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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 "webkit/fileapi/media/mtp_device_map_service.h" | |
| 6 | |
| 7 #include <string> | |
| 8 #include <utility> | |
| 9 | |
| 10 #include "base/stl_util.h" | |
| 11 #include "webkit/fileapi/isolated_context.h" | |
| 12 #include "webkit/fileapi/media/mtp_device_async_delegate.h" | |
| 13 | |
| 14 namespace fileapi { | |
| 15 | |
| 16 namespace { | |
| 17 | |
| 18 base::LazyInstance<MTPDeviceMapService> g_mtp_device_map_service = | |
| 19 LAZY_INSTANCE_INITIALIZER; | |
| 20 | |
| 21 } // namespace | |
| 22 | |
| 23 // static | |
| 24 MTPDeviceMapService* MTPDeviceMapService::GetInstance() { | |
| 25 return g_mtp_device_map_service.Pointer(); | |
| 26 } | |
| 27 | |
| 28 ///////////////////////////////////////////////////////////////////////////// | |
| 29 // Following methods are used to manage MTPDeviceAsyncDelegate objects. // | |
| 30 ///////////////////////////////////////////////////////////////////////////// | |
| 31 void MTPDeviceMapService::AddAsyncDelegate( | |
| 32 const base::FilePath::StringType& device_location, | |
| 33 MTPDeviceAsyncDelegate* delegate) { | |
| 34 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 35 DCHECK(delegate); | |
| 36 DCHECK(!device_location.empty()); | |
| 37 if (ContainsKey(async_delegate_map_, device_location)) | |
| 38 return; | |
| 39 async_delegate_map_[device_location] = delegate; | |
| 40 } | |
| 41 | |
| 42 void MTPDeviceMapService::RemoveAsyncDelegate( | |
| 43 const base::FilePath::StringType& device_location) { | |
| 44 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 45 AsyncDelegateMap::iterator it = async_delegate_map_.find(device_location); | |
| 46 DCHECK(it != async_delegate_map_.end()); | |
| 47 it->second->CancelPendingTasksAndDeleteDelegate(); | |
| 48 async_delegate_map_.erase(it); | |
| 49 } | |
| 50 | |
| 51 MTPDeviceAsyncDelegate* MTPDeviceMapService::GetMTPDeviceAsyncDelegate( | |
| 52 const std::string& filesystem_id) { | |
| 53 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 54 base::FilePath device_path; | |
| 55 if (!IsolatedContext::GetInstance()->GetRegisteredPath(filesystem_id, | |
| 56 &device_path)) { | |
| 57 return NULL; | |
| 58 } | |
| 59 | |
| 60 const base::FilePath::StringType& device_location = device_path.value(); | |
| 61 DCHECK(!device_location.empty()); | |
| 62 AsyncDelegateMap::const_iterator it = | |
| 63 async_delegate_map_.find(device_location); | |
| 64 return (it != async_delegate_map_.end()) ? it->second : NULL; | |
| 65 } | |
| 66 | |
| 67 | |
| 68 MTPDeviceMapService::MTPDeviceMapService() { | |
| 69 } | |
| 70 | |
| 71 MTPDeviceMapService::~MTPDeviceMapService() {} | |
| 72 | |
| 73 } // namespace fileapi | |
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Chromium Code Reviews
Issue 14247034:
Move Media Galleries FileAPI code out of webkit. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@cr-14352004