tocca v2.0.9
Tocca.js
Super lightweight script ( ~1kB ) to detect via Javascript events like 'tap' 'longtap' 'dbltap' 'swipeup' 'swipedown' 'swipeleft' 'swiperight' on any kind of device.
Demo
Donations
If this project helped getting your job done consider making a donation for all the time I spend to bring it to you
Installation
Npm
$ npm install tocca
Bower
$ bower install Tocca.js -save
Usage
Include the script into your page:
<script src="path/to/Tocca.js"></script>
Once you have included Tocca.js you will be able to catch all the new events:
elm.addEventListener('tap',function(e){});
elm.addEventListener('dbltap',function(e){});
elm.addEventListener('longtap',function(e){});
elm.addEventListener('swipeleft',function(e){});
elm.addEventListener('swiperight',function(e){});
elm.addEventListener('swipeup',function(e){});
elm.addEventListener('swipedown',function(e){});
It works with jQuery as well:
$(elm).on('tap',function(e,data){});
$(elm).on('dbltap',function(e,data){});
$(elm).on('longtap',function(e,data){});
$(elm).on('swipeleft',function(e,data){});
$(elm).on('swiperight',function(e,data){});
$(elm).on('swipeup',function(e,data){});
$(elm).on('swipedown',function(e,data){});
Tocca.js supports also the inline events if you are using Riot.js!
<div ontap="function(e){})"></div>
<div ondbltap="function(e){})"></div>
<div onlongtap="function(e){})"></div>
<div onswipeleft="function(e){})"></div>
<div onswiperight="function(e){})"></div>
<div onswipeup="function(e){})"></div>
<div onswipedown="function(e){})"></div>
API and Examples
Anytime you will use a Tocca.js event the callback function will receive a special event object containing the following properties
- x { Int }: latest x position of pointer at the end of the event
- y { Int }: latest y position of pointer at the end of the event
- originalEvent { Object }: the original javascript native event that has been triggered
- distance: this property is available only for the swipe events
- x { Int }: the x absolute difference between the beginning and the end of the swipe gesture
- y { Int }: the y absolute difference between the beginning and the end of the swipe gesture
Examples:
elm.addEventListener('dbltap',function (e){
console.log(e.x);
console.log(e.y);
});
elm.addEventListener('swipeup',function (e){
console.log(e.x);
console.log(e.y);
console.log(e.distance.x);
console.log(e.distance.y);
});
// with jQuery
$(elm).on('dbltap',function (e,data){
console.log(data.x);
console.log(data.y);
});
$(elm).on('swipeup',function (e,data){
console.log(data.x);
console.log(data.y);
console.log(data.distance.x);
console.log(data.distance.y);
});
Anyway you can combine Tocca.js with the default javascript touch events:
- touchmove
- touchstart
- touchend
- touchcancel
To disable the default touch behaviours (zoom on double tap, scroll on swipe...) on a certain element via javascript you can always use the following snippet:
elm.addEventListener('touchmove',function(e){e.preventDefault()});
elm.addEventListener('touchstart',function(e){e.preventDefault()});
elm.addEventListener('touchend',function(e){e.preventDefault()});
Configuration
Whenever you want to configure the plugin events settings you can do that simply specifying two constants before including Tocca.js into the page
<script>
var SWIPE_THRESHOLD = 100, // default value
DBL_TAP_THRESHOLD = 200, // range of time in which a dbltap event could be detected,
LONG_TAP_THRESHOLD = 1000, // range of time after which a longtap event could be detected
TAP_THRESHOLD = 150, // range of time in which a tap event could be detected
TAP_PRECISION = 60 / 2, // default value (touch events boundaries)
JUST_ON_TOUCH_DEVICES = false, // default value ( decide whether you want to use the Tocca.js events only on the touch devices )
IGNORE_JQUERY = false; // default value ( will not use jQuery events, even if jQuery is detected )
</script>
<script src="path/to/Tocca.js"></script>
In Tocca.js 1.1.0 you can also configure/get the internal options via function:
window.tocca({
useJquery: your new option
swipeThreshold: your new option
tapThreshold: your new option
dbltapThreshold: your new option
longtapThreshold: your new option
tapPrecision: your new option
justTouchEvents: your new option
})
console.log(window.tocca()) // will always return the current internal options
Browser Support
Actually the script has been tested on all the modern browsers but it need a better testing phase over several platforms: Chrome 29+ Firefox 23+ Opera 12+ Safari 5+
It works on mobile/tablet browsers and on desktop browsers as well.
On the old browsers all the Tocca.js events cannot be triggered.
Changelog
2.0.9
- fixed: removed
const
variables
2.0.8
- fixed: 70
2.0.7
- fixed: 69
2.0.6
- update: improve multiple touches events detection
2.0.5
- fixed: #65
2.0.4
- fixed: #62
2.0.3
- fixed: #51 #54
- fixed: the PointerUp event is not always dispatched on Chrome and Android devices, prioritize always the
touch*
overpointer*
events
2.0.1
2.0.0
- fixed: https://github.com/GianlucaGuarini/Tocca.js/issues/44
- added: support for the new
pointerevents
1.1.0
- added: the possibility to configure via function the internal tocca options
- added: the
IGNORE_JQUERY
option
1.0.1
1.0.0
Thanks to @AndyOGo for his help on this release
- fixed: #34 #35
- fixed: more reliable and performant events on the hybrid devices
- fixed: multiple events dispatched on
tap
0.2.0
- added:
longtap
event and theLONG_TAP_THRESHOLD
variable - fixed: inconsistencies and issues across the hybrid devices
0.1.7
- added:
longtap
event and theLONG_TAP_THRESHOLD
variable
0.1.5
- added: support for the inline events
0.1.4
- fixed:
dbltap
https://github.com/GianlucaGuarini/Tocca.js/pull/16 - updated: node devDependecies updated
0.1.3
- fixed:
dbltap
issue https://github.com/GianlucaGuarini/Tocca.js/issues/14
0.1.2
- updated: no more deferred
tap
events, atap
event gets triggered immediately if it's in theTAP_THRESHOLD
time range - updated: a
tap
event will always come first adbltap
event
0.1.1
- updated: better and faster tap events detection
- updated: node devDependecies updated
- added: DBL_TAP_THRESHOLD option
0.1.0
- bugfix: optimizing the support for the microsoft hybrid devices (IE10/IE11)
0.0.8
- 'touchcancel' event removed to fix and android issue on page scroll
0.0.7
- nothing important (just a workaround to fix the tests on the motherfucker Phantomjs)
0.0.6
- bugfix: do not set the mouse event listeners on any touch device and vice versa
- added: new JUST_ON_TOUCH_DEVICES option to block all the Tocca.js events on the no-touch devices
0.0.5
- tap precision option included
0.0.4
- dpltap renamed dbltap
- new demo added demo-fun.html
0.0.3
- Tests added
0.0.2
- Android Bug fix
What does Tocca mean?!
'Tocca' is the second person singular of the imperative Italian verb 'Toccare' that means to touch.
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