af_comics: Workaround for GoComics' lazy loading images in srcset.

[tt-rss.git] / plugins / af_comics / init.php

diff --git a/plugins/af_comics/init.php b/plugins/af_comics/init.php
old mode 100644 (file)
new mode 100755 (executable)
index 15af1d1..d59a654
--- a/plugins/af_comics/init.php
+++ b/plugins/af_comics/init.php
@@ -14,28 +14,37 @@ class Af_Comics extends Plugin {
                $this->host = $host;
 
                $host->add_hook($host::HOOK_FETCH_FEED, $this);
+               $host->add_hook($host::HOOK_SUBSCRIBE_FEED, $this);
                $host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
                $host->add_hook($host::HOOK_PREFS_TAB, $this);
 
                require_once __DIR__ . "/filter_base.php";
 
-               $filters = glob(__DIR__ . "/filters/*.php");
+               $filters = array_merge(glob(__DIR__ . "/filters.local/*.php"), glob(__DIR__ . "/filters/*.php"));
+               $names = [];
 
                foreach ($filters as $file) {
-                       require_once $file;
                        $filter_name = preg_replace("/\..*$/", "", basename($file));
 
-                       $filter = new $filter_name();
+                       if (array_search($filter_name, $names) === FALSE) {
+                               if (!class_exists($filter_name)) {
+                                       require_once $file;
+                               }
+
+                               array_push($names, $filter_name);
 
-                       if (is_subclass_of($filter, "Af_ComicFilter")) {
-                               array_push($this->filters, $filter);
+                               $filter = new $filter_name();
+
+                               if (is_subclass_of($filter, "Af_ComicFilter")) {
+                                       array_push($this->filters, $filter);
+                                       array_push($names, $filter_name);
+                               }
                        }
                }
-
        }
 
        function hook_prefs_tab($args) {
-               if ($args != "prefPrefs") return;
+               if ($args != "prefFeeds") return;
 
                print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Feeds supported by af_comics')."\">";
 
@@ -57,7 +66,9 @@ class Af_Comics extends Plugin {
                }
                print "</ul>";
 
-               print "<p>".__('GoComics requires a specific URL to workaround their lack of feed support: <code>http://feeds.feedburner.com/uclick/<em>comic_name</em></code> (e.g. <code>http://www.gocomics.com/garfield</code> uses <code>http://feeds.feedburner.com/uclick/garfield</code>).')."</p>";
+               print "<p>".__("To subscribe to GoComics use the comic's regular web page as the feed URL (e.g. for the <em>Garfield</em> comic use <code>http://www.gocomics.com/garfield</code>).")."</p>";
+
+               print "<p>".__('Drop any updated filters into <code>filters.local</code> in plugin directory.')."</p>";
 
                print "</div>";
        }
@@ -79,7 +90,7 @@ class Af_Comics extends Plugin {
                if ($auth_login || $auth_pass)
                        return $feed_data;
 
-               if (preg_match('#^https?://feeds.feedburner.com/uclick/([-a-z]+)#', $fetch_url, $comic)) {
+               if (preg_match('#^https?://(?:feeds\.feedburner\.com/uclick|www\.gocomics\.com)/([-a-z0-9]+)$#i', $fetch_url, $comic)) {
                        $site_url = 'http://www.gocomics.com/' . $comic[1];
 
                        $article_link = $site_url . date('/Y/m/d');
@@ -113,11 +124,22 @@ class Af_Comics extends Plugin {
                                        $node = $xpath->query('//picture[contains(@class, "item-comic-image")]/img')->item(0);
 
                                        if ($node) {
+                                           $node->removeAttribute("width");
+
+                                               if ($node->hasAttribute("srcset") && preg_match("|/transparent\.png$|", $node->getAttribute("srcset"))) {
+                                                       if ($node->hasAttribute("data-srcset")) {
+                                                               $node->setAttribute("srcset", $node->getAttribute("data-srcset"));
+                                                               $node->removeAttribute("data-srcset");
+                                                       } elseif ($node->hasAttribute("src")) {
+                                                               $node->remoteAttribute("srcset");
+                                                       }
+                                               }
+
                                                $tpl->setVariable('ARTICLE_ID', $article_link, true);
                                                $tpl->setVariable('ARTICLE_LINK', $article_link, true);
                                                $tpl->setVariable('ARTICLE_TITLE', date('l, F d, Y'), true);
                                                $tpl->setVariable('ARTICLE_EXCERPT', '', true);
-                                               $tpl->setVariable('ARTICLE_CONTENT', $doc->saveXML($node), true);
+                                               $tpl->setVariable('ARTICLE_CONTENT', $doc->saveHTML($node), true);
 
                                                $tpl->setVariable('ARTICLE_AUTHOR', '', true);
                                                $tpl->setVariable('ARTICLE_SOURCE_LINK', $site_url, true);
@@ -139,8 +161,18 @@ class Af_Comics extends Plugin {
                return $feed_data;
        }
 
+       function hook_subscribe_feed($contents, $url, $auth_login, $auth_pass) {
+               if ($auth_login || $auth_pass)
+                       return $contents;
+
+               if (preg_match('#^https?://www\.gocomics\.com/([-a-z0-9]+)$#i', $url))
+                       return '<?xml version="1.0" encoding="utf-8"?>'; // Get is_html() to return false.
+
+               return $contents;
+       }
+
        function api_version() {
                return 2;
        }
 
-}
\ No newline at end of file
+}