| /* |
| * 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/IDBObjectStore.h" |
| |
| #include "bindings/core/v8/ExceptionState.h" |
| #include "bindings/core/v8/ExceptionStatePlaceholder.h" |
| #include "bindings/core/v8/ScriptState.h" |
| #include "bindings/modules/v8/IDBBindingUtilities.h" |
| #include "core/dom/DOMStringList.h" |
| #include "core/dom/ExceptionCode.h" |
| #include "core/dom/ExecutionContext.h" |
| #include "modules/indexeddb/IDBAny.h" |
| #include "modules/indexeddb/IDBCursorWithValue.h" |
| #include "modules/indexeddb/IDBDatabase.h" |
| #include "modules/indexeddb/IDBKeyPath.h" |
| #include "modules/indexeddb/IDBTracing.h" |
| #include "modules/indexeddb/WebIDBCallbacksImpl.h" |
| #include "platform/SharedBuffer.h" |
| #include "public/platform/WebBlobInfo.h" |
| #include "public/platform/WebData.h" |
| #include "public/platform/WebIDBKey.h" |
| #include "public/platform/WebIDBKeyRange.h" |
| #include "public/platform/WebVector.h" |
| #include <v8.h> |
| |
| using blink::WebBlobInfo; |
| using blink::WebIDBCallbacks; |
| using blink::WebIDBCursor; |
| using blink::WebIDBDatabase; |
| using blink::WebVector; |
| |
| namespace blink { |
| |
| IDBObjectStore::IDBObjectStore(const IDBObjectStoreMetadata& metadata, IDBTransaction* transaction) |
| : m_metadata(metadata) |
| , m_transaction(transaction) |
| , m_deleted(false) |
| { |
| ASSERT(m_transaction); |
| ScriptWrappable::init(this); |
| } |
| |
| void IDBObjectStore::trace(Visitor* visitor) |
| { |
| visitor->trace(m_transaction); |
| visitor->trace(m_indexMap); |
| } |
| |
| ScriptValue IDBObjectStore::keyPath(ScriptState* scriptState) const |
| { |
| return idbAnyToScriptValue(scriptState, IDBAny::create(m_metadata.keyPath)); |
| } |
| |
| PassRefPtrWillBeRawPtr<DOMStringList> IDBObjectStore::indexNames() const |
| { |
| IDB_TRACE("IDBObjectStore::indexNames"); |
| RefPtrWillBeRawPtr<DOMStringList> indexNames = DOMStringList::create(); |
| for (IDBObjectStoreMetadata::IndexMap::const_iterator it = m_metadata.indexes.begin(); it != m_metadata.indexes.end(); ++it) |
| indexNames->append(it->value.name); |
| indexNames->sort(); |
| return indexNames.release(); |
| } |
| |
| IDBRequest* IDBObjectStore::get(ScriptState* scriptState, const ScriptValue& key, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBObjectStore::get"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return 0; |
| } |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue(scriptState->executionContext(), key, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| if (!keyRange) { |
| exceptionState.throwDOMException(DataError, IDBDatabase::noKeyOrKeyRangeErrorMessage); |
| return 0; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage); |
| return 0; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), m_transaction.get()); |
| backendDB()->get(m_transaction->id(), id(), IDBIndexMetadata::InvalidId, keyRange, false, WebIDBCallbacksImpl::create(request).leakPtr()); |
| return request; |
| } |
| |
| static void generateIndexKeysForValue(v8::Isolate* isolate, const IDBIndexMetadata& indexMetadata, const ScriptValue& objectValue, IDBObjectStore::IndexKeys* indexKeys) |
| { |
| ASSERT(indexKeys); |
| IDBKey* indexKey = createIDBKeyFromScriptValueAndKeyPath(isolate, objectValue, indexMetadata.keyPath); |
| |
| if (!indexKey) |
| return; |
| |
| if (!indexMetadata.multiEntry || indexKey->type() != IDBKey::ArrayType) { |
| if (!indexKey->isValid()) |
| return; |
| |
| indexKeys->append(indexKey); |
| } else { |
| ASSERT(indexMetadata.multiEntry); |
| ASSERT(indexKey->type() == IDBKey::ArrayType); |
| indexKey = IDBKey::createMultiEntryArray(indexKey->array()); |
| |
| for (size_t i = 0; i < indexKey->array().size(); ++i) |
| indexKeys->append(indexKey->array()[i]); |
| } |
| } |
| |
| IDBRequest* IDBObjectStore::add(ScriptState* scriptState, ScriptValue& value, const ScriptValue& key, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBObjectStore::add"); |
| return put(scriptState, WebIDBPutModeAddOnly, IDBAny::create(this), value, key, exceptionState); |
| } |
| |
| IDBRequest* IDBObjectStore::put(ScriptState* scriptState, ScriptValue& value, const ScriptValue& key, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBObjectStore::put"); |
| return put(scriptState, WebIDBPutModeAddOrUpdate, IDBAny::create(this), value, key, exceptionState); |
| } |
| |
| IDBRequest* IDBObjectStore::put(ScriptState* scriptState, WebIDBPutMode putMode, IDBAny* source, ScriptValue& value, const ScriptValue& keyValue, ExceptionState& exceptionState) |
| { |
| IDBKey* key = keyValue.isUndefined() ? nullptr : scriptValueToIDBKey(scriptState->isolate(), keyValue); |
| return put(scriptState, putMode, source, value, key, exceptionState); |
| } |
| |
| IDBRequest* IDBObjectStore::put(ScriptState* scriptState, WebIDBPutMode putMode, IDBAny* source, ScriptValue& value, IDBKey* key, ExceptionState& exceptionState) |
| { |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isReadOnly()) { |
| exceptionState.throwDOMException(ReadOnlyError, IDBDatabase::transactionReadOnlyErrorMessage); |
| return 0; |
| } |
| |
| Vector<WebBlobInfo> blobInfo; |
| RefPtr<SerializedScriptValue> serializedValue = SerializedScriptValue::create(value, &blobInfo, exceptionState, scriptState->isolate()); |
| if (exceptionState.hadException()) |
| return 0; |
| |
| // Keys that need to be extracted must be taken from a clone so that |
| // side effects (i.e. getters) are not triggered. Construct the |
| // clone lazily since the operation may be expensive. |
| ScriptValue clone; |
| value.clear(); |
| |
| const IDBKeyPath& keyPath = m_metadata.keyPath; |
| const bool usesInLineKeys = !keyPath.isNull(); |
| const bool hasKeyGenerator = autoIncrement(); |
| |
| if (putMode != WebIDBPutModeCursorUpdate && usesInLineKeys && key) { |
| exceptionState.throwDOMException(DataError, "The object store uses in-line keys and the key parameter was provided."); |
| return 0; |
| } |
| |
| // This test logically belongs in IDBCursor, but must operate on the cloned value. |
| if (putMode == WebIDBPutModeCursorUpdate && usesInLineKeys) { |
| ASSERT(key); |
| if (clone.isEmpty()) |
| clone = deserializeScriptValue(scriptState, serializedValue.get(), &blobInfo); |
| IDBKey* keyPathKey = createIDBKeyFromScriptValueAndKeyPath(scriptState->isolate(), clone, keyPath); |
| if (!keyPathKey || !keyPathKey->isEqual(key)) { |
| exceptionState.throwDOMException(DataError, "The effective object store of this cursor uses in-line keys and evaluating the key path of the value parameter results in a different value than the cursor's effective key."); |
| return nullptr; |
| } |
| } |
| |
| if (!usesInLineKeys && !hasKeyGenerator && !key) { |
| exceptionState.throwDOMException(DataError, "The object store uses out-of-line keys and has no key generator and the key parameter was not provided."); |
| return 0; |
| } |
| if (usesInLineKeys) { |
| if (clone.isEmpty()) |
| clone = deserializeScriptValue(scriptState, serializedValue.get(), &blobInfo); |
| IDBKey* keyPathKey = createIDBKeyFromScriptValueAndKeyPath(scriptState->isolate(), clone, keyPath); |
| if (keyPathKey && !keyPathKey->isValid()) { |
| exceptionState.throwDOMException(DataError, "Evaluating the object store's key path yielded a value that is not a valid key."); |
| return 0; |
| } |
| if (!hasKeyGenerator && !keyPathKey) { |
| exceptionState.throwDOMException(DataError, "Evaluating the object store's key path did not yield a value."); |
| return 0; |
| } |
| if (hasKeyGenerator && !keyPathKey) { |
| if (!canInjectIDBKeyIntoScriptValue(scriptState->isolate(), clone, keyPath)) { |
| exceptionState.throwDOMException(DataError, "A generated key could not be inserted into the value."); |
| return 0; |
| } |
| } |
| if (keyPathKey) |
| key = keyPathKey; |
| } |
| if (key && !key->isValid()) { |
| exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage); |
| return 0; |
| } |
| |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage); |
| return 0; |
| } |
| |
| Vector<int64_t> indexIds; |
| HeapVector<IndexKeys> indexKeys; |
| for (IDBObjectStoreMetadata::IndexMap::const_iterator it = m_metadata.indexes.begin(); it != m_metadata.indexes.end(); ++it) { |
| if (clone.isEmpty()) |
| clone = deserializeScriptValue(scriptState, serializedValue.get(), &blobInfo); |
| IndexKeys keys; |
| generateIndexKeysForValue(scriptState->isolate(), it->value, clone, &keys); |
| indexIds.append(it->key); |
| indexKeys.append(keys); |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, source, m_transaction.get()); |
| Vector<char> wireBytes; |
| serializedValue->toWireBytes(wireBytes); |
| RefPtr<SharedBuffer> valueBuffer = SharedBuffer::adoptVector(wireBytes); |
| |
| backendDB()->put(m_transaction->id(), id(), WebData(valueBuffer), blobInfo, key, static_cast<WebIDBPutMode>(putMode), WebIDBCallbacksImpl::create(request).leakPtr(), indexIds, indexKeys); |
| return request; |
| } |
| |
| IDBRequest* IDBObjectStore::deleteFunction(ScriptState* scriptState, const ScriptValue& key, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBObjectStore::delete"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isReadOnly()) { |
| exceptionState.throwDOMException(ReadOnlyError, IDBDatabase::transactionReadOnlyErrorMessage); |
| return 0; |
| } |
| |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue(scriptState->executionContext(), key, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| if (!keyRange) { |
| exceptionState.throwDOMException(DataError, IDBDatabase::noKeyOrKeyRangeErrorMessage); |
| return 0; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage); |
| return 0; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), m_transaction.get()); |
| backendDB()->deleteRange(m_transaction->id(), id(), keyRange, WebIDBCallbacksImpl::create(request).leakPtr()); |
| return request; |
| } |
| |
| IDBRequest* IDBObjectStore::clear(ScriptState* scriptState, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBObjectStore::clear"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isReadOnly()) { |
| exceptionState.throwDOMException(ReadOnlyError, IDBDatabase::transactionReadOnlyErrorMessage); |
| return 0; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage); |
| return 0; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), m_transaction.get()); |
| backendDB()->clear(m_transaction->id(), id(), WebIDBCallbacksImpl::create(request).leakPtr()); |
| return request; |
| } |
| |
| namespace { |
| // This class creates the index keys for a given index by extracting |
| // them from the SerializedScriptValue, for all the existing values in |
| // the objectStore. It only needs to be kept alive by virtue of being |
| // a listener on an IDBRequest object, in the same way that JavaScript |
| // cursor success handlers are kept alive. |
| class IndexPopulator FINAL : public EventListener { |
| public: |
| static PassRefPtr<IndexPopulator> create(ScriptState* scriptState, IDBDatabase* database, int64_t transactionId, int64_t objectStoreId, const IDBIndexMetadata& indexMetadata) |
| { |
| return adoptRef(new IndexPopulator(scriptState, database, transactionId, objectStoreId, indexMetadata)); |
| } |
| |
| virtual bool operator==(const EventListener& other) OVERRIDE |
| { |
| return this == &other; |
| } |
| |
| private: |
| IndexPopulator(ScriptState* scriptState, IDBDatabase* database, int64_t transactionId, int64_t objectStoreId, const IDBIndexMetadata& indexMetadata) |
| : EventListener(CPPEventListenerType) |
| , m_scriptState(scriptState) |
| , m_database(database) |
| , m_transactionId(transactionId) |
| , m_objectStoreId(objectStoreId) |
| , m_indexMetadata(indexMetadata) |
| { |
| } |
| |
| virtual void handleEvent(ExecutionContext* executionContext, Event* event) OVERRIDE |
| { |
| ASSERT(m_scriptState->executionContext() == executionContext); |
| ASSERT(event->type() == EventTypeNames::success); |
| EventTarget* target = event->target(); |
| IDBRequest* request = static_cast<IDBRequest*>(target); |
| |
| if (!m_database->backend()) // If database is stopped? |
| return; |
| |
| IDBAny* cursorAny = request->resultAsAny(); |
| IDBCursorWithValue* cursor = 0; |
| if (cursorAny->type() == IDBAny::IDBCursorWithValueType) |
| cursor = cursorAny->idbCursorWithValue(); |
| |
| Vector<int64_t> indexIds; |
| indexIds.append(m_indexMetadata.id); |
| if (cursor && !cursor->isDeleted()) { |
| cursor->continueFunction(static_cast<IDBKey*>(0), static_cast<IDBKey*>(0), ASSERT_NO_EXCEPTION); |
| |
| IDBKey* primaryKey = cursor->idbPrimaryKey(); |
| ScriptValue value = cursor->value(m_scriptState.get()); |
| |
| IDBObjectStore::IndexKeys indexKeys; |
| generateIndexKeysForValue(m_scriptState->isolate(), m_indexMetadata, value, &indexKeys); |
| |
| HeapVector<IDBObjectStore::IndexKeys> indexKeysList; |
| indexKeysList.append(indexKeys); |
| |
| m_database->backend()->setIndexKeys(m_transactionId, m_objectStoreId, primaryKey, indexIds, indexKeysList); |
| } else { |
| // Now that we are done indexing, tell the backend to go |
| // back to processing tasks of type NormalTask. |
| m_database->backend()->setIndexesReady(m_transactionId, m_objectStoreId, indexIds); |
| m_database.clear(); |
| } |
| |
| } |
| |
| RefPtr<ScriptState> m_scriptState; |
| Persistent<IDBDatabase> m_database; |
| const int64_t m_transactionId; |
| const int64_t m_objectStoreId; |
| const IDBIndexMetadata m_indexMetadata; |
| }; |
| } |
| |
| IDBIndex* IDBObjectStore::createIndex(ScriptState* scriptState, const String& name, const IDBKeyPath& keyPath, const Dictionary& options, ExceptionState& exceptionState) |
| { |
| bool unique = false; |
| DictionaryHelper::get(options, "unique", unique); |
| |
| bool multiEntry = false; |
| DictionaryHelper::get(options, "multiEntry", multiEntry); |
| |
| return createIndex(scriptState, name, keyPath, unique, multiEntry, exceptionState); |
| } |
| |
| IDBIndex* IDBObjectStore::createIndex(ScriptState* scriptState, const String& name, const IDBKeyPath& keyPath, bool unique, bool multiEntry, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBObjectStore::createIndex"); |
| if (!m_transaction->isVersionChange()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::notVersionChangeTransactionErrorMessage); |
| return 0; |
| } |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return 0; |
| } |
| if (!keyPath.isValid()) { |
| exceptionState.throwDOMException(SyntaxError, "The keyPath argument contains an invalid key path."); |
| return 0; |
| } |
| if (name.isNull()) { |
| exceptionState.throwTypeError("The name provided is null."); |
| return 0; |
| } |
| if (containsIndex(name)) { |
| exceptionState.throwDOMException(ConstraintError, "An index with the specified name already exists."); |
| return 0; |
| } |
| |
| if (keyPath.type() == IDBKeyPath::ArrayType && multiEntry) { |
| exceptionState.throwDOMException(InvalidAccessError, "The keyPath argument was an array and the multiEntry option is true."); |
| return 0; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage); |
| return 0; |
| } |
| |
| int64_t indexId = m_metadata.maxIndexId + 1; |
| backendDB()->createIndex(m_transaction->id(), id(), indexId, name, keyPath, unique, multiEntry); |
| |
| ++m_metadata.maxIndexId; |
| |
| IDBIndexMetadata metadata(name, indexId, keyPath, unique, multiEntry); |
| IDBIndex* index = IDBIndex::create(metadata, this, m_transaction.get()); |
| m_indexMap.set(name, index); |
| m_metadata.indexes.set(indexId, metadata); |
| m_transaction->db()->indexCreated(id(), metadata); |
| |
| ASSERT(!exceptionState.hadException()); |
| if (exceptionState.hadException()) |
| return 0; |
| |
| IDBRequest* indexRequest = openCursor(scriptState, static_cast<IDBKeyRange*>(0), WebIDBCursorDirectionNext, WebIDBTaskTypePreemptive); |
| indexRequest->preventPropagation(); |
| |
| // This is kept alive by being the success handler of the request, which is in turn kept alive by the owning transaction. |
| RefPtr<IndexPopulator> indexPopulator = IndexPopulator::create(scriptState, transaction()->db(), m_transaction->id(), id(), metadata); |
| indexRequest->setOnsuccess(indexPopulator); |
| return index; |
| } |
| |
| IDBIndex* IDBObjectStore::index(const String& name, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBObjectStore::index"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| |
| IDBIndexMap::iterator it = m_indexMap.find(name); |
| if (it != m_indexMap.end()) |
| return it->value; |
| |
| int64_t indexId = findIndexId(name); |
| if (indexId == IDBIndexMetadata::InvalidId) { |
| exceptionState.throwDOMException(NotFoundError, IDBDatabase::noSuchIndexErrorMessage); |
| return 0; |
| } |
| |
| const IDBIndexMetadata* indexMetadata(0); |
| for (IDBObjectStoreMetadata::IndexMap::const_iterator it = m_metadata.indexes.begin(); it != m_metadata.indexes.end(); ++it) { |
| if (it->value.name == name) { |
| indexMetadata = &it->value; |
| break; |
| } |
| } |
| ASSERT(indexMetadata); |
| ASSERT(indexMetadata->id != IDBIndexMetadata::InvalidId); |
| |
| IDBIndex* index = IDBIndex::create(*indexMetadata, this, m_transaction.get()); |
| m_indexMap.set(name, index); |
| return index; |
| } |
| |
| void IDBObjectStore::deleteIndex(const String& name, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBObjectStore::deleteIndex"); |
| if (!m_transaction->isVersionChange()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::notVersionChangeTransactionErrorMessage); |
| return; |
| } |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return; |
| } |
| int64_t indexId = findIndexId(name); |
| if (indexId == IDBIndexMetadata::InvalidId) { |
| exceptionState.throwDOMException(NotFoundError, IDBDatabase::noSuchIndexErrorMessage); |
| return; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage); |
| return; |
| } |
| |
| backendDB()->deleteIndex(m_transaction->id(), id(), indexId); |
| |
| m_metadata.indexes.remove(indexId); |
| m_transaction->db()->indexDeleted(id(), indexId); |
| IDBIndexMap::iterator it = m_indexMap.find(name); |
| if (it != m_indexMap.end()) { |
| it->value->markDeleted(); |
| m_indexMap.remove(name); |
| } |
| } |
| |
| IDBRequest* IDBObjectStore::openCursor(ScriptState* scriptState, const ScriptValue& range, const String& directionString, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBObjectStore::openCursor"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return 0; |
| } |
| |
| WebIDBCursorDirection direction = IDBCursor::stringToDirection(directionString, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue(scriptState->executionContext(), range, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage); |
| return 0; |
| } |
| |
| return openCursor(scriptState, keyRange, direction, WebIDBTaskTypeNormal); |
| } |
| |
| IDBRequest* IDBObjectStore::openCursor(ScriptState* scriptState, IDBKeyRange* range, WebIDBCursorDirection direction, WebIDBTaskType taskType) |
| { |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), m_transaction.get()); |
| request->setCursorDetails(IndexedDB::CursorKeyAndValue, direction); |
| |
| backendDB()->openCursor(m_transaction->id(), id(), IDBIndexMetadata::InvalidId, range, direction, false, taskType, WebIDBCallbacksImpl::create(request).leakPtr()); |
| return request; |
| } |
| |
| IDBRequest* IDBObjectStore::openKeyCursor(ScriptState* scriptState, const ScriptValue& range, const String& directionString, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBObjectStore::openKeyCursor"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return 0; |
| } |
| |
| WebIDBCursorDirection direction = IDBCursor::stringToDirection(directionString, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue(scriptState->executionContext(), range, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage); |
| return 0; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), m_transaction.get()); |
| request->setCursorDetails(IndexedDB::CursorKeyOnly, direction); |
| |
| backendDB()->openCursor(m_transaction->id(), id(), IDBIndexMetadata::InvalidId, keyRange, direction, true, WebIDBTaskTypeNormal, WebIDBCallbacksImpl::create(request).leakPtr()); |
| return request; |
| } |
| |
| IDBRequest* IDBObjectStore::count(ScriptState* scriptState, const ScriptValue& range, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBObjectStore::count"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return 0; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return 0; |
| } |
| |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue(scriptState->executionContext(), range, exceptionState); |
| if (exceptionState.hadException()) |
| return 0; |
| |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage); |
| return 0; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), m_transaction.get()); |
| backendDB()->count(m_transaction->id(), id(), IDBIndexMetadata::InvalidId, keyRange, WebIDBCallbacksImpl::create(request).leakPtr()); |
| return request; |
| } |
| |
| void IDBObjectStore::transactionFinished() |
| { |
| ASSERT(m_transaction->isFinished()); |
| |
| // Break reference cycles. |
| m_indexMap.clear(); |
| } |
| |
| int64_t IDBObjectStore::findIndexId(const String& name) const |
| { |
| for (IDBObjectStoreMetadata::IndexMap::const_iterator it = m_metadata.indexes.begin(); it != m_metadata.indexes.end(); ++it) { |
| if (it->value.name == name) { |
| ASSERT(it->key != IDBIndexMetadata::InvalidId); |
| return it->key; |
| } |
| } |
| return IDBIndexMetadata::InvalidId; |
| } |
| |
| WebIDBDatabase* IDBObjectStore::backendDB() const |
| { |
| return m_transaction->backendDB(); |
| } |
| |
| } // namespace blink |