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/*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "DragClientGtk.h"
#include "Document.h"
#include "Element.h"
#include "Frame.h"
#include "NotImplemented.h"
#include "RenderObject.h"
#include "webkitwebview.h"
#include <gtk/gtk.h>
#if !GTK_CHECK_VERSION(2, 14, 0)
#define gtk_widget_get_window(widget) (widget)->window
#endif
using namespace WebCore;
namespace WebKit {
DragClient::DragClient(WebKitWebView* webView)
: m_webView(webView)
, m_startPos(0, 0)
{
}
void DragClient::willPerformDragDestinationAction(DragDestinationAction, DragData*)
{
notImplemented();
}
void DragClient::willPerformDragSourceAction(DragSourceAction, const IntPoint& startPos, Clipboard*)
{
m_startPos = startPos;
}
DragDestinationAction DragClient::actionMaskForDrag(DragData*)
{
notImplemented();
return DragDestinationActionAny;
}
DragSourceAction DragClient::dragSourceActionMaskForPoint(const IntPoint&)
{
notImplemented();
return DragSourceActionAny;
}
void DragClient::startDrag(DragImageRef image, const IntPoint& dragImageOrigin, const IntPoint& eventPos, Clipboard*, Frame* frame, bool linkDrag)
{
Element* targetElement = frame->document()->elementFromPoint(m_startPos.x(), m_startPos.y());
bool imageDrag = false;
if (targetElement)
imageDrag = targetElement->renderer()->isImage();
GdkAtom textHtml = gdk_atom_intern_static_string("text/html");
GdkAtom netscapeUrl = gdk_atom_intern_static_string("_NETSCAPE_URL");
GtkTargetList* targetList = gtk_target_list_new(NULL, 0);
gtk_target_list_add(targetList, textHtml, 0, WEBKIT_WEB_VIEW_TARGET_INFO_HTML);
gtk_target_list_add_text_targets(targetList, WEBKIT_WEB_VIEW_TARGET_INFO_TEXT);
if (linkDrag || imageDrag) {
gtk_target_list_add(targetList, netscapeUrl, 0, WEBKIT_WEB_VIEW_TARGET_INFO_NETSCAPE_URL);
gtk_target_list_add_uri_targets(targetList, WEBKIT_WEB_VIEW_TARGET_INFO_URI_LIST);
}
if (imageDrag)
gtk_target_list_add_image_targets(targetList, WEBKIT_WEB_VIEW_TARGET_INFO_IMAGE, false);
GdkDragAction dragAction = GDK_ACTION_COPY;
if (linkDrag) {
dragAction = GDK_ACTION_LINK;
if (imageDrag)
dragAction = (GdkDragAction)(dragAction | GDK_ACTION_COPY);
}
GdkEvent* event = gdk_event_new(GDK_BUTTON_PRESS);
reinterpret_cast<GdkEventButton*>(event)->window = gtk_widget_get_window(GTK_WIDGET(m_webView));
reinterpret_cast<GdkEventButton*>(event)->time = GDK_CURRENT_TIME;
GdkDragContext* context = gtk_drag_begin(GTK_WIDGET(m_webView),
targetList, dragAction, 1, event);
g_object_ref(context);
if (image)
gtk_drag_set_icon_pixbuf(context, image, eventPos.x() - dragImageOrigin.x(), eventPos.y() - dragImageOrigin.y());
else
gtk_drag_set_icon_default(context);
gtk_target_list_unref(targetList);
}
DragImageRef DragClient::createDragImageForLink(KURL&, const String&, Frame*)
{
notImplemented();
return 0;
}
void DragClient::dragControllerDestroyed()
{
delete this;
}
}
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