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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "webkit/browser/blob/blob_storage_context.h" | 5 #include "webkit/browser/blob/blob_storage_context.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/location.h" | 8 #include "base/location.h" |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/message_loop/message_loop_proxy.h" | 10 #include "base/message_loop/message_loop_proxy.h" |
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107 } | 107 } |
108 | 108 |
109 void BlobStorageContext::RevokePublicBlobURL(const GURL& blob_url) { | 109 void BlobStorageContext::RevokePublicBlobURL(const GURL& blob_url) { |
110 DCHECK(!BlobUrlHasRef(blob_url)); | 110 DCHECK(!BlobUrlHasRef(blob_url)); |
111 if (!IsUrlRegistered(blob_url)) | 111 if (!IsUrlRegistered(blob_url)) |
112 return; | 112 return; |
113 DecrementBlobRefCount(public_blob_urls_[blob_url]); | 113 DecrementBlobRefCount(public_blob_urls_[blob_url]); |
114 public_blob_urls_.erase(blob_url); | 114 public_blob_urls_.erase(blob_url); |
115 } | 115 } |
116 | 116 |
117 std::string BlobStorageContext::LookupUuidFromDeprecatedURL( | |
118 const GURL& url) { | |
119 BlobURLMap::const_iterator found = deprecated_blob_urls_.find(url); | |
120 if (found == deprecated_blob_urls_.end()) | |
121 return std::string(); | |
122 return found->second; | |
123 } | |
124 | |
125 void BlobStorageContext::StartBuildingBlob(const std::string& uuid) { | 117 void BlobStorageContext::StartBuildingBlob(const std::string& uuid) { |
126 DCHECK(!IsInUse(uuid) && !uuid.empty()); | 118 DCHECK(!IsInUse(uuid) && !uuid.empty()); |
127 blob_map_[uuid] = BlobMapEntry(1, BEING_BUILT, new BlobData(uuid)); | 119 blob_map_[uuid] = BlobMapEntry(1, BEING_BUILT, new BlobData(uuid)); |
128 } | 120 } |
129 | 121 |
130 void BlobStorageContext::AppendBlobDataItem( | 122 void BlobStorageContext::AppendBlobDataItem( |
131 const std::string& uuid, const BlobData::Item& item) { | 123 const std::string& uuid, const BlobData::Item& item) { |
132 DCHECK(IsBeingBuilt(uuid)); | 124 DCHECK(IsBeingBuilt(uuid)); |
133 BlobMap::iterator found = blob_map_.find(uuid); | 125 BlobMap::iterator found = blob_map_.find(uuid); |
134 if (found == blob_map_.end()) | 126 if (found == blob_map_.end()) |
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167 item.expected_modification_time()); | 159 item.expected_modification_time()); |
168 break; | 160 break; |
169 case BlobData::Item::TYPE_FILE_FILESYSTEM: | 161 case BlobData::Item::TYPE_FILE_FILESYSTEM: |
170 AppendFileSystemFileItem(target_blob_data, | 162 AppendFileSystemFileItem(target_blob_data, |
171 item.filesystem_url(), | 163 item.filesystem_url(), |
172 item.offset(), | 164 item.offset(), |
173 item.length(), | 165 item.length(), |
174 item.expected_modification_time()); | 166 item.expected_modification_time()); |
175 break; | 167 break; |
176 case BlobData::Item::TYPE_BLOB: { | 168 case BlobData::Item::TYPE_BLOB: { |
177 scoped_ptr<BlobDataHandle> src = GetBlobDataFromUUID( | 169 scoped_ptr<BlobDataHandle> src = GetBlobDataFromUUID(item.blob_uuid()); |
178 item.blob_uuid().empty() | |
179 ? LookupUuidFromDeprecatedURL(item.blob_url()) | |
180 : item.blob_uuid()); | |
181 if (src) | 170 if (src) |
182 exceeded_memory = !ExpandStorageItems(target_blob_data, | 171 exceeded_memory = !ExpandStorageItems(target_blob_data, |
183 src->data(), | 172 src->data(), |
184 item.offset(), | 173 item.offset(), |
185 item.length()); | 174 item.length()); |
186 break; | 175 break; |
187 } | 176 } |
188 default: | 177 default: |
189 NOTREACHED(); | 178 NOTREACHED(); |
190 break; | 179 break; |
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229 BlobMap::iterator found = blob_map_.find(uuid); | 218 BlobMap::iterator found = blob_map_.find(uuid); |
230 if (found == blob_map_.end()) | 219 if (found == blob_map_.end()) |
231 return; | 220 return; |
232 DCHECK_EQ(found->second.data->uuid(), uuid); | 221 DCHECK_EQ(found->second.data->uuid(), uuid); |
233 if (--(found->second.refcount) == 0) { | 222 if (--(found->second.refcount) == 0) { |
234 memory_usage_ -= found->second.data->GetMemoryUsage(); | 223 memory_usage_ -= found->second.data->GetMemoryUsage(); |
235 blob_map_.erase(found); | 224 blob_map_.erase(found); |
236 } | 225 } |
237 } | 226 } |
238 | 227 |
239 void BlobStorageContext::DeprecatedRegisterPrivateBlobURL( | |
240 const GURL& url, const std::string& uuid) { | |
241 if (!IsInUse(uuid)) | |
242 return; | |
243 IncrementBlobRefCount(uuid); | |
244 deprecated_blob_urls_[url] = uuid; | |
245 } | |
246 | |
247 void BlobStorageContext::DeprecatedRevokePrivateBlobURL(const GURL& url) { | |
248 if (deprecated_blob_urls_.find(url) == deprecated_blob_urls_.end()) | |
249 return; | |
250 DecrementBlobRefCount(deprecated_blob_urls_[url]); | |
251 deprecated_blob_urls_.erase(url); | |
252 } | |
253 | |
254 bool BlobStorageContext::ExpandStorageItems( | 228 bool BlobStorageContext::ExpandStorageItems( |
255 BlobData* target_blob_data, BlobData* src_blob_data, | 229 BlobData* target_blob_data, BlobData* src_blob_data, |
256 uint64 offset, uint64 length) { | 230 uint64 offset, uint64 length) { |
257 DCHECK(target_blob_data && src_blob_data && | 231 DCHECK(target_blob_data && src_blob_data && |
258 length != static_cast<uint64>(-1)); | 232 length != static_cast<uint64>(-1)); |
259 | 233 |
260 std::vector<BlobData::Item>::const_iterator iter = | 234 std::vector<BlobData::Item>::const_iterator iter = |
261 src_blob_data->items().begin(); | 235 src_blob_data->items().begin(); |
262 if (offset) { | 236 if (offset) { |
263 for (; iter != src_blob_data->items().end(); ++iter) { | 237 for (; iter != src_blob_data->items().end(); ++iter) { |
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342 if (found == blob_map_.end()) | 316 if (found == blob_map_.end()) |
343 return false; | 317 return false; |
344 return found->second.flags & BEING_BUILT; | 318 return found->second.flags & BEING_BUILT; |
345 } | 319 } |
346 | 320 |
347 bool BlobStorageContext::IsUrlRegistered(const GURL& blob_url) { | 321 bool BlobStorageContext::IsUrlRegistered(const GURL& blob_url) { |
348 return public_blob_urls_.find(blob_url) != public_blob_urls_.end(); | 322 return public_blob_urls_.find(blob_url) != public_blob_urls_.end(); |
349 } | 323 } |
350 | 324 |
351 } // namespace webkit_blob | 325 } // namespace webkit_blob |
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