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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
* Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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 "DataTransferItems.h"
#include "DataTransferItem.h"
#include "ExceptionCode.h"
#if ENABLE(DATA_TRANSFER_ITEMS)
namespace WebCore {
DataTransferItems::DataTransferItems(RefPtr<Clipboard> clipboard, ScriptExecutionContext* context)
: m_owner(clipboard)
, m_context(context)
{
}
size_t DataTransferItems::length() const
{
if (m_owner->policy() == ClipboardNumb)
return 0;
return m_items.size();
}
PassRefPtr<DataTransferItem> DataTransferItems::item(unsigned long index)
{
if (m_owner->policy() == ClipboardNumb || index >= length())
return 0;
return m_items[index];
}
void DataTransferItems::deleteItem(unsigned long index, ExceptionCode& ec)
{
if (m_owner->policy() != ClipboardWritable) {
ec = INVALID_STATE_ERR;
return;
}
if (index >= length())
return;
m_items.remove(index);
}
void DataTransferItems::clear()
{
if (m_owner->policy() != ClipboardWritable)
return;
m_items.clear();
}
void DataTransferItems::add(const String& data, const String& type, ExceptionCode& ec)
{
if (m_owner->policy() != ClipboardWritable)
return;
// Only one 'string' item with a given type is allowed in the collection.
for (size_t i = 0; i < m_items.size(); ++i) {
if (m_items[i]->type() == type && m_items[i]->kind() == DataTransferItem::kindString) {
ec = INVALID_STATE_ERR;
return;
}
}
m_items.append(DataTransferItem::create(m_owner, m_context, data, type));
}
}
#endif
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