Added a simple LocalStorage manager module so that we can hook up

folder read/unread message count information into it.

svn path=/trunk/; revision=5337

4 files changed, 227 insertions, 0 deletions

diff --git a/mail/Makefile.am b/mail/Makefile.am
index db70087f38..7c2d0f19c5 100644
--- a/mail/Makefile.am
+++ b/mail/Makefile.am
@@ -56,6 +56,8 @@ evolution_mail_SOURCES =		\
 	mail-identify.c			\
 	mail-local.c			\
 	mail-local.h			\
+	mail-local-storage.c		\
+	mail-local-storage.h		\
 	mail-ops.c			\
 	mail-ops.h			\
 	mail-threads.c			\
diff --git a/mail/component-factory.c b/mail/component-factory.c
index c874cdeec9..00879c93ce 100644
--- a/mail/component-factory.c
+++ b/mail/component-factory.c
@@ -111,6 +111,7 @@ owner_set_cb (EvolutionShellComponent *shell_component,
 {
 	GSList *sources;
 	Evolution_Shell corba_shell;
+	Evolution_LocalStorage corba_local_storage;
 
 	g_print ("evolution-mail: Yeeeh! We have an owner!\n");	/* FIXME */
 	
@@ -132,6 +133,8 @@ owner_set_cb (EvolutionShellComponent *shell_component,
 	mail_load_storages (corba_shell, sources);
 	sources = mail_config_get_news ();
 	mail_load_storages (corba_shell, sources);
+
+	mail_local_storage_startup (shell_client);
 }
 
 static void
diff --git a/mail/mail-local-storage.c b/mail/mail-local-storage.c
new file mode 100644
index 0000000000..90bd32a081
--- /dev/null
+++ b/mail/mail-local-storage.c
@@ -0,0 +1,188 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* mail-local-storage.h
+ *
+ * Copyright (C) 2000  Helix Code, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ */
+
+/* This handles the interfacing with the shell's local storage.  */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <orb/orbit.h>
+
+#include "e-folder-tree.h"
+#include "evolution-storage-listener.h"
+
+#include "mail-local-storage.h"
+
+
+/* Static stuff.  Sigh, it sucks, but it fits in the way the whole mail
+   compnent is written.  */
+
+/* The interface to the local storage.  */
+static Evolution_LocalStorage corba_local_storage = CORBA_OBJECT_NIL;
+
+/* The listener on our side.  We get notified of things happening in the local
+   storage through this.  */
+static EvolutionStorageListener *local_storage_listener = NULL;
+
+/* The folder set.  The folder data is an Evolution_Folder, allocated through
+   CORBA normally.  */
+static EFolderTree *folder_tree = NULL;
+
+
+/* Folder destroy notification function for the `folder_tree'.  */
+
+static void
+folder_tree_folder_notify_cb (EFolderTree *tree,
+			      const char *path,
+			      void *data,
+			      void *closure)
+{
+	Evolution_Folder *corba_folder;
+
+	corba_folder = (Evolution_Folder *) data;
+	CORBA_free (corba_folder);
+}
+
+
+/* Callbacks for the EvolutionStorageListner signals.  */
+
+static void
+local_storage_destroyed_cb (EvolutionStorageListener *storage_listener,
+			    void *data)
+{
+	/* FIXME: Dunno how to handle this yet.  */
+	g_warning ("%s -- The LocalStorage has gone?!", __FILE__);
+}
+
+static void
+local_storage_new_folder_cb (EvolutionStorageListener *storage_listener,
+			     const char *path,
+			     const Evolution_Folder *folder,
+			     void *data)
+{
+	Evolution_Folder *copy_of_folder;
+	CORBA_Environment ev;
+
+	if (strcmp (folder->type, "mail") != 0)
+		return;
+
+	CORBA_exception_init (&ev);
+
+#if 0
+	/* This is how we could do to display extra information about the
+           folder.  */
+	display_name = g_strconcat (folder->display_name, _(" (XXX unread)"), NULL);
+	Evolution_LocalStorage_set_display_name (corba_local_storage, path, display_name, &ev);
+#endif
+
+	copy_of_folder = Evolution_Folder__alloc ();
+	copy_of_folder->type         = CORBA_string_dup (folder->type);
+	copy_of_folder->description  = CORBA_string_dup (folder->description);
+	copy_of_folder->display_name = CORBA_string_dup (folder->display_name);
+	copy_of_folder->physical_uri = CORBA_string_dup (folder->physical_uri);
+
+	e_folder_tree_add (folder_tree, path, copy_of_folder);
+
+	CORBA_exception_free (&ev);
+}
+
+static void
+local_storage_removed_folder_cb (EvolutionStorageListener *storage_listener,
+				 const char *path,
+				 void *data)
+{
+	/* Prevent a warning from `e_folder_tree_remove()'.  */
+	if (e_folder_tree_get_folder (folder_tree, path) == NULL)
+		return;
+
+	e_folder_tree_remove (folder_tree, path);
+}
+
+
+gboolean
+mail_local_storage_startup (EvolutionShellClient *shell_client)
+{
+	Evolution_StorageListener corba_local_storage_listener;
+
+	CORBA_Environment ev;
+
+	CORBA_exception_init (&ev);
+
+	corba_local_storage = evolution_shell_client_get_local_storage (shell_client);
+	if (corba_local_storage == CORBA_OBJECT_NIL) {
+		CORBA_exception_free (&ev);
+		return FALSE;
+	}
+
+	local_storage_listener = evolution_storage_listener_new ();
+	corba_local_storage_listener = evolution_storage_listener_corba_objref (local_storage_listener);
+
+	gtk_signal_connect (GTK_OBJECT (local_storage_listener), "destroyed",
+			    GTK_SIGNAL_FUNC (local_storage_destroyed_cb), NULL);
+	gtk_signal_connect (GTK_OBJECT (local_storage_listener), "new_folder",
+			    GTK_SIGNAL_FUNC (local_storage_new_folder_cb), NULL);
+	gtk_signal_connect (GTK_OBJECT (local_storage_listener), "removed_folder",
+			    GTK_SIGNAL_FUNC (local_storage_removed_folder_cb), NULL);
+
+	Evolution_Storage_add_listener (corba_local_storage, corba_local_storage_listener, &ev);
+	if (ev._major != CORBA_NO_EXCEPTION) {
+		g_warning ("%s -- Cannot add a listener to the Local Storage.", __FILE__);
+
+		gtk_object_unref (GTK_OBJECT (local_storage_listener));
+
+		Bonobo_Unknown_unref (corba_local_storage, &ev);
+		CORBA_Object_release (corba_local_storage, &ev);
+
+		CORBA_exception_free (&ev);
+		return FALSE;
+	}
+
+	CORBA_exception_free (&ev);
+
+	folder_tree = e_folder_tree_new (folder_tree_folder_notify_cb, NULL);
+
+	return TRUE;
+}
+
+void
+mail_local_storage_shutdown (void)
+{
+	CORBA_Environment ev;
+
+	CORBA_exception_init (&ev);
+
+	Bonobo_Unknown_unref (corba_local_storage, &ev);
+	CORBA_Object_release (corba_local_storage, &ev);
+	corba_local_storage = CORBA_OBJECT_NIL;
+
+	gtk_object_unref (GTK_OBJECT (local_storage_listener));
+	local_storage_listener = NULL;
+
+	gtk_object_unref (GTK_OBJECT (folder_tree));
+	folder_tree = NULL;
+
+	CORBA_exception_free (&ev);
+}
diff --git a/mail/mail-local-storage.h b/mail/mail-local-storage.h
new file mode 100644
index 0000000000..251897681c
--- /dev/null
+++ b/mail/mail-local-storage.h
@@ -0,0 +1,34 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* mail-local-storage.h
+ *
+ * Copyright (C) 2000  Helix Code, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ */
+
+#ifndef _MAIL_LOCAL_STORAGE_H_
+#define _MAIL_LOCAL_STORAGE_H_
+
+#include <glib.h>
+
+#include "evolution-shell-client.h"
+
+gboolean  mail_local_storage_startup   (EvolutionShellClient *shell_client);
+void      mail_local_storage_shutdown  (void);
+
+#endif