Fremantle: Prestart MicroB if appropriate when reconfiguring browser-switchboard

[browser-switch] / config-ui / save-config.c

diff --git a/config-ui/save-config.c b/config-ui/save-config.c
index a80e089..1787f0e 100644 (file)
--- a/config-ui/save-config.c
+++ b/config-ui/save-config.c
@@ -28,6 +28,10 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 
+#ifdef FREMANTLE
+#include <sys/wait.h>
+#endif
+
 #include "configfile.h"
 #include "config.h"
 
@@ -145,3 +149,48 @@ out:
                fclose(fp);
        return retval;
 }
+
+/* Reconfigure a running browser-switchboard process with new settings */
+void swb_reconfig(struct swb_config *old, struct swb_config *new) {
+#ifdef FREMANTLE
+       int microb_was_autostarted, microb_should_autostart;
+       pid_t pid;
+       int status;
+#endif
+
+       /* Try to send SIGHUP to any running browser-switchboard process
+          This causes it to reread config files if in continuous_mode, or
+          die so that the config will be reloaded on next start otherwise */
+       system("kill -HUP `pidof browser-switchboard` > /dev/null 2>&1");
+
+#ifdef FREMANTLE
+       if (!old || !new)
+               return;
+
+       microb_was_autostarted = (old->autostart_microb == 1) ||
+                                (!strcmp(old->default_browser, "microb") &&
+                                 old->autostart_microb);
+       microb_should_autostart = (new->autostart_microb == 1) ||
+                                 (!strcmp(new->default_browser, "microb") &&
+                                  new->autostart_microb);
+       if (!microb_was_autostarted && microb_should_autostart) {
+               /* MicroB should be started if it's not running */
+               status = system("pidof browser > /dev/null");
+               if (WIFEXITED(status) && WEXITSTATUS(status)) {
+                       if ((pid = fork()) == -1)
+                               return;
+
+                       if (!pid) {
+                               /* Child process, start MicroB */
+                               execl("/usr/bin/maemo-invoker", "browser",
+                                     (char *)NULL);
+                       }
+               }
+       }
+       /* XXX: We'd like to stop MicroB if (microb_was_autostarted &&
+          !microb_should_autostart), but we don't know if the open MicroB
+          process has open windows. */
+#endif /* FREMANTLE */
+
+       return;
+}