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/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
input = {}
/*
* input.eventHandlers
* Register one or more event handlers with the input system. An event handler can be
* any object defining one or more of the following event handling functions:
* onKeyDown(ev)
* onKeyUp(ev)
* onMouseDown(ev)
* onMouseUp(ev)
* onMouseMove(ev)
* onMouseWheel(ev)
* ...
*
*/
input.eventHandlers = [];
/*
* input.onKeyDown
* Top level onKeyDown event handler function. This function propogates events to all registered
* event handlers. The first handler to return true stops this propogation, thus "handling" the event.
*/
input.onKeyDown = function(ev) {
var i = 0;
var count = input.eventHandlers.length;
while( i < count ) {
if( input.eventHandlers[i].onKeyDown != undefined && input.eventHandlers[i].onKeyDown(ev) ) {
break;
}
i++;
}
}
/*
* input.onKeyUp
* Top level onKeyUp event handler function. This function propogates events to all registered
* event handlers. The first handler to return true stops this propogation, thus "handling" the event.
*/
input.onKeyUp = function(ev) {
var i = 0;
var count = input.eventHandlers.length;
while( i < count ) {
if( input.eventHandlers[i].onKeyUp != undefined && input.eventHandlers[i].onKeyUp(ev) ) {
break;
}
i++;
}
}
/*
* input.onMouseDown
* Top level onMouseDown event handler function. This function propogates events to all registered
* event handlers. The first handler to return true stops this propogation, thus "handling" the event.
*/
input.onMouseDown = function(ev) {
var i = 0;
var count = input.eventHandlers.length;
while( i < count ) {
if( input.eventHandlers[i].onMouseDown != undefined && input.eventHandlers[i].onMouseDown(ev) ) {
break;
}
i++;
}
}
/*
* input.onMouseUp
* Top level onMouseUp event handler function. This function propogates events to all registered
* event handlers. The first handler to return true stops this propogation, thus "handling" the event.
*/
input.onMouseUp = function(ev) {
var i = 0;
var count = input.eventHandlers.length;
while( i < count ) {
if( input.eventHandlers[i].onMouseUp != undefined && input.eventHandlers[i].onMouseUp(ev) ) {
break;
}
i++;
}
}
/*
* input.onMouseMove
* Top level onMouseMove event handler function. This function propogates events to all registered
* event handlers. The first handler to return true stops this propogation, thus "handling" the event.
*/
input.onMouseMove = function(ev) {
var i = 0;
var count = input.eventHandlers.length;
while( i < count ) {
if( input.eventHandlers[i].onMouseMove != undefined && input.eventHandlers[i].onMouseMove(ev) ) {
break;
}
i++;
}
}
/*
* input.onMouseWheel
* Top level onMouseWheel event handler function. This function propogates events to all registered
* event handlers. The first handler to return true stops this propogation, thus "handling" the event.
*/
input.onMouseWheel = function(ev) {
var i = 0;
var count = input.eventHandlers.length;
while( i < count ) {
if( input.eventHandlers[i].onMouseWheel != undefined && input.eventHandlers[i].onMouseWheel(ev) ) {
break;
}
i++;
}
}
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