aboutsummaryrefslogtreecommitdiffstats
path: root/vendor/desandro/imagesloaded/sandbox/progress
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/desandro/imagesloaded/sandbox/progress')
-rw-r--r--vendor/desandro/imagesloaded/sandbox/progress/index.html89
-rw-r--r--vendor/desandro/imagesloaded/sandbox/progress/progress.js111
2 files changed, 200 insertions, 0 deletions
diff --git a/vendor/desandro/imagesloaded/sandbox/progress/index.html b/vendor/desandro/imagesloaded/sandbox/progress/index.html
new file mode 100644
index 000000000..b01ce28c5
--- /dev/null
+++ b/vendor/desandro/imagesloaded/sandbox/progress/index.html
@@ -0,0 +1,89 @@
+<!doctype html>
+<html>
+<head>
+ <meta charset="utf-8" />
+ <meta name="viewport" content="width=device-width" />
+
+ <title>progress</title>
+
+ <style>
+ #image-container img {
+ max-height: 140px;
+ }
+
+ li {
+ height: 140px;
+ min-width: 100px;
+ display: block;
+ float: left;
+ list-style: none;
+ margin: 0 5px 5px 0;
+ background-color: black;
+ background-position: center center;
+ background-repeat: no-repeat;
+ }
+
+ li img,
+ #status {
+ -webkit-transition: opacity 0.4s;
+ -moz-transition: opacity 0.4s;
+ -ms-transition: opacity 0.4s;
+ transition: opacity 0.4s;
+ }
+
+ li.is-loading {
+ background-color: black;
+ background-image: url('http://desandro.github.io/imagesloaded/assets/loading.gif');
+ }
+
+ li.is-broken {
+ background-image: url('http://desandro.github.io/imagesloaded/assets/broken.png');
+ background-color: #be3730;
+ width: 120px;
+ }
+
+ li.is-loading img,
+ li.is-broken img {
+ opacity: 0;
+ }
+
+ .buttons { margin-bottom: 1.0em; }
+
+ button {
+ font-size: 18px;
+ padding: 0.4em 0.8em;
+ font-family: sans-serif;
+ }
+
+ #status {
+ opacity: 0;
+ position: fixed;
+ right: 20px;
+ top: 20px;
+ background: hsla( 0, 0%, 0%, 0.8);
+ padding: 20px;
+ border-radius: 10px;
+ z-index: 2; /* over other stuff */
+ }
+ </style>
+
+</head>
+<body>
+
+ <h1>progress</h1>
+
+ <div class="buttons">
+ <button id="add">Add images</button>
+ <button id="reset">Reset</button>
+ </div>
+ <div id="status">
+ <progress max="7" value="0"></progress>
+ </div>
+ <div id="image-container"></div>
+
+<script src="../../bower_components/ev-emitter/ev-emitter.js"></script>
+<script src="../../imagesloaded.js"></script>
+<script src="progress.js"></script>
+
+</body>
+</html>
diff --git a/vendor/desandro/imagesloaded/sandbox/progress/progress.js b/vendor/desandro/imagesloaded/sandbox/progress/progress.js
new file mode 100644
index 000000000..7c00003f5
--- /dev/null
+++ b/vendor/desandro/imagesloaded/sandbox/progress/progress.js
@@ -0,0 +1,111 @@
+/* jshint strict: false */
+
+var progressElem, statusElem;
+var supportsProgress;
+var loadedImageCount, imageCount;
+
+var container = document.querySelector('#image-container');
+statusElem = document.querySelector('#status');
+progressElem = document.querySelector('progress');
+
+supportsProgress = progressElem &&
+ // IE does not support progress
+ progressElem.toString().indexOf('Unknown') === -1;
+
+document.querySelector('#add').onclick = function() {
+ // add new images
+ var fragment = getItemsFragment();
+ container.insertBefore( fragment, container.firstChild );
+ // use ImagesLoaded
+ var imgLoad = imagesLoaded( container );
+ imgLoad.on( 'progress', onProgress );
+ imgLoad.on( 'always', onAlways );
+ // reset progress counter
+ imageCount = imgLoad.images.length;
+ resetProgress();
+ updateProgress( 0 );
+};
+
+// reset container
+document.querySelector('#reset').onclick = function() {
+ empty( container );
+};
+
+// ----- set text helper ----- //
+
+var docElem = document.documentElement;
+var textSetter = docElem.textContent !== undefined ? 'textContent' : 'innerText';
+
+function setText( elem, value ) {
+ elem[ textSetter ] = value;
+}
+
+function empty( elem ) {
+ while ( elem.firstChild ) {
+ elem.removeChild( elem.firstChild );
+ }
+}
+
+// ----- ----- //
+
+// return doc fragment with
+function getItemsFragment() {
+ var fragment = document.createDocumentFragment();
+ for ( var i = 0; i < 7; i++ ) {
+ var item = getImageItem();
+ fragment.appendChild( item );
+ }
+ return fragment;
+}
+
+// return an <li> with a <img> in it
+function getImageItem() {
+ var item = document.createElement('li');
+ item.className = 'is-loading';
+ var img = document.createElement('img');
+ var size = Math.random() * 3 + 1;
+ var width = Math.random() * 110 + 100;
+ width = Math.round( width * size );
+ var height = Math.round( 140 * size );
+ var rando = Math.ceil( Math.random() * 1000 );
+ // 10% chance of broken image src
+ // random parameter to prevent cached images
+ img.src = rando < 100 ? '//foo/broken-' + rando + '.jpg' :
+ // use picsum for great random images
+ 'https://picsum.photos/' + width + '/' + height + '/' + '?random';
+ item.appendChild( img );
+ return item;
+}
+
+// ----- ----- //
+
+function resetProgress() {
+ statusElem.style.opacity = 1;
+ loadedImageCount = 0;
+ if ( supportsProgress ) {
+ progressElem.setAttribute( 'max', imageCount );
+ }
+}
+
+function updateProgress( value ) {
+ if ( supportsProgress ) {
+ progressElem.setAttribute( 'value', value );
+ } else {
+ // if you don't support progress elem
+ setText( statusElem, value + ' / ' + imageCount );
+ }
+}
+
+// triggered after each item is loaded
+function onProgress( imgLoad, image ) {
+ // change class if the image is loaded or broken
+ image.img.parentNode.className = image.isLoaded ? '' : 'is-broken';
+ // update progress element
+ loadedImageCount++;
+ updateProgress( loadedImageCount );
+}
+
+// hide status when done
+function onAlways() {
+ statusElem.style.opacity = 0;
+}