[Appgyver Steroids] stocker toutes les images en local

steroids.on('ready', function()
{
    var basePath = steroids.app.absoluteUserFilesPath;
    function cacheImage(obj,type)
    {
        if ($(obj).hasClass('cacheImage_cached'))
            return false;
        if (type=='src')
        {
            var url = $(obj).attr('src').split('?')[0].split('#')[0].replace(/^[^a-z\d]*|[^a-z\d]*$/gi,'');
        }
        else if (type=='background')
        {
            var css = $(obj).css('background-image');
            var url = css.replace('url(','').replace(')','').split('?')[0].split('#')[0].replace(/^[^a-z\d]*|[^a-z\d]*$/gi,'');
        }
        var filename = url.split('/')[url.split('/').length-1];
        var ext = filename.split('.')[filename.split('.').length-1];
        if (localStorage['cacheImage:'+url] && $(obj).attr('src') && $(obj).attr('src').substr(0,13)!='/cacheImages/')
        {
            if (type=='src')
                $(obj).attr('src',localStorage['cacheImage:'+url]);
            else if (type=='background')
                $(obj).css({'background-image':'url('+localStorage['cacheImage:'+url]+')'});
            /***///$('body').append('<div style="margin:10px;padding:10px;background:white;border:5px solid green;">cacheImages: setting local image type '+type+': '+localStorage['cacheImage:'+url]+'</div>');
        }
        if (!   ['cacheImage:'+url] && !$(obj).hasClass('cacheImage_cached') && (url.substring(0,4)=='http' || url.substring(0,4)=='locahost') && (ext.toLowerCase()=='jpg' || ext.toLowerCase()=='jpeg' || ext.toLowerCase()=='png'))
        {
            var fileTransfer = new FileTransfer();
            var uri = encodeURI(url);
            fileTransfer.download(
                uri,
                basePath+'/cacheImages/'+filename,
                function(entry)
                {
                    /**/console.log('cacheImages: download complete: '+entry.name);
                    /***///$('body').append('<div style="margin:10px;padding:10px;background:white;border:5px solid orange;">cacheImages: download complete: '+entry.name+'</div>');
                    sessionStorage['cacheImage:'+url] = 'stored';
                    localStorage['cacheImage:'+url] = '/cacheImages/'+entry.name;
                },
                function(error)
                {
                    /**/console.log('cacheImages: download error source ' + error.source + '; download error target ' + error.target + '; upload error code' + error.code);
                    /***///$('body').append('<div style="margin:10px;padding:10px;background:white;border:5px solid orange;">cacheImages: download error source ' + error.source + '; download error target ' + error.target + '; upload error code' + error.code+'</div>');
                },
                false
            );
            $(obj).addClass('cacheImage_cached');
        }
    }
    function cacheImages()
    {
        $('img').each(function()
        {
            if (!$(this).hasClass('cacheImage_cached') && $(this).attr('src'))
                cacheImage(this,'src');
        });
        $('*').each(function()
        {
            if (!$(this).hasClass('cacheImage_cached') && $(this).css('background-image')!='none')
                cacheImage(this,'background');
        });
    }
    setInterval(cacheImages,1000);
});