Switching to using ordering IDs instead of the LRU file.

1 files changed, 69 insertions, 0 deletions

diff --git a/src/generate-id.c b/src/generate-id.c
new file mode 100644
index 0000000..14d762e
--- /dev/null
+++ b/src/generate-id.c
@@ -0,0 +1,69 @@
+/*
+Quick litte lack to generate the ordering ID.
+
+Copyright 2010 Canonical Ltd.
+
+Authors:
+    Ted Gould <ted@canonical.com>
+
+This program is free software: you can redistribute it and/or modify it 
+under the terms of the GNU General Public License version 3, as published 
+by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful, but 
+WITHOUT ANY WARRANTY; without even the implied warranties of 
+MERCHANTABILITY, SATISFACTORY QUALITY, 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/>.
+*/
+
+#include "generate-id.h"
+
+#define MULTIPLIER 32
+
+guint32
+generate_id (const AppIndicatorCategory catenum, const gchar * id)
+{
+	guchar category = 0;
+	guchar first = 0;
+	guchar second = 0;
+	guchar third = 0;
+
+	switch (catenum) {
+	case APP_INDICATOR_CATEGORY_OTHER:
+		category = MULTIPLIER * 5;
+		break;
+	case APP_INDICATOR_CATEGORY_APPLICATION_STATUS:
+		category = MULTIPLIER * 4;
+		break;
+	case APP_INDICATOR_CATEGORY_COMMUNICATIONS:
+		category = MULTIPLIER * 3;
+		break;
+	case APP_INDICATOR_CATEGORY_SYSTEM_SERVICES:
+		category = MULTIPLIER * 2;
+		break;
+	case APP_INDICATOR_CATEGORY_HARDWARE:
+		category = MULTIPLIER * 1;
+		break;
+	default:
+		g_warning("Got an undefined category: %d", category);
+		category = 0;
+		break;
+	}
+	
+	if (id != NULL) {
+		if (id[0] != '\0') {
+			first = id[0];
+			if (id[1] != '\0') {
+				second = id[1];
+				if (id[2] != '\0') {
+					third = id[2];
+				}
+			}
+		}
+	}
+
+	return (((((category * 256) + first) * 256) + second) * 256) + third;
+}