1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171
| var GifLinks = (function() {
'use strict';
var body;
var container;
/* -------------------------
/* UTILS
/* -------------------------*/
// Soft object augmentation
function extend( target, source ) {
for ( var key in source ) {
if ( !( key in target ) ) {
target[ key ] = source[ key ];
}
}
return target;
}
// Applys a dict of css properties to an element
function applyProperties( target, properties ) {
for( var key in properties ) {
target.style[ key ] = properties[ key ];
}
}
/* -------------------------
/* App
/* -------------------------*/
// Initialize
function init( elements, preload ) {
if ( elements.length ) {
// Loop and assign
for( var i = 0; i < elements.length; i++ ) {
if ( preload === true ) {
preloadAndTrack( elements[ i ] );
} else {
track( elements[ i ] );
}
}
} else {
if ( preload === true ) {
preloadAndTrack( elements );
} else {
track( elements );
}
}
}
// Start tracking after preload
function preloadAndTrack( element ) {
var awesomeGif = element.getAttribute( 'data-src' );
if ( awesomeGif ) {
// Load the video
var video = new Video();
video.onload = function() {
element.className += ' preloaded'
track( element )
}
video.src = awesomeGif;
}
}
// Start tracking mouse hovers
function track( element ) {
// "Party on Wayne" ~ "Party on Garth"
element.addEventListener( 'mouseover', function() { startPartying( this ); }, false );
element.addEventListener( 'touchstart', function() { startPartying( this ); }, false);
// Someone called the cops.
element.addEventListener( 'mouseout', function() { stopPartying(); }, false);
element.addEventListener( 'touchmove', function( event ) { event.preventDefault(); stopPartying(); }, false);
element.addEventListener( 'click', function() { stopPartying(); }, false);
element.addEventListener( 'dblclick', function() { stopPartying(); }, false);
addClasses( element );
}
// Adds classes to do with giflink status (has link etc)
function addClasses( element ) {
element.className += ' giflink ready';
if ( element.href ) {
element.className += ' has-link';
} else {
element.className += ' no-link';
}
}
// Create and cache the gif container.
function createContainer() {
var containerProperties = {
'backgroundPosition': '50% 50%',
'backgroundSize': 'cover',
'pointerEvents': 'none',
'position': 'fixed',
'display': 'none',
'height': '100%',
'width': '100%',
'z-index': '1',
'margin': '0px',
'left': '0px',
'top': '0px',
}
container = document.createElement( 'div' );
applyProperties( container, containerProperties );
body.appendChild( container );
}
// Add the background to the container, and the container to the page!
function startPartying( element ) {
var awesomeGif = element.getAttribute( 'data-src' );
if( awesomeGif ) {
container.style[ 'backgroundImage' ] = 'url(' + awesomeGif + ')';
container.style[ 'display' ] = 'block';
} else {
console.log( "Sorry, an element doesn't have a data-src!" );
}
}
// Hide the container
function stopPartying() {
container.style[ 'display' ] = 'none';
container.style[ 'backgroundImage' ] = '';
}
function main( elements, options ) {
// Caching
body = document.body;
createContainer();
var preload = false;
if ( options && options.preload ) {
preload = !!options.preload;
}
// Initialize giflinks
init( elements, preload );
}
return extend( main, {
});
})();
var elements = document.querySelectorAll( 'article a' );
GifLinks( elements ); |
Partager