e_policy_wl: add hook apis for module

Change-Id: I5f6040b5e234a134da3cfc0e2f270ffba9e42639

diff --git a/src/bin/e_policy_wl.c b/src/bin/e_policy_wl.c
index 0e8d81b508c05db9fb30336315ab710a3d15a99f..e4edba0fe1aeee1be88ab62659e9646288b24380 100644 (file)
--- a/src/bin/e_policy_wl.c
+++ b/src/bin/e_policy_wl.c
@@ -216,6 +216,14 @@ static Eina_List *hooks_co = NULL;
 static struct wl_resource *_scrsaver_mng_res = NULL; // TODO
 static struct wl_resource *_indicator_srv_res = NULL;
 
+static int _e_policy_wl_hooks_delete = 0;
+static int _e_policy_wl_hooks_walking = 0;
+
+static Eina_Inlist *_e_policy_wl_hooks[] =
+{
+   [E_POLICY_WL_HOOK_BASE_OUTPUT_RESOLUTION_GET] = NULL,
+};
+
 E_API int E_EVENT_POLICY_INDICATOR_STATE_CHANGE = -1;
 E_API int E_EVENT_POLICY_INDICATOR_OPACITY_MODE_CHANGE = -1;
 E_API int E_EVENT_POLICY_INDICATOR_VISIBLE_STATE_CHANGE = -1;
@@ -272,6 +280,77 @@ static void                _launch_effect_hide(uint32_t pid);
 static void                _launch_effect_client_del(E_Client *ec);
 static void                _launch_splash_off(E_Policy_Wl_Tzlaunch_Splash *tzlaunch_splash);
 
+// --------------------------------------------------------
+// E_Policy_Wl_Hook
+// --------------------------------------------------------
+
+static void
+_e_policy_wl_hooks_clean()
+{
+   E_Policy_Wl_Hook *epwh = NULL;
+   Eina_Inlist *l = NULL;
+   unsigned int x;
+
+   for (x = 0; x < E_POLICY_WL_HOOK_LAST; x++)
+     {
+        EINA_INLIST_FOREACH_SAFE(_e_policy_wl_hooks[x], l, epwh)
+          {
+             if (!epwh->delete_me) continue;
+             _e_policy_wl_hooks[x] = eina_inlist_remove(_e_policy_wl_hooks[x], EINA_INLIST_GET(epwh));
+             free(epwh);
+          }
+     }
+}
+
+static void
+_e_policy_wl_hook_call(E_Policy_Wl_Hook_Point hookpoint, pid_t pid)
+{
+   E_Policy_Wl_Hook *epwh = NULL;
+
+   _e_policy_wl_hooks_walking++;
+   EINA_INLIST_FOREACH(_e_policy_wl_hooks[hookpoint], epwh)
+     {
+        if (epwh->delete_me) continue;
+        epwh->func(epwh->data, pid);
+     }
+   _e_policy_wl_hooks_walking--;
+
+   if ((_e_policy_wl_hooks_walking == 0) && (_e_policy_wl_hooks_delete > 0))
+     _e_policy_wl_hooks_clean();
+}
+
+E_API E_Policy_Wl_Hook *
+e_policy_wl_hook_add(E_Policy_Wl_Hook_Point hookpoint, E_Policy_Wl_Hook_Cb func, const void *data)
+{
+   E_Policy_Wl_Hook *epwh = NULL;
+
+   EINA_SAFETY_ON_TRUE_RETURN_VAL(hookpoint < 0, NULL);
+   EINA_SAFETY_ON_TRUE_RETURN_VAL(hookpoint >= E_POLICY_WL_HOOK_LAST, NULL);
+
+   epwh = E_NEW(E_Policy_Wl_Hook, 1);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(epwh, NULL);
+
+   epwh->hookpoint = hookpoint;
+   epwh->func = func;
+   epwh->data = (void *)data;
+   _e_policy_wl_hooks[hookpoint] = eina_inlist_append(_e_policy_wl_hooks[hookpoint], EINA_INLIST_GET(epwh));
+
+   return epwh;
+}
+
+E_API void
+e_policy_wl_hook_del(E_Policy_Wl_Hook *epwh)
+{
+   epwh->delete_me = 1;
+   if (_e_policy_wl_hooks_walking == 0)
+     {
+        _e_policy_wl_hooks[epwh->hookpoint] = eina_inlist_remove(_e_policy_wl_hooks[epwh->hookpoint], EINA_INLIST_GET(epwh));
+        free(epwh);
+     }
+   else
+     _e_policy_wl_hooks_delete++;
+}
+
 // --------------------------------------------------------
 // E_Policy_Wl_Tzpol
 // --------------------------------------------------------

diff --git a/src/bin/e_policy_wl.h b/src/bin/e_policy_wl.h
index 55e87dd6f073e1f95455fff044067058f8ff2746..2da5ab4426a9c391a3ce499d284d0afc14c3cb2f 100644 (file)
--- a/src/bin/e_policy_wl.h
+++ b/src/bin/e_policy_wl.h
@@ -12,6 +12,28 @@ void      e_policy_wl_client_add(E_Client *ec);
 void      e_policy_wl_client_del(E_Client *ec);
 void      e_policy_wl_pixmap_del(E_Pixmap *cp);
 
+typedef struct _E_Policy_Wl_Hook E_Policy_Wl_Hook;
+typedef void (*E_Policy_Wl_Hook_Cb)(void *data, pid_t pid);
+
+typedef enum _E_Policy_Wl_Hook_Point
+{
+   E_POLICY_WL_HOOK_BASE_OUTPUT_RESOLUTION_GET,
+   E_POLICY_WL_HOOK_LAST,
+} E_Policy_Wl_Hook_Point;
+
+struct _E_Policy_Wl_Hook
+{
+   EINA_INLIST;
+   E_Policy_Wl_Hook_Point hookpoint;
+   E_Policy_Wl_Hook_Cb    func;
+   void                  *data;
+   unsigned char          delete_me : 1;
+};
+
+/* hook */
+E_API E_Policy_Wl_Hook* e_policy_wl_hook_add(E_Policy_Wl_Hook_Point hookpoint, E_Policy_Wl_Hook_Cb func, const void *data);
+E_API void              e_policy_wl_hook_del(E_Policy_Wl_Hook *epwh);
+
 /* visibility */
 void      e_policy_wl_visibility_send(E_Client *ec, int vis);