What could be the reason for the Mootools Multibox images displaying scrollbars when initially viewed?

We have implemented the Mootools Multibox plugin to showcase our images.

Upon the initial viewing in Chrome and Safari, we noticed that the images are zoomed in and display with scrollbars. However, upon refreshing the page, the images render correctly without any scrollbars.

What could be causing this behavior?

Is there a way to ensure that the images are displayed at their correct sizes when first viewed on Chrome and Safari?

Answer №1

Within the following block of code:

showContent: function(){
    this.box.removeClass('MultiBoxLoading');
    this.removeContent();
    this.contentContainer = new Element('div', {
        'id': 'MultiBoxContentContainer',
        'styles': {
            opacity: 0,
            width: this.contentObj.width,
            height: (Number(this.contentObj.height)+this.contentObj.xH)
        }
    }).inject(this.box,'inside');

The script sets the width of the content box directly to contentObj.width, which works well if the browser has the image cached; however, it may not work as expected otherwise.

Asset.js is used to load an image in the following segment:

load: function(element){
    this.box.addClass('MultiBoxLoading');
    this.getContent(element);
    if(this.type == 'image'){
        var xH = this.contentObj.xH;
        this.contentObj = new Asset.image(element.href,{onload:this.resize.bind(this)});
        this.contentObj.xH = xH;
    }else{
        this.resize();
    };
},

The issue arises because the browser only determines the actual width and height of the image after the onload event fires. Although the image object is returned early into contentObj, it might be best to delay this until after onload triggers. The onload event should handle injecting the image into the container and setting its dimensions instead of calling this.resize(image) immediately.

This insight could guide potential refactoring efforts for optimizing the class functionality.

ADDITIONALLY: var xH = this.contentObj.xH; and this.contentObj.xH = xH; -> storing additional elements directly within the object? This method predates mootools 1.2, which introduced closure-based UID-specific storage per element. Such practice can lead to inefficiencies in IE, memory leaks, etc. It's recommended to refactor by utilizing

this.contentObj.store("xH", something)
and this.contentObj.retrieve("xH") to retrieve the stored data.

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