diff-6d8476a38aa50a7d54110d2f35538e56be8dc247L1823">1823
* 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
* Rotate
* Recognized when two or more pointer are moving in a circular motion.
* @constructor
* @extends AttrRecognizer
*/
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) {
if (input.scale !== 1) {
var inOut = input.scale < 1 ? 'in' : 'out';
input.additionalEvent = this.options.event + inOut;
}
this._super.emit.call(this, input);
function RotateRecognizer() {
AttrRecognizer.apply(this, arguments);
}
});
/**
* Press
* Recognized when the pointer is down for x ms without any movement.
* @constructor
* @extends Recognizer
*/
function PressRecognizer() {
Recognizer.apply(this, arguments);
inherit(RotateRecognizer, AttrRecognizer, {
/**
* @namespace
* @memberof RotateRecognizer
*/
defaults: {
event: 'rotate',
threshold: 0,
pointers: 2
},
getTouchAction: function() {
return [TOUCH_ACTION_NONE];
},
this._timer = null;
this._input = null;
}
attrTest: function(input) {
return this._super.attrTest.call(this, input) &&
(Math.abs(input.rotation) > this.options.threshold || this.state & STATE_BEGAN);
}
});
inherit(PressRecognizer, Recognizer, {
/**
* @namespace
* @memberof PressRecognizer
* Swipe
* Recognized when the pointer is moving fast (velocity), with enough distance in the allowed direction.
* @constructor
* @extends AttrRecognizer
*/
defaults: {
event: 'press',
pointers: 1,
time: 251, // minimal time of the pointer to be pressed
threshold: 9 // 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;
},
function SwipeRecognizer() {
AttrRecognizer.apply(this, arguments);
}
reset: function() {
clearTimeout(this._timer);
},
inherit(SwipeRecognizer, AttrRecognizer, {
/**
* @namespace
* @memberof SwipeRecognizer
*/
defaults: {
event: 'swipe',
threshold: 10,
velocity: 0.3,
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.overallVelocity;
} else if (direction & DIRECTION_HORIZONTAL) {
velocity = input.overallVelocityX;
} else if (direction & DIRECTION_VERTICAL) {
velocity = input.overallVelocityY;
}
emit: function(input) {
if (this.state !== STATE_RECOGNIZED) {
return;
}
return this._super.attrTest.call(this, input) &&
direction & input.offsetDirection &&
input.distance > this.options.threshold &&
input.maxPointers == this.options.pointers &&
abs(velocity) > this.options.velocity && input.eventType & INPUT_END;
},
emit: function(input) {
var direction = directionStr(input.offsetDirection);
if (direction) {
this.manager.emit(this.options.event + direction, input);
}
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);
this.manager.emit(this.options.event, 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
* 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
*/
defaults: {
event: 'swipe',
threshold: 10,
velocity: 0.3,
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.overallVelocity;
} else if (direction & DIRECTION_HORIZONTAL) {
velocity = input.overallVelocityX;
} else if (direction & DIRECTION_VERTICAL) {
velocity = input.overallVelocityY;
}
function TapRecognizer() {
Recognizer.apply(this, arguments);
return this._super.attrTest.call(this, input) &&
direction & input.offsetDirection &&
input.distance > this.options.threshold &&
input.maxPointers == this.options.pointers &&
abs(velocity) > this.options.velocity && input.eventType & INPUT_END;
},
emit: function(input) {
var direction = directionStr(input.offsetDirection);
if (direction) {
this.manager.emit(this.options.event + direction, input);
}
// previous time and center,
// used for tap counting
this.pTime = false;
this.pCenter = false;
this.manager.emit(this.options.event, input);
this._timer = null;
this._input = null;
this.count = 0;
}
});
/**
* 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: 9, // 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();
}
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: 9, // 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();
// 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) {
if ((input.eventType & INPUT_START) && (this.count === 0)) {
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;
// 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();
}
if (!validMultiTap || !validInterval) {
this.count = 1;
} else {
this.count += 1;
}
var validInterval = this.pTime ? (input.timeStamp - this.pTime < options.interval) : true;
var validMultiTap = !this.pCenter || getDistance(this.pCenter, input.center) < options.posThreshold;
this._input = input;
this.pTime = input.timeStamp;
this.pCenter = input.center;
// 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;
if (!validMultiTap || !validInterval) {
this.count = 1;
} else {
this._timer = setTimeoutContext(function() {
this.state = STATE_RECOGNIZED;
this.tryEmit();
}, options.interval, this);
return STATE_BEGAN;
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;
},
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);
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 a 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 = '2.0.7';
/**
* 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
* Simple way to create a manager with a default set of recognizers.
* @param {HTMLElement} element
* @param {Object} [options]
* @constructor
*/
inputClass: null,
function Hammer(element, options) {
options = options || {};
options.recognizers = ifUndefined(options.recognizers, Hammer.defaults.preset);
return new Manager(element, options);
}
/**
* Default recognizer setup when calling `Hammer()`
* When creating a new Manager these will be skipped.
* @type {Array}
* @const {string}
*/
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]
],
Hammer.VERSION = '2.0.7';
/**
* 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.
* default settings
* @namespace
*/
cssProps: {
Hammer.defaults = {
/**
* Disables text selection to improve the dragging gesture. Mainly for desktop browsers.
* @type {String}
* @default 'none'
* set if DOM events are being triggered.
* But this is slower and unused by simple implementations, so disabled by default.
* @type {Boolean}
* @default false
*/
userSelect: 'none',
domEvents: false,
/**
* Disable the Windows Phone grippers when pressing an element.
* 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 'none'
* @default compute
*/
touchSelect: 'none',
touchAction: TOUCH_ACTION_COMPUTE,
/**
* 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'
* @type {Boolean}
* @default true
*/
touchCallout: 'none',
enable: true,
/**
* Specifies whether zooming is enabled. Used by IE10>
* @type {String}
* @default 'none'
* 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
*/
contentZooming: 'none',
inputTarget: null,
/**
* Specifies that an entire element should be draggable instead of its contents. Mainly for desktop browsers.
* @type {String}
* @default 'none'
* force an input class
* @type {Null|Function}
* @default null
*/
userDrag: 'none',
inputClass: null,
/**
* 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)'
* Default recognizer setup when calling `Hammer()`
* When creating a new Manager these will be skipped.
* @type {Array}
*/
tapHighlightColor: 'rgba(0,0,0,0)'
}
};
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]
],
var STOP = 1;
var FORCED_STOP = 2;
/**
* 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)'
}
};
/**
* Manager
* @param {HTMLElement} element
* @param {Object} [options]
* @constructor
*/
function Manager(element, options) {
this.options = assign({}, Hammer.defaults, options || {});
var STOP = 1;
var FORCED_STOP = 2;
this.options.inputTarget = this.options.inputTarget || element;
/**
* Manager
* @param {HTMLElement} element
* @param {Object} [options]
* @constructor
*/
function Manager(element, options) {
this.options = assign({}, Hammer.defaults, options || {});
this.handlers = {};
this.session = {};
this.recognizers = [];
this.oldCssProps = {};
this.options.inputTarget = this.options.inputTarget || element;
this.element = element;
this.input = createInputInstance(this);
this.touchAction = new TouchAction(this, this.options.touchAction);
this.handlers = {};
this.session = {};
this.recognizers = [];
this.oldCssProps = {};
toggleCssProps(this, true);
this.element = element;
this.input = createInputInstance(this);
this.touchAction = new TouchAction(this, this.options.touchAction);
each(this.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);
}
toggleCssProps(this, true);
Manager.prototype = {
/**
* set options
* @param {Object} options
* @returns {Manager}
*/
set: function(options) {
assign(this.options, options);
each(this.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);
}
// 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;
},
Manager.prototype = {
/**
* set options
* @param {Object} options
* @returns {Manager}
*/
set: function(options) {
assign(this.options, options);
/**
* 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;
},
// 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;
},
/**
* 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;
}
/**
* 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 touch-action polyfill
this.touchAction.preventDefaults(inputData);
/**
* 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;
}
var recognizer;
var recognizers = this.recognizers;
// run the touch-action polyfill
this.touchAction.preventDefaults(inputData);
// 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;
var recognizer;
var recognizers = this.recognizers;
// 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;
}
// 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;
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();
// 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;
}
// 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;
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 s 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++;
}
i++;
}
},
},
/**
* get a recognizer by its event name.
* @param {Recognizer|String} recognizer
* @returns {Recognizer|Null}
*/
get: function(recognizer) {
if (recognizer instanceof Recognizer) {
/**
* 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;
}
},
var recognizers = this.recognizers;
for (var i = 0; i < recognizers.length; i++) {
if (recognizers[i].options.event == recognizer) {
return recognizers[i];
/**
* remove a recognizer by name or instance
* @param {Recognizer|String} recognizer
* @returns {Manager}
*/
remove: function(recognizer) {
if (invokeArrayArg(recognizer, 'remove', this)) {
return this;
}
recognizer = this.get(recognizer);
// let's make sure this recognizer exists
if (recognizer) {
var recognizers = this.recognizers;
var index = inArray(recognizers, recognizer);
if (index !== -1) {
recognizers.splice(index, 1);
this.touchAction.update();
}
}
}
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);
}
/**
* bind event
* @param {String} events
* @param {Function} handler
* @returns {EventEmitter} this
*/
on: function(events, handler) {
if (events === undefinedVar) {
return;
}
if (handler === undefinedVar) {
return;
}
this.recognizers.push(recognizer);
recognizer.manager = this;
var handlers = this.handlers;
each(splitStr(events), function(event) {
handlers[event] = handlers[event] || [];
handlers[event].push(handler);
});
return this;
},
this.touchAction.update();
return recognizer;
},
/**
* unbind event, leave emit blank to remove all handlers
* @param {String} events
* @param {Function} [handler]
* @returns {EventEmitter} this
*/
off: function(events, handler) {
if (events === undefinedVar) {
return;
}
/**
* remove a recognizer by name or instance
* @param {Recognizer|String} recognizer
* @returns {Manager}
*/
remove: function(recognizer) {
if (invokeArrayArg(recognizer, 'remove', this)) {
var handlers = this.handlers;
each(splitStr(events), function(event) {
if (!handler) {
delete handlers[event];
} else {
handlers[event] && handlers[event].splice(inArray(handlers[event], handler), 1);
}
});
return this;
}
},
recognizer = this.get(recognizer);
/**
* 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);
}
// let's make sure this recognizer exists
if (recognizer) {
var recognizers = this.recognizers;
var index = inArray(recognizers, recognizer);
// no handlers, so skip it all
var handlers = this.handlers[event] && this.handlers[event].slice();
if (!handlers || !handlers.length) {
return;
}
if (index !== -1) {
recognizers.splice(index, 1);
this.touchAction.update();
data.type = event;
data.preventDefault = function() {
data.srcEvent.preventDefault();
};
var i = 0;
while (i < handlers.length) {
handlers[i](data);
i++;
}
}
},
return this;
},
/**
* 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);
/**
* bind event
* @param {String} events
* @param {Function} handler
* @returns {EventEmitter} this
*/
on: function(events, handler) {
if (events === undefined) {
return;
}
if (handler === undefined) {
return;
this.handlers = {};
this.session = {};
this.input.destroy();
this.element = null;
}
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
* add/remove the css properties as defined in manager.options.cssProps
* @param {Manager} manager
* @param {Boolean} add
*/
off: function(events, handler) {
if (events === undefined) {
function toggleCssProps(manager, add) {
var element = manager.element;
if (!element.style) {
return;
}
var handlers = this.handlers;
each(splitStr(events), function(event) {
if (!handler) {
delete handlers[event];
var prop;
each(manager.options.cssProps, function(value, name) {
prop = prefixed(element.style, name);
if (add) {
manager.oldCssProps[prop] = element.style[prop];
element.style[prop] = value;
} else {
handlers[event] && handlers[event].splice(inArray(handlers[event], handler), 1);
element.style[prop] = manager.oldCssProps[prop] || '';
}
});
return this;
},
if (!add) {
manager.oldCssProps = {};
}
}
/**
* emit event to the listeners
* trigger dom event
* @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);
function triggerDomEvent(event, data) {
var gestureEvent = document.createEvent('Event');
gestureEvent.initEvent(event, true, true);
gestureEvent.gesture = data;
data.target.dispatchEvent(gestureEvent);
}
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;
if (!element.style) {
return;
}
var prop;
each(manager.options.cssProps, function(value, name) {
prop = prefixed(element.style, name);
if (add) {
manager.oldCssProps[prop] = element.style[prop];
element.style[prop] = value;
} else {
element.style[prop] = manager.oldCssProps[prop] || '';
}
assign(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,
assign: assign,
inherit: inherit,
bindFn: bindFn,
prefixed: prefixed
});
if (!add) {
manager.oldCssProps = {};
}
}
/**
* 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);
}
assign(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,
assign: assign,
inherit: inherit,
bindFn: bindFn,
prefixed: prefixed
});
// this prevents errors when Hammer is loaded in the presence of an AMD
// style loader but by script tag, not by the loader.
var freeGlobal = (typeof window !== 'undefined' ? window : (typeof self !== 'undefined' ? self : {})); // jshint ignore:line
freeGlobal.Hammer = Hammer;
var freeGlobal = (typeof window !== 'undefined' ? window : (typeof self !== 'undefined' ? self : {})); // jshint ignore:line
freeGlobal.Hammer = Hammer;
if (typeof define === 'function' && define.amd) {
define(function() {
return Hammer;
});
} else if (typeof module != 'undefined' && module.exports) {
module.exports = Hammer;
} else {
window[exportName] = Hammer;
}
if (typeof define === 'function' && define.amd) {
define(function() {
return Hammer;
});
} else if (typeof module != 'undefined' && module.exports) {
module.exports = Hammer;
} else {
window[exportName] = Hammer;
}
})(window, document, 'Hammer');
})(window, document, 'Hammer');