void DataTransfer::setDragImage(Element* image, int x, int y) {
ASSERT(image);
if (!isForDragAndDrop())
return;
IntPoint location(x, y);
if (isHTMLImageElement(*image) && !image->isConnected())
setDragImageResource(toHTMLImageElement(*image).cachedImage(), location);
else
setDragImageElement(image, location);
}
void Clipboard::setDropEffect(const String &effect)
{
if (!isForDragAndDrop())
return;
// The attribute must ignore any attempts to set it to a value other than none, copy, link, and move.
if (effect != "none" && effect != "copy" && effect != "link" && effect != "move")
return;
if (m_policy == ClipboardReadable || m_policy == ClipboardTypesReadable)
m_dropEffect = effect;
}
void DataTransfer::setDropEffect(const String &effect)
{
if (!isForDragAndDrop())
return;
// The attribute must ignore any attempts to set it to a value other than none, copy, link, and move.
if (effect != "none" && effect != "copy" && effect != "link" && effect != "move")
return;
// FIXME: The spec actually allows this in all circumstances, even though there's no point in
// setting the drop effect when this condition is not true.
if (canReadTypes())
m_dropEffect = effect;
}
void DataTransfer::setDragImage(Element* image, int x, int y, ExceptionState& exceptionState)
{
if (!isForDragAndDrop())
return;
if (!image) {
exceptionState.throwTypeError("setDragImage: Invalid first argument");
return;
}
IntPoint location(x, y);
if (isHTMLImageElement(*image) && !image->inDocument())
setDragImageResource(toHTMLImageElement(*image).cachedImage(), location);
else
setDragImageElement(image, location);
}
void ClipboardQt::clearData(const String& type)
{
if (policy() != ClipboardWritable)
return;
if (m_writableData) {
m_writableData->removeFormat(type);
if (m_writableData->formats().isEmpty()) {
if (isForDragAndDrop())
delete m_writableData;
m_writableData = 0;
}
}
#ifndef QT_NO_CLIPBOARD
if (isForCopyAndPaste())
QApplication::clipboard()->setMimeData(m_writableData);
#endif
}
void DataTransfer::setEffectAllowed(const String& effect) {
if (!isForDragAndDrop())
return;
if (convertEffectAllowedToDragOperation(effect) == DragOperationPrivate) {
// This means that there was no conversion, and the effectAllowed that
// we are passed isn't a valid effectAllowed, so we should ignore it,
// and not set m_effectAllowed.
// The attribute must ignore any attempts to set it to a value other than
// none, copy, copyLink, copyMove, link, linkMove, move, all, and
// uninitialized.
return;
}
if (canWriteData())
m_effectAllowed = effect;
}
void Clipboard::setEffectAllowed(const String &effect)
{
if (!isForDragAndDrop())
return;
if (dragOpFromIEOp(effect) == DragOperationPrivate) {
// This means that there was no conversion, and the effectAllowed that
// we are passed isn't a valid effectAllowed, so we should ignore it,
// and not set m_effectAllowed.
// The attribute must ignore any attempts to set it to a value other than
// none, copy, copyLink, copyMove, link, linkMove, move, all, and uninitialized.
return;
}
if (m_policy == ClipboardWritable)
m_effectAllowed = effect;
}
bool Clipboard::hasData()
{
ASSERT(isForDragAndDrop());
return m_dataObject->length() > 0;
}