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Bug 1082652 - [b2g-desktop] Dispatch touchstart/touchend on the system app to match on device behavior. r=ochameau

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This commit is contained in:
Etienne Segonzac 2014-10-17 07:14:00 -04:00
parent 47dd67978d
commit b2bae95ad5
1 changed files with 32 additions and 7 deletions
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39
toolkit/devtools/touch-events.js
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@ -37,7 +37,7 @@ function TouchEventHandler (window) {
let TouchEventHandler = {
enabled: false,
events: ['mousedown', 'mousemove', 'mouseup'],
events: ['mousedown', 'mousemove', 'mouseup', 'touchstart', 'touchend'],
start: function teh_start() {
if (this.enabled)
return false;
@ -61,18 +61,43 @@ function TouchEventHandler (window) {
}).bind(this));
},
handleEvent: function teh_handleEvent(evt) {
// Ignore all but real mouse event coming from physical mouse
// (especially ignore mouse event being dispatched from a touch event)
if (evt.button || evt.mozInputSource != Ci.nsIDOMMouseEvent.MOZ_SOURCE_MOUSE || evt.isSynthesized) {
return;
}
// The gaia system window use an hybrid system even on the device which is
// a mix of mouse/touch events. So let's not cancel *all* mouse events
// if it is the current target.
let content = this.getContent(evt.target);
let isSystemWindow = content.location.toString().indexOf("system.gaiamobile.org") != -1;
// App touchstart & touchend should also be dispatched on the system app
// to match on-device behavior.
if (evt.type.startsWith('touch') && !isSystemWindow) {
let sysFrame = content.realFrameElement;
let sysDocument = sysFrame.ownerDocument;
let sysWindow = sysDocument.defaultView;
let touchEvent = sysDocument.createEvent('touchevent');
let touch = evt.touches[0] || evt.changedTouches[0];
let point = sysDocument.createTouch(sysWindow, sysFrame, 0,
touch.pageX, touch.pageY,
touch.screenX, touch.screenY,
touch.clientX, touch.clientY,
1, 1, 0, 0);
let touches = sysDocument.createTouchList(point);
let targetTouches = touches;
let changedTouches = touches;
touchEvent.initTouchEvent(evt.type, true, true, sysWindow, 0,
false, false, false, false,
touches, targetTouches, changedTouches);
sysFrame.dispatchEvent(touchEvent);
return;
}
// Ignore all but real mouse event coming from physical mouse
// (especially ignore mouse event being dispatched from a touch event)
if (evt.button || evt.mozInputSource != Ci.nsIDOMMouseEvent.MOZ_SOURCE_MOUSE || evt.isSynthesized) {
return;
}
let eventTarget = this.target;
let type = '';
switch (evt.type) {