Hello List,
I have encountered an issue that only occurs with the build version of my Qx
1.3 app, and only occurs on the Safari browser.
The source and build apps for fine on IE, FF and Chrome. On Safari 5.0.3
for Windows XP sp2 the source app works fine, but the build app fails to
start up.
The observable symptom is that document.body is null at the point in time
when the qx.application.AbstractGui attempts to attach a mouseover listener
during application initialisation.
The stack trace is as follows:
qx.event.Manager.prototype.addListener()
qx.event.Registration.addListener()
qx.ui.tooltip.Manager.Constructor()
qx.getClass.getInstance()
qx.application.AbstractGui.prototype.main()
qx.core.Init.ready()
qx.event.dispatch.Direct.prototype.dispatchEvent()
qx.event.Manager.prototype.dispatchEvent()
qx.event.Registration.fireEvent()
qx.event.handler.Application.prototype.__ck()
(anonymous function)
qx.event.handler.Application.prototype._onNativeLoad()
(anonymous function)
To confirm the problem I added the following alerts to
qx.ui.tooltip.Manager.construct():
construct : function()
{
this.base(arguments);
// Register events
alert("1) document=" + document);
alert("2) document.body=" + document.body);
qx.event.Registration.addListener(document.body, "mouseover",
this.__onMouseOverRoot, this, true);
alert("3) post-mouseover");
// Instantiate timers
this.__showTimer = new qx.event.Timer();
this.__showTimer.addListener("interval", this.__onShowInterval, this);
this.__hideTimer = new qx.event.Timer();
this.__hideTimer.addListener("interval", this.__onHideInterval, this);
// Init mouse position
this.__mousePosition = { left: 0, top: 0 };
},
alert number 1) shows the HTMLDocument object.
alert number 2) shows null.
alert number 3) never occurs.
I have tried to replicate this error in a simple HelloWorld app, but the
problem does not occur in a trivial application.
I have also tried removing all ToolTips from my application, but it seems
that tooltip.Manager is initialised from AbstractGui even if my app doesn't
contain any ToolTips.
I am not sure why my build client won't work in Safari.
Can anyone offer any suggestions as to what I can try next?
Thanks,
Simon
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