions { 22 23 static base::LazyInstance< 24 BrowserContextKeyedAPIFactory<ApiResourceManager<UsbDeviceResource> > > 25 g_factory = LAZY_INSTANCE_INITIALIZER; 26 27 // static 28 template <> 29 BrowserContextKeyedAPIFactory<ApiResourceManager<UsbDeviceResource> >* GetFactoryInstance()30ApiResourceManager<UsbDeviceResource>::GetFactoryInstance() { 31 return g_factory.Pointer(); 32 } 33 UsbDeviceResource(const std::string & owner_extension_id,scoped_refptr<UsbDeviceHandle> device)34UsbDeviceResource::UsbDeviceResource(const std::string& owner_extension_id, 35 scoped_refptr<UsbDeviceHandle> device) 36 : ApiResource(owner_extension_id), device_(device) { 37 } 38 ~UsbDeviceResource()39UsbDeviceResource::~UsbDeviceResource() { 40 BrowserThread::PostTask(BrowserThread::FILE, 41 FROM_HERE, 42 base::Bind(&UsbDeviceHandle::Close, device_)); 43 } 44 45 } // namespace extensions 46