void DragAndDropHandler::startDrag(Ref<SelectionData>&& selection, DragOperation dragOperation, RefPtr<ShareableBitmap>&& dragImage)
{
#if GTK_CHECK_VERSION(3, 16, 0)
m_draggingSelectionData = WTFMove(selection);
GRefPtr<GtkTargetList> targetList = PasteboardHelper::singleton().targetListForSelectionData(*m_draggingSelectionData);
#else
RefPtr<SelectionData> selectionData = WTFMove(selection);
GRefPtr<GtkTargetList> targetList = PasteboardHelper::singleton().targetListForSelectionData(*selectionData);
#endif
GUniquePtr<GdkEvent> currentEvent(gtk_get_current_event());
GdkDragContext* context = gtk_drag_begin(m_page.viewWidget(), targetList.get(), dragOperationToGdkDragActions(dragOperation),
GDK_BUTTON_PRIMARY, currentEvent.get());
#if GTK_CHECK_VERSION(3, 16, 0)
// WebCore::EventHandler does not support more than one DnD operation at the same time for
// a given page, so we should cancel any previous operation whose context we might have
// stored, should we receive a new startDrag event before finishing a previous DnD operation.
if (m_dragContext)
gtk_drag_cancel(m_dragContext.get());
m_dragContext = context;
#else
// We don't have gtk_drag_cancel() in GTK+ < 3.16, so we use the old code.
// See https://bugs.webkit.org/show_bug.cgi?id=138468
m_draggingSelectionDataMap.set(context, WTFMove(selectionData));
#endif
if (dragImage) {
RefPtr<cairo_surface_t> image(dragImage->createCairoSurface());
// Use the center of the drag image as hotspot.
cairo_surface_set_device_offset(image.get(), -cairo_image_surface_get_width(image.get()) / 2, -cairo_image_surface_get_height(image.get()) / 2);
gtk_drag_set_icon_surface(context, image.get());
} else
gtk_drag_set_icon_default(context);
}
void DragAndDropHandler::startDrag(const DragData& dragData, PassRefPtr<ShareableBitmap> dragImage)
{
RefPtr<DataObjectGtk> dataObject = adoptRef(dragData.platformData());
GRefPtr<GtkTargetList> targetList = adoptGRef(PasteboardHelper::defaultPasteboardHelper()->targetListForDataObject(dataObject.get()));
GUniquePtr<GdkEvent> currentEvent(gtk_get_current_event());
GdkDragContext* context = gtk_drag_begin(m_page.viewWidget(), targetList.get(), dragOperationToGdkDragActions(dragData.draggingSourceOperationMask()),
GDK_BUTTON_PRIMARY, currentEvent.get());
m_draggingDataObjects.set(context, dataObject.get());
if (dragImage) {
RefPtr<cairo_surface_t> image(dragImage->createCairoSurface());
m_dragIcon.setImage(image.get());
m_dragIcon.useForDrag(context);
} else
gtk_drag_set_icon_default(context);
}
void DragClient::startDrag(DragImageRef image, const IntPoint& dragImageOrigin, const IntPoint& eventPos, Clipboard* clipboard, Frame* frame, bool linkDrag)
{
WebKitWebView* webView = webkit_web_frame_get_web_view(kit(frame));
RefPtr<DataObjectGtk> dataObject = clipboard->pasteboard().dataObject();
GRefPtr<GtkTargetList> targetList = adoptGRef(PasteboardHelper::defaultPasteboardHelper()->targetListForDataObject(dataObject.get()));
GOwnPtr<GdkEvent> currentEvent(gtk_get_current_event());
GdkDragContext* context = gtk_drag_begin(GTK_WIDGET(m_webView), targetList.get(), dragOperationToGdkDragActions(clipboard->sourceOperation()), 1, currentEvent.get());
webView->priv->dragAndDropHelper.startedDrag(context, dataObject.get());
// A drag starting should prevent a double-click from happening. This might
// happen if a drag is followed very quickly by another click (like in the DRT).
webView->priv->clickCounter.reset();
if (image) {
m_dragIcon.setImage(image);
m_dragIcon.useForDrag(context, IntPoint(eventPos - dragImageOrigin));
} else
gtk_drag_set_icon_default(context);
}