93 lines
2.4 KiB
JavaScript
Executable File
93 lines
2.4 KiB
JavaScript
Executable File
(function() {
|
|
var url = document.location,
|
|
linkScreen = document.querySelector('link[title=screen]'),
|
|
linkProjection = document.querySelector('link[title=projection]'),
|
|
shower = document.querySelector('div.shower'),
|
|
slides = document.querySelectorAll('section.slide'),
|
|
slideList = [], hashList = {},
|
|
progress = document.querySelector('div.progress div'),
|
|
fullscreen = false;
|
|
|
|
for(var i = 0, slidesLength = slides.length; i < slidesLength; i++) {
|
|
var id = slides[i].id;
|
|
slideList[i] = '#' + id;
|
|
hashList['#' + id] = i;
|
|
}
|
|
|
|
function toggleFull(force) {
|
|
fullscreen = (typeof force == 'boolean') ? force : (
|
|
window.fullScreen || // Firefox
|
|
document.webkitFullScreen || // Webkit
|
|
screen.width == window.outerWidth && screen.height == window.outerHeight
|
|
);
|
|
updateView();
|
|
updateProgress();
|
|
}
|
|
|
|
function turnSlide(e) {
|
|
if(!fullscreen) return;
|
|
var current = hashList[url.hash],
|
|
target;
|
|
if(e == null) {
|
|
target = slideList[current++];
|
|
} else if(e.type == 'keyup') { // Key-Based
|
|
switch(e.which) {
|
|
case 33 : // PgUp
|
|
case 38 : // Up
|
|
case 37 : // Left
|
|
current--;
|
|
break;
|
|
case 34 : // PgDown
|
|
case 40 : // Down
|
|
case 39 : // Right
|
|
current++;
|
|
break;
|
|
case 36 : // Home
|
|
current = 0;
|
|
break;
|
|
case 35 : // End
|
|
current = slideList.length-1;
|
|
break;
|
|
case 32 : // Space
|
|
current += e.shiftKey ? -1 : 1;
|
|
break;
|
|
}
|
|
target = slideList[current];
|
|
e.preventDefault();
|
|
} else { // Specific
|
|
target = slideList[+e || 0];
|
|
}
|
|
if(target) url.hash = target;
|
|
updateProgress();
|
|
}
|
|
|
|
function updateView() {
|
|
linkScreen.disabled = fullscreen;
|
|
linkProjection.disabled = !fullscreen;
|
|
if (fullscreen) {
|
|
linkScreen.setAttribute('disabled', 'disabled');
|
|
linkProjection.removeAttribute('disabled');
|
|
} else {
|
|
linkScreen.removeAttribute('disabled');
|
|
linkProjection.setAttribute('disabled', 'disabled');
|
|
}
|
|
if(!hashList[url.hash]) turnSlide(0);
|
|
}
|
|
|
|
function updateProgress() {
|
|
if(!progress) return;
|
|
progress.style.width = (100/(slideList.length-1) * hashList[url.hash]).toFixed(2) + '%';
|
|
}
|
|
|
|
slides[0].addEventListener('click', function(){
|
|
toggleFull(true);
|
|
}, false);
|
|
|
|
document.addEventListener('keyup', turnSlide, false);
|
|
document.addEventListener('keyup', function(e) {
|
|
if(e.which == 27) toggleFull(false);
|
|
}, false);
|
|
|
|
window.addEventListener('resize', toggleFull, false);
|
|
window.addEventListener('DOMContentLoaded', toggleFull, false);
|
|
})(); |