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fix bug 34499 don't display Block-Image if image is already blocked

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This commit is contained in:
morse%netscape.com 2000-04-05 05:05:09 +00:00
parent 98fe3d4df9
commit a61f227e57
1 changed files with 26 additions and 2 deletions
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28
xpfe/browser/resources/content/nsContextMenu.js
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@ -316,15 +316,39 @@ nsContextMenu.prototype = {
this.copyToClipboard( this.imageURL );
},
// Determine if "Block Image" is to appear in the menu.
// Return false unless "imageBlocker.enabled" pref is set.
// Return true if "imageBlocker.enabled" pref is set and image is not already blocked.
isBlockingImages: function () {
/* determine if "imageBlocker.enabled" pref is set */
var pref = this.getService( 'component://netscape/preferences', 'nsIPref' );
var result = false;
try {
result = pref.GetBoolPref( "imageblocker.enabled" );
} catch(e) {
}
return result;
if (!result) {
/* pref is not set so return false */
return false;
}
/* determine if image is already being blocked */
var cookieViewer = this.createInstance
("component://netscape/cookieviewer/cookieviewer-world", "nsICookieViewer");
var list = cookieViewer.GetPermissionValue(1);
var permissionList = list.split(list[0]);
for(var i = 1; i < permissionList.length; i+=2) {
permStr = permissionList[i+1];
var type = permStr.substring(0,1);
if (type == "-") {
/* some host is being blocked, need to find out if it's our image's host */
var host = permStr.substring(1,permStr.length);
if (this.imageURL.search(host) != -1) {
/* it's our image's host that's being blocked */
return false;
}
}
}
/* image is not already being blocked, so "Block Image" can appear on the menu */
return true;
},
// Block image from loading in the future.
blockImage : function () {