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/*
* 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 "config.h"
#include "core/dom/DataTransferItemList.h"
#include "bindings/v8/ExceptionState.h"
#include "core/dom/Clipboard.h"
#include "core/dom/DataTransferItem.h"
#include "core/dom/ExceptionCode.h"
#include "core/platform/chromium/ChromiumDataObject.h"
namespace WebCore {
PassRefPtr<DataTransferItemList> DataTransferItemList::create(PassRefPtr<Clipboard> clipboard, PassRefPtr<ChromiumDataObject> list)
{
return adoptRef(new DataTransferItemList(clipboard, list));
}
DataTransferItemList::~DataTransferItemList()
{
}
size_t DataTransferItemList::length() const
{
if (!m_clipboard->canReadTypes())
return 0;
return m_dataObject->length();
}
PassRefPtr<DataTransferItem> DataTransferItemList::item(unsigned long index)
{
if (!m_clipboard->canReadTypes())
return 0;
RefPtr<ChromiumDataObjectItem> item = m_dataObject->item(index);
if (!item)
return 0;
return DataTransferItem::create(m_clipboard, item);
}
void DataTransferItemList::deleteItem(unsigned long index, ExceptionState& exceptionState)
{
if (!m_clipboard->canWriteData()) {
exceptionState.throwDOMException(InvalidStateError, "The list is not writable.");
return;
}
m_dataObject->deleteItem(index);
}
void DataTransferItemList::clear()
{
if (!m_clipboard->canWriteData())
return;
m_dataObject->clearAll();
}
PassRefPtr<DataTransferItem> DataTransferItemList::add(const String& data, const String& type, ExceptionState& exceptionState)
{
if (!m_clipboard->canWriteData())
return 0;
RefPtr<ChromiumDataObjectItem> item = m_dataObject->add(data, type);
if (!item) {
exceptionState.throwDOMException(NotSupportedError, "An item already exists for type '" + type + "'.");
return 0;
}
return DataTransferItem::create(m_clipboard, item);
}
PassRefPtr<DataTransferItem> DataTransferItemList::add(PassRefPtr<File> file)
{
if (!m_clipboard->canWriteData())
return 0;
RefPtr<ChromiumDataObjectItem> item = m_dataObject->add(file);
if (!item)
return 0;
return DataTransferItem::create(m_clipboard, item);
}
DataTransferItemList::DataTransferItemList(PassRefPtr<Clipboard> clipboard, PassRefPtr<ChromiumDataObject> dataObject)
: m_clipboard(clipboard)
, m_dataObject(dataObject)
{
ScriptWrappable::init(this);
}
} // namespace WebCore
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