X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=_source%2Fcore%2F_bootstrap.js;h=f6ba4d6b9c412a5f18ace63934c1590b186ae24b;hb=039a051ccf3901311661022a30afd60fc38130c9;hp=6c0440dde9ee4319478c9c48d7cc046b909a8125;hpb=ea7e3453c7b0f023b050aca6d9f83ab372860d91;p=ckeditor.git

diff --git a/_source/core/_bootstrap.js b/_source/core/_bootstrap.js
index 6c0440d..f6ba4d6 100644
--- a/_source/core/_bootstrap.js
+++ b/_source/core/_bootstrap.js
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
+Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.
 For licensing, see LICENSE.html or http://ckeditor.com/license
 */
 
@@ -9,20 +9,41 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 
 (function()
 {
+	// Disable HC detaction in WebKit. (#5429)
+	if ( CKEDITOR.env.webkit )
+	{
+		CKEDITOR.env.hc = false;
+		return;
+	}
+
 	// Check is High Contrast is active by creating a temporary element with a
 	// background image.
 
-	var testImage = ( CKEDITOR.env.ie && CKEDITOR.env.version < 7 ) ? ( CKEDITOR.basePath + 'images/spacer.gif' ) : 'about:blank';
+	var useSpacer = CKEDITOR.env.ie && CKEDITOR.env.version < 7,
+		useBlank = CKEDITOR.env.ie && CKEDITOR.env.version == 7;
+
+	var backgroundImageUrl = useSpacer ? ( CKEDITOR.basePath + 'images/spacer.gif' ) :
+							 useBlank ? 'about:blank' : 'data:image/png;base64,';
 
 	var hcDetect = CKEDITOR.dom.element.createFromHtml(
 		'<div style="width:0px;height:0px;' +
 			'position:absolute;left:-10000px;' +
-			'background-image:url(' + testImage + ')"></div>', CKEDITOR.document );
+			'background-image:url(' + backgroundImageUrl + ')"></div>', CKEDITOR.document );
 
 	hcDetect.appendTo( CKEDITOR.document.getHead() );
 
 	// Update CKEDITOR.env.
-	if ( ( CKEDITOR.env.hc = ( hcDetect.getComputedStyle( 'background-image' ) == 'none' ) ) )
+	// Catch exception needed sometimes for FF. (#4230)
+	try
+	{
+		CKEDITOR.env.hc = ( hcDetect.getComputedStyle( 'background-image' ) == 'none' );
+	}
+	catch (e)
+	{
+		CKEDITOR.env.hc = false;
+	}
+
+	if ( CKEDITOR.env.hc )
 		CKEDITOR.env.cssClass += ' cke_hc';
 
 	hcDetect.remove();
@@ -45,9 +66,7 @@ CKEDITOR.plugins.load( CKEDITOR.config.corePlugins.split( ',' ), function()
 		}
 	});
 
-/*
-TODO: Enable the following and check if effective.
-
+// Needed for IE6 to not request image (HTTP 200 or 304) for every CSS background. (#6187)
 if ( CKEDITOR.env.ie )
 {
 	// Remove IE mouse flickering on IE6 because of background images.
@@ -61,4 +80,17 @@ if ( CKEDITOR.env.ie )
 		// line. For safety, let's just ignore errors.
 	}
 }
-*/
+
+/**
+ * Indicates that CKEditor is running on a High Contrast environment.
+ * @name CKEDITOR.env.hc
+ * @example
+ * if ( CKEDITOR.env.hc )
+ *     alert( 'You're running on High Contrast mode. The editor interface will get adapted to provide you a better experience.' );
+ */
+
+/**
+ * Fired when a CKEDITOR core object is fully loaded and ready for interaction.
+ * @name CKEDITOR#loaded
+ * @event
+ */