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Adding keyframe animation support #102

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Adding keyframe animation support #102

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159 changes: 159 additions & 0 deletions jquery.transit.js
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,10 @@
support.transformOrigin = getVendorPropertyName('transformOrigin');
support.transform3d = checkTransform3dSupport();

// Check for browser's animation support.
support.animation = getVendorPropertyName('animation');
support.animationPlayState = getVendorPropertyName('animationPlayState');

var eventNames = {
'transition': 'transitionEnd',
'MozTransition': 'transitionend',
Expand All @@ -79,6 +83,17 @@
// Detect the 'transitionend' event needed.
var transitionEnd = support.transitionEnd = eventNames[support.transition] || null;

var animationEndEvents = {
'animation': 'animationend',
'MozAnimation': 'animationend',
'oAnimation': 'oanimationend',
'WebkitAnimation': 'webkitAnimationEnd',
'msAnimation': 'MSAnimationEnd'
}

// Detect the 'animationend' event needed.
var animationEnd = support.animationEnd = animationEndEvents[support.animation] || null;

// Populate jQuery's `$.support` with the vendor prefixes we know.
// As per [jQuery's cssHooks documentation](http://api.jquery.com/jQuery.cssHooks/),
// we set $.support.transition to a string of the actual property name used.
Expand Down Expand Up @@ -200,6 +215,34 @@
elem.style[support.transition] = value;
}
};

// ## 'animation' CSS hook
// Allows you to use the `animation` property in CSS.
//
// $("#hello").css({ animation: 'bounce-in 1s ease-in' });
//
$.cssHooks.animation = {
get: function(elem) {
return elem.style[support.animation];
},
set: function(elem, value) {
elem.style[support.animation] = value;
}
};

// ## 'animationPlayState CSS hook
// Allows you to use the `animationPlayState` property in CSS.
//
// $("#hello").css({ animationPlayState: 'paused' });
//
$.cssHooks.animationPlayState = {
get: function(elem) {
return elem.style[support.animationPlayState];
},
set: function(elem, value) {
elem.style[support.animationPlayState] = value;
}
};
}

// ## Other CSS hooks
Expand Down Expand Up @@ -631,6 +674,122 @@
return this;
};

// ## $.fn.playKeyframe
// Play a CSS3 keyframe-based animation. Only the name property is mandatory, everything else
// is optional and will default to reasonable values.
//
// $("...").playKeyframe({ name: 'bounce-in' });
//
// // Specific duration
// $("...").playKeyframe({ name: 'bounce-in', duration: 1000 });
//
// // With all settings
// $("...").playKeyframe({ name: 'bounce-in', duration: 1000,
// delay: 2000, repeat: 2, easing: 'ease-in' });
//
// // With callback
// $("...").playKeyframe({ name: 'bounce-in' }, function() { ... });
//
// // Alternate syntax
// $("...").playKeyframe({
// name: 'bounce-in'
// duration: 1000,
// delay: 2000,
// repeat: 2,
// easing: 'ease-in',
// complete: function() { /* ... */ }
// });
//
$.fn.playKeyframe = function(properties, callback) {

var self = this;

// Set some default properties.
properties = $.extend({
duration: $.fx.speeds._default,
easing: $.cssEase._default,
delay: 0,
repeat: 1, // May be an int or 'infinite'
direction: 'normal',
fillMode: 'none'
}, properties || {});

if (!properties.name) throw("Name required")

// Alternate syntax.
if (typeof properties.complete !== 'undefined') {
callback = properties.complete;
delete properties.complete;
}

properties.duration = toMS(properties.duration);
properties.delay = toMS(properties.delay);

// Build the CSS line
var animationCSS = [properties.name, properties.duration, properties.easing, properties.delay,
properties.repeat, properties.direction, properties.fillMode].join(' ');

// Prepare the callback
var cb = function() {
if (typeof callback === 'function') { callback.apply(self); }
self.data('keyframe', false);
self.css({animationPlayState: '', animation: ''});
};

// We'll assume animationEnd is available since it should be on all browsers
// which support keyframe animations.
self.one(support.animationEnd, cb);

self.css({animationPlayState: 'running'});
self.data('keyframe', properties.name);
self.css({animation: animationCSS})

// Chainability.
return this;
}

// ### pauseKeyframe()
// Pauses a currently running keyframe animation.
//
// Example:
//
// $("#foo").pauseKeyframe();
//
$.fn.pauseKeyframe = function() {
this.css({animationPlayState: 'paused'});

// Chainability.
return this;
}

// ### resumeKeyframe()
// Resumes a currently paused keyframe animation.
//
// Example:
//
// $("#foo").resumeKeyframe();
//
$.fn.resumeKeyframe = function() {
this.css({animationPlayState: 'running'});

// Chainability.
return this;
}

// ### resetKeyframe()
// Stops and removes any keyframe animations from the specified element. This will also
// clear any callbacks presently waiting for the animation to end.
//
// Example:
//
// $("#foo").resetKeyframe();
//
$.fn.resetKeyframe = function() {
this.css({animationPlayState: 'running', animation: 'none'});
this.data('keyframe', false);
this.unbind(support.animationEnd);
}

function registerCssHook(prop, isPixels) {
// For certain properties, the 'px' should not be implied.
if (!isPixels) { $.cssNumber[prop] = true; }
Expand Down