DataTransferItemChromium.cpp [plain text]
#include "config.h"
#include "DataTransferItemChromium.h"
#if ENABLE(DATA_TRANSFER_ITEMS)
#include "Blob.h"
#include "Clipboard.h"
#include "ClipboardMimeTypes.h"
#include "PlatformBridge.h"
#include "SharedBuffer.h"
#include "StringCallback.h"
namespace WebCore {
PassRefPtr<DataTransferItemChromium> DataTransferItemChromium::createFromPasteboard(PassRefPtr<Clipboard> owner, ScriptExecutionContext* context, const String& type)
{
if (type == mimeTypeTextPlain || type == mimeTypeTextHTML)
return adoptRef(new DataTransferItemChromium(owner, context, PasteboardSource, DataTransferItem::kindString, type, ""));
return adoptRef(new DataTransferItemChromium(owner, context, PasteboardSource, DataTransferItem::kindFile, type, ""));
}
PassRefPtr<DataTransferItemChromium> DataTransferItemChromium::create(PassRefPtr<Clipboard> owner,
ScriptExecutionContext* context,
const String& data,
const String& type)
{
return adoptRef(new DataTransferItemChromium(owner, context, InternalSource, DataTransferItem::kindString, type, data));
}
PassRefPtr<DataTransferItem> DataTransferItem::create(PassRefPtr<Clipboard> owner,
ScriptExecutionContext* context,
const String& data,
const String& type)
{
return DataTransferItemChromium::create(owner, context, data, type);
}
DataTransferItemChromium::DataTransferItemChromium(PassRefPtr<Clipboard> owner, ScriptExecutionContext* context, DataSource source, const String& kind, const String& type, const String& data)
: DataTransferItem(owner, kind, type)
, m_context(context)
, m_source(source)
, m_data(data)
{
}
void DataTransferItemChromium::getAsString(PassRefPtr<StringCallback> callback)
{
if ((owner()->policy() != ClipboardReadable && owner()->policy() != ClipboardWritable)
|| kind() != kindString)
return;
if (m_source == InternalSource) {
callback->scheduleCallback(m_context, m_data);
return;
}
ASSERT(m_source == PasteboardSource);
if (type() == mimeTypeTextPlain) {
callback->scheduleCallback(m_context, PlatformBridge::clipboardReadPlainText(PasteboardPrivate::StandardBuffer));
return;
}
if (type() == mimeTypeTextHTML) {
String html;
KURL ignoredSourceURL;
PlatformBridge::clipboardReadHTML(PasteboardPrivate::StandardBuffer, &html, &ignoredSourceURL);
callback->scheduleCallback(m_context, html);
return;
}
ASSERT_NOT_REACHED();
}
PassRefPtr<Blob> DataTransferItemChromium::getAsFile()
{
if (m_source == InternalSource)
return 0;
ASSERT(m_source == PasteboardSource);
if (type() == mimeTypeImagePng) {
RefPtr<SharedBuffer> data = PlatformBridge::clipboardReadImage(PasteboardPrivate::StandardBuffer);
RefPtr<RawData> rawData = RawData::create();
rawData->mutableData()->append(data->data(), data->size());
OwnPtr<BlobData> blobData = BlobData::create();
blobData->appendData(rawData, 0, -1);
blobData->setContentType(mimeTypeImagePng);
return Blob::create(blobData.release(), data->size());
}
return 0;
}
}
#endif // ENABLE(DATA_TRANSFER_ITEMS)