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Allow interactions to deal directly with browser events

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The relayEvent_ method wraps goog's browser events in our MapBrowserEvent.  This allows interactions to deal with real browser events in addition to our emulated events.
This commit is contained in:
Tim Schaub
2013-11-01 13:07:44 -06:00
parent c4ba8a85bc
commit d5d005ba3f
1 changed files with 27 additions and 0 deletions
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27
src/ol/mapbrowserevent.js
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@@ -160,6 +160,15 @@ ol.MapBrowserEventHandler = function(map) {
var element = this.map_.getViewport();
this.relayedListenerKeys_ = [
goog.events.listen(element,
goog.events.EventType.MOUSEMOVE,
this.relayEvent_, false, this),
goog.events.listen(element,
goog.events.EventType.CLICK,
this.relayEvent_, false, this)
];
this.mousedownListenerKey_ = goog.events.listen(element,
goog.events.EventType.MOUSEDOWN,
this.handleMouseDown_, false, this);
@@ -402,6 +411,10 @@ ol.MapBrowserEventHandler.prototype.handleTouchEnd_ = function(browserEvent) {
* FIXME empty description for jsdoc
*/
ol.MapBrowserEventHandler.prototype.disposeInternal = function() {
if (!goog.isNull(this.relayedListenerKeys_)) {
goog.array.forEach(this.relayedListenerKeys_, goog.events.unlistenByKey);
this.relayedListenerKeys_ = null;
}
if (!goog.isNull(this.mousedownListenerKey_)) {
goog.events.unlistenByKey(this.mousedownListenerKey_);
this.mousedownListenerKey_ = null;
@@ -422,12 +435,26 @@ ol.MapBrowserEventHandler.prototype.disposeInternal = function() {
};
/**
* Wrap and relay a browser event. Note that this requires that the type
* string for the MapBrowserEvent matches the BrowserEvent type.
* @param {goog.events.BrowserEvent} browserEvent Browser event.
* @private
*/
ol.MapBrowserEventHandler.prototype.relayEvent_ = function(browserEvent) {
this.dispatchEvent(new ol.MapBrowserEvent(
browserEvent.type, this.map_, browserEvent));
};
/**
* Constants for event names.
* @enum {string}
*/
ol.MapBrowserEvent.EventType = {
CLICK: goog.events.EventType.CLICK,
DBLCLICK: goog.events.EventType.DBLCLICK,
MOUSEMOVE: goog.events.EventType.MOUSEMOVE,
DOWN: 'down',
DRAGSTART: 'dragstart',
DRAG: 'drag',