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- <?php
- class Af_Readability extends Plugin {
- private $host;
- function about() {
- return array(1.0,
- "Try to inline article content using Readability",
- "fox");
- }
- function save() {
- //
- }
- function init($host)
- {
- $this->host = $host;
- $host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
- $host->add_hook($host::HOOK_PREFS_TAB, $this);
- $host->add_hook($host::HOOK_PREFS_EDIT_FEED, $this);
- $host->add_hook($host::HOOK_PREFS_SAVE_FEED, $this);
- }
- function hook_prefs_tab($args) {
- if ($args != "prefFeeds") return;
- print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('af_readability settings')."\">";
- print_notice("Enable the plugin for specific feeds in the feed editor.");
- $enabled_feeds = $this->host->get($this, "enabled_feeds");
- if (!array($enabled_feeds)) $enabled_feeds = array();
- $enabled_feeds = $this->filter_unknown_feeds($enabled_feeds);
- $this->host->set($this, "enabled_feeds", $enabled_feeds);
- if (count($enabled_feeds) > 0) {
- print "<h3>" . __("Currently enabled for (click to edit):") . "</h3>";
- print "<ul class=\"browseFeedList\" style=\"border-width : 1px\">";
- foreach ($enabled_feeds as $f) {
- print "<li>" .
- "<img src='images/pub_set.png'
- style='vertical-align : middle'> <a href='#'
- onclick='editFeed($f)'>".
- getFeedTitle($f) . "</a></li>";
- }
- print "</ul>";
- }
- print "</div>";
- }
- function hook_prefs_edit_feed($feed_id) {
- print "<div class=\"dlgSec\">".__("Readability")."</div>";
- print "<div class=\"dlgSecCont\">";
- $enabled_feeds = $this->host->get($this, "enabled_feeds");
- if (!array($enabled_feeds)) $enabled_feeds = array();
- $key = array_search($feed_id, $enabled_feeds);
- $checked = $key !== FALSE ? "checked" : "";
- print "<hr/><input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" id=\"af_readability_enabled\"
- name=\"af_readability_enabled\"
- $checked> <label for=\"af_readability_enabled\">".__('Inline article content')."</label>";
- print "</div>";
- }
- function hook_prefs_save_feed($feed_id) {
- $enabled_feeds = $this->host->get($this, "enabled_feeds");
- if (!is_array($enabled_feeds)) $enabled_feeds = array();
- $enable = checkbox_to_sql_bool($_POST["af_readability_enabled"]) == 'true';
- $key = array_search($feed_id, $enabled_feeds);
- if ($enable) {
- if ($key === FALSE) {
- array_push($enabled_feeds, $feed_id);
- }
- } else {
- if ($key !== FALSE) {
- unset($enabled_feeds[$key]);
- }
- }
- $this->host->set($this, "enabled_feeds", $enabled_feeds);
- }
- function hook_article_filter($article) {
- $enabled_feeds = $this->host->get($this, "enabled_feeds");
- $key = array_search($article["feed"]["id"], $enabled_feeds);
- if ($key === FALSE) return $article;
- if (!class_exists("Readability")) require_once(__DIR__ . "/classes/Readability.php");
- $tmp = fetch_file_contents($article["link"]);
- if ($tmp) {
- $r = new Readability($tmp, $article["link"]);
- if ($r->init()) {
- $tmpxpath = new DOMXPath($r->dom);
- $entries = $tmpxpath->query('(//a[@href]|//img[@src])');
- foreach ($entries as $entry) {
- if ($entry->hasAttribute("href")) {
- $entry->setAttribute("href",
- rewrite_relative_url($article["link"], $entry->getAttribute("href")));
- }
- if ($entry->hasAttribute("src")) {
- $entry->setAttribute("src",
- rewrite_relative_url($article["link"], $entry->getAttribute("src")));
- }
- }
- $article["content"] = $r->articleContent->innerHTML;
- }
- }
- return $article;
- }
- function api_version() {
- return 2;
- }
- private function filter_unknown_feeds($enabled_feeds) {
- $tmp = array();
- foreach ($enabled_feeds as $feed) {
- $result = db_query("SELECT id FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
- if (db_num_rows($result) != 0) {
- array_push($tmp, $feed);
- }
- }
- return $tmp;
- }
- }
- ?>
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