| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "modules/indexeddb/IDBIndex.h" |
| |
| #include "bindings/core/v8/ExceptionState.h" |
| #include "bindings/modules/v8/ToV8ForModules.h" |
| #include "bindings/modules/v8/V8BindingForModules.h" |
| #include "core/dom/ExceptionCode.h" |
| #include "core/dom/ExecutionContext.h" |
| #include "modules/indexeddb/IDBDatabase.h" |
| #include "modules/indexeddb/IDBKey.h" |
| #include "modules/indexeddb/IDBObjectStore.h" |
| #include "modules/indexeddb/IDBTracing.h" |
| #include "modules/indexeddb/IDBTransaction.h" |
| #include "public/platform/modules/indexeddb/WebIDBKeyRange.h" |
| #include <memory> |
| |
| using blink::WebIDBCallbacks; |
| using blink::WebIDBCursor; |
| using blink::WebIDBDatabase; |
| |
| namespace blink { |
| |
| IDBIndex::IDBIndex(RefPtr<IDBIndexMetadata> metadata, |
| IDBObjectStore* objectStore, |
| IDBTransaction* transaction) |
| : m_metadata(std::move(metadata)), |
| m_objectStore(objectStore), |
| m_transaction(transaction) { |
| DCHECK(m_objectStore); |
| DCHECK(m_transaction); |
| DCHECK(m_metadata.get()); |
| DCHECK_NE(id(), IDBIndexMetadata::InvalidId); |
| } |
| |
| IDBIndex::~IDBIndex() {} |
| |
| DEFINE_TRACE(IDBIndex) { |
| visitor->trace(m_objectStore); |
| visitor->trace(m_transaction); |
| } |
| |
| void IDBIndex::setName(const String& name, ExceptionState& exceptionState) { |
| if (!RuntimeEnabledFeatures::indexedDBExperimentalEnabled()) |
| return; |
| |
| IDB_TRACE("IDBIndex::setName"); |
| if (!m_transaction->isVersionChange()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, |
| IDBDatabase::notVersionChangeTransactionErrorMessage); |
| return; |
| } |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::indexDeletedErrorMessage); |
| return; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return; |
| } |
| |
| if (this->name() == name) |
| return; |
| if (m_objectStore->containsIndex(name)) { |
| exceptionState.throwDOMException(ConstraintError, |
| IDBDatabase::indexNameTakenErrorMessage); |
| return; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return; |
| } |
| |
| m_objectStore->renameIndex(id(), name); |
| } |
| |
| ScriptValue IDBIndex::keyPath(ScriptState* scriptState) const { |
| return ScriptValue::from(scriptState, metadata().keyPath); |
| } |
| |
| void IDBIndex::revertMetadata(RefPtr<IDBIndexMetadata> oldMetadata) { |
| m_metadata = std::move(oldMetadata); |
| |
| // An index's metadata will only get reverted if the index was in the |
| // database when the versionchange transaction started. |
| m_deleted = false; |
| } |
| |
| IDBRequest* IDBIndex::openCursor(ScriptState* scriptState, |
| const ScriptValue& range, |
| const String& directionString, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBIndex::openCursor"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::indexDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| WebIDBCursorDirection direction = |
| IDBCursor::stringToDirection(directionString); |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue( |
| scriptState->getExecutionContext(), range, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| return openCursor(scriptState, keyRange, direction); |
| } |
| |
| IDBRequest* IDBIndex::openCursor(ScriptState* scriptState, |
| IDBKeyRange* keyRange, |
| WebIDBCursorDirection direction) { |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| request->setCursorDetails(IndexedDB::CursorKeyAndValue, direction); |
| backendDB()->openCursor(m_transaction->id(), m_objectStore->id(), id(), |
| keyRange, direction, false, WebIDBTaskTypeNormal, |
| request->createWebCallbacks().release()); |
| return request; |
| } |
| |
| IDBRequest* IDBIndex::count(ScriptState* scriptState, |
| const ScriptValue& range, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBIndex::count"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::indexDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue( |
| scriptState->getExecutionContext(), range, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| backendDB()->count(m_transaction->id(), m_objectStore->id(), id(), keyRange, |
| request->createWebCallbacks().release()); |
| return request; |
| } |
| |
| IDBRequest* IDBIndex::openKeyCursor(ScriptState* scriptState, |
| const ScriptValue& range, |
| const String& directionString, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBIndex::openKeyCursor"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::indexDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| WebIDBCursorDirection direction = |
| IDBCursor::stringToDirection(directionString); |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue( |
| scriptState->getExecutionContext(), range, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| request->setCursorDetails(IndexedDB::CursorKeyOnly, direction); |
| backendDB()->openCursor(m_transaction->id(), m_objectStore->id(), id(), |
| keyRange, direction, true, WebIDBTaskTypeNormal, |
| request->createWebCallbacks().release()); |
| return request; |
| } |
| |
| IDBRequest* IDBIndex::get(ScriptState* scriptState, |
| const ScriptValue& key, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBIndex::get"); |
| return getInternal(scriptState, key, exceptionState, false); |
| } |
| |
| IDBRequest* IDBIndex::getAll(ScriptState* scriptState, |
| const ScriptValue& range, |
| ExceptionState& exceptionState) { |
| return getAll(scriptState, range, std::numeric_limits<uint32_t>::max(), |
| exceptionState); |
| } |
| |
| IDBRequest* IDBIndex::getAll(ScriptState* scriptState, |
| const ScriptValue& range, |
| unsigned long maxCount, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBIndex::getAll"); |
| return getAllInternal(scriptState, range, maxCount, exceptionState, false); |
| } |
| |
| IDBRequest* IDBIndex::getAllKeys(ScriptState* scriptState, |
| const ScriptValue& range, |
| ExceptionState& exceptionState) { |
| return getAllKeys(scriptState, range, std::numeric_limits<uint32_t>::max(), |
| exceptionState); |
| } |
| |
| IDBRequest* IDBIndex::getAllKeys(ScriptState* scriptState, |
| const ScriptValue& range, |
| uint32_t maxCount, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBIndex::getAllKeys"); |
| return getAllInternal(scriptState, range, maxCount, exceptionState, |
| true /* keyOnly */); |
| } |
| |
| IDBRequest* IDBIndex::getKey(ScriptState* scriptState, |
| const ScriptValue& key, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBIndex::getKey"); |
| return getInternal(scriptState, key, exceptionState, true); |
| } |
| |
| IDBRequest* IDBIndex::getInternal(ScriptState* scriptState, |
| const ScriptValue& key, |
| ExceptionState& exceptionState, |
| bool keyOnly) { |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::indexDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue( |
| scriptState->getExecutionContext(), key, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| if (!keyRange) { |
| exceptionState.throwDOMException(DataError, |
| IDBDatabase::noKeyOrKeyRangeErrorMessage); |
| return nullptr; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| backendDB()->get(m_transaction->id(), m_objectStore->id(), id(), keyRange, |
| keyOnly, request->createWebCallbacks().release()); |
| return request; |
| } |
| |
| IDBRequest* IDBIndex::getAllInternal(ScriptState* scriptState, |
| const ScriptValue& range, |
| unsigned long maxCount, |
| ExceptionState& exceptionState, |
| bool keyOnly) { |
| if (!maxCount) |
| maxCount = std::numeric_limits<uint32_t>::max(); |
| |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::indexDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue( |
| scriptState->getExecutionContext(), range, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| backendDB()->getAll(m_transaction->id(), m_objectStore->id(), id(), keyRange, |
| maxCount, keyOnly, |
| request->createWebCallbacks().release()); |
| return request; |
| } |
| |
| WebIDBDatabase* IDBIndex::backendDB() const { |
| return m_transaction->backendDB(); |
| } |
| |
| } // namespace blink |
