' +
'' +
'
'
};
Popover.prototype.init = function() {
var me = this;
var $element = this.$element;
var $popover;
if (!this.options.target) {
this.$popover = this.getPopover();
this.setContent();
}
$popover = this.$popover;
$popover.appendTo($('body'));
this.sizePopover();
function sizePopover() {
me.sizePopover();
}
// TODO: 监听页面内容变化，重新调整位置
$element.on('open.popover.amui', function() {
$(window).on('resize.popover.amui', UI.utils.debounce(
sizePopover, 50));
});
$element.on('close.popover.amui', function() {
$(window).off('resize.popover.amui', sizePopover);
});
this.options.open && this.open();
};
Popover.prototype.sizePopover = function sizePopover() {
var $element = this.$element;
var $popover = this.$popover;
if (!$popover || !$popover.length) {
return;
}
var popWidth = $popover.outerWidth();
var popHeight = $popover.outerHeight();
var $popCaret = $popover.find('.am-popover-caret');
var popCaretSize = ($popCaret.outerWidth() / 2) || 8;
// 取不到 $popCaret.outerHeight() 的值，所以直接加 8
var popTotalHeight = popHeight + 8; // $popCaret.outerHeight();
var triggerWidth = $element.outerWidth();
var triggerHeight = $element.outerHeight();
var triggerOffset = $element.offset();
var triggerRect = $element[0].getBoundingClientRect();
var winHeight = $w.height();
var winWidth = $w.width();
var popTop = 0;
var popLeft = 0;
var diff = 0;
var spacing = 2;
var popPosition = 'top';
$popover.css({
left: '',
top: ''
}).removeClass('am-popover-left ' +
'am-popover-right am-popover-top am-popover-bottom');
$popCaret.css({
left: '',
top: ''
});
if (popTotalHeight - spacing < triggerRect.top + spacing) {
// Popover on the top of trigger
popTop = triggerOffset.top - popTotalHeight - spacing;
} else if (popTotalHeight <
winHeight - triggerRect.top - triggerRect.height) {
// On bottom
popPosition = 'bottom';
popTop = triggerOffset.top + triggerHeight + popCaretSize +
spacing;
} else { // On middle
popPosition = 'middle';
popTop = triggerHeight / 2 + triggerOffset.top - popHeight / 2;
}
// Horizontal Position
if (popPosition === 'top' || popPosition === 'bottom') {
popLeft = triggerWidth / 2 + triggerOffset.left - popWidth / 2;
diff = popLeft;
if (popLeft < 5) {
popLeft = 5;
}
if (popLeft + popWidth > winWidth) {
popLeft = (winWidth - popWidth - 20);
// console.log('left %d, win %d, popw %d', popLeft, winWidth, popWidth);
}
if (popPosition === 'top') {
// This is the Popover position, NOT caret position
// Popover on the Top of trigger, caret on the bottom of Popover
$popover.addClass('am-popover-top');
}
if (popPosition === 'bottom') {
$popover.addClass('am-popover-bottom');
}
diff = diff - popLeft;
$popCaret.css({
left: (popWidth / 2 - popCaretSize + diff) + 'px'
});
} else if (popPosition === 'middle') {
popLeft = triggerOffset.left - popWidth - popCaretSize;
$popover.addClass('am-popover-left');
if (popLeft < 5) {
popLeft = triggerOffset.left + triggerWidth + popCaretSize;
$popover.removeClass('am-popover-left').addClass(
'am-popover-right');
}
if (popLeft + popWidth > winWidth) {
popLeft = winWidth - popWidth - 5;
$popover.removeClass('am-popover-left').addClass(
'am-popover-right');
}
$popCaret.css({
top: (popHeight / 2 - popCaretSize / 2) + 'px'
});
}
// Apply position style
$popover.css({
top: popTop + 'px',
left: popLeft + 'px'
});
};
Popover.prototype.toggle = function() {
return this[this.active ? 'close' : 'open']();
};
Popover.prototype.open = function() {
var $popover = this.$popover;
this.$element.trigger('open.popover.amui');
this.sizePopover();
$popover.show().addClass('am-active');
this.active = true;
};
Popover.prototype.close = function() {
var $popover = this.$popover;
this.$element.trigger('close.popover.amui');
$popover.
removeClass('am-active').
trigger('closed.popover.amui').
hide();
this.active = false;
};
Popover.prototype.getPopover = function() {
var uid = UI.utils.generateGUID('am-popover');
var theme = [];
if (this.options.theme) {
$.each(this.options.theme.split(','), function(i, item) {
theme.push('am-popover-' + $.trim(item));
});
}
return $(this.options.tpl).attr('id', uid).addClass(theme.join(
' '));
};
Popover.prototype.setContent = function(content) {
content = content || this.options.content;
this.$popover && this.$popover.find('.am-popover-inner').empty().
html(content);
};
Popover.prototype.events = function() {
var eventNS = 'popover.amui';
var triggers = this.options.trigger.split(' ');
for (var i = triggers.length; i--;) {
var trigger = triggers[i];
if (trigger === 'click') {
this.$element.on('click.' + eventNS, $.proxy(this.toggle,
this));
} else { // hover or focus
var eventIn = trigger == 'hover' ? 'mouseenter' : 'focusin';
var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout';
this.$element.on(eventIn + '.' + eventNS, $.proxy(this.open,
this));
this.$element.on(eventOut + '.' + eventNS, $.proxy(this.close,
this));
}
}
};
function Plugin(option) {
return this.each(function() {
var $this = $(this);
var data = $this.data('amui.popover');
var options = $.extend({},
UI.utils.parseOptions($this.attr('data-am-popover')),
typeof option == 'object' && option);
if (!data) {
$this.data('amui.popover', (data = new Popover(this,
options)));
}
if (typeof option == 'string') {
data[option] && data[option]();
}
});
}
$.fn.popover = Plugin;
// Init code
UI.ready(function(context) {
$('[data-am-popover]', context).popover();
});
$.AMUI.popover = Popover;
module.exports = Popover;
}).call(this, typeof global !== "undefined" ? global : typeof self !==
"undefined" ? self : typeof window !== "undefined" ? window : {})
}, {
"./core": 2
}
],
12: [
function(require, module, exports) {
(function(global) {
'use strict';
var $ = (typeof window !== "undefined" ? window.jQuery : typeof global !==
"undefined" ? global.jQuery : null);
var UI = require('./core');
var Progress = (function() {
/**
* NProgress (c) 2013, Rico Sta. Cruz
* @via http://ricostacruz.com/nprogress
*/
var NProgress = {};
var $html = $('html');
NProgress.version = '0.1.6';
var Settings = NProgress.settings = {
minimum: 0.08,
easing: 'ease',
positionUsing: '',
speed: 200,
trickle: true,
trickleRate: 0.02,
trickleSpeed: 800,
showSpinner: true,
parent: 'body',
barSelector: '[role="nprogress-bar"]',
spinnerSelector: '[role="nprogress-spinner"]',
template: '' +
'' +
'
'
};
/**
* Updates configuration.
*
* NProgress.configure({
* minimum: 0.1
* });
*/
NProgress.configure = function(options) {
var key, value;
for (key in options) {
value = options[key];
if (value !== undefined && options.hasOwnProperty(key))
Settings[key] = value;
}
return this;
};
/**
* Last number.
*/
NProgress.status = null;
/**
* Sets the progress bar status, where `n` is a number from `0.0` to `1.0`.
*
* NProgress.set(0.4);
* NProgress.set(1.0);
*/
NProgress.set = function(n) {
var started = NProgress.isStarted();
n = clamp(n, Settings.minimum, 1);
NProgress.status = (n === 1 ? null : n);
var progress = NProgress.render(!started),
bar = progress.querySelector(Settings.barSelector),
speed = Settings.speed,
ease = Settings.easing;
progress.offsetWidth;
/* Repaint */
queue(function(next) {
// Set positionUsing if it hasn't already been set
if (Settings.positionUsing === '') Settings.positionUsing =
NProgress.getPositioningCSS();
// Add transition
css(bar, barPositionCSS(n, speed, ease));
if (n === 1) {
// Fade out
css(progress, {
transition: 'none',
opacity: 1
});
progress.offsetWidth;
/* Repaint */
setTimeout(function() {
css(progress, {
transition: 'all ' + speed + 'ms linear',
opacity: 0
});
setTimeout(function() {
NProgress.remove();
next();
}, speed);
}, speed);
} else {
setTimeout(next, speed);
}
});
return this;
};
NProgress.isStarted = function() {
return typeof NProgress.status === 'number';
};
/**
* Shows the progress bar.
* This is the same as setting the status to 0%, except that it doesn't go backwards.
*
* NProgress.start();
*
*/
NProgress.start = function() {
if (!NProgress.status) NProgress.set(0);
var work = function() {
setTimeout(function() {
if (!NProgress.status) return;
NProgress.trickle();
work();
}, Settings.trickleSpeed);
};
if (Settings.trickle) work();
return this;
};
/**
* Hides the progress bar.
* This is the *sort of* the same as setting the status to 100%, with the
* difference being `done()` makes some placebo effect of some realistic motion.
*
* NProgress.done();
*
* If `true` is passed, it will show the progress bar even if its hidden.
*
* NProgress.done(true);
*/
NProgress.done = function(force) {
if (!force && !NProgress.status) return this;
return NProgress.inc(0.3 + 0.5 * Math.random()).set(1);
};
/**
* Increments by a random amount.
*/
NProgress.inc = function(amount) {
var n = NProgress.status;
if (!n) {
return NProgress.start();
} else {
if (typeof amount !== 'number') {
amount = (1 - n) * clamp(Math.random() * n, 0.1, 0.95);
}
n = clamp(n + amount, 0, 0.994);
return NProgress.set(n);
}
};
NProgress.trickle = function() {
return NProgress.inc(Math.random() * Settings.trickleRate);
};
/**
* (Internal) renders the progress bar markup based on the `template`
* setting.
*/
NProgress.render = function(fromStart) {
if (NProgress.isRendered()) return document.getElementById(
'nprogress');
$html.addClass('nprogress-busy');
var progress = document.createElement('div');
progress.id = 'nprogress';
progress.innerHTML = Settings.template;
var bar = progress.querySelector(Settings.barSelector),
perc = fromStart ? '-100' : toBarPerc(NProgress.status ||
0),
parent = document.querySelector(Settings.parent),
spinner;
css(bar, {
transition: 'all 0 linear',
transform: 'translate3d(' + perc + '%,0,0)'
});
if (!Settings.showSpinner) {
spinner = progress.querySelector(Settings.spinnerSelector);
spinner && $(spinner).remove();
}
if (parent != document.body) {
$(parent).addClass('nprogress-custom-parent');
}
parent.appendChild(progress);
return progress;
};
/**
* Removes the element. Opposite of render().
*/
NProgress.remove = function() {
$html.removeClass('nprogress-busy');
$(Settings.parent).removeClass('nprogress-custom-parent');
var progress = document.getElementById('nprogress');
progress && $(progress).remove();
};
/**
* Checks if the progress bar is rendered.
*/
NProgress.isRendered = function() {
return !!document.getElementById('nprogress');
};
/**
* Determine which positioning CSS rule to use.
*/
NProgress.getPositioningCSS = function() {
// Sniff on document.body.style
var bodyStyle = document.body.style;
// Sniff prefixes
var vendorPrefix = ('WebkitTransform' in bodyStyle) ?
'Webkit' :
('MozTransform' in bodyStyle) ? 'Moz' :
('msTransform' in bodyStyle) ? 'ms' :
('OTransform' in bodyStyle) ? 'O' : '';
if (vendorPrefix + 'Perspective' in bodyStyle) {
// Modern browsers with 3D support, e.g. Webkit, IE10
return 'translate3d';
} else if (vendorPrefix + 'Transform' in bodyStyle) {
// Browsers without 3D support, e.g. IE9
return 'translate';
} else {
// Browsers without translate() support, e.g. IE7-8
return 'margin';
}
};
/**
* Helpers
*/
function clamp(n, min, max) {
if (n < min) return min;
if (n > max) return max;
return n;
}
/**
* (Internal) converts a percentage (`0..1`) to a bar translateX
* percentage (`-100%..0%`).
*/
function toBarPerc(n) {
return (-1 + n) * 100;
}
/**
* (Internal) returns the correct CSS for changing the bar's
* position given an n percentage, and speed and ease from Settings
*/
function barPositionCSS(n, speed, ease) {
var barCSS;
if (Settings.positionUsing === 'translate3d') {
barCSS = {
transform: 'translate3d(' + toBarPerc(n) + '%,0,0)'
};
} else if (Settings.positionUsing === 'translate') {
barCSS = {
transform: 'translate(' + toBarPerc(n) + '%,0)'
};
} else {
barCSS = {
'margin-left': toBarPerc(n) + '%'
};
}
barCSS.transition = 'all ' + speed + 'ms ' + ease;
return barCSS;
}
/**
* (Internal) Queues a function to be executed.
*/
var queue = (function() {
var pending = [];
function next() {
var fn = pending.shift();
if (fn) {
fn(next);
}
}
return function(fn) {
pending.push(fn);
if (pending.length == 1) next();
};
})();
/**
* (Internal) Applies css properties to an element, similar to the jQuery
* css method.
*
* While this helper does assist with vendor prefixed property names, it
* does not perform any manipulation of values prior to setting styles.
*/
var css = (function() {
var cssPrefixes = ['Webkit', 'O', 'Moz', 'ms'],
cssProps = {};
function camelCase(string) {
return string.replace(/^-ms-/, 'ms-').replace(
/-([\da-z])/gi, function(match, letter) {
return letter.toUpperCase();
});
}
function getVendorProp(name) {
var style = document.body.style;
if (name in style) return name;
var i = cssPrefixes.length,
capName = name.charAt(0).toUpperCase() + name.slice(
1),
vendorName;
while (i--) {
vendorName = cssPrefixes[i] + capName;
if (vendorName in style) return vendorName;
}
return name;
}
function getStyleProp(name) {
name = camelCase(name);
return cssProps[name] || (cssProps[name] =
getVendorProp(name));
}
function applyCss(element, prop, value) {
prop = getStyleProp(prop);
element.style[prop] = value;
}
return function(element, properties) {
var args = arguments,
prop,
value;
if (args.length == 2) {
for (prop in properties) {
value = properties[prop];
if (value !== undefined && properties.hasOwnProperty(
prop)) applyCss(element, prop, value);
}
} else {
applyCss(element, args[1], args[2]);
}
}
})();
return NProgress;
})();
$.AMUI.progress = Progress;
module.exports = Progress;
}).call(this, typeof global !== "undefined" ? global : typeof self !==
"undefined" ? self : typeof window !== "undefined" ? window : {})
}, {
"./core": 2
}
],
13: [
function(require, module, exports) {
(function(global) {
'use strict';
var $ = (typeof window !== "undefined" ? window.jQuery : typeof global !==
"undefined" ? global.jQuery : null);
var UI = require('./core');
require('./ui.smooth-scroll');
/**
* @via https://github.com/uikit/uikit/
* @license https://github.com/uikit/uikit/blob/master/LICENSE.md
*/
// ScrollSpyNav Class
var ScrollSpyNav = function(element, options) {
this.options = $.extend({}, ScrollSpyNav.DEFAULTS, options);
this.$element = $(element);
this.anchors = [];
this.$links = this.$element.find('a[href^="#"]').each(function(
i, link) {
this.anchors.push($(link).attr('href'));
}.bind(this));
this.$targets = $(this.anchors.join(', '));
var processRAF = function() {
UI.utils.rAF.call(window, $.proxy(this.process, this));
}.bind(this);
this.$window = $(window).on('scroll.scrollspynav.amui',
processRAF)
.on(
'resize.scrollspynav.amui orientationchange.scrollspynav.amui',
UI.utils.debounce(processRAF, 50));
processRAF();
this.scrollProcess();
};
ScrollSpyNav.DEFAULTS = {
className: {
active: 'am-active'
},
closest: false,
smooth: true
};
ScrollSpyNav.prototype.process = function() {
var scrollTop = this.$window.scrollTop();
var options = this.options;
var inViews = [];
var $links = this.$links;
var $targets = this.$targets;
$targets.each(function(i, target) {
if (UI.utils.isInView(target, options)) {
inViews.push(target);
}
});
// console.log(inViews.length);
if (inViews.length) {
var $target;
$.each(inViews, function(i, item) {
if ($(item).offset().top >= scrollTop) {
$target = $(item);
return false; // break
}
});
if (!$target) {
return;
}
if (options.closest) {
$links.closest(options.closest).removeClass(options.className
.active);
$links.filter('a[href="#' + $target.attr('id') + '"]').
closest(options.closest).addClass(options.className.active);
} else {
$links.removeClass(options.className.active).
filter('a[href="#' + $target.attr('id') + '"]').
addClass(options.className.active);
}
}
};
ScrollSpyNav.prototype.scrollProcess = function() {
var $links = this.$links;
// smoothScroll
if (this.options.smooth) {
$links.on('click', function(e) {
e.preventDefault();
var $this = $(this);
var $target = $($this.attr('href'));
if (!$target) {
return;
}
$(window).smoothScroll({
position: $target.offset().top
});
});
}
};
// ScrollSpyNav Plugin
function Plugin(option) {
return this.each(function() {
var $this = $(this);
var data = $this.data('amui.scrollspynav');
var options = typeof option == 'object' && option;
if (!data) {
$this.data('amui.scrollspynav', (data = new ScrollSpyNav(
this, options)));
}
if (typeof option == 'string') {
data[option]();
}
});
}
$.fn.scrollspynav = Plugin;
// Init code
UI.ready(function(context) {
$('[data-am-scrollspy-nav]', context).each(function() {
var $this = $(this);
var options = UI.utils.options($this.attr(
'data-am-scrollspy-nav'));
Plugin.call($this, options);
});
});
$.AMUI.scrollspynav = ScrollSpyNav;
module.exports = ScrollSpyNav;
// TODO: 1. 算法改进
// 2. 多级菜单支持
// 3. smooth scroll pushState
}).call(this, typeof global !== "undefined" ? global : typeof self !==
"undefined" ? self : typeof window !== "undefined" ? window : {})
}, {
"./core": 2,
"./ui.smooth-scroll": 14
}
],
14: [
function(require, module, exports) {
(function(global) {
'use strict';
var $ = (typeof window !== "undefined" ? window.jQuery : typeof global !==
"undefined" ? global.jQuery : null);
var UI = require('./core');
var rAF = UI.utils.rAF;
var cAF = UI.utils.cancelAF;
/**
* Smooth Scroll
* @param position
* @via http://mir.aculo.us/2014/01/19/scrolling-dom-elements-to-the-top-a-zepto-plugin/
*/
// Usage: $(window).smoothScroll([options])
// only allow one scroll to top operation to be in progress at a time,
// which is probably what you want
var smoothScrollInProgress = false;
var SmoothScroll = function(element, options) {
options = options || {};
var $this = $(element);
var targetY = parseInt(options.position) || SmoothScroll.DEFAULTS
.position;
var initialY = $this.scrollTop();
var lastY = initialY;
var delta = targetY - initialY;
// duration in ms, make it a bit shorter for short distances
// this is not scientific and you might want to adjust this for
// your preferences
var speed = options.speed ||
Math.min(750, Math.min(1500, Math.abs(initialY - targetY)));
// temp variables (t will be a position between 0 and 1, y is the calculated scrollTop)
var start;
var t;
var y;
var cancelScroll = function() {
abort();
};
// abort if already in progress or nothing to scroll
if (smoothScrollInProgress) {
return;
}
if (delta === 0) {
return;
}
// quint ease-in-out smoothing, from
// https://github.com/madrobby/scripty2/blob/master/src/effects/transitions/penner.js#L127-L136
function smooth(pos) {
if ((pos /= 0.5) < 1) {
return 0.5 * Math.pow(pos, 5);
}
return 0.5 * (Math.pow((pos - 2), 5) + 2);
}
function abort() {
$this.off('touchstart.smoothscroll.amui', cancelScroll);
smoothScrollInProgress = false;
}
// when there's a touch detected while scrolling is in progress, abort
// the scrolling (emulates native scrolling behavior)
$this.on('touchstart.smoothscroll.amui', cancelScroll);
smoothScrollInProgress = true;
// start rendering away! note the function given to frame
// is named "render" so we can reference it again further down
function render(now) {
if (!smoothScrollInProgress) {
return;
}
if (!start) {
start = now;
}
// calculate t, position of animation in [0..1]
t = Math.min(1, Math.max((now - start) / speed, 0));
// calculate the new scrollTop position (don't forget to smooth)
y = Math.round(initialY + delta * smooth(t));
// bracket scrollTop so we're never over-scrolling
if (delta > 0 && y > targetY) {
y = targetY;
}
if (delta < 0 && y < targetY) {
y = targetY;
}
// only actually set scrollTop if there was a change fromt he last frame
if (lastY != y) {
$this.scrollTop(y);
}
lastY = y;
// if we're not done yet, queue up an other frame to render,
// or clean up
if (y !== targetY) {
cAF(scrollRAF);
scrollRAF = rAF(render);
} else {
cAF(scrollRAF);
abort();
}
}
var scrollRAF = rAF(render);
};
SmoothScroll.DEFAULTS = {
position: 0
};
$.fn.smoothScroll = function(option) {
return this.each(function() {
new SmoothScroll(this, option);
});
};
// Init code
$(document).on('click.smoothScroll.amui.data-api',
'[data-am-smooth-scroll]',
function(e) {
e.preventDefault();
var options = UI.utils.parseOptions($(this).data(
'amSmoothScroll'));
$(window).smoothScroll(options);
});
module.exports = SmoothScroll;
}).call(this, typeof global !== "undefined" ? global : typeof self !==
"undefined" ? self : typeof window !== "undefined" ? window : {})
}, {
"./core": 2
}
],
15: [
function(require, module, exports) {
(function(global) {
'use strict';
var $ = (typeof window !== "undefined" ? window.jQuery : typeof global !==
"undefined" ? global.jQuery : null);
var UI = require('./core');
/**
* @via https://github.com/uikit/uikit/blob/master/src/js/addons/sticky.js
* @license https://github.com/uikit/uikit/blob/master/LICENSE.md
*/
// Sticky Class
var Sticky = function(element, options) {
var me = this;
this.options = $.extend({}, Sticky.DEFAULTS, options);
this.$element = $(element);
this.sticked = null;
this.inited = null;
this.$holder = undefined;
this.$window = $(window).
on('scroll.sticky.amui',
UI.utils.debounce($.proxy(this.checkPosition, this), 10)).
on('resize.sticky.amui orientationchange.sticky.amui',
UI.utils.debounce(function() {
me.reset(true, function() {
me.checkPosition();
});
}, 50)).
on('load.sticky.amui', $.proxy(this.checkPosition, this));
// the `.offset()` is diff between jQuery & Zepto.js
// jQuery: return `top` and `left`
// Zepto.js: return `top`, `left`, `width`, `height`
this.offset = this.$element.offset();
this.init();
};
Sticky.DEFAULTS = {
top: 0,
bottom: 0,
animation: '',
className: {
sticky: 'am-sticky',
resetting: 'am-sticky-resetting',
stickyBtm: 'am-sticky-bottom',
animationRev: 'am-animation-reverse'
}
};
Sticky.prototype.init = function() {
var result = this.check();
if (!result) {
return false;
}
var $element = this.$element;
var $holder = $('').css({
height: $element.css('position') != 'absolute' ?
$element.outerHeight() : '',
float: $element.css('float') != 'none' ? $element.css(
'float') : '',
margin: $element.css('margin')
});
this.$holder = $element.css('margin', 0).wrap($holder).parent();
this.inited = 1;
return true;
};
Sticky.prototype.reset = function(force, cb) {
var options = this.options;
var $element = this.$element;
var animation = (options.animation) ?
' am-animation-' + options.animation : '';
var complete = function() {
$element.css({
position: '',
top: '',
width: '',
left: '',
margin: 0
});
$element.removeClass([
animation,
options.className.animationRev,
options.className.sticky,
options.className.resetting
].join(' '));
this.animating = false;
this.sticked = false;
this.offset = $element.offset();
cb && cb();
}.bind(this);
$element.addClass(options.className.resetting);
if (!force && options.animation && UI.support.animation) {
this.animating = true;
$element.removeClass(animation).one(UI.support.animation.end,
function() {
complete();
}).width(); // force redraw
$element.addClass(animation + ' ' + options.className.animationRev);
} else {
complete();
}
};
Sticky.prototype.check = function() {
if (!this.$element.is(':visible')) {
return false;
}
var media = this.options.media;
if (media) {
switch (typeof(media)) {
case 'number':
if (window.innerWidth < media) {
return false;
}
break;
case 'string':
if (window.matchMedia && !window.matchMedia(media).matches) {
return false;
}
break;
}
}
return true;
};
Sticky.prototype.checkPosition = function() {
if (!this.inited) {
var initialized = this.init();
if (!initialized) {
return;
}
}
var options = this.options;
var scrollTop = this.$window.scrollTop();
var offsetTop = options.top;
var offsetBottom = options.bottom;
var $element = this.$element;
var animation = (options.animation) ?
' am-animation-' + options.animation : '';
var className = [options.className.sticky, animation].join(' ');
if (typeof offsetBottom == 'function') {
offsetBottom = offsetBottom(this.$element);
}
var checkResult = (scrollTop > this.$holder.offset().top);
if (!this.sticked && checkResult) {
$element.addClass(className);
} else if (this.sticked && !checkResult) {
this.reset();
}
this.$holder.height($element.is(':visible') ? $element.height() :
0);
if (checkResult) {
$element.css({
top: offsetTop,
left: this.$holder.offset().left,
width: this.$holder.width()
});
/*
if (offsetBottom) {
// （底部边距 + 元素高度 > 窗口高度） 时定位到底部
if ((offsetBottom + this.offset.height > $(window).height()) &&
(scrollTop + $(window).height() >= scrollHeight - offsetBottom)) {
$element.addClass(options.className.stickyBtm).
css({top: $(window).height() - offsetBottom - this.offset.height});
} else {
$element.removeClass(options.className.stickyBtm).css({top: offsetTop});
}
}
*/
}
this.sticked = checkResult;
};
// Sticky Plugin
function Plugin(option) {
return this.each(function() {
var $this = $(this);
var data = $this.data('amui.sticky');
var options = typeof option == 'object' && option;
if (!data) {
$this.data('amui.sticky', (data = new Sticky(this,
options)));
}
if (typeof option == 'string') {
data[option]();
}
});
}
$.fn.sticky = Plugin;
// Init code
$(window).on('load', function() {
$('[data-am-sticky]').each(function() {
var $this = $(this);
var options = UI.utils.options($this.attr('data-am-sticky'));
Plugin.call($this, options);
});
});
$.AMUI.sticky = Sticky;
module.exports = Sticky;
}).call(this, typeof global !== "undefined" ? global : typeof self !==
"undefined" ? self : typeof window !== "undefined" ? window : {})
}, {
"./core": 2
}
],
16: [
function(require, module, exports) {
(function(global) {
'use strict';
var $ = (typeof window !== "undefined" ? window.jQuery : typeof global !==
"undefined" ? global.jQuery : null);
require('./core');
var cookie = {
get: function(name) {
var cookieName = encodeURIComponent(name) + '=';
var cookieStart = document.cookie.indexOf(cookieName);
var cookieValue = null;
var cookieEnd;
if (cookieStart > -1) {
cookieEnd = document.cookie.indexOf(';', cookieStart);
if (cookieEnd == -1) {
cookieEnd = document.cookie.length;
}
cookieValue = decodeURIComponent(document.cookie.substring(
cookieStart +
cookieName.length, cookieEnd));
}
return cookieValue;
},
set: function(name, value, expires, path, domain, secure) {
var cookieText = encodeURIComponent(name) + '=' +
encodeURIComponent(value);
if (expires instanceof Date) {
cookieText += '; expires=' + expires.toGMTString();
}
if (path) {
cookieText += '; path=' + path;
}
if (domain) {
cookieText += '; domain=' + domain;
}
if (secure) {
cookieText += '; secure';
}
document.cookie = cookieText;
},
unset: function(name, path, domain, secure) {
this.set(name, '', new Date(0), path, domain, secure);
}
};
$.AMUI.utils.cookie = cookie;
module.exports = cookie;
}).call(this, typeof global !== "undefined" ? global : typeof self !==
"undefined" ? self : typeof window !== "undefined" ? window : {})
}, {
"./core": 2
}
],
17: [
function(require, module, exports) {
(function(global) {
/*! Hammer.JS - v2.0.4 - 2014-09-28
* http://hammerjs.github.io/
*
* Copyright (c) 2014 Jorik Tangelder;
* Licensed under the MIT license */
'use strict';
var $ = (typeof window !== "undefined" ? window.jQuery : typeof global !==
"undefined" ? global.jQuery : null);
var UI = require('./core');
var VENDOR_PREFIXES = ['', 'webkit', 'moz', 'MS', 'ms', 'o'];
var TEST_ELEMENT = document.createElement('div');
var TYPE_FUNCTION = 'function';
var round = Math.round;
var abs = Math.abs;
var now = Date.now;
/**
* set a timeout with a given scope
* @param {Function} fn
* @param {Number} timeout
* @param {Object} context
* @returns {number}
*/
function setTimeoutContext(fn, timeout, context) {
return setTimeout(bindFn(fn, context), timeout);
}
/**
* if the argument is an array, we want to execute the fn on each entry
* if it aint an array we don't want to do a thing.
* this is used by all the methods that accept a single and array argument.
* @param {*|Array} arg
* @param {String} fn
* @param {Object} [context]
* @returns {Boolean}
*/
function invokeArrayArg(arg, fn, context) {
if (Array.isArray(arg)) {
each(arg, context[fn], context);
return true;
}
return false;
}
/**
* walk objects and arrays
* @param {Object} obj
* @param {Function} iterator
* @param {Object} context
*/
function each(obj, iterator, context) {
var i;
if (!obj) {
return;
}
if (obj.forEach) {
obj.forEach(iterator, context);
} else if (obj.length !== undefined) {
i = 0;
while (i < obj.length) {
iterator.call(context, obj[i], i, obj);
i++;
}
} else {
for (i in obj) {
obj.hasOwnProperty(i) && iterator.call(context, obj[i], i,
obj);
}
}
}
/**
* extend object.
* means that properties in dest will be overwritten by the ones in src.
* @param {Object} dest
* @param {Object} src
* @param {Boolean} [merge]
* @returns {Object} dest
*/
function extend(dest, src, merge) {
var keys = Object.keys(src);
var i = 0;
while (i < keys.length) {
if (!merge || (merge && dest[keys[i]] === undefined)) {
dest[keys[i]] = src[keys[i]];
}
i++;
}
return dest;
}
/**
* merge the values from src in the dest.
* means that properties that exist in dest will not be overwritten by src
* @param {Object} dest
* @param {Object} src
* @returns {Object} dest
*/
function merge(dest, src) {
return extend(dest, src, true);
}
/**
* simple class inheritance
* @param {Function} child
* @param {Function} base
* @param {Object} [properties]
*/
function inherit(child, base, properties) {
var baseP = base.prototype,
childP;
childP = child.prototype = Object.create(baseP);
childP.constructor = child;
childP._super = baseP;
if (properties) {
extend(childP, properties);
}
}
/**
* simple function bind
* @param {Function} fn
* @param {Object} context
* @returns {Function}
*/
function bindFn(fn, context) {
return function boundFn() {
return fn.apply(context, arguments);
};
}
/**
* let a boolean value also be a function that must return a boolean
* this first item in args will be used as the context
* @param {Boolean|Function} val
* @param {Array} [args]
* @returns {Boolean}
*/
function boolOrFn(val, args) {
if (typeof val == TYPE_FUNCTION) {
return val.apply(args ? args[0] || undefined : undefined, args);
}
return val;
}
/**
* use the val2 when val1 is undefined
* @param {*} val1
* @param {*} val2
* @returns {*}
*/
function ifUndefined(val1, val2) {
return (val1 === undefined) ? val2 : val1;
}
/**
* addEventListener with multiple events at once
* @param {EventTarget} target
* @param {String} types
* @param {Function} handler
*/
function addEventListeners(target, types, handler) {
each(splitStr(types), function(type) {
target.addEventListener(type, handler, false);
});
}
/**
* removeEventListener with multiple events at once
* @param {EventTarget} target
* @param {String} types
* @param {Function} handler
*/
function removeEventListeners(target, types, handler) {
each(splitStr(types), function(type) {
target.removeEventListener(type, handler, false);
});
}
/**
* find if a node is in the given parent
* @method hasParent
* @param {HTMLElement} node
* @param {HTMLElement} parent
* @return {Boolean} found
*/
function hasParent(node, parent) {
while (node) {
if (node == parent) {
return true;
}
node = node.parentNode;
}
return false;
}
/**
* small indexOf wrapper
* @param {String} str
* @param {String} find
* @returns {Boolean} found
*/
function inStr(str, find) {
return str.indexOf(find) > -1;
}
/**
* split string on whitespace
* @param {String} str
* @returns {Array} words
*/
function splitStr(str) {
return str.trim().split(/\s+/g);
}
/**
* find if a array contains the object using indexOf or a simple polyFill
* @param {Array} src
* @param {String} find
* @param {String} [findByKey]
* @return {Boolean|Number} false when not found, or the index
*/
function inArray(src, find, findByKey) {
if (src.indexOf && !findByKey) {
return src.indexOf(find);
} else {
var i = 0;
while (i < src.length) {
if ((findByKey && src[i][findByKey] == find) || (!findByKey &&
src[i] === find)) {
return i;
}
i++;
}
return -1;
}
}
/**
* convert array-like objects to real arrays
* @param {Object} obj
* @returns {Array}
*/
function toArray(obj) {
return Array.prototype.slice.call(obj, 0);
}
/**
* unique array with objects based on a key (like 'id') or just by the array's value
* @param {Array} src [{id:1},{id:2},{id:1}]
* @param {String} [key]
* @param {Boolean} [sort=False]
* @returns {Array} [{id:1},{id:2}]
*/
function uniqueArray(src, key, sort) {
var results = [];
var values = [];
var i = 0;
while (i < src.length) {
var val = key ? src[i][key] : src[i];
if (inArray(values, val) < 0) {
results.push(src[i]);
}
values[i] = val;
i++;
}
if (sort) {
if (!key) {
results = results.sort();
} else {
results = results.sort(function sortUniqueArray(a, b) {
return a[key] > b[key];
});
}
}
return results;
}
/**
* get the prefixed property
* @param {Object} obj
* @param {String} property
* @returns {String|Undefined} prefixed
*/
function prefixed(obj, property) {
var prefix, prop;
var camelProp = property[0].toUpperCase() + property.slice(1);
var i = 0;
while (i < VENDOR_PREFIXES.length) {
prefix = VENDOR_PREFIXES[i];
prop = (prefix) ? prefix + camelProp : property;
if (prop in obj) {
return prop;
}
i++;
}
return undefined;
}
/**
* get a unique id
* @returns {number} uniqueId
*/
var _uniqueId = 1;
function uniqueId() {
return _uniqueId++;
}
/**
* get the window object of an element
* @param {HTMLElement} element
* @returns {DocumentView|Window}
*/
function getWindowForElement(element) {
var doc = element.ownerDocument;
return (doc.defaultView || doc.parentWindow);
}
var MOBILE_REGEX = /mobile|tablet|ip(ad|hone|od)|android/i;
var SUPPORT_TOUCH = ('ontouchstart' in window);
var SUPPORT_POINTER_EVENTS = prefixed(window, 'PointerEvent') !==
undefined;
var SUPPORT_ONLY_TOUCH = SUPPORT_TOUCH && MOBILE_REGEX.test(
navigator.userAgent);
var INPUT_TYPE_TOUCH = 'touch';
var INPUT_TYPE_PEN = 'pen';
var INPUT_TYPE_MOUSE = 'mouse';
var INPUT_TYPE_KINECT = 'kinect';
var COMPUTE_INTERVAL = 25;
var INPUT_START = 1;
var INPUT_MOVE = 2;
var INPUT_END = 4;
var INPUT_CANCEL = 8;
var DIRECTION_NONE = 1;
var DIRECTION_LEFT = 2;
var DIRECTION_RIGHT = 4;
var DIRECTION_UP = 8;
var DIRECTION_DOWN = 16;
var DIRECTION_HORIZONTAL = DIRECTION_LEFT | DIRECTION_RIGHT;
var DIRECTION_VERTICAL = DIRECTION_UP | DIRECTION_DOWN;
var DIRECTION_ALL = DIRECTION_HORIZONTAL | DIRECTION_VERTICAL;
var PROPS_XY = ['x', 'y'];
var PROPS_CLIENT_XY = ['clientX', 'clientY'];
/**
* create new input type manager
* @param {Manager} manager
* @param {Function} callback
* @returns {Input}
* @constructor
*/
function Input(manager, callback) {
var self = this;
this.manager = manager;
this.callback = callback;
this.element = manager.element;
this.target = manager.options.inputTarget;
// smaller wrapper around the handler, for the scope and the enabled state of the manager,
// so when disabled the input events are completely bypassed.
this.domHandler = function(ev) {
if (boolOrFn(manager.options.enable, [manager])) {
self.handler(ev);
}
};
this.init();
}
Input.prototype = {
/**
* should handle the inputEvent data and trigger the callback
* @virtual
*/
handler: function() {},
/**
* bind the events
*/
init: function() {
this.evEl && addEventListeners(this.element, this.evEl, this.domHandler);
this.evTarget && addEventListeners(this.target, this.evTarget,
this.domHandler);
this.evWin && addEventListeners(getWindowForElement(this.element),
this.evWin, this.domHandler);
},
/**
* unbind the events
*/
destroy: function() {
this.evEl && removeEventListeners(this.element, this.evEl, this
.domHandler);
this.evTarget && removeEventListeners(this.target, this.evTarget,
this.domHandler);
this.evWin && removeEventListeners(getWindowForElement(this.element),
this.evWin, this.domHandler);
}
};
/**
* create new input type manager
* called by the Manager constructor
* @param {Hammer} manager
* @returns {Input}
*/
function createInputInstance(manager) {
var Type;
var inputClass = manager.options.inputClass;
if (inputClass) {
Type = inputClass;
} else if (SUPPORT_POINTER_EVENTS) {
Type = PointerEventInput;
} else if (SUPPORT_ONLY_TOUCH) {
Type = TouchInput;
} else if (!SUPPORT_TOUCH) {
Type = MouseInput;
} else {
Type = TouchMouseInput;
}
return new(Type)(manager, inputHandler);
}
/**
* handle input events
* @param {Manager} manager
* @param {String} eventType
* @param {Object} input
*/
function inputHandler(manager, eventType, input) {
var pointersLen = input.pointers.length;
var changedPointersLen = input.changedPointers.length;
var isFirst = (eventType & INPUT_START && (pointersLen -
changedPointersLen === 0));
var isFinal = (eventType & (INPUT_END | INPUT_CANCEL) && (
pointersLen - changedPointersLen === 0));
input.isFirst = !!isFirst;
input.isFinal = !!isFinal;
if (isFirst) {
manager.session = {};
}
// source event is the normalized value of the domEvents
// like 'touchstart, mouseup, pointerdown'
input.eventType = eventType;
// compute scale, rotation etc
computeInputData(manager, input);
// emit secret event
manager.emit('hammer.input', input);
manager.recognize(input);
manager.session.prevInput = input;
}
/**
* extend the data with some usable properties like scale, rotate, velocity etc
* @param {Object} manager
* @param {Object} input
*/
function computeInputData(manager, input) {
var session = manager.session;
var pointers = input.pointers;
var pointersLength = pointers.length;
// store the first input to calculate the distance and direction
if (!session.firstInput) {
session.firstInput = simpleCloneInputData(input);
}
// to compute scale and rotation we need to store the multiple touches
if (pointersLength > 1 && !session.firstMultiple) {
session.firstMultiple = simpleCloneInputData(input);
} else if (pointersLength === 1) {
session.firstMultiple = false;
}
var firstInput = session.firstInput;
var firstMultiple = session.firstMultiple;
var offsetCenter = firstMultiple ? firstMultiple.center :
firstInput.center;
var center = input.center = getCenter(pointers);
input.timeStamp = now();
input.deltaTime = input.timeStamp - firstInput.timeStamp;
input.angle = getAngle(offsetCenter, center);
input.distance = getDistance(offsetCenter, center);
computeDeltaXY(session, input);
input.offsetDirection = getDirection(input.deltaX, input.deltaY);
input.scale = firstMultiple ? getScale(firstMultiple.pointers,
pointers) : 1;
input.rotation = firstMultiple ? getRotation(firstMultiple.pointers,
pointers) : 0;
computeIntervalInputData(session, input);
// find the correct target
var target = manager.element;
if (hasParent(input.srcEvent.target, target)) {
target = input.srcEvent.target;
}
input.target = target;
}
function computeDeltaXY(session, input) {
var center = input.center;
var offset = session.offsetDelta || {};
var prevDelta = session.prevDelta || {};
var prevInput = session.prevInput || {};
if (input.eventType === INPUT_START || prevInput.eventType ===
INPUT_END) {
prevDelta = session.prevDelta = {
x: prevInput.deltaX || 0,
y: prevInput.deltaY || 0
};
offset = session.offsetDelta = {
x: center.x,
y: center.y
};
}
input.deltaX = prevDelta.x + (center.x - offset.x);
input.deltaY = prevDelta.y + (center.y - offset.y);
}
/**
* velocity is calculated every x ms
* @param {Object} session
* @param {Object} input
*/
function computeIntervalInputData(session, input) {
var last = session.lastInterval || input,
deltaTime = input.timeStamp - last.timeStamp,
velocity, velocityX, velocityY, direction;
if (input.eventType != INPUT_CANCEL && (deltaTime >
COMPUTE_INTERVAL || last.velocity === undefined)) {
var deltaX = last.deltaX - input.deltaX;
var deltaY = last.deltaY - input.deltaY;
var v = getVelocity(deltaTime, deltaX, deltaY);
velocityX = v.x;
velocityY = v.y;
velocity = (abs(v.x) > abs(v.y)) ? v.x : v.y;
direction = getDirection(deltaX, deltaY);
session.lastInterval = input;
} else {
// use latest velocity info if it doesn't overtake a minimum period
velocity = last.velocity;
velocityX = last.velocityX;
velocityY = last.velocityY;
direction = last.direction;
}
input.velocity = velocity;
input.velocityX = velocityX;
input.velocityY = velocityY;
input.direction = direction;
}
/**
* create a simple clone from the input used for storage of firstInput and firstMultiple
* @param {Object} input
* @returns {Object} clonedInputData
*/
function simpleCloneInputData(input) {
// make a simple copy of the pointers because we will get a reference if we don't
// we only need clientXY for the calculations
var pointers = [];
var i = 0;
while (i < input.pointers.length) {
pointers[i] = {
clientX: round(input.pointers[i].clientX),
clientY: round(input.pointers[i].clientY)
};
i++;
}
return {
timeStamp: now(),
pointers: pointers,
center: getCenter(pointers),
deltaX: input.deltaX,
deltaY: input.deltaY
};
}
/**
* get the center of all the pointers
* @param {Array} pointers
* @return {Object} center contains `x` and `y` properties
*/
function getCenter(pointers) {
var pointersLength = pointers.length;
// no need to loop when only one touch
if (pointersLength === 1) {
return {
x: round(pointers[0].clientX),
y: round(pointers[0].clientY)
};
}
var x = 0,
y = 0,
i = 0;
while (i < pointersLength) {
x += pointers[i].clientX;
y += pointers[i].clientY;
i++;
}
return {
x: round(x / pointersLength),
y: round(y / pointersLength)
};
}
/**
* calculate the velocity between two points. unit is in px per ms.
* @param {Number} deltaTime
* @param {Number} x
* @param {Number} y
* @return {Object} velocity `x` and `y`
*/
function getVelocity(deltaTime, x, y) {
return {
x: x / deltaTime || 0,
y: y / deltaTime || 0
};
}
/**
* get the direction between two points
* @param {Number} x
* @param {Number} y
* @return {Number} direction
*/
function getDirection(x, y) {
if (x === y) {
return DIRECTION_NONE;
}
if (abs(x) >= abs(y)) {
return x > 0 ? DIRECTION_LEFT : DIRECTION_RIGHT;
}
return y > 0 ? DIRECTION_UP : DIRECTION_DOWN;
}
/**
* calculate the absolute distance between two points
* @param {Object} p1 {x, y}
* @param {Object} p2 {x, y}
* @param {Array} [props] containing x and y keys
* @return {Number} distance
*/
function getDistance(p1, p2, props) {
if (!props) {
props = PROPS_XY;
}
var x = p2[props[0]] - p1[props[0]],
y = p2[props[1]] - p1[props[1]];
return Math.sqrt((x * x) + (y * y));
}
/**
* calculate the angle between two coordinates
* @param {Object} p1
* @param {Object} p2
* @param {Array} [props] containing x and y keys
* @return {Number} angle
*/
function getAngle(p1, p2, props) {
if (!props) {
props = PROPS_XY;
}
var x = p2[props[0]] - p1[props[0]],
y = p2[props[1]] - p1[props[1]];
return Math.atan2(y, x) * 180 / Math.PI;
}
/**
* calculate the rotation degrees between two pointersets
* @param {Array} start array of pointers
* @param {Array} end array of pointers
* @return {Number} rotation
*/
function getRotation(start, end) {
return getAngle(end[1], end[0], PROPS_CLIENT_XY) - getAngle(start[
1], start[0], PROPS_CLIENT_XY);
}
/**
* calculate the scale factor between two pointersets
* no scale is 1, and goes down to 0 when pinched together, and bigger when pinched out
* @param {Array} start array of pointers
* @param {Array} end array of pointers
* @return {Number} scale
*/
function getScale(start, end) {
return getDistance(end[0], end[1], PROPS_CLIENT_XY) / getDistance(
start[0], start[1], PROPS_CLIENT_XY);
}
var MOUSE_INPUT_MAP = {
mousedown: INPUT_START,
mousemove: INPUT_MOVE,
mouseup: INPUT_END
};
var MOUSE_ELEMENT_EVENTS = 'mousedown';
var MOUSE_WINDOW_EVENTS = 'mousemove mouseup';
/**
* Mouse events input
* @constructor
* @extends Input
*/
function MouseInput() {
this.evEl = MOUSE_ELEMENT_EVENTS;
this.evWin = MOUSE_WINDOW_EVENTS;
this.allow = true; // used by Input.TouchMouse to disable mouse events
this.pressed = false; // mousedown state
Input.apply(this, arguments);
}
inherit(MouseInput, Input, {
/**
* handle mouse events
* @param {Object} ev
*/
handler: function MEhandler(ev) {
var eventType = MOUSE_INPUT_MAP[ev.type];
// on start we want to have the left mouse button down
if (eventType & INPUT_START && ev.button === 0) {
this.pressed = true;
}
if (eventType & INPUT_MOVE && ev.which !== 1) {
eventType = INPUT_END;
}
// mouse must be down, and mouse events are allowed (see the TouchMouse input)
if (!this.pressed || !this.allow) {
return;
}
if (eventType & INPUT_END) {
this.pressed = false;
}
this.callback(this.manager, eventType, {
pointers: [ev],
changedPointers: [ev],
pointerType: INPUT_TYPE_MOUSE,
srcEvent: ev
});
}
});
var POINTER_INPUT_MAP = {
pointerdown: INPUT_START,
pointermove: INPUT_MOVE,
pointerup: INPUT_END,
pointercancel: INPUT_CANCEL,
pointerout: INPUT_CANCEL
};
// in IE10 the pointer types is defined as an enum
var IE10_POINTER_TYPE_ENUM = {
2: INPUT_TYPE_TOUCH,
3: INPUT_TYPE_PEN,
4: INPUT_TYPE_MOUSE,
5: INPUT_TYPE_KINECT // see https://twitter.com/jacobrossi/status/480596438489890816
};
var POINTER_ELEMENT_EVENTS = 'pointerdown';
var POINTER_WINDOW_EVENTS = 'pointermove pointerup pointercancel';
// IE10 has prefixed support, and case-sensitive
if (window.MSPointerEvent) {
POINTER_ELEMENT_EVENTS = 'MSPointerDown';
POINTER_WINDOW_EVENTS =
'MSPointerMove MSPointerUp MSPointerCancel';
}
/**
* Pointer events input
* @constructor
* @extends Input
*/
function PointerEventInput() {
this.evEl = POINTER_ELEMENT_EVENTS;
this.evWin = POINTER_WINDOW_EVENTS;
Input.apply(this, arguments);
this.store = (this.manager.session.pointerEvents = []);
}
inherit(PointerEventInput, Input, {
/**
* handle mouse events
* @param {Object} ev
*/
handler: function PEhandler(ev) {
var store = this.store;
var removePointer = false;
var eventTypeNormalized = ev.type.toLowerCase().replace('ms',
'');
var eventType = POINTER_INPUT_MAP[eventTypeNormalized];
var pointerType = IE10_POINTER_TYPE_ENUM[ev.pointerType] ||
ev.pointerType;
var isTouch = (pointerType == INPUT_TYPE_TOUCH);
// get index of the event in the store
var storeIndex = inArray(store, ev.pointerId, 'pointerId');
// start and mouse must be down
if (eventType & INPUT_START && (ev.button === 0 || isTouch)) {
if (storeIndex < 0) {
store.push(ev);
storeIndex = store.length - 1;
}
} else if (eventType & (INPUT_END | INPUT_CANCEL)) {
removePointer = true;
}
// it not found, so the pointer hasn't been down (so it's probably a hover)
if (storeIndex < 0) {
return;
}
// update the event in the store
store[storeIndex] = ev;
this.callback(this.manager, eventType, {
pointers: store,
changedPointers: [ev],
pointerType: pointerType,
srcEvent: ev
});
if (removePointer) {
// remove from the store
store.splice(storeIndex, 1);
}
}
});
var SINGLE_TOUCH_INPUT_MAP = {
touchstart: INPUT_START,
touchmove: INPUT_MOVE,
touchend: INPUT_END,
touchcancel: INPUT_CANCEL
};
var SINGLE_TOUCH_TARGET_EVENTS = 'touchstart';
var SINGLE_TOUCH_WINDOW_EVENTS =
'touchstart touchmove touchend touchcancel';
/**
* Touch events input
* @constructor
* @extends Input
*/
function SingleTouchInput() {
this.evTarget = SINGLE_TOUCH_TARGET_EVENTS;
this.evWin = SINGLE_TOUCH_WINDOW_EVENTS;
this.started = false;
Input.apply(this, arguments);
}
inherit(SingleTouchInput, Input, {
handler: function TEhandler(ev) {
var type = SINGLE_TOUCH_INPUT_MAP[ev.type];
// should we handle the touch events?
if (type === INPUT_START) {
this.started = true;
}
if (!this.started) {
return;
}
var touches = normalizeSingleTouches.call(this, ev, type);
// when done, reset the started state
if (type & (INPUT_END | INPUT_CANCEL) && touches[0].length -
touches[1].length === 0) {
this.started = false;
}
this.callback(this.manager, type, {
pointers: touches[0],
changedPointers: touches[1],
pointerType: INPUT_TYPE_TOUCH,
srcEvent: ev
});
}
});
/**
* @this {TouchInput}
* @param {Object} ev
* @param {Number} type flag
* @returns {undefined|Array} [all, changed]
*/
function normalizeSingleTouches(ev, type) {
var all = toArray(ev.touches);
var changed = toArray(ev.changedTouches);
if (type & (INPUT_END | INPUT_CANCEL)) {
all = uniqueArray(all.concat(changed), 'identifier', true);
}
return [all, changed];
}
var TOUCH_INPUT_MAP = {
touchstart: INPUT_START,
touchmove: INPUT_MOVE,
touchend: INPUT_END,
touchcancel: INPUT_CANCEL
};
var TOUCH_TARGET_EVENTS =
'touchstart touchmove touchend touchcancel';
/**
* Multi-user touch events input
* @constructor
* @extends Input
*/
function TouchInput() {
this.evTarget = TOUCH_TARGET_EVENTS;
this.targetIds = {};
Input.apply(this, arguments);
}
inherit(TouchInput, Input, {
handler: function MTEhandler(ev) {
var type = TOUCH_INPUT_MAP[ev.type];
var touches = getTouches.call(this, ev, type);
if (!touches) {
return;
}
this.callback(this.manager, type, {
pointers: touches[0],
changedPointers: touches[1],
pointerType: INPUT_TYPE_TOUCH,
srcEvent: ev
});
}
});
/**
* @this {TouchInput}
* @param {Object} ev
* @param {Number} type flag
* @returns {undefined|Array} [all, changed]
*/
function getTouches(ev, type) {
var allTouches = toArray(ev.touches);
var targetIds = this.targetIds;
// when there is only one touch, the process can be simplified
if (type & (INPUT_START | INPUT_MOVE) && allTouches.length === 1) {
targetIds[allTouches[0].identifier] = true;
return [allTouches, allTouches];
}
var i,
targetTouches,
changedTouches = toArray(ev.changedTouches),
changedTargetTouches = [],
target = this.target;
// get target touches from touches
targetTouches = allTouches.filter(function(touch) {
return hasParent(touch.target, target);
});
// collect touches
if (type === INPUT_START) {
i = 0;
while (i < targetTouches.length) {
targetIds[targetTouches[i].identifier] = true;
i++;
}
}
// filter changed touches to only contain touches that exist in the collected target ids
i = 0;
while (i < changedTouches.length) {
if (targetIds[changedTouches[i].identifier]) {
changedTargetTouches.push(changedTouches[i]);
}
// cleanup removed touches
if (type & (INPUT_END | INPUT_CANCEL)) {
delete targetIds[changedTouches[i].identifier];
}
i++;
}
if (!changedTargetTouches.length) {
return;
}
return [
// merge targetTouches with changedTargetTouches so it contains ALL touches, including 'end' and 'cancel'
uniqueArray(targetTouches.concat(changedTargetTouches),
'identifier', true),
changedTargetTouches
];
}
/**
* Combined touch and mouse input
*
* Touch has a higher priority then mouse, and while touching no mouse events are allowed.
* This because touch devices also emit mouse events while doing a touch.
*
* @constructor
* @extends Input
*/
function TouchMouseInput() {
Input.apply(this, arguments);
var handler = bindFn(this.handler, this);
this.touch = new TouchInput(this.manager, handler);
this.mouse = new MouseInput(this.manager, handler);
}
inherit(TouchMouseInput, Input, {
/**
* handle mouse and touch events
* @param {Hammer} manager
* @param {String} inputEvent
* @param {Object} inputData
*/
handler: function TMEhandler(manager, inputEvent, inputData) {
var isTouch = (inputData.pointerType == INPUT_TYPE_TOUCH),
isMouse = (inputData.pointerType == INPUT_TYPE_MOUSE);
// when we're in a touch event, so block all upcoming mouse events
// most mobile browser also emit mouseevents, right after touchstart
if (isTouch) {
this.mouse.allow = false;
} else if (isMouse && !this.mouse.allow) {
return;
}
// reset the allowMouse when we're done
if (inputEvent & (INPUT_END | INPUT_CANCEL)) {
this.mouse.allow = true;
}
this.callback(manager, inputEvent, inputData);
},
/**
* remove the event listeners
*/
destroy: function destroy() {
this.touch.destroy();
this.mouse.destroy();
}
});
var PREFIXED_TOUCH_ACTION = prefixed(TEST_ELEMENT.style,
'touchAction');
var NATIVE_TOUCH_ACTION = PREFIXED_TOUCH_ACTION !== undefined;
// magical touchAction value
var TOUCH_ACTION_COMPUTE = 'compute';
var TOUCH_ACTION_AUTO = 'auto';
var TOUCH_ACTION_MANIPULATION = 'manipulation'; // not implemented
var TOUCH_ACTION_NONE = 'none';
var TOUCH_ACTION_PAN_X = 'pan-x';
var TOUCH_ACTION_PAN_Y = 'pan-y';
/**
* Touch Action
* sets the touchAction property or uses the js alternative
* @param {Manager} manager
* @param {String} value
* @constructor
*/
function TouchAction(manager, value) {
this.manager = manager;
this.set(value);
}
TouchAction.prototype = {
/**
* set the touchAction value on the element or enable the polyfill
* @param {String} value
*/
set: function(value) {
// find out the touch-action by the event handlers
if (value == TOUCH_ACTION_COMPUTE) {
value = this.compute();
}
if (NATIVE_TOUCH_ACTION) {
this.manager.element.style[PREFIXED_TOUCH_ACTION] = value;
}
this.actions = value.toLowerCase().trim();
},
/**
* just re-set the touchAction value
*/
update: function() {
this.set(this.manager.options.touchAction);
},
/**
* compute the value for the touchAction property based on the recognizer's settings
* @returns {String} value
*/
compute: function() {
var actions = [];
each(this.manager.recognizers, function(recognizer) {
if (boolOrFn(recognizer.options.enable, [recognizer])) {
actions = actions.concat(recognizer.getTouchAction());
}
});
return cleanTouchActions(actions.join(' '));
},
/**
* this method is called on each input cycle and provides the preventing of the browser behavior
* @param {Object} input
*/
preventDefaults: function(input) {
// not needed with native support for the touchAction property
if (NATIVE_TOUCH_ACTION) {
return;
}
var srcEvent = input.srcEvent;
var direction = input.offsetDirection;
// if the touch action did prevented once this session
if (this.manager.session.prevented) {
srcEvent.preventDefault();
return;
}
var actions = this.actions;
var hasNone = inStr(actions, TOUCH_ACTION_NONE);
var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y);
var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X);
if (hasNone ||
(hasPanY && direction & DIRECTION_HORIZONTAL) ||
(hasPanX && direction & DIRECTION_VERTICAL)) {
return this.preventSrc(srcEvent);
}
},
/**
* call preventDefault to prevent the browser's default behavior (scrolling in most cases)
* @param {Object} srcEvent
*/
preventSrc: function(srcEvent) {
this.manager.session.prevented = true;
srcEvent.preventDefault();
}
};
/**
* when the touchActions are collected they are not a valid value, so we need to clean things up. *
* @param {String} actions
* @returns {*}
*/
function cleanTouchActions(actions) {
// none
if (inStr(actions, TOUCH_ACTION_NONE)) {
return TOUCH_ACTION_NONE;
}
var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X);
var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y);
// pan-x and pan-y can be combined
if (hasPanX && hasPanY) {
return TOUCH_ACTION_PAN_X + ' ' + TOUCH_ACTION_PAN_Y;
}
// pan-x OR pan-y
if (hasPanX || hasPanY) {
return hasPanX ? TOUCH_ACTION_PAN_X : TOUCH_ACTION_PAN_Y;
}
// manipulation
if (inStr(actions, TOUCH_ACTION_MANIPULATION)) {
return TOUCH_ACTION_MANIPULATION;
}
return TOUCH_ACTION_AUTO;
}
/**
* Recognizer flow explained; *
* All recognizers have the initial state of POSSIBLE when a input session starts.
* The definition of a input session is from the first input until the last input, with all it's movement in it. *
* Example session for mouse-input: mousedown -> mousemove -> mouseup
*
* On each recognizing cycle (see Manager.recognize) the .recognize() method is executed
* which determines with state it should be.
*
* If the recognizer has the state FAILED, CANCELLED or RECOGNIZED (equals ENDED), it is reset to
* POSSIBLE to give it another change on the next cycle.
*
* Possible
* |
* +-----+---------------+
* | |
* +-----+-----+ |
* | | |
* Failed Cancelled |
* +-------+------+
* | |
* Recognized Began
* |
* Changed
* |
* Ended/Recognized
*/
var STATE_POSSIBLE = 1;
var STATE_BEGAN = 2;
var STATE_CHANGED = 4;
var STATE_ENDED = 8;
var STATE_RECOGNIZED = STATE_ENDED;
var STATE_CANCELLED = 16;
var STATE_FAILED = 32;
/**
* Recognizer
* Every recognizer needs to extend from this class.
* @constructor
* @param {Object} options
*/
function Recognizer(options) {
this.id = uniqueId();
this.manager = null;
this.options = merge(options || {}, this.defaults);
// default is enable true
this.options.enable = ifUndefined(this.options.enable, true);
this.state = STATE_POSSIBLE;
this.simultaneous = {};
this.requireFail = [];
}
Recognizer.prototype = {
/**
* @virtual
* @type {Object}
*/
defaults: {},
/**
* set options
* @param {Object} options
* @return {Recognizer}
*/
set: function(options) {
extend(this.options, options);
// also update the touchAction, in case something changed about the directions/enabled state
this.manager && this.manager.touchAction.update();
return this;
},
/**
* recognize simultaneous with an other recognizer.
* @param {Recognizer} otherRecognizer
* @returns {Recognizer} this
*/
recognizeWith: function(otherRecognizer) {
if (invokeArrayArg(otherRecognizer, 'recognizeWith', this)) {
return this;
}
var simultaneous = this.simultaneous;
otherRecognizer = getRecognizerByNameIfManager(otherRecognizer,
this);
if (!simultaneous[otherRecognizer.id]) {
simultaneous[otherRecognizer.id] = otherRecognizer;
otherRecognizer.recognizeWith(this);
}
return this;
},
/**
* drop the simultaneous link. it doesnt remove the link on the other recognizer.
* @param {Recognizer} otherRecognizer
* @returns {Recognizer} this
*/
dropRecognizeWith: function(otherRecognizer) {
if (invokeArrayArg(otherRecognizer, 'dropRecognizeWith', this)) {
return this;
}
otherRecognizer = getRecognizerByNameIfManager(otherRecognizer,
this);
delete this.simultaneous[otherRecognizer.id];
return this;
},
/**
* recognizer can only run when an other is failing
* @param {Recognizer} otherRecognizer
* @returns {Recognizer} this
*/
requireFailure: function(otherRecognizer) {
if (invokeArrayArg(otherRecognizer, 'requireFailure', this)) {
return this;
}
var requireFail = this.requireFail;
otherRecognizer = getRecognizerByNameIfManager(otherRecognizer,
this);
if (inArray(requireFail, otherRecognizer) === -1) {
requireFail.push(otherRecognizer);
otherRecognizer.requireFailure(this);
}
return this;
},
/**
* drop the requireFailure link. it does not remove the link on the other recognizer.
* @param {Recognizer} otherRecognizer
* @returns {Recognizer} this
*/
dropRequireFailure: function(otherRecognizer) {
if (invokeArrayArg(otherRecognizer, 'dropRequireFailure', this)) {
return this;
}
otherRecognizer = getRecognizerByNameIfManager(otherRecognizer,
this);
var index = inArray(this.requireFail, otherRecognizer);
if (index > -1) {
this.requireFail.splice(index, 1);
}
return this;
},
/**
* has require failures boolean
* @returns {boolean}
*/
hasRequireFailures: function() {
return this.requireFail.length > 0;
},
/**
* if the recognizer can recognize simultaneous with an other recognizer
* @param {Recognizer} otherRecognizer
* @returns {Boolean}
*/
canRecognizeWith: function(otherRecognizer) {
return !!this.simultaneous[otherRecognizer.id];
},
/**
* You should use `tryEmit` instead of `emit` directly to check
* that all the needed recognizers has failed before emitting.
* @param {Object} input
*/
emit: function(input) {
var self = this;
var state = this.state;
function emit(withState) {
self.manager.emit(self.options.event + (withState ? stateStr(
state) : ''), input);
}
// 'panstart' and 'panmove'
if (state < STATE_ENDED) {
emit(true);
}
emit(); // simple 'eventName' events
// panend and pancancel
if (state >= STATE_ENDED) {
emit(true);
}
},
/**
* Check that all the require failure recognizers has failed,
* if true, it emits a gesture event,
* otherwise, setup the state to FAILED.
* @param {Object} input
*/
tryEmit: function(input) {
if (this.canEmit()) {
return this.emit(input);
}
// it's failing anyway
this.state = STATE_FAILED;
},
/**
* can we emit?
* @returns {boolean}
*/
canEmit: function() {
var i = 0;
while (i < this.requireFail.length) {
if (!(this.requireFail[i].state & (STATE_FAILED |
STATE_POSSIBLE))) {
return false;
}
i++;
}
return true;
},
/**
* update the recognizer
* @param {Object} inputData
*/
recognize: function(inputData) {
// make a new copy of the inputData
// so we can change the inputData without messing up the other recognizers
var inputDataClone = extend({}, inputData);
// is is enabled and allow recognizing?
if (!boolOrFn(this.options.enable, [this, inputDataClone])) {
this.reset();
this.state = STATE_FAILED;
return;
}
// reset when we've reached the end
if (this.state & (STATE_RECOGNIZED | STATE_CANCELLED |
STATE_FAILED)) {
this.state = STATE_POSSIBLE;
}
this.state = this.process(inputDataClone);
// the recognizer has recognized a gesture
// so trigger an event
if (this.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED |
STATE_CANCELLED)) {
this.tryEmit(inputDataClone);
}
},
/**
* return the state of the recognizer
* the actual recognizing happens in this method
* @virtual
* @param {Object} inputData
* @returns {Const} STATE
*/
process: function(inputData) {}, // jshint ignore:line
/**
* return the preferred touch-action
* @virtual
* @returns {Array}
*/
getTouchAction: function() {},
/**
* called when the gesture isn't allowed to recognize
* like when another is being recognized or it is disabled
* @virtual
*/
reset: function() {}
};
/**
* get a usable string, used as event postfix
* @param {Const} state
* @returns {String} state
*/
function stateStr(state) {
if (state & STATE_CANCELLED) {
return 'cancel';
} else if (state & STATE_ENDED) {
return 'end';
} else if (state & STATE_CHANGED) {
return 'move';
} else if (state & STATE_BEGAN) {
return 'start';
}
return '';
}
/**
* direction cons to string
* @param {Const} direction
* @returns {String}
*/
function directionStr(direction) {
if (direction == DIRECTION_DOWN) {
return 'down';
} else if (direction == DIRECTION_UP) {
return 'up';
} else if (direction == DIRECTION_LEFT) {
return 'left';
} else if (direction == DIRECTION_RIGHT) {
return 'right';
}
return '';
}
/**
* get a recognizer by name if it is bound to a manager
* @param {Recognizer|String} otherRecognizer
* @param {Recognizer} recognizer
* @returns {Recognizer}
*/
function getRecognizerByNameIfManager(otherRecognizer, recognizer) {
var manager = recognizer.manager;
if (manager) {
return manager.get(otherRecognizer);
}
return otherRecognizer;
}
/**
* This recognizer is just used as a base for the simple attribute recognizers.
* @constructor
* @extends Recognizer
*/
function AttrRecognizer() {
Recognizer.apply(this, arguments);
}
inherit(AttrRecognizer, Recognizer, {
/**
* @namespace
* @memberof AttrRecognizer
*/
defaults: {
/**
* @type {Number}
* @default 1
*/
pointers: 1
},
/**
* Used to check if it the recognizer receives valid input, like input.distance > 10.
* @memberof AttrRecognizer
* @param {Object} input
* @returns {Boolean} recognized
*/
attrTest: function(input) {
var optionPointers = this.options.pointers;
return optionPointers === 0 || input.pointers.length ===
optionPointers;
},
/**
* Process the input and return the state for the recognizer
* @memberof AttrRecognizer
* @param {Object} input
* @returns {*} State
*/
process: function(input) {
var state = this.state;
var eventType = input.eventType;
var isRecognized = state & (STATE_BEGAN | STATE_CHANGED);
var isValid = this.attrTest(input);
// on cancel input and we've recognized before, return STATE_CANCELLED
if (isRecognized && (eventType & INPUT_CANCEL || !isValid)) {
return state | STATE_CANCELLED;
} else if (isRecognized || isValid) {
if (eventType & INPUT_END) {
return state | STATE_ENDED;
} else if (!(state & STATE_BEGAN)) {
return STATE_BEGAN;
}
return state | STATE_CHANGED;
}
return STATE_FAILED;
}
});
/**
* Pan
* Recognized when the pointer is down and moved in the allowed direction.
* @constructor
* @extends AttrRecognizer
*/
function PanRecognizer() {
AttrRecognizer.apply(this, arguments);
this.pX = null;
this.pY = null;
}
inherit(PanRecognizer, AttrRecognizer, {
/**
* @namespace
* @memberof PanRecognizer
*/
defaults: {
event: 'pan',
threshold: 10,
pointers: 1,
direction: DIRECTION_ALL
},
getTouchAction: function() {
var direction = this.options.direction;
var actions = [];
if (direction & DIRECTION_HORIZONTAL) {
actions.push(TOUCH_ACTION_PAN_Y);
}
if (direction & DIRECTION_VERTICAL) {
actions.push(TOUCH_ACTION_PAN_X);
}
return actions;
},
directionTest: function(input) {
var options = this.options;
var hasMoved = true;
var distance = input.distance;
var direction = input.direction;
var x = input.deltaX;
var y = input.deltaY;
// lock to axis?
if (!(direction & options.direction)) {
if (options.direction & DIRECTION_HORIZONTAL) {
direction = (x === 0) ? DIRECTION_NONE : (x < 0) ?
DIRECTION_LEFT : DIRECTION_RIGHT;
hasMoved = x != this.pX;
distance = Math.abs(input.deltaX);
} else {
direction = (y === 0) ? DIRECTION_NONE : (y < 0) ?
DIRECTION_UP : DIRECTION_DOWN;
hasMoved = y != this.pY;
distance = Math.abs(input.deltaY);
}
}
input.direction = direction;
return hasMoved && distance > options.threshold && direction &
options.direction;
},
attrTest: function(input) {
return AttrRecognizer.prototype.attrTest.call(this, input) &&
(this.state & STATE_BEGAN || (!(this.state & STATE_BEGAN) &&
this.directionTest(input)));
},
emit: function(input) {
this.pX = input.deltaX;
this.pY = input.deltaY;
var direction = directionStr(input.direction);
if (direction) {
this.manager.emit(this.options.event + direction, input);
}
this._super.emit.call(this, input);
}
});
/**
* Pinch
* Recognized when two or more pointers are moving toward (zoom-in) or away from each other (zoom-out).
* @constructor
* @extends AttrRecognizer
*/
function PinchRecognizer() {
AttrRecognizer.apply(this, arguments);
}
inherit(PinchRecognizer, AttrRecognizer, {
/**
* @namespace
* @memberof PinchRecognizer
*/
defaults: {
event: 'pinch',
threshold: 0,
pointers: 2
},
getTouchAction: function() {
return [TOUCH_ACTION_NONE];
},
attrTest: function(input) {
return this._super.attrTest.call(this, input) &&
(Math.abs(input.scale - 1) > this.options.threshold || this
.state & STATE_BEGAN);
},
emit: function(input) {
this._super.emit.call(this, input);
if (input.scale !== 1) {
var inOut = input.scale < 1 ? 'in' : 'out';
this.manager.emit(this.options.event + inOut, input);
}
}
});
/**
* Press
* Recognized when the pointer is down for x ms without any movement.
* @constructor
* @extends Recognizer
*/
function PressRecognizer() {
Recognizer.apply(this, arguments);
this._timer = null;
this._input = null;
}
inherit(PressRecognizer, Recognizer, {
/**
* @namespace
* @memberof PressRecognizer
*/
defaults: {
event: 'press',
pointers: 1,
time: 500, // minimal time of the pointer to be pressed
threshold: 5 // a minimal movement is ok, but keep it low
},
getTouchAction: function() {
return [TOUCH_ACTION_AUTO];
},
process: function(input) {
var options = this.options;
var validPointers = input.pointers.length === options.pointers;
var validMovement = input.distance < options.threshold;
var validTime = input.deltaTime > options.time;
this._input = input;
// we only allow little movement
// and we've reached an end event, so a tap is possible
if (!validMovement || !validPointers || (input.eventType & (
INPUT_END | INPUT_CANCEL) && !validTime)) {
this.reset();
} else if (input.eventType & INPUT_START) {
this.reset();
this._timer = setTimeoutContext(function() {
this.state = STATE_RECOGNIZED;
this.tryEmit();
}, options.time, this);
} else if (input.eventType & INPUT_END) {
return STATE_RECOGNIZED;
}
return STATE_FAILED;
},
reset: function() {
clearTimeout(this._timer);
},
emit: function(input) {
if (this.state !== STATE_RECOGNIZED) {
return;
}
if (input && (input.eventType & INPUT_END)) {
this.manager.emit(this.options.event + 'up', input);
} else {
this._input.timeStamp = now();
this.manager.emit(this.options.event, this._input);
}
}
});
/**
* Rotate
* Recognized when two or more pointer are moving in a circular motion.
* @constructor
* @extends AttrRecognizer
*/
function RotateRecognizer() {
AttrRecognizer.apply(this, arguments);
}
inherit(RotateRecognizer, AttrRecognizer, {
/**
* @namespace
* @memberof RotateRecognizer
*/
defaults: {
event: 'rotate',
threshold: 0,
pointers: 2
},
getTouchAction: function() {
return [TOUCH_ACTION_NONE];
},
attrTest: function(input) {
return this._super.attrTest.call(this, input) &&
(Math.abs(input.rotation) > this.options.threshold || this.state &
STATE_BEGAN);
}
});
/**
* Swipe
* Recognized when the pointer is moving fast (velocity), with enough distance in the allowed direction.
* @constructor
* @extends AttrRecognizer
*/
function SwipeRecognizer() {
AttrRecognizer.apply(this, arguments);
}
inherit(SwipeRecognizer, AttrRecognizer, {
/**
* @namespace
* @memberof SwipeRecognizer
*/
defaults: {
event: 'swipe',
threshold: 10,
velocity: 0.65,
direction: DIRECTION_HORIZONTAL | DIRECTION_VERTICAL,
pointers: 1
},
getTouchAction: function() {
return PanRecognizer.prototype.getTouchAction.call(this);
},
attrTest: function(input) {
var direction = this.options.direction;
var velocity;
if (direction & (DIRECTION_HORIZONTAL | DIRECTION_VERTICAL)) {
velocity = input.velocity;
} else if (direction & DIRECTION_HORIZONTAL) {
velocity = input.velocityX;
} else if (direction & DIRECTION_VERTICAL) {
velocity = input.velocityY;
}
return this._super.attrTest.call(this, input) &&
direction & input.direction &&
input.distance > this.options.threshold &&
abs(velocity) > this.options.velocity && input.eventType &
INPUT_END;
},
emit: function(input) {
var direction = directionStr(input.direction);
if (direction) {
this.manager.emit(this.options.event + direction, input);
}
this.manager.emit(this.options.event, input);
}
});
/**
* A tap is ecognized when the pointer is doing a small tap/click. Multiple taps are recognized if they occur
* between the given interval and position. The delay option can be used to recognize multi-taps without firing
* a single tap.
*
* The eventData from the emitted event contains the property `tapCount`, which contains the amount of
* multi-taps being recognized.
* @constructor
* @extends Recognizer
*/
function TapRecognizer() {
Recognizer.apply(this, arguments);
// previous time and center,
// used for tap counting
this.pTime = false;
this.pCenter = false;
this._timer = null;
this._input = null;
this.count = 0;
}
inherit(TapRecognizer, Recognizer, {
/**
* @namespace
* @memberof PinchRecognizer
*/
defaults: {
event: 'tap',
pointers: 1,
taps: 1,
interval: 300, // max time between the multi-tap taps
time: 250, // max time of the pointer to be down (like finger on the screen)
threshold: 2, // a minimal movement is ok, but keep it low
posThreshold: 10 // a multi-tap can be a bit off the initial position
},
getTouchAction: function() {
return [TOUCH_ACTION_MANIPULATION];
},
process: function(input) {
var options = this.options;
var validPointers = input.pointers.length === options.pointers;
var validMovement = input.distance < options.threshold;
var validTouchTime = input.deltaTime < options.time;
this.reset();
if ((input.eventType & INPUT_START) && (this.count === 0)) {
return this.failTimeout();
}
// we only allow little movement
// and we've reached an end event, so a tap is possible
if (validMovement && validTouchTime && validPointers) {
if (input.eventType != INPUT_END) {
return this.failTimeout();
}
var validInterval = this.pTime ? (input.timeStamp - this.pTime <
options.interval) : true;
var validMultiTap = !this.pCenter || getDistance(this.pCenter,
input.center) < options.posThreshold;
this.pTime = input.timeStamp;
this.pCenter = input.center;
if (!validMultiTap || !validInterval) {
this.count = 1;
} else {
this.count += 1;
}
this._input = input;
// if tap count matches we have recognized it,
// else it has began recognizing...
var tapCount = this.count % options.taps;
if (tapCount === 0) {
// no failing requirements, immediately trigger the tap event
// or wait as long as the multitap interval to trigger
if (!this.hasRequireFailures()) {
return STATE_RECOGNIZED;
} else {
this._timer = setTimeoutContext(function() {
this.state = STATE_RECOGNIZED;
this.tryEmit();
}, options.interval, this);
return STATE_BEGAN;
}
}
}
return STATE_FAILED;
},
failTimeout: function() {
this._timer = setTimeoutContext(function() {
this.state = STATE_FAILED;
}, this.options.interval, this);
return STATE_FAILED;
},
reset: function() {
clearTimeout(this._timer);
},
emit: function() {
if (this.state == STATE_RECOGNIZED) {
this._input.tapCount = this.count;
this.manager.emit(this.options.event, this._input);
}
}
});
/**
* Simple way to create an manager with a default set of recognizers.
* @param {HTMLElement} element
* @param {Object} [options]
* @constructor
*/
function Hammer(element, options) {
options = options || {};
options.recognizers = ifUndefined(options.recognizers, Hammer.defaults
.preset);
return new Manager(element, options);
}
/**
* @const {string}
*/
Hammer.VERSION = '2.0.4';
/**
* default settings
* @namespace
*/
Hammer.defaults = {
/**
* set if DOM events are being triggered.
* But this is slower and unused by simple implementations, so disabled by default.
* @type {Boolean}
* @default false
*/
domEvents: false,
/**
* The value for the touchAction property/fallback.
* When set to `compute` it will magically set the correct value based on the added recognizers.
* @type {String}
* @default compute
*/
touchAction: TOUCH_ACTION_COMPUTE,
/**
* @type {Boolean}
* @default true
*/
enable: true,
/**
* EXPERIMENTAL FEATURE -- can be removed/changed
* Change the parent input target element.
* If Null, then it is being set the to main element.
* @type {Null|EventTarget}
* @default null
*/
inputTarget: null,
/**
* force an input class
* @type {Null|Function}
* @default null
*/
inputClass: null,
/**
* Default recognizer setup when calling `Hammer()`
* When creating a new Manager these will be skipped.
* @type {Array}
*/
preset: [
// RecognizerClass, options, [recognizeWith, ...], [requireFailure, ...]
[RotateRecognizer, {
enable: false
}],
[PinchRecognizer, {
enable: false
},
['rotate']
],
[SwipeRecognizer, {
direction: DIRECTION_HORIZONTAL
}],
[PanRecognizer, {
direction: DIRECTION_HORIZONTAL
},
['swipe']
],
[TapRecognizer],
[TapRecognizer, {
event: 'doubletap',
taps: 2
},
['tap']
],
[PressRecognizer]
],
/**
* Some CSS properties can be used to improve the working of Hammer.
* Add them to this method and they will be set when creating a new Manager.
* @namespace
*/
cssProps: {
/**
* Disables text selection to improve the dragging gesture. Mainly for desktop browsers.
* @type {String}
* @default 'none'
*/
userSelect: 'none',
/**
* Disable the Windows Phone grippers when pressing an element.
* @type {String}
* @default 'none'
*/
touchSelect: 'none',
/**
* Disables the default callout shown when you touch and hold a touch target.
* On iOS, when you touch and hold a touch target such as a link, Safari displays
* a callout containing information about the link. This property allows you to disable that callout.
* @type {String}
* @default 'none'
*/
touchCallout: 'none',
/**
* Specifies whether zooming is enabled. Used by IE10>
* @type {String}
* @default 'none'
*/
contentZooming: 'none',
/**
* Specifies that an entire element should be draggable instead of its contents. Mainly for desktop browsers.
* @type {String}
* @default 'none'
*/
userDrag: 'none',
/**
* Overrides the highlight color shown when the user taps a link or a JavaScript
* clickable element in iOS. This property obeys the alpha value, if specified.
* @type {String}
* @default 'rgba(0,0,0,0)'
*/
tapHighlightColor: 'rgba(0,0,0,0)'
}
};
var STOP = 1;
var FORCED_STOP = 2;
/**
* Manager
* @param {HTMLElement} element
* @param {Object} [options]
* @constructor
*/
function Manager(element, options) {
options = options || {};
this.options = merge(options, Hammer.defaults);
this.options.inputTarget = this.options.inputTarget || element;
this.handlers = {};
this.session = {};
this.recognizers = [];
this.element = element;
this.input = createInputInstance(this);
this.touchAction = new TouchAction(this, this.options.touchAction);
toggleCssProps(this, true);
each(options.recognizers, function(item) {
var recognizer = this.add(new(item[0])(item[1]));
item[2] && recognizer.recognizeWith(item[2]);
item[3] && recognizer.requireFailure(item[3]);
}, this);
}
Manager.prototype = {
/**
* set options
* @param {Object} options
* @returns {Manager}
*/
set: function(options) {
extend(this.options, options);
// Options that need a little more setup
if (options.touchAction) {
this.touchAction.update();
}
if (options.inputTarget) {
// Clean up existing event listeners and reinitialize
this.input.destroy();
this.input.target = options.inputTarget;
this.input.init();
}
return this;
},
/**
* stop recognizing for this session.
* This session will be discarded, when a new [input]start event is fired.
* When forced, the recognizer cycle is stopped immediately.
* @param {Boolean} [force]
*/
stop: function(force) {
this.session.stopped = force ? FORCED_STOP : STOP;
},
/**
* run the recognizers!
* called by the inputHandler function on every movement of the pointers (touches)
* it walks through all the recognizers and tries to detect the gesture that is being made
* @param {Object} inputData
*/
recognize: function(inputData) {
var session = this.session;
if (session.stopped) {
return;
}
// run the touch-action polyfill
this.touchAction.preventDefaults(inputData);
var recognizer;
var recognizers = this.recognizers;
// this holds the recognizer that is being recognized.
// so the recognizer's state needs to be BEGAN, CHANGED, ENDED or RECOGNIZED
// if no recognizer is detecting a thing, it is set to `null`
var curRecognizer = session.curRecognizer;
// reset when the last recognizer is recognized
// or when we're in a new session
if (!curRecognizer || (curRecognizer && curRecognizer.state &
STATE_RECOGNIZED)) {
curRecognizer = session.curRecognizer = null;
}
var i = 0;
while (i < recognizers.length) {
recognizer = recognizers[i];
// find out if we are allowed try to recognize the input for this one.
// 1. allow if the session is NOT forced stopped (see the .stop() method)
// 2. allow if we still haven't recognized a gesture in this session, or the this recognizer is the one
// that is being recognized.
// 3. allow if the recognizer is allowed to run simultaneous with the current recognized recognizer.
// this can be setup with the `recognizeWith()` method on the recognizer.
if (session.stopped !== FORCED_STOP && ( // 1
!curRecognizer || recognizer == curRecognizer || // 2
recognizer.canRecognizeWith(curRecognizer))) { // 3
recognizer.recognize(inputData);
} else {
recognizer.reset();
}
// if the recognizer has been recognizing the input as a valid gesture, we want to store this one as the
// current active recognizer. but only if we don't already have an active recognizer
if (!curRecognizer && recognizer.state & (STATE_BEGAN |
STATE_CHANGED | STATE_ENDED)) {
curRecognizer = session.curRecognizer = recognizer;
}
i++;
}
},
/**
* get a recognizer by its event name.
* @param {Recognizer|String} recognizer
* @returns {Recognizer|Null}
*/
get: function(recognizer) {
if (recognizer instanceof Recognizer) {
return recognizer;
}
var recognizers = this.recognizers;
for (var i = 0; i < recognizers.length; i++) {
if (recognizers[i].options.event == recognizer) {
return recognizers[i];
}
}
return null;
},
/**
* add a recognizer to the manager
* existing recognizers with the same event name will be removed
* @param {Recognizer} recognizer
* @returns {Recognizer|Manager}
*/
add: function(recognizer) {
if (invokeArrayArg(recognizer, 'add', this)) {
return this;
}
// remove existing
var existing = this.get(recognizer.options.event);
if (existing) {
this.remove(existing);
}
this.recognizers.push(recognizer);
recognizer.manager = this;
this.touchAction.update();
return recognizer;
},
/**
* remove a recognizer by name or instance
* @param {Recognizer|String} recognizer
* @returns {Manager}
*/
remove: function(recognizer) {
if (invokeArrayArg(recognizer, 'remove', this)) {
return this;
}
var recognizers = this.recognizers;
recognizer = this.get(recognizer);
recognizers.splice(inArray(recognizers, recognizer), 1);
this.touchAction.update();
return this;
},
/**
* bind event
* @param {String} events
* @param {Function} handler
* @returns {EventEmitter} this
*/
on: function(events, handler) {
var handlers = this.handlers;
each(splitStr(events), function(event) {
handlers[event] = handlers[event] || [];
handlers[event].push(handler);
});
return this;
},
/**
* unbind event, leave emit blank to remove all handlers
* @param {String} events
* @param {Function} [handler]
* @returns {EventEmitter} this
*/
off: function(events, handler) {
var handlers = this.handlers;
each(splitStr(events), function(event) {
if (!handler) {
delete handlers[event];
} else {
handlers[event].splice(inArray(handlers[event], handler),
1);
}
});
return this;
},
/**
* emit event to the listeners
* @param {String} event
* @param {Object} data
*/
emit: function(event, data) {
// we also want to trigger dom events
if (this.options.domEvents) {
triggerDomEvent(event, data);
}
// no handlers, so skip it all
var handlers = this.handlers[event] && this.handlers[event].slice();
if (!handlers || !handlers.length) {
return;
}
data.type = event;
data.preventDefault = function() {
data.srcEvent.preventDefault();
};
var i = 0;
while (i < handlers.length) {
handlers[i](data);
i++;
}
},
/**
* destroy the manager and unbinds all events
* it doesn't unbind dom events, that is the user own responsibility
*/
destroy: function() {
this.element && toggleCssProps(this, false);
this.handlers = {};
this.session = {};
this.input.destroy();
this.element = null;
}
};
/**
* add/remove the css properties as defined in manager.options.cssProps
* @param {Manager} manager
* @param {Boolean} add
*/
function toggleCssProps(manager, add) {
var element = manager.element;
each(manager.options.cssProps, function(value, name) {
element.style[prefixed(element.style, name)] = add ? value :
'';
});
}
/**
* trigger dom event
* @param {String} event
* @param {Object} data
*/
function triggerDomEvent(event, data) {
var gestureEvent = document.createEvent('Event');
gestureEvent.initEvent(event, true, true);
gestureEvent.gesture = data;
data.target.dispatchEvent(gestureEvent);
}
extend(Hammer, {
INPUT_START: INPUT_START,
INPUT_MOVE: INPUT_MOVE,
INPUT_END: INPUT_END,
INPUT_CANCEL: INPUT_CANCEL,
STATE_POSSIBLE: STATE_POSSIBLE,
STATE_BEGAN: STATE_BEGAN,
STATE_CHANGED: STATE_CHANGED,
STATE_ENDED: STATE_ENDED,
STATE_RECOGNIZED: STATE_RECOGNIZED,
STATE_CANCELLED: STATE_CANCELLED,
STATE_FAILED: STATE_FAILED,
DIRECTION_NONE: DIRECTION_NONE,
DIRECTION_LEFT: DIRECTION_LEFT,
DIRECTION_RIGHT: DIRECTION_RIGHT,
DIRECTION_UP: DIRECTION_UP,
DIRECTION_DOWN: DIRECTION_DOWN,
DIRECTION_HORIZONTAL: DIRECTION_HORIZONTAL,
DIRECTION_VERTICAL: DIRECTION_VERTICAL,
DIRECTION_ALL: DIRECTION_ALL,
Manager: Manager,
Input: Input,
TouchAction: TouchAction,
TouchInput: TouchInput,
MouseInput: MouseInput,
PointerEventInput: PointerEventInput,
TouchMouseInput: TouchMouseInput,
SingleTouchInput: SingleTouchInput,
Recognizer: Recognizer,
AttrRecognizer: AttrRecognizer,
Tap: TapRecognizer,
Pan: PanRecognizer,
Swipe: SwipeRecognizer,
Pinch: PinchRecognizer,
Rotate: RotateRecognizer,
Press: PressRecognizer,
on: addEventListeners,
off: removeEventListeners,
each: each,
merge: merge,
extend: extend,
inherit: inherit,
bindFn: bindFn,
prefixed: prefixed
});
// jquery.hammer.js
// This jQuery plugin is just a small wrapper around the Hammer() class.
// It also extends the Manager.emit method by triggering jQuery events.
// $(element).hammer(options).bind("pan", myPanHandler);
// The Hammer instance is stored at $element.data("hammer").
// https://github.com/hammerjs/jquery.hammer.js
(function($, Hammer) {
function hammerify(el, options) {
var $el = $(el);
if (!$el.data('hammer')) {
$el.data('hammer', new Hammer($el[0], options));
}
}
$.fn.hammer = function(options) {
return this.each(function() {
hammerify(this, options);
});
};
// extend the emit method to also trigger jQuery events
Hammer.Manager.prototype.emit = (function(originalEmit) {
return function(type, data) {
originalEmit.call(this, type, data);
$(this.element).trigger({
type: type,
gesture: data
});
};
})(Hammer.Manager.prototype.emit);
})($, Hammer);
$.AMUI.Hammer = Hammer;
module.exports = Hammer;
}).call(this, typeof global !== "undefined" ? global : typeof self !==
"undefined" ? self : typeof window !== "undefined" ? window : {})
}, {
"./core": 2
}
]
}, {}, [1]);