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/**
* Copyright 2010 The PlayN Authors
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package flash.events;
import com.google.gwt.core.client.JavaScriptObject;
import playn.flash.EventHandler;
/**
* Implementation of
*
* flash.events.EventDispatcher
*/
public class EventDispatcher extends JavaScriptObject {
/**
* Dispatched when Flash Player or an AIR application gains operating system
* focus and becomes active.
*/
final public static EventType ACTIVATE = EventType.make("activate");
/**
* Dispatched when Flash Player or an AIR application gains operating system
* focus and becomes active.
*/
final public static EventType DEACTIVATE = EventType.make("deactivate");
protected EventDispatcher() {}
public static EventDispatcher create() {
return createObject().cast();
}
/**
* Registers an event listener object with an EventDispatcher object so that the listener receives notification of an event.
*/
final public native void addEventListener(EventType type, EventHandler listener, boolean useCapture, int priority, boolean useWeakReference) /*-{
this.addEventListener(type, function(evt) {
return [email protected]::handleEvent(Lflash/events/Event;)(evt);
}, useCapture, priority, useWeakReference);
}-*/;
/**
* Dispatches an event into the event flow.
**/
final public native boolean dispatchEvent(Event event) /*-{
return this.dispatchEvent(event);
}-*/;
/**
* Checks whether the EventDispatcher object has any listeners registered for a specific type of event.
* @param type
* @return
*/
final public native boolean hasEventListener(EventType type) /*-{
return this.hasEventListener(type);
}-*/;
/**
* Removes a listener from the EventDispatcher object.
* @param type
*/
final public native void removeEventListener(EventType type, EventHandler listener, boolean useCapture) /*-{
this.removeEventListener(type, listener, useCapture);
}-*/;
/**
* Checks whether an event listener is registered with this EventDispatcher
* object or any of its ancestors for the specified event type.
* @return
*/
final public native boolean willTrigger(EventType type) /*-{
return this.willTrigger(type);
}-*/;
}