"goto now accepts duration parameter"

This commit is contained in:
Bartek Szopka
2012-03-14 22:53:17 +00:00
parent 9d99c03392
commit b0c5644b47
3 changed files with 21 additions and 14 deletions

View File

@@ -365,10 +365,10 @@
return (step && step.id && stepsData["impress-" + step.id]) ? step : null;
};
var goto = function ( el, force ) {
var goto = function ( el, duration ) {
if ( !initialized || !(el = getStep(el)) || (el === activeStep && !force) ) {
// selected element is not defined as step or is already active
if ( !initialized || !(el = getStep(el)) ) {
// presentation not initialized or given element is not a step
return false;
}
@@ -409,12 +409,10 @@
// check if the transition is zooming in or not
var zoomin = target.scale >= currentState.scale;
// if presentation starts (nothing is active yet)
// don't animate (set duration to 0)
var duration = (activeStep) ? config.transitionDuration : 0,
delay = (config.transitionDuration / 2);
duration = toNumber(duration, config.transitionDuration);
var delay = (duration / 2);
if (force) {
if (el === activeStep) {
windowScale = computeWindowScale(config);
}
@@ -486,6 +484,8 @@
root.addEventListener("impress-init", function(){
// HASH CHANGE
var lastHash = "";
// `#/step-id` is used instead of `#step-id` to prevent default browser
// scrolling to element in hash
//
@@ -493,16 +493,19 @@
// causes transtion being laggy
// BUG: http://code.google.com/p/chromium/issues/detail?id=62820
root.addEventListener("impress-step-enter", function (event) {
window.location.hash = "#/" + event.target.id;
window.location.hash = lastHash = "#/" + event.target.id;
}, false);
window.addEventListener("hashchange", function () {
goto( getElementFromUrl() );
// don't go twice to same element
if (window.location.hash !== lastHash) {
goto( getElementFromUrl() );
}
}, false);
// START
// by selecting step defined in url or first step of the presentation
goto(getElementFromUrl() || steps[0]);
goto(getElementFromUrl() || steps[0], 0);
}, false);
body.classList.add("impress-disabled");
@@ -633,7 +636,7 @@
// rescale presentation when window is resized
window.addEventListener("resize", throttle(function () {
// force going to active step again, to trigger rescaling
api.goto( document.querySelector(".active"), true );
api.goto( document.querySelector(".active"), 500 );
}, 250), false);
}, false);