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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
* Copyright (C) 2017 Apple 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:
*
* * 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 "DataTransferItem.h"
#include "DOMFileSystem.h"
#include "DataTransferItemList.h"
#include "Document.h"
#include "File.h"
#include "FileSystemDirectoryEntry.h"
#include "FileSystemFileEntry.h"
#include "ScriptExecutionContext.h"
#include "StringCallback.h"
#include <wtf/FileSystem.h>
namespace WebCore {
Ref<DataTransferItem> DataTransferItem::create(WeakPtr<DataTransferItemList>&& list, const String& type)
{
return adoptRef(*new DataTransferItem(WTFMove(list), type));
}
Ref<DataTransferItem> DataTransferItem::create(WeakPtr<DataTransferItemList>&& list, const String& type, Ref<File>&& file)
{
return adoptRef(*new DataTransferItem(WTFMove(list), type, WTFMove(file)));
}
DataTransferItem::DataTransferItem(WeakPtr<DataTransferItemList>&& list, const String& type)
: m_list(WTFMove(list))
, m_type(type)
{
}
DataTransferItem::DataTransferItem(WeakPtr<DataTransferItemList>&& list, const String& type, Ref<File>&& file)
: m_list(WTFMove(list))
, m_type(type)
, m_file(WTFMove(file))
{
}
DataTransferItem::~DataTransferItem() = default;
void DataTransferItem::clearListAndPutIntoDisabledMode()
{
m_list.clear();
}
String DataTransferItem::kind() const
{
return m_file ? "file"_s : "string"_s;
}
String DataTransferItem::type() const
{
return isInDisabledMode() ? String() : m_type;
}
void DataTransferItem::getAsString(Document& document, RefPtr<StringCallback>&& callback) const
{
if (!callback || !m_list || m_file)
return;
auto& dataTransfer = m_list->dataTransfer();
if (!dataTransfer.canReadData())
return;
// FIXME: Make this async.
callback->scheduleCallback(document, dataTransfer.getDataForItem(document, m_type));
}
RefPtr<File> DataTransferItem::getAsFile() const
{
if (!m_list || !m_list->dataTransfer().canReadData())
return nullptr;
return m_file.copyRef();
}
RefPtr<FileSystemEntry> DataTransferItem::getAsEntry(ScriptExecutionContext& context) const
{
auto file = getAsFile();
if (!file)
return nullptr;
return DOMFileSystem::createEntryForFile(context, *file);
}
} // namespace WebCore
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