キャプチャ時にembedないしobjectを含むiframe、frameにカバーをかける（※作りかけ）

tombfix.service.capture.covreingframes.js

(function(){
	var advice = function(proceed, args, target, methodName){
		var ctx = args[0];
		makeOpaqueFlash(ctx.document);
		
		var doc = ctx.document;
		innerDocs = $x('//*[self::iframe or self::frame]', doc, true);
		innerDocs.forEach(function(frame){
			if($x('//*[self::embed or self::object]', frame.contentWindow.document, true).length){
				var style = window.getComputedStyle(frame);
				var cover = doc.createElement('div');
				cover.style.position = (style.position === 'fixed' ? 'fixed' : 'absolute');
				//style.
				cover.style.left = style.left;
				cover.style.top = style.top;
				cover.style.width = style.width;
				cover.style.height = style.height;
				cover.style.zIndex = (style.zIndex + 1);
				cover.style.backgroundColor = 'transparent';
				cover.classList.add('tombfix_alternative_opaque_flash');
				doc.body.appendChild(cover);
			}
		});
		
		var result = proceed(args);
		return result;
	}
	
	addAround(Tombfix.Service.extractors['Photo - Capture'], 'extract', advice);
})();