Rename to simplyread to avoid name clash

1 files changed, 75 insertions, 0 deletions

diff --git a/simplyread.js b/simplyread.js
new file mode 100755
index 0000000..170c4d8
--- /dev/null
+++ b/simplyread.js
@@ -0,0 +1,75 @@
+/*
+ * SimplyRead - makes webpages more simplyread
+ *
+ * See COPYING file for copyright, license and warranty details.
+ */
+
+if(window.content && window.content.document.simplyread_original === undefined) window.content.document.simplyread_original = false;
+
+function simplyread()
+{
+	/* count the number of <p> tags that are direct children of parenttag */
+	function count_p(parenttag)
+	{
+		var n = 0;
+		var c = parenttag.childNodes;
+		for (var i = 0; i < c.length; i++) {
+			if (c[i].tagName == "p" || c[i].tagName == "P")
+				n++;
+		}
+		return n;
+	}
+	
+	var doc;
+	if(document.body === undefined)
+		doc = window.content.document;
+	else
+		doc = document;
+	
+	/* if simplyread_original is set, then the simplyread version is currently active,
+	 * so switch to the simplyread_original html */
+	if (doc.simplyread_original) {
+		doc.body.innerHTML = doc.simplyread_original;
+		for (var i = 0; i < doc.styleSheets.length; i++)
+			doc.styleSheets[i].disabled = false;
+		doc.simplyread_original = false
+		return 0;
+	}
+	
+	doc.simplyread_original = doc.body.innerHTML;
+	
+	var biggest_num = 0;
+	var biggest_tag;
+	
+	/* search for tag with most direct children <p> tags */
+	var t = doc.getElementsByTagName("*");
+	for (var i = 0; i < t.length; i++) {
+		var p_num = count_p(t[i]);
+		if (p_num > biggest_num) {
+			biggest_num = p_num;
+			biggest_tag = t[i];
+		}
+	}
+	
+	if (biggest_num == 0) {
+		alert("Can't find any content");
+		return 1;
+	}
+	
+	/* save and sanitise content of chosen tag */
+	var fresh = doc.createElement("div");
+	fresh.innerHTML = biggest_tag.innerHTML;
+	fresh.innerHTML = fresh.innerHTML.replace(/<\/?font[^>]*>/g, "");
+	fresh.innerHTML = fresh.innerHTML.replace(/style="[^"]*"/g, "");
+	fresh.innerHTML = fresh.innerHTML.replace(/<\/?a[^>]*>/g, "");
+	
+	for (var i = 0; i < doc.styleSheets.length; i++)
+		doc.styleSheets[i].disabled = true;
+	
+	doc.body.innerHTML =
+		"<div style=\"width:38em; margin:auto; text-align:justify; font-family:sans;\">" +
+		"<h1 style=\"text-align: center\">" + doc.title + "</h1>" +
+		fresh.innerHTML + "</div>";
+
+	return 0;
+}