add embed_original plugin

plugins/embed_original/init.css

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+div.cdmContentInner iframe.embeddedContent {
+	overflow : hidden;
+	width : 100%;
+	height : 300px;
+	border-width : 0px;
+}
+
+div.postContent iframe.embeddedContent {
+	overflow : hidden;
+	width : 100%;
+	height : 100%;
+	border-width : 0px;
+}

plugins/embed_original/init.js

@@ -0,0 +1,69 @@
+function embedOriginalArticle(id) {
+	try {
+		var hasSandbox = "sandbox" in document.createElement("iframe");
+
+		if (!hasSandbox) {
+			alert(__("Sorry, your browser does not support sandboxed iframes."));
+			return;
+		}
+
+		var query = "op=pluginhandler&plugin=embed_original&method=getUrl&id=" +
+			param_escape(id);
+
+		var c = false;
+
+		if (isCdmMode()) {
+			c = $$("div#RROW-" + id + " div[class=cdmContentInner]")[0];
+		} else if (id == getActiveArticleId()) {
+			c = $$("div[class=postContent]")[0];
+		}
+
+		if (c) {
+			var iframe = c.getElementsByClassName("embeddedContent")[0];
+
+			if (iframe) {
+				Element.show(c.firstChild);
+				c.removeChild(iframe);
+
+				if (isCdmMode()) {
+					cdmScrollToArticleId(id, true);
+				}
+
+				return;
+			}
+		}
+
+		new Ajax.Request("backend.php",	{
+			parameters: query,
+			onComplete: function(transport) {
+				var ti = JSON.parse(transport.responseText);
+
+				if (ti) {
+
+					var iframe = new Element("iframe", {
+						class: "embeddedContent",
+						src: ti.url,
+						sandbox: 'sandbox',
+					});
+
+					if (c) {
+						Element.hide(c.firstChild);
+
+						if (c.firstChild.nextSibling)
+							c.insertBefore(iframe, c.firstChild.nextSibling);
+						else
+							c.appendChild(iframe);
+
+						if (isCdmMode()) {
+							cdmScrollToArticleId(id, true);
+						}
+					}
+				}
+
+			} });
+
+
+	} catch (e) {
+		exception_error("embedOriginalArticle", e);
+	}
+}

plugins/embed_original/init.php

@@ -0,0 +1,56 @@
+<?php
+class Embed_Original extends Plugin {
+	private $link;
+	private $host;
+
+	function init($host) {
+		$this->link = $host->get_link();
+		$this->host = $host;
+
+		$host->add_hook($host::HOOK_ARTICLE_BUTTON, $this);
+	}
+
+	function about() {
+		return array(1.0,
+			"Try to display original article content inside tt-rss",
+			"fox");
+	}
+
+	function get_js() {
+		return file_get_contents(dirname(__FILE__) . "/init.js");
+	}
+
+	function get_css() {
+		return file_get_contents(dirname(__FILE__) . "/init.css");
+	}
+
+	function hook_article_button($line) {
+		$id = $line["id"];
+
+		$rv = "<img src=\"plugins/embed_original/button.png\"
+			class='tagsPic' style=\"cursor : pointer\"
+			onclick=\"embedOriginalArticle($id)\"
+			title='".__('Toggle embed original')."'>";
+
+		return $rv;
+	}
+
+	function getUrl() {
+		$id = db_escape_string($_REQUEST['id']);
+
+		$result = db_query($this->link, "SELECT link
+				FROM ttrss_entries, ttrss_user_entries
+				WHERE id = '$id' AND ref_id = id AND owner_uid = " .$_SESSION['uid']);
+
+		$url = "";
+
+		if (db_num_rows($result) != 0) {
+			$url = db_fetch_result($result, 0, "link");
+
+		}
+
+		print json_encode(array("url" => $url, "id" => $id));
+	}
+
+}
+?>