Added a ShellComponent method to retrieve the selection for drag and

drop and support for it in the shell.  Untested.

svn path=/trunk/; revision=8594

1 files changed, 60 insertions, 7 deletions

diff --git a/shell/evolution-shell-component.c b/shell/evolution-shell-component.c
index 0e28981ef6..f076daf431 100644
--- a/shell/evolution-shell-component.c
+++ b/shell/evolution-shell-component.c
@@ -41,11 +41,12 @@ static GtkObjectClass *parent_class = NULL;
 struct _EvolutionShellComponentPrivate {
 	GList *folder_types;	/* EvolutionShellComponentFolderType */
 
-	EvolutionShellComponentCreateViewFn              create_view_fn;
-	EvolutionShellComponentCreateFolderFn            create_folder_fn;
-	EvolutionShellComponentRemoveFolderFn            remove_folder_fn;
-	EvolutionShellComponentCopyFolderFn              copy_folder_fn;
-	EvolutionShellComponentPopulateFolderContextMenu populate_folder_context_menu_fn;
+	EvolutionShellComponentCreateViewFn create_view_fn;
+	EvolutionShellComponentCreateFolderFn create_folder_fn;
+	EvolutionShellComponentRemoveFolderFn remove_folder_fn;
+	EvolutionShellComponentCopyFolderFn copy_folder_fn;
+	EvolutionShellComponentPopulateFolderContextMenuFn populate_folder_context_menu_fn;
+	EvolutionShellComponentGetDndSelectionFn get_dnd_selection_fn;
 
 	EvolutionShellClient *owner_client;
 
@@ -366,6 +367,53 @@ impl_ShellComponent_populate_folder_context_menu (PortableServer_Servant servant
 	bonobo_object_unref (BONOBO_OBJECT (uic));
 }
 
+static void
+impl_ShellComponent_getDndSelection (PortableServer_Servant servant,
+				     const CORBA_char *physical_uri,
+				     const CORBA_short type,
+				     CORBA_short *format_return,
+				     GNOME_Evolution_ShellComponent_Selection **selection_return,
+				     CORBA_Environment *ev)
+{
+	BonoboObject *bonobo_object;
+	EvolutionShellComponent *shell_component;
+	EvolutionShellComponentPrivate *priv;
+	const char *selection;
+	int selection_length;
+	int format;
+
+	bonobo_object = bonobo_object_from_servant (servant);
+	shell_component = EVOLUTION_SHELL_COMPONENT (bonobo_object);
+	priv = shell_component->priv;
+
+	if (priv->get_dnd_selection_fn == NULL) {
+		CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
+				     ex_GNOME_Evolution_ShellComponent_NoSelection, NULL);
+		return;
+	}
+
+	(* priv->get_dnd_selection_fn) (shell_component, physical_uri, type,
+					&format, &selection, &selection_length,
+					priv->closure);
+
+	if (selection == NULL) {
+		CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
+				     ex_GNOME_Evolution_ShellComponent_NoSelection, NULL);
+	} else {
+		*format_return = format;
+
+		*selection_return = GNOME_Evolution_ShellComponent_Selection__alloc ();
+
+		(* selection_return)->_buffer = CORBA_octet_allocbuf (selection_length);
+		memcpy ((* selection_return)->_buffer, selection, selection_length);
+
+		(* selection_return)->_length = selection_length;
+		(* selection_return)->_maximum = selection_length;
+
+		CORBA_sequence_set_release (*selection_return, TRUE);
+	}
+}
+
 
 /* GtkObject methods.  */
 
@@ -447,6 +495,7 @@ class_init (EvolutionShellComponentClass *klass)
 	epv->createFolderAsync         = impl_ShellComponent_async_create_folder;
 	epv->removeFolderAsync         = impl_ShellComponent_async_remove_folder;
 	epv->populateFolderContextMenu = impl_ShellComponent_populate_folder_context_menu;
+	epv->getDndSelection           = impl_ShellComponent_getDndSelection;
 }
 
 static void
@@ -477,7 +526,8 @@ evolution_shell_component_construct (EvolutionShellComponent *shell_component,
 				     EvolutionShellComponentCreateFolderFn create_folder_fn,
 				     EvolutionShellComponentRemoveFolderFn remove_folder_fn,
 				     EvolutionShellComponentCopyFolderFn copy_folder_fn,
-				     EvolutionShellComponentPopulateFolderContextMenu populate_folder_context_menu_fn,
+				     EvolutionShellComponentPopulateFolderContextMenuFn populate_folder_context_menu_fn,
+				     EvolutionShellComponentGetDndSelectionFn get_dnd_selection_fn,
 				     void *closure)
 {
 	EvolutionShellComponentPrivate *priv;
@@ -492,6 +542,7 @@ evolution_shell_component_construct (EvolutionShellComponent *shell_component,
 	priv->remove_folder_fn                = remove_folder_fn;
 	priv->copy_folder_fn                  = copy_folder_fn;
 	priv->populate_folder_context_menu_fn = populate_folder_context_menu_fn;
+	priv->get_dnd_selection_fn            = get_dnd_selection_fn;
 
 	priv->closure = closure;
 
@@ -522,7 +573,8 @@ evolution_shell_component_new (const EvolutionShellComponentFolderType folder_ty
 			       EvolutionShellComponentCreateFolderFn create_folder_fn,
 			       EvolutionShellComponentRemoveFolderFn remove_folder_fn,
 			       EvolutionShellComponentCopyFolderFn copy_folder_fn,
-			       EvolutionShellComponentPopulateFolderContextMenu populate_folder_context_menu_fn,
+			       EvolutionShellComponentPopulateFolderContextMenuFn populate_folder_context_menu_fn,
+			       EvolutionShellComponentGetDndSelectionFn get_dnd_selection_fn,
 			       void *closure)
 {
 	EvolutionShellComponent *new;
@@ -536,6 +588,7 @@ evolution_shell_component_new (const EvolutionShellComponentFolderType folder_ty
 					     remove_folder_fn,
 					     copy_folder_fn,
 					     populate_folder_context_menu_fn,
+					     get_dnd_selection_fn,
 					     closure);
 
 	return new;