whisper.cat/weboasis/arcade/minigolf/css/ios_fullscreen.css

function buildIOSMeta(){

    var aMetaTags = [
        { name : "viewport",
          content : 'width=device-width, height=device-height, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no'},
        { name: 'apple-mobile-web-app-capable',
          content: 'yes'},
        { name: 'apple-mobile-web-app-status-bar-style',
          content: 'black'}      
    ];
    
    for( var i = 0; i < aMetaTags.length; i++ ){
        var oNewMeta = document.createElement('meta');
        oNewMeta.name = aMetaTags[i].name;
        oNewMeta.content = aMetaTags[i].content;

        var oOldMeta = window.document.head.querySelector('meta[name="'+oNewMeta.name+'"]');
        if (oOldMeta) {
            oOldMeta.parentNode.removeChild(oOldMeta);
        }
        window.document.head.appendChild(oNewMeta);           
    }
  
};

function hideIOSFullscreenPanel(){   
    jQuery(".xxx-ios-fullscreen-message").css("display","none");
    jQuery(".xxx-ios-fullscreen-scroll").css("display","none");

    jQuery(".xxx-game-iframe-full").removeClass("xxx-game-iframe-iphone-se");
};

function buildIOSFullscreenPanel(){   
    var html = '';

    html += '<div class="xxx-ios-fullscreen-message">';
        html += '<div class="xxx-ios-fullscreen-swipe">';
        html += '</div>';    
    html += '</div>';

    html += '<div class="xxx-ios-fullscreen-scroll">';
    html += '</div>';    

    jQuery("body").append(html);    
};

function showIOSFullscreenPanel(){   
    jQuery(".xxx-ios-fullscreen-message").css("display","block");
    jQuery(".xxx-ios-fullscreen-scroll").css("display","block");
};

function __iosResize(){

    window.scrollTo(0, 0);

    if( platform.product === "iPhone" ){

        switch(window.devicePixelRatio){
            case 2:{
                switch(window.innerWidth){
                    case 568:{
                        //console.log("landscape");    
                        //console.log("iPhone 5/5s/5c/se"); 

                        if( window.innerHeight === 320 ){
                            //console.log("fullscreen");   
                            //this.hideIOSFullscreenPanel();
                        }else{                         
                            jQuery(".xxx-game-iframe-full").addClass("xxx-game-iframe-iphone-se");
                            //console.log("windowed"); 
                           // this.showIOSFullscreenPanel();
                        } 
                    }break;
                    case 667:{
                        //console.log("landscape");    
                        //console.log("iPhone 6/6s/7/8"); 

                        if( window.innerHeight === 375 ){
                          //  console.log("fullscreen");   
                            hideIOSFullscreenPanel();
                        }else{
                            //console.log("windowed"); 
                            showIOSFullscreenPanel();
                        }                      
                    }break;
                    default:{
                        hideIOSFullscreenPanel();
                    }
                }
            }break;
            case 3:{
                switch(window.innerWidth){
                    case 736:{
                        //console.log("landscape");    
                        //console.log("iPhone 6/6s/7/8 plus");    

                        if( window.innerHeight === 414 ){
                          //  console.log("fullscreen");   
                            hideIOSFullscreenPanel();
                        }else{
                            showIOSFullscreenPanel();
                        }                            
                    }break;
                    // iphone X
                    case 724:{
                      //  console.log("landscape");    
                      //  console.log("iPhone X"); 

                        if( window.innerHeight === 375 ){
                            hideIOSFullscreenPanel();
                        }else{
                            showIOSFullscreenPanel();
                        }                          
                    }break;      
                    default:{
                        hideIOSFullscreenPanel();
                    }                
                }                    
            }break;
            default:{
                hideIOSFullscreenPanel();
            }            
        }
    }   
};

function iosResize(){
    __iosResize();

    setTimeout(function(){
        __iosResize();
    },500);
};
    
    
    
$(document).ready(function () {
    if(platform && platform.product === "iPhone" && platform.name === "Safari"){
        buildIOSFullscreenPanel();
        buildIOSMeta();     
    } 
});

jQuery(window).resize(function() {
    if(platform && platform.product === "iPhone" && platform.name === "Safari"){
        iosResize();   
    }        
});