gecko/mobile/xul/chrome/content/bindings/dialog.xml
2012-05-21 12:12:37 +01:00

110 lines
3.7 KiB
XML

<?xml version="1.0"?>
<!-- This Source Code Form is subject to the terms of the Mozilla Public
- License, v. 2.0. If a copy of the MPL was not distributed with this
- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
<bindings
xmlns="http://www.mozilla.org/xbl"
xmlns:xbl="http://www.mozilla.org/xbl"
xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<binding id="dialog">
<content orient="vertical" xbl:inherits="orient, closebutton" flex="1">
<children/>
</content>
<implementation implements="nsIDOMEventListener">
<field name="arguments"/>
<field name="parent"/>
<property name="_scrollbox" readonly="true" onget="return this.getElementsByTagName('scrollbox')[0];"/>
<constructor><![CDATA[
this._closed = false;
if (this.hasAttribute("script")) {
try {
Services.scriptloader.loadSubScript(this.getAttribute("script"), this);
} catch(e) {
throw("Dialog : Unable to load script : " + this.getAttribute("script") + "\n");
}
}
window.addEventListener("unload", this, true);
let scrollbox = this._scrollbox;
if (scrollbox) {
window.addEventListener("resize", this, true);
scrollbox.addEventListener("overflow", this, true);
}
setTimeout(this.load.bind(this), 0);
]]></constructor>
<method name="handleEvent">
<parameter name="aEvent"/>
<body><![CDATA[
switch(aEvent.type) {
case "unload":
if (aEvent.originalTarget == document)
this._removeDialog();
break;
case "resize":
case "overflow":
let scrollbox = this._scrollbox;
let style = document.defaultView.getComputedStyle(scrollbox, null);
let newHeight = Math.ceil(scrollbox.firstChild.getBoundingClientRect().height) +
parseInt(style.marginTop) +
parseInt(style.marginBottom);
scrollbox.style.minHeight = Math.min(window.innerHeight / 2, newHeight) + "px";
break;
}
]]></body>
</method>
<method name="load">
<body><![CDATA[
if (this.hasAttribute("onload")) {
let func = new Function(this.getAttribute("onload"));
func.call(this);
}
]]></body>
</method>
<method name="close">
<body><![CDATA[
if (this.hasAttribute("onclose")) {
let func = new Function(this.getAttribute("onclose"));
func.call(this);
}
this._removeDialog();
]]></body>
</method>
<method name="_removeDialog">
<body><![CDATA[
window.removeEventListener("unload", this, true);
let scrollbox = this._scrollbox;
if (scrollbox) {
window.removeEventListener("resize", this, true);
scrollbox.removeEventListener("overflow", this, true);
}
this.parentNode.parentNode.removeChild(this.parentNode);
this._closed = true;
// emit DOMModalDialogClosed event
let event = document.createEvent("Events");
event.initEvent("DOMModalDialogClosed", true, false);
let dispatcher = this.parent || getBrowser();
dispatcher.dispatchEvent(event);
]]></body>
</method>
<method name="waitForClose">
<body><![CDATA[
while (!this._closed)
Services.tm.currentThread.processNextEvent(true);
]]></body>
</method>
</implementation>
</binding>
</bindings>