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| 1 // Copyright 2013 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/system_storage/storage_info_provider.h" | |
| 6 | |
| 7 #include "base/stl_util.h" | |
| 8 #include "base/strings/utf_string_conversions.h" | |
| 9 #include "base/sys_info.h" | |
| 10 #include "base/threading/sequenced_worker_pool.h" | |
| 11 #include "components/storage_monitor/storage_info.h" | |
| 12 #include "components/storage_monitor/storage_monitor.h" | |
| 13 #include "content/public/browser/browser_thread.h" | |
| 14 | |
| 15 using storage_monitor::StorageInfo; | |
| 16 using storage_monitor::StorageMonitor; | |
| 17 | |
| 18 namespace extensions { | |
| 19 | |
| 20 using content::BrowserThread; | |
| 21 using api::system_storage::StorageUnitInfo; | |
| 22 using api::system_storage::STORAGE_UNIT_TYPE_FIXED; | |
| 23 using api::system_storage::STORAGE_UNIT_TYPE_REMOVABLE; | |
| 24 | |
| 25 namespace systeminfo { | |
| 26 | |
| 27 void BuildStorageUnitInfo(const StorageInfo& info, | |
| 28 StorageUnitInfo* unit) { | |
| 29 unit->id = StorageMonitor::GetInstance()->GetTransientIdForDeviceId( | |
| 30 info.device_id()); | |
| 31 unit->name = base::UTF16ToUTF8(info.GetDisplayName(false)); | |
| 32 // TODO(hmin): Might need to take MTP device into consideration. | |
| 33 unit->type = StorageInfo::IsRemovableDevice(info.device_id()) ? | |
| 34 STORAGE_UNIT_TYPE_REMOVABLE : STORAGE_UNIT_TYPE_FIXED; | |
| 35 unit->capacity = static_cast<double>(info.total_size_in_bytes()); | |
| 36 } | |
| 37 | |
| 38 } // namespace systeminfo | |
| 39 | |
| 40 // Static member intialization. | |
| 41 base::LazyInstance<scoped_refptr<StorageInfoProvider> > | |
| 42 StorageInfoProvider::provider_ = LAZY_INSTANCE_INITIALIZER; | |
| 43 | |
| 44 StorageInfoProvider::StorageInfoProvider() { | |
| 45 } | |
| 46 | |
| 47 StorageInfoProvider::~StorageInfoProvider() { | |
| 48 } | |
| 49 | |
| 50 const StorageUnitInfoList& StorageInfoProvider::storage_unit_info_list() const { | |
| 51 return info_; | |
| 52 } | |
| 53 | |
| 54 void StorageInfoProvider::InitializeForTesting( | |
| 55 scoped_refptr<StorageInfoProvider> provider) { | |
| 56 DCHECK(provider.get() != NULL); | |
| 57 provider_.Get() = provider; | |
| 58 } | |
| 59 | |
| 60 void StorageInfoProvider::PrepareQueryOnUIThread() { | |
| 61 // Get all available storage devices before invoking |QueryInfo()|. | |
| 62 GetAllStoragesIntoInfoList(); | |
| 63 } | |
| 64 | |
| 65 void StorageInfoProvider::InitializeProvider( | |
| 66 const base::Closure& do_query_info_callback) { | |
| 67 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 68 // Register the |do_query_info_callback| callback to StorageMonitor. | |
| 69 // See the comments of StorageMonitor::EnsureInitialized about when the | |
| 70 // callback gets run. | |
| 71 StorageMonitor::GetInstance()->EnsureInitialized(do_query_info_callback); | |
| 72 } | |
| 73 | |
| 74 bool StorageInfoProvider::QueryInfo() { | |
| 75 DCHECK(BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread()); | |
| 76 // No info to query since we get all available storage devices' info in | |
| 77 // |PrepareQueryOnUIThread()|. | |
| 78 return true; | |
| 79 } | |
| 80 | |
| 81 void StorageInfoProvider::GetAllStoragesIntoInfoList() { | |
| 82 info_.clear(); | |
| 83 std::vector<StorageInfo> storage_list = | |
| 84 StorageMonitor::GetInstance()->GetAllAvailableStorages(); | |
| 85 | |
| 86 for (std::vector<StorageInfo>::const_iterator it = storage_list.begin(); | |
| 87 it != storage_list.end(); ++it) { | |
| 88 linked_ptr<StorageUnitInfo> unit(new StorageUnitInfo()); | |
| 89 systeminfo::BuildStorageUnitInfo(*it, unit.get()); | |
| 90 info_.push_back(unit); | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 double StorageInfoProvider::GetStorageFreeSpaceFromTransientIdOnFileThread( | |
| 95 const std::string& transient_id) { | |
| 96 DCHECK_CURRENTLY_ON(BrowserThread::FILE); | |
| 97 std::vector<StorageInfo> storage_list = | |
| 98 StorageMonitor::GetInstance()->GetAllAvailableStorages(); | |
| 99 | |
| 100 std::string device_id = | |
| 101 StorageMonitor::GetInstance()->GetDeviceIdForTransientId( | |
| 102 transient_id); | |
| 103 | |
| 104 // Lookup the matched storage info by |device_id|. | |
| 105 for (std::vector<StorageInfo>::const_iterator it = | |
| 106 storage_list.begin(); | |
| 107 it != storage_list.end(); ++it) { | |
| 108 if (device_id == it->device_id()) | |
| 109 return static_cast<double>(base::SysInfo::AmountOfFreeDiskSpace( | |
| 110 base::FilePath(it->location()))); | |
| 111 } | |
| 112 | |
| 113 return -1; | |
| 114 } | |
| 115 | |
| 116 // static | |
| 117 StorageInfoProvider* StorageInfoProvider::Get() { | |
| 118 if (provider_.Get().get() == NULL) | |
| 119 provider_.Get() = new StorageInfoProvider(); | |
| 120 return provider_.Get(); | |
| 121 } | |
| 122 | |
| 123 } // namespace extensions | |
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Chromium Code Reviews
Issue 389633002:
Move system.* family of APIs to extensions/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master