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Handle unlistening in base class

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This commit is contained in:
Tom Payne
2013-04-05 20:54:27 +02:00
parent 06bcab8374
commit 25eb18d2c8
3 changed files with 17 additions and 37 deletions
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22
src/ol/control/mousepositioncontrol.js
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@@ -85,12 +85,6 @@ ol.control.MousePosition = function(opt_options) {
*/
this.lastMouseMovePixel_ = null;
/**
* @private
* @type {Array.<?number>}
*/
this.listenerKeys_ = null;
};
goog.inherits(ol.control.MousePosition, ol.control.Control);
@@ -137,19 +131,15 @@ ol.control.MousePosition.prototype.handleMouseOut = function(browserEvent) {
* @inheritDoc
*/
ol.control.MousePosition.prototype.setMap = function(map) {
if (!goog.isNull(this.listenerKeys_)) {
goog.array.forEach(this.listenerKeys_, goog.events.unlistenByKey);
this.listenerKeys_ = null;
}
goog.base(this, 'setMap', map);
if (!goog.isNull(map)) {
var viewport = map.getViewport();
this.listenerKeys_ = [
goog.events.listen(viewport, goog.events.EventType.MOUSEMOVE,
this.handleMouseMove, false, this),
goog.events.listen(viewport, goog.events.EventType.MOUSEOUT,
this.handleMouseOut, false, this)
];
this.listenerKeys.push(
goog.events.listen(viewport, goog.events.EventType.MOUSEMOVE,
this.handleMouseMove, false, this),
goog.events.listen(viewport, goog.events.EventType.MOUSEOUT,
this.handleMouseOut, false, this)
);
}
};