1477 lines
34 KiB
JavaScript
1477 lines
34 KiB
JavaScript
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.nipplejs = f()}})(function(){var define,module,exports;
|
|
'use strict';
|
|
|
|
// Constants
|
|
var isTouch = !!('ontouchstart' in window);
|
|
var isPointer = window.PointerEvent ? true : false;
|
|
var isMSPointer = window.MSPointerEvent ? true : false;
|
|
var events = {
|
|
touch: {
|
|
start: 'touchstart',
|
|
move: 'touchmove',
|
|
end: 'touchend, touchcancel'
|
|
},
|
|
mouse: {
|
|
start: 'mousedown',
|
|
move: 'mousemove',
|
|
end: 'mouseup'
|
|
},
|
|
pointer: {
|
|
start: 'pointerdown',
|
|
move: 'pointermove',
|
|
end: 'pointerup, pointercancel'
|
|
},
|
|
MSPointer: {
|
|
start: 'MSPointerDown',
|
|
move: 'MSPointerMove',
|
|
end: 'MSPointerUp'
|
|
}
|
|
};
|
|
var toBind;
|
|
var secondBind = {};
|
|
if (isPointer) {
|
|
toBind = events.pointer;
|
|
} else if (isMSPointer) {
|
|
toBind = events.MSPointer;
|
|
} else if (isTouch) {
|
|
toBind = events.touch;
|
|
secondBind = events.mouse;
|
|
} else {
|
|
toBind = events.mouse;
|
|
}
|
|
|
|
///////////////////////
|
|
/// UTILS ///
|
|
///////////////////////
|
|
|
|
var u = {};
|
|
u.distance = function (p1, p2) {
|
|
var dx = p2.x - p1.x;
|
|
var dy = p2.y - p1.y;
|
|
|
|
return Math.sqrt((dx * dx) + (dy * dy));
|
|
};
|
|
|
|
u.angle = function(p1, p2) {
|
|
var dx = p2.x - p1.x;
|
|
var dy = p2.y - p1.y;
|
|
|
|
return u.degrees(Math.atan2(dy, dx));
|
|
};
|
|
|
|
u.findCoord = function(p, d, a) {
|
|
var b = {x: 0, y: 0};
|
|
a = u.radians(a);
|
|
b.x = p.x - d * Math.cos(a);
|
|
b.y = p.y - d * Math.sin(a);
|
|
return b;
|
|
};
|
|
|
|
u.radians = function(a) {
|
|
return a * (Math.PI / 180);
|
|
};
|
|
|
|
u.degrees = function(a) {
|
|
return a * (180 / Math.PI);
|
|
};
|
|
|
|
u.bindEvt = function (el, arg, handler) {
|
|
var types = arg.split(/[ ,]+/g);
|
|
var type;
|
|
for (var i = 0; i < types.length; i += 1) {
|
|
type = types[i];
|
|
if (el.addEventListener) {
|
|
el.addEventListener(type, handler, false);
|
|
} else if (el.attachEvent) {
|
|
el.attachEvent(type, handler);
|
|
}
|
|
}
|
|
};
|
|
|
|
u.unbindEvt = function (el, arg, handler) {
|
|
var types = arg.split(/[ ,]+/g);
|
|
var type;
|
|
for (var i = 0; i < types.length; i += 1) {
|
|
type = types[i];
|
|
if (el.removeEventListener) {
|
|
el.removeEventListener(type, handler);
|
|
} else if (el.detachEvent) {
|
|
el.detachEvent(type, handler);
|
|
}
|
|
}
|
|
};
|
|
|
|
u.trigger = function (el, type, data) {
|
|
var evt = new CustomEvent(type, data);
|
|
el.dispatchEvent(evt);
|
|
};
|
|
|
|
u.prepareEvent = function (evt) {
|
|
evt.preventDefault();
|
|
return evt.type.match(/^touch/) ? evt.changedTouches : evt;
|
|
};
|
|
|
|
u.getScroll = function () {
|
|
var x = (window.pageXOffset !== undefined) ?
|
|
window.pageXOffset :
|
|
(document.documentElement || document.body.parentNode || document.body)
|
|
.scrollLeft;
|
|
|
|
var y = (window.pageYOffset !== undefined) ?
|
|
window.pageYOffset :
|
|
(document.documentElement || document.body.parentNode || document.body)
|
|
.scrollTop;
|
|
return {
|
|
x: x,
|
|
y: y
|
|
};
|
|
};
|
|
|
|
u.applyPosition = function (el, pos) {
|
|
if (pos.top || pos.right || pos.bottom || pos.left) {
|
|
el.style.top = pos.top;
|
|
el.style.right = pos.right;
|
|
el.style.bottom = pos.bottom;
|
|
el.style.left = pos.left;
|
|
} else {
|
|
el.style.left = pos.x + 'px';
|
|
el.style.top = pos.y + 'px';
|
|
}
|
|
};
|
|
|
|
u.getTransitionStyle = function (property, values, time) {
|
|
var obj = u.configStylePropertyObject(property);
|
|
for (var i in obj) {
|
|
if (obj.hasOwnProperty(i)) {
|
|
if (typeof values === 'string') {
|
|
obj[i] = values + ' ' + time;
|
|
} else {
|
|
var st = '';
|
|
for (var j = 0, max = values.length; j < max; j += 1) {
|
|
st += values[j] + ' ' + time + ', ';
|
|
}
|
|
obj[i] = st.slice(0, -2);
|
|
}
|
|
}
|
|
}
|
|
return obj;
|
|
};
|
|
|
|
u.getVendorStyle = function (property, value) {
|
|
var obj = u.configStylePropertyObject(property);
|
|
for (var i in obj) {
|
|
if (obj.hasOwnProperty(i)) {
|
|
obj[i] = value;
|
|
}
|
|
}
|
|
return obj;
|
|
};
|
|
|
|
u.configStylePropertyObject = function (prop) {
|
|
var obj = {};
|
|
obj[prop] = '';
|
|
var vendors = ['webkit', 'Moz', 'o'];
|
|
vendors.forEach(function (vendor) {
|
|
obj[vendor + prop.charAt(0).toUpperCase() + prop.slice(1)] = '';
|
|
});
|
|
return obj;
|
|
};
|
|
|
|
u.extend = function (objA, objB) {
|
|
for (var i in objB) {
|
|
if (objB.hasOwnProperty(i)) {
|
|
objA[i] = objB[i];
|
|
}
|
|
}
|
|
return objA;
|
|
};
|
|
|
|
// Overwrite only what's already present
|
|
u.safeExtend = function (objA, objB) {
|
|
var obj = {};
|
|
for (var i in objA) {
|
|
if (objA.hasOwnProperty(i) && objB.hasOwnProperty(i)) {
|
|
obj[i] = objB[i];
|
|
} else if (objA.hasOwnProperty(i)) {
|
|
obj[i] = objA[i];
|
|
}
|
|
}
|
|
return obj;
|
|
};
|
|
|
|
// Map for array or unique item.
|
|
u.map = function (ar, fn) {
|
|
if (ar.length) {
|
|
for (var i = 0, max = ar.length; i < max; i += 1) {
|
|
fn(ar[i]);
|
|
}
|
|
} else {
|
|
fn(ar);
|
|
}
|
|
};
|
|
|
|
///////////////////////
|
|
/// SUPER CLASS ///
|
|
///////////////////////
|
|
|
|
function Super () {};
|
|
|
|
// Basic event system.
|
|
Super.prototype.on = function (arg, cb) {
|
|
var self = this;
|
|
var types = arg.split(/[ ,]+/g);
|
|
var type;
|
|
self._handlers_ = self._handlers_ || {};
|
|
|
|
for (var i = 0; i < types.length; i += 1) {
|
|
type = types[i];
|
|
self._handlers_[type] = self._handlers_[type] || [];
|
|
self._handlers_[type].push(cb);
|
|
}
|
|
return self;
|
|
};
|
|
|
|
Super.prototype.off = function (type, cb) {
|
|
var self = this;
|
|
self._handlers_ = self._handlers_ || {};
|
|
|
|
if (type === undefined) {
|
|
self._handlers_ = {};
|
|
} else if (cb === undefined) {
|
|
self._handlers_[type] = null;
|
|
} else if (self._handlers_[type] &&
|
|
self._handlers_[type].indexOf(cb) >= 0) {
|
|
self._handlers_[type].splice(self._handlers_[type].indexOf(cb), 1);
|
|
}
|
|
|
|
return self;
|
|
};
|
|
|
|
Super.prototype.trigger = function (arg, data) {
|
|
var self = this;
|
|
var types = arg.split(/[ ,]+/g);
|
|
var type;
|
|
self._handlers_ = self._handlers_ || {};
|
|
|
|
for (var i = 0; i < types.length; i += 1) {
|
|
type = types[i];
|
|
if (self._handlers_[type] && self._handlers_[type].length) {
|
|
self._handlers_[type].forEach(function (handler) {
|
|
handler.call(self, {
|
|
type: type,
|
|
target: self
|
|
}, data);
|
|
});
|
|
}
|
|
}
|
|
};
|
|
|
|
// Configuration
|
|
Super.prototype.config = function (options) {
|
|
var self = this;
|
|
self.options = self.defaults || {};
|
|
if (options) {
|
|
self.options = u.safeExtend(self.options, options);
|
|
}
|
|
};
|
|
|
|
// Bind internal events.
|
|
Super.prototype.bindEvt = function (el, type) {
|
|
var self = this;
|
|
self._domHandlers_ = self._domHandlers_ || {};
|
|
|
|
self._domHandlers_[type] = function () {
|
|
if (typeof self['on' + type] === 'function') {
|
|
self['on' + type].apply(self, arguments);
|
|
} else {
|
|
console.warn('[WARNING] : Missing "on' + type + '" handler.');
|
|
}
|
|
};
|
|
|
|
u.bindEvt(el, toBind[type], self._domHandlers_[type]);
|
|
|
|
if (secondBind[type]) {
|
|
// Support for both touch and mouse at the same time.
|
|
u.bindEvt(el, secondBind[type], self._domHandlers_[type]);
|
|
}
|
|
|
|
return self;
|
|
};
|
|
|
|
// Unbind dom events.
|
|
Super.prototype.unbindEvt = function (el, type) {
|
|
var self = this;
|
|
self._domHandlers_ = self._domHandlers_ || {};
|
|
|
|
u.unbindEvt(el, toBind[type], self._domHandlers_[type]);
|
|
|
|
if (secondBind[type]) {
|
|
// Support for both touch and mouse at the same time.
|
|
u.unbindEvt(el, secondBind[type], self._domHandlers_[type]);
|
|
}
|
|
|
|
delete self._domHandlers_[type];
|
|
|
|
return this;
|
|
};
|
|
|
|
///////////////////////
|
|
/// THE NIPPLE ///
|
|
///////////////////////
|
|
|
|
function Nipple (collection, options) {
|
|
this.identifier = options.identifier;
|
|
this.position = options.position;
|
|
this.frontPosition = options.frontPosition;
|
|
this.collection = collection;
|
|
|
|
// Defaults
|
|
this.defaults = {
|
|
size: 100,
|
|
threshold: 0.1,
|
|
color: 'white',
|
|
fadeTime: 250,
|
|
dataOnly: false,
|
|
restJoystick: true,
|
|
restOpacity: 0.5,
|
|
mode: 'dynamic',
|
|
zone: document.body,
|
|
lockX: false,
|
|
lockY: false
|
|
};
|
|
|
|
this.config(options);
|
|
|
|
// Overwrites
|
|
if (this.options.mode === 'dynamic') {
|
|
this.options.restOpacity = 0;
|
|
}
|
|
|
|
this.id = Nipple.id;
|
|
Nipple.id += 1;
|
|
this.buildEl()
|
|
.stylize();
|
|
|
|
// Nipple's API.
|
|
this.instance = {
|
|
el: this.ui.el,
|
|
on: this.on.bind(this),
|
|
off: this.off.bind(this),
|
|
show: this.show.bind(this),
|
|
hide: this.hide.bind(this),
|
|
add: this.addToDom.bind(this),
|
|
remove: this.removeFromDom.bind(this),
|
|
destroy: this.destroy.bind(this),
|
|
resetDirection: this.resetDirection.bind(this),
|
|
computeDirection: this.computeDirection.bind(this),
|
|
trigger: this.trigger.bind(this),
|
|
position: this.position,
|
|
frontPosition: this.frontPosition,
|
|
ui: this.ui,
|
|
identifier: this.identifier,
|
|
id: this.id,
|
|
options: this.options
|
|
};
|
|
|
|
return this.instance;
|
|
};
|
|
|
|
Nipple.prototype = new Super();
|
|
Nipple.constructor = Nipple;
|
|
Nipple.id = 0;
|
|
|
|
// Build the dom element of the Nipple instance.
|
|
Nipple.prototype.buildEl = function (options) {
|
|
this.ui = {};
|
|
|
|
if (this.options.dataOnly) {
|
|
return this;
|
|
}
|
|
|
|
this.ui.el = document.createElement('div');
|
|
this.ui.back = document.createElement('div');
|
|
this.ui.front = document.createElement('div');
|
|
|
|
this.ui.el.className = 'nipple collection_' + this.collection.id;
|
|
this.ui.back.className = 'back';
|
|
this.ui.front.className = 'front';
|
|
|
|
this.ui.el.setAttribute('id', 'nipple_' + this.collection.id +
|
|
'_' + this.id);
|
|
|
|
this.ui.el.appendChild(this.ui.back);
|
|
this.ui.el.appendChild(this.ui.front);
|
|
|
|
return this;
|
|
};
|
|
|
|
// Apply CSS to the Nipple instance.
|
|
Nipple.prototype.stylize = function () {
|
|
if (this.options.dataOnly) {
|
|
return this;
|
|
}
|
|
var animTime = this.options.fadeTime + 'ms';
|
|
var borderStyle = u.getVendorStyle('borderRadius', '50%');
|
|
var transitStyle = u.getTransitionStyle('transition', 'opacity', animTime);
|
|
var styles = {};
|
|
styles.el = {
|
|
position: 'absolute',
|
|
opacity: this.options.restOpacity,
|
|
display: 'block',
|
|
'zIndex': 999
|
|
};
|
|
|
|
styles.back = {
|
|
position: 'absolute',
|
|
display: 'block',
|
|
width: this.options.size + 'px',
|
|
height: this.options.size + 'px',
|
|
marginLeft: -this.options.size / 2 + 'px',
|
|
marginTop: -this.options.size / 2 + 'px',
|
|
background: this.options.color,
|
|
// 'opacity': '.5'
|
|
'opacity': '0'
|
|
};
|
|
|
|
styles.front = {
|
|
width: this.options.size / 2 + 'px',
|
|
height: this.options.size / 2 + 'px',
|
|
position: 'absolute',
|
|
display: 'block',
|
|
marginLeft: -this.options.size / 4 + 'px',
|
|
marginTop: -this.options.size / 4 + 'px',
|
|
background: this.options.color,
|
|
// 'opacity': '.5'
|
|
'opacity': '.25'
|
|
};
|
|
|
|
u.extend(styles.el, transitStyle);
|
|
u.extend(styles.back, borderStyle);
|
|
u.extend(styles.front, borderStyle);
|
|
|
|
this.applyStyles(styles);
|
|
|
|
return this;
|
|
};
|
|
|
|
Nipple.prototype.applyStyles = function (styles) {
|
|
// Apply styles
|
|
for (var i in this.ui) {
|
|
if (this.ui.hasOwnProperty(i)) {
|
|
for (var j in styles[i]) {
|
|
this.ui[i].style[j] = styles[i][j];
|
|
}
|
|
}
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
// Inject the Nipple instance into DOM.
|
|
Nipple.prototype.addToDom = function () {
|
|
// We're not adding it if we're dataOnly or already in dom.
|
|
if (this.options.dataOnly || document.body.contains(this.ui.el)) {
|
|
return this;
|
|
}
|
|
this.options.zone.appendChild(this.ui.el);
|
|
return this;
|
|
};
|
|
|
|
// Remove the Nipple instance from DOM.
|
|
Nipple.prototype.removeFromDom = function () {
|
|
if (this.options.dataOnly || !document.body.contains(this.ui.el)) {
|
|
return this;
|
|
}
|
|
this.options.zone.removeChild(this.ui.el);
|
|
return this;
|
|
};
|
|
|
|
// Entirely destroy this nipple
|
|
Nipple.prototype.destroy = function () {
|
|
clearTimeout(this.removeTimeout);
|
|
clearTimeout(this.showTimeout);
|
|
clearTimeout(this.restTimeout);
|
|
this.trigger('destroyed', this.instance);
|
|
this.removeFromDom();
|
|
this.off();
|
|
};
|
|
|
|
// Fade in the Nipple instance.
|
|
Nipple.prototype.show = function (cb) {
|
|
var self = this;
|
|
|
|
if (self.options.dataOnly) {
|
|
return self;
|
|
}
|
|
|
|
clearTimeout(self.removeTimeout);
|
|
clearTimeout(self.showTimeout);
|
|
clearTimeout(self.restTimeout);
|
|
|
|
self.addToDom();
|
|
|
|
self.restCallback();
|
|
|
|
setTimeout(function () {
|
|
self.ui.el.style.opacity = 1;
|
|
}, 0);
|
|
|
|
self.showTimeout = setTimeout(function () {
|
|
self.trigger('shown', self.instance);
|
|
if (typeof cb === 'function') {
|
|
cb.call(this);
|
|
}
|
|
}, self.options.fadeTime);
|
|
|
|
return self;
|
|
};
|
|
|
|
// Fade out the Nipple instance.
|
|
Nipple.prototype.hide = function (cb) {
|
|
var self = this;
|
|
|
|
if (self.options.dataOnly) {
|
|
return self;
|
|
}
|
|
|
|
self.ui.el.style.opacity = self.options.restOpacity;
|
|
|
|
clearTimeout(self.removeTimeout);
|
|
clearTimeout(self.showTimeout);
|
|
clearTimeout(self.restTimeout);
|
|
|
|
self.removeTimeout = setTimeout(
|
|
function () {
|
|
var display = self.options.mode === 'dynamic' ? 'none' : 'block';
|
|
self.ui.el.style.display = display;
|
|
if (typeof cb === 'function') {
|
|
cb.call(self);
|
|
}
|
|
|
|
self.trigger('hidden', self.instance);
|
|
},
|
|
self.options.fadeTime
|
|
);
|
|
if (self.options.restJoystick) {
|
|
self.restPosition();
|
|
}
|
|
|
|
return self;
|
|
};
|
|
|
|
Nipple.prototype.restPosition = function (cb) {
|
|
var self = this;
|
|
self.frontPosition = {
|
|
x: 0,
|
|
y: 0
|
|
};
|
|
var animTime = self.options.fadeTime + 'ms';
|
|
|
|
var transitStyle = {};
|
|
transitStyle.front = u.getTransitionStyle('transition',
|
|
['top', 'left'], animTime);
|
|
|
|
var styles = {front: {}};
|
|
styles.front = {
|
|
left: self.frontPosition.x + 'px',
|
|
top: self.frontPosition.y + 'px'
|
|
};
|
|
|
|
self.applyStyles(transitStyle);
|
|
self.applyStyles(styles);
|
|
|
|
self.restTimeout = setTimeout(
|
|
function () {
|
|
if (typeof cb === 'function') {
|
|
cb.call(self);
|
|
}
|
|
self.restCallback();
|
|
},
|
|
self.options.fadeTime
|
|
);
|
|
};
|
|
|
|
Nipple.prototype.restCallback = function () {
|
|
var self = this;
|
|
var transitStyle = {};
|
|
transitStyle.front = u.getTransitionStyle('transition', 'none', '');
|
|
self.applyStyles(transitStyle);
|
|
self.trigger('rested', self.instance);
|
|
};
|
|
|
|
Nipple.prototype.resetDirection = function () {
|
|
// Fully rebuild the object to let the iteration possible.
|
|
this.direction = {
|
|
x: false,
|
|
y: false,
|
|
angle: false
|
|
};
|
|
};
|
|
|
|
Nipple.prototype.computeDirection = function (obj) {
|
|
var rAngle = obj.angle.radian;
|
|
var angle45 = Math.PI / 4;
|
|
var angle90 = Math.PI / 2;
|
|
var direction, directionX, directionY;
|
|
|
|
// Angular direction
|
|
// \ UP /
|
|
// \ /
|
|
// LEFT RIGHT
|
|
// / \
|
|
// /DOWN \
|
|
//
|
|
if (
|
|
rAngle > angle45 &&
|
|
rAngle < (angle45 * 3) &&
|
|
!obj.lockX
|
|
) {
|
|
direction = 'up';
|
|
} else if (
|
|
rAngle > -angle45 &&
|
|
rAngle <= angle45 &&
|
|
!obj.lockY
|
|
) {
|
|
direction = 'left';
|
|
} else if (
|
|
rAngle > (-angle45 * 3) &&
|
|
rAngle <= -angle45 &&
|
|
!obj.lockX
|
|
) {
|
|
direction = 'down';
|
|
} else if (!obj.lockY) {
|
|
direction = 'right';
|
|
}
|
|
|
|
// Plain direction
|
|
// UP |
|
|
// _______ | RIGHT
|
|
// LEFT |
|
|
// DOWN |
|
|
if (!obj.lockY) {
|
|
if (rAngle > -angle90 && rAngle < angle90) {
|
|
directionX = 'left';
|
|
} else {
|
|
directionX = 'right';
|
|
}
|
|
}
|
|
|
|
if (!obj.lockX) {
|
|
if (rAngle > 0) {
|
|
directionY = 'up';
|
|
} else {
|
|
directionY = 'down';
|
|
}
|
|
}
|
|
|
|
if (obj.force > this.options.threshold) {
|
|
var oldDirection = {};
|
|
for (var i in this.direction) {
|
|
if (this.direction.hasOwnProperty(i)) {
|
|
oldDirection[i] = this.direction[i];
|
|
}
|
|
}
|
|
|
|
var same = {};
|
|
|
|
this.direction = {
|
|
x: directionX,
|
|
y: directionY,
|
|
angle: direction
|
|
};
|
|
|
|
obj.direction = this.direction;
|
|
|
|
for (var i in oldDirection) {
|
|
if (oldDirection[i] === this.direction[i]) {
|
|
same[i] = true;
|
|
}
|
|
}
|
|
|
|
// If all 3 directions are the same, we don't trigger anything.
|
|
if (same.x && same.y && same.angle) {
|
|
return obj;
|
|
}
|
|
|
|
if (!same.x || !same.y) {
|
|
this.trigger('plain', obj);
|
|
}
|
|
|
|
if (!same.x) {
|
|
this.trigger('plain:' + directionX, obj);
|
|
}
|
|
|
|
if (!same.y) {
|
|
this.trigger('plain:' + directionY, obj);
|
|
}
|
|
|
|
if (!same.angle) {
|
|
this.trigger('dir dir:' + direction, obj);
|
|
}
|
|
}
|
|
return obj;
|
|
};
|
|
|
|
/* global Nipple, Super */
|
|
|
|
///////////////////////////
|
|
/// THE COLLECTION ///
|
|
///////////////////////////
|
|
|
|
function Collection (manager, options) {
|
|
var self = this;
|
|
self.nipples = [];
|
|
self.idles = [];
|
|
self.actives = [];
|
|
self.ids = [];
|
|
self.pressureIntervals = {};
|
|
self.manager = manager;
|
|
self.id = Collection.id;
|
|
Collection.id += 1;
|
|
|
|
// Defaults
|
|
self.defaults = {
|
|
zone: document.body,
|
|
multitouch: false,
|
|
maxNumberOfNipples: 10,
|
|
mode: 'dynamic',
|
|
position: {top: 0, left: 0},
|
|
catchDistance: 200,
|
|
size: 100,
|
|
threshold: 0.1,
|
|
color: 'white',
|
|
fadeTime: 250,
|
|
dataOnly: false,
|
|
restJoystick: true,
|
|
restOpacity: 0.5,
|
|
lockX: false,
|
|
lockY: false
|
|
};
|
|
|
|
self.config(options);
|
|
|
|
// Overwrites
|
|
if (self.options.mode === 'static' || self.options.mode === 'semi') {
|
|
self.options.multitouch = false;
|
|
}
|
|
|
|
if (!self.options.multitouch) {
|
|
self.options.maxNumberOfNipples = 1;
|
|
}
|
|
|
|
self.updateBox();
|
|
self.prepareNipples();
|
|
self.bindings();
|
|
self.begin();
|
|
|
|
return self.nipples;
|
|
}
|
|
|
|
Collection.prototype = new Super();
|
|
Collection.constructor = Collection;
|
|
Collection.id = 0;
|
|
|
|
Collection.prototype.prepareNipples = function () {
|
|
var self = this;
|
|
var nips = self.nipples;
|
|
|
|
// Public API Preparation.
|
|
nips.on = self.on.bind(self);
|
|
nips.off = self.off.bind(self);
|
|
nips.options = self.options;
|
|
nips.destroy = self.destroy.bind(self);
|
|
nips.ids = self.ids;
|
|
nips.id = self.id;
|
|
nips.processOnMove = self.processOnMove.bind(self);
|
|
nips.processOnEnd = self.processOnEnd.bind(self);
|
|
nips.get = function (id) {
|
|
if (id === undefined) {
|
|
return nips[0];
|
|
}
|
|
for (var i = 0, max = nips.length; i < max; i += 1) {
|
|
if (nips[i].identifier === id) {
|
|
return nips[i];
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
};
|
|
|
|
Collection.prototype.bindings = function () {
|
|
var self = this;
|
|
// Touch start event.
|
|
self.bindEvt(self.options.zone, 'start');
|
|
// Avoid native touch actions (scroll, zoom etc...) on the zone.
|
|
self.options.zone.style.touchAction = 'none';
|
|
self.options.zone.style.msTouchAction = 'none';
|
|
};
|
|
|
|
Collection.prototype.begin = function () {
|
|
var self = this;
|
|
var opts = self.options;
|
|
|
|
// We place our static nipple
|
|
// if needed.
|
|
if (opts.mode === 'static') {
|
|
var nipple = self.createNipple(
|
|
opts.position,
|
|
self.manager.getIdentifier()
|
|
);
|
|
// Add it to the dom.
|
|
nipple.add();
|
|
// Store it in idles.
|
|
self.idles.push(nipple);
|
|
}
|
|
};
|
|
|
|
// Nipple Factory
|
|
Collection.prototype.createNipple = function (position, identifier) {
|
|
var self = this;
|
|
var scroll = u.getScroll();
|
|
var toPutOn = {};
|
|
var opts = self.options;
|
|
|
|
if (position.x && position.y) {
|
|
toPutOn = {
|
|
x: position.x -
|
|
(scroll.x + self.box.left),
|
|
y: position.y -
|
|
(scroll.y + self.box.top)
|
|
};
|
|
} else if (
|
|
position.top ||
|
|
position.right ||
|
|
position.bottom ||
|
|
position.left
|
|
) {
|
|
|
|
// We need to compute the position X / Y of the joystick.
|
|
var dumb = document.createElement('DIV');
|
|
dumb.style.display = 'hidden';
|
|
dumb.style.top = position.top;
|
|
dumb.style.right = position.right;
|
|
dumb.style.bottom = position.bottom;
|
|
dumb.style.left = position.left;
|
|
dumb.style.position = 'absolute';
|
|
|
|
opts.zone.appendChild(dumb);
|
|
var dumbBox = dumb.getBoundingClientRect();
|
|
opts.zone.removeChild(dumb);
|
|
|
|
toPutOn = position;
|
|
position = {
|
|
x: dumbBox.left + scroll.x,
|
|
y: dumbBox.top + scroll.y
|
|
};
|
|
}
|
|
|
|
var nipple = new Nipple(self, {
|
|
color: opts.color,
|
|
size: opts.size,
|
|
threshold: opts.threshold,
|
|
fadeTime: opts.fadeTime,
|
|
dataOnly: opts.dataOnly,
|
|
restJoystick: opts.restJoystick,
|
|
restOpacity: opts.restOpacity,
|
|
mode: opts.mode,
|
|
identifier: identifier,
|
|
position: position,
|
|
zone: opts.zone,
|
|
frontPosition: {
|
|
x: 0,
|
|
y: 0
|
|
}
|
|
});
|
|
|
|
if (!opts.dataOnly) {
|
|
u.applyPosition(nipple.ui.el, toPutOn);
|
|
u.applyPosition(nipple.ui.front, nipple.frontPosition);
|
|
}
|
|
self.nipples.push(nipple);
|
|
self.trigger('added ' + nipple.identifier + ':added', nipple);
|
|
self.manager.trigger('added ' + nipple.identifier + ':added', nipple);
|
|
|
|
self.bindNipple(nipple);
|
|
|
|
return nipple;
|
|
};
|
|
|
|
Collection.prototype.updateBox = function () {
|
|
var self = this;
|
|
self.box = self.options.zone.getBoundingClientRect();
|
|
};
|
|
|
|
Collection.prototype.bindNipple = function (nipple) {
|
|
var self = this;
|
|
var type;
|
|
// Bubble up identified events.
|
|
var handler = function (evt, data) {
|
|
// Identify the event type with the nipple's id.
|
|
type = evt.type + ' ' + data.id + ':' + evt.type;
|
|
self.trigger(type, data);
|
|
};
|
|
|
|
// When it gets destroyed.
|
|
nipple.on('destroyed', self.onDestroyed.bind(self));
|
|
|
|
// Other events that will get bubbled up.
|
|
nipple.on('shown hidden rested dir plain', handler);
|
|
nipple.on('dir:up dir:right dir:down dir:left', handler);
|
|
nipple.on('plain:up plain:right plain:down plain:left', handler);
|
|
};
|
|
|
|
Collection.prototype.pressureFn = function (touch, nipple, identifier) {
|
|
var self = this;
|
|
var previousPressure = 0;
|
|
clearInterval(self.pressureIntervals[identifier]);
|
|
// Create an interval that will read the pressure every 100ms
|
|
self.pressureIntervals[identifier] = setInterval(function () {
|
|
var pressure = touch.force || touch.pressure ||
|
|
touch.webkitForce || 0;
|
|
if (pressure !== previousPressure) {
|
|
nipple.trigger('pressure', pressure);
|
|
self.trigger('pressure ' +
|
|
nipple.identifier + ':pressure', pressure);
|
|
previousPressure = pressure;
|
|
}
|
|
}.bind(self), 100);
|
|
};
|
|
|
|
Collection.prototype.onstart = function (evt) {
|
|
var self = this;
|
|
var opts = self.options;
|
|
evt = u.prepareEvent(evt);
|
|
|
|
// Update the box position
|
|
self.updateBox();
|
|
|
|
var process = function (touch) {
|
|
// If we can create new nipples
|
|
// meaning we don't have more active nipples than we should.
|
|
if (self.actives.length < opts.maxNumberOfNipples) {
|
|
self.processOnStart(touch);
|
|
}
|
|
};
|
|
|
|
u.map(evt, process);
|
|
|
|
// We ask upstream to bind the document
|
|
// on 'move' and 'end'
|
|
self.manager.bindDocument();
|
|
return false;
|
|
};
|
|
|
|
Collection.prototype.processOnStart = function (evt) {
|
|
var self = this;
|
|
var opts = self.options;
|
|
var indexInIdles;
|
|
var identifier = self.manager.getIdentifier(evt);
|
|
var pressure = evt.force || evt.pressure || evt.webkitForce || 0;
|
|
var position = {
|
|
x: evt.pageX,
|
|
y: evt.pageY
|
|
};
|
|
|
|
var nipple = self.getOrCreate(identifier, position);
|
|
|
|
// Update its touch identifier
|
|
if (nipple.identifier !== identifier) {
|
|
self.manager.removeIdentifier(nipple.identifier);
|
|
}
|
|
nipple.identifier = identifier;
|
|
|
|
var process = function (nip) {
|
|
// Trigger the start.
|
|
nip.trigger('start', nip);
|
|
self.trigger('start ' + nip.id + ':start', nip);
|
|
|
|
nip.show();
|
|
if (pressure > 0) {
|
|
self.pressureFn(evt, nip, nip.identifier);
|
|
}
|
|
// Trigger the first move event.
|
|
self.processOnMove(evt);
|
|
};
|
|
|
|
// Transfer it from idles to actives.
|
|
if ((indexInIdles = self.idles.indexOf(nipple)) >= 0) {
|
|
self.idles.splice(indexInIdles, 1);
|
|
}
|
|
|
|
// Store the nipple in the actives array
|
|
self.actives.push(nipple);
|
|
self.ids.push(nipple.identifier);
|
|
|
|
if (opts.mode !== 'semi') {
|
|
process(nipple);
|
|
} else {
|
|
// In semi we check the distance of the touch
|
|
// to decide if we have to reset the nipple
|
|
var distance = u.distance(position, nipple.position);
|
|
if (distance <= opts.catchDistance) {
|
|
process(nipple);
|
|
} else {
|
|
nipple.destroy();
|
|
self.processOnStart(evt);
|
|
return;
|
|
}
|
|
}
|
|
|
|
return nipple;
|
|
};
|
|
|
|
Collection.prototype.getOrCreate = function (identifier, position) {
|
|
var self = this;
|
|
var opts = self.options;
|
|
var nipple;
|
|
|
|
// If we're in static or semi, we might already have an active.
|
|
if (/(semi|static)/.test(opts.mode)) {
|
|
// Get the active one.
|
|
// TODO: Multi-touche for semi and static will start here.
|
|
// Return the nearest one.
|
|
nipple = self.idles[0];
|
|
if (nipple) {
|
|
self.idles.splice(0, 1);
|
|
return nipple;
|
|
}
|
|
|
|
if (opts.mode === 'semi') {
|
|
// If we're in semi mode, we need to create one.
|
|
return self.createNipple(position, identifier);
|
|
}
|
|
|
|
console.warn('Coudln\'t find the needed nipple.');
|
|
return false;
|
|
}
|
|
// In dynamic, we create a new one.
|
|
nipple = self.createNipple(position, identifier);
|
|
return nipple;
|
|
};
|
|
|
|
Collection.prototype.processOnMove = function (evt) {
|
|
var self = this;
|
|
var opts = self.options;
|
|
var identifier = self.manager.getIdentifier(evt);
|
|
var nipple = self.nipples.get(identifier);
|
|
|
|
if (!nipple) {
|
|
// This is here just for safety.
|
|
// It shouldn't happen.
|
|
console.error('Found zombie joystick with ID ' + identifier);
|
|
self.manager.removeIdentifier(identifier);
|
|
return;
|
|
}
|
|
|
|
nipple.identifier = identifier;
|
|
|
|
var size = nipple.options.size / 2;
|
|
var pos = {
|
|
x: evt.pageX,
|
|
y: evt.pageY
|
|
};
|
|
|
|
var dist = u.distance(pos, nipple.position);
|
|
var angle = u.angle(pos, nipple.position);
|
|
var rAngle = u.radians(angle);
|
|
var force = dist / size;
|
|
|
|
// If distance is bigger than nipple's size
|
|
// we clamp the position.
|
|
if (dist > size) {
|
|
dist = size;
|
|
pos = u.findCoord(nipple.position, dist, angle);
|
|
}
|
|
|
|
var xPosition = pos.x - nipple.position.x
|
|
var yPosition = pos.y - nipple.position.y
|
|
|
|
if (opts.lockX){
|
|
yPosition = 0
|
|
}
|
|
if (opts.lockY) {
|
|
xPosition = 0
|
|
}
|
|
|
|
nipple.frontPosition = {
|
|
x: xPosition,
|
|
y: yPosition
|
|
};
|
|
|
|
if (!opts.dataOnly) {
|
|
u.applyPosition(nipple.ui.front, nipple.frontPosition);
|
|
}
|
|
|
|
// Prepare event's datas.
|
|
var toSend = {
|
|
identifier: nipple.identifier,
|
|
position: pos,
|
|
force: force,
|
|
pressure: evt.force || evt.pressure || evt.webkitForce || 0,
|
|
distance: dist,
|
|
angle: {
|
|
radian: rAngle,
|
|
degree: angle
|
|
},
|
|
instance: nipple,
|
|
lockX: opts.lockX,
|
|
lockY: opts.lockY
|
|
};
|
|
|
|
// Compute the direction's datas.
|
|
toSend = nipple.computeDirection(toSend);
|
|
|
|
// Offset angles to follow units circle.
|
|
toSend.angle = {
|
|
radian: u.radians(180 - angle),
|
|
degree: 180 - angle
|
|
};
|
|
|
|
// Send everything to everyone.
|
|
nipple.trigger('move', toSend);
|
|
self.trigger('move ' + nipple.id + ':move', toSend);
|
|
};
|
|
|
|
Collection.prototype.processOnEnd = function (evt) {
|
|
var self = this;
|
|
var opts = self.options;
|
|
var identifier = self.manager.getIdentifier(evt);
|
|
var nipple = self.nipples.get(identifier);
|
|
var removedIdentifier = self.manager.removeIdentifier(nipple.identifier);
|
|
|
|
if (!nipple) {
|
|
return;
|
|
}
|
|
|
|
if (!opts.dataOnly) {
|
|
nipple.hide(function () {
|
|
if (opts.mode === 'dynamic') {
|
|
nipple.trigger('removed', nipple);
|
|
self.trigger('removed ' + nipple.id + ':removed', nipple);
|
|
self.manager
|
|
.trigger('removed ' + nipple.id + ':removed', nipple);
|
|
nipple.destroy();
|
|
}
|
|
});
|
|
}
|
|
|
|
// Clear the pressure interval reader
|
|
clearInterval(self.pressureIntervals[nipple.identifier]);
|
|
|
|
// Reset the direciton of the nipple, to be able to trigger a new direction
|
|
// on start.
|
|
nipple.resetDirection();
|
|
|
|
nipple.trigger('end', nipple);
|
|
self.trigger('end ' + nipple.id + ':end', nipple);
|
|
|
|
// Remove identifier from our bank.
|
|
if (self.ids.indexOf(nipple.identifier) >= 0) {
|
|
self.ids.splice(self.ids.indexOf(nipple.identifier), 1);
|
|
}
|
|
|
|
// Clean our actives array.
|
|
if (self.actives.indexOf(nipple) >= 0) {
|
|
self.actives.splice(self.actives.indexOf(nipple), 1);
|
|
}
|
|
|
|
if (/(semi|static)/.test(opts.mode)) {
|
|
// Transfer nipple from actives to idles
|
|
// if we're in semi or static mode.
|
|
self.idles.push(nipple);
|
|
} else if (self.nipples.indexOf(nipple) >= 0) {
|
|
// Only if we're not in semi or static mode
|
|
// we can remove the instance.
|
|
self.nipples.splice(self.nipples.indexOf(nipple), 1);
|
|
}
|
|
|
|
// We unbind move and end.
|
|
self.manager.unbindDocument();
|
|
|
|
// We add back the identifier of the idle nipple;
|
|
if (/(semi|static)/.test(opts.mode)) {
|
|
self.manager.ids[removedIdentifier.id] = removedIdentifier.identifier;
|
|
}
|
|
};
|
|
|
|
// Remove destroyed nipple from the lists
|
|
Collection.prototype.onDestroyed = function(evt, nipple) {
|
|
var self = this;
|
|
if (self.nipples.indexOf(nipple) >= 0) {
|
|
self.nipples.splice(self.nipples.indexOf(nipple), 1);
|
|
}
|
|
if (self.actives.indexOf(nipple) >= 0) {
|
|
self.actives.splice(self.actives.indexOf(nipple), 1);
|
|
}
|
|
if (self.idles.indexOf(nipple) >= 0) {
|
|
self.idles.splice(self.idles.indexOf(nipple), 1);
|
|
}
|
|
if (self.ids.indexOf(nipple.identifier) >= 0) {
|
|
self.ids.splice(self.ids.indexOf(nipple.identifier), 1);
|
|
}
|
|
|
|
// Remove the identifier from our bank
|
|
self.manager.removeIdentifier(nipple.identifier);
|
|
|
|
// We unbind move and end.
|
|
self.manager.unbindDocument();
|
|
};
|
|
|
|
// Cleanly destroy the manager
|
|
Collection.prototype.destroy = function () {
|
|
var self = this;
|
|
self.unbindEvt(self.options.zone, 'start');
|
|
|
|
// Destroy nipples.
|
|
self.nipples.forEach(function(nipple) {
|
|
nipple.destroy();
|
|
});
|
|
|
|
// Clean 3DTouch intervals.
|
|
for (var i in self.pressureIntervals) {
|
|
if (self.pressureIntervals.hasOwnProperty(i)) {
|
|
clearInterval(self.pressureIntervals[i]);
|
|
}
|
|
}
|
|
|
|
// Notify the manager passing the instance
|
|
self.trigger('destroyed', self.nipples);
|
|
// We unbind move and end.
|
|
self.manager.unbindDocument();
|
|
// Unbind everything.
|
|
self.off();
|
|
};
|
|
|
|
/* global u, Super, Collection */
|
|
|
|
///////////////////////
|
|
/// MANAGER ///
|
|
///////////////////////
|
|
|
|
function Manager (options) {
|
|
var self = this;
|
|
self.ids = {};
|
|
self.index = 0;
|
|
self.collections = [];
|
|
|
|
self.config(options);
|
|
self.prepareCollections();
|
|
|
|
// Listen for resize, to reposition every joysticks
|
|
var resizeTimer;
|
|
u.bindEvt(window, 'resize', function (evt) {
|
|
clearTimeout(resizeTimer);
|
|
resizeTimer = setTimeout(function () {
|
|
var pos;
|
|
var scroll = u.getScroll();
|
|
self.collections.forEach(function (collection) {
|
|
collection.forEach(function (nipple) {
|
|
pos = nipple.el.getBoundingClientRect();
|
|
nipple.position = {
|
|
x: scroll.x + pos.left,
|
|
y: scroll.y + pos.top
|
|
};
|
|
});
|
|
});
|
|
}, 100);
|
|
});
|
|
|
|
return self.collections;
|
|
};
|
|
|
|
Manager.prototype = new Super();
|
|
Manager.constructor = Manager;
|
|
|
|
Manager.prototype.prepareCollections = function () {
|
|
var self = this;
|
|
// Public API Preparation.
|
|
self.collections.create = self.create.bind(self);
|
|
// Listen to anything
|
|
self.collections.on = self.on.bind(self);
|
|
// Unbind general events
|
|
self.collections.off = self.off.bind(self);
|
|
// Destroy everything
|
|
self.collections.destroy = self.destroy.bind(self);
|
|
// Get any nipple
|
|
self.collections.get = function (id) {
|
|
var nipple;
|
|
self.collections.every(function (collection) {
|
|
if (nipple = collection.get(id)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
});
|
|
return nipple;
|
|
};
|
|
};
|
|
|
|
Manager.prototype.create = function (options) {
|
|
return this.createCollection(options);
|
|
};
|
|
|
|
// Collection Factory
|
|
Manager.prototype.createCollection = function (options) {
|
|
var self = this;
|
|
var collection = new Collection(self, options);
|
|
|
|
self.bindCollection(collection);
|
|
self.collections.push(collection);
|
|
|
|
return collection;
|
|
};
|
|
|
|
Manager.prototype.bindCollection = function (collection) {
|
|
var self = this;
|
|
var type;
|
|
// Bubble up identified events.
|
|
var handler = function (evt, data) {
|
|
// Identify the event type with the nipple's identifier.
|
|
type = evt.type + ' ' + data.id + ':' + evt.type;
|
|
self.trigger(type, data);
|
|
};
|
|
|
|
// When it gets destroyed we clean.
|
|
collection.on('destroyed', self.onDestroyed.bind(self));
|
|
|
|
// Other events that will get bubbled up.
|
|
collection.on('shown hidden rested dir plain', handler);
|
|
collection.on('dir:up dir:right dir:down dir:left', handler);
|
|
collection.on('plain:up plain:right plain:down plain:left', handler);
|
|
};
|
|
|
|
Manager.prototype.bindDocument = function () {
|
|
var self = this;
|
|
// Bind only if not already binded
|
|
if (!self.binded) {
|
|
self.bindEvt(document, 'move')
|
|
.bindEvt(document, 'end');
|
|
self.binded = true;
|
|
}
|
|
};
|
|
|
|
Manager.prototype.unbindDocument = function (force) {
|
|
var self = this;
|
|
// If there are no touch left
|
|
// unbind the document.
|
|
if (!Object.keys(self.ids).length || force === true) {
|
|
self.unbindEvt(document, 'move')
|
|
.unbindEvt(document, 'end');
|
|
self.binded = false;
|
|
}
|
|
};
|
|
|
|
Manager.prototype.getIdentifier = function (evt) {
|
|
var id;
|
|
// If no event, simple increment
|
|
if (!evt) {
|
|
id = this.index;
|
|
} else {
|
|
// Extract identifier from event object.
|
|
// Unavailable in mouse events so replaced by latest increment.
|
|
id = evt.identifier === undefined ? evt.pointerId : evt.identifier;
|
|
if (id === undefined) {
|
|
id = this.latest || 0;
|
|
}
|
|
}
|
|
|
|
if (this.ids[id] === undefined) {
|
|
this.ids[id] = this.index;
|
|
this.index += 1;
|
|
}
|
|
|
|
// Keep the latest id used in case we're using an unidentified mouseEvent
|
|
this.latest = id;
|
|
return this.ids[id];
|
|
};
|
|
|
|
Manager.prototype.removeIdentifier = function (identifier) {
|
|
var removed = {};
|
|
for (var id in this.ids) {
|
|
if (this.ids[id] === identifier) {
|
|
removed.id = id;
|
|
removed.identifier = this.ids[id];
|
|
delete this.ids[id];
|
|
break;
|
|
}
|
|
}
|
|
return removed;
|
|
};
|
|
|
|
Manager.prototype.onmove = function (evt) {
|
|
var self = this;
|
|
self.onAny('move', evt);
|
|
return false;
|
|
};
|
|
|
|
Manager.prototype.onend = function (evt) {
|
|
var self = this;
|
|
self.onAny('end', evt);
|
|
return false;
|
|
};
|
|
|
|
Manager.prototype.oncancel = function (evt) {
|
|
var self = this;
|
|
self.onAny('end', evt);
|
|
return false;
|
|
};
|
|
|
|
Manager.prototype.onAny = function (which, evt) {
|
|
var self = this;
|
|
var id;
|
|
var processFn = 'processOn' + which.charAt(0).toUpperCase() +
|
|
which.slice(1);
|
|
evt = u.prepareEvent(evt);
|
|
var processColl = function (e, id, coll) {
|
|
if (coll.ids.indexOf(id) >= 0) {
|
|
coll[processFn](e);
|
|
// Mark the event to avoid cleaning it later.
|
|
e._found_ = true;
|
|
}
|
|
};
|
|
var processEvt = function (e) {
|
|
id = self.getIdentifier(e);
|
|
u.map(self.collections, processColl.bind(null, e, id));
|
|
// If the event isn't handled by any collection,
|
|
// we need to clean its identifier.
|
|
if (!e._found_) {
|
|
self.removeIdentifier(id);
|
|
}
|
|
};
|
|
|
|
u.map(evt, processEvt);
|
|
|
|
return false;
|
|
};
|
|
|
|
// Cleanly destroy the manager
|
|
Manager.prototype.destroy = function () {
|
|
var self = this;
|
|
self.unbindDocument(true);
|
|
self.ids = {};
|
|
self.index = 0;
|
|
self.collections.forEach(function(collection) {
|
|
collection.destroy();
|
|
});
|
|
self.off();
|
|
};
|
|
|
|
// When a collection gets destroyed
|
|
// we clean behind.
|
|
Manager.prototype.onDestroyed = function (evt, coll) {
|
|
var self = this;
|
|
if (self.collections.indexOf(coll) < 0) {
|
|
return false;
|
|
}
|
|
self.collections.splice(self.collections.indexOf(coll), 1);
|
|
};
|
|
|
|
var factory = new Manager();
|
|
return {
|
|
create: function (options) {
|
|
return factory.create(options);
|
|
},
|
|
factory: factory
|
|
};
|
|
|
|
});
|
|
|