X-Git-Url: http://pileus.org/git/?p=grits;a=blobdiff_plain;f=src%2Fgis-plugin.c;h=6f0834a3e28644f7e0803c52b4f991ebd0e934b0;hp=4bfab58d71afb8d634ebd7b6d7a5957b180eb01e;hb=bd716715f1d13a8df514fcfa53fd82aebdfda770;hpb=14cdbb4a9c369576a5485315260fad5285935e80

diff --git a/src/gis-plugin.c b/src/gis-plugin.c
index 4bfab58..6f0834a 100644
--- a/src/gis-plugin.c
+++ b/src/gis-plugin.c
@@ -1,16 +1,16 @@
 /*
- * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
- * 
+ * Copyright (C) 2009-2010 Andy Spencer <andy753421@gmail.com>
+ *
  * 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 3 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, see <http://www.gnu.org/licenses/>.
  */
@@ -47,16 +47,26 @@ GType gis_plugin_get_type()
 	return type;
 }
 
-void gis_plugin_expose(GisPlugin *self)
+const gchar *gis_plugin_get_name(GisPlugin *plugin)
 {
-	g_return_if_fail(GIS_IS_PLUGIN(self));
-	GIS_PLUGIN_GET_INTERFACE(self)->expose(self);
+	if (!GIS_IS_PLUGIN(plugin))
+		return NULL;
+	return GIS_PLUGIN_GET_INTERFACE(plugin)->name;
+}
+
+const gchar *gis_plugin_get_description(GisPlugin *plugin)
+{
+	if (!GIS_IS_PLUGIN(plugin))
+		return NULL;
+	return GIS_PLUGIN_GET_INTERFACE(plugin)->description;
 }
 
-GtkWidget *gis_plugin_get_config(GisPlugin *self)
+GtkWidget *gis_plugin_get_config(GisPlugin *plugin)
 {
-	g_return_val_if_fail(GIS_IS_PLUGIN(self), NULL);
-	return GIS_PLUGIN_GET_INTERFACE(self)->get_config(self);
+	if (!GIS_IS_PLUGIN(plugin))
+		return NULL;
+	GisPluginInterface *iface = GIS_PLUGIN_GET_INTERFACE(plugin);
+	return iface->get_config ? iface->get_config(plugin) : NULL;
 }
 
 
@@ -68,45 +78,77 @@ typedef struct {
 	GisPlugin *plugin;
 } GisPluginStore;
 
-GisPlugins *gis_plugins_new()
+GisPlugins *gis_plugins_new(const gchar *dir, GisPrefs *prefs)
 {
-	return g_ptr_array_new();
+	g_debug("GisPlugins: new - dir=%s", dir);
+	GisPlugins *plugins = g_new0(GisPlugins, 1);
+	plugins->prefs = prefs;
+	if (dir)
+		plugins->dir = g_strdup(dir);
+	return plugins;
 }
 
-void gis_plugins_free(GisPlugins *self)
+void gis_plugins_free(GisPlugins *plugins)
 {
-	for (int i = 0; i < self->len; i++) {
-		GisPluginStore *store = g_ptr_array_index(self, i);
+	g_debug("GisPlugins: free");
+	for (GList *cur = plugins->plugins; cur; cur = cur->next) {
+		GisPluginStore *store = cur->data;
+		g_debug("GisPlugin: freeing %s refs=%d->%d", store->name,
+			G_OBJECT(store->plugin)->ref_count,
+			G_OBJECT(store->plugin)->ref_count-1);
 		g_object_unref(store->plugin);
 		g_free(store->name);
 		g_free(store);
-		g_ptr_array_remove_index(self, i);
 	}
-	g_ptr_array_free(self, TRUE);
+	g_list_free(plugins->plugins);
+	if (plugins->dir)
+		g_free(plugins->dir);
+	g_free(plugins);
 }
 
-GList *gis_plugins_available()
+GList *gis_plugins_available(GisPlugins *plugins)
 {
-	GDir *dir = g_dir_open(PLUGINDIR, 0, NULL);
-	if (dir == NULL)
-		return NULL;
+	g_debug("GisPlugins: available");
 	GList *list = NULL;
-	const gchar *name;
-	while ((name = g_dir_read_name(dir))) {
-		if (g_pattern_match_simple("*.so", name)) {
-			gchar **parts = g_strsplit(name, ".", 2);
-			list = g_list_prepend(list, g_strdup(parts[0]));
-			g_strfreev(parts);
+	gchar *dirs[] = {plugins->dir, PLUGINSDIR};
+	g_debug("pluginsdir=%s", PLUGINSDIR);
+	for (int i = 0; i<2; i++) {
+		if (dirs[i] == NULL)
+			continue;
+		GDir *dir = g_dir_open(dirs[i], 0, NULL);
+		if (dir == NULL)
+			continue;
+		g_debug("            checking %s", dirs[i]);
+		const gchar *name;
+		while ((name = g_dir_read_name(dir))) {
+			if (g_pattern_match_simple("*." G_MODULE_SUFFIX, name)) {
+				gchar **parts = g_strsplit(name, ".", 2);
+				list = g_list_prepend(list, g_strdup(parts[0]));
+				g_strfreev(parts);
+			}
 		}
+		g_dir_close(dir);
 	}
 	return list;
 }
 
-GisPlugin *gis_plugins_load(GisPlugins *self, const char *name,
-		GisWorld *world, GisView *view, GisOpenGL *opengl, GisPrefs *prefs)
+GisPlugin *gis_plugins_load(GisPlugins *plugins, const char *name,
+		GisViewer *viewer, GisPrefs *prefs)
 {
-	gchar *path = g_strdup_printf("%s/%s.%s", PLUGINDIR, name, G_MODULE_SUFFIX);
-	GModule *module = g_module_open(path, 0);
+	g_debug("GisPlugins: load %s", name);
+	gchar *path = g_strdup_printf("%s/%s.%s", plugins->dir, name, G_MODULE_SUFFIX);
+	g_debug("GisPlugins: load - trying %s", path);
+	if (!g_file_test(path, G_FILE_TEST_EXISTS)) {
+		g_free(path);
+		path = g_strdup_printf("%s/%s.%s", PLUGINSDIR, name, G_MODULE_SUFFIX);
+	}
+	g_debug("GisPlugins: load - trying %s", path);
+	if (!g_file_test(path, G_FILE_TEST_EXISTS)) {
+		g_warning("Module %s not found", name);
+		g_free(path);
+		return NULL;
+	}
+	GModule *module = g_module_open(path, G_MODULE_BIND_LAZY);
 	g_free(path);
 	if (module == NULL) {
 		g_warning("Unable to load module %s: %s", name, g_module_error());
@@ -125,32 +167,66 @@ GisPlugin *gis_plugins_load(GisPlugins *self, const char *name,
 	g_free(constructor_str);
 	GisPluginConstructor constructor = constructor_ptr;
 
-	GisPluginStore *store = g_malloc(sizeof(GisPluginStore));
+	GisPluginStore *store = g_new0(GisPluginStore, 1);
 	store->name = g_strdup(name);
-	store->plugin = constructor(world, view, opengl, prefs);
-	g_ptr_array_add(self, store);
+	store->plugin = constructor(viewer, prefs);
+	plugins->plugins = g_list_prepend(plugins->plugins, store);
 	return store->plugin;
 }
 
-gboolean gis_plugins_unload(GisPlugins *self, const char *name)
+GisPlugin *gis_plugins_enable(GisPlugins *plugins, const char *name,
+		GisViewer *viewer, GisPrefs *prefs)
 {
-	for (int i = 0; i < self->len; i++) {
-		GisPluginStore *store = g_ptr_array_index(self, i);
+	GisPlugin *plugin = gis_plugins_load(plugins, name, viewer, prefs);
+	gis_prefs_set_boolean_v(plugins->prefs, "plugins", name, TRUE);
+	return plugin;
+}
+
+GList *gis_plugins_load_enabled(GisPlugins *plugins,
+		GisViewer *viewer, GisPrefs *prefs)
+{
+	GList *loaded = NULL;
+	for (GList *cur = gis_plugins_available(plugins); cur; cur = cur->next) {
+		gchar *name = cur->data;
+		if (gis_prefs_get_boolean_v(plugins->prefs, "plugins", name, NULL)) {
+			GisPlugin *plugin = gis_plugins_load(plugins, name, viewer, prefs);
+			loaded = g_list_prepend(loaded, plugin);
+		}
+	}
+	return loaded;
+}
+
+gboolean gis_plugins_unload(GisPlugins *plugins, const char *name)
+{
+	g_debug("GisPlugins: unload %s", name);
+	for (GList *cur = plugins->plugins; cur; cur = cur->next) {
+		GisPluginStore *store = cur->data;
 		if (g_str_equal(store->name, name)) {
 			g_object_unref(store->plugin);
 			g_free(store->name);
 			g_free(store);
-			g_ptr_array_remove_index(self, i);
+			plugins->plugins = g_list_delete_link(plugins->plugins, cur);
 		}
 	}
 	return FALSE;
 }
-void gis_plugins_foreach(GisPlugins *self, GCallback _callback, gpointer user_data)
+
+gboolean gis_plugins_disable(GisPlugins *plugins, const char *name)
+{
+	gis_prefs_set_boolean_v(plugins->prefs, "plugins", name, FALSE);
+	gis_plugins_unload(plugins, name);
+	return FALSE;
+}
+
+void gis_plugins_foreach(GisPlugins *plugins, GCallback _callback, gpointer user_data)
 {
+	g_debug("GisPlugins: foreach");
+	if (plugins == NULL)
+		return;
 	typedef void (*CBFunc)(GisPlugin *, const gchar *, gpointer);
 	CBFunc callback = (CBFunc)_callback;
-	for (int i = 0; i < self->len; i++) {
-		GisPluginStore *store = g_ptr_array_index(self, i);
+	for (GList *cur = plugins->plugins; cur; cur = cur->next) {
+		GisPluginStore *store = cur->data;
 		callback(store->plugin, store->name, user_data);
 	}
 }