Big shell reorganization.

svn path=/trunk/; revision=2848

1 files changed, 530 insertions, 0 deletions

diff --git a/shell/e-shortcuts.c b/shell/e-shortcuts.c
new file mode 100644
index 0000000000..09474e9491
--- /dev/null
+++ b/shell/e-shortcuts.c
@@ -0,0 +1,530 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-shortcuts.c
+ *
+ * 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
+ */
+
+/* The shortcut list goes this:
+
+   <?xml version="1.0"?>
+   <shortcuts>
+           <group title="Evolution shortcuts">
+	           <item>evolution:/local/Inbox</item>
+	           <item>evolution:/local/Trash</item>
+	           <item>evolution:/local/Calendar</item>
+	   </group>
+
+	   <group title="Personal shortcuts">
+	           <item>evolution:/local/Personal</item>
+	   </group>
+   </shortcuts>
+
+   FIXME: Do we want to use a namespace for this?
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gtk/gtkobject.h>
+#include <gtk/gtktypeutils.h>
+
+#include <gnome-xml/parser.h>
+
+#include <string.h>
+
+#include "e-util/e-util.h"
+#include "e-util/e-xml-utils.h"
+
+#include "shortcut-bar/e-shortcut-bar.h"
+#include "e-shortcuts-view.h"
+
+#include "e-shortcuts.h"
+
+
+#define PARENT_TYPE GTK_TYPE_OBJECT
+static GtkObjectClass *parent_class = NULL;
+
+struct _ShortcutGroup {
+	/* Title of the group.  */
+	char *title;
+
+	/* A list of strings with the URI for the shortcut.  */
+	GList *shortcuts;
+};
+typedef struct _ShortcutGroup ShortcutGroup;
+
+struct _EShortcutsPrivate {
+	/* The storage set to which these shortcuts are associated.  */
+	EStorageSet *storage_set;
+
+	/* The folder type repository.  */
+	EFolderTypeRepository *folder_type_repository;
+
+	/* A list of ShortcutGroups.  */
+	GList *groups;
+
+	/* A list of ShortcutViews.  */
+	GList *views;
+};
+
+
+static void
+unload_shortcuts (EShortcuts *shortcuts)
+{
+	EShortcutsPrivate *priv;
+	GList *p, *q;
+
+	priv = shortcuts->priv;
+
+	for (p = priv->groups; p != NULL; p = p->next) {
+		ShortcutGroup *group;
+
+		group = (ShortcutGroup *) p->data;
+		g_free (group->title);
+
+		for (q = group->shortcuts; q != NULL; q = q->next)
+			g_free (q->data);
+
+		g_list_free (group->shortcuts);
+	}
+
+	if (priv->groups != NULL)
+		g_list_free (priv->groups);
+
+	priv->groups = NULL;
+
+	/* FIXME update the views.  */
+}
+
+static gboolean
+load_shortcuts (EShortcuts *shortcuts,
+		const char *path)
+{
+	EShortcutsPrivate *priv;
+	xmlDoc *doc;
+	xmlNode *root;
+	xmlNode *p, *q;
+
+	priv = shortcuts->priv;
+
+	doc = xmlParseFile (path);
+	if (doc == NULL)
+		return FALSE;
+
+	root = xmlDocGetRootElement (doc);
+	if (root == NULL || strcmp (root->name, "shortcuts") != 0) {
+		xmlFreeDoc (doc);
+		return FALSE;
+	}
+
+	unload_shortcuts (shortcuts);
+
+	for (p = root->childs; p != NULL; p = p->next) {
+		ShortcutGroup *shortcut_group;
+		const char *shortcut_group_title;
+
+		if (strcmp ((char *) p->name, "group") != 0)
+			continue;
+
+		shortcut_group_title = (const char *) xmlGetProp (p, "title");
+		if (shortcut_group_title == NULL)
+			continue;
+
+		shortcut_group = g_new (ShortcutGroup, 1);
+		shortcut_group->title = g_strdup (shortcut_group_title);
+		shortcut_group->shortcuts = NULL;
+
+		for (q = p->childs; q != NULL; q = q->next) {
+			xmlNode *link_node;
+
+			if (strcmp ((char *) q->name, "item") != 0)
+				continue;
+
+			link_node = e_xml_get_child_by_name (q, (xmlChar *) "text");
+			if (link_node == NULL)
+				continue;
+
+			shortcut_group->shortcuts = g_list_prepend (shortcut_group->shortcuts,
+								    g_strdup (link_node->content));
+		}
+
+		shortcut_group->shortcuts = g_list_reverse (shortcut_group->shortcuts);
+
+		priv->groups = g_list_prepend (priv->groups, shortcut_group);
+	}
+
+	priv->groups = g_list_reverse (priv->groups);
+
+	xmlFreeDoc (doc);
+
+	return TRUE;
+}
+
+static gboolean
+save_shortcuts (EShortcuts *shortcuts,
+		const char *path)
+{
+	EShortcutsPrivate *priv;
+	xmlDoc *doc;
+	xmlNode *root;
+	GList *p, *q;
+
+	priv = shortcuts->priv;
+
+	doc = xmlNewDoc ((xmlChar *) "1.0");
+	root = xmlNewDocNode (doc, NULL, (xmlChar *) "shortcuts", NULL);
+	xmlDocSetRootElement (doc, root);
+
+	for (p = priv->groups; p != NULL; p = p->next) {
+		ShortcutGroup *group;
+		xmlNode *group_node;
+
+		group = (ShortcutGroup *) p->data;
+		group_node = xmlNewChild (root, NULL, (xmlChar *) "group", NULL);
+
+		xmlSetProp (group_node, (xmlChar *) "title", group->title);
+
+		for (q = group->shortcuts; q != NULL; q = q->next) {
+			const char *shortcut;
+
+			shortcut = (const char *) q->data;
+			xmlNewChild (group_node, NULL, (xmlChar *) "item", (xmlChar *) shortcut);
+		}
+	}
+
+	if (xmlSaveFile (path, doc) < 0) {
+		xmlFreeDoc (doc);
+		return FALSE;
+	}
+
+	xmlFreeDoc (doc);
+	return TRUE;
+}
+
+
+/* View initialization.  */
+
+static const char *
+get_storage_set_path_from_uri (const char *uri)
+{
+	const char *colon;
+
+	if (g_path_is_absolute (uri))
+		return NULL;
+
+	colon = strchr (uri, ':');
+	if (colon == NULL || colon == uri || colon[1] == '\0')
+		return NULL;
+
+	if (! g_path_is_absolute (colon + 1))
+		return NULL;
+
+	if (g_strncasecmp (uri, "evolution", colon - uri) != 0)
+		return NULL;
+
+	return colon + 1;
+}
+
+static void
+load_folders_into_view (EShortcuts *shortcuts,
+			EShortcutBar *view,
+			ShortcutGroup *group,
+			int group_num)
+{
+	EStorageSet *storage_set;
+	GList *p;
+
+	storage_set = shortcuts->priv->storage_set;
+
+	for (p = group->shortcuts; p != NULL; p = p->next) {
+		EFolder *folder;
+		const char *path;
+		const char *uri;
+		const char *name;
+
+		uri = (const char *) p->data;
+		path = get_storage_set_path_from_uri (uri);
+		if (path != NULL)
+			folder = e_storage_set_get_folder (storage_set, path);
+
+		if (path == NULL || folder == NULL) {
+			/* FIXME */
+			g_warning ("Invalid link while loading shortcut bar view -- %s\n",
+				   uri);
+			continue;
+		}
+
+		name = e_folder_get_name (folder);
+		e_shortcut_bar_add_item (view, group_num, uri, name);
+	}
+}
+
+static void
+load_shortcuts_into_view (EShortcuts *shortcuts,
+			  EShortcutBar *view)
+{
+	EShortcutsPrivate *priv;
+	GList *p;
+	int group_num;
+
+	priv = shortcuts->priv;
+
+	for (p = priv->groups; p != NULL; p = p->next) {
+		ShortcutGroup *group;
+
+		group = (ShortcutGroup *) p->data;
+		group_num = e_shortcut_bar_add_group (view, group->title);
+
+		load_folders_into_view (shortcuts, view, group, group_num);
+	}
+}
+
+/* Icon callback for the shortcut bar.  */
+static GdkPixbuf *
+icon_callback (EShortcutBar *shortcut_bar,
+	       const char *uri,
+	       gpointer data)
+{
+	EFolderTypeRepository *folder_type_repository;
+	EShortcuts *shortcuts;
+	EStorageSet *storage_set;
+	EFolder *folder;
+	GdkPixbuf *pixbuf;
+	const char *type;
+	const char *icon_name;
+	char *icon_path;
+
+	shortcuts = E_SHORTCUTS (data);
+
+	storage_set = shortcuts->priv->storage_set;
+	folder_type_repository = shortcuts->priv->folder_type_repository;
+
+	folder = e_storage_set_get_folder (storage_set,
+					   get_storage_set_path_from_uri (uri));
+
+	if (folder == NULL)
+		return NULL;
+
+	type = e_folder_get_type_string (folder);
+	if (type == NULL)
+		return NULL;
+
+	icon_name = e_folder_type_repository_get_icon_for_type (folder_type_repository, type);
+	if (icon_name == NULL)
+		return NULL;
+
+	if (g_path_is_absolute (icon_name))
+		icon_path = g_strdup (icon_name);
+	else {
+		icon_path = gnome_pixmap_file (icon_name);
+		if (icon_path == NULL)
+			icon_path = g_concat_dir_and_file (EVOLUTION_IMAGES, icon_name);
+	}
+
+	if (icon_path == NULL)
+		return NULL;
+
+	/* FIXME this sucks sucks sucks sucks.  We need some caching.  Probably
+	   it's better if EFolderTypeRepository returns a GdkPixbuf directly.  */
+	pixbuf = gdk_pixbuf_new_from_file (icon_path);
+
+	g_free (icon_path);
+
+	return pixbuf;
+}
+
+
+/* Signal handlers for the views.  */
+
+static void
+view_destroyed_cb (GtkObject *object,
+		   gpointer data)
+{
+	EShortcuts *shortcuts;
+	EShortcutsPrivate *priv;
+
+	shortcuts = E_SHORTCUTS (data);
+	priv = shortcuts->priv;
+
+	priv->views = g_list_remove (priv->views, object);
+}
+
+
+/* GtkObject methods.  */
+
+static void
+destroy (GtkObject *object)
+{
+	EShortcuts *shortcuts;
+	EShortcutsPrivate *priv;
+
+	shortcuts = E_SHORTCUTS (object);
+	priv = shortcuts->priv;
+
+	gtk_object_unref (GTK_OBJECT (priv->storage_set));
+	gtk_object_unref (GTK_OBJECT (priv->folder_type_repository));
+
+	unload_shortcuts (shortcuts);
+
+	(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+}
+
+
+static void
+class_init (EShortcutsClass *klass)
+{
+	GtkObjectClass *object_class;
+
+	object_class = (GtkObjectClass*) klass;
+	object_class->destroy = destroy;
+
+	parent_class = gtk_type_class (gtk_object_get_type ());
+}
+
+
+static void
+init (EShortcuts *shortcuts)
+{
+	EShortcutsPrivate *priv;
+
+	priv = g_new (EShortcutsPrivate, 1);
+	priv->storage_set = NULL;
+	priv->groups = NULL;
+	priv->views = NULL;
+
+	shortcuts->priv = priv;
+}
+
+
+void
+e_shortcuts_construct (EShortcuts  *shortcuts,
+		       EStorageSet *storage_set,
+		       EFolderTypeRepository *folder_type_repository)
+{
+	EShortcutsPrivate *priv;
+
+	g_return_if_fail (shortcuts != NULL);
+	g_return_if_fail (E_IS_SHORTCUTS (shortcuts));
+	g_return_if_fail (storage_set != NULL);
+	g_return_if_fail (E_IS_STORAGE_SET (storage_set));
+
+	GTK_OBJECT_UNSET_FLAGS (GTK_OBJECT (storage_set), GTK_FLOATING);
+
+	priv = shortcuts->priv;
+
+	gtk_object_ref (GTK_OBJECT (storage_set));
+	priv->storage_set = storage_set;
+
+	gtk_object_ref (GTK_OBJECT (folder_type_repository));
+	priv->folder_type_repository = folder_type_repository;
+}
+
+EShortcuts *
+e_shortcuts_new (EStorageSet *storage_set,
+		 EFolderTypeRepository *folder_type_repository)
+{
+	EShortcuts *new;
+
+	g_return_val_if_fail (storage_set != NULL, NULL);
+	g_return_val_if_fail (E_IS_STORAGE_SET (storage_set), NULL);
+
+	new = gtk_type_new (e_shortcuts_get_type ());
+	e_shortcuts_construct (new, storage_set, folder_type_repository);
+
+	return new;
+}
+
+
+GtkWidget *
+e_shortcuts_new_view (EShortcuts *shortcuts)
+{
+	EShortcutsPrivate *priv;
+	GtkWidget *new;
+
+	g_return_val_if_fail (shortcuts != NULL, NULL);
+	g_return_val_if_fail (E_IS_SHORTCUTS (shortcuts), NULL);
+
+	priv = shortcuts->priv;
+
+	new = e_shortcuts_view_new (shortcuts);
+	priv->views = g_list_prepend (priv->views, new);
+
+	e_shortcut_bar_set_icon_callback (E_SHORTCUT_BAR (new),
+					  icon_callback, shortcuts);
+
+	load_shortcuts_into_view (shortcuts, E_SHORTCUT_BAR (new));
+
+	gtk_signal_connect (GTK_OBJECT (new), "destroy", view_destroyed_cb, shortcuts);
+
+	return new;
+}
+
+
+gboolean
+e_shortcuts_load (EShortcuts *shortcuts,
+		  const char *path)
+{
+	g_return_val_if_fail (shortcuts != NULL, FALSE);
+	g_return_val_if_fail (E_IS_SHORTCUTS (shortcuts), FALSE);
+	g_return_val_if_fail (path != NULL, FALSE);
+	g_return_val_if_fail (g_path_is_absolute (path), FALSE);
+
+	return load_shortcuts (shortcuts, path);
+}
+
+gboolean
+e_shortcuts_save (EShortcuts *shortcuts,
+		  const char *path)
+{
+	g_return_val_if_fail (shortcuts != NULL, FALSE);
+	g_return_val_if_fail (E_IS_SHORTCUTS (shortcuts), FALSE);
+	g_return_val_if_fail (path != NULL, FALSE);
+	g_return_val_if_fail (g_path_is_absolute (path), FALSE);
+
+	return save_shortcuts (shortcuts, path);
+}
+
+
+const char *
+e_shortcuts_get_uri (EShortcuts *shortcuts, int group_num, int num)
+{
+	EShortcutsPrivate *priv;
+	ShortcutGroup *group;
+	GList *shortcut_element;
+
+	g_return_val_if_fail (shortcuts != NULL, NULL);
+	g_return_val_if_fail (E_IS_SHORTCUTS (shortcuts), NULL);
+
+	priv = shortcuts->priv;
+
+	group = g_list_nth (priv->groups, group_num)->data;
+	if (group == NULL)
+		return NULL;
+
+	shortcut_element = g_list_nth (group->shortcuts, num);
+	if (shortcut_element == NULL)
+		return NULL;
+
+	return shortcut_element->data;
+}
+
+
+E_MAKE_TYPE (e_shortcuts, "EShortcuts", EShortcuts, class_init, init, PARENT_TYPE)