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changeset 145:66b485431cac

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Change how slides are updated.
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 23 Oct 2013 02:01:07 +0300
parents c030c3cf0d80
children 672c7f28fb97
files createdb.php show.php showajax.php
diffstat 3 files changed, 26 insertions(+), 24 deletions(-) [+]
line wrap: on
line diff
--- a/createdb.php	Wed Oct 23 01:42:21 2013 +0300
+++ b/createdb.php	Wed Oct 23 02:01:07 2013 +0300
@@ -155,6 +155,7 @@
 $siteDisplayVars = array(
   "tempDuration"      => array(VT_INT, 120, "Temporary slide display time (seconds)"),
   "tempSlide"         => array(VT_INT, 0, "Temporary slide ID"),
+  "tempSlideSet"      => array(VT_BOOL, false, "Temporary slide set"),
 
   "showMode"          => array(VT_INT, 0, "Currently active display mode"),
 
@@ -165,6 +166,8 @@
   "rotateDuration"    => array(VT_INT, 15, "Slide rotation time per slide (seconds)"),
   "rotateList"        => array(VT_INT, 0, "Current rotation list ID"),
   "rotateListIndex"   => array(VT_INT, 0, "Current index in rotation list"),
+
+  "lastUpdate"        => array(VT_INT, 0, "Timestamp of last slide update"),
 );
 
 $siteTestData = array(
--- a/show.php	Wed Oct 23 01:42:21 2013 +0300
+++ b/show.php	Wed Oct 23 02:01:07 2013 +0300
@@ -36,8 +36,7 @@
 <script type="text/javascript">
 
 var failCount = 0;
-var prevView = -1, activeView = 0;
-var activeSlide = -1, activeSlideMode = -1;
+var prevView = -1, activeView = 0, lastUpdate = 0;
 var errorView = false;
 
 
@@ -78,25 +77,19 @@
 //
 function viewChanged()
 {
-  var msuccess3 = function(txt)
+  var msuccess2 = function(txt)
   {
     // Successfully fetched new data, initiate view update
     updateView(txt);
   }
 
-  var msuccess2 = function(txt)
+  var msuccess1 = function(txt)
   {
-    activeSlide = txt;
-    sendPOSTRequest("action=get&type=slide", msuccess3, displayError);
+    lastUpdate = txt;
+    sendPOSTRequest("action=get&type=slide", msuccess2, displayError);
   }
 
-  var msuccess1 = function(txt)
-  {
-    activeSlideMode = txt;
-    sendPOSTRequest("action=get&type=activeSlide", msuccess2, displayError);
-  }
-
-  sendPOSTRequest("action=get&type=activeSlideMode", msuccess1, displayError);
+  sendPOSTRequest("action=get&type=update", msuccess1, displayError);
 }
 
 
@@ -141,7 +134,7 @@
     }
   }
 
-  sendPOSTRequest("action=check&activeSlide="+activeSlide+"&activeSlideMode="+activeSlideMode, msuccess, mfail);
+  sendPOSTRequest("action=check&lastUpdate="+lastUpdate, msuccess, mfail);
 }
 
 setTimeout("tickMain();", 1000);
--- a/showajax.php	Wed Oct 23 01:42:21 2013 +0300
+++ b/showajax.php	Wed Oct 23 02:01:07 2013 +0300
@@ -70,17 +70,22 @@
 //
 // Check if the slide needs updating?
 //
-if (stGetDisplayVar("tempDuration") > 0 && stGetDisplayVar("tempSlide") > 0)
+$updated = FALSE;
+
+if (stGetDisplayVar("tempDuration") > 0 &&
+    stGetDisplayVar("tempSlide") > 0 &&
+    stGetDisplayVar("tempSlideSet"))
 {
   $sql = stPrepareSQL("SELECT * FROM displaySlides WHERE id=%d",
     stGetDisplayVar("tempSlide"));
 
   if (($res = stFetchSQL($sql)) !== false)
   {
-    stSetDisplayVar("tempDuration", 0);
+    stSetDisplayVar("tempSlideSet", FALSE);
     stSetDisplayVar("activeSlideMode", SMODE_ROTATE);
     stSetDisplayVar("activeSlide", stGetDisplayVar("tempSlide"));
     stSetDisplayVar("activeSlideExpire", time() + stGetDisplayVar("tempDuration"));
+    $updated = TRUE;
   }
 }
 else
@@ -94,6 +99,7 @@
     {
       stSetDisplayVar("rotateList", 1);
       stSetDisplayVar("activeSlideExpire", 0);
+      $updated = TRUE;
     }
 
     if (time() >= stGetDisplayVar("activeSlideExpire") &&
@@ -120,6 +126,7 @@
           {
             stSetDisplayVar("activeSlide", $slide_id);
             stSetDisplayVar("activeSlideExpire", time() + stGetDisplayVar("rotateDuration"));
+            $updated = TRUE;
           }
         }
 
@@ -136,16 +143,16 @@
     break;
 }
 
+if ($updated)
+  stSetDisplayVar("lastUpdate", time());
+
+
 $type = stGetRequestItem("type");
-
 switch (stGetRequestItem("action"))
 {
   case "check":
     // Check if there has been any change
-    $changed =
-      stGetRequestItem("activeSlide") != stGetDisplayVar("activeSlide") ||
-      stGetRequestItem("activeSlideMode") != stGetDisplayVar("activeSlideMode");
-      
+    $changed = stGetRequestItem("lastUpdate") != stGetDisplayVar("lastUpdate");
     echo $changed ? "changed" : "nochange";
     stSetStatus(200, "OK");
     break;
@@ -153,9 +160,8 @@
   case "get":
     switch ($type)
     {
-      case "activeSlideMode":
-      case "activeSlide":
-        echo stGetDisplayVar($type);
+      case "update":
+        echo stGetDisplayVar("lastUpdate");
         break;
 
       case "slide":