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pointer-event
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Event Controller for mouse and touch interfaces
var pointerEvent = new PointerEvent(),
// startHandlerId which is used for adding/removing to element is returned.
startHandlerId = pointerEvent.regStartHandler(function(pointerXY) {
console.log('[START]');
console.dir(pointerXY); // Object having `clientX` and `clientY`.
this.options.stopPropagation = false; // Access to current instance via `this`.
return true; // If it returns `false`, the starting is canceled.
});
// When `mousedown` or `touchstart` is fired on this element, the registered start-handler is called.
pointerEvent.addStartHandler(document.getElementById('trigger'), startHandlerId);
// When `mousemove` or `touchmove` is fired on this element, this move-handler is called.
// By default, the handler is called via `requestAnimationFrame`. `true` for third argument disables this.
pointerEvent.addMoveHandler(document, function(pointerXY) {
console.log('[MOVE]');
console.dir(pointerXY); // Object having `clientX` and `clientY`.
this.options.stopPropagation = false; // Access to current instance via `this`.
}/*, true */);
// When `mouseup` or `touchend` is fired on this element, this end-handler is called.
pointerEvent.addEndHandler(document, function(pointerXY) {
console.log('[END]');
console.dir(pointerXY); // Object having `clientX` and `clientY`.
this.options.stopPropagation = false; // Access to current instance via `this`.
});
// When `touchcancel` is fired on this element, this cancel-handler is called.
pointerEvent.addCancelHandler(document, function() {
console.log('[CANCEL]');
console.log(this.options.stopPropagation); // Access to current instance via `this`.
});
// ============================================================================
document.getElementById('move-button').addEventListener('click', function() {
// Emulate the `move` that is done when `mousemove` or `touchmove` is fired.
pointerEvent.move(); // pointerXY can be passed.
}, false);
document.getElementById('end-button').addEventListener('click', function() {
// Emulate the `end` that is done when `mouseup` or `touchend` is fired.
pointerEvent.end(); // pointerXY can be passed.
}, false);
document.getElementById('cancel-button').addEventListener('click', function() {
// Emulate the `cancel` that is done when `touchcancel` is fired.
pointerEvent.cancel();
}, false);
// ============================================================================
// Remove the added start-handler from this element.
pointerEvent.removeStartHandler(document.getElementById('trigger'), startHandlerId);
// Unregister the registered start-handler.
pointerEvent.unregStartHandler(startHandlerId);
// ============================================================================
// Options:
// preventDefault {boolean} [true] - Call `event.preventDefault()` if it is `true`.
// stopPropagation {boolean} [true] - Call `event.stopPropagation()` if it is `true`.
var pointerEvent = new PointerEvent({stopPropagation: false}); // Don't call that.
// ============================================================================
// addEventListener with specific option.
PointerEvent.addEventListenerWithOptions(target, type, listener, options);
// Emulate `click` event via `touchend` event.
// Default emulator is disabled by `event.preventDefault()`.
// Also, this has to be called before attaching listeners that call `event.preventDefault()` (e.g. `addStartHandler()`).
PointerEvent.initClickEmulator(element, moveTolerance, timeTolerance);
// `Event` object that is passed to listeners has `emulated` property that is `true`.
// Emulate `dblclick` event via `touchend` event.
// Default emulator is disabled by `event.preventDefault()`.
// Also, this has to be called before attaching listeners that call `event.preventDefault()` (e.g. `addStartHandler()`).
PointerEvent.initDblClickEmulator(element, moveTolerance, timeTolerance);
// `Event` object that is passed to listeners has `emulated` property that is `true`.
FAQs
Event Controller for mouse and touch interfaces
The npm package pointer-event receives a total of 377 weekly downloads. As such, pointer-event popularity was classified as not popular.
We found that pointer-event demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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