From e76422cb1dd5bc8b0b818be549a8f158e6ed61a2 Mon Sep 17 00:00:00 2001
From: Philipp Zabel <philipp.zabel@gmail.com>
Date: Thu, 27 May 2010 20:49:45 +0200
Subject: [PATCH] Add a help button and a button to restore original patterns

Fixes bugs #10255 and #10256.
---
 src/led-pattern-dialog.vala |   58 ++++++++++++++++++++++++++++++++++++++++---
 src/led-pattern-editor.vala |   17 ++++++++++++-
 2 files changed, 71 insertions(+), 4 deletions(-)

diff --git a/src/led-pattern-dialog.vala b/src/led-pattern-dialog.vala
index 1f05a39..e5bbdea 100644
--- a/src/led-pattern-dialog.vala
+++ b/src/led-pattern-dialog.vala
@@ -17,10 +17,18 @@
  */
 
 class LedPatternDialog : Gtk.Dialog {
-	unowned List<LedPattern> list;
+	public enum Response {
+		HELP = 1,
+		RESTORE = 2
+	}
+
+	private unowned Osso.Context osso_context;
+	private unowned List<LedPattern> list;
+	private bool close = false;
 
-	public LedPatternDialog (List<LedPattern> _list) {
+	public LedPatternDialog (List<LedPattern> _list, Osso.Context osso) {
 		list = _list;
+		osso_context = osso;
 		set_title ("LED Patterns");
 
 		var content = (Gtk.VBox) get_content_area ();
@@ -41,10 +49,39 @@ class LedPatternDialog : Gtk.Dialog {
 		content.pack_start (pannable, true, true, 0);
 		content.show_all ();
 
+		var button_help = new Gtk.Button.with_label ("Help");
+		Hildon.gtk_widget_set_theme_size (button_help, Hildon.SizeType.FINGER_HEIGHT);
+
+		var label = new Gtk.Label ("Restore original\npatterns");
+		label.justify = Gtk.Justification.CENTER;
+		var button_restore = new Gtk.Button ();
+		button_restore.add (label);
+		Hildon.helper_set_logical_font (button_restore, "SmallSystemFont");
+		Hildon.gtk_widget_set_theme_size (button_restore, Hildon.SizeType.FINGER_HEIGHT);
+
+		add_action_widget (button_help, Response.HELP);
+		add_action_widget (button_restore, Response.RESTORE);
+
+		var action_area = (Gtk.ButtonBox) get_action_area ();
+		action_area.set_child_secondary (button_help, true);
+		action_area.show_all ();
+
 		add_button ("Save", Gtk.ResponseType.OK);
+
+		response.connect (on_response);
 	}
 
-	void on_pattern_clicked (Gtk.Button button) {
+	public int run () {
+		int response = 0;
+		while (response >= 0) {
+			response = base.run ();
+			if (close)
+				return response;
+		}
+		return response;
+	}
+
+	private void on_pattern_clicked (Gtk.Button button) {
 		LedPattern pattern = button.get_data ("pattern");
 		if (pattern is LedPatternRX51) {
 			var dialog = new LedProgramDialog ((LedPatternRX51) pattern);
@@ -56,4 +93,19 @@ class LedPatternDialog : Gtk.Dialog {
 			dialog.destroy ();
 		}
 	}
+
+	private void on_response (int response_id) {
+		if (response_id == Response.HELP) {
+			var url = "http://wiki.maemo.org/LED_Pattern_Editor";
+			var status = osso_context.rpc_run_with_defaults ("osso_browser", "open_new_window", null, 's', url, 'b', false);
+			if (status != Osso.Status.OK)
+				Hildon.Banner.show_information (this, null, "Failed to open browser.");
+		} else if (response_id == Response.RESTORE) {
+			var note = new Hildon.Note.confirmation (this, "Restore original patterns? All user-created patterns will be lost.");
+			response_id = note.run ();
+			note.destroy ();
+			if (response_id == Gtk.ResponseType.OK)
+				close = true;
+		}
+	}
 }
diff --git a/src/led-pattern-editor.vala b/src/led-pattern-editor.vala
index a528c43..09e832d 100644
--- a/src/led-pattern-editor.vala
+++ b/src/led-pattern-editor.vala
@@ -21,7 +21,7 @@ public static Osso.Status execute (Osso.Context osso, void* data, bool user_acti
 
 	var list = mce_ini_parse ();
 
-	var dialog = new LedPatternDialog (list);
+	var dialog = new LedPatternDialog (list, osso);
 	dialog.set_transient_for (window);
 
 	int response = dialog.run ();
@@ -50,6 +50,21 @@ public static Osso.Status execute (Osso.Context osso, void* data, bool user_acti
 			note = new Hildon.Note.information (window, "The modified LED patterns are stored in /tmp/mce.ini. You have to manually copy this file to /etc/mce/mce.ini and restart MCE for the changes to take effect:\n\nmv /tmp/mce.ini /etc/mce/mce.ini\ninitctl stop mce; sleep 2; initctl start mce");
 			note.run ();
 		}
+	} else if (response == LedPatternDialog.Response.RESTORE) {
+		Hildon.Banner.show_information (window, null, "Applying changes and restarting MCE ...");
+		try {
+			int exit_status;
+			string error;
+			var command = "sudo /usr/bin/led-pattern-helper save /etc/mce/mce.ini.orig";
+			Process.spawn_command_line_sync (command, null, out error, out exit_status);
+			if (exit_status != 0) {
+				var information = "Exit status: %d\n%s".printf (exit_status, error);
+				var note = new Hildon.Note.information (window, information);
+				note.run ();
+			}
+		} catch (SpawnError e) {
+			Hildon.Banner.show_information (null, null, e.message);
+		}
 	}
 
 	return Osso.Status.OK;
-- 
1.7.9.5