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Bug 50514; properly detect when right-clicking on a background image; r=bzbarsky, sr=hyatt

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git-svn-id: svn://10.0.0.236/trunk@114486 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
law%netscape.com 2002-02-14 06:05:16 +00:00
parent c3462e03e5
commit b313f7893f
1 changed files with 21 additions and 25 deletions
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46
mozilla/xpfe/communicator/resources/content/nsContextMenu.js
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@ -277,19 +277,15 @@ nsContextMenu.prototype = {
}
} else if ( this.target.localName.toUpperCase() == "TEXTAREA" ) {
this.onTextInput = true;
} else if ( this.target.getAttribute( "background" ) ) {
this.hasBGImage = true;
// Convert background attribute to absolute URL.
this.bgImageURL = this.makeURLAbsolute( this.target.baseURI,
this.target.getAttribute( "background" ) );
} else if ( this.target.localName.toUpperCase() == "HTML" ) {
// pages with multiple <body>s are lame. we'll teach them a lesson.
var bodyElt = this.target.ownerDocument.getElementsByTagName("body")[0];
if ( bodyElt ) {
var attr = bodyElt.getAttribute( "background" );
if ( attr ) {
if ( attr ||
( attr = this.getComputedURL( bodyElt, "background-image" ) ) != "none" ) {
this.hasBGImage = true;
this.bgImageURL = this.makeURLAbsolute( this.target.baseURI,
this.bgImageURL = this.makeURLAbsolute( bodyElt.baseURI,
attr );
}
}
@ -327,20 +323,6 @@ nsContextMenu.prototype = {
root = root.parentNode;
}
}
} else {
try {
var cssAttr = this.target.style.getPropertyValue( "list-style-image" ) ||
this.target.style.getPropertyValue( "list-style" ) ||
this.target.style.getPropertyValue( "background-image" ) ||
this.target.style.getPropertyValue( "background" );
if ( cssAttr ) {
this.onImage = true;
var url = cssAttr.toLowerCase().replace(/url\("*(.+)"*\)/, "$1");
// Convert attribute to absolute URL.
this.imageURL = this.makeURLAbsolute( this.target.baseURI, url );
}
} catch ( exception ) {
}
}
}
@ -397,17 +379,31 @@ nsContextMenu.prototype = {
}
}
// Background image?
if ( !this.hasBGImage && 'background' in elem && elem.background ) {
// Background image? We don't bother if we've already found a background
// image further down the hierarchy. Otherwise, we look for background=
// attribute on html elements that support that, or, background-image style.
var bgImgUrl = null;
if ( !this.hasBGImage &&
( ( localname.search( /^(?:TD|TH|TABLE|BODY)$/ ) != -1 &&
( bgImgUrl = elem.getAttribute( "background" ) ) ) ||
( bgImgUrl = this.getComputedURL( elem, "background-image" ) ) != "none" ) ) {
this.hasBGImage = true;
// Convert background attribute to absolute URL.
this.bgImageURL = this.makeURLAbsolute( elem.baseURI,
elem.background );
bgImgUrl );
}
}
elem = elem.parentNode;
}
},
// Returns the computed style attribute for the given element.
getComputedStyle: function( elem, attr ) {
return elem.ownerDocument.defaultView.getComputedStyle( elem, '' ).getPropertyValue( attr );
},
// Returns a "url"-type computed style attribute value, with the url() stripped.
getComputedURL: function( elem, attr ) {
var url = this.getComputedStyle( elem, attr );
return ( url == "none" ) ? url : url.replace( /^url\("?([^")]+)"?\)/i, "$1" );
},
// Returns true iff clicked on link is saveable.
isLinkSaveable : function ( link ) {
// We don't do the Right Thing for news/snews yet, so turn them off