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Diffstat (limited to 'src/generate-id.c')
| -rw-r--r-- | src/generate-id.c | 69 |
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; +} |