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Fix viewport shaking on touchmove event on mobile/tablet

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This commit is contained in:
Julian Descottes 2016-06-04 10:29:24 +02:00
parent 0b1ec655ae
commit 4895017ebb
1 changed files with 17 additions and 3 deletions
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20
src/js/controller/DrawingController.js
View File

@ -86,9 +86,10 @@
window.addEventListener('mouseup', this.onMouseup_.bind(this));
window.addEventListener('mousemove', this.onMousemove_.bind(this));
window.addEventListener('keyup', this.onKeyup_.bind(this));
window.addEventListener('touchstart', this.onMousedown_.bind(this));
window.addEventListener('touchmove' , this.onMousemove_.bind(this));
window.addEventListener('touchend', this.onMouseup_.bind(this));
window.addEventListener('touchstart', this.onTouchstart_.bind(this));
window.addEventListener('touchmove' , this.onTouchmove_.bind(this));
window.addEventListener('touchend', this.onTouchend_.bind(this));
// Deactivate right click:
body.contextmenu(this.onCanvasContextMenu_);
@ -136,6 +137,19 @@
$.publish(Events.ZOOM_CHANGED);
};
ns.DrawingController.prototype.onTouchstart_ = function (event) {
this.onMousedown_(event);
};
ns.DrawingController.prototype.onTouchmove_ = function (event) {
this.onMousemove_(event);
event.preventDefault();
};
ns.DrawingController.prototype.onTouchend_ = function (event) {
this.onMouseup_(event);
};
/**
* @private
*/