DataTransferItem.cpp [plain text]
#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;
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);
}
}