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authorAlessandro Ghedini <al3xbio@gmail.com>2011-10-19 10:56:04 +0200
committerAlessandro Ghedini <al3xbio@gmail.com>2011-10-19 10:56:04 +0200
commit6451a495637c6e3047a5a56573cffc6e3de9a515 (patch)
tree7c3eb29532e7c4b36a9da13c5890664fb816959b /src/utilities/config.vala
Imported Upstream version 0.2+gitdfdad95upstream/0.2+gitdfdad95
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+/*
+Copyright (c) 2011 by Simon Schneegans
+
+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/>.
+*/
+
+namespace GnomePie {
+
+/////////////////////////////////////////////////////////////////////////
+/// A singleton class for storing global settings. These settings can
+/// be loaded from and saved to an XML file.
+/////////////////////////////////////////////////////////////////////////
+
+public class Config : GLib.Object {
+
+ /////////////////////////////////////////////////////////////////////
+ /// The singleton instance of this class.
+ /////////////////////////////////////////////////////////////////////
+
+ private static Config _instance = null;
+
+ /////////////////////////////////////////////////////////////////////
+ /// Returns the singleton instance.
+ /////////////////////////////////////////////////////////////////////
+
+ public static Config global {
+ get {
+ if (_instance == null) {
+ _instance = new Config();
+ _instance.load();
+ }
+ return _instance;
+ }
+ private set {
+ _instance = value;
+ }
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// All settings variables.
+ /////////////////////////////////////////////////////////////////////
+
+ public Theme theme { get; set; }
+ public double refresh_rate { get; set; default = 60.0; }
+ public double global_scale { get; set; default = 1.0; }
+ public bool show_indicator { get; set; default = true; }
+ public bool open_at_mouse { get; set; default = true; }
+ public bool turbo_mode { get; set; default = false; }
+ public bool auto_start { get; set; default = false; }
+ public Gee.ArrayList<Theme?> themes { get; private set; }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Saves all above variables to a file.
+ /////////////////////////////////////////////////////////////////////
+
+ public void save() {
+ var writer = new Xml.TextWriter.filename(Paths.settings);
+ writer.start_document("1.0");
+ writer.start_element("settings");
+ writer.write_attribute("theme", theme.name);
+ writer.write_attribute("refresh_rate", refresh_rate.to_string());
+ writer.write_attribute("global_scale", global_scale.to_string());
+ writer.write_attribute("show_indicator", show_indicator ? "true" : "false");
+ writer.write_attribute("open_at_mouse", open_at_mouse ? "true" : "false");
+ writer.write_attribute("turbo_mode", turbo_mode ? "true" : "false");
+ writer.end_element();
+ writer.end_document();
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Loads all settings variables from a file.
+ /////////////////////////////////////////////////////////////////////
+
+ private void load() {
+
+ // check for auto_start filename
+ this.auto_start = FileUtils.test(Paths.autostart, FileTest.EXISTS);
+
+ // parse the settings file
+ Xml.Parser.init();
+ Xml.Doc* settingsXML = Xml.Parser.parse_file(Paths.settings);
+ bool error_occrured = false;
+ string theme_name = "";
+
+ if (settingsXML != null) {
+
+ Xml.Node* root = settingsXML->get_root_element();
+ if (root != null) {
+
+ for (Xml.Attr* attribute = root->properties; attribute != null; attribute = attribute->next) {
+ string attr_name = attribute->name.down();
+ string attr_content = attribute->children->content;
+
+ switch (attr_name) {
+ case "theme":
+ theme_name = attr_content;
+ break;
+ case "refresh_rate":
+ refresh_rate = double.parse(attr_content);
+ break;
+ case "global_scale":
+ global_scale = double.parse(attr_content);
+ global_scale.clamp(0.5, 2.0);
+ break;
+ case "show_indicator":
+ show_indicator = bool.parse(attr_content);
+ break;
+ case "open_at_mouse":
+ open_at_mouse = bool.parse(attr_content);
+ break;
+ case "turbo_mode":
+ turbo_mode = bool.parse(attr_content);
+ break;
+ default:
+ warning("Invalid setting \"" + attr_name + "\" in gnome-pie.conf!");
+ break;
+ }
+ }
+
+ Xml.Parser.cleanup();
+
+ } else {
+ warning("Error loading settings: gnome-pie.conf is empty! Using defaults...");
+ error_occrured = true;
+ }
+
+ delete settingsXML;
+
+ } else {
+ warning("Error loading settings: gnome-pie.conf not found! Using defaults...");
+ error_occrured = true;
+ }
+
+ load_themes(theme_name);
+
+ if (error_occrured) save();
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Registers all themes in the user's and in the global
+ /// theme directory.
+ /////////////////////////////////////////////////////////////////////
+
+ public void load_themes(string current) {
+ themes = new Gee.ArrayList<Theme?>();
+ try {
+ string name;
+
+ // load global themes
+ var d = Dir.open(Paths.global_themes);
+ while ((name = d.read_name()) != null) {
+ var theme = new Theme(Paths.global_themes + "/" + name);
+ if (theme != null)
+ themes.add(theme);
+ }
+
+ // load local themes
+ d = Dir.open(Paths.local_themes);
+ while ((name = d.read_name()) != null) {
+ var theme = new Theme(Paths.local_themes + "/" + name);
+ if (theme != null)
+ themes.add(theme);
+ }
+
+ } catch (Error e) {
+ warning (e.message);
+ }
+
+ if (themes.size > 0) {
+ if (current == "") {
+ current = "Unity";
+ warning("No theme specified! Using default...");
+ }
+ foreach (var t in themes) {
+ if (t.name == current) {
+ theme = t;
+ theme.load_images();
+ break;
+ }
+ }
+ if (theme == null) {
+ theme = themes[0];
+ warning("Theme \"" + current + "\" not found! Using fallback...");
+ }
+ }
+ else error("No theme found!");
+ }
+
+}
+
+}