static void
disassociate_window (ShellWindowTracker *self,
MetaWindow *window)
{
ShellApp *app;
app = g_hash_table_lookup (self->window_to_app, window);
if (!app)
return;
g_object_ref (app);
g_hash_table_remove (self->window_to_app, window);
_shell_app_remove_window (app, window);
if (shell_app_get_n_windows (app) == 0)
{
const char *id = shell_app_get_id (app);
g_hash_table_remove (self->running_apps, id);
g_signal_emit (self, signals[APP_RUNNING_CHANGED], 0, app);
}
g_signal_emit (self, signals[TRACKED_WINDOWS_CHANGED], 0);
g_object_unref (app);
}
static void
track_window (ShellWindowTracker *self,
MetaWindow *window)
{
ShellApp *app;
if (!window_is_tracked (window))
return;
app = get_app_for_window (self, window);
if (!app)
return;
/* At this point we've stored the association from window -> application */
g_hash_table_insert (self->window_to_app, window, app);
/* However, only put interesting windows in the window list for an app. */
if (!shell_window_tracker_is_window_interesting (window))
return;
if (shell_app_is_transient (app))
{
/* For a transient application, it's possible one of our title regexps
* will match at a later time, i.e. the application may not have set
* its title fully at the time it initially maps a window. Watch
* for title changes and recompute the app.
*/
g_signal_connect (window, "notify::title", G_CALLBACK (on_transient_window_title_changed), self);
}
_shell_app_add_window (app, window);
if (shell_app_get_n_windows (app) == 1)
{
/* key is owned by the app */
g_hash_table_insert (self->running_apps, (char*)shell_app_get_id (app),
app);
g_signal_emit (self, signals[APP_RUNNING_CHANGED], 0, app);
}
g_signal_emit (self, signals[TRACKED_WINDOWS_CHANGED], 0);
}
/* Save app data lists to file */
static gboolean
idle_save_application_usage (gpointer data)
{
ShellAppUsage *self = SHELL_APP_USAGE (data);
UsageIterator iter;
const char *current_context;
const char *context;
const char *id;
UsageData *usage;
GFileOutputStream *output;
GOutputStream *buffered_output;
GDataOutputStream *data_output;
GError *error = NULL;
self->save_id = 0;
/* Parent directory is already created by shell-global */
output = g_file_replace (self->configfile, NULL, FALSE, G_FILE_CREATE_NONE, NULL, &error);
if (!output)
{
g_debug ("Could not save applications usage data: %s", error->message);
g_error_free (error);
return FALSE;
}
buffered_output = g_buffered_output_stream_new (G_OUTPUT_STREAM (output));
g_object_unref (output);
data_output = g_data_output_stream_new (G_OUTPUT_STREAM (buffered_output));
g_object_unref (buffered_output);
if (!g_data_output_stream_put_string (data_output, "<?xml version=\"1.0\"?>\n<application-state>\n", NULL, &error))
goto out;
usage_iterator_init (self, &iter);
current_context = NULL;
while (usage_iterator_next (self, &iter, &context, &id, &usage))
{
ShellApp *app;
app = shell_app_system_lookup_app (shell_app_system_get_default(), id);
if (!app)
continue;
if (context != current_context)
{
if (current_context != NULL)
{
if (!g_data_output_stream_put_string (data_output, " </context>", NULL, &error))
goto out;
}
current_context = context;
if (!g_data_output_stream_put_string (data_output, " <context", NULL, &error))
goto out;
if (!write_attribute_string (data_output, "id", context, &error))
goto out;
if (!g_data_output_stream_put_string (data_output, ">\n", NULL, &error))
goto out;
}
if (!g_data_output_stream_put_string (data_output, " <application", NULL, &error))
goto out;
if (!write_attribute_string (data_output, "id", id, &error))
goto out;
if (!write_attribute_uint (data_output, "open-window-count", shell_app_get_n_windows (app), &error))
goto out;
if (!write_attribute_double (data_output, "score", usage->score, &error))
goto out;
if (!write_attribute_uint (data_output, "last-seen", usage->last_seen, &error))
goto out;
if (!g_data_output_stream_put_string (data_output, "/>\n", NULL, &error))
goto out;
}
if (current_context != NULL)
{
if (!g_data_output_stream_put_string (data_output, " </context>\n", NULL, &error))
goto out;
}
if (!g_data_output_stream_put_string (data_output, "</application-state>\n", NULL, &error))
goto out;
out:
if (!error)
g_output_stream_close_async (G_OUTPUT_STREAM (data_output), 0, NULL, NULL, NULL);
g_object_unref (data_output);
if (error)
{
g_debug ("Could not save applications usage data: %s", error->message);
g_error_free (error);
}
return FALSE;
}
