| /* |
| * 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 "config.h" |
| #include "modules/indexeddb/IDBIndex.h" |
| |
| #include "bindings/v8/ExceptionState.h" |
| #include "bindings/v8/IDBBindingUtilities.h" |
| #include "core/dom/ExceptionCode.h" |
| #include "core/dom/ExecutionContext.h" |
| #include "modules/indexeddb/IDBDatabase.h" |
| #include "modules/indexeddb/IDBKey.h" |
| #include "modules/indexeddb/IDBTracing.h" |
| #include "modules/indexeddb/IDBTransaction.h" |
| #include "modules/indexeddb/WebIDBCallbacksImpl.h" |
| #include "public/platform/WebIDBKeyRange.h" |
| |
| using blink::WebIDBDatabase; |
| using blink::WebIDBCallbacks; |
| |
| namespace WebCore { |
| |
| IDBIndex::IDBIndex(const IDBIndexMetadata& metadata, IDBObjectStore* objectStore, IDBTransaction* transaction) |
| : m_metadata(metadata) |
| , m_objectStore(objectStore) |
| , m_transaction(transaction) |
| , m_deleted(false) |
| { |
| ASSERT(m_objectStore); |
| ASSERT(m_transaction); |
| ASSERT(m_metadata.id != IDBIndexMetadata::InvalidId); |
| ScriptWrappable::init(this); |
| } |
| |
| IDBIndex::~IDBIndex() |
| { |
| } |
| |
| ScriptValue IDBIndex::keyPath(ExecutionContext* context) const |
| { |
| DOMRequestState requestState(context); |
| return idbAnyToScriptValue(&requestState, IDBAny::create(m_metadata.keyPath)); |
| } |
| |
| PassRefPtr<IDBRequest> IDBIndex::openCursor(ExecutionContext* context, const ScriptValue& range, const String& directionString, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBIndex::openCursor"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::indexDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return 0; |
| } |
| IndexedDB::CursorDirection direction = IDBCursor::stringToDirection(directionString, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| |
| RefPtr<IDBKeyRange> keyRange = IDBKeyRange::fromScriptValue(context, range, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| |
| return openCursor(context, keyRange.release(), direction); |
| } |
| |
| PassRefPtr<IDBRequest> IDBIndex::openCursor(ExecutionContext* context, PassRefPtr<IDBKeyRange> keyRange, IndexedDB::CursorDirection direction) |
| { |
| RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get()); |
| request->setCursorDetails(IndexedDB::CursorKeyAndValue, direction); |
| backendDB()->openCursor(m_transaction->id(), m_objectStore->id(), m_metadata.id, keyRange, direction, false, WebIDBDatabase::NormalTask, WebIDBCallbacksImpl::create(request).leakPtr()); |
| return request; |
| } |
| |
| PassRefPtr<IDBRequest> IDBIndex::count(ExecutionContext* context, const ScriptValue& range, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBIndex::count"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::indexDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return 0; |
| } |
| |
| RefPtr<IDBKeyRange> keyRange = IDBKeyRange::fromScriptValue(context, range, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| |
| RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get()); |
| backendDB()->count(m_transaction->id(), m_objectStore->id(), m_metadata.id, keyRange.release(), WebIDBCallbacksImpl::create(request).leakPtr()); |
| return request; |
| } |
| |
| PassRefPtr<IDBRequest> IDBIndex::openKeyCursor(ExecutionContext* context, const ScriptValue& range, const String& directionString, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBIndex::openKeyCursor"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::indexDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return 0; |
| } |
| IndexedDB::CursorDirection direction = IDBCursor::stringToDirection(directionString, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| |
| RefPtr<IDBKeyRange> keyRange = IDBKeyRange::fromScriptValue(context, range, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| |
| RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get()); |
| request->setCursorDetails(IndexedDB::CursorKeyOnly, direction); |
| backendDB()->openCursor(m_transaction->id(), m_objectStore->id(), m_metadata.id, keyRange.release(), direction, true, WebIDBDatabase::NormalTask, WebIDBCallbacksImpl::create(request).leakPtr()); |
| return request; |
| } |
| |
| PassRefPtr<IDBRequest> IDBIndex::get(ExecutionContext* context, const ScriptValue& key, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBIndex::get"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::indexDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return 0; |
| } |
| |
| RefPtr<IDBKeyRange> keyRange = IDBKeyRange::fromScriptValue(context, key, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| if (!keyRange) { |
| exceptionState.throwDOMException(DataError, IDBDatabase::noKeyOrKeyRangeErrorMessage); |
| return 0; |
| } |
| |
| RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get()); |
| backendDB()->get(m_transaction->id(), m_objectStore->id(), m_metadata.id, keyRange.release(), false, WebIDBCallbacksImpl::create(request).leakPtr()); |
| return request; |
| } |
| |
| PassRefPtr<IDBRequest> IDBIndex::getKey(ExecutionContext* context, const ScriptValue& key, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBIndex::getKey"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::indexDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return 0; |
| } |
| |
| RefPtr<IDBKeyRange> keyRange = IDBKeyRange::fromScriptValue(context, key, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| if (!keyRange) { |
| exceptionState.throwDOMException(DataError, IDBDatabase::noKeyOrKeyRangeErrorMessage); |
| return 0; |
| } |
| |
| RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get()); |
| backendDB()->get(m_transaction->id(), m_objectStore->id(), m_metadata.id, keyRange.release(), true, WebIDBCallbacksImpl::create(request).leakPtr()); |
| return request; |
| } |
| |
| WebIDBDatabase* IDBIndex::backendDB() const |
| { |
| return m_transaction->backendDB(); |
| } |
| |
| bool IDBIndex::isDeleted() const |
| { |
| return m_deleted || m_objectStore->isDeleted(); |
| } |
| |
| } // namespace WebCore |