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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 #include "chrome/browser/extensions/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 "chrome/common/extensions/api/usb.h" | |
14 #include "components/usb_service/usb_device_handle.h" | |
15 #include "content/public/browser/browser_thread.h" | |
16 #include "extensions/browser/api/api_resource.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> >* | |
30 ApiResourceManager<UsbDeviceResource>::GetFactoryInstance() { | |
31 return g_factory.Pointer(); | |
32 } | |
33 | |
34 UsbDeviceResource::UsbDeviceResource(const std::string& owner_extension_id, | |
35 scoped_refptr<UsbDeviceHandle> device) | |
36 : ApiResource(owner_extension_id), device_(device) {} | |
37 | |
38 UsbDeviceResource::~UsbDeviceResource() { | |
39 BrowserThread::PostTask(BrowserThread::FILE, | |
40 FROM_HERE, | |
41 base::Bind(&UsbDeviceHandle::Close, device_)); | |
42 } | |
43 | |
44 } // namespace extensions | |
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