<?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 id="marqueeBindings"
xmlns="http://www.mozilla.org/xbl"
xmlns:html="http://www.w3.org/1999/xhtml"
xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
xmlns:xbl="http://www.mozilla.org/xbl">
<binding id="marquee" bindToUntrustedContent="true">
<resources>
<stylesheet src="chrome://xbl-marquee/content/xbl-marquee.css"/>
</resources>
<implementation>
<property name="scrollAmount" exposeToUntrustedContent="true">
<getter>
<![CDATA[
this._mutationActor(this._mutationObserver.takeRecords());
return this._scrollAmount;
]]>
</getter>
<setter>
<![CDATA[
var val = parseInt(val);
if (val < 0) {
return;
}
if (isNaN(val)) {
val = 0;
}
this.setAttribute("scrollamount", val);
]]>
</setter>
</property>
<property name="scrollDelay" exposeToUntrustedContent="true">
<getter>
<![CDATA[
this._mutationActor(this._mutationObserver.takeRecords());
var val = parseInt(this.getAttribute("scrolldelay"));
if (val <= 0 || isNaN(val)) {
return this._scrollDelay;
}
return val;
]]>
</getter>
<setter>
var val = parseInt(val);
if (val > 0 ) {
this.setAttribute("scrolldelay", val);
}
</setter>
</property>
<property name="trueSpeed" exposeToUntrustedContent="true">
<getter>
<![CDATA[
if (!this.hasAttribute("truespeed")) {
return false;
}
return true;
]]>
</getter>
<setter>
<![CDATA[
if (val) {
this.setAttribute("truespeed", "");
} else {
this.removeAttribute('truespeed');
}
]]>
</setter>
</property>
<property name="direction" exposeToUntrustedContent="true">
<getter>
this._mutationActor(this._mutationObserver.takeRecords());
return this._direction;
</getter>
<setter>
<![CDATA[
if (typeof val == 'string') {
val = val.toLowerCase();
} else {
return;
}
if (val != 'left' && val != 'right' && val != 'up' && val != 'down') {
val = 'left';
}
this.setAttribute("direction", val);
]]>
</setter>
</property>
<property name="behavior" exposeToUntrustedContent="true">
<getter>
this._mutationActor(this._mutationObserver.takeRecords());
return this._behavior;
</getter>
<setter>
if (typeof val == 'string') {
val = val.toLowerCase();
}
if (val == "alternate" || val == "slide" || val == 'scroll') {
this.setAttribute("behavior", val);
}
</setter>
</property>
<property name="loop" exposeToUntrustedContent="true">
<getter>
<![CDATA[
this._mutationActor(this._mutationObserver.takeRecords());
return this._loop;
]]>
</getter>
<setter>
<![CDATA[
var val = parseInt(val);
if (val == -1 || val > 0) {
this.setAttribute("loop", val);
}
]]>
</setter>
</property>
<property name="onstart" exposeToUntrustedContent="true">
<getter>
return this.getAttribute("onstart");
</getter>
<setter>
this._setEventListener("start", val, true);
this.setAttribute("onstart", val);
</setter>
</property>
<property name="onfinish" exposeToUntrustedContent="true">
<getter>
return this.getAttribute("onfinish");
</getter>
<setter>
this._setEventListener("finish", val, true);
this.setAttribute("onfinish", val);
</setter>
</property>
<property name="onbounce" exposeToUntrustedContent="true">
<getter>
return this.getAttribute("onbounce");
</getter>
<setter>
this._setEventListener("bounce", val, true);
this.setAttribute("onbounce", val);
</setter>
</property>
<property name="outerDiv"
onget="return document.getAnonymousNodes(this)[0]"
/>
<property name="innerDiv"
onget="return document.getAnonymousElementByAttribute(this, 'class', 'innerDiv');"
/>
<property name="height" exposeToUntrustedContent="true"
onget="return this.getAttribute('height');"
onset="this.setAttribute('height', val);"
/>
<property name="width" exposeToUntrustedContent="true"
onget="return this.getAttribute('width');"
onset="this.setAttribute('width', val);"
/>
<method name="_set_scrollDelay">
<parameter name="aValue"/>
<body>
<![CDATA[
aValue = parseInt(aValue);
if (aValue <= 0) {
return;
} else if (isNaN(aValue)) {
this._scrollDelay = 85;
} else if (aValue < 60) {
if (this.trueSpeed == true) {
this._scrollDelay = aValue;
} else {
this._scrollDelay = 60;
}
} else {
this._scrollDelay = aValue;
}
]]>
</body>
</method>
<method name="_set_scrollAmount">
<parameter name="aValue"/>
<body>
<![CDATA[
aValue = parseInt(aValue);
if (isNaN(aValue)) {
this._scrollAmount = 6;
} else if (aValue < 0) {
return;
} else {
this._scrollAmount = aValue;
}
]]>
</body>
</method>
<method name="_set_behavior">
<parameter name="aValue"/>
<body>
<![CDATA[
if (typeof aValue == 'string') {
aValue = aValue.toLowerCase();
}
if (aValue != 'alternate' && aValue != 'slide' && aValue != 'scroll') {
this._behavior = 'scroll';
} else {
this._behavior = aValue;
}
]]>
</body>
</method>
<method name="_set_direction">
<parameter name="aValue"/>
<body>
<![CDATA[
if (typeof aValue == 'string') {
aValue = aValue.toLowerCase();
}
if (aValue != 'left' && aValue != 'right' && aValue != 'up' && aValue != 'down') {
aValue = 'left';
}
if (aValue != this._direction) {
this.startNewDirection = true;
}
this._direction = aValue;
]]>
</body>
</method>
<method name="_set_loop">
<parameter name="aValue"/>
<body>
<![CDATA[
var aValue = parseInt(aValue);
if (aValue == 0) {
return;
}
if (isNaN(aValue) || aValue <= -1) {
aValue = -1;
}
this._loop = aValue;
]]>
</body>
</method>
<method name="_setEventListener">
<parameter name="aName"/>
<parameter name="aValue"/>
<parameter name="aIgnoreNextCall"/>
<body>
<![CDATA[
// _setEventListener is only used for setting the attribute event
// handlers, which we want to ignore if our document is sandboxed
// without the allow-scripts keyword.
if (document.hasScriptsBlockedBySandbox) {
return true;
}
// attribute event handlers should only be added if the
// document's CSP allows it.
if (!document.inlineScriptAllowedByCSP) {
return true;
}
if (this._ignoreNextCall) {
return this._ignoreNextCall = false;
}
if (aIgnoreNextCall) {
this._ignoreNextCall = true;
}
if (typeof this["_on" + aName] == 'function') {
this.removeEventListener(aName, this["_on" + aName], false);
}
switch (typeof aValue)
{
case "function":
this["_on" + aName] = aValue;
this.addEventListener(aName, this["_on" + aName], false);
break;
case "string":
if (!aIgnoreNextCall) {
try {
// Function Xrays make this simple and safe. \o/
this["_on" + aName] = new window.Function("event", aValue);
}
catch(e) {
return false;
}
this.addEventListener(aName, this["_on" + aName], false);
}
else {
this["_on" + aName] = aValue;
}
break;
case "object":
this["_on" + aName] = aValue;
break;
default:
this._ignoreNextCall = false;
throw new Error("Invalid argument for Marquee::on" + aName);
}
return true;
]]>
</body>
</method>
<method name="_fireEvent">
<parameter name="aName"/>
<parameter name="aBubbles"/>
<parameter name="aCancelable"/>
<body>
<![CDATA[
var e = document.createEvent("Events");
e.initEvent(aName, aBubbles, aCancelable);
this.dispatchEvent(e);
]]>
</body>
</method>
<method name="start" exposeToUntrustedContent="true">
<body>
<![CDATA[
if (this.runId == 0) {
var myThis = this;
var lambda = function myTimeOutFunction(){myThis._doMove(false);}
this.runId = window.setTimeout(lambda, this._scrollDelay - this._deltaStartStop);
this._deltaStartStop = 0;
}
]]>
</body>
</method>
<method name="stop" exposeToUntrustedContent="true">
<body>
<![CDATA[
if (this.runId != 0) {
this._deltaStartStop = Date.now()- this._lastMoveDate;
clearTimeout(this.runId);
}
this.runId = 0;
]]>
</body>
</method>
<method name="_doMove">
<parameter name="aResetPosition"/>
<body>
<![CDATA[
this._lastMoveDate = Date.now();
//startNewDirection is true at first load and whenever the direction is changed
if (this.startNewDirection) {
this.startNewDirection = false; //we only want this to run once every scroll direction change
var corrvalue = 0;
switch (this._direction)
{
case "up":
var height = document.defaultView.getComputedStyle(this, "").height;
this.outerDiv.style.height = height;
if (this.originalHeight > this.outerDiv.offsetHeight) {
corrvalue = this.originalHeight - this.outerDiv.offsetHeight;
}
this.innerDiv.style.padding = height + " 0";
this.dirsign = 1;
this.startAt = (this._behavior == 'alternate') ? (this.originalHeight - corrvalue) : 0;
this.stopAt = (this._behavior == 'alternate' || this._behavior == 'slide') ?
(parseInt(height) + corrvalue) : (this.originalHeight + parseInt(height));
break;
case "down":
var height = document.defaultView.getComputedStyle(this, "").height;
this.outerDiv.style.height = height;
if (this.originalHeight > this.outerDiv.offsetHeight) {
corrvalue = this.originalHeight - this.outerDiv.offsetHeight;
}
this.innerDiv.style.padding = height + " 0";
this.dirsign = -1;
this.startAt = (this._behavior == 'alternate') ?
(parseInt(height) + corrvalue) : (this.originalHeight + parseInt(height));
this.stopAt = (this._behavior == 'alternate' || this._behavior == 'slide') ?
(this.originalHeight - corrvalue) : 0;
break;
case "right":
if (this.innerDiv.offsetWidth > this.outerDiv.offsetWidth) {
corrvalue = this.innerDiv.offsetWidth - this.outerDiv.offsetWidth;
}
this.dirsign = -1;
this.stopAt = (this._behavior == 'alternate' || this._behavior == 'slide') ?
(this.innerDiv.offsetWidth - corrvalue) : 0;
this.startAt = this.outerDiv.offsetWidth + ((this._behavior == 'alternate') ?
corrvalue : (this.innerDiv.offsetWidth + this.stopAt));
break;
case "left":
default:
if (this.innerDiv.offsetWidth > this.outerDiv.offsetWidth) {
corrvalue = this.innerDiv.offsetWidth - this.outerDiv.offsetWidth;
}
this.dirsign = 1;
this.startAt = (this._behavior == 'alternate') ? (this.innerDiv.offsetWidth - corrvalue) : 0;
this.stopAt = this.outerDiv.offsetWidth +
((this._behavior == 'alternate' || this._behavior == 'slide') ?
corrvalue : (this.innerDiv.offsetWidth + this.startAt));
}
if (aResetPosition) {
this.newPosition = this.startAt;
this._fireEvent("start", false, false);
}
} //end if
this.newPosition = this.newPosition + (this.dirsign * this._scrollAmount);
if ((this.dirsign == 1 && this.newPosition > this.stopAt) ||
(this.dirsign == -1 && this.newPosition < this.stopAt))
{
switch (this._behavior)
{
case 'alternate':
// lets start afresh
this.startNewDirection = true;
// swap direction
const swap = {left: "right", down: "up", up: "down", right: "left"};
this._direction = swap[this._direction];
this.newPosition = this.stopAt;
if ((this._direction == "up") || (this._direction == "down")) {
this.outerDiv.scrollTop = this.newPosition;
} else {
this.outerDiv.scrollLeft = this.newPosition;
}
if (this._loop != 1) {
this._fireEvent("bounce", false, true);
}
break;
case 'slide':
if (this._loop > 1) {
this.newPosition = this.startAt;
}
break;
default:
this.newPosition = this.startAt;
if ((this._direction == "up") || (this._direction == "down")) {
this.outerDiv.scrollTop = this.newPosition;
} else {
this.outerDiv.scrollLeft = this.newPosition;
}
//dispatch start event, even when this._loop == 1, comp. with IE6
this._fireEvent("start", false, false);
}
if (this._loop > 1) {
this._loop--;
} else if (this._loop == 1) {
if ((this._direction == "up") || (this._direction == "down")) {
this.outerDiv.scrollTop = this.stopAt;
} else {
this.outerDiv.scrollLeft = this.stopAt;
}
this.stop();
this._fireEvent("finish", false, true);
return;
}
}
else {
if ((this._direction == "up") || (this._direction == "down")) {
this.outerDiv.scrollTop = this.newPosition;
} else {
this.outerDiv.scrollLeft = this.newPosition;
}
}
var myThis = this;
var lambda = function myTimeOutFunction(){myThis._doMove(false);}
this.runId = window.setTimeout(lambda, this._scrollDelay);
]]>
</body>
</method>
<method name="init">
<body>
<![CDATA[
this.stop();
if ((this._direction != "up") && (this._direction != "down")) {
var width = window.getComputedStyle(this, "").width;
this.innerDiv.parentNode.style.margin = '0 ' + width;
//XXX Adding the margin sometimes causes the marquee to widen,
// see testcase from bug bug 364434:
// https://bugzilla.mozilla.org/attachment.cgi?id=249233
// Just add a fixed width with current marquee's width for now
if (width != window.getComputedStyle(this, "").width) {
var width = window.getComputedStyle(this, "").width;
this.outerDiv.style.width = width;
this.innerDiv.parentNode.style.margin = '0 ' + width;
}
}
else {
// store the original height before we add padding
this.innerDiv.style.padding = 0;
this.originalHeight = this.innerDiv.offsetHeight;
}
this._doMove(true);
]]>
</body>
</method>
<method name="_mutationActor">
<parameter name="aMutations"/>
<body>
<![CDATA[
while (aMutations.length > 0) {
var mutation = aMutations.shift();
var attrName = mutation.attributeName.toLowerCase();
var oldValue = mutation.oldValue;
var target = mutation.target;
var newValue = target.getAttribute(attrName);
if (oldValue != newValue) {
switch (attrName) {
case "loop":
target._set_loop(newValue);
if (target.rundId == 0) {
target.start();
}
break;
case "scrollamount":
target._set_scrollAmount(newValue);
break;
case "scrolldelay":
target._set_scrollDelay(newValue);
target.stop();
target.start();
break;
case "truespeed":
//needed to update target._scrollDelay
var myThis = target;
var lambda = function() {myThis._set_scrollDelay(myThis.getAttribute('scrolldelay'));}
window.setTimeout(lambda, 0);
break;
case "behavior":
target._set_behavior(newValue);
target.startNewDirection = true;
if ((oldValue == "slide" && target.newPosition == target.stopAt) ||
newValue == "alternate" || newValue == "slide") {
target.stop();
target._doMove(true);
}
break;
case "direction":
if (!newValue) {
newValue = "left";
}
target._set_direction(newValue);
break;
case "width":
case "height":
target.startNewDirection = true;
break;
case "onstart":
target._setEventListener("start", newValue);
break;
case "onfinish":
target._setEventListener("finish", newValue);
break;
case "onbounce":
target._setEventListener("bounce", newValue);
break;
}
}
}
]]>
</body>
</method>
<constructor>
<![CDATA[
// Set up state.
this._scrollAmount = 6;
this._scrollDelay = 85;
this._direction = "left";
this._behavior = "scroll";
this._loop = -1;
this.dirsign = 1;
this.startAt = 0;
this.stopAt = 0;
this.newPosition = 0;
this.runId = 0;
this.originalHeight = 0;
this.startNewDirection = true;
// hack needed to fix js error, see bug 386470
var myThis = this;
var lambda = function myScopeFunction() { if (myThis.init) myThis.init(); }
this._set_direction(this.getAttribute('direction'));
this._set_behavior(this.getAttribute('behavior'));
this._set_scrollDelay(this.getAttribute('scrolldelay'));
this._set_scrollAmount(this.getAttribute('scrollamount'));
this._set_loop(this.getAttribute('loop'));
this._setEventListener("start", this.getAttribute("onstart"));
this._setEventListener("finish", this.getAttribute("onfinish"));
this._setEventListener("bounce", this.getAttribute("onbounce"));
this.startNewDirection = true;
this._mutationObserver = new MutationObserver(this._mutationActor);
this._mutationObserver.observe(this, { attributes: true,
attributeOldValue: true,
attributeFilter: ['loop', 'scrollamount', 'scrolldelay', '', 'truespeed', 'behavior',
'direction', 'width', 'height', 'onstart', 'onfinish', 'onbounce'] });
// init needs to be run after the page has loaded in order to calculate
// the correct height/width
if (document.readyState == "complete") {
lambda();
} else {
window.addEventListener("load", lambda, false);
}
]]>
</constructor>
</implementation>
</binding>
<binding id="marquee-horizontal" bindToUntrustedContent="true"
extends="chrome://xbl-marquee/content/xbl-marquee.xml#marquee"
inheritstyle="false">
<!-- White-space isn't allowed because a marquee could be
inside 'white-space: pre' -->
<content>
<html:div style="display: -moz-box; overflow: hidden; width: -moz-available;"
><html:div style="display: -moz-box;"
><html:div class="innerDiv" style="display: table; border-spacing: 0;"
><html:div
><children
/></html:div
></html:div
></html:div
></html:div>
</content>
</binding>
<binding id="marquee-vertical" bindToUntrustedContent="true"
extends="chrome://xbl-marquee/content/xbl-marquee.xml#marquee"
inheritstyle="false">
<!-- White-space isn't allowed because a marquee could be
inside 'white-space: pre' -->
<content>
<html:div style="overflow: hidden; width: -moz-available;"
><html:div class="innerDiv"
><children
/></html:div
></html:div>
</content>
</binding>
<binding id="marquee-horizontal-editable" bindToUntrustedContent="true"
inheritstyle="false">
<!-- White-space isn't allowed because a marquee could be
inside 'white-space: pre' -->
<content>
<html:div style="display: inline-block; overflow: auto; width: -moz-available;"
><children
/></html:div>
</content>
</binding>
<binding id="marquee-vertical-editable" bindToUntrustedContent="true"
inheritstyle="false">
<!-- White-space isn't allowed because a marquee could be
inside 'white-space: pre' -->
<content>
<html:div style="overflow: auto; height: inherit; width: -moz-available;"
><children/></html:div>
</content>
</binding>
</bindings>