Sysinfo Gadgets: Provide only demo data and don't poll/thread when gadgets are in demo mode.

This fixes T5816

src/modules/sysinfo/batman/batman.c

@@ -390,6 +390,11 @@ _batman_config_updated(Instance *inst)
 
    if (!inst->cfg) return;
 
+   if (inst->cfg->id == -1)
+     {
+        _batman_face_level_set(inst->cfg->batman.o_gadget, .60);
+        return;
+     }
    if ((inst->cfg->batman.force_mode == UNKNOWN) ||
        (inst->cfg->batman.force_mode == SUBSYSTEM))
      {

src/modules/sysinfo/cpuclock/cpuclock.c

@@ -364,6 +364,14 @@ _cpuclock_config_updated(Instance *inst)
    int i;
    unsigned int count;
 
+   if (inst->cfg->id == -1)
+     {
+        inst->cfg->cpuclock.status->cur_frequency = 3.0;
+        inst->cfg->cpuclock.status->can_set_frequency = 1;
+        inst->cfg->cpuclock.status->cur_min_frequency = 0.5;
+        inst->cfg->cpuclock.status->cur_max_frequency = 3.5;
+        return;
+     }
    if (inst->cfg->cpuclock.status->frequencies)
      {
         count = eina_list_count(inst->cfg->cpuclock.status->frequencies);

src/modules/sysinfo/cpumonitor/cpumonitor.c

@@ -262,7 +262,36 @@ _cpumonitor_config_updated(Instance *inst)
    Thread_Config *thc;
    CPU_Core *core;
    int i = 0;
-   
+ 
+   if (inst->cfg->id == -1)
+     {
+        int percent = 15;
+        thc = E_NEW(Thread_Config, 1);
+        if (thc)
+          {
+             thc->inst = inst;
+             thc->total = 0;
+             thc->idle = 0;
+             thc->percent = 60;
+             for (i = 0; i < 4; i++)
+               {
+                  core = E_NEW(CPU_Core, 1);
+                  core->layout = _cpumonitor_add_layout(inst);
+                  if (i == 0)
+                    evas_object_event_callback_add(core->layout, EVAS_CALLBACK_RESIZE, _cpumonitor_resize_cb, inst);
+                  core->percent = percent;
+                  core->total = 0;
+                  core->idle = 0;
+                  thc->cores = eina_list_append(thc->cores, core);
+	          percent += 15;
+               }
+             _cpumonitor_face_update(thc);
+             EINA_LIST_FREE(thc->cores, core)
+               E_FREE(core);
+             E_FREE(thc);
+	  }
+	return;
+     }
    if (!ecore_thread_check(inst->cfg->cpumonitor.usage_check_thread))
      {
         _cpumonitor_del_layouts(inst);

src/modules/sysinfo/memusage/memusage.c

@@ -358,6 +358,13 @@ _memusage_config_updated(Instance *inst)
 {
    Thread_Config *thc;
 
+   if (inst->cfg->id == -1)
+     {
+        inst->cfg->memusage.mem_percent = 75;
+        inst->cfg->memusage.swp_percent = 30;
+        _memusage_face_update(inst);
+	return;
+     }
    if (inst->cfg->memusage.usage_check_thread)
      {
         ecore_thread_cancel(inst->cfg->memusage.usage_check_thread);

src/modules/sysinfo/netstatus/netstatus.c

@@ -237,6 +237,19 @@ _netstatus_config_updated(Instance *inst)
 {
    Thread_Config *thc;
 
+   if (inst->cfg->id == -1)
+     {
+        thc = E_NEW(Thread_Config, 1);
+        if (thc)
+          {
+             thc->inst = inst;
+             thc->inpercent = 75;
+             thc->outpercent = 30;
+             _netstatus_face_update(thc);
+             E_FREE(thc);
+	  }
+        return;
+     }
    if (inst->cfg->netstatus.usage_check_thread)
      {
         ecore_thread_cancel(inst->cfg->netstatus.usage_check_thread);

src/modules/sysinfo/thermal/thermal.c

@@ -259,6 +259,11 @@ _thermal_config_updated(Instance *inst)
 {
    Tempthread *tth;
 
+   if (inst->cfg->id == -1)
+     {
+        _thermal_face_level_set(inst, .60);
+        return;
+     }
    if (inst->cfg->thermal.th) ecore_thread_cancel(inst->cfg->thermal.th);
 
    tth = calloc(1, sizeof(Tempthread));