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/* ************************************************************************
qooxdoo - the new era of web development
http://qooxdoo.org
Copyright:
2004-2007 1&1 Internet AG, Germany, http://www.1and1.org
License:
LGPL: http://www.gnu.org/licenses/lgpl.html
EPL: http://www.eclipse.org/org/documents/epl-v10.php
See the LICENSE file in the project's top-level directory for details.
Authors:
* Sebastian Werner (wpbasti)
* Andreas Ecker (ecker)
************************************************************************ */
/* ************************************************************************
#module(core)
#require(qx.html.EventRegistration)
#optional(qx.component.init.InterfaceInitComponent)
************************************************************************ */
/**
* Initialize qooxdoo.
*
* Attaches qooxdoo callbacks to the load events (onload, onunload, onbeforeunload)
* and initializes the qooxdoo application. The initializations starts automatically.
*
* Make shure you set the application to your application before the load event is fired:
* <pre>qx.core.Init.getInstance().setApplication(YourApplication)</pre>
*/
qx.OO.defineClass("qx.core.Init", qx.core.Target,
function()
{
qx.core.Target.call(this, false);
// Object Wrapper to Events (Needed for DOM-Events)
var o = this;
/**
* private
* @param e {Object} event
*/
this.__onload = function(e) { return o._onload(e); }
/**
* private
* @param e {Object} event
*/
this.__onbeforeunload = function(e) { return o._onbeforeunload(e); }
/**
* private
* @param e {Object} event
*/
this.__onunload = function(e) { return o._onunload(e); }
// Attach events
qx.html.EventRegistration.addEventListener(window, "load", this.__onload);
qx.html.EventRegistration.addEventListener(window, "beforeunload", this.__onbeforeunload);
qx.html.EventRegistration.addEventListener(window, "unload", this.__onunload);
});
/*
---------------------------------------------------------------------------
DEFAULT SETTINGS
---------------------------------------------------------------------------
*/
qx.Settings.setDefault("component", "qx.component.init.InterfaceInitComponent");
/*
---------------------------------------------------------------------------
PROPERTIES
---------------------------------------------------------------------------
*/
/**
* Instance of the component initializer.
*/
qx.OO.addProperty({ name : "component", type : "object", instance : "qx.component.init.BasicInitComponent" });
/**
* Reference to the constructor of the main application.
*
* Set this before the onload event is fired.
*/
qx.OO.addProperty({ name : "application", type : "function" });
/*
---------------------------------------------------------------------------
MODIFIER
---------------------------------------------------------------------------
*/
qx.Proto._modifyApplication = function(propValue, propOldValue, propData)
{
if (propValue) {
this._applicationInstance = new propValue;
}
return true;
};
/*
---------------------------------------------------------------------------
INTERNAL PROPERTIES
---------------------------------------------------------------------------
*/
/**
* Returns an instance of the current qooxdoo Application
*
* @return {qx.component.AbstractApplication} instance of the current qooxdoo application
*/
qx.Proto.getApplicationInstance = function()
{
if (!this.getApplication()) {
this.setApplication(qx.component.DummyApplication);
}
return this._applicationInstance;
};
/*
---------------------------------------------------------------------------
COMPONENT BINDING
---------------------------------------------------------------------------
*/
/**
* define the initialisation function
* Don't use this method directly. Use setApplication instead!
*
* @param vFunc {Function} callback function
*/
qx.Proto.defineInitialize = function(vFunc) {
this.getApplicationInstance().initialize = vFunc;
}
/**
* define the main function
* Don't use this method directly. Use setApplication instead!
*
* @param vFunc {Function} callback function
*/
qx.Proto.defineMain = function(vFunc) {
this.getApplicationInstance().main = vFunc;
}
/**
* define the finalize function
* Don't use this method directly. Use setApplication instead!
*
* @param vFunc {Function} callback function
*/
qx.Proto.defineFinalize = function(vFunc) {
this.getApplicationInstance().finalize = vFunc;
}
/**
* define the close function
* Don't use this method directly. Use setApplication instead!
*
* @param vFunc {Function} callback function
*/
qx.Proto.defineClose = function(vFunc) {
this.getApplicationInstance().close = vFunc;
}
/**
* define the terminate function
* Don't use this method directly. Use setApplication instead!
*
* @param vFunc {Function} callback function
*/
qx.Proto.defineTerminate = function(vFunc) {
this.getApplicationInstance().terminate = vFunc;
}
/*
---------------------------------------------------------------------------
EVENT HANDLER
---------------------------------------------------------------------------
*/
/**
* load event handler
*
* @param e {Object} event
*/
qx.Proto._onload = function(e)
{
this.debug("qooxdoo " + qx.core.Version.toString());
// Print out class information
this.debug("loaded " + qx.lang.Object.getLength(qx.OO.classes) + " classes");
// Print browser information
var cl = qx.core.Client.getInstance();
this.debug("client: " + cl.getEngine() + "-" + cl.getMajor() + "."
+ cl.getMinor() + "/" + cl.getPlatform() + "/" + cl.getLocale());
if (cl.isMshtml() && !cl.isInQuirksMode()) {
this.warn("Wrong box sizing: Please modify the document's DOCTYPE!");
}
// Init component from settings
this.setComponent(new qx.OO.classes[this.getSetting("component")](this));
// Send onload
return this.getComponent()._onload(e);
}
/**
* beforeunload event handler
*
* @param e {Object} event
*/
qx.Proto._onbeforeunload = function(e)
{
// Send onbeforeunload event (can be cancelled)
return this.getComponent()._onbeforeunload(e);
}
/**
* unload event handler
*
* @param e {Object} event
*/
qx.Proto._onunload = function(e)
{
// Send onunload event (last event)
this.getComponent()._onunload(e);
// Dispose all qooxdoo objects
qx.core.Object.dispose();
}
/*
---------------------------------------------------------------------------
DISPOSER
---------------------------------------------------------------------------
*/
/**
* Destructor
*/
qx.Proto.dispose = function()
{
if (this.getDisposed()) {
return;
}
// Detach Events
qx.html.EventRegistration.removeEventListener(window, "load", this.__onload);
qx.html.EventRegistration.removeEventListener(window, "beforeunload", this.__onbeforeunload);
qx.html.EventRegistration.removeEventListener(window, "unload", this.__onunload);
// Reset inline functions
this.__onload = this.__onbeforeunload = this.__onunload = null;
if (this._applicationInstance) {
this._applicationInstance.dispose();
this._applicationInstance = null;
}
qx.core.Target.prototype.dispose.call(this);
}
/*
---------------------------------------------------------------------------
DIRECT SINGLETON INSTANCE
---------------------------------------------------------------------------
*/
/**
* Singleton Instance Getter
*/
qx.Class.getInstance = qx.lang.Function.returnInstance;
// Force direct creation
qx.Class.getInstance();
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