Move empathy-status-presets to libempathy, nothing to do with GTK

svn path=/trunk/; revision=591

1 files changed, 407 insertions, 0 deletions

diff --git a/libempathy/empathy-status-presets.c b/libempathy/empathy-status-presets.c
new file mode 100644
index 000000000..54f7b629c
--- /dev/null
+++ b/libempathy/empathy-status-presets.c
@@ -0,0 +1,407 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2005-2007 Imendio AB
+ *
+ * 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: Martyn Russell <martyn@imendio.com>
+ */
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <string.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+
+#include <telepathy-glib/util.h>
+
+#include "empathy-debug.h"
+#include "empathy-utils.h"
+#include "empathy-status-presets.h"
+
+#define DEBUG_DOMAIN "StatusPresets"
+
+#define STATUS_PRESETS_XML_FILENAME "status-presets.xml"
+#define STATUS_PRESETS_DTD_FILENAME "empathy-status-presets.dtd"
+#define STATUS_PRESETS_MAX_EACH     15
+
+typedef struct {
+	gchar      *status;
+	McPresence  state;
+} StatusPreset;
+
+static StatusPreset *status_preset_new          (McPresence    state,
+						 const gchar  *status);
+static void     status_preset_free              (StatusPreset *status);
+static void     status_presets_file_parse       (const gchar  *filename);
+const gchar *   status_presets_get_state_as_str (McPresence    state);
+static gboolean status_presets_file_save        (void);
+static void     status_presets_set_default      (McPresence    state,
+						 const gchar  *status);
+
+static GList        *presets = NULL;
+static StatusPreset *default_preset = NULL;
+
+static StatusPreset *
+status_preset_new (McPresence   state,
+		   const gchar *status)
+{
+	StatusPreset *preset;
+
+	preset = g_new0 (StatusPreset, 1);
+
+	preset->status = g_strdup (status);
+	preset->state = state;
+
+	return preset;
+}
+
+static void
+status_preset_free (StatusPreset *preset)
+{
+	g_free (preset->status);
+	g_free (preset);
+}
+
+static void
+status_presets_file_parse (const gchar *filename)
+{
+	xmlParserCtxtPtr ctxt;
+	xmlDocPtr        doc;
+	xmlNodePtr       presets_node;
+	xmlNodePtr       node;
+
+	empathy_debug (DEBUG_DOMAIN, "Attempting to parse file:'%s'...", filename);
+
+	ctxt = xmlNewParserCtxt ();
+
+	/* Parse and validate the file. */
+	doc = xmlCtxtReadFile (ctxt, filename, NULL, 0);
+	if (!doc) {
+		g_warning ("Failed to parse file:'%s'", filename);
+		xmlFreeParserCtxt (ctxt);
+		return;
+	}
+
+	if (!empathy_xml_validate (doc, STATUS_PRESETS_DTD_FILENAME)) {
+		g_warning ("Failed to validate file:'%s'", filename);
+		xmlFreeDoc(doc);
+		xmlFreeParserCtxt (ctxt);
+		return;
+	}
+
+	/* The root node, presets. */
+	presets_node = xmlDocGetRootElement (doc);
+
+	node = presets_node->children;
+	while (node) {
+		if (strcmp ((gchar *) node->name, "status") == 0 ||
+		    strcmp ((gchar *) node->name, "default") == 0) {
+			McPresence    state;
+			gchar        *status;
+			gchar        *state_str;
+			StatusPreset *preset;
+			gboolean      is_default = FALSE;
+
+			if (strcmp ((gchar *) node->name, "default") == 0) {
+				is_default = TRUE;
+			}
+
+			status = (gchar *) xmlNodeGetContent (node);
+			state_str = (gchar *) xmlGetProp (node, "presence");
+
+			if (state_str) {
+				state = empathy_presence_state_from_str (state_str);
+
+				if (is_default) {
+					empathy_debug (DEBUG_DOMAIN,
+						      "Default status preset state is:'%s', status:'%s'",
+						      state_str, status);
+
+					status_presets_set_default (state, status);
+				} else {
+					preset = status_preset_new (state, status);
+					presets = g_list_append (presets, preset);
+				}
+			}
+
+			xmlFree (status);
+			xmlFree (state_str);
+		}
+
+		node = node->next;
+	}
+
+	/* Use the default if not set */
+	if (!default_preset) {
+		status_presets_set_default (MC_PRESENCE_OFFLINE, NULL);
+	}
+
+	empathy_debug (DEBUG_DOMAIN, "Parsed %d status presets", g_list_length (presets));
+
+	xmlFreeDoc (doc);
+	xmlFreeParserCtxt (ctxt);
+}
+
+void
+empathy_status_presets_get_all (void)
+{
+	gchar *dir;
+	gchar *file_with_path;
+
+	/* If already set up clean up first. */
+	if (presets) {
+		g_list_foreach (presets, (GFunc) status_preset_free, NULL);
+		g_list_free (presets);
+		presets = NULL;
+	}
+
+	dir = g_build_filename (g_get_home_dir (), ".gnome2", PACKAGE_NAME, NULL);
+	g_mkdir_with_parents (dir, S_IRUSR | S_IWUSR | S_IXUSR);
+	file_with_path = g_build_filename (dir, STATUS_PRESETS_XML_FILENAME, NULL);
+	g_free (dir);
+
+	if (g_file_test (file_with_path, G_FILE_TEST_EXISTS)) {
+		status_presets_file_parse (file_with_path);
+	}
+
+	g_free (file_with_path);
+}
+
+static gboolean
+status_presets_file_save (void)
+{
+	xmlDocPtr   doc;
+	xmlNodePtr  root;
+	GList      *l;
+	gchar      *dir;
+	gchar      *file;
+	gint        count[LAST_MC_PRESENCE];
+	gint        i;
+
+	for (i = 0; i < LAST_MC_PRESENCE; i++) {
+		count[i] = 0;
+	}
+
+	dir = g_build_filename (g_get_home_dir (), ".gnome2", PACKAGE_NAME, NULL);
+	g_mkdir_with_parents (dir, S_IRUSR | S_IWUSR | S_IXUSR);
+	file = g_build_filename (dir, STATUS_PRESETS_XML_FILENAME, NULL);
+	g_free (dir);
+
+	doc = xmlNewDoc ("1.0");
+	root = xmlNewNode (NULL, "presets");
+	xmlDocSetRootElement (doc, root);
+
+	if (default_preset) {
+		xmlNodePtr  subnode;
+		xmlChar    *state;
+
+		state = (gchar*) empathy_presence_state_to_str (default_preset->state);
+
+		subnode = xmlNewTextChild (root, NULL, "default",
+					   default_preset->status);
+		xmlNewProp (subnode, "presence", state);
+	}
+
+	for (l = presets; l; l = l->next) {
+		StatusPreset *sp;
+		xmlNodePtr    subnode;
+		xmlChar      *state;
+
+		sp = l->data;
+		state = (gchar*) empathy_presence_state_to_str (sp->state);
+
+		count[sp->state]++;
+		if (count[sp->state] > STATUS_PRESETS_MAX_EACH) {
+			continue;
+		}
+
+		subnode = xmlNewTextChild (root, NULL,
+					   "status", sp->status);
+		xmlNewProp (subnode, "presence", state);
+	}
+
+	/* Make sure the XML is indented properly */
+	xmlIndentTreeOutput = 1;
+
+	empathy_debug (DEBUG_DOMAIN, "Saving file:'%s'", file);
+	xmlSaveFormatFileEnc (file, doc, "utf-8", 1);
+	xmlFreeDoc (doc);
+
+	g_free (file);
+
+	return TRUE;
+}
+
+GList *
+empathy_status_presets_get (McPresence state,
+			   gint       max_number)
+{
+	GList *list = NULL;
+	GList *l;
+	gint   i;
+
+	i = 0;
+	for (l = presets; l; l = l->next) {
+		StatusPreset *sp;
+
+		sp = l->data;
+
+		if (sp->state != state) {
+			continue;
+		}
+
+		list = g_list_append (list, sp->status);
+		i++;
+
+		if (max_number != -1 && i >= max_number) {
+			break;
+		}
+	}
+
+	return list;
+}
+
+void
+empathy_status_presets_set_last (McPresence   state,
+				const gchar *status)
+{
+	GList        *l;
+	StatusPreset *preset;
+	gint          num;
+
+	/* Check if duplicate */
+	for (l = presets; l; l = l->next) {
+		preset = l->data;
+
+		if (state == preset->state &&
+		    !tp_strdiff (status, preset->status)) {
+			return;
+		}
+	}
+
+	preset = status_preset_new (state, status);
+	presets = g_list_prepend (presets, preset);
+
+	num = 0;
+	for (l = presets; l; l = l->next) {
+		preset = l->data;
+
+		if (state != preset->state) {
+			continue;
+		}
+
+		num++;
+
+		if (num > STATUS_PRESETS_MAX_EACH) {
+			status_preset_free (preset);
+			presets = g_list_delete_link (presets, l);
+			break;
+		}
+	}
+
+	status_presets_file_save ();
+}
+
+void
+empathy_status_presets_remove (McPresence   state,
+			       const gchar *status)
+{
+	StatusPreset *preset;
+	GList        *l;
+
+	for (l = presets; l; l = l->next) {
+		preset = l->data;
+
+		if (state == preset->state &&
+		    !tp_strdiff (status, preset->status)) {
+			status_preset_free (preset);
+			presets = g_list_delete_link (presets, l);
+			status_presets_file_save ();
+			break;
+		}
+	}
+}
+
+void
+empathy_status_presets_reset (void)
+{
+	g_list_foreach (presets, (GFunc) status_preset_free, NULL);
+	g_list_free (presets);
+
+	presets = NULL;
+
+	status_presets_set_default (MC_PRESENCE_AVAILABLE, NULL);
+
+	status_presets_file_save ();
+}
+
+McPresence
+empathy_status_presets_get_default_state (void)
+{
+	if (!default_preset) {
+		return MC_PRESENCE_OFFLINE;
+	}
+
+	return default_preset->state;
+}
+
+const gchar *
+empathy_status_presets_get_default_status (void)
+{
+	if (!default_preset ||
+	    !default_preset->status) {
+		return NULL;
+	}
+
+	return default_preset->status;
+}
+
+static void
+status_presets_set_default (McPresence   state,
+			    const gchar *status)
+{
+	if (default_preset) {
+		status_preset_free (default_preset);
+	}
+
+	default_preset = status_preset_new (state, status);
+}
+
+void
+empathy_status_presets_set_default (McPresence   state,
+				   const gchar *status)
+{
+	status_presets_set_default (state, status);
+	status_presets_file_save ();
+}
+
+void
+empathy_status_presets_clear_default (void)
+{
+	if (default_preset) {
+		status_preset_free (default_preset);
+		default_preset = NULL;
+	}
+
+	status_presets_file_save ();
+}