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use separate pointer event handler for document when dragging

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This commit is contained in:
tsauerwein
2014-02-19 16:10:07 +01:00
parent 2e4badb7f3
commit b52f79340d
6 changed files with 47 additions and 197 deletions
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98
src/ol/pointer/pointereventhandler.js
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@@ -49,7 +49,7 @@ goog.require('ol.pointer.TouchSource');
/**
* @constructor
* @extends {goog.events.EventTarget}
* @param {Element} element Viewport element.
* @param {Element|HTMLDocument} element Viewport element.
*/
ol.pointer.PointerEventHandler = function(element) {
goog.base(this);
@@ -57,7 +57,7 @@ ol.pointer.PointerEventHandler = function(element) {
/**
* @const
* @private
* @type {Element}
* @type {Element|HTMLDocument}
*/
this.element_ = element;
@@ -203,65 +203,6 @@ ol.pointer.PointerEventHandler.prototype.eventHandler_ = function(inEvent) {
};
/**
* Set up an event listener for the given pointer event type
* by adding source event listeners to the `document` element. The
* original listener on the map viewport is removed.
* This is required for mouse and pointer devices when dragging,
* because no `*move` events are fired, when the mouse/pointer is
* outside the map viewport.
* To remove these listeners again, use `unlistenOnDocument()`.
*
* @param {string} type Pointer event type.
* @param {!Function} listener Callback method, or an object
* with a handleEvent function.
* @param {boolean=} opt_useCapture Whether to fire in capture phase
* (defaults to false).
* @param {Object=} opt_listenerScope Object in whose scope to call the
* listener.
* @return {goog.events.ListenableKey} Unique key for the listener.
*/
ol.pointer.PointerEventHandler.prototype.listenOnDocument = function(
type, listener, opt_useCapture, opt_listenerScope) {
var l = this.eventSourceList_.length;
var eventSource;
for (var i = 0; i < l; i++) {
eventSource = this.eventSourceList_[i];
eventSource.listenOnDocument(type);
}
return this.listen(
type, listener, opt_useCapture, opt_listenerScope);
};
/**
* Removes the source event listeners on the `document` element,
* and listenes to the orginal map viewport element again.
*
* @param {string} type Pointer event type.
* @param {!Function} listener Callback method, or an object
* with a handleEvent function.
* @param {boolean=} opt_useCapture Whether to fire in capture phase
* (defaults to false).
* @param {Object=} opt_listenerScope Object in whose scope to call the
* listener.
* @return {boolean} Whether any listener was removed.
*/
ol.pointer.PointerEventHandler.prototype.unlistenOnDocument = function(
type, listener, opt_useCapture, opt_listenerScope) {
var l = this.eventSourceList_.length;
var eventSource;
for (var i = 0; i < l; i++) {
eventSource = this.eventSourceList_[i];
eventSource.listenOnDocument(type);
}
return this.unlisten(
type, listener, opt_useCapture, opt_listenerScope);
};
/**
* Setup listeners for the given events.
* @private
@@ -275,19 +216,6 @@ ol.pointer.PointerEventHandler.prototype.addEvents_ = function(events) {
};
/**
* Setup listener for the given event.
* @param {string} eventName Event type.
* @param {HTMLDocument|Element=} opt_element Optional element.
*/
ol.pointer.PointerEventHandler.prototype.addEvent = function(
eventName, opt_element) {
var element = goog.isDef(opt_element) ? opt_element : this.element_;
goog.events.listen(element, eventName,
this.eventHandler_, false, this);
};
/**
* Unregister listeners for the given events.
* @private
@@ -301,19 +229,6 @@ ol.pointer.PointerEventHandler.prototype.removeEvents_ = function(events) {
};
/**
* Unregister listener for the given event.
* @param {string} eventName Event type.
* @param {HTMLDocument|Element=} opt_element Optional element.
*/
ol.pointer.PointerEventHandler.prototype.removeEvent = function(
eventName, opt_element) {
var element = goog.isDef(opt_element) ? opt_element : this.element_;
goog.events.unlisten(element, eventName,
this.eventHandler_, false, this);
};
/**
* Returns a snapshot of inEvent, with writable properties.
*
@@ -537,6 +452,15 @@ ol.pointer.PointerEventHandler.prototype.fireNativeEvent =
};
/**
* @inheritDoc
*/
ol.pointer.PointerEventHandler.prototype.disposeInternal = function() {
this.unregister_();
goog.base(this, 'disposeInternal');
};
/**
* Constants for event names.
* @enum {string}