Source/WebCore/Modules/indexeddb/client/IDBOpenDBRequestImpl.cpp

   1 /*
   2  * Copyright (C) 2015 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  23  * THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "IDBOpenDBRequestImpl.h"
  28
  29 #if ENABLE(INDEXED_DATABASE)
  30
  31 #include "IDBDatabaseImpl.h"
  32 #include "IDBError.h"
  33 #include "IDBResultData.h"
  34 #include "IDBTransactionImpl.h"
  35 #include "IDBVersionChangeEventImpl.h"
  36 #include "Logging.h"
  37
  38 namespace WebCore {
  39 namespace IDBClient {
  40
  41 Ref<IDBOpenDBRequest> IDBOpenDBRequest::createDeleteRequest(IDBConnectionToServer& connection, ScriptExecutionContext* context, const IDBDatabaseIdentifier& databaseIdentifier)
  42 {
  43     ASSERT(databaseIdentifier.isValid());
  44     return adoptRef(*new IDBOpenDBRequest(connection, context, databaseIdentifier, 0));
  45 }
  46
  47 Ref<IDBOpenDBRequest> IDBOpenDBRequest::createOpenRequest(IDBConnectionToServer& connection, ScriptExecutionContext* context, const IDBDatabaseIdentifier& databaseIdentifier, uint64_t version)
  48 {
  49     ASSERT(databaseIdentifier.isValid());
  50     return adoptRef(*new IDBOpenDBRequest(connection, context, databaseIdentifier, version));
  51 }
  52
  53 IDBOpenDBRequest::IDBOpenDBRequest(IDBConnectionToServer& connection, ScriptExecutionContext* context, const IDBDatabaseIdentifier& databaseIdentifier, uint64_t version)
  54     : IDBRequest(connection, context)
  55     , m_databaseIdentifier(databaseIdentifier)
  56     , m_version(version)
  57 {
  58 }
  59
  60 IDBOpenDBRequest::~IDBOpenDBRequest()
  61 {
  62 }
  63
  64 void IDBOpenDBRequest::onError(const IDBResultData& data)
  65 {
  66     m_domError = DOMError::create(data.error().name());
  67     enqueueEvent(Event::create(eventNames().errorEvent, true, true));
  68 }
  69
  70 void IDBOpenDBRequest::fireSuccessAfterVersionChangeCommit()
  71 {
  72     LOG(IndexedDB, "IDBOpenDBRequest::fireSuccessAfterVersionChangeCommit()");
  73
  74     ASSERT(hasPendingActivity());
  75     ASSERT(m_result);
  76     ASSERT(m_result->type() == IDBAny::Type::IDBDatabase);
  77     m_transaction->addRequest(*this);
  78
  79     enqueueEvent(Event::create(eventNames().successEvent, false, false));
  80 }
  81
  82 void IDBOpenDBRequest::onSuccess(const IDBResultData& resultData)
  83 {
  84     LOG(IndexedDB, "IDBOpenDBRequest::onSuccess()");
  85
  86     if (!scriptExecutionContext())
  87         return;
  88
  89     Ref<IDBDatabase> database = IDBDatabase::create(*scriptExecutionContext(), connection(), resultData);
  90     m_result = IDBAny::create(WTF::move(database));
  91     m_readyState = IDBRequestReadyState::Done;
  92
  93     enqueueEvent(Event::create(eventNames().successEvent, false, false));
  94 }
  95
  96 void IDBOpenDBRequest::onUpgradeNeeded(const IDBResultData& resultData)
  97 {
  98     Ref<IDBDatabase> database = IDBDatabase::create(*scriptExecutionContext(), connection(), resultData);
  99     Ref<IDBTransaction> transaction = database->startVersionChangeTransaction(resultData.transactionInfo(), *this);
 100
 101     ASSERT(transaction->info().mode() == IndexedDB::TransactionMode::VersionChange);
 102
 103     uint64_t oldVersion = database->info().version();
 104     uint64_t newVersion = transaction->info().newVersion();
 105
 106     LOG(IndexedDB, "IDBOpenDBRequest::onUpgradeNeeded() - current version is %" PRIu64 ", new is %" PRIu64, oldVersion, newVersion);
 107
 108     m_result = IDBAny::create(WTF::move(database));
 109     m_readyState = IDBRequestReadyState::Done;
 110     m_transaction = adoptRef(&transaction.leakRef());
 111     m_transaction->addRequest(*this);
 112
 113     enqueueEvent(IDBVersionChangeEvent::create(oldVersion, newVersion, eventNames().upgradeneededEvent));
 114 }
 115
 116 void IDBOpenDBRequest::onDeleteDatabaseSuccess(const IDBResultData& resultData)
 117 {
 118     uint64_t oldVersion = resultData.databaseInfo().version();
 119
 120     LOG(IndexedDB, "IDBOpenDBRequest::onDeleteDatabaseSuccess() - current version is %" PRIu64, oldVersion);
 121
 122     m_readyState = IDBRequestReadyState::Done;
 123
 124     enqueueEvent(IDBVersionChangeEvent::create(oldVersion, 0, eventNames().successEvent));
 125 }
 126
 127 void IDBOpenDBRequest::requestCompleted(const IDBResultData& data)
 128 {
 129     LOG(IndexedDB, "IDBOpenDBRequest::requestCompleted");
 130
 131     switch (data.type()) {
 132     case IDBResultType::Error:
 133         onError(data);
 134         break;
 135     case IDBResultType::OpenDatabaseSuccess:
 136         onSuccess(data);
 137         break;
 138     case IDBResultType::OpenDatabaseUpgradeNeeded:
 139         onUpgradeNeeded(data);
 140         break;
 141     case IDBResultType::DeleteDatabaseSuccess:
 142         onDeleteDatabaseSuccess(data);
 143         break;
 144     default:
 145         RELEASE_ASSERT_NOT_REACHED();
 146     }
 147 }
 148
 149 } // namespace IDBClient
 150 } // namespace WebCore
 151
 152 #endif // ENABLE(INDEXED_DATABASE)