/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: NPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Netscape Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Pierre Phaneuf * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the NPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the NPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsDragService.h" #include "nsITransferable.h" #include "nsIServiceManager.h" #include "nsWidgetsCID.h" static NS_DEFINE_IID(kIDragServiceIID, NS_IDRAGSERVICE_IID); static NS_DEFINE_CID(kCDragServiceCID, NS_DRAGSERVICE_CID); // The class statics: BView *nsDragService::sView = 0; NS_IMPL_ADDREF_INHERITED(nsDragService, nsBaseDragService) NS_IMPL_RELEASE_INHERITED(nsDragService, nsBaseDragService) //------------------------------------------------------------------------- // static variables //------------------------------------------------------------------------- //static PRBool gHaveDrag = PR_FALSE; //------------------------------------------------------------------------- // // DragService constructor // //------------------------------------------------------------------------- nsDragService::nsDragService() { NS_INIT_REFCNT(); } //------------------------------------------------------------------------- // // DragService destructor // //------------------------------------------------------------------------- nsDragService::~nsDragService() { } /** * @param aIID The name of the class implementing the method * @param _classiiddef The name of the #define symbol that defines the IID * for the class (e.g. NS_ISUPPORTS_IID) * */ nsresult nsDragService::QueryInterface(const nsIID& aIID, void** aInstancePtr) { if (NULL == aInstancePtr) { return NS_ERROR_NULL_POINTER; } nsresult rv = NS_NOINTERFACE; if (aIID.Equals(NS_GET_IID(nsIDragService))) { *aInstancePtr = (void*) ((nsIDragService*)this); NS_ADDREF_THIS(); return NS_OK; } return rv; } //--------------------------------------------------------- NS_IMETHODIMP nsDragService::StartDragSession (nsITransferable * aTransferable, PRUint32 aActionType) { return NS_OK; } //------------------------------------------------------------------------- NS_IMETHODIMP nsDragService::GetData (nsITransferable * aTransferable, PRUint32 aItemIndex) { return NS_ERROR_FAILURE; } //------------------------------------------------------------------------- void nsDragService::SetTopLevelView(BView *v) { printf(" nsDragService::SetTopLevelWidget\n"); // Don't set up any more event handlers if we're being called twice // for the same toplevel widget if (sView == v) return; sView = v; // Get the DragService from the service manager. nsresult rv; nsCOMPtr dragService(do_GetService(kCDragServiceCID, &rv)); if (NS_FAILED(rv)) { return; } #if 0 gtk_signal_connect (GTK_OBJECT (pixmap), "drag_leave", GTK_SIGNAL_FUNC (nsDragService::DragLeave), dragService); gtk_signal_connect (GTK_OBJECT (pixmap), "drag_motion", GTK_SIGNAL_FUNC (nsDragService::DragMotion), dragService); gtk_signal_connect (GTK_OBJECT (pixmap), "drag_drop", GTK_SIGNAL_FUNC (nsDragService::DragDrop), dragService); gtk_signal_connect (GTK_OBJECT (pixmap), "drag_data_received", GTK_SIGNAL_FUNC (nsDragService::DragDataReceived), dragService); #endif } //------------------------------------------------------------------------- //void //nsDragService::DragLeave (GtkWidget *widget, // GdkDragContext *context, // guint time) //{ // g_print("leave\n"); // //gHaveDrag = PR_FALSE; //} // ////------------------------------------------------------------------------- //PRBool //nsDragService::DragMotion(GtkWidget *widget, // GdkDragContext *context, // gint x, // gint y, // guint time) //{ // g_print("drag motion\n"); // GtkWidget *source_widget; // //#if 0 // if (!gHaveDrag) { // gHaveDrag = PR_TRUE; // } //#endif // // source_widget = gtk_drag_get_source_widget (context); // g_print("motion, source %s\n", source_widget ? // gtk_type_name (GTK_OBJECT (source_widget)->klass->type) : // "unknown"); // // gdk_drag_status (context, context->suggested_action, time); // // return PR_TRUE; //} // ////------------------------------------------------------------------------- //PRBool //nsDragService::DragDrop(GtkWidget *widget, // GdkDragContext *context, // gint x, // gint y, // guint time) //{ // g_print("drop\n"); // //gHaveDrag = PR_FALSE; // // if (context->targets){ // gtk_drag_get_data (widget, context, // GPOINTER_TO_INT (context->targets->data), // time); // return PR_TRUE; // } // // return PR_FALSE; //} // ////------------------------------------------------------------------------- //void //nsDragService::DragDataReceived (GtkWidget *widget, // GdkDragContext *context, // gint x, // gint y, // GtkSelectionData *data, // guint info, // guint time) //{ // if ((data->length >= 0) && (data->format == 8)) { // g_print ("Received \"%s\"\n", (gchar *)data->data); // gtk_drag_finish (context, PR_TRUE, PR_FALSE, time); // return; // } // // gtk_drag_finish (context, PR_FALSE, PR_FALSE, time); //} // ////------------------------------------------------------------------------- //void //nsDragService::DragDataGet(GtkWidget *widget, // GdkDragContext *context, // GtkSelectionData *selection_data, // guint info, // guint time, // gpointer data) //{ // gtk_selection_data_set (selection_data, // selection_data->target, // 8, (guchar *)"I'm Data!", 9); //} // ////------------------------------------------------------------------------- //void //nsDragService::DragDataDelete(GtkWidget *widget, // GdkDragContext *context, // gpointer data) //{ // g_print ("Delete the data!\n"); //}