refactor: mobild and desktop detection -> server side

src/QUI/Bricks/Controls/Slider/PromosliderWallpaper.html

 <div class="quiqqer-bricks-promoslider-wallpaper-container">
+    {if $isDesktop}
     {strip}
     <ul class="hide-on-mobile">
         {foreach $desktopSlides as $key => $slide}
@@ -39,7 +40,9 @@
         {/foreach}
     </ul>
     {/strip}
+    {/if}
 
+    {if $isMobile}
     {strip}
     <ul class="hide-on-desktop">
         {foreach $mobileSlides as $key => $slide}
@@ -79,6 +82,7 @@
         {/foreach}
     </ul>
     {/strip}
+    {/if}
 </div>
 <div class="quiqqer-bricks-promoslider-wallpaper-dots"></div>
 
@@ -91,4 +95,4 @@
             {$this->getAttribute('showarrows')}">
     <span class="fa fa-chevron-right"></span>
 </div>
-{/if}
+{/if}
\ No newline at end of file

src/QUI/Bricks/Controls/Slider/PromosliderWallpaper.php

@@ -239,6 +239,11 @@ public function getBody()
 
         $Engine->assign($options);
 
+        $Engine->assign([
+            'isMobile'  => QUI\MobileDetection::isMobile(),
+            'isDesktop' => QUI\MobileDetection::isDesktop()
+        ]);
+
         return $Engine->fetch($this->getAttribute('template'));
     }
 }

src/QUI/Bricks/Controls/Slider/PromosliderWallpaper2Content.html

@@ -21,8 +21,8 @@
 
             {if $key === 0}
             <noscript>
-                {if $slide.url}<a href="{$slide.url}" {if $slide.newTab}target="_blank"{/if}>{/if}
-                    {image image=$slide.image class="quiqqer-bricks-promoslider-wallpaper2Content-noScriptImage"}
+                {if $slide.url}<a href="{$slide.url}" {if $slide.newTab}target="_blank" {/if}>{/if}
+                {image image=$slide.image class="quiqqer-bricks-promoslider-wallpaper2Content-noScriptImage"}
                 {if $slide.url}</a>{/if}
             </noscript>
             {/if}
@@ -32,6 +32,7 @@
     </ul>
     {/strip}
 
+    {if $isMobile}
     {strip}
     <ul class="hide-on-desktop">
         {foreach $mobileSlides as $key => $slide}
@@ -54,8 +55,8 @@
 
             {if $key === 0}
             <noscript>
-                {if $slide.url}<a href="{$slide.url}" {if $slide.newTab}target="_blank"{/if}>{/if}
-                    {image image=$slide.image class="quiqqer-bricks-promoslider-wallpaper2Content-noScriptImage"}
+                {if $slide.url}<a href="{$slide.url}" {if $slide.newTab}target="_blank" {/if}>{/if}
+                {image image=$slide.image class="quiqqer-bricks-promoslider-wallpaper2Content-noScriptImage"}
                 {if $slide.url}</a>{/if}
             </noscript>
             {/if}
@@ -64,16 +65,15 @@
         {/foreach}
     </ul>
     {/strip}
+    {/if}
 </div>
 <div class="quiqqer-bricks-promoslider-wallpaper-dots"></div>
 
 {if count($desktopSlides) > 1 && $this->getAttribute('showarrows') != 'hide'}
-<div class="quiqqer-bricks-promoslider-wallpaper-prev hide-on-mobile
-            {$this->getAttribute('showarrows')}">
+<div class="quiqqer-bricks-promoslider-wallpaper-prev hide-on-mobile {$this->getAttribute('showarrows')}">
     <span class="fa fa-chevron-left"></span>
 </div>
-<div class="quiqqer-bricks-promoslider-wallpaper-next hide-on-mobile
-            {$this->getAttribute('showarrows')}">
+<div class="quiqqer-bricks-promoslider-wallpaper-next hide-on-mobile {$this->getAttribute('showarrows')}">
     <span class="fa fa-chevron-right"></span>
 </div>