michael@0: const RELATIVE_DIR = "image/test/browser/";
michael@0: const TESTROOT = "http://example.com/browser/" + RELATIVE_DIR;
michael@0: const TESTROOT2 = "http://example.org/browser/" + RELATIVE_DIR;
michael@0: 
michael@0: var chrome_root = getRootDirectory(gTestPath);
michael@0: const CHROMEROOT = chrome_root;
michael@0: 
michael@0: function getImageLoading(doc, id) {
michael@0:   var htmlImg = doc.getElementById(id);
michael@0:   return htmlImg.QueryInterface(Ci.nsIImageLoadingContent);
michael@0: }
michael@0: 
michael@0: // Tries to get the Moz debug image, imgIContainerDebug. Only works
michael@0: // in a debug build. If we succeed, we call func().
michael@0: function actOnMozImage(doc, id, func) {
michael@0:   var imgContainer = getImageLoading(doc, id).getRequest(Ci.nsIImageLoadingContent.CURRENT_REQUEST).image;
michael@0:   var mozImage;
michael@0:   try {
michael@0:     mozImage = imgContainer.QueryInterface(Ci.imgIContainerDebug);
michael@0:   }
michael@0:   catch (e) {
michael@0:     return false;
michael@0:   }
michael@0:   func(mozImage);
michael@0:   return true;
michael@0: }