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rt branch, 4.0/base64-in-rescue-outlook, created. rt-4.0.5-116-g736d274

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jbrandt at bestpractical

Aug 16, 2012, 9:34 AM

Post #1 of 1 (50 views)
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rt branch, 4.0/base64-in-rescue-outlook, created. rt-4.0.5-116-g736d274

The branch, 4.0/base64-in-rescue-outlook has been created
at 736d274b856d1e99de0e1e7fab13a1ec60b25b33 (commit)

- Log -----------------------------------------------------------------
commit 237245d3362ea1ce4d24e1b6f3c6c436f1d372c4
Author: sunnavy <sunnavy [at] bestpractical>
Date: Sun Feb 26 19:51:57 2012 +0800

remove css3pie stuff as it brings more harm than good.

it has z-index and background issues that bother us(#19044 and #19455)
and also may lock up ie8(#17896)

we use css3pie is for round corners on ie7 and ie8, maybe creating an
extension for this is more right.

diff --git a/share/html/NoAuth/css/aileron/InHeader b/share/html/NoAuth/css/aileron/InHeader
index aff24d8..e6d4cb3 100644
--- a/share/html/NoAuth/css/aileron/InHeader
+++ b/share/html/NoAuth/css/aileron/InHeader
@@ -45,9 +45,6 @@
-

diff --git a/share/html/NoAuth/css/aileron/msie-pie.css b/share/html/NoAuth/css/aileron/msie-pie.css
deleted file mode 100644
index baa9ebe..0000000
--- a/share/html/NoAuth/css/aileron/msie-pie.css
+++ /dev/null
@@ -1,58 +0,0 @@
-%# BEGIN BPS TAGGED BLOCK {{{
-%#
-%# COPYRIGHT:
-%#
-%# This software is Copyright (c) 1996-2012 Best Practical Solutions, LLC
-%# <sales [at] bestpractical>
-%#
-%# (Except where explicitly superseded by other copyright notices)
-%#
-%#
-%# LICENSE:
-%#
-%# This work is made available to you under the terms of Version 2 of
-%# the GNU General Public License. A copy of that license should have
-%# been provided with this software, but in any event can be snarfed
-%# from www.gnu.org.
-%#
-%# This work is distributed in the hope that it will be useful, but
-%# WITHOUT ANY WARRANTY; without even the implied warranty of
-%# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-%# General Public License for more details.
-%#
-%# You should have received a copy of the GNU General Public License
-%# along with this program; if not, write to the Free Software
-%# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-%# 02110-1301 or visit their web page on the internet at
-%# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
-%#
-%#
-%# CONTRIBUTION SUBMISSION POLICY:
-%#
-%# (The following paragraph is not intended to limit the rights granted
-%# to you to modify and distribute this software under the terms of
-%# the GNU General Public License and is only of importance to you if
-%# you choose to contribute your changes and enhancements to the
-%# community by submitting them to Best Practical Solutions, LLC.)
-%#
-%# By intentionally submitting any modifications, corrections or
-%# derivatives to this work, or any other work intended for use with
-%# Request Tracker, to Best Practical Solutions, LLC, you confirm that
-%# you are the copyright holder for those contributions and you grant
-%# Best Practical Solutions, LLC a nonexclusive, worldwide, irrevocable,
-%# royalty-free, perpetual, license to use, copy, create derivative
-%# works based on those contributions, and sublicense and distribute
-%# those contributions and any derivatives thereof.
-%#
-%# END BPS TAGGED BLOCK }}}
-.search-result-views,
-.ticket-transaction div.metadata span.actions,
-div#ticket-history div.downloadattachment,
-.ticket-transaction div.metadata span.type,
-.titlebox,
-.titlebox .titlebox-title .right,
-.titlebox .titlebox-title .left,
-div#footer,
-div#body {
- behavior: url(<%RT->Config->Get('WebPath')%>/NoAuth/css/images/PIE.htc);
-}
diff --git a/share/html/NoAuth/css/images/PIE.htc b/share/html/NoAuth/css/images/PIE.htc
deleted file mode 100644
index 6a40cef..0000000
--- a/share/html/NoAuth/css/images/PIE.htc
+++ /dev/null
@@ -1,77 +0,0 @@
-
-<PUBLIC:COMPONENT lightWeight="true">
- <PUBLIC:ATTACH EVENT="onresize" FOR="element" ONEVENT="update()" />
- <PUBLIC:ATTACH EVENT="onresize" FOR="window" ONEVENT="update()" />
- <PUBLIC:ATTACH EVENT="onmove" FOR="element" ONEVENT="update()" />
- <PUBLIC:ATTACH EVENT="onpropertychange" FOR="element" ONEVENT="propChanged()" />
- <PUBLIC:ATTACH EVENT="onmouseenter" FOR="element" ONEVENT="mouseEntered()" />
- <PUBLIC:ATTACH EVENT="onmouseleave" FOR="element" ONEVENT="mouseLeft()" />
- <PUBLIC:ATTACH EVENT="oncontentready" FOR="element" ONEVENT="update()" />
- <PUBLIC:ATTACH EVENT="ondocumentready" FOR="element" ONEVENT="update()" />
- <PUBLIC:ATTACH EVENT="ondetach" FOR="element" ONEVENT="cleanup()" />
-
- <script type="text/javascript">
-function i(){return function(){}}var D=window.PIE;
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-function cleanup(){var a,b;if(K){a=0;for(b=K.length;a<b;a++)K[a].h();K=null}L=null;if(M){a=0;for(b=M.length;a<b;a++){M[a].detachEvent("onpropertychange",N);M[a].detachEvent("onmouseenter",mouseEntered);M[a].detachEvent("onmouseleave",mouseLeft)}M=null}D.oa===8&&D.Ca.remove(update)}
-function init(){if(!K){var a=element;a.runtimeStyle.zoom=1;L={I:new D.mb(a),$:new D.qb(a),z:new D.ob(a),s:new D.sa(a),A:new D.tb(a),eb:new D.xb(a)};var b=new D.vb(a,L);K=[b,new D.sb(a,L,b),new D.lb(a,L,b),new D.rb(a,L,b),new D.pb(a,L,b),new D.nb(a,L,b)];var c=element;if(a=c.currentStyle.getAttribute(D.T+"watch-ancestors")){M=[];a=parseInt(a,10);b=0;for(c=c.parentNode;c&&(a==="NaN"||b++<a);){M.push(c);c.attachEvent("onpropertychange",N);c.attachEvent("onmouseenter",mouseEntered);c.attachEvent("onmouseleave",
-mouseLeft);c=c.parentNode}}D.oa===8&&D.Ca.add(update)}}element.readyState==="complete"&&update();
- </script>
-
-</PUBLIC:COMPONENT>
diff --git a/share/html/NoAuth/css/web2/InHeader b/share/html/NoAuth/css/web2/InHeader
index 408a541..a083eec 100644
--- a/share/html/NoAuth/css/web2/InHeader
+++ b/share/html/NoAuth/css/web2/InHeader
@@ -73,6 +73,3 @@ jQuery(document).ready(function(){
jQuery("#prefs-menu").addClass("sf-menu sf-js-enabled").supersubs().superfish().supposition({ speed: 'fast' });
});
</script>
-
diff --git a/share/html/NoAuth/css/web2/msie-pie.css b/share/html/NoAuth/css/web2/msie-pie.css
deleted file mode 100644
index 73d76d0..0000000
--- a/share/html/NoAuth/css/web2/msie-pie.css
+++ /dev/null
@@ -1,60 +0,0 @@
-%# BEGIN BPS TAGGED BLOCK {{{
-%#
-%# COPYRIGHT:
-%#
-%# This software is Copyright (c) 1996-2012 Best Practical Solutions, LLC
-%# <sales [at] bestpractical>
-%#
-%# (Except where explicitly superseded by other copyright notices)
-%#
-%#
-%# LICENSE:
-%#
-%# This work is made available to you under the terms of Version 2 of
-%# the GNU General Public License. A copy of that license should have
-%# been provided with this software, but in any event can be snarfed
-%# from www.gnu.org.
-%#
-%# This work is distributed in the hope that it will be useful, but
-%# WITHOUT ANY WARRANTY; without even the implied warranty of
-%# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-%# General Public License for more details.
-%#
-%# You should have received a copy of the GNU General Public License
-%# along with this program; if not, write to the Free Software
-%# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-%# 02110-1301 or visit their web page on the internet at
-%# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
-%#
-%#
-%# CONTRIBUTION SUBMISSION POLICY:
-%#
-%# (The following paragraph is not intended to limit the rights granted
-%# to you to modify and distribute this software under the terms of
-%# the GNU General Public License and is only of importance to you if
-%# you choose to contribute your changes and enhancements to the
-%# community by submitting them to Best Practical Solutions, LLC.)
-%#
-%# By intentionally submitting any modifications, corrections or
-%# derivatives to this work, or any other work intended for use with
-%# Request Tracker, to Best Practical Solutions, LLC, you confirm that
-%# you are the copyright holder for those contributions and you grant
-%# Best Practical Solutions, LLC a nonexclusive, worldwide, irrevocable,
-%# royalty-free, perpetual, license to use, copy, create derivative
-%# works based on those contributions, and sublicense and distribute
-%# those contributions and any derivatives thereof.
-%#
-%# END BPS TAGGED BLOCK }}}
-.search-result-views,
-.ticket-transaction div.metadata span.actions,
-div#ticket-history div.downloadattachment,
-.ticket-transaction div.metadata span.type,
-.titlebox,
-.titlebox .titlebox-title .right,
-.titlebox .titlebox-title .left,
-div#footer,
-#main-navigation,
-#page-navigation,
-div#body {
- behavior: url(<%RT->Config->Get('WebPath')%>/NoAuth/css/images/PIE.htc);
-}

commit a0872aea268662d85c9aabe13968ac263cca9fdf
Author: sunnavy <sunnavy [at] bestpractical>
Date: Mon Feb 27 23:57:21 2012 +0800

forgot to delete devel/third-party/PIE_uncompressed.htc

diff --git a/devel/third-party/PIE_uncompressed.htc b/devel/third-party/PIE_uncompressed.htc
deleted file mode 100644
index 78b2a36..0000000
--- a/devel/third-party/PIE_uncompressed.htc
+++ /dev/null
@@ -1,3064 +0,0 @@
-
-<PUBLIC:COMPONENT lightWeight="true">
- <PUBLIC:ATTACH EVENT="onresize" FOR="element" ONEVENT="update()" />
- <PUBLIC:ATTACH EVENT="onresize" FOR="window" ONEVENT="update()" />
- <PUBLIC:ATTACH EVENT="onmove" FOR="element" ONEVENT="update()" />
- <PUBLIC:ATTACH EVENT="onpropertychange" FOR="element" ONEVENT="propChanged()" />
- <PUBLIC:ATTACH EVENT="onmouseenter" FOR="element" ONEVENT="mouseEntered()" />
- <PUBLIC:ATTACH EVENT="onmouseleave" FOR="element" ONEVENT="mouseLeft()" />
- <PUBLIC:ATTACH EVENT="oncontentready" FOR="element" ONEVENT="update()" />
- <PUBLIC:ATTACH EVENT="ondocumentready" FOR="element" ONEVENT="update()" />
- <PUBLIC:ATTACH EVENT="ondetach" FOR="element" ONEVENT="cleanup()" />
-
- <script type="text/javascript">
-var PIE = window['PIE'];
-
-if( !PIE ) {
- PIE = window['PIE'] = {
- CSS_PREFIX: '-pie-',
- STYLE_PREFIX: 'Pie',
- CLASS_PREFIX: 'pie_'
- };
-
- // Detect IE6
- if( !window.XMLHttpRequest ) {
- PIE.isIE6 = true;
-
- // IE6 can't access properties with leading dash, but can without it.
- PIE.CSS_PREFIX = PIE.CSS_PREFIX.replace( /^-/, '' );
- }
-
- // Detect IE8
- PIE.ie8DocMode = element.document.documentMode;
- PIE.isIE8 = !!PIE.ie8DocMode;
-
- // Set up polling - this is a brute-force workaround for issues in IE8 caused by it not
- // always firing the onmove and onresize events when elements are moved or resized.
- if( PIE.ie8DocMode === 8 ) {
- PIE.ie8Poller = {
- fns: {},
-
- add: function( fn ) {
- var id = fn.id || ( fn.id = '' + new Date().getTime() + Math.random() );
- this.fns[ id ] = fn;
- },
-
- remove: function( fn ) {
- delete this.fns[ fn.id ];
- },
-
- fire: function() {
- var fns = this.fns, id;
- for( id in fns ) {
- if( fns.hasOwnProperty( id ) ) {
- fns[ id ]();
- }
- }
- }
- };
- setInterval( function() { PIE.ie8Poller.fire() }, 250 )
- }
-
-
-/**
- * Utility functions
- */
-PIE.Util = {
-
- /**
- * To create a VML element, it must be created by a Document which has the VML
- * namespace set. Unfortunately, if you try to add the namespace programatically
- * into the main document, you will get an "Unspecified error" when trying to
- * access document.namespaces before the document is finished loading. To get
- * around this, we create a DocumentFragment, which in IE land is apparently a
- * full-fledged Document. It allows adding namespaces immediately, so we add the
- * namespace there and then have it create the VML element.
- * @param {string} tag The tag name for the VML element
- * @return {Element} The new VML element
- */
- createVmlElement: function( tag ) {
- var vmlPrefix = 'css3vml',
- vmlDoc = PIE._vmlCreatorDoc;
- if( !vmlDoc ) {
- vmlDoc = PIE._vmlCreatorDoc = element.document.createDocumentFragment();
- vmlDoc.namespaces.add( vmlPrefix, 'urn:schemas-microsoft-com:vml' );
- }
- return vmlDoc.createElement( vmlPrefix + ':' + tag );
- },
-
-
- /**
- * Simple utility for merging objects
- * @param {Object} obj1 The main object into which all others will be merged
- * @param {...Object} var_args Other objects which will be merged into the first, in order
- */
- merge: function( obj1 ) {
- var i, len, p, objN, args = arguments;
- for( i = 1, len = args.length; i < len; i++ ) {
- objN = args[i];
- for( p in objN ) {
- if( objN.hasOwnProperty( p ) ) {
- obj1[ p ] = objN[ p ];
- }
- }
- }
- return obj1;
- },
-
-
- /**
- * Execute a callback function, passing it the dimensions of a given image once
- * they are known.
- * @param {string} src The source URL of the image
- * @param {function({w:number, h:number})} func The callback function to be called once the image dimensions are known
- * @param {Object} ctx A context object which will be used as the 'this' value within the executed callback function
- */
- withImageSize: function( src, func, ctx ) {
- var sizes = PIE._imgSizes || ( PIE._imgSizes = {} ),
- size = sizes[ src ], img;
- if( size ) {
- func.call( ctx, size );
- } else {
- img = new Image();
- img.onload = function() {
- size = sizes[ src ] = { w: img.width, h: img.height };
- func.call( ctx, size );
- img.onload = null;
- };
- img.src = src;
- }
- }
-};/**
- * Wrapper for length and percentage style values
- * @constructor
- * @param {string} val The CSS string representing the length. It is assumed that this will already have
- * been validated as a valid length or percentage syntax.
- */
-PIE.Length = (function() {
- function Length( val ) {
- this.val = val;
- }
-
- Length.prototype = {
- /**
- * Regular expression for matching the length unit
- * @private
- */
- unitRE: /(px|em|ex|mm|cm|in|pt|pc|%)$/,
-
- /**
- * Get the numeric value of the length
- * @return {number} The value
- */
- getNumber: function() {
- var num = this._number;
- if( num === undefined ) {
- num = this._number = parseFloat( this.val );
- }
- return num;
- },
-
- /**
- * Get the unit of the length
- * @return {string} The unit
- */
- getUnit: function() {
- var unit = this._unit, m;
- if( !unit ) {
- m = this.val.match( this.unitRE );
- unit = this._unit = ( m && m[0] ) || 'px';
- }
- return unit;
- },
-
- /**
- * Determine whether this is a percentage length value
- * @return {boolean}
- */
- isPercentage: function() {
- return this.getUnit() === '%';
- },
-
- /**
- * Resolve this length into a number of pixels.
- * @param {Element} el - the context element, used to resolve font-relative values
- * @param {(function():number|number)=} pct100 - the number of pixels that equal a 100% percentage. This can be either a number or a
- * function which will be called to return the number.
- */
- pixels: function( el, pct100 ) {
- var num = this.getNumber(),
- unit = this.getUnit();
- switch( unit ) {
- case "px":
- return num;
- case "%":
- return num * ( typeof pct100 === 'function' ? pct100() : pct100 ) / 100;
- case "em":
- return num * this.getEmPixels( el );
- case "ex":
- return num * this.getEmPixels( el ) / 2;
- default:
- return num * Length.conversions[ unit ];
- }
- },
-
- /**
- * The em and ex units are relative to the font-size of the current element,
- * however if the font-size is set using non-pixel units then we get that value
- * rather than a pixel conversion. To get around this, we keep a floating element
- * with width:1em which we insert into the target element and then read its offsetWidth.
- * But if the font-size *is* specified in pixels, then we use that directly to avoid
- * the expensive DOM manipulation.
- * @param el
- */
- getEmPixels: function( el ) {
- var fs = el.currentStyle.fontSize,
- tester, s, px;
-
- if( fs.indexOf( 'px' ) > 0 ) {
- return parseFloat( fs );
- } else {
- tester = this._tester;
- if( !tester ) {
- tester = this._tester = el.document.createElement( 'length-calc' );
- s = tester.style;
- s.width = '1em';
- s.position = 'absolute';
- s.top = s.left = -9999;
- }
- el.appendChild( tester );
- px = tester.offsetWidth;
- el.removeChild( tester );
- return px;
- }
- }
- };
-
- Length.conversions = (function() {
- var units = [ 'mm', 'cm', 'in', 'pt', 'pc' ],
- vals = {},
- parent = element.parentNode,
- i = 0, len = units.length, unit, el, s;
- for( ; i < len; i++ ) {
- unit = units[i];
- el = element.document.createElement( 'length-calc' );
- s = el.style;
- s.position = 'absolute';
- s.top = s.left = -9999;
- s.width = '100' + unit;
- parent.appendChild( el );
- vals[ unit ] = el.offsetWidth / 100;
- parent.removeChild( el );
- }
- return vals;
- })();
-
- Length.ZERO = new Length( '0' );
-
- return Length;
-})();
-/**
- * Wrapper for a CSS3 bg-position value. Takes up to 2 position keywords and 2 lengths/percentages.
- * @constructor
- * @param {Array.<PIE.Tokenizer.Token>} tokens The tokens making up the background position value.
- */
-PIE.BgPosition = (function() {
- function BgPosition( tokens ) {
- this.tokens = tokens;
- }
- BgPosition.prototype = {
- /**
- * Normalize the values into the form:
- * [ xOffsetSide, xOffsetLength, yOffsetSide, yOffsetLength ]
- * where: xOffsetSide is either 'left' or 'right',
- * yOffsetSide is either 'top' or 'bottom',
- * and x/yOffsetLength are both PIE.Length objects.
- * @return {Array}
- */
- getValues: function() {
- if( !this._values ) {
- var tokens = this.tokens,
- len = tokens.length,
- length_zero = PIE.Length.ZERO,
- length_fifty = new PIE.Length( '50%' ),
- type_ident = PIE.Tokenizer.Type.IDENT,
- type_length = PIE.Tokenizer.Type.LENGTH,
- type_percent = PIE.Tokenizer.Type.PERCENT,
- type, value,
- vert_idents = { 'top': 1, 'center': 1, 'bottom': 1 },
- horiz_idents = { 'left': 1, 'center': 1, 'right': 1 },
- vals = [ 'left', length_zero, 'top', length_zero ];
-
- // If only one value, the second is assumed to be 'center'
- if( len === 1 ) {
- tokens.push( { type: type_ident, value: 'center' } );
- len++;
- }
-
- // Two values - CSS2
- if( len === 2 ) {
- // If both idents, they can appear in either order, so switch them if needed
- if( type_ident & ( tokens[0].type | tokens[1].type ) &&
- tokens[0].value in vert_idents && tokens[1].value in horiz_idents ) {
- tokens.push( tokens.shift() );
- }
- if( tokens[0].type & type_ident ) {
- if( tokens[0].value === 'center' ) {
- vals[1] = length_fifty;
- } else {
- vals[0] = tokens[0].value;
- }
- }
- else if( tokens[0].isLengthOrPercent() ) {
- vals[1] = new PIE.Length( tokens[0].value );
- }
- if( tokens[1].type & type_ident ) {
- if( tokens[1].value === 'center' ) {
- vals[3] = length_fifty;
- } else {
- vals[2] = tokens[1].value;
- }
- }
- else if( tokens[1].isLengthOrPercent() ) {
- vals[3] = new PIE.Length( tokens[1].value );
- }
- }
-
- // Three or four values - CSS3
- else {
- // TODO
- }
-
- this._values = vals;
- }
- return this._values;
- },
-
- /**
- * Find the coordinates of the background image from the upper-left corner of the background area
- * @param {Element} el
- * @param {number} width - the width for percentages (background area width minus image width)
- * @param {number} height - the height for percentages (background area height minus image height)
- * @return {Object} { x: Number, y: Number }
- */
- coords: function( el, width, height ) {
- var vals = this.getValues(),
- pxX = vals[1].pixels( el, width ),
- pxY = vals[3].pixels( el, height );
-
- return {
- x: Math.round( vals[0] === 'right' ? width - pxX : pxX ),
- y: Math.round( vals[2] === 'bottom' ? height - pxY : pxY )
- };
- }
- };
-
- return BgPosition;
-})();/**
- * Wrapper for angle values; handles conversion to degrees from all allowed angle units
- * @constructor
- * @param {string} val The raw CSS value for the angle. It is assumed it has been pre-validated.
- */
-PIE.Angle = (function() {
- function Angle( val ) {
- this.val = val;
- }
- Angle.prototype = {
- unitRE: /[a-z]+$/i,
-
- /**
- * @return {string} The unit of the angle value
- */
- getUnit: function() {
- return this._unit || ( this._unit = this.val.match( this.unitRE )[0].toLowerCase() );
- },
-
- /**
- * Get the numeric value of the angle in degrees.
- * @return {number} The degrees value
- */
- degrees: function() {
- var deg = this._deg, u, n;
- if( deg === undefined ) {
- u = this.getUnit();
- n = parseFloat( this.val, 10 );
- deg = this._deg = ( u === 'deg' ? n : u === 'rad' ? n / Math.PI * 180 : u === 'grad' ? n / 400 * 360 : u === 'turn' ? n * 360 : 0 );
- }
- return deg;
- }
- };
-
- return Angle;
-})();/**
- * Abstraction for colors values. Allows detection of rgba values.
- * @constructor
- * @param {string} val The raw CSS string value for the color
- */
-PIE.Color = (function() {
- function Color( val ) {
- this.val = val;
- }
-
- /**
- * Regular expression for matching rgba colors and extracting their components
- * @type {RegExp}
- */
- Color.rgbaRE = /\s*rgba$\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d+|\d*\.\d+)\s*$\s*/;
-
- Color.prototype = {
- /**
- * @private
- */
- parse: function() {
- if( !this._color ) {
- var v = this.val,
- m = v.match( Color.rgbaRE );
- if( m ) {
- this._color = 'rgb(' + m[1] + ',' + m[2] + ',' + m[3] + ')';
- this._alpha = parseFloat( m[4] );
- } else {
- this._color = v;
- this._alpha = 1;
- }
- }
- },
-
- /**
- * Retrieve the value of the color in a format usable by IE natively. This will be the same as
- * the raw input value, except for rgba values which will be converted to an rgb value.
- * @param {Element} el The context element, used to get 'currentColor' keyword value.
- * @return {string} Color value
- */
- value: function( el ) {
- this.parse();
- return this._color === 'currentColor' ? el.currentStyle.color : this._color;
- },
-
- /**
- * Retrieve the alpha value of the color. Will be 1 for all values except for rgba values
- * with an alpha component.
- * @return {number} The alpha value, from 0 to 1.
- */
- alpha: function() {
- this.parse();
- return this._alpha;
- }
- };
-
- return Color;
-})();/**
- * A tokenizer for CSS value strings.
- * @constructor
- * @param {string} css The CSS value string
- */
-PIE.Tokenizer = (function() {
- function Tokenizer( css ) {
- this.css = css;
- this.ch = 0;
- this.tokens = [];
- this.tokenIndex = 0;
- }
-
- /**
- * Enumeration of token type constants.
- * @enum {number}
- */
- var Type = Tokenizer.Type = {
- ANGLE: 1,
- CHARACTER: 2,
- COLOR: 4,
- DIMEN: 8,
- FUNCTION: 16,
- IDENT: 32,
- LENGTH: 64,
- NUMBER: 128,
- OPERATOR: 256,
- PERCENT: 512,
- STRING: 1024,
- URL: 2048
- };
-
- /**
- * A single token
- * @constructor
- * @param {number} type The type of the token - see PIE.Tokenizer.Type
- * @param {string} value The value of the token
- */
- Tokenizer.Token = function( type, value ) {
- this.type = type;
- this.value = value;
- };
- Tokenizer.Token.prototype = {
- isLength: function() {
- return this.type & Type.LENGTH || ( this.type & Type.NUMBER && this.value === '0' );
- },
- isLengthOrPercent: function() {
- return this.isLength() || this.type & Type.PERCENT;
- }
- };
-
- Tokenizer.prototype = {
- whitespace: /\s/,
- number: /^[\+\-]?(\d*\.)?\d+/,
- url: /^url$\s*("([^"]*)"|'([^']*)'|([!#$%&*-~]*))\s*$/i,
- ident: /^\-?[_a-z][\w-]*/i,
- string: /^("([^"]*)"|'([^']*)')/,
- operator: /^[\/,]/,
- hash: /^#[\w]+/,
- hashColor: /^#([\da-f]{6}|[\da-f]{3})/i,
-
- unitTypes: {
- 'px': Type.LENGTH, 'em': Type.LENGTH, 'ex': Type.LENGTH,
- 'mm': Type.LENGTH, 'cm': Type.LENGTH, 'in': Type.LENGTH,
- 'pt': Type.LENGTH, 'pc': Type.LENGTH,
- 'deg': Type.ANGLE, 'rad': Type.ANGLE, 'grad': Type.ANGLE
- },
-
- colorNames: {
- 'aqua':1, 'black':1, 'blue':1, 'fuchsia':1, 'gray':1, 'green':1, 'lime':1, 'maroon':1,
- 'navy':1, 'olive':1, 'purple':1, 'red':1, 'silver':1, 'teal':1, 'white':1, 'yellow': 1,
- 'currentColor': 1
- },
-
- colorFunctions: {
- 'rgb': 1, 'rgba': 1, 'hsl': 1, 'hsla': 1
- },
-
-
- /**
- * Advance to and return the next token in the CSS string. If the end of the CSS string has
- * been reached, null will be returned.
- * @param {boolean} forget - if true, the token will not be stored for the purposes of backtracking with prev().
- * @return {PIE.Tokenizer.Token}
- */
- next: function( forget ) {
- var css, ch, firstChar, match, type, val,
- me = this;
-
- function newToken( type, value ) {
- var tok = new Tokenizer.Token( type, value );
- if( !forget ) {
- me.tokens.push( tok );
- me.tokenIndex++;
- }
- return tok;
- }
- function failure() {
- me.tokenIndex++;
- return null;
- }
-
- // In case we previously backed up, return the stored token in the next slot
- if( this.tokenIndex < this.tokens.length ) {
- return this.tokens[ this.tokenIndex++ ];
- }
-
- // Move past leading whitespace characters
- while( this.whitespace.test( this.css.charAt( this.ch ) ) ) {
- this.ch++;
- }
- if( this.ch >= this.css.length ) {
- return failure();
- }
-
- ch = this.ch;
- css = this.css.substring( this.ch );
- firstChar = css.charAt( 0 );
- switch( firstChar ) {
- case '#':
- if( match = css.match( this.hashColor ) ) {
- this.ch += match[0].length;
- return newToken( Type.COLOR, match[0] );
- }
- break;
-
- case '"':
- case "'":
- if( match = css.match( this.string ) ) {
- this.ch += match[0].length;
- return newToken( Type.STRING, match[2] || match[3] || '' );
- }
- break;
-
- case "/":
- case ",":
- this.ch++;
- return newToken( Type.OPERATOR, firstChar );
-
- case 'u':
- if( match = css.match( this.url ) ) {
- this.ch += match[0].length;
- return newToken( Type.URL, match[2] || match[3] || match[4] || '' );
- }
- }
-
- // Numbers and values starting with numbers
- if( match = css.match( this.number ) ) {
- val = match[0];
- this.ch += val.length;
-
- // Check if it is followed by a unit
- if( css.charAt( val.length ) === '%' ) {
- this.ch++;
- return newToken( Type.PERCENT, val + '%' );
- }
- if( match = css.substring( val.length ).match( this.ident ) ) {
- val += match[0];
- this.ch += match[0].length;
- return newToken( this.unitTypes[ match[0].toLowerCase() ] || Type.DIMEN, val );
- }
-
- // Plain ol' number
- return newToken( Type.NUMBER, val );
- }
-
- // Identifiers
- if( match = css.match( this.ident ) ) {
- val = match[0];
- this.ch += val.length;
-
- // Named colors
- if( val.toLowerCase() in this.colorNames ) {
- return newToken( Type.COLOR, val );
- }
-
- // Functions
- if( css.charAt( val.length ) === '(' ) {
- this.ch++;
-
- // Color values in function format: rgb, rgba, hsl, hsla
- if( val.toLowerCase() in this.colorFunctions ) {
- function isNum( tok ) {
- return tok && tok.type & Type.NUMBER;
- }
- function isNumOrPct( tok ) {
- return tok && ( tok.type & ( Type.NUMBER | Type.PERCENT ) );
- }
- function isValue( tok, val ) {
- return tok && tok.value === val;
- }
- function next() {
- return me.next( 1 );
- }
-
- if( ( val.charAt(0) === 'r' ? isNumOrPct( next() ) : isNum( next() ) ) &&
- isValue( next(), ',' ) &&
- isNumOrPct( next() ) &&
- isValue( next(), ',' ) &&
- isNumOrPct( next() ) &&
- ( val === 'rgb' || val === 'hsa' || (
- isValue( next(), ',' ) &&
- isNum( next() )
- ) ) &&
- isValue( next(), ')' ) ) {
- return newToken( Type.COLOR, this.css.substring( ch, this.ch ) );
- }
- return failure();
- }
-
- return newToken( Type.FUNCTION, val + '(' );
- }
-
- // Other identifier
- return newToken( Type.IDENT, val );
- }
-
- // Standalone character
- this.ch++;
- return newToken( Type.CHARACTER, firstChar );
- },
-
- /**
- * Determine whether there is another token
- * @return {boolean}
- */
- hasNext: function() {
- var next = this.next();
- this.prev();
- return !!next;
- },
-
- /**
- * Back up and return the previous token
- * @return {PIE.Tokenizer.Token}
- */
- prev: function() {
- return this.tokens[ this.tokenIndex-- - 2 ];
- },
-
- /**
- * Retrieve all the tokens in the CSS string
- * @return {Array.<PIE.Tokenizer.Token>}
- */
- all: function() {
- while( this.next() ) {}
- return this.tokens;
- },
-
- /**
- * Return a list of tokens from the current position until the given function returns
- * true. The final token will not be included in the list.
- * @param {function():boolean} func - test function
- * @param {boolean} require - if true, then if the end of the CSS string is reached
- * before the test function returns true, null will be returned instead of the
- * tokens that have been found so far.
- * @return {Array.<PIE.Tokenizer.Token>}
- */
- until: function( func, require ) {
- var list = [], t, hit;
- while( t = this.next() ) {
- if( func( t ) ) {
- hit = true;
- this.prev();
- break;
- }
- list.push( t );
- }
- return require && !hit ? null : list;
- }
- };
-
- return Tokenizer;
-})();PIE.StyleInfoBase = {
-
- /**
- * Create a new StyleInfo class, with the standard constructor, and augmented by
- * the StyleInfoBase's members.
- * @param proto
- */
- newStyleInfo: function( proto ) {
- function StyleInfo( el ) {
- this.element = el;
- }
- PIE.Util.merge( StyleInfo.prototype, PIE.StyleInfoBase, proto );
- return StyleInfo;
- },
-
- /**
- * Get an object representation of the target CSS style, caching it as long as the
- * underlying CSS value hasn't changed.
- * @return {Object}
- */
- getProps: function() {
- if( this.changed() ) {
- this._props = this.parseCss( this._css = this.getCss() );
- }
- return this._props;
- },
-
- /**
- * Get the raw CSS value for the target style
- * @return {string}
- */
- getCss: function() {
- var el = this.element,
- s = el.style,
- cs = el.currentStyle,
- cssProp = this.cssProperty,
- styleProp = this.styleProperty,
- prefixedCssProp = this._prefixedCssProp || ( this._prefixedCssProp = PIE.CSS_PREFIX + cssProp ),
- prefixedStyleProp = this._prefixedStyleProp || ( this._prefixedStyleProp = PIE.STYLE_PREFIX + styleProp.charAt(0).toUpperCase() + styleProp.substring(1) );
- return s[ prefixedStyleProp ] || cs.getAttribute( prefixedCssProp ) || s[ styleProp ] || cs.getAttribute( cssProp );
- },
-
- /**
- * Determine whether the target CSS style is active.
- * @return {boolean}
- */
- isActive: function() {
- return !!this.getProps();
- },
-
- /**
- * Determine whether the target CSS style has changed since the last time it was parsed.
- * @return {boolean}
- */
- changed: function() {
- return this._css !== this.getCss();
- }
-};
-/**
- * Handles parsing, caching, and detecting changes to background (and -pie-background) CSS
- * @constructor
- * @param {Element} el the target element
- */
-PIE.BackgroundStyleInfo = PIE.StyleInfoBase.newStyleInfo( {
-
- cssProperty: PIE.CSS_PREFIX + 'background',
- styleProperty: PIE.STYLE_PREFIX + 'Background',
-
- attachIdents: { 'scroll':1, 'fixed':1, 'local':1 },
- repeatIdents: { 'repeat-x':1, 'repeat-y':1, 'repeat':1, 'no-repeat':1 },
- originIdents: { 'padding-box':1, 'border-box':1, 'content-box':1 },
- clipIdents: { 'padding-box':1, 'border-box':1 },
- positionIdents: { 'top':1, 'right':1, 'bottom':1, 'left':1, 'center':1 },
- sizeIdents: { 'contain':1, 'cover':1 },
-
- /**
- * For background styles, we support the -pie-background property but fall back to the standard
- * backround* properties. The reason we have to use the prefixed version is that IE natively
- * parses the standard properties and if it sees something it doesn't know how to parse, for example
- * multiple values or gradient definitions, it will throw that away and not make it available through
- * currentStyle.
- *
- * Format of return object:
- * {
- * color: <PIE.Color>,
- * images: [.
- * {
- * type: 'image',
- * url: 'image.png',
- * repeat: <'no-repeat' | 'repeat-x' | 'repeat-y' | 'repeat'>,
- * position: <PIE.BgPosition>,
- * attachment: <'scroll' | 'fixed' | 'local'>,
- * origin: <'border-box' | 'padding-box' | 'content-box'>,
- * clip: <'border-box' | 'padding-box'>,
- * size: <'contain' | 'cover' | { w: <'auto' | PIE.Length>, h: <'auto' | PIE.Length> }>
- * },
- * {
- * type: 'linear-gradient',
- * gradientStart: <PIE.BgPosition>,
- * angle: <PIE.Angle>,
- * stops: [.
- * { color: <PIE.Color>, offset: <PIE.Length> },
- * { color: <PIE.Color>, offset: <PIE.Length> }, ...
- * ]
- * }
- * ]
- * }
- * @param {String} css
- * @override
- */
- parseCss: function( css ) {
- var el = this.element,
- cs = el.currentStyle,
- rs = el.runtimeStyle,
- tokenizer, token, image,
- tok_type = PIE.Tokenizer.Type,
- type_operator = tok_type.OPERATOR,
- type_ident = tok_type.IDENT,
- type_color = tok_type.COLOR,
- tokType, tokVal,
- positionIdents = this.positionIdents,
- gradient, stop,
- props = null;
-
- function isBgPosToken( token ) {
- return token.isLengthOrPercent() || ( token.type & type_ident && token.value in positionIdents );
- }
-
- function sizeToken( token ) {
- return ( token.isLengthOrPercent() && new PIE.Length( token.value ) ) || ( token.value === 'auto' && 'auto' );
- }
-
- // If the CSS3-specific -pie-background property is present, parse it
- if( this.getCss3() ) {
- tokenizer = new PIE.Tokenizer( css );
- props = { images: [] };
- image = {};
-
- while( token = tokenizer.next() ) {
- tokType = token.type;
- tokVal = token.value;
-
- if( !image.type && tokType & tok_type.FUNCTION && tokVal === 'linear-gradient(' ) {
- gradient = { stops: [], type: 'linear-gradient' };
- stop = {};
- while( token = tokenizer.next() ) {
- tokType = token.type;
- tokVal = token.value;
-
- // If we reached the end of the function and had at least 2 stops, flush the info
- if( tokType & tok_type.CHARACTER && tokVal === ')' ) {
- if( stop.color ) {
- gradient.stops.push( stop );
- }
- if( gradient.stops.length > 1 ) {
- PIE.Util.merge( image, gradient );
- }
- break;
- }
-
- // Color stop - must start with color
- if( tokType & type_color ) {
- // if we already have an angle/position, make sure that the previous token was a comma
- if( gradient.angle || gradient.gradientStart ) {
- token = tokenizer.prev();
- if( token.type !== type_operator ) {
- break; //fail
- }
- tokenizer.next();
- }
-
- stop = {
- color: new PIE.Color( tokVal )
- };
- // check for offset following color
- token = tokenizer.next();
- if( token.isLengthOrPercent() ) {
- stop.offset = new PIE.Length( token.value );
- } else {
- tokenizer.prev();
- }
- }
- // Angle - can only appear in first spot
- else if( tokType & tok_type.ANGLE && !gradient.angle && !stop.color && !gradient.stops.length ) {
- gradient.angle = new PIE.Angle( token.value );
- }
- else if( isBgPosToken( token ) && !gradient.gradientStart && !stop.color && !gradient.stops.length ) {
- tokenizer.prev();
- gradient.gradientStart = new PIE.BgPosition(
- tokenizer.until( function( t ) {
- return !isBgPosToken( t );
- }, false )
- );
- }
- else if( tokType & type_operator && tokVal === ',' ) {
- if( stop.color ) {
- gradient.stops.push( stop );
- stop = {};
- }
- }
- else {
- // Found something we didn't recognize; fail without adding image
- break;
- }
- }
- }
- else if( !image.type && tokType & tok_type.URL ) {
- image.url = tokVal;
- image.type = 'image';
- }
- else if( isBgPosToken( token ) && !image.size ) {
- tokenizer.prev();
- image.position = new PIE.BgPosition(
- tokenizer.until( function( t ) {
- return !isBgPosToken( t );
- }, false )
- );
- }
- else if( tokType & type_ident ) {
- if( tokVal in this.repeatIdents ) {
- image.repeat = tokVal;
- }
- else if( tokVal in this.originIdents ) {
- image.origin = tokVal;
- if( tokVal in this.clipIdents ) {
- image.clip = tokVal;
- }
- }
- else if( tokVal in this.attachIdents ) {
- image.attachment = tokVal;
- }
- }
- else if( tokType & type_color && !props.color ) {
- props.color = new PIE.Color( tokVal );
- }
- else if( tokType & type_operator ) {
- // background size
- if( tokVal === '/' ) {
- token = tokenizer.next();
- tokType = token.type;
- tokVal = token.value;
- if( tokType & type_ident && tokVal in this.sizeIdents ) {
- image.size = tokVal;
- }
- else if( tokVal = sizeToken( token ) ) {
- image.size = {
- w: tokVal,
- h: sizeToken( tokenizer.next() ) || ( tokenizer.prev() && tokVal )
- };
- }
- }
- // new layer
- else if( tokVal === ',' && image.type ) {
- props.images.push( image );
- image = {};
- }
- }
- else {
- // Found something unrecognized; chuck everything
- return null;
- }
- }
-
- // leftovers
- if( image.type ) {
- props.images.push( image );
- }
- }
-
- // Otherwise, use the standard background properties; let IE give us the values rather than parsing them
- else {
- this.withActualBg( function() {
- var posX = cs.backgroundPositionX,
- posY = cs.backgroundPositionY,
- img = cs.backgroundImage,
- color = cs.backgroundColor;
-
- props = {};
- if( color !== 'transparent' ) {
- props.color = new PIE.Color( color )
- }
- if( img !== 'none' ) {
- props.images = [. {
- type: 'image',
- url: new PIE.Tokenizer( img ).next().value,
- repeat: cs.backgroundRepeat,
- position: new PIE.BgPosition( new PIE.Tokenizer( posX + ' ' + posY ).all() )
- } ];
- }
- } );
- }
-
- return props;
- },
-
- /**
- * Execute a function with the actual background styles (not overridden with runtimeStyle
- * properties set by the renderers) available via currentStyle.
- * @param fn
- */
- withActualBg: function( fn ) {
- var rs = this.element.runtimeStyle,
- rsImage = rs.backgroundImage,
- rsColor = rs.backgroundColor,
- ret;
-
- rs.backgroundImage = rs.backgroundColor = '';
-
- ret = fn.call( this );
-
- rs.backgroundImage = rsImage;
- rs.backgroundColor = rsColor;
-
- return ret;
- },
-
- getCss: function() {
- var cs = this.element.currentStyle;
- return this.getCss3() ||
- this.withActualBg( function() {
- return cs.backgroundColor + ' ' + cs.backgroundImage + ' ' + cs.backgroundRepeat + ' ' +
- cs.backgroundPositionX + ' ' + cs.backgroundPositionY;
- } );
- },
-
- getCss3: function() {
- var el = this.element;
- return el.style[ this.styleProperty ] || el.currentStyle.getAttribute( this.cssProperty );
- },
-
- /**
- * The isActive logic is slightly different, because getProps() always returns an object
- * even if it is just falling back to the native background properties. But we only want
- * to report is as being "active" if the -pie-background override property is present and
- * parses successfully.
- */
- isActive: function() {
- return this.getCss3() && !!this.getProps();
- }
-
-} );/**
- * Handles parsing, caching, and detecting changes to border CSS
- * @constructor
- * @param {Element} el the target element
- */
-PIE.BorderStyleInfo = PIE.StyleInfoBase.newStyleInfo( {
-
- sides: [ 'Top', 'Right', 'Bottom', 'Left' ],
- namedWidths: {
- thin: '1px',
- medium: '3px',
- thick: '5px'
- },
-
- parseCss: function( css ) {
- var w = {},
- s = {},
- c = {},
- active = false,
- colorsSame = true,
- stylesSame = true,
- widthsSame = true;
-
- this.withActualBorder( function() {
- var el = this.element,
- cs = el.currentStyle,
- i = 0,
- style, color, width, lastStyle, lastColor, lastWidth, side, ltr;
- for( ; i < 4; i++ ) {
- side = this.sides[ i ];
-
- ltr = side.charAt(0).toLowerCase();
- style = s[ ltr ] = cs[ 'border' + side + 'Style' ];
- color = cs[ 'border' + side + 'Color' ];
- width = cs[ 'border' + side + 'Width' ];
-
- if( i > 0 ) {
- if( style !== lastStyle ) { stylesSame = false; }
- if( color !== lastColor ) { colorsSame = false; }
- if( width !== lastWidth ) { widthsSame = false; }
- }
- lastStyle = style;
- lastColor = color;
- lastWidth = width;
-
- c[ ltr ] = new PIE.Color( color );
-
- width = w[ ltr ] = new PIE.Length( s[ ltr ] === 'none' ? '0' : ( this.namedWidths[ width ] || width ) );
- if( width.pixels( this.element ) > 0 ) {
- active = true;
- }
- }
- } );
-
- return active ? {
- widths: w,
- styles: s,
- colors: c,
- widthsSame: widthsSame,
- colorsSame: colorsSame,
- stylesSame: stylesSame
- } : null;
- },
-
- getCss: function() {
- var el = this.element,
- cs = el.currentStyle,
- css;
-
- this.withActualBorder( function() {
- css = cs.borderWidth + '|' + cs.borderStyle + '|' + cs.borderColor;
- } );
- return css;
- },
-
- /**
- * Execute a function with the actual border styles (not overridden with runtimeStyle
- * properties set by the renderers) available via currentStyle.
- * @param fn
- */
- withActualBorder: function( fn ) {
- var rs = this.element.runtimeStyle,
- rsWidth = rs.borderWidth,
- rsStyle = rs.borderStyle,
- rsColor = rs.borderColor,
- ret;
-
- rs.borderWidth = rs.borderStyle = rs.borderColor = '';
-
- ret = fn.call( this );
-
- rs.borderWidth = rsWidth;
- rs.borderStyle = rsStyle;
- rs.borderColor = rsColor;
-
- return ret;
- }
-
-} );
-/**
- * Handles parsing, caching, and detecting changes to border-radius CSS
- * @constructor
- * @param {Element} el the target element
- */
-(function() {
-
-PIE.BorderRadiusStyleInfo = PIE.StyleInfoBase.newStyleInfo( {
-
- cssProperty: 'border-radius',
- styleProperty: 'borderRadius',
-
- parseCss: function( css ) {
- var p = null, x, y,
- tokenizer, token, length,
- hasNonZero = false;
-
- function newLength( v ) {
- return new PIE.Length( v );
- }
-
- if( css ) {
- tokenizer = new PIE.Tokenizer( css );
-
- function collectLengths() {
- var arr = [], num;
- while( ( token = tokenizer.next() ) && token.isLengthOrPercent() ) {
- length = newLength( token.value );
- num = length.getNumber();
- if( num < 0 ) {
- return null;
- }
- if( num > 0 ) {
- hasNonZero = true;
- }
- arr.push( length );
- }
- return arr.length > 0 && arr.length < 5 ? {
- 'tl': arr[0],
- 'tr': arr[1] || arr[0],
- 'br': arr[2] || arr[0],
- 'bl': arr[3] || arr[1] || arr[0]
- } : null;
- }
-
- // Grab the initial sequence of lengths
- if( x = collectLengths() ) {
- // See if there is a slash followed by more lengths, for the y-axis radii
- if( token ) {
- if( token.type & PIE.Tokenizer.Type.OPERATOR && token.value === '/' ) {
- y = collectLengths();
- }
- } else {
- y = x;
- }
-
- // Treat all-zero values the same as no value
- if( hasNonZero && x && y ) {
- p = { x: x, y : y };
- }
- }
- }
-
- return p;
- }
-} );
-
-var ZERO = PIE.Length.ZERO,
- zeros = { 'tl': ZERO, 'tr': ZERO, 'br': ZERO, 'bl': ZERO };
-PIE.BorderRadiusStyleInfo.ALL_ZERO = { x: zeros, y: zeros };
-
-})();/**
- * Handles parsing, caching, and detecting changes to border-image CSS
- * @constructor
- * @param {Element} el the target element
- */
-PIE.BorderImageStyleInfo = PIE.StyleInfoBase.newStyleInfo( {
-
- cssProperty: 'border-image',
- styleProperty: 'borderImage',
-
- repeatIdents: { 'stretch':1, 'round':1, 'repeat':1, 'space':1 },
-
- parseCss: function( css ) {
- var p = null, tokenizer, token, type, value,
- slices, widths, outsets,
- slashCount = 0, cs,
- Type = PIE.Tokenizer.Type,
- IDENT = Type.IDENT,
- NUMBER = Type.NUMBER,
- LENGTH = Type.LENGTH,
- PERCENT = Type.PERCENT;
-
- if( css ) {
- tokenizer = new PIE.Tokenizer( css );
- p = {};
-
- function isSlash( token ) {
- return token && ( token.type & Type.OPERATOR ) && ( token.value === '/' );
- }
-
- function isFillIdent( token ) {
- return token && ( token.type & IDENT ) && ( token.value === 'fill' );
- }
-
- function collectSlicesEtc() {
- slices = tokenizer.until( function( tok ) {
- return !( tok.type & ( NUMBER | PERCENT ) );
- } );
-
- if( isFillIdent( tokenizer.next() ) && !p.fill ) {
- p.fill = true;
- } else {
- tokenizer.prev();
- }
-
- if( isSlash( tokenizer.next() ) ) {
- slashCount++;
- widths = tokenizer.until( function( tok ) {
- return !( token.type & ( NUMBER | PERCENT | LENGTH ) ) && !( ( token.type & IDENT ) && token.value === 'auto' );
- } );
-
- if( isSlash( tokenizer.next() ) ) {
- slashCount++;
- outsets = tokenizer.until( function( tok ) {
- return !( token.type & ( NUMBER | LENGTH ) );
- } );
- }
- } else {
- tokenizer.prev();
- }
- }
-
- while( token = tokenizer.next() ) {
- type = token.type;
- value = token.value;
-
- // Numbers and/or 'fill' keyword: slice values. May be followed optionally by width values, followed optionally by outset values
- if( type & ( NUMBER | PERCENT ) && !slices ) {
- tokenizer.prev();
- collectSlicesEtc();
- }
- else if( isFillIdent( token ) && !p.fill ) {
- p.fill = true;
- collectSlicesEtc();
- }
-
- // Idents: one or values for 'repeat'
- else if( ( type & IDENT ) && this.repeatIdents[value] && !p.repeat ) {
- p.repeat = { h: value };
- if( token = tokenizer.next() ) {
- if( ( token.type & IDENT ) && this.repeatIdents[token.value] ) {
- p.repeat.v = token.value;
- } else {
- tokenizer.prev();
- }
- }
- }
-
- // URL of the image
- else if( ( type & Type.URL ) && !p.src ) {
- p.src = value;
- }
-
- // Found something unrecognized; exit.
- else {
- return null;
- }
- }
-
- // Validate what we collected
- if( !p.src || !slices || slices.length < 1 || slices.length > 4 ||
- ( widths && widths.length > 4 ) || ( slashCount === 1 && widths.length < 1 ) ||
- ( outsets && outsets.length > 4 ) || ( slashCount === 2 && outsets.length < 1 ) ) {
- return null;
- }
-
- // Fill in missing values
- if( !p.repeat ) {
- p.repeat = { h: 'stretch' };
- }
- if( !p.repeat.v ) {
- p.repeat.v = p.repeat.h;
- }
-
- function distributeSides( tokens, convertFn ) {
- return {
- t: convertFn( tokens[0] ),
- r: convertFn( tokens[1] || tokens[0] ),
- b: convertFn( tokens[2] || tokens[0] ),
- l: convertFn( tokens[3] || tokens[1] || tokens[0] )
- };
- }
-
- p.slice = distributeSides( slices, function( tok ) {
- return new PIE.Length( ( tok.type & NUMBER ) ? tok.value + 'px' : tok.value );
- } );
-
- p.width = widths && widths.length > 0 ?
- distributeSides( widths, function( tok ) {
- return tok.type & ( LENGTH | PERCENT ) ? new PIE.Length( tok.value ) : tok.value;
- } ) :
- ( cs = this.element.currentStyle ) && {
- t: new PIE.Length( cs.borderTopWidth ),
- r: new PIE.Length( cs.borderRightWidth ),
- b: new PIE.Length( cs.borderBottomWidth ),
- l: new PIE.Length( cs.borderLeftWidth )
- };
-
- p.outset = distributeSides( outsets || [ 0 ], function( tok ) {
- return tok.type & LENGTH ? new PIE.Length( tok.value ) : tok.value;
- } );
- }
-
- return p;
- }
-} );/**
- * Handles parsing, caching, and detecting changes to box-shadow CSS
- * @constructor
- * @param {Element} el the target element
- */
-PIE.BoxShadowStyleInfo = PIE.StyleInfoBase.newStyleInfo( {
-
- cssProperty: 'box-shadow',
- styleProperty: 'boxShadow',
-
- parseCss: function( css ) {
- var props,
- Length = PIE.Length,
- Type = PIE.Tokenizer.Type,
- tokenizer;
-
- if( css ) {
- tokenizer = new PIE.Tokenizer( css );
- props = { outset: [], inset: [] };
-
- function parseItem() {
- var token, type, value, color, lengths, inset, len;
-
- while( token = tokenizer.next() ) {
- value = token.value;
- type = token.type;
-
- if( type & Type.OPERATOR && value === ',' ) {
- break;
- }
- else if( token.isLength() && !lengths ) {
- tokenizer.prev();
- lengths = tokenizer.until( function( token ) {
- return !token.isLength();
- } );
- }
- else if( type & Type.COLOR && !color ) {
- color = value;
- }
- else if( type & Type.IDENT && value === 'inset' && !inset ) {
- inset = true;
- }
- else { //encountered an unrecognized token; fail.
- return false;
- }
- }
-
- len = lengths && lengths.length;
- if( len > 1 && len < 5 ) {
- ( inset ? props.inset : props.outset ).push( {
- xOffset: new Length( lengths[0].value ),
- yOffset: new Length( lengths[1].value ),
- blur: new Length( lengths[2] ? lengths[2].value : '0' ),
- spread: new Length( lengths[3] ? lengths[3].value : '0' ),
- color: new PIE.Color( color || 'currentColor' )
- } );
- return true;
- }
- return false;
- }
-
- while( parseItem() ) {}
- }
-
- return props && ( props.inset.length || props.outset.length ) ? props : null;
- }
-} );
-/**
- * Retrieves the state of the element's visibility and display
- * @constructor
- * @param {Element} el the target element
- */
-PIE.VisibilityStyleInfo = PIE.StyleInfoBase.newStyleInfo( {
-
- getCss: function() {
- var cs = this.element.currentStyle;
- return cs.visibility + '|' + cs.display;
- },
-
- parseCss: function() {
- var el = this.element,
- rs = el.runtimeStyle,
- cs = el.currentStyle,
- rsVis = rs.visibility,
- csVis;
-
- rs.visibility = '';
- csVis = cs.visibility;
- rs.visibility = rsVis;
-
- return {
- visible: csVis !== 'hidden',
- displayed: cs.display !== 'none'
- }
- },
-
- /**
- * Always return false for isActive, since this property alone will not trigger
- * a renderer to do anything.
- */
- isActive: function() {
- return false;
- }
-
-} );
-PIE.RendererBase = {
-
- /**
- * Create a new Renderer class, with the standard constructor, and augmented by
- * the RendererBase's members.
- * @param proto
- */
- newRenderer: function( proto ) {
- function Renderer( el, styleInfos, parent ) {
- this.element = el;
- this.styleInfos = styleInfos;
- this.parent = parent;
- }
- PIE.Util.merge( Renderer.prototype, PIE.RendererBase, proto );
- return Renderer;
- },
-
- /**
- * Determine if the renderer needs to be updated
- * @return {boolean}
- */
- needsUpdate: function() {
- return false;
- },
-
- /**
- * Tell the renderer to update based on modified properties
- */
- updateProps: function() {
- },
-
- /**
- * Tell the renderer to update based on modified element position
- */
- updatePos: function() {
- },
-
- /**
- * Tell the renderer to update based on modified element dimensions
- */
- updateSize: function() {
- },
-
-
- /**
- * Add a layer element, with the given z-order index, to the renderer's main box element. We can't use
- * z-index because that breaks when the root rendering box's z-index is 'auto' in IE8+ standards mode.
- * So instead we make sure they are inserted into the DOM in the correct order.
- * @param {number} index
- * @param {Element} el
- */
- addLayer: function( index, el ) {
- this.removeLayer( index );
- for( var layers = this._layers || ( this._layers = [] ), i = index + 1, len = layers.length, layer; i < len; i++ ) {
- layer = layers[i];
- if( layer ) {
- break;
- }
- }
- layers[index] = el;
- this.getBox().insertBefore( el, layer || null );
- },
-
- /**
- * Retrieve a layer element by its index, or null if not present
- * @param {number} index
- * @return {Element}
- */
- getLayer: function( index ) {
- var layers = this._layers;
- return layers && layers[index] || null;
- },
-
- /**
- * Remove a layer element by its index
- * @param {number} index
- */
- removeLayer: function( index ) {
- var layer = this.getLayer( index ),
- box = this._box;
- if( layer && box ) {
- box.removeChild( layer );
- this._layers[index] = null;
- }
- },
-
-
- /**
- * Get a VML shape by name, creating it if necessary.
- * @param {string} name A name identifying the element
- * @param {string=} subElName If specified a subelement of the shape will be created with this tag name
- * @param {Element} parent The parent element for the shape; will be ignored if 'group' is specified
- * @param {number=} group If specified, an ordinal group for the shape. 1 or greater. Groups are rendered
- * using container elements in the correct order, to get correct z stacking without z-index.
- */
- getShape: function( name, subElName, parent, group ) {
- var shapes = this._shapes || ( this._shapes = {} ),
- shape = shapes[ name ],
- s;
-
- if( !shape ) {
- shape = shapes[ name ] = PIE.Util.createVmlElement( 'shape' );
- if( subElName ) {
- shape.appendChild( shape[ subElName ] = PIE.Util.createVmlElement( subElName ) );
- }
-
- if( group ) {
- parent = this.getLayer( group );
- if( !parent ) {
- this.addLayer( group, this.element.document.createElement( 'group' + group ) );
- parent = this.getLayer( group );
- }
- }
-
- parent.appendChild( shape );
-
- s = shape.style;
- s.position = 'absolute';
- s.left = s.top = 0;
- s['behavior'] = 'url(#default#VML)';
- }
- return shape;
- },
-
- /**
- * Delete a named shape which was created by getShape(). Returns true if a shape with the
- * given name was found and deleted, or false if there was no shape of that name.
- * @param {string} name
- * @return {boolean}
- */
- deleteShape: function( name ) {
- var shapes = this._shapes,
- shape = shapes && shapes[ name ];
- if( shape ) {
- shape.parentNode.removeChild( shape );
- delete shapes[ name ];
- }
- return !!shape;
- },
-
-
- /**
- * For a given set of border radius length/percentage values, convert them to concrete pixel
- * values based on the current size of the target element.
- * @param {Object} radii
- * @return {Object}
- */
- getRadiiPixels: function( radii ) {
- var el = this.element,
- w = el.offsetWidth,
- h = el.offsetHeight,
- tlX, tlY, trX, trY, brX, brY, blX, blY, f;
-
- tlX = radii.x['tl'].pixels( el, w );
- tlY = radii.y['tl'].pixels( el, h );
- trX = radii.x['tr'].pixels( el, w );
- trY = radii.y['tr'].pixels( el, h );
- brX = radii.x['br'].pixels( el, w );
- brY = radii.y['br'].pixels( el, h );
- blX = radii.x['bl'].pixels( el, w );
- blY = radii.y['bl'].pixels( el, h );
-
- // If any corner ellipses overlap, reduce them all by the appropriate factor. This formula
- // is taken straight from the CSS3 Backgrounds and Borders spec.
- f = Math.min(
- w / ( tlX + trX ),
- h / ( trY + brY ),
- w / ( blX + brX ),
- h / ( tlY + blY )
- );
- if( f < 1 ) {
- tlX *= f;
- tlY *= f;
- trX *= f;
- trY *= f;
- brX *= f;
- brY *= f;
- blX *= f;
- blY *= f;
- }
-
- return {
- x: {
- 'tl': tlX,
- 'tr': trX,
- 'br': brX,
- 'bl': blX
- },
- y: {
- 'tl': tlY,
- 'tr': trY,
- 'br': brY,
- 'bl': blY
- }
- }
- },
-
- /**
- * Return the VML path string for the element's background box, with corners rounded.
- * @param {Object.<{t:number, r:number, b:number, l:number}>} shrink - if present, specifies number of
- * pixels to shrink the box path inward from the element's four sides.
- * @param {number=} mult If specified, all coordinates will be multiplied by this number
- * @param {Object=} radii If specified, this will be used for the corner radii instead of the properties
- * from this renderer's borderRadiusInfo object.
- * @return {string} the VML path
- */
- getBoxPath: function( shrink, mult, radii ) {
- mult = mult || 1;
-
- var r, str,
- el = this.element,
- w = el.offsetWidth * mult,
- h = el.offsetHeight * mult,
- radInfo = this.styleInfos.borderRadiusInfo,
- floor = Math.floor, ceil = Math.ceil,
- shrinkT = shrink ? shrink.t * mult : 0,
- shrinkR = shrink ? shrink.r * mult : 0,
- shrinkB = shrink ? shrink.b * mult : 0,
- shrinkL = shrink ? shrink.l * mult : 0,
- tlX, tlY, trX, trY, brX, brY, blX, blY;
-
- if( radii || radInfo.isActive() ) {
- r = this.getRadiiPixels( radii || radInfo.getProps() );
-
- tlX = r.x['tl'] * mult;
- tlY = r.y['tl'] * mult;
- trX = r.x['tr'] * mult;
- trY = r.y['tr'] * mult;
- brX = r.x['br'] * mult;
- brY = r.y['br'] * mult;
- blX = r.x['bl'] * mult;
- blY = r.y['bl'] * mult;
-
- str = 'm' + floor( shrinkL ) + ',' + floor( tlY ) +
- 'qy' + floor( tlX ) + ',' + floor( shrinkT ) +
- 'l' + ceil( w - trX ) + ',' + floor( shrinkT ) +
- 'qx' + ceil( w - shrinkR ) + ',' + floor( trY ) +
- 'l' + ceil( w - shrinkR ) + ',' + ceil( h - brY ) +
- 'qy' + ceil( w - brX ) + ',' + ceil( h - shrinkB ) +
- 'l' + floor( blX ) + ',' + ceil( h - shrinkB ) +
- 'qx' + floor( shrinkL ) + ',' + ceil( h - blY ) + ' x e';
- } else {
- // simplified path for non-rounded box
- str = 'm' + floor( shrinkL ) + ',' + floor( shrinkT ) +
- 'l' + ceil( w - shrinkR ) + ',' + floor( shrinkT ) +
- 'l' + ceil( w - shrinkR ) + ',' + ceil( h - shrinkB ) +
- 'l' + floor( shrinkL ) + ',' + ceil( h - shrinkB ) +
- 'xe';
- }
- return str;
- },
-
-
- /**
- * Get the container element for the shapes, creating it if necessary.
- */
- getBox: function() {
- var box = this.parent.getLayer( this.zIndex ), s;
-
- if( !box ) {
- box = this.element.document.createElement( this.boxName );
- s = box.style;
- s.position = 'absolute';
- s.top = s.left = 0;
- this.parent.addLayer( this.zIndex, box );
- }
-
- return box;
- },
-
-
- /**
- * Destroy the rendered objects. This is a base implementation which handles common renderer
- * structures, but individual renderers may override as necessary.
- */
- destroy: function() {
- this.parent.removeLayer( this.zIndex );
- delete this._shapes;
- delete this._layers;
- }
-};
-/**
- * Root renderer; creates the outermost container element and handles keeping it aligned
- * with the target element's size and position.
- * @param {Element} el The target element
- * @param {Object} styleInfos The StyleInfo objects
- */
-PIE.RootRenderer = PIE.RendererBase.newRenderer( {
-
- isActive: function() {
- var infos = this.styleInfos;
- for( var i in infos ) {
- if( infos.hasOwnProperty( i ) && infos[ i ].isActive() ) {
- return true;
- }
- }
- return false;
- },
-
- needsUpdate: function() {
- return this.styleInfos.visibilityInfo.changed();
- },
-
- updatePos: function() {
- if( this.isActive() ) {
- var el = this.element,
- par = el,
- docEl,
- elRect, parRect,
- s = this.getBox().style, cs,
- x = 0, y = 0;
-
- // Get the element's offsets from its nearest positioned ancestor. Uses
- // getBoundingClientRect for accuracy and speed.
- do {
- par = par.offsetParent;
- } while( par && par.currentStyle.position === 'static' );
- elRect = el.getBoundingClientRect();
- if( par ) {
- parRect = par.getBoundingClientRect();
- cs = par.currentStyle;
- x = elRect.left - parRect.left - ( parseFloat(cs.borderLeftWidth) || 0 );
- y = elRect.top - parRect.top - ( parseFloat(cs.borderTopWidth) || 0 );
- } else {
- docEl = el.document.documentElement;
- x = elRect.left + docEl.scrollLeft - docEl.clientLeft;
- y = elRect.top + docEl.scrollTop - docEl.clientTop;
- }
-
- s.left = x;
- s.top = y;
- s.zIndex = el.currentStyle.position === 'static' ? -1 : el.currentStyle.zIndex;
- }
- },
-
- updateSize: function() {
- // NO-OP
- },
-
- updateVisibility: function() {
- var vis = this.styleInfos.visibilityInfo.getProps();
- this.getBox().style.display = ( vis.visible && vis.displayed ) ? '' : 'none';
- },
-
- updateProps: function() {
- if( this.isActive() ) {
- this.updateVisibility();
- } else {
- this.destroy();
- }
- },
-
- getBox: function() {
- var box = this._box, el, s;
- if( !box ) {
- el = this.element;
- box = this._box = el.document.createElement( 'css3-container' );
- s = box.style;
-
- s.position = el.currentStyle.position === 'fixed' ? 'fixed' : 'absolute';
- this.updateVisibility();
-
- el.parentNode.insertBefore( box, el );
- }
- return box;
- },
-
- destroy: function() {
- var box = this._box;
- if( box && box.parentNode ) {
- box.parentNode.removeChild( box );
- }
- delete this._box;
- delete this._layers;
- }
-
-} );
-/**
- * Renderer for element backgrounds.
- * @constructor
- * @param {Element} el The target element
- * @param {Object} styleInfos The StyleInfo objects
- * @param {PIE.RootRenderer} parent
- */
-PIE.BackgroundRenderer = PIE.RendererBase.newRenderer( {
-
- zIndex: 2,
- boxName: 'background',
-
- needsUpdate: function() {
- var si = this.styleInfos;
- return si.backgroundInfo.changed() || si.borderRadiusInfo.changed();
- },
-
- isActive: function() {
- var si = this.styleInfos,
- el = this.element;
- return el.offsetWidth && el.offsetHeight && (
- si.borderImageInfo.isActive() ||
- si.borderRadiusInfo.isActive() ||
- si.backgroundInfo.isActive() ||
- ( si.boxShadowInfo.isActive() && si.boxShadowInfo.getProps().inset ) );
- },
-
- updateSize: function() {
- if( this.isActive() ) {
- this.draw();
- }
- },
-
- updateProps: function() {
- this.destroy();
- if( this.isActive() ) {
- this.draw();
- }
- },
-
- /**
- * Draw the shapes
- */
- draw: function() {
- this.drawBgColor();
- this.drawBgImages();
- },
-
- /**
- * Draw the background color shape
- */
- drawBgColor: function() {
- var props = this.styleInfos.backgroundInfo.getProps(),
- el = this.element,
- color = props && props.color && props.color.value( el ),
- shape, w, h, s, alpha;
-
- if( color && color !== 'transparent' ) {
- this.hideBackground();
-
- shape = this.getShape( 'bgColor', 'fill', this.getBox(), 1 );
- w = el.offsetWidth;
- h = el.offsetHeight;
- shape.stroked = false;
- shape.coordsize = w * 2 + ',' + h * 2;
- shape.coordorigin = '1,1';
- shape.path = this.getBoxPath( null, 2 );
- s = shape.style;
- s.width = w;
- s.height = h;
- shape.fill.color = color;
-
- alpha = props.color.alpha();
- if( alpha < 1 ) {
- shape.fill.opacity = alpha;
- }
- } else {
- this.deleteShape( 'bgColor' );
- }
- },
-
- /**
- * Draw all the background image layers
- */
- drawBgImages: function() {
- var props = this.styleInfos.backgroundInfo.getProps(),
- images = props && props.images,
- img, el, shape, w, h, s, i;
-
- if( images ) {
- this.hideBackground();
-
- el = this.element;
- w = el.offsetWidth,
- h = el.offsetHeight,
-
- i = images.length;
- while( i-- ) {
- img = images[i];
- shape = this.getShape( 'bgImage' + i, 'fill', this.getBox(), 2 );
-
- shape.stroked = false;
- shape.fill.type = 'tile';
- shape.fillcolor = 'none';
- shape.coordsize = w * 2 + ',' + h * 2;
- shape.coordorigin = '1,1';
- shape.path = this.getBoxPath( 0, 2 );
- s = shape.style;
- s.width = w;
- s.height = h;
-
- if( img.type === 'linear-gradient' ) {
- this.addLinearGradient( shape, img );
- }
- else {
- shape.fill.src = img.url;
- this.positionBgImage( shape, i );
- }
- }
- }
-
- // Delete any bgImage shapes previously created which weren't used above
- i = images ? images.length : 0;
- while( this.deleteShape( 'bgImage' + i++ ) ) {}
- },
-
-
- /**
- * Set the position and clipping of the background image for a layer
- * @param {Element} shape
- * @param {number} index
- */
- positionBgImage: function( shape, index ) {
- PIE.Util.withImageSize( shape.fill.src, function( size ) {
- var fill = shape.fill,
- el = this.element,
- elW = el.offsetWidth,
- elH = el.offsetHeight,
- cs = el.currentStyle,
- si = this.styleInfos,
- border = si.borderInfo.getProps(),
- bw = border && border.widths,
- bwT = bw ? bw['t'].pixels( el ) : 0,
- bwR = bw ? bw['r'].pixels( el ) : 0,
- bwB = bw ? bw['b'].pixels( el ) : 0,
- bwL = bw ? bw['l'].pixels( el ) : 0,
- bg = si.backgroundInfo.getProps().images[ index ],
- bgPos = bg.position ? bg.position.coords( el, elW - size.w - bwL - bwR, elH - size.h - bwT - bwB ) : { x:0, y:0 },
- repeat = bg.repeat,
- pxX, pxY,
- clipT = 0, clipL = 0,
- clipR = elW + 1, clipB = elH + 1, //make sure the default clip region is not inside the box (by a subpixel)
- clipAdjust = PIE.isIE8 ? 0 : 1; //prior to IE8 requires 1 extra pixel in the image clip region
-
- // Positioning - find the pixel offset from the top/left and convert to a ratio
- // The position is shifted by half a pixel, to adjust for the half-pixel coordorigin shift which is
- // needed to fix antialiasing but makes the bg image fuzzy.
- pxX = bgPos.x + bwL + 0.5;
- pxY = bgPos.y + bwT + 0.5;
- fill.position = ( pxX / elW ) + ',' + ( pxY / elH );
-
- // Repeating - clip the image shape
- if( repeat && repeat !== 'repeat' ) {
- if( repeat === 'repeat-x' || repeat === 'no-repeat' ) {
- clipT = pxY + 1;
- clipB = pxY + size.h + clipAdjust;
- }
- if( repeat === 'repeat-y' || repeat === 'no-repeat' ) {
- clipL = pxX + 1;
- clipR = pxX + size.w + clipAdjust;
- }
- shape.style.clip = 'rect(' + clipT + 'px,' + clipR + 'px,' + clipB + 'px,' + clipL + 'px)';
- }
- }, this );
- },
-
-
- /**
- * Draw the linear gradient for a gradient layer
- * @param {Element} shape
- * @param {Object} info The object holding the information about the gradient
- */
- addLinearGradient: function( shape, info ) {
- var el = this.element,
- w = el.offsetWidth,
- h = el.offsetHeight,
- fill = shape.fill,
- angle = info.angle,
- startPos = info.gradientStart,
- stops = info.stops,
- stopCount = stops.length,
- PI = Math.PI,
- startX, startY,
- endX, endY,
- startCornerX, startCornerY,
- endCornerX, endCornerY,
- vmlAngle, vmlGradientLength, vmlColors,
- deltaX, deltaY, lineLength,
- stopPx, vmlOffsetPct,
- p, i, j, before, after;
-
- /**
- * Find the point along a given line (defined by a starting point and an angle), at which
- * that line is intersected by a perpendicular line extending through another point.
- * @param x1 - x coord of the starting point
- * @param y1 - y coord of the starting point
- * @param angle - angle of the line extending from the starting point (in degrees)
- * @param x2 - x coord of point along the perpendicular line
- * @param y2 - y coord of point along the perpendicular line
- * @return [ x, y ]
- */
- function perpendicularIntersect( x1, y1, angle, x2, y2 ) {
- // Handle straight vertical and horizontal angles, for performance and to avoid
- // divide-by-zero errors.
- if( angle === 0 || angle === 180 ) {
- return [ x2, y1 ];
- }
- else if( angle === 90 || angle === 270 ) {
- return [ x1, y2 ];
- }
- else {
- // General approach: determine the Ax+By=C formula for each line (the slope of the second
- // line is the negative inverse of the first) and then solve for where both formulas have
- // the same x/y values.
- var a1 = Math.tan( -angle * PI / 180 ),
- c1 = a1 * x1 - y1,
- a2 = -1 / a1,
- c2 = a2 * x2 - y2,
- d = a2 - a1,
- endX = ( c2 - c1 ) / d,
- endY = ( a1 * c2 - a2 * c1 ) / d;
- return [ endX, endY ];
- }
- }
-
- // Find the "start" and "end" corners; these are the corners furthest along the gradient line.
- // This is used below to find the start/end positions of the CSS3 gradient-line, and also in finding
- // the total length of the VML rendered gradient-line corner to corner.
- function findCorners() {
- startCornerX = ( angle >= 90 && angle < 270 ) ? w : 0;
- startCornerY = angle < 180 ? h : 0;
- endCornerX = w - startCornerX;
- endCornerY = h - startCornerY;
- }
-
- // Normalize the angle to a value between [.0, 360)
- function normalizeAngle() {
- if( angle < 0 ) {
- angle += 360;
- }
- angle = angle % 360;
- }
-
- // Find the distance between two points
- function distance( p1, p2 ) {
- var dx = p2[0] - p1[0],
- dy = p2[1] - p1[1];
- return Math.abs(
- dx === 0 ? dy :
- dy === 0 ? dx :
- Math.sqrt( dx * dx + dy * dy )
- );
- }
-
- // Find the start and end points of the gradient
- if( startPos ) {
- startPos = startPos.coords( el, w, h );
- startX = startPos.x;
- startY = startPos.y;
- }
- if( angle ) {
- angle = angle.degrees();
-
- normalizeAngle();
- findCorners();
-
- // If no start position was specified, then choose a corner as the starting point.
- if( !startPos ) {
- startX = startCornerX;
- startY = startCornerY;
- }
-
- // Find the end position by extending a perpendicular line from the gradient-line which
- // intersects the corner opposite from the starting corner.
- p = perpendicularIntersect( startX, startY, angle, endCornerX, endCornerY );
- endX = p[0];
- endY = p[1];
- }
- else if( startPos ) {
- // Start position but no angle specified: find the end point by rotating 180deg around the center
- endX = w - startX;
- endY = h - startY;
- }
- else {
- // Neither position nor angle specified; create vertical gradient from top to bottom
- startX = startY = endX = 0;
- endY = h;
- }
- deltaX = endX - startX;
- deltaY = endY - startY;
-
- if( angle === undefined ) {
- angle = -Math.atan2( deltaY, deltaX ) / PI * 180;
- normalizeAngle();
- findCorners();
- }
-
-
- // In VML land, the angle of the rendered gradient depends on the aspect ratio of the shape's
- // bounding box; for example specifying a 45 deg angle actually results in a gradient
- // drawn diagonally from one corner to its opposite corner, which will only appear to the
- // viewer as 45 degrees if the shape is equilateral. We adjust for this by taking the x/y deltas
- // between the start and end points, multiply one of them by the shape's aspect ratio,
- // and get their arctangent, resulting in an appropriate VML angle.
- vmlAngle = Math.atan2( deltaX * w / h, deltaY ) / PI * 180;
-
- // VML angles are 180 degrees offset from CSS angles
- vmlAngle += 180;
- vmlAngle = vmlAngle % 360;
-
- // Add all the stops to the VML 'colors' list, including the first and last stops.
- // For each, we find its pixel offset along the gradient-line; if the offset of a stop is less
- // than that of its predecessor we increase it to be equal. We then map that pixel offset to a
- // percentage along the VML gradient-line, which runs from shape corner to corner.
- lineLength = distance( [ startX, startY ], [ endX, endY ] );
- vmlGradientLength = distance( [ startCornerX, startCornerY ], perpendicularIntersect( startCornerX, startCornerY, angle, endCornerX, endCornerY ) );
- vmlColors = [];
- vmlOffsetPct = distance( [ startX, startY ], perpendicularIntersect( startX, startY, angle, startCornerX, startCornerY ) ) / vmlGradientLength * 100;
-
- // Find the pixel offsets along the CSS3 gradient-line for each stop.
- stopPx = [];
- for( i = 0; i < stopCount; i++ ) {
- stopPx.push( stops[i].offset ? stops[i].offset.pixels( el, lineLength ) :
- i === 0 ? 0 : i === stopCount - 1 ? lineLength : null );
- }
- // Fill in gaps with evenly-spaced offsets
- for( i = 1; i < stopCount; i++ ) {
- if( stopPx[ i ] === null ) {
- before = stopPx[ i - 1 ];
- j = i;
- do {
- after = stopPx[ ++j ];
- } while( after === null );
- stopPx[ i ] = before + ( after - before ) / ( j - i + 1 );
- }
- // Make sure each stop's offset is no less than the one before it
- stopPx[ i ] = Math.max( stopPx[ i ], stopPx[ i - 1 ] );
- }
-
- // Convert to percentage along the VML gradient line and add to the VML 'colors' value
- for( i = 0; i < stopCount; i++ ) {
- vmlColors.push(
- ( vmlOffsetPct + ( stopPx[ i ] / vmlGradientLength * 100 ) ) + '% ' + stops[i].color.value( el )
- );
- }
-
- // Now, finally, we're ready to render the gradient fill. Set the start and end colors to
- // the first and last stop colors; this just sets outer bounds for the gradient.
- fill['angle'] = vmlAngle;
- fill['type'] = 'gradient';
- fill['method'] = 'sigma';
- fill['color'] = stops[0].color.value( el );
- fill['color2'] = stops[stopCount - 1].color.value( el );
- fill['colors'].value = vmlColors.join( ',' );
- },
-
-
- /**
- * Hide the actual background image and color of the element.
- */
- hideBackground: function() {
- var rs = this.element.runtimeStyle;
- rs.backgroundImage = 'url(about:blank)'; //ensures the background area reacts to mouse events
- rs.backgroundColor = 'transparent';
- },
-
- destroy: function() {
- PIE.RendererBase.destroy.call( this );
- var rs = this.element.runtimeStyle;
- rs.backgroundImage = rs.backgroundColor = '';
- }
-
-} );
-/**
- * Renderer for element borders.
- * @constructor
- * @param {Element} el The target element
- * @param {Object} styleInfos The StyleInfo objects
- * @param {PIE.RootRenderer} parent
- */
-PIE.BorderRenderer = PIE.RendererBase.newRenderer( {
-
- zIndex: 4,
- boxName: 'border',
-
- needsUpdate: function() {
- var si = this.styleInfos;
- return si.borderInfo.changed() || si.borderRadiusInfo.changed();
- },
-
- isActive: function() {
- var si = this.styleInfos;
- return si.borderImageInfo.isActive() ||
- si.borderRadiusInfo.isActive() ||
- si.backgroundInfo.isActive();
- },
-
- updateSize: function() {
- if( this.isActive() ) {
- this.drawBorder();
- }
- },
-
- updateProps: function() {
- this.destroy();
- if( this.isActive() ) {
- this.drawBorder();
- }
- },
-
-
- /**
- * Draw the border shape(s)
- */
- drawBorder: function() {
- var el = this.element,
- cs = el.currentStyle,
- w = el.offsetWidth,
- h = el.offsetHeight,
- props = this.styleInfos.borderInfo.getProps(),
- side, shape, stroke, bColor, bWidth, bStyle, s,
- segments, seg, i, len;
-
- if( props ) {
- this.hideBorder();
-
- segments = this.getBorderSegments( 2 );
- for( i = 0, len = segments.length; i < len; i++) {
- seg = segments[i];
- shape = this.getShape( 'borderPiece' + i, seg.stroke ? 'stroke' : 'fill', this.getBox() );
- shape.coordsize = w * 2 + ',' + h * 2;
- shape.coordorigin = '1,1';
- shape.path = seg.path;
- s = shape.style;
- s.width = w;
- s.height = h;
-
- shape.filled = !!seg.fill;
- shape.stroked = !!seg.stroke;
- if( seg.stroke ) {
- stroke = shape.stroke;
- stroke['weight'] = seg.weight + 'px';
- stroke.color = seg.color.value( el );
- stroke['dashstyle'] = seg.stroke === 'dashed' ? '2 2' : seg.stroke === 'dotted' ? '1 1' : 'solid';
- stroke['linestyle'] = seg.stroke === 'double' && seg.weight > 2 ? 'ThinThin' : 'Single';
- } else {
- shape.fill.color = seg.fill.value( el );
- }
- }
-
- // remove any previously-created border shapes which didn't get used above
- while( this.deleteShape( 'borderPiece' + i++ ) ) {}
- }
- },
-
- /**
- * Hide the actual border of the element. In IE7 and up we can just set its color to transparent;
- * however IE6 does not support transparent borders so we have to get tricky with it. Also, some elements
- * like form buttons require removing the border width altogether, so for those we increase the padding
- * by the border size.
- */
- hideBorder: function() {
- var el = this.element,
- cs = el.currentStyle,
- rs = el.runtimeStyle,
- tag = el.tagName,
- sides, side, i;
-
- if( tag === 'BUTTON' || ( tag === 'INPUT' && el.type in { 'submit':1, 'button':1, 'reset':1 } ) ) {
- rs.borderWidth = '';
- sides = this.styleInfos.borderInfo.sides;
- for( i = sides.length; i--; ) {
- side = sides[ i ];
- rs[ 'padding' + side ] = '';
- rs[ 'padding' + side ] = parseInt( cs[ 'padding' + side ] ) +
- parseInt( cs[ 'border' + side + 'Width' ] ) +
- ( !PIE.isIE8 && i % 2 ? 1 : 0 ); //needs an extra horizontal pixel to counteract the extra "inner border" going away
- }
- rs.borderWidth = 0;
- }
- else if( PIE.isIE6 ) {
- // Wrap all the element's children in a custom element, set the element to visiblity:hidden,
- // and set the wrapper element to visiblity:visible. This hides the outer element's decorations
- // (background and border) but displays all the contents.
- // TODO find a better way to do this that doesn't mess up the DOM parent-child relationship,
- // as this can interfere with other author scripts which add/modify/delete children. Also, this
- // won't work for elements which cannot take children, e.g. input/button/textarea/img/etc. Look into
- // using a compositor filter or some other filter which masks the border.
- if( el.childNodes.length !== 1 || el.firstChild.tagName !== 'ie6-mask' ) {
- var cont = el.document.createElement( 'ie6-mask' ),
- s = cont.style, child;
- s.visibility = 'visible';
- s.zoom = 1;
- while( child = el.firstChild ) {
- cont.appendChild( child );
- }
- el.appendChild( cont );
- rs.visibility = 'hidden';
- }
- }
- else {
- rs.borderColor = 'transparent';
- }
- },
-
-
- /**
- * Get the VML path definitions for the border segment(s).
- * @param {number=} mult If specified, all coordinates will be multiplied by this number
- * @return {Array.<string>}
- */
- getBorderSegments: function( mult ) {
- var el = this.element,
- elW, elH,
- borderInfo = this.styleInfos.borderInfo,
- segments = [],
- floor, ceil, wT, wR, wB, wL,
- borderProps, radiusInfo, radii, widths, styles, colors;
-
- if( borderInfo.isActive() ) {
- borderProps = borderInfo.getProps();
-
- widths = borderProps.widths;
- styles = borderProps.styles;
- colors = borderProps.colors;
-
- if( borderProps.widthsSame && borderProps.stylesSame && borderProps.colorsSame ) {
- // shortcut for identical border on all sides - only need 1 stroked shape
- wT = widths['t'].pixels( el ); //thickness
- wR = wT / 2; //shrink
- segments.push( {
- path: this.getBoxPath( { t: wR, r: wR, b: wR, l: wR }, mult ),
- stroke: styles['t'],
- color: colors['t'],
- weight: wT
- } );
- }
- else {
- mult = mult || 1;
- elW = el.offsetWidth;
- elH = el.offsetHeight;
-
- wT = widths['t'].pixels( el );
- wR = widths['r'].pixels( el );
- wB = widths['b'].pixels( el );
- wL = widths['l'].pixels( el );
- var pxWidths = {
- 't': wT,
- 'r': wR,
- 'b': wB,
- 'l': wL
- };
-
- radiusInfo = this.styleInfos.borderRadiusInfo;
- if( radiusInfo.isActive() ) {
- radii = this.getRadiiPixels( radiusInfo.getProps() );
- }
-
- floor = Math.floor;
- ceil = Math.ceil;
-
- function radius( xy, corner ) {
- return radii ? radii[ xy ][ corner ] : 0;
- }
-
- function curve( corner, shrinkX, shrinkY, startAngle, ccw, doMove ) {
- var rx = radius( 'x', corner),
- ry = radius( 'y', corner),
- deg = 65535,
- isRight = corner.charAt( 1 ) === 'r',
- isBottom = corner.charAt( 0 ) === 'b';
- return ( rx > 0 && ry > 0 ) ?
- ( doMove ? 'al' : 'ae' ) +
- ( isRight ? ceil( elW - rx ) : floor( rx ) ) * mult + ',' + // center x
- ( isBottom ? ceil( elH - ry ) : floor( ry ) ) * mult + ',' + // center y
- ( floor( rx ) - shrinkX ) * mult + ',' + // width
- ( floor( ry ) - shrinkY ) * mult + ',' + // height
- ( startAngle * deg ) + ',' + // start angle
- ( 45 * deg * ( ccw ? 1 : -1 ) // angle change
- ) : (
- ( doMove ? 'm' : 'l' ) +
- ( isRight ? elW - shrinkX : shrinkX ) * mult + ',' +
- ( isBottom ? elH - shrinkY : shrinkY ) * mult
- );
- }
-
- function line( side, shrink, ccw, doMove ) {
- var
- start = (
- side === 't' ?
- floor( radius( 'x', 'tl') ) * mult + ',' + ceil( shrink ) * mult :
- side === 'r' ?
- ceil( elW - shrink ) * mult + ',' + floor( radius( 'y', 'tr') ) * mult :
- side === 'b' ?
- ceil( elW - radius( 'x', 'br') ) * mult + ',' + floor( elH - shrink ) * mult :
- // side === 'l' ?
- floor( shrink ) * mult + ',' + ceil( elH - radius( 'y', 'bl') ) * mult
- ),
- end = (
- side === 't' ?
- ceil( elW - radius( 'x', 'tr') ) * mult + ',' + ceil( shrink ) * mult :
- side === 'r' ?
- ceil( elW - shrink ) * mult + ',' + ceil( elH - radius( 'y', 'br') ) * mult :
- side === 'b' ?
- floor( radius( 'x', 'bl') ) * mult + ',' + floor( elH - shrink ) * mult :
- // side === 'l' ?
- floor( shrink ) * mult + ',' + floor( radius( 'y', 'tl') ) * mult
- );
- return ccw ? ( doMove ? 'm' + end : '' ) + 'l' + start :
- ( doMove ? 'm' + start : '' ) + 'l' + end;
- }
-
-
- function addSide( side, sideBefore, sideAfter, cornerBefore, cornerAfter, baseAngle ) {
- var vert = side === 'l' || side === 'r',
- sideW = pxWidths[ side ],
- beforeX, beforeY, afterX, afterY;
-
- if( sideW > 0 && styles[ side ] !== 'none' ) {
- beforeX = pxWidths[ vert ? side : sideBefore ];
- beforeY = pxWidths[ vert ? sideBefore : side ];
- afterX = pxWidths[ vert ? side : sideAfter ];
- afterY = pxWidths[ vert ? sideAfter : side ];
-
- if( styles[ side ] === 'dashed' || styles[ side ] === 'dotted' ) {
- segments.push( {
- path: curve( cornerBefore, beforeX, beforeY, baseAngle + 45, 0, 1 ) +
- curve( cornerBefore, 0, 0, baseAngle, 1, 0 ),
- fill: colors[ side ]
- } );
- segments.push( {
- path: line( side, sideW / 2, 0, 1 ),
- stroke: styles[ side ],
- weight: sideW,
- color: colors[ side ]
- } );
- segments.push( {
- path: curve( cornerAfter, afterX, afterY, baseAngle, 0, 1 ) +
- curve( cornerAfter, 0, 0, baseAngle - 45, 1, 0 ),
- fill: colors[ side ]
- } );
- }
- else {
- segments.push( {
- path: curve( cornerBefore, beforeX, beforeY, baseAngle + 45, 0, 1 ) +
- line( side, sideW, 0, 0 ) +
- curve( cornerAfter, afterX, afterY, baseAngle, 0, 0 ) +
-
- ( styles[ side ] === 'double' && sideW > 2 ?
- curve( cornerAfter, afterX - floor( afterX / 3 ), afterY - floor( afterY / 3 ), baseAngle - 45, 1, 0 ) +
- line( side, ceil( sideW / 3 * 2 ), 1, 0 ) +
- curve( cornerBefore, beforeX - floor( beforeX / 3 ), beforeY - floor( beforeY / 3 ), baseAngle, 1, 0 ) +
- 'x ' +
- curve( cornerBefore, floor( beforeX / 3 ), floor( beforeY / 3 ), baseAngle + 45, 0, 1 ) +
- line( side, floor( sideW / 3 ), 1, 0 ) +
- curve( cornerAfter, floor( afterX / 3 ), floor( afterY / 3 ), baseAngle, 0, 0 )
- : '' ) +
-
- curve( cornerAfter, 0, 0, baseAngle - 45, 1, 0 ) +
- line( side, 0, 1, 0 ) +
- curve( cornerBefore, 0, 0, baseAngle, 1, 0 ),
- fill: colors[ side ]
- } );
- }
- }
- }
-
- addSide( 't', 'l', 'r', 'tl', 'tr', 90 );
- addSide( 'r', 't', 'b', 'tr', 'br', 0 );
- addSide( 'b', 'r', 'l', 'br', 'bl', -90 );
- addSide( 'l', 'b', 't', 'bl', 'tl', -180 );
- }
- }
-
- return segments;
- },
-
- destroy: function() {
- PIE.RendererBase.destroy.call( this );
- this.element.runtimeStyle.borderColor = '';
- }
-
-
-} );
-/**
- * Renderer for border-image
- * @constructor
- * @param {Element} el The target element
- * @param {Object} styleInfos The StyleInfo objects
- * @param {PIE.RootRenderer} parent
- */
-PIE.BorderImageRenderer = PIE.RendererBase.newRenderer( {
-
- zIndex: 5,
- pieceNames: [ 't', 'tr', 'r', 'br', 'b', 'bl', 'l', 'tl', 'c' ],
-
- needsUpdate: function() {
- var si = this.styleInfos;
- return si.borderImageInfo.changed() || si.borderImageInfo.changed();
- },
-
- isActive: function() {
- return this.styleInfos.borderImageInfo.isActive();
- },
-
- updateSize: function() {
- if( this.isActive() ) {
- var props = this.styleInfos.borderImageInfo.getProps(),
- box = this.getBox(), //make sure pieces are created
- el = this.element,
- pieces = this.pieces;
-
- PIE.Util.withImageSize( props.src, function( imgSize ) {
- var elW = el.offsetWidth,
- elH = el.offsetHeight,
-
- widths = props.width,
- widthT = widths.t.pixels( el ),
- widthR = widths.r.pixels( el ),
- widthB = widths.b.pixels( el ),
- widthL = widths.l.pixels( el ),
- slices = props.slice,
- sliceT = slices.t.pixels( el ),
- sliceR = slices.r.pixels( el ),
- sliceB = slices.b.pixels( el ),
- sliceL = slices.l.pixels( el );
-
- // Piece positions and sizes
- function setSizeAndPos( piece, w, h, x, y ) {
- var s = pieces[piece].style;
- s.width = w;
- s.height = h;
- s.left = x;
- s.top = y;
- }
- setSizeAndPos( 'tl', widthL, widthT, 0, 0 );
- setSizeAndPos( 't', elW - widthL - widthR, widthT, widthL, 0 );
- setSizeAndPos( 'tr', widthR, widthT, elW - widthR, 0 );
- setSizeAndPos( 'r', widthR, elH - widthT - widthB, elW - widthR, widthT );
- setSizeAndPos( 'br', widthR, widthB, elW - widthR, elH - widthB );
- setSizeAndPos( 'b', elW - widthL - widthR, widthB, widthL, elH - widthB );
- setSizeAndPos( 'bl', widthL, widthB, 0, elH - widthB );
- setSizeAndPos( 'l', widthL, elH - widthT - widthB, 0, widthT );
- setSizeAndPos( 'c', elW - widthL - widthR, elH - widthT - widthB, widthL, widthT );
-
-
- // image croppings
- function setCrops( sides, crop, val ) {
- for( var i=0, len=sides.length; i < len; i++ ) {
- pieces[ sides[i] ]['imagedata'][ crop ] = val;
- }
- }
-
- // corners
- setCrops( [ 'tl', 't', 'tr' ], 'cropBottom', ( imgSize.h - sliceT ) / imgSize.h );
- setCrops( [ 'tl', 'l', 'bl' ], 'cropRight', ( imgSize.w - sliceL ) / imgSize.w );
- setCrops( [ 'bl', 'b', 'br' ], 'cropTop', ( imgSize.h - sliceB ) / imgSize.h );
- setCrops( [ 'tr', 'r', 'br' ], 'cropLeft', ( imgSize.w - sliceR ) / imgSize.w );
-
- // edges and center
- if( props.repeat.v === 'stretch' ) {
- setCrops( [ 'l', 'r', 'c' ], 'cropTop', sliceT / imgSize.h );
- setCrops( [ 'l', 'r', 'c' ], 'cropBottom', sliceB / imgSize.h );
- }
- if( props.repeat.h === 'stretch' ) {
- setCrops( [ 't', 'b', 'c' ], 'cropLeft', sliceL / imgSize.w );
- setCrops( [ 't', 'b', 'c' ], 'cropRight', sliceR / imgSize.w );
- }
-
- // center fill
- pieces['c'].style.display = props.fill ? '' : 'none';
- }, this );
- } else {
- this.destroy();
- }
- },
-
- updateProps: function() {
- this.destroy();
- if( this.isActive() ) {
- this.updateSize();
- }
- },
-
- getBox: function() {
- var box = this._box, s, piece, i,
- pieceNames = this.pieceNames,
- len = pieceNames.length;
-
- if( !box ) {
- box = this._box = this.element.document.createElement( 'border-image' );
- s = box.style;
- s.position = 'absolute';
-
- this.pieces = {};
-
- for( i = 0; i < len; i++ ) {
- piece = this.pieces[ pieceNames[i] ] = PIE.Util.createVmlElement( 'rect' );
- piece.appendChild( PIE.Util.createVmlElement( 'imagedata' ) );
- s = piece.style;
- s['behavior'] = 'url(#default#VML)';
- s.position = "absolute";
- s.top = s.left = 0;
- piece['imagedata'].src = this.styleInfos.borderImageInfo.getProps().src;
- piece.stroked = false;
- piece.filled = false;
- box.appendChild( piece );
- }
-
- this.parent.addLayer( this.zIndex, box )
- }
-
- return box;
- }
-
-} );
-/**
- * Renderer for outset box-shadows
- * @constructor
- * @param {Element} el The target element
- * @param {Object} styleInfos The StyleInfo objects
- * @param {PIE.RootRenderer} parent
- */
-PIE.BoxShadowOutsetRenderer = PIE.RendererBase.newRenderer( {
-
- zIndex: 1,
- boxName: 'outset-box-shadow',
-
- needsUpdate: function() {
- var si = this.styleInfos;
- return si.boxShadowInfo.changed() || si.borderRadiusInfo.changed();
- },
-
- isActive: function() {
- var boxShadowInfo = this.styleInfos.boxShadowInfo;
- return boxShadowInfo.isActive() && boxShadowInfo.getProps().outset[0];
- },
-
- updateSize: function() {
- if( this.isActive() ) {
- var me = this,
- el = this.element,
- box = this.getBox(),
- styleInfos = this.styleInfos,
- shadowInfos = styleInfos.boxShadowInfo.getProps().outset,
- radii = styleInfos.borderRadiusInfo.getProps(),
- len = shadowInfos.length,
- i = len, j,
- w = el.offsetWidth,
- h = el.offsetHeight,
- clipAdjust = PIE.isIE8 ? 1 : 0, //workaround for IE8 bug where VML leaks out top/left of clip region by 1px
- corners = [ 'tl', 'tr', 'br', 'bl' ], corner,
- shadowInfo, shape, fill, ss, xOff, yOff, spread, blur, shrink, color, alpha, path,
- totalW, totalH, focusX, focusY, isBottom, isRight;
-
-
- function getShadowShape( index, corner, xOff, yOff, color, blur, path ) {
- var shape = me.getShape( 'shadow' + index + corner, 'fill', box, len - index ),
- ss = shape.style,
- fill = shape.fill;
-
- // Position and size
- ss.left = xOff;
- ss.top = yOff;
- shape['coordsize'] = w * 2 + ',' + h * 2;
- shape['coordorigin'] = '1,1';
-
- // Color and opacity
- shape['stroked'] = false;
- shape['filled'] = true;
- fill.color = color.value( el );
- if( blur ) {
- fill['type'] = 'gradienttitle'; //makes the VML gradient follow the shape's outline - hooray for undocumented features?!?!
- fill['color2'] = fill.color;
- fill['opacity'] = 0;
- }
-
- // Path
- shape.path = path;
-
- // This needs to go last for some reason, to prevent rendering at incorrect size
- ss.width = w;
- ss.height = h;
-
- return shape;
- }
-
-
- while( i-- ) {
- shadowInfo = shadowInfos[ i ];
- xOff = shadowInfo.xOffset.pixels( el );
- yOff = shadowInfo.yOffset.pixels( el );
- spread = shadowInfo.spread.pixels( el ),
- blur = shadowInfo.blur.pixels( el );
- color = shadowInfo.color;
- // Shape path
- shrink = -spread - blur;
- if( !radii && blur ) {
- // If blurring, use a non-null border radius info object so that getBoxPath will
- // round the corners of the expanded shadow shape rather than squaring them off.
- radii = PIE.BorderRadiusStyleInfo.ALL_ZERO;
- }
- path = this.getBoxPath( { t: shrink, r: shrink, b: shrink, l: shrink }, 2, radii );
-
- if( blur ) {
- totalW = ( spread + blur ) * 2 + w;
- totalH = ( spread + blur ) * 2 + h;
- focusX = blur * 2 / totalW;
- focusY = blur * 2 / totalH;
- if( blur - spread > w / 2 || blur - spread > h / 2 ) {
- // If the blur is larger than half the element's narrowest dimension, we cannot do
- // this with a single shape gradient, because its focussize would have to be less than
- // zero which results in ugly artifacts. Instead we create four shapes, each with its
- // gradient focus past center, and then clip them so each only shows the quadrant
- // opposite the focus.
- for( j = 4; j--; ) {
- corner = corners[j];
- isBottom = corner.charAt( 0 ) === 'b';
- isRight = corner.charAt( 1 ) === 'r';
- shape = getShadowShape( i, corner, xOff, yOff, color, blur, path );
- fill = shape.fill;
- fill['focusposition'] = ( isRight ? 1 - focusX : focusX ) + ',' +
- ( isBottom ? 1 - focusY : focusY );
- fill['focussize'] = '0,0';
-
- // Clip to show only the appropriate quadrant. Add 1px to the top/left clip values
- // in IE8 to prevent a bug where IE8 displays one pixel outside the clip region.
- shape.style.clip = 'rect(' + ( ( isBottom ? totalH / 2 : 0 ) + clipAdjust ) + 'px,' +
- ( isRight ? totalW : totalW / 2 ) + 'px,' +
- ( isBottom ? totalH : totalH / 2 ) + 'px,' +
- ( ( isRight ? totalW / 2 : 0 ) + clipAdjust ) + 'px)';
- }
- } else {
- // TODO delete old quadrant shapes if resizing expands past the barrier
- shape = getShadowShape( i, '', xOff, yOff, color, blur, path );
- fill = shape.fill;
- fill['focusposition'] = focusX + ',' + focusY;
- fill['focussize'] = ( 1 - focusX * 2 ) + ',' + ( 1 - focusY * 2 );
- }
- } else {
- shape = getShadowShape( i, '', xOff, yOff, color, blur, path );
- alpha = color.alpha();
- if( alpha < 1 ) {
- // shape.style.filter = 'alpha(opacity=' + ( alpha * 100 ) + ')';
- // ss.filter = 'progid:DXImageTransform.Microsoft.BasicImage(opacity=' + ( alpha ) + ')';
- shape.fill.opacity = alpha;
- }
- }
- }
- } else {
- this.destroy();
- }
- },
-
- updateProps: function() {
- this.destroy();
- this.updateSize();
- }
-
-} );
-/**
- * Renderer for inset box-shadows
- * @constructor
- * @param {Element} el The target element
- * @param {Object} styleInfos The StyleInfo objects
- * @param {PIE.RootRenderer} parent
- */
-PIE.BoxShadowInsetRenderer = PIE.RendererBase.newRenderer( {
-
- zIndex: 3,
- boxName: 'inset-box-shadow',
-
- needsUpdate: function() {
- var si = this.styleInfos;
- return si.boxShadowInfo.changed() || si.borderRadiusInfo.changed();
- },
-
- isActive: function() {
- var boxShadowInfo = this.styleInfos.boxShadowInfo;
- return boxShadowInfo.isActive() && boxShadowInfo.getProps().inset[0];
- },
-
- updateSize: function() {
- // TODO
- },
-
- updateProps: function() {
- // TODO
- }
-
-} );
-} // if( !PIE )
-var lastW, lastH, lastX, lastY,
- renderers,
- styleInfos,
- ancestors;
-
-/**
- * Update position and/or size as necessary. Both move and resize events call
- * this rather than the updatePos/Size functions because sometimes, particularly
- * during page load, one will fire but the other won't.
- */
-function update() {
- init();
-
- /* TODO just using getBoundingClientRect may not always be accurate; it's possible that
- an element will actually move relative to its positioning parent, but its position
- relative to the viewport will stay the same. Need to come up with a better way to
- track movement. The most accurate would be the same logic used in RootRenderer.updatePos()
- but that is a more expensive operation since it does some DOM walking, and we want this
- check to be as fast as possible. */
- var rect = element.getBoundingClientRect(),
- x = rect.left,
- y = rect.top,
- w = rect.right - x,
- h = rect.bottom - y,
- i, len;
-
- if( x !== lastX || y !== lastY ) {
- for( i = 0, len = renderers.length; i < len; i++ ) {
- renderers[i].updatePos();
- }
- lastX = x;
- lastY = y;
- }
- if( w !== lastW || h !== lastH ) {
- for( i = 0, len = renderers.length; i < len; i++ ) {
- renderers[i].updateSize();
- }
- lastW = w;
- lastH = h;
- }
-}
-
-/**
- * Handle property changes to trigger update when appropriate.
- */
-function propChanged() {
- init();
- var i, len,
- toUpdate = [];
- for( i = 0, len = renderers.length; i < len; i++ ) {
- if( renderers[i].needsUpdate() ) {
- toUpdate.push( renderers[i] );
- }
- }
- for( i = 0, len = toUpdate.length; i < len; i++ ) {
- toUpdate[i].updateProps();
- }
-}
-
-
-/**
- * Handle mouseenter events. Adds a custom class to the element to allow IE6 to add
- * hover styles to non-link elements.
- */
-function mouseEntered() {
- var el = event.srcElement;
- el.className += ' ' + PIE.CLASS_PREFIX + 'hover';
- //must delay this because the mouseleave event fires before the :hover styles are added.
- setTimeout( propChanged, 0 );
-}
-/**
- * Handle mouseleave events
- */
-function mouseLeft() {
- var el = event.srcElement;
- el.className = el.className.replace( new RegExp( '\\b' + PIE.CLASS_PREFIX + 'hover\\b', 'g' ), '' );
- //must delay this because the mouseleave event fires before the :hover styles are removed.
- setTimeout( propChanged, 0 );
-}
-
-
-/**
- * Handle property changes on ancestors of the element; see initAncestorPropChangeListeners()
- * which adds these listeners as requested with the -pie-watch-ancestors CSS property.
- */
-function ancestorPropChanged() {
- var name = event.propertyName;
- if( name === 'className' || name === 'id' ) {
- propChanged();
- }
-}
-
-
-/**
- * Clean everything up when the behavior is removed from the element, or the element
- * is destroyed.
- */
-function cleanup() {
- var i, len;
-
- // destroy any active renderers
- if( renderers ) {
- for( i = 0, len = renderers.length; i < len; i++ ) {
- renderers[i].destroy();
- }
- renderers = null;
- }
-
- styleInfos = null;
-
- // remove any ancestor propertychange listeners
- if( ancestors ) {
- for( i = 0, len = ancestors.length; i < len; i++ ) {
- ancestors[i].detachEvent( 'onpropertychange', ancestorPropChanged );
- ancestors[i].detachEvent( 'onmouseenter', mouseEntered );
- ancestors[i].detachEvent( 'onmouseleave', mouseLeft );
- }
- ancestors = null;
- }
-
- // Add to list of polled elements in IE8
- if( PIE.ie8DocMode === 8 ) {
- PIE.ie8Poller.remove( update );
- }
-}
-
-
-/**
- * If requested via the custom -pie-watch-ancestors CSS property, add onpropertychange listeners
- * to ancestor(s) of the element so we can pick up style changes based on CSS rules using
- * descendant selectors.
- */
-function initAncestorPropChangeListeners() {
- var el = element,
- watch = el.currentStyle.getAttribute( PIE.CSS_PREFIX + 'watch-ancestors' ),
- i, a;
- if( watch ) {
- ancestors = [];
- watch = parseInt( watch, 10 );
- i = 0;
- a = el.parentNode;
- while( a && ( watch === 'NaN' || i++ < watch ) ) {
- ancestors.push( a );
- a.attachEvent( 'onpropertychange', ancestorPropChanged );
- a.attachEvent( 'onmouseenter', mouseEntered );
- a.attachEvent( 'onmouseleave', mouseLeft );
- a = a.parentNode;
- }
- }
-}
-
-
-/**
- * Initialize PIE for this element.
- */
-function init() {
- if( !renderers ) {
- var el = element;
-
- // force layout so move/resize events will fire
- el.runtimeStyle.zoom = 1;
-
- // Create the style infos and renderers
- styleInfos = {
- backgroundInfo: new PIE.BackgroundStyleInfo( el ),
- borderInfo: new PIE.BorderStyleInfo( el ),
- borderImageInfo: new PIE.BorderImageStyleInfo( el ),
- borderRadiusInfo: new PIE.BorderRadiusStyleInfo( el ),
- boxShadowInfo: new PIE.BoxShadowStyleInfo( el ),
- visibilityInfo: new PIE.VisibilityStyleInfo( el )
- };
-
- var rootRenderer = new PIE.RootRenderer( el, styleInfos );
- renderers = [.
- rootRenderer,
- new PIE.BoxShadowOutsetRenderer( el, styleInfos, rootRenderer ),
- new PIE.BackgroundRenderer( el, styleInfos, rootRenderer ),
- new PIE.BoxShadowInsetRenderer( el, styleInfos, rootRenderer ),
- new PIE.BorderRenderer( el, styleInfos, rootRenderer ),
- new PIE.BorderImageRenderer( el, styleInfos, rootRenderer )
- ];
-
- // Add property change listeners to ancestors if requested
- initAncestorPropChangeListeners();
-
- // Add to list of polled elements in IE8
- if( PIE.ie8DocMode === 8 ) {
- PIE.ie8Poller.add( update );
- }
- }
-}
-
-
-if( element.readyState === 'complete' ) {
- update();
-}
- </script>
-
-</PUBLIC:COMPONENT>

commit 736d274b856d1e99de0e1e7fab13a1ec60b25b33
Author: Jim Brandt <jbrandt [at] bestpractical>
Date: Tue May 1 10:57:24 2012 -0400

Enable Outlook newline cleanup on base64 email.

Move the RescueOutlook call to come after email is decoded.

Allow double newline cleanup on base64 email. Trigger
based on a config option and some headers that should
be MS-specific.

Email samples also have a single space on the extra lines,
so remove trailing space while cleaning up.

diff --git a/etc/RT_Config.pm.in b/etc/RT_Config.pm.in
index 50b46c3..a97227d 100755
--- a/etc/RT_Config.pm.in
+++ b/etc/RT_Config.pm.in
@@ -459,6 +459,22 @@ Set($ExtractSubjectTagNoMatch, ( ${RT::EmailSubjectTagRegex}
? qr/\[(?:${RT::EmailSubjectTagRegex}) #\d+\]/
: qr/\[\Q$RT::rtname\E #\d+\]/));

+=item C<$CleanMailDoubleNewlines>
+
+Some email clients create a plain text version of HTML-formatted
+email to help other clients that read only plain text.
+Unfortunately, the plain text parts sometimes end up with
+doubled newlines and these can then end up in RT. This
+is most often seen in MS Outlook.
+
+Enable this option to have RT attempt to clean up double
+newlines in email from MS Outlook. Note that it may
+clean up intentional double newlines as well.
+
+=cut
+
+Set( $CleanMailDoubleNewlines, 0);
+
=back

diff --git a/lib/RT/EmailParser.pm b/lib/RT/EmailParser.pm
index 4cf4184..d3b9202 100644
--- a/lib/RT/EmailParser.pm
+++ b/lib/RT/EmailParser.pm
@@ -131,8 +131,6 @@ sub SmartParseMIMEEntityFromScalar {
}
};

- $self->RescueOutlook;
-
#If for some reason we weren't able to parse the message using a temp file
# try it with a scalar
if ( $@ || !$self->Entity ) {
@@ -568,50 +566,84 @@ return 1 if it does find the problem in the entity and get it fixed.
sub RescueOutlook {
my $self = shift;
my $mime = $self->Entity();
- return unless $mime;
-
- my $mailer = $mime->head->get('X-Mailer');
- # 12.0 is outlook 2007, 14.0 is 2010
- if ( $mailer && $mailer =~ /Microsoft(?:.*?)Outlook 1[2-4]\./ ) {
- my $text_part;
- if ( $mime->head->get('Content-Type') =~ m{multipart/mixed} ) {
- my $first = $mime->parts(0);
- if ( $first->head->get('Content-Type') =~ m{multipart/alternative} )
- {
- my $inner_first = $first->parts(0);
- if ( $inner_first->head->get('Content-Type') =~ m{text/plain} )
- {
- $text_part = $inner_first;
- }
- }
- }
- elsif ( $mime->head->get('Content-Type') =~ m{multipart/alternative} ) {
- my $first = $mime->parts(0);
- if ( $first->head->get('Content-Type') =~ m{text/plain} ) {
- $text_part = $first;
- }
- }

- if ($text_part) {
-
- # use the unencoded string
- my $content = $text_part->bodyhandle->as_string;
- if ( $content =~ s/\n\n/\n/g ) {
- # only write only if we did change the content
- if ( my $io = $text_part->open("w") ) {
- $io->print($content);
- $io->close;
- return 1;
- }
- else {
- $RT::Logger->error("can't write to body");
- }
- }
- }
+ return unless $mime && $self->LooksLikeMSEmail($mime);
+
+ my $text_part;
+ if ( $mime->head->get('Content-Type') =~ m{multipart/mixed} ) {
+ my $first = $mime->parts(0);
+ if ( $first->head->get('Content-Type') =~ m{multipart/alternative} ) {
+ my $inner_first = $first->parts(0);
+ if ( $inner_first->head->get('Content-Type') =~ m{text/plain} ) {
+ $text_part = $inner_first;
+ }
+ }
+ } elsif ( $mime->head->get('Content-Type') =~ m{multipart/alternative} ) {
+ my $first = $mime->parts(0);
+ if ( $first->head->get('Content-Type') =~ m{text/plain} ) {
+ $text_part = $first;
+ }
+ }
+
+ # Add base64 since we've seen examples of double newlines with
+ # this type too. Need an example of a multi-part base64 to
+ # handle that permutation if it exists.
+ elsif ( $mime->head->get('Content-Transfer-Encoding') =~ m{base64} ) {
+ $text_part = $mime; # Assuming single part, already decoded.
}
+
+ if ($text_part) {
+ # use the unencoded string
+ my $content = $text_part->bodyhandle->as_string;
+ if ( $content =~ s/\n\n/\n/g ) {
+ # Outlook puts a space on extra newlines, remove it
+ $content =~ s/\ +$//mg;
+
+ # only write only if we did change the content
+ if ( my $io = $text_part->open("w") ) {
+ $io->print($content);
+ $io->close;
+ $RT::Logger->debug("Removed extra newlines from MS Outlook message.");
+ return 1;
+ } else {
+ $RT::Logger->error("Can't write to body to fix newlines");
+ }
+ }
+ }
+
return;
}

+=head1 LooksLikeMSEmail
+
+Try to determine if the current email may have
+come from MS Outlook or gone through Exchange, and therefore
+may have extra newlines added.
+
+=cut
+
+sub LooksLikeMSEmail {
+ my $self = shift;
+ my $mime = shift;
+
+ my $mailer = $mime->head->get('X-Mailer');
+
+ # 12.0 is outlook 2007, 14.0 is 2010
+ return 1 if ( $mailer && $mailer =~ /Microsoft(?:.*?)Outlook 1[2-4]\./ );
+
+ if ( RT->Config->Get('CleanMailDoubleNewlines') ){
+
+ # Check for some headers that might
+ # indicate this came from Outlook or through Exchange.
+ # A sample we received had the headers X-MS-Has-Attach: and
+ # X-MS-Tnef-Correlator: and both had no value.
+
+ my @tags = $mime->head->tags();
+ return 1 if grep { /^X-MS-/ } @tags;
+ }
+
+ return 0; # Doesn't look like MS email.
+}

sub DESTROY {
my $self = shift;
diff --git a/lib/RT/Interface/Email.pm b/lib/RT/Interface/Email.pm
index 909a9f4..47d0add 100644
--- a/lib/RT/Interface/Email.pm
+++ b/lib/RT/Interface/Email.pm
@@ -1399,6 +1399,7 @@ sub Gateway {
}
@mail_plugins = grep !$skip_plugin{"$_"}, @mail_plugins;
$parser->_DecodeBodies;
+ $parser->RescueOutlook;
$parser->_PostProcessNewEntity;

my $head = $Message->head;
diff --git a/t/mail/outlook.t b/t/mail/outlook.t
index 00bbc94..6d851e5 100644
--- a/t/mail/outlook.t
+++ b/t/mail/outlook.t
@@ -1,41 +1,41 @@
#!/usr/bin/perl -w
# BEGIN BPS TAGGED BLOCK {{{
-#
+#
# COPYRIGHT:
-#
-# This software is Copyright (c) 1996-2004 Best Practical Solutions, LLC
+#
+# This software is Copyright (c) 1996-2004 Best Practical Solutions, LLC
# <jesse.com>
-#
+#
# (Except where explicitly superseded by other copyright notices)
-#
-#
+#
+#
# LICENSE:
-#
+#
# This work is made available to you under the terms of Version 2 of
# the GNU General Public License. A copy of that license should have
# been provided with this software, but in any event can be snarfed
# from www.gnu.org.
-#
+#
# This work is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
-#
+#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 or visit their web page on the internet at
# http://www.gnu.org/copyleft/gpl.html.
-#
-#
+#
+#
# CONTRIBUTION SUBMISSION POLICY:
-#
+#
# (The following paragraph is not intended to limit the rights granted
# to you to modify and distribute this software under the terms of
# the GNU General Public License and is only of importance to you if
# you choose to contribute your changes and enhancements to the
# community by submitting them to Best Practical Solutions, LLC.)
-#
+#
# By intentionally submitting any modifications, corrections or
# derivatives to this work, or any other work intended for use with
# Request Tracker, to Best Practical Solutions, LLC, you confirm that
@@ -44,19 +44,25 @@
# royalty-free, perpetual, license to use, copy, create derivative
# works based on those contributions, and sublicense and distribute
# those contributions and any derivatives thereof.
-#
+#
# END BPS TAGGED BLOCK }}}

=head1 NAME

-rt-mailgate - Mail interface to RT3.
+outlook.t
+
+=head1 DESCRIPTION
+
+Tests for custom routines to work with email from Outlook.

=cut

use strict;
use warnings;

-use RT::Test tests => 42;
+use RT::Test tests => 66;
+
+RT->Config->Set('CleanMailDoubleNewlines', 1);

# 12.0 is outlook 2007, 14.0 is 2010
for my $mailer ( 'Microsoft Office Outlook 12.0', 'Microsoft Outlook 14.0' ) {
@@ -199,8 +205,75 @@ EOF
test_email( $text, $content,
$mailer . ' with only text/plain, \n\n are not replaced' );
}
+
+ diag "Test mail with with outlook, content type is base64";
+ {
+ my $text = <<EOF;
+From: root\@localhost
+X-Mailer: $mailer
+To: rt\@@{[RT->Config->Get('rtname')]}
+Subject: outlook basic test
+Content-Type: text/plain; charset="utf-8"
+Content-Transfer-Encoding: base64
+
+VGhpcyBpcyB0aGUgYm9keSBvZiBhbiBlbWFpbC4KCkl0IGhhcyBtdWx0aXBs
+ZSBleHRyYSBuZXdsaW5lcy4KCgoKTGlrZSBhIG1hbmdsZWQgT3V0bG9vayBt
+ZXNzYWdlIG1pZ2h0LgoKCgpKb2huIFNtaXRoCgpTb21lIENvbXBhbnkKCmVt
+YWlsQHNvbWVjby5jb20KCg==
+EOF
+
+ my $content = <<EOF;
+This is the body of an email.
+It has multiple extra newlines.
+
+Like a mangled Outlook message might.
+
+John Smith
+Some Company
+email\@someco.com
+EOF
+ test_email( $text, $content,
+ $mailer . ' with base64, \n\n are replaced' );
+ }
+}
+
+# In a sample we received, the two X-MS- headers included
+# below were both present and had no values. For now, using
+# the existence of these headers as evidence of MS Outlook
+# or Exchange.
+
+diag "Test mail with with outlook, no X-Mailer, content type is base64";
+{
+ my $text = <<EOF;
+From: root\@localhost
+To: rt\@@{[RT->Config->Get('rtname')]}
+Subject: outlook basic test
+Content-Type: text/plain; charset="utf-8"
+Content-Transfer-Encoding: base64
+X-MS-Has-Attach:
+X-MS-Tnef-Correlator:
+
+VGhpcyBpcyB0aGUgYm9keSBvZiBhbiBlbWFpbC4KCkl0IGhhcyBtdWx0aXBs
+ZSBleHRyYSBuZXdsaW5lcy4KCgoKTGlrZSBhIG1hbmdsZWQgT3V0bG9vayBt
+ZXNzYWdlIG1pZ2h0LgoKCgpKb2huIFNtaXRoCgpTb21lIENvbXBhbnkKCmVt
+YWlsQHNvbWVjby5jb20KCg==
+EOF
+
+ my $content = <<EOF;
+This is the body of an email.
+It has multiple extra newlines.
+
+Like a mangled Outlook message might.
+
+John Smith
+Some Company
+email\@someco.com
+EOF
+ test_email( $text, $content,
+ ' with base64, no X-Mailer, \n\n are replaced' );
}

+
diag "Test mail with with multipart/alternative but x-mailer is not outlook ";
{
my $text = <<EOF;
@@ -234,7 +307,6 @@ Content-Transfer-Encoding: quoted-printable

------=_NextPart_000_0004_01CB045C.A5A075D0--
-
EOF

my $content = <<EOF;
@@ -250,6 +322,129 @@ EOF
test_email( $text, $content, 'without outlook, \n\n are not replaced' );
}

+diag "Sample multipart email with Exchange headers";
+{
+ my $text = <<EOF;
+X-MimeOLE: Produced By Microsoft Exchange V6.5
+Received: by example.com
+ id <01CD63FC.33F4C15C\@example.com>; Tue, 17 Jul 2012 10:11:51 +0100
+MIME-Version: 1.0
+Content-Type: multipart/alternative;
+ boundary="----_=_NextPart_001_01CD63FC.33F4C15C"
+Content-class: urn:content-classes:message
+Subject: outlook basic test
+Date: Tue, 17 Jul 2012 10:11:50 +0100
+Message-ID: <AA6CEAFB02FF244999046B2A6B6B9D6F05FF9D12\@example.com>
+X-MS-Has-Attach:
+X-MS-TNEF-Correlator:
+Thread-Topic: Testing Outlook HTML
+Thread-Index: Ac1j/DNs7ly963bnRt63SJw9DkGwyw==
+From: root\@localhost
+To: rt\@@{[RT->Config->Get('rtname')]}
+
+This is a multi-part message in MIME format.
+
+------_=_NextPart_001_01CD63FC.33F4C15C
+Content-Type: text/plain;
+ charset="us-ascii"
+Content-Transfer-Encoding: quoted-printable
+
+This email contains a line of text containing multiple sentences. Where
+will RT wrap this when the text is quoted? What about the footer below?
+
+=20
+
+This is a different line, with a blank line (paragraph) above. Will
+there be additional blank lines when the text is quoted?
+
+=20
+
+This isthesig
+
+=20
+
+
+------_=_NextPart_001_01CD63FC.33F4C15C
+Content-Type: text/html;
+ charset="us-ascii"
+Content-Transfer-Encoding: quoted-printable
+
+<html xmlns:v=3D"urn:schemas-microsoft-com:vml" =
+xmlns:o=3D"urn:schemas-microsoft-com:office:office" =
+xmlns:w=3D"urn:schemas-microsoft-com:office:word" =
+xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" =
+xmlns=3D"http://www.w3.org/TR/REC-html40"><head><META =
+HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; =
+charset=3Dus-ascii"><meta name=3DGenerator content=3D"Microsoft Word 12 =
+(filtered medium)"><style></style></head><body lang=3DEN-US link=3Dblue =
+vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal>This email =
+contains a line of text containing multiple sentences.  Where will =
+RT wrap this when the text is quoted?  What about the footer =
+below?<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
+class=3DMsoNormal>This is a different line, with a blank line =
+(paragraph) above.  Will there be additional blank lines when the =
+text is quoted?<o:p></o:p></p><p =
+class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal><span =
+lang=3DEN-GB =
+style=3D'font-size:7.5pt;font-family:"Arial","sans-serif"'>This isthesig =
+</span><o:p></o:p></p><p =
+class=3DMsoNormal><o:p> </o:p></p></div></body></html>
+------_=_NextPart_001_01CD63FC.33F4C15C--
+EOF
+
+ my $content = <<EOF;
+This email contains a line of text containing multiple sentences. Where
+will RT wrap this when the text is quoted? What about the footer below?
+
+This is a different line, with a blank line (paragraph) above. Will
+there be additional blank lines when the text is quoted?
+
+This isthesig
+
+EOF
+
+ test_email( $text, $content,
+ 'Another sample multipart message with Exchange headers' );
+}
+
sub test_email {
my ( $text, $content, $msg ) = @_;
my ( $status, $id ) = RT::Test->send_via_mailgate($text);

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