| /* |
| * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. |
| * Copyright (C) 2008, 2009 Google Inc. |
| * |
| * 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 COMPUTER, INC. ``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 COMPUTER, INC. OR |
| * 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 "third_party/blink/renderer/core/clipboard/data_transfer_item_list.h" |
| |
| #include "third_party/blink/renderer/core/clipboard/data_object.h" |
| #include "third_party/blink/renderer/core/clipboard/data_transfer.h" |
| #include "third_party/blink/renderer/core/clipboard/data_transfer_item.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| |
| namespace blink { |
| |
| DataTransferItemList* DataTransferItemList::Create(DataTransfer* data_transfer, |
| DataObject* list) { |
| return new DataTransferItemList(data_transfer, list); |
| } |
| |
| uint32_t DataTransferItemList::length() const { |
| if (!data_transfer_->CanReadTypes()) |
| return 0; |
| return data_object_->length(); |
| } |
| |
| DataTransferItem* DataTransferItemList::item(uint32_t index) { |
| if (!data_transfer_->CanReadTypes()) |
| return nullptr; |
| DataObjectItem* item = data_object_->Item(index); |
| if (!item) |
| return nullptr; |
| |
| return DataTransferItem::Create(data_transfer_, item); |
| } |
| |
| void DataTransferItemList::deleteItem(uint32_t index, |
| ExceptionState& exception_state) { |
| if (!data_transfer_->CanWriteData()) { |
| exception_state.ThrowDOMException(DOMExceptionCode::kInvalidStateError, |
| "The list is not writable."); |
| return; |
| } |
| data_object_->DeleteItem(index); |
| } |
| |
| void DataTransferItemList::clear() { |
| if (!data_transfer_->CanWriteData()) |
| return; |
| data_object_->ClearAll(); |
| } |
| |
| DataTransferItem* DataTransferItemList::add(const String& data, |
| const String& type, |
| ExceptionState& exception_state) { |
| if (!data_transfer_->CanWriteData()) |
| return nullptr; |
| DataObjectItem* item = data_object_->Add(data, type); |
| if (!item) { |
| exception_state.ThrowDOMException( |
| DOMExceptionCode::kNotSupportedError, |
| "An item already exists for type '" + type + "'."); |
| return nullptr; |
| } |
| return DataTransferItem::Create(data_transfer_, item); |
| } |
| |
| DataTransferItem* DataTransferItemList::add(File* file) { |
| if (!data_transfer_->CanWriteData()) |
| return nullptr; |
| DataObjectItem* item = data_object_->Add(file); |
| if (!item) |
| return nullptr; |
| return DataTransferItem::Create(data_transfer_, item); |
| } |
| |
| DataTransferItemList::DataTransferItemList(DataTransfer* data_transfer, |
| DataObject* data_object) |
| : data_transfer_(data_transfer), data_object_(data_object) {} |
| |
| void DataTransferItemList::Trace(blink::Visitor* visitor) { |
| visitor->Trace(data_transfer_); |
| visitor->Trace(data_object_); |
| ScriptWrappable::Trace(visitor); |
| } |
| |
| } // namespace blink |