(evolution_activity_client_construct): Get a raw

GNOME_Evolution_Shell as an arg instead of an
EvolutionShellClient.
(get_shell_activity_iface): New helper function.
(evolution_activity_client_construct): Use it.

svn path=/trunk/; revision=23440

1 files changed, 588 insertions, 0 deletions

diff --git a/shell/e-activity-handler.c b/shell/e-activity-handler.c
new file mode 100644
index 0000000000..023ff59cd5
--- /dev/null
+++ b/shell/e-activity-handler.c
@@ -0,0 +1,588 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-activity-handler.c
+ *
+ * Copyright (C) 2001  Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli <ettore@ximian.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-activity-handler.h"
+
+#include "e-shell-corba-icon-utils.h"
+
+#include <gtk/gtksignal.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include <libgnome/gnome-i18n.h>
+#include <libgnomeui/gnome-popup-menu.h>
+
+#include <gal/util/e-util.h>
+#include <gal/widgets/e-popup-menu.h>
+
+#include <bonobo/bonobo-exception.h>
+
+
+#define PARENT_TYPE bonobo_object_get_type ()
+static BonoboObjectClass *parent_class = NULL;
+
+
+#define ICON_SIZE 16
+
+
+struct _ActivityInfo {
+	char *component_id;
+	GdkPixbuf *icon_pixbuf;
+	GNOME_Evolution_Activity_ActivityId id;
+	CORBA_char *information;
+	CORBA_boolean cancellable;
+	Bonobo_Listener event_listener;
+	CORBA_float progress;
+	GtkWidget *menu;
+};
+typedef struct _ActivityInfo ActivityInfo;
+
+struct _EActivityHandlerPrivate {
+	GNOME_Evolution_Activity_ActivityId next_activity_id;
+	GList *activity_infos;
+	GSList *task_bars;
+};
+
+
+/* Utility functions.  */
+
+static unsigned int
+get_new_activity_id (EActivityHandler *activity_handler)
+{
+	EActivityHandlerPrivate *priv;
+
+	priv = activity_handler->priv;
+
+	return priv->next_activity_id ++;
+}
+
+static GList *
+lookup_activity (GList *list,
+		 GNOME_Evolution_Activity_ActivityId activity_id,
+		 int *order_number_return)
+{
+	GList *p;
+	int i;
+
+	for (p = list, i = 0; p != NULL; p = p->next, i ++) {
+		ActivityInfo *activity_info;
+
+		activity_info = (ActivityInfo *) p->data;
+		if (activity_info->id == activity_id) {
+			*order_number_return = i;
+			return p;
+		}
+	}
+
+	*order_number_return = -1;
+	return NULL;
+}
+
+#if 0
+static const CORBA_any *
+get_corba_null_value (void)
+{
+	static CORBA_any *null_value = NULL;
+
+	if (null_value == NULL) {
+		null_value = CORBA_any__alloc ();
+		null_value->_type = TC_null;
+	}
+
+	return null_value;
+}
+
+static void
+report_task_event (ActivityInfo *activity_info,
+		   const char *event_name)
+{
+	CORBA_Environment ev;
+
+	CORBA_exception_init (&ev);
+
+	Bonobo_Listener_event (activity_info->event_listener, event_name, get_corba_null_value (), &ev);
+	if (ev._major != CORBA_NO_EXCEPTION)
+		g_warning ("EActivityHandler: Cannot event `%s' -- %s", event_name, ev._repo_id);
+
+	CORBA_exception_free (&ev);
+}
+#endif
+
+
+/* ETaskWidget actions.  */
+
+#if 0
+static void
+task_widget_cancel_callback (GtkWidget *widget,
+			     void *data)
+{
+	ActivityInfo *activity_info;
+
+	activity_info = (ActivityInfo *) data;
+	report_task_event (activity_info, "Cancel");
+}
+
+static void
+task_widget_show_details_callback (GtkWidget *widget,
+				   void *data)
+{
+	ActivityInfo *activity_info;
+
+	activity_info = (ActivityInfo *) data;
+	report_task_event (activity_info, "ShowDetails");
+}
+
+static void
+show_cancellation_popup (ActivityInfo *activity_info,
+			 GtkWidget *task_widget,
+			 GdkEventButton *button_event)
+{
+	GtkMenu *popup;
+	EPopupMenu items[] = {
+		E_POPUP_MENU (N_("Show Details"), task_widget_show_details_callback, 0),
+		E_POPUP_SEPARATOR,
+		E_POPUP_MENU (N_("Cancel Operation"), task_widget_cancel_callback, 0),
+		E_POPUP_TERMINATOR
+	};
+
+	/* FIXME: We should gray out things properly here.  */
+	popup = e_popup_menu_create (items, 0, 0, activity_info);
+
+	g_assert (activity_info->menu == NULL);
+	activity_info->menu = GTK_WIDGET (popup);
+
+	gnome_popup_menu_do_popup_modal (GTK_WIDGET (popup), NULL, NULL, button_event, activity_info);
+
+	activity_info->menu = NULL;
+}
+#endif
+
+static int
+task_widget_button_press_event_callback (GtkWidget *widget,
+					 GdkEventButton *button_event,
+					 void *data)
+{
+	CORBA_Environment ev;
+	ActivityInfo *activity_info;
+	CORBA_any *null_value;
+
+	activity_info = (ActivityInfo *) data;
+
+	if (button_event->button == 3) {
+		if (! activity_info->cancellable) {
+			return FALSE;
+		} else {
+			/* show_cancellation_popup (activity_info, widget, button_event); */
+			/* return TRUE; */
+			return TRUE;
+		}
+	}
+
+	if (button_event->button != 1)
+		return FALSE;
+
+	CORBA_exception_init (&ev);
+
+	null_value = CORBA_any__alloc ();
+	null_value->_type = TC_null;
+
+	Bonobo_Listener_event (activity_info->event_listener, "Clicked", null_value, &ev);
+	if (BONOBO_EX (&ev) != CORBA_NO_EXCEPTION)
+		g_warning ("EActivityHandler: Cannot report `Clicked' event -- %s",
+			   BONOBO_EX_REPOID (&ev));
+
+	CORBA_free (null_value);
+ 
+	CORBA_exception_free (&ev);
+
+	return TRUE;
+}
+
+
+/* Creating and destroying ActivityInfos.  */
+
+static ActivityInfo *
+activity_info_new (const char *component_id,
+		   GNOME_Evolution_Activity_ActivityId id,
+		   GdkPixbuf *icon,
+		   const CORBA_char *information,
+		   CORBA_boolean cancellable,
+		   const Bonobo_Listener event_listener)
+{
+	ActivityInfo *info;
+	CORBA_Environment ev;
+
+	CORBA_exception_init (&ev);
+
+	info = g_new (ActivityInfo, 1);
+	info->component_id   = g_strdup (component_id);
+	info->id             = id;
+	info->icon_pixbuf    = g_object_ref (icon);
+	info->information    = CORBA_string_dup (information);
+	info->cancellable    = cancellable;
+	info->event_listener = CORBA_Object_duplicate (event_listener, &ev);
+	info->progress       = -1.0; /* (Unknown) */
+	info->menu           = NULL;
+
+	CORBA_exception_free (&ev);
+
+	return info;
+}
+
+static void
+activity_info_free (ActivityInfo *info)
+{
+	CORBA_Environment ev;
+
+	CORBA_exception_init (&ev);
+
+	g_free (info->component_id);
+
+	g_object_unref (info->icon_pixbuf);
+	CORBA_free (info->information);
+	CORBA_Object_release (info->event_listener, &ev);
+
+	if (info->menu != NULL)
+		gtk_widget_destroy (info->menu);
+
+	g_free (info);
+
+	CORBA_exception_free (&ev);
+}
+
+static ETaskWidget *
+task_widget_new_from_activity_info (ActivityInfo *activity_info)
+{
+	GtkWidget *widget;
+
+	widget = e_task_widget_new (activity_info->icon_pixbuf,
+				    activity_info->component_id,
+				    activity_info->information);
+	gtk_widget_show (widget);
+
+	g_signal_connect (widget, "button_press_event",
+			  G_CALLBACK (task_widget_button_press_event_callback),
+			  activity_info);
+
+	return E_TASK_WIDGET (widget);
+}
+
+
+/* Task Bar handling.  */
+
+static void
+setup_task_bar (EActivityHandler *activity_handler,
+		ETaskBar *task_bar)
+{
+	EActivityHandlerPrivate *priv;
+	GList *p;
+
+	priv = activity_handler->priv;
+
+	for (p = g_list_last (priv->activity_infos); p != NULL; p = p->prev) {
+		e_task_bar_prepend_task (task_bar,
+					 task_widget_new_from_activity_info ((ActivityInfo *) p->data));
+	}
+}
+
+static void
+task_bar_destroy_notify (void *data,
+			 GObject *task_bar_instance)
+{
+	EActivityHandler *activity_handler;
+	EActivityHandlerPrivate *priv;
+
+	activity_handler = E_ACTIVITY_HANDLER (data);
+	priv = activity_handler->priv;
+
+	priv->task_bars = g_slist_remove (priv->task_bars, task_bar_instance);
+}
+
+
+/* GObject methods.  */
+
+static void
+impl_dispose (GObject *object)
+{
+	EActivityHandler *handler;
+	EActivityHandlerPrivate *priv;
+	GList *p;
+	GSList *sp;
+
+	handler = E_ACTIVITY_HANDLER (object);
+	priv = handler->priv;
+
+	for (p = priv->activity_infos; p != NULL; p = p->next) {
+		ActivityInfo *info;
+
+		info = (ActivityInfo *) p->data;
+		activity_info_free (info);
+	}
+
+	g_list_free (priv->activity_infos);
+	priv->activity_infos = NULL;
+
+	for (sp = priv->task_bars; sp != NULL; sp = sp->next)
+		g_object_weak_unref (G_OBJECT (sp->data), task_bar_destroy_notify, sp->data);
+	priv->task_bars = NULL;
+
+	(* G_OBJECT_CLASS (parent_class)->dispose) (object);
+}
+
+static void
+impl_finalize (GObject *object)
+{
+	EActivityHandler *handler;
+	EActivityHandlerPrivate *priv;
+
+	handler = E_ACTIVITY_HANDLER (object);
+	priv = handler->priv;
+
+	g_free (priv);
+
+	(* G_OBJECT_CLASS (parent_class)->finalize) (object);
+}
+
+
+/* CORBA methods.  */
+
+static void
+impl_operationStarted (PortableServer_Servant servant,
+		       const CORBA_char *component_id,
+		       const GNOME_Evolution_AnimatedIcon *icon,
+		       const CORBA_char *information,
+		       const CORBA_boolean cancellable,
+		       const Bonobo_Listener event_listener,
+		       GNOME_Evolution_Activity_ActivityId *activity_id_return,
+		       CORBA_boolean *suggest_display_return,
+		       CORBA_Environment *ev)
+{
+	EActivityHandler *activity_handler;
+	EActivityHandlerPrivate *priv;
+	ActivityInfo *activity_info;
+	GdkPixbuf *icon_pixbuf;
+	unsigned int activity_id;
+	GSList *p;
+
+	activity_handler = E_ACTIVITY_HANDLER (bonobo_object_from_servant (servant));
+
+	priv = activity_handler->priv;
+
+	if (icon->_length == 0) {
+		CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
+				     ex_GNOME_Evolution_Activity_InvalidIcon, NULL);
+		return;
+	}
+
+	if (icon->_length > 1)
+		g_warning ("Animated icons are not supported for activities (yet).");
+
+	icon_pixbuf = e_new_gdk_pixbuf_from_corba_icon (icon->_buffer, ICON_SIZE, ICON_SIZE);
+
+	activity_id = get_new_activity_id (activity_handler);
+
+	activity_info = activity_info_new (component_id, activity_id, icon_pixbuf, information,
+					   cancellable, event_listener);
+
+	for (p = priv->task_bars; p != NULL; p = p->next)
+		e_task_bar_prepend_task (E_TASK_BAR (p->data),
+					 task_widget_new_from_activity_info (activity_info));
+
+	g_object_unref (icon_pixbuf);
+
+	priv->activity_infos = g_list_prepend (priv->activity_infos, activity_info);
+
+	*activity_id_return = activity_id;
+}
+
+static void
+impl_operationProgressing (PortableServer_Servant servant,
+			   const GNOME_Evolution_Activity_ActivityId activity_id,
+			   const CORBA_char *information,
+			   const CORBA_float progress,
+			   CORBA_Environment *ev)
+{
+	EActivityHandler *activity_handler;
+	EActivityHandlerPrivate *priv;
+	ActivityInfo *activity_info;
+	GList *p;
+	GSList *sp;
+	int order_number;
+
+	/* FIXME?  The complexity in this function sucks.  */
+
+	activity_handler = E_ACTIVITY_HANDLER (bonobo_object_from_servant (servant));
+
+	priv = activity_handler->priv;
+
+	p = lookup_activity (priv->activity_infos, activity_id, &order_number);
+	if (p == NULL) {
+		CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
+				     ex_GNOME_Evolution_Activity_IdNotFound, NULL);
+		return;
+	}
+
+	activity_info = (ActivityInfo *) p->data;
+
+	CORBA_free (activity_info->information);
+	activity_info->information = CORBA_string_dup (information);
+
+	activity_info->progress = progress;
+
+	for (sp = priv->task_bars; sp != NULL; sp = sp->next) {
+		ETaskBar *task_bar;
+		ETaskWidget *task_widget;
+
+		task_bar = E_TASK_BAR (sp->data);
+		task_widget = e_task_bar_get_task_widget (task_bar, order_number);
+
+		e_task_widget_update (task_widget, information, progress);
+	}
+}
+
+static void
+impl_operationFinished (PortableServer_Servant servant,
+			const GNOME_Evolution_Activity_ActivityId activity_id,
+			CORBA_Environment *ev)
+{
+	EActivityHandler *activity_handler;
+	EActivityHandlerPrivate *priv;
+	GList *p;
+	GSList *sp;
+	int order_number;
+
+	activity_handler = E_ACTIVITY_HANDLER (bonobo_object_from_servant (servant));
+
+	priv = activity_handler->priv;
+
+	p = lookup_activity (priv->activity_infos, activity_id, &order_number);
+
+	activity_info_free ((ActivityInfo *) p->data);
+	priv->activity_infos = g_list_remove_link (priv->activity_infos, p);
+
+	for (sp = priv->task_bars; sp != NULL; sp = sp->next) {
+		ETaskBar *task_bar;
+
+		task_bar = E_TASK_BAR (sp->data);
+		e_task_bar_remove_task (task_bar, order_number);
+	}
+}
+
+static GNOME_Evolution_Activity_DialogAction
+impl_requestDialog (PortableServer_Servant servant,
+		    const GNOME_Evolution_Activity_ActivityId activity_id,
+		    const GNOME_Evolution_Activity_DialogType dialog_type,
+		    CORBA_Environment *ev)
+{
+	EActivityHandler *activity_handler;
+
+	activity_handler = E_ACTIVITY_HANDLER (bonobo_object_from_servant (servant));
+
+	/* FIXME implement.  */
+	g_warning ("Evolution::Activity::requestDialog not implemented");
+
+	return GNOME_Evolution_Activity_DIALOG_ACTION_DISPLAY;
+}
+
+
+/* GTK+ type stuff.  */
+
+static void
+e_activity_handler_class_init (GObjectClass *object_class)
+{
+	EActivityHandlerClass *handler_class;
+
+	parent_class = g_type_class_ref(PARENT_TYPE);
+
+	object_class->dispose  = impl_dispose;
+	object_class->finalize = impl_finalize;
+
+	handler_class = E_ACTIVITY_HANDLER_CLASS (object_class);
+	handler_class->epv.operationStarted     = impl_operationStarted;
+	handler_class->epv.operationProgressing = impl_operationProgressing;
+	handler_class->epv.operationFinished    = impl_operationFinished;
+	handler_class->epv.requestDialog        = impl_requestDialog;
+}
+
+static void
+e_activity_handler_init (EActivityHandler *activity_handler)
+{
+	EActivityHandlerPrivate *priv;
+
+	priv = g_new (EActivityHandlerPrivate, 1);
+	priv->next_activity_id = 0;
+	priv->activity_infos   = NULL;
+	priv->task_bars        = NULL;
+
+	activity_handler->priv = priv;
+}
+
+
+void
+e_activity_handler_construct (EActivityHandler *activity_handler)
+{
+	g_return_if_fail (activity_handler != NULL);
+	g_return_if_fail (E_IS_ACTIVITY_HANDLER (activity_handler));
+
+	/* Nothing to do here.  */
+}
+
+EActivityHandler *
+e_activity_handler_new (void)
+{
+	EActivityHandler *activity_handler;
+
+	activity_handler = g_object_new (e_activity_handler_get_type (), 0);
+	e_activity_handler_construct (activity_handler);
+
+	return activity_handler;
+}
+
+
+void
+e_activity_handler_attach_task_bar (EActivityHandler *activity_handler,
+				    ETaskBar *task_bar)
+{
+	EActivityHandlerPrivate *priv;
+
+	g_return_if_fail (activity_handler != NULL);
+	g_return_if_fail (E_IS_ACTIVITY_HANDLER (activity_handler));
+	g_return_if_fail (task_bar != NULL);
+	g_return_if_fail (E_IS_TASK_BAR (task_bar));
+
+	priv = activity_handler->priv;
+
+	g_object_weak_ref (G_OBJECT (task_bar), task_bar_destroy_notify, activity_handler);
+
+	priv->task_bars = g_slist_prepend (priv->task_bars, task_bar);
+
+	setup_task_bar (activity_handler, task_bar);
+}
+
+
+BONOBO_TYPE_FUNC_FULL (EActivityHandler,
+		       GNOME_Evolution_Activity,
+		       PARENT_TYPE,
+		       e_activity_handler)