| /* |
| * 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 <memory> |
| #include "bindings/core/v8/ExceptionState.h" |
| #include "bindings/core/v8/ToV8ForCore.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" |
| |
| using blink::WebIDBCallbacks; |
| using blink::WebIDBCursor; |
| using blink::WebIDBDatabase; |
| |
| namespace blink { |
| |
| IDBIndex::IDBIndex(scoped_refptr<IDBIndexMetadata> metadata, |
| IDBObjectStore* object_store, |
| IDBTransaction* transaction) |
| : metadata_(std::move(metadata)), |
| object_store_(object_store), |
| transaction_(transaction) { |
| DCHECK(object_store_); |
| DCHECK(transaction_); |
| DCHECK(metadata_.get()); |
| DCHECK_NE(Id(), IDBIndexMetadata::kInvalidId); |
| } |
| |
| IDBIndex::~IDBIndex() {} |
| |
| void IDBIndex::Trace(blink::Visitor* visitor) { |
| visitor->Trace(object_store_); |
| visitor->Trace(transaction_); |
| ScriptWrappable::Trace(visitor); |
| } |
| |
| void IDBIndex::setName(const String& name, ExceptionState& exception_state) { |
| IDB_TRACE("IDBIndex::setName"); |
| if (!transaction_->IsVersionChange()) { |
| exception_state.ThrowDOMException( |
| kInvalidStateError, |
| IDBDatabase::kNotVersionChangeTransactionErrorMessage); |
| return; |
| } |
| if (IsDeleted()) { |
| exception_state.ThrowDOMException(kInvalidStateError, |
| IDBDatabase::kIndexDeletedErrorMessage); |
| return; |
| } |
| if (!transaction_->IsActive()) { |
| exception_state.ThrowDOMException(kTransactionInactiveError, |
| transaction_->InactiveErrorMessage()); |
| return; |
| } |
| |
| if (this->name() == name) |
| return; |
| if (object_store_->ContainsIndex(name)) { |
| exception_state.ThrowDOMException(kConstraintError, |
| IDBDatabase::kIndexNameTakenErrorMessage); |
| return; |
| } |
| if (!BackendDB()) { |
| exception_state.ThrowDOMException(kInvalidStateError, |
| IDBDatabase::kDatabaseClosedErrorMessage); |
| return; |
| } |
| |
| object_store_->RenameIndex(Id(), name); |
| } |
| |
| ScriptValue IDBIndex::keyPath(ScriptState* script_state) const { |
| return ScriptValue::From(script_state, Metadata().key_path); |
| } |
| |
| void IDBIndex::RevertMetadata(scoped_refptr<IDBIndexMetadata> old_metadata) { |
| metadata_ = std::move(old_metadata); |
| |
| // An index's metadata will only get reverted if the index was in the |
| // database when the versionchange transaction started. |
| deleted_ = false; |
| } |
| |
| IDBRequest* IDBIndex::openCursor(ScriptState* script_state, |
| const ScriptValue& range, |
| const String& direction_string, |
| ExceptionState& exception_state) { |
| IDB_TRACE1("IDBIndex::openCursorRequestSetup", "index_name", |
| metadata_->name.Utf8()); |
| IDBRequest::AsyncTraceState metrics("IDBIndex::openCursor"); |
| if (IsDeleted()) { |
| exception_state.ThrowDOMException(kInvalidStateError, |
| IDBDatabase::kIndexDeletedErrorMessage); |
| return nullptr; |
| } |
| if (!transaction_->IsActive()) { |
| exception_state.ThrowDOMException(kTransactionInactiveError, |
| transaction_->InactiveErrorMessage()); |
| return nullptr; |
| } |
| WebIDBCursorDirection direction = |
| IDBCursor::StringToDirection(direction_string); |
| IDBKeyRange* key_range = IDBKeyRange::FromScriptValue( |
| ExecutionContext::From(script_state), range, exception_state); |
| if (exception_state.HadException()) |
| return nullptr; |
| |
| if (!BackendDB()) { |
| exception_state.ThrowDOMException(kInvalidStateError, |
| IDBDatabase::kDatabaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| return openCursor(script_state, key_range, direction, std::move(metrics)); |
| } |
| |
| IDBRequest* IDBIndex::openCursor(ScriptState* script_state, |
| IDBKeyRange* key_range, |
| WebIDBCursorDirection direction, |
| IDBRequest::AsyncTraceState metrics) { |
| IDBRequest* request = |
| IDBRequest::Create(script_state, IDBAny::Create(this), transaction_.Get(), |
| std::move(metrics)); |
| request->SetCursorDetails(IndexedDB::kCursorKeyAndValue, direction); |
| BackendDB()->OpenCursor(transaction_->Id(), object_store_->Id(), Id(), |
| key_range, direction, false, kWebIDBTaskTypeNormal, |
| request->CreateWebCallbacks().release()); |
| return request; |
| } |
| |
| IDBRequest* IDBIndex::count(ScriptState* script_state, |
| const ScriptValue& range, |
| ExceptionState& exception_state) { |
| IDB_TRACE1("IDBIndex::countRequestSetup", "index_name", |
| metadata_->name.Utf8()); |
| IDBRequest::AsyncTraceState metrics("IDBIndex::count"); |
| if (IsDeleted()) { |
| exception_state.ThrowDOMException(kInvalidStateError, |
| IDBDatabase::kIndexDeletedErrorMessage); |
| return nullptr; |
| } |
| if (!transaction_->IsActive()) { |
| exception_state.ThrowDOMException(kTransactionInactiveError, |
| transaction_->InactiveErrorMessage()); |
| return nullptr; |
| } |
| |
| IDBKeyRange* key_range = IDBKeyRange::FromScriptValue( |
| ExecutionContext::From(script_state), range, exception_state); |
| if (exception_state.HadException()) |
| return nullptr; |
| |
| if (!BackendDB()) { |
| exception_state.ThrowDOMException(kInvalidStateError, |
| IDBDatabase::kDatabaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = |
| IDBRequest::Create(script_state, IDBAny::Create(this), transaction_.Get(), |
| std::move(metrics)); |
| BackendDB()->Count(transaction_->Id(), object_store_->Id(), Id(), key_range, |
| request->CreateWebCallbacks().release()); |
| return request; |
| } |
| |
| IDBRequest* IDBIndex::openKeyCursor(ScriptState* script_state, |
| const ScriptValue& range, |
| const String& direction_string, |
| ExceptionState& exception_state) { |
| IDB_TRACE1("IDBIndex::openKeyCursorRequestSetup", "index_name", |
| metadata_->name.Utf8()); |
| IDBRequest::AsyncTraceState metrics("IDBIndex::openKeyCursor"); |
| if (IsDeleted()) { |
| exception_state.ThrowDOMException(kInvalidStateError, |
| IDBDatabase::kIndexDeletedErrorMessage); |
| return nullptr; |
| } |
| if (!transaction_->IsActive()) { |
| exception_state.ThrowDOMException(kTransactionInactiveError, |
| transaction_->InactiveErrorMessage()); |
| return nullptr; |
| } |
| WebIDBCursorDirection direction = |
| IDBCursor::StringToDirection(direction_string); |
| IDBKeyRange* key_range = IDBKeyRange::FromScriptValue( |
| ExecutionContext::From(script_state), range, exception_state); |
| if (exception_state.HadException()) |
| return nullptr; |
| if (!BackendDB()) { |
| exception_state.ThrowDOMException(kInvalidStateError, |
| IDBDatabase::kDatabaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = |
| IDBRequest::Create(script_state, IDBAny::Create(this), transaction_.Get(), |
| std::move(metrics)); |
| request->SetCursorDetails(IndexedDB::kCursorKeyOnly, direction); |
| BackendDB()->OpenCursor(transaction_->Id(), object_store_->Id(), Id(), |
| key_range, direction, true, kWebIDBTaskTypeNormal, |
| request->CreateWebCallbacks().release()); |
| return request; |
| } |
| |
| IDBRequest* IDBIndex::get(ScriptState* script_state, |
| const ScriptValue& key, |
| ExceptionState& exception_state) { |
| IDB_TRACE1("IDBIndex::getRequestSetup", "index_name", metadata_->name.Utf8()); |
| IDBRequest::AsyncTraceState metrics("IDBIndex::get"); |
| return GetInternal(script_state, key, exception_state, false, |
| std::move(metrics)); |
| } |
| |
| IDBRequest* IDBIndex::getAll(ScriptState* script_state, |
| const ScriptValue& range, |
| ExceptionState& exception_state) { |
| return getAll(script_state, range, std::numeric_limits<uint32_t>::max(), |
| exception_state); |
| } |
| |
| IDBRequest* IDBIndex::getAll(ScriptState* script_state, |
| const ScriptValue& range, |
| unsigned long max_count, |
| ExceptionState& exception_state) { |
| IDB_TRACE1("IDBIndex::getAllRequestSetup", "index_name", |
| metadata_->name.Utf8()); |
| IDBRequest::AsyncTraceState metrics("IDBIndex::getAll"); |
| return GetAllInternal(script_state, range, max_count, exception_state, false, |
| std::move(metrics)); |
| } |
| |
| IDBRequest* IDBIndex::getAllKeys(ScriptState* script_state, |
| const ScriptValue& range, |
| ExceptionState& exception_state) { |
| return getAllKeys(script_state, range, std::numeric_limits<uint32_t>::max(), |
| exception_state); |
| } |
| |
| IDBRequest* IDBIndex::getAllKeys(ScriptState* script_state, |
| const ScriptValue& range, |
| uint32_t max_count, |
| ExceptionState& exception_state) { |
| IDB_TRACE1("IDBIndex::getAllKeysRequestSetup", "index_name", |
| metadata_->name.Utf8()); |
| IDBRequest::AsyncTraceState metrics("IDBIndex::getAllKeys"); |
| return GetAllInternal(script_state, range, max_count, exception_state, |
| /*key_only=*/true, std::move(metrics)); |
| } |
| |
| IDBRequest* IDBIndex::getKey(ScriptState* script_state, |
| const ScriptValue& key, |
| ExceptionState& exception_state) { |
| IDB_TRACE1("IDBIndex::getKeyRequestSetup", "index_name", |
| metadata_->name.Utf8()); |
| IDBRequest::AsyncTraceState metrics("IDBIndex::getKey"); |
| return GetInternal(script_state, key, exception_state, true, |
| std::move(metrics)); |
| } |
| |
| IDBRequest* IDBIndex::GetInternal(ScriptState* script_state, |
| const ScriptValue& key, |
| ExceptionState& exception_state, |
| bool key_only, |
| IDBRequest::AsyncTraceState metrics) { |
| if (IsDeleted()) { |
| exception_state.ThrowDOMException(kInvalidStateError, |
| IDBDatabase::kIndexDeletedErrorMessage); |
| return nullptr; |
| } |
| if (!transaction_->IsActive()) { |
| exception_state.ThrowDOMException(kTransactionInactiveError, |
| transaction_->InactiveErrorMessage()); |
| return nullptr; |
| } |
| |
| IDBKeyRange* key_range = IDBKeyRange::FromScriptValue( |
| ExecutionContext::From(script_state), key, exception_state); |
| if (exception_state.HadException()) |
| return nullptr; |
| if (!key_range) { |
| exception_state.ThrowDOMException( |
| kDataError, IDBDatabase::kNoKeyOrKeyRangeErrorMessage); |
| return nullptr; |
| } |
| if (!BackendDB()) { |
| exception_state.ThrowDOMException(kInvalidStateError, |
| IDBDatabase::kDatabaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = |
| IDBRequest::Create(script_state, IDBAny::Create(this), transaction_.Get(), |
| std::move(metrics)); |
| BackendDB()->Get(transaction_->Id(), object_store_->Id(), Id(), key_range, |
| key_only, request->CreateWebCallbacks().release()); |
| return request; |
| } |
| |
| IDBRequest* IDBIndex::GetAllInternal(ScriptState* script_state, |
| const ScriptValue& range, |
| unsigned long max_count, |
| ExceptionState& exception_state, |
| bool key_only, |
| IDBRequest::AsyncTraceState metrics) { |
| if (!max_count) |
| max_count = std::numeric_limits<uint32_t>::max(); |
| |
| if (IsDeleted()) { |
| exception_state.ThrowDOMException(kInvalidStateError, |
| IDBDatabase::kIndexDeletedErrorMessage); |
| return nullptr; |
| } |
| if (!transaction_->IsActive()) { |
| exception_state.ThrowDOMException(kTransactionInactiveError, |
| transaction_->InactiveErrorMessage()); |
| return nullptr; |
| } |
| |
| IDBKeyRange* key_range = IDBKeyRange::FromScriptValue( |
| ExecutionContext::From(script_state), range, exception_state); |
| if (exception_state.HadException()) |
| return nullptr; |
| if (!BackendDB()) { |
| exception_state.ThrowDOMException(kInvalidStateError, |
| IDBDatabase::kDatabaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = |
| IDBRequest::Create(script_state, IDBAny::Create(this), transaction_.Get(), |
| std::move(metrics)); |
| BackendDB()->GetAll(transaction_->Id(), object_store_->Id(), Id(), key_range, |
| max_count, key_only, |
| request->CreateWebCallbacks().release()); |
| return request; |
| } |
| |
| WebIDBDatabase* IDBIndex::BackendDB() const { |
| return transaction_->BackendDB(); |
| } |
| |
| } // namespace blink |
