src/content/browser/indexed_db/indexed_db_callbacks.cc

   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 "content/browser/indexed_db/indexed_db_callbacks.h"
   6
   7 #include <algorithm>
   8
   9 #include "base/guid.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "base/time/time.h"
  12 #include "content/browser/child_process_security_policy_impl.h"
  13 #include "content/browser/fileapi/fileapi_message_filter.h"
  14 #include "content/browser/indexed_db/indexed_db_blob_info.h"
  15 #include "content/browser/indexed_db/indexed_db_connection.h"
  16 #include "content/browser/indexed_db/indexed_db_context_impl.h"
  17 #include "content/browser/indexed_db/indexed_db_cursor.h"
  18 #include "content/browser/indexed_db/indexed_db_database_callbacks.h"
  19 #include "content/browser/indexed_db/indexed_db_database_error.h"
  20 #include "content/browser/indexed_db/indexed_db_metadata.h"
  21 #include "content/browser/indexed_db/indexed_db_value.h"
  22 #include "content/common/indexed_db/indexed_db_constants.h"
  23 #include "content/common/indexed_db/indexed_db_messages.h"
  24 #include "webkit/browser/blob/blob_storage_context.h"
  25 #include "webkit/browser/quota/quota_manager.h"
  26 #include "webkit/common/blob/blob_data.h"
  27 #include "webkit/common/blob/shareable_file_reference.h"
  28
  29 using webkit_blob::ShareableFileReference;
  30
  31 namespace content {
  32
  33 namespace {
  34 const int32 kNoCursor = -1;
  35 const int32 kNoDatabaseCallbacks = -1;
  36 const int64 kNoTransaction = -1;
  37 }
  38
  39 IndexedDBCallbacks::IndexedDBCallbacks(IndexedDBDispatcherHost* dispatcher_host,
  40                                        int32 ipc_thread_id,
  41                                        int32 ipc_callbacks_id)
  42     : dispatcher_host_(dispatcher_host),
  43       ipc_callbacks_id_(ipc_callbacks_id),
  44       ipc_thread_id_(ipc_thread_id),
  45       ipc_cursor_id_(kNoCursor),
  46       host_transaction_id_(kNoTransaction),
  47       ipc_database_id_(kNoDatabase),
  48       ipc_database_callbacks_id_(kNoDatabaseCallbacks),
  49       data_loss_(blink::WebIDBDataLossNone),
  50       sent_blocked_(false) {
  51 }
  52
  53 IndexedDBCallbacks::IndexedDBCallbacks(IndexedDBDispatcherHost* dispatcher_host,
  54                                        int32 ipc_thread_id,
  55                                        int32 ipc_callbacks_id,
  56                                        int32 ipc_cursor_id)
  57     : dispatcher_host_(dispatcher_host),
  58       ipc_callbacks_id_(ipc_callbacks_id),
  59       ipc_thread_id_(ipc_thread_id),
  60       ipc_cursor_id_(ipc_cursor_id),
  61       host_transaction_id_(kNoTransaction),
  62       ipc_database_id_(kNoDatabase),
  63       ipc_database_callbacks_id_(kNoDatabaseCallbacks),
  64       data_loss_(blink::WebIDBDataLossNone),
  65       sent_blocked_(false) {
  66 }
  67
  68 IndexedDBCallbacks::IndexedDBCallbacks(IndexedDBDispatcherHost* dispatcher_host,
  69                                        int32 ipc_thread_id,
  70                                        int32 ipc_callbacks_id,
  71                                        int32 ipc_database_callbacks_id,
  72                                        int64 host_transaction_id,
  73                                        const GURL& origin_url)
  74     : dispatcher_host_(dispatcher_host),
  75       ipc_callbacks_id_(ipc_callbacks_id),
  76       ipc_thread_id_(ipc_thread_id),
  77       ipc_cursor_id_(kNoCursor),
  78       host_transaction_id_(host_transaction_id),
  79       origin_url_(origin_url),
  80       ipc_database_id_(kNoDatabase),
  81       ipc_database_callbacks_id_(ipc_database_callbacks_id),
  82       data_loss_(blink::WebIDBDataLossNone),
  83       sent_blocked_(false) {
  84 }
  85
  86 IndexedDBCallbacks::~IndexedDBCallbacks() {}
  87
  88 void IndexedDBCallbacks::OnError(const IndexedDBDatabaseError& error) {
  89   DCHECK(dispatcher_host_.get());
  90
  91   dispatcher_host_->Send(new IndexedDBMsg_CallbacksError(
  92       ipc_thread_id_, ipc_callbacks_id_, error.code(), error.message()));
  93   dispatcher_host_ = NULL;
  94 }
  95
  96 void IndexedDBCallbacks::OnSuccess(const std::vector<base::string16>& value) {
  97   DCHECK(dispatcher_host_.get());
  98
  99   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 100   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 101   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 102   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 103   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 104
 105   std::vector<base::string16> list;
 106   for (unsigned i = 0; i < value.size(); ++i)
 107     list.push_back(value[i]);
 108
 109   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessStringList(
 110       ipc_thread_id_, ipc_callbacks_id_, list));
 111   dispatcher_host_ = NULL;
 112 }
 113
 114 void IndexedDBCallbacks::OnBlocked(int64 existing_version) {
 115   DCHECK(dispatcher_host_.get());
 116
 117   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 118   // No transaction/db callbacks for DeleteDatabase.
 119   DCHECK_EQ(kNoTransaction == host_transaction_id_,
 120             kNoDatabaseCallbacks == ipc_database_callbacks_id_);
 121   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 122
 123   if (sent_blocked_)
 124     return;
 125
 126   sent_blocked_ = true;
 127   dispatcher_host_->Send(new IndexedDBMsg_CallbacksIntBlocked(
 128       ipc_thread_id_, ipc_callbacks_id_, existing_version));
 129 }
 130
 131 void IndexedDBCallbacks::OnDataLoss(blink::WebIDBDataLoss data_loss,
 132                                     std::string data_loss_message) {
 133   DCHECK_NE(blink::WebIDBDataLossNone, data_loss);
 134   data_loss_ = data_loss;
 135   data_loss_message_ = data_loss_message;
 136 }
 137
 138 void IndexedDBCallbacks::OnUpgradeNeeded(
 139     int64 old_version,
 140     scoped_ptr<IndexedDBConnection> connection,
 141     const IndexedDBDatabaseMetadata& metadata) {
 142   DCHECK(dispatcher_host_.get());
 143
 144   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 145   DCHECK_NE(kNoTransaction, host_transaction_id_);
 146   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 147   DCHECK_NE(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 148
 149   dispatcher_host_->RegisterTransactionId(host_transaction_id_, origin_url_);
 150   int32 ipc_database_id =
 151       dispatcher_host_->Add(connection.release(), ipc_thread_id_, origin_url_);
 152   if (ipc_database_id < 0)
 153     return;
 154   ipc_database_id_ = ipc_database_id;
 155   IndexedDBMsg_CallbacksUpgradeNeeded_Params params;
 156   params.ipc_thread_id = ipc_thread_id_;
 157   params.ipc_callbacks_id = ipc_callbacks_id_;
 158   params.ipc_database_id = ipc_database_id;
 159   params.ipc_database_callbacks_id = ipc_database_callbacks_id_;
 160   params.old_version = old_version;
 161   params.idb_metadata = IndexedDBDispatcherHost::ConvertMetadata(metadata);
 162   params.data_loss = data_loss_;
 163   params.data_loss_message = data_loss_message_;
 164   dispatcher_host_->Send(new IndexedDBMsg_CallbacksUpgradeNeeded(params));
 165 }
 166
 167 void IndexedDBCallbacks::OnSuccess(scoped_ptr<IndexedDBConnection> connection,
 168                                    const IndexedDBDatabaseMetadata& metadata) {
 169   DCHECK(dispatcher_host_.get());
 170
 171   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 172   DCHECK_NE(kNoTransaction, host_transaction_id_);
 173   DCHECK_NE(ipc_database_id_ == kNoDatabase, !connection);
 174   DCHECK_NE(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 175
 176   scoped_refptr<IndexedDBCallbacks> self(this);
 177
 178   int32 ipc_object_id = kNoDatabase;
 179   // Only register if the connection was not previously sent in OnUpgradeNeeded.
 180   if (ipc_database_id_ == kNoDatabase) {
 181     ipc_object_id = dispatcher_host_->Add(
 182         connection.release(), ipc_thread_id_, origin_url_);
 183   }
 184
 185   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessIDBDatabase(
 186       ipc_thread_id_,
 187       ipc_callbacks_id_,
 188       ipc_database_callbacks_id_,
 189       ipc_object_id,
 190       IndexedDBDispatcherHost::ConvertMetadata(metadata)));
 191   dispatcher_host_ = NULL;
 192 }
 193
 194 static std::string CreateBlobData(
 195     const IndexedDBBlobInfo& blob_info,
 196     scoped_refptr<IndexedDBDispatcherHost> dispatcher_host,
 197     webkit_blob::BlobStorageContext* blob_storage_context,
 198     base::TaskRunner* task_runner) {
 199   std::string uuid = blob_info.uuid();
 200   if (!uuid.empty()) {
 201     // We're sending back a live blob, not a reference into our backing store.
 202     scoped_ptr<webkit_blob::BlobDataHandle> blob_data_handle(
 203         blob_storage_context->GetBlobDataFromUUID(uuid));
 204     dispatcher_host->HoldBlobDataHandle(uuid, blob_data_handle.Pass());
 205     return uuid;
 206   }
 207   scoped_refptr<ShareableFileReference> shareable_file =
 208       ShareableFileReference::Get(blob_info.file_path());
 209   if (!shareable_file.get()) {
 210     shareable_file = ShareableFileReference::GetOrCreate(
 211         blob_info.file_path(),
 212         ShareableFileReference::DONT_DELETE_ON_FINAL_RELEASE,
 213         task_runner);
 214     if (!blob_info.release_callback().is_null())
 215       shareable_file->AddFinalReleaseCallback(blob_info.release_callback());
 216   }
 217
 218   uuid = base::GenerateGUID();
 219   scoped_refptr<webkit_blob::BlobData> blob_data =
 220       new webkit_blob::BlobData(uuid);
 221   blob_data->AppendFile(
 222       blob_info.file_path(), 0, blob_info.size(), blob_info.last_modified());
 223   scoped_ptr<webkit_blob::BlobDataHandle> blob_data_handle(
 224       blob_storage_context->AddFinishedBlob(blob_data.get()));
 225   dispatcher_host->HoldBlobDataHandle(uuid, blob_data_handle.Pass());
 226
 227   return uuid;
 228 }
 229
 230 static bool CreateAllBlobs(
 231     const std::vector<IndexedDBBlobInfo>& blob_info,
 232     std::vector<IndexedDBMsg_BlobOrFileInfo>* blob_or_file_info,
 233     scoped_refptr<IndexedDBDispatcherHost> dispatcher_host) {
 234   DCHECK_EQ(blob_info.size(), blob_or_file_info->size());
 235   size_t i;
 236   if (!dispatcher_host->blob_storage_context())
 237     return false;
 238   for (i = 0; i < blob_info.size(); ++i) {
 239     (*blob_or_file_info)[i].uuid =
 240         CreateBlobData(blob_info[i],
 241                        dispatcher_host,
 242                        dispatcher_host->blob_storage_context(),
 243                        dispatcher_host->Context()->TaskRunner());
 244   }
 245   return true;
 246 }
 247
 248 template <class ParamType, class MsgType>
 249 static void CreateBlobsAndSend(
 250     ParamType* params,
 251     scoped_refptr<IndexedDBDispatcherHost> dispatcher_host,
 252     const std::vector<IndexedDBBlobInfo>& blob_info,
 253     std::vector<IndexedDBMsg_BlobOrFileInfo>* blob_or_file_info) {
 254   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 255   if (CreateAllBlobs(blob_info, blob_or_file_info, dispatcher_host))
 256     dispatcher_host->Send(new MsgType(*params));
 257 }
 258
 259 static void BlobLookupForCursorPrefetch(
 260     IndexedDBMsg_CallbacksSuccessCursorPrefetch_Params* params,
 261     scoped_refptr<IndexedDBDispatcherHost> dispatcher_host,
 262     const std::vector<IndexedDBValue>& values) {
 263   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 264   DCHECK_EQ(values.size(), params->blob_or_file_infos.size());
 265
 266   std::vector<IndexedDBValue>::const_iterator value_iter;
 267   std::vector<std::vector<IndexedDBMsg_BlobOrFileInfo> >::iterator blob_iter;
 268   for (value_iter = values.begin(), blob_iter =
 269        params->blob_or_file_infos.begin(); value_iter != values.end();
 270        ++value_iter, ++blob_iter) {
 271     if (!CreateAllBlobs(value_iter->blob_info, &*blob_iter, dispatcher_host))
 272       return;
 273   }
 274   dispatcher_host->Send(
 275       new IndexedDBMsg_CallbacksSuccessCursorPrefetch(*params));
 276 }
 277
 278 static void FillInBlobData(
 279     const std::vector<IndexedDBBlobInfo>& blob_info,
 280     std::vector<IndexedDBMsg_BlobOrFileInfo>* blob_or_file_info) {
 281   for (std::vector<IndexedDBBlobInfo>::const_iterator iter = blob_info.begin();
 282        iter != blob_info.end();
 283        ++iter) {
 284     if (iter->is_file()) {
 285       IndexedDBMsg_BlobOrFileInfo info;
 286       info.is_file = true;
 287       info.mime_type = iter->type();
 288       info.file_name = iter->file_name();
 289       info.file_path = iter->file_path().AsUTF16Unsafe();
 290       info.size = iter->size();
 291       info.last_modified = iter->last_modified().ToDoubleT();
 292       blob_or_file_info->push_back(info);
 293     } else {
 294       IndexedDBMsg_BlobOrFileInfo info;
 295       info.mime_type = iter->type();
 296       info.size = iter->size();
 297       blob_or_file_info->push_back(info);
 298     }
 299   }
 300 }
 301
 302 void IndexedDBCallbacks::RegisterBlobsAndSend(
 303     const std::vector<IndexedDBBlobInfo>& blob_info,
 304     const base::Closure& callback) {
 305   std::vector<IndexedDBBlobInfo>::const_iterator iter;
 306   for (iter = blob_info.begin(); iter != blob_info.end(); ++iter) {
 307     if (!iter->mark_used_callback().is_null())
 308       iter->mark_used_callback().Run();
 309   }
 310   DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::IO));
 311   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, callback);
 312 }
 313
 314 void IndexedDBCallbacks::OnSuccess(scoped_refptr<IndexedDBCursor> cursor,
 315                                    const IndexedDBKey& key,
 316                                    const IndexedDBKey& primary_key,
 317                                    IndexedDBValue* value) {
 318   DCHECK(dispatcher_host_.get());
 319
 320   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 321   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 322   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 323   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 324   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 325
 326   int32 ipc_object_id = dispatcher_host_->Add(cursor.get());
 327   scoped_ptr<IndexedDBMsg_CallbacksSuccessIDBCursor_Params> params(
 328       new IndexedDBMsg_CallbacksSuccessIDBCursor_Params());
 329   params->ipc_thread_id = ipc_thread_id_;
 330   params->ipc_callbacks_id = ipc_callbacks_id_;
 331   params->ipc_cursor_id = ipc_object_id;
 332   params->key = key;
 333   params->primary_key = primary_key;
 334   if (value && !value->empty())
 335     std::swap(params->value, value->bits);
 336   // TODO(alecflett): Avoid a copy here: the whole params object is
 337   // being copied into the message.
 338   if (!value || value->blob_info.empty()) {
 339     dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessIDBCursor(*params));
 340   } else {
 341     IndexedDBMsg_CallbacksSuccessIDBCursor_Params* p = params.get();
 342     FillInBlobData(value->blob_info, &p->blob_or_file_info);
 343     RegisterBlobsAndSend(
 344         value->blob_info,
 345         base::Bind(
 346             CreateBlobsAndSend<IndexedDBMsg_CallbacksSuccessIDBCursor_Params,
 347                                IndexedDBMsg_CallbacksSuccessIDBCursor>,
 348             base::Owned(params.release()),
 349             dispatcher_host_,
 350             value->blob_info,
 351             base::Unretained(&p->blob_or_file_info)));
 352   }
 353   dispatcher_host_ = NULL;
 354 }
 355
 356 void IndexedDBCallbacks::OnSuccess(const IndexedDBKey& key,
 357                                    const IndexedDBKey& primary_key,
 358                                    IndexedDBValue* value) {
 359   DCHECK(dispatcher_host_.get());
 360
 361   DCHECK_NE(kNoCursor, ipc_cursor_id_);
 362   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 363   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 364   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 365   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 366
 367   IndexedDBCursor* idb_cursor =
 368       dispatcher_host_->GetCursorFromId(ipc_cursor_id_);
 369
 370   DCHECK(idb_cursor);
 371   if (!idb_cursor)
 372     return;
 373
 374   scoped_ptr<IndexedDBMsg_CallbacksSuccessCursorContinue_Params> params(
 375       new IndexedDBMsg_CallbacksSuccessCursorContinue_Params());
 376   params->ipc_thread_id = ipc_thread_id_;
 377   params->ipc_callbacks_id = ipc_callbacks_id_;
 378   params->ipc_cursor_id = ipc_cursor_id_;
 379   params->key = key;
 380   params->primary_key = primary_key;
 381   if (value && !value->empty())
 382     std::swap(params->value, value->bits);
 383   // TODO(alecflett): Avoid a copy here: the whole params object is
 384   // being copied into the message.
 385   if (!value || value->blob_info.empty()) {
 386     dispatcher_host_->Send(
 387         new IndexedDBMsg_CallbacksSuccessCursorContinue(*params));
 388   } else {
 389     IndexedDBMsg_CallbacksSuccessCursorContinue_Params* p = params.get();
 390     FillInBlobData(value->blob_info, &p->blob_or_file_info);
 391     RegisterBlobsAndSend(
 392         value->blob_info,
 393         base::Bind(CreateBlobsAndSend<
 394                        IndexedDBMsg_CallbacksSuccessCursorContinue_Params,
 395                        IndexedDBMsg_CallbacksSuccessCursorContinue>,
 396                    base::Owned(params.release()),
 397                    dispatcher_host_,
 398                    value->blob_info,
 399                    base::Unretained(&p->blob_or_file_info)));
 400   }
 401   dispatcher_host_ = NULL;
 402 }
 403
 404 void IndexedDBCallbacks::OnSuccessWithPrefetch(
 405     const std::vector<IndexedDBKey>& keys,
 406     const std::vector<IndexedDBKey>& primary_keys,
 407     std::vector<IndexedDBValue>* values) {
 408   DCHECK_EQ(keys.size(), primary_keys.size());
 409   DCHECK_EQ(keys.size(), values->size());
 410
 411   DCHECK(dispatcher_host_.get());
 412
 413   DCHECK_NE(kNoCursor, ipc_cursor_id_);
 414   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 415   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 416   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 417   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 418
 419   std::vector<IndexedDBKey> msgKeys;
 420   std::vector<IndexedDBKey> msgPrimaryKeys;
 421
 422   for (size_t i = 0; i < keys.size(); ++i) {
 423     msgKeys.push_back(keys[i]);
 424     msgPrimaryKeys.push_back(primary_keys[i]);
 425   }
 426
 427   scoped_ptr<IndexedDBMsg_CallbacksSuccessCursorPrefetch_Params> params(
 428       new IndexedDBMsg_CallbacksSuccessCursorPrefetch_Params());
 429   params->ipc_thread_id = ipc_thread_id_;
 430   params->ipc_callbacks_id = ipc_callbacks_id_;
 431   params->ipc_cursor_id = ipc_cursor_id_;
 432   params->keys = msgKeys;
 433   params->primary_keys = msgPrimaryKeys;
 434   std::vector<std::string>& values_bits = params->values;
 435   values_bits.resize(values->size());
 436   std::vector<std::vector<IndexedDBMsg_BlobOrFileInfo> >& values_blob_infos =
 437       params->blob_or_file_infos;
 438   values_blob_infos.resize(values->size());
 439
 440   bool found_blob_info = false;
 441   std::vector<IndexedDBValue>::iterator iter = values->begin();
 442   for (size_t i = 0; iter != values->end(); ++iter, ++i) {
 443     values_bits[i].swap(iter->bits);
 444     if (iter->blob_info.size()) {
 445       found_blob_info = true;
 446       FillInBlobData(iter->blob_info, &values_blob_infos[i]);
 447       std::vector<IndexedDBBlobInfo>::const_iterator blob_iter;
 448       for (blob_iter = iter->blob_info.begin();
 449            blob_iter != iter->blob_info.end();
 450            ++blob_iter) {
 451         if (!blob_iter->mark_used_callback().is_null())
 452           blob_iter->mark_used_callback().Run();
 453       }
 454     }
 455   }
 456
 457   if (found_blob_info) {
 458     BrowserThread::PostTask(BrowserThread::IO,
 459                             FROM_HERE,
 460                             base::Bind(BlobLookupForCursorPrefetch,
 461                                        base::Owned(params.release()),
 462                                        dispatcher_host_,
 463                                        *values));
 464   } else {
 465     dispatcher_host_->Send(
 466         new IndexedDBMsg_CallbacksSuccessCursorPrefetch(*params.get()));
 467   }
 468   dispatcher_host_ = NULL;
 469 }
 470
 471 void IndexedDBCallbacks::OnSuccess(IndexedDBValue* value,
 472                                    const IndexedDBKey& key,
 473                                    const IndexedDBKeyPath& key_path) {
 474   DCHECK(dispatcher_host_.get());
 475
 476   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 477   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 478   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 479   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 480   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 481
 482   scoped_ptr<IndexedDBMsg_CallbacksSuccessValueWithKey_Params> params(
 483       new IndexedDBMsg_CallbacksSuccessValueWithKey_Params());
 484   params->ipc_thread_id = ipc_thread_id_;
 485   params->ipc_callbacks_id = ipc_callbacks_id_;
 486   params->primary_key = key;
 487   params->key_path = key_path;
 488   if (value && !value->empty())
 489     std::swap(params->value, value->bits);
 490   if (!value || value->blob_info.empty()) {
 491     dispatcher_host_->Send(
 492         new IndexedDBMsg_CallbacksSuccessValueWithKey(*params));
 493   } else {
 494     IndexedDBMsg_CallbacksSuccessValueWithKey_Params* p = params.get();
 495     FillInBlobData(value->blob_info, &p->blob_or_file_info);
 496     RegisterBlobsAndSend(
 497         value->blob_info,
 498         base::Bind(
 499             CreateBlobsAndSend<IndexedDBMsg_CallbacksSuccessValueWithKey_Params,
 500                                IndexedDBMsg_CallbacksSuccessValueWithKey>,
 501             base::Owned(params.release()),
 502             dispatcher_host_,
 503             value->blob_info,
 504             base::Unretained(&p->blob_or_file_info)));
 505   }
 506   dispatcher_host_ = NULL;
 507 }
 508
 509 void IndexedDBCallbacks::OnSuccess(IndexedDBValue* value) {
 510   DCHECK(dispatcher_host_.get());
 511   DCHECK(kNoCursor == ipc_cursor_id_ || value == NULL);
 512   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 513   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 514   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 515   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 516
 517   scoped_ptr<IndexedDBMsg_CallbacksSuccessValue_Params> params(
 518       new IndexedDBMsg_CallbacksSuccessValue_Params());
 519   params->ipc_thread_id = ipc_thread_id_;
 520   params->ipc_callbacks_id = ipc_callbacks_id_;
 521   if (value && !value->empty())
 522     std::swap(params->value, value->bits);
 523   if (!value || value->blob_info.empty()) {
 524     dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessValue(*params));
 525   } else {
 526     IndexedDBMsg_CallbacksSuccessValue_Params* p = params.get();
 527     FillInBlobData(value->blob_info, &p->blob_or_file_info);
 528     RegisterBlobsAndSend(
 529         value->blob_info,
 530         base::Bind(CreateBlobsAndSend<IndexedDBMsg_CallbacksSuccessValue_Params,
 531                                       IndexedDBMsg_CallbacksSuccessValue>,
 532                    base::Owned(params.release()),
 533                    dispatcher_host_,
 534                    value->blob_info,
 535                    base::Unretained(&p->blob_or_file_info)));
 536   }
 537   dispatcher_host_ = NULL;
 538 }
 539
 540 void IndexedDBCallbacks::OnSuccess(const IndexedDBKey& value) {
 541   DCHECK(dispatcher_host_.get());
 542
 543   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 544   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 545   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 546   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 547   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 548
 549   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessIndexedDBKey(
 550       ipc_thread_id_, ipc_callbacks_id_, value));
 551   dispatcher_host_ = NULL;
 552 }
 553
 554 void IndexedDBCallbacks::OnSuccess(int64 value) {
 555   DCHECK(dispatcher_host_.get());
 556
 557   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 558   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 559   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 560   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 561   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 562
 563   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessInteger(
 564       ipc_thread_id_, ipc_callbacks_id_, value));
 565   dispatcher_host_ = NULL;
 566 }
 567
 568 void IndexedDBCallbacks::OnSuccess() {
 569   DCHECK(dispatcher_host_.get());
 570
 571   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 572   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 573   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 574   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 575   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 576
 577   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessUndefined(
 578       ipc_thread_id_, ipc_callbacks_id_));
 579   dispatcher_host_ = NULL;
 580 }
 581
 582 }  // namespace content