1 2 // Copyright 2014 The Chromium Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 6 #include "base/lazy_instance.h" 7 #include "chrome/browser/extensions/api/image_writer_private/removable_storage_provider.h" 8 #include "content/public/browser/browser_thread.h" 9 10 namespace extensions { 11 12 // A device list to be returned when testing. 13 static base::LazyInstance<scoped_refptr<StorageDeviceList> > g_test_device_list; 14 15 // TODO(haven): Udev code may be duplicated in the Chrome codebase. 16 // https://code.google.com/p/chromium/issues/detail?id=284898 17 GetAllDevices(DeviceListReadyCallback callback)18void RemovableStorageProvider::GetAllDevices(DeviceListReadyCallback callback) { 19 if (g_test_device_list.Get() != NULL) { 20 content::BrowserThread::PostTask( 21 content::BrowserThread::FILE, 22 FROM_HERE, 23 base::Bind(callback, g_test_device_list.Get(), true)); 24 return; 25 } 26 27 scoped_refptr<StorageDeviceList> device_list(new StorageDeviceList); 28 29 // We need to do some file i/o to get the device block size 30 content::BrowserThread::PostTaskAndReplyWithResult( 31 content::BrowserThread::FILE, 32 FROM_HERE, 33 base::Bind(PopulateDeviceList, device_list), 34 base::Bind(callback, device_list)); 35 } 36 SetDeviceListForTesting(scoped_refptr<StorageDeviceList> device_list)37void RemovableStorageProvider::SetDeviceListForTesting( 38 scoped_refptr<StorageDeviceList> device_list) { 39 g_test_device_list.Get() = device_list; 40 } 41 ClearDeviceListForTesting()42void RemovableStorageProvider::ClearDeviceListForTesting() { 43 g_test_device_list.Get() = NULL; 44 } 45 46 } // namespace extensions 47