/*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 ("License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.zimbra.com/license
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is: Zimbra AJAX Toolkit.
*
* The Initial Developer of the Original Code is Zimbra, Inc.
* Portions created by Zimbra are Copyright (C) 2005 Zimbra, Inc.
* All Rights Reserved.
*
* Contributor(s):
*
* ***** END LICENSE BLOCK *****
*/


//
// DwtHoverMgr
//

function DwtHoverMgr() {
	this._hoverOverAction = new AjxTimedAction(this, this._notifyHoverOver);
	this._hoverOutAction = new AjxTimedAction(this, this._notifyHoverOut);
}

// Data

DwtHoverMgr.prototype._hoverObject;

DwtHoverMgr.prototype._hoverOverDelay = 750;
DwtHoverMgr.prototype._hoverOverData;
DwtHoverMgr.prototype._hoverOverAction;
DwtHoverMgr.prototype._hoverOverActionId = -1;
DwtHoverMgr.prototype._hoverOverListener;

DwtHoverMgr.prototype._hoverOutDelay = 50;
DwtHoverMgr.prototype._hoverOutData;
DwtHoverMgr.prototype._hoverOutAction;
DwtHoverMgr.prototype._hoverOutActionId = -1;
DwtHoverMgr.prototype._hoverOutListener;

DwtHoverMgr.prototype._isHovering = false;

// Public methods

DwtHoverMgr.prototype.setHoverObject = function(object) {
	this._hoverObject = object;
};
DwtHoverMgr.prototype.getHoverObject = function() {
	return this._hoverObject;
};

DwtHoverMgr.prototype.reset = function() {
	this._hoverObject = null;
	this._hoverOverDelay = DwtHoverMgr.prototype._hoverOverDelay;
	this._hoverOverData = null;
	if (this._hoverOverActionId != -1) {
		AjxTimedAction.cancelAction(this._hoverOverActionId);
	}
	this._hoverOverActionId = -1;
	this._hoverOverListener = null;

	this._hoverOutDelay = DwtHoverMgr.prototype._hoverOutDelay;
	this._hoverOutData = null;
	if (this._hoverOutActionId != -1) {
		AjxTimedAction.cancelAction(this._hoverOutActionId);
		this._notifyHoverOut();
	}
	this._hoverOutActionId = -1;
	this._hoverOutListener = null;
};

DwtHoverMgr.prototype.isHovering = function() {
	return this._isHovering;
};

DwtHoverMgr.prototype.setHoverOverDelay = function(delay) {
	this._hoverOverDelay = delay;
};
DwtHoverMgr.prototype.setHoverOverData= function(data) {
	this._hoverOverData = data;
};
DwtHoverMgr.prototype.setHoverOverListener = function(listener) {
	this._hoverOverListener = listener;
};

DwtHoverMgr.prototype.setHoverOutDelay = function(delay) {
	this._hoverOutDelay = delay;
};
DwtHoverMgr.prototype.setHoverOutData = function(data) {
	this._hoverOutData = data;
};
DwtHoverMgr.prototype.setHoverOutListener = function(listener) {
	this._hoverOutListener = listener;
};

DwtHoverMgr.prototype.hoverOver = function(x, y) {
	if (this._hoverOverActionId != -1) {
		AjxTimedAction.cancelAction(this._hoverOverActionId);
	}
	this._hoverOverAction.args = [x, y];
	this._hoverOverActionId = AjxTimedAction.scheduleAction(this._hoverOverAction, this._hoverOverDelay);
};
DwtHoverMgr.prototype.hoverOut = function() {
	if (this._hoverOverActionId != -1) {
		AjxTimedAction.cancelAction(this._hoverOverActionId);
	}
	if (this._hoverOutActionId == -1) {
		if (this._hoverOutDelay > 0) {
			this._hoverOutActionId = AjxTimedAction.scheduleAction(this._hoverOutAction, this._hoverOutDelay);
		}
		else {
			this._notifyHoverOut();
		}
	}
};

// Protected methods

DwtHoverMgr.prototype._notifyHoverOver = function() {
	this._hoverOverActionId = -1;
	this._isHovering = true;
	if (this._hoverOverListener != null) {
		var x = this._hoverOverAction.args[0];
		var y = this._hoverOverAction.args[1];
		var event = new DwtHoverEvent(DwtEvent.HOVEROVER, this._hoverOverDelay, this._hoverOverData, x, y);
		this._hoverOverListener.handleEvent(event);
	}
};
DwtHoverMgr.prototype._notifyHoverOut = function() {
	this._hoverOutActionId = -1;
	this._isHovering = false;
	if (this._hoverOutListener != null) {
		var event = new DwtHoverEvent(DwtEvent.HOVEROUT, this._hoverOutDelay, this._hoverOutData);
		this._hoverOutListener.handleEvent(event);
	}
};