From 4e74da590ee935c2187dd02f6c2b312680065f13 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Fri, 28 Feb 2020 08:03:25 +0300
Subject: af_readability: allow get full text button to work as a toggle; in
 cdm, scroll to article after embedding

---
 include/functions.php           |  4 ++--
 js/tt-rss.js                    |  2 +-
 plugins/af_readability/init.js  | 22 +++++++++++++++++++---
 plugins/af_readability/init.php |  2 +-
 4 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/include/functions.php b/include/functions.php
index 5405dac6e..3e37d1d28 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -1053,7 +1053,7 @@
 				"close_article" => __("Close/collapse article"),
 				"toggle_expand" => __("Toggle article expansion (combined mode)"),
 				"toggle_widescreen" => __("Toggle widescreen mode"),
-				"embed_full_text" => __("Get full article text via Readability")),
+				"toggle_full_text" => __("Toggle full article text via Readability")),
 			__("Article selection") => array(
 				"select_all" => __("Select all articles"),
 				"select_unread" => __("Select unread"),
@@ -1124,7 +1124,7 @@
 			"N" => "article_scroll_down",
 			"P" => "article_scroll_up",
 			"a W" => "toggle_widescreen",
-			"a e" => "embed_full_text",
+			"a e" => "toggle_full_text",
 			"e" => "email_article",
 			"a q" => "close_article",
 			"a a" => "select_all",
diff --git a/js/tt-rss.js b/js/tt-rss.js
index 73790e295..d45dd5748 100644
--- a/js/tt-rss.js
+++ b/js/tt-rss.js
@@ -476,7 +476,7 @@ require(["dojo/_base/kernel",
 					this.hotkey_actions["collapse_sidebar"] = function () {
 						Feeds.toggle();
 					};
-					this.hotkey_actions["embed_full_text"] = function () {
+					this.hotkey_actions["toggle_full_text"] = function () {
 						if (typeof Plugins.Af_Readability != "undefined") {
 							if (Article.getActive())
 								Plugins.Af_Readability.embed(Article.getActive());
diff --git a/plugins/af_readability/init.js b/plugins/af_readability/init.js
index fd603cbf1..644dff9fe 100644
--- a/plugins/af_readability/init.js
+++ b/plugins/af_readability/init.js
@@ -1,16 +1,32 @@
 Plugins.Af_Readability = {
+    orig_attr_name: 'data-readability-orig-content',
+    self: this,
     embed: function(id) {
+        const content = $$(App.isCombinedMode() ? ".cdm[data-article-id=" + id + "] .content-inner" :
+            ".post[data-article-id=" + id + "] .content")[0];
+
+        if (content.hasAttribute(self.orig_attr_name)) {
+            content.innerHTML = content.getAttribute(self.orig_attr_name);
+            content.removeAttribute(self.orig_attr_name);
+
+            if (App.isCombinedMode()) Article.cdmScrollToId(id);
+
+            return;
+        }
+
         Notify.progress("Loading, please wait...");
 
         xhrJson("backend.php",{ op: "pluginhandler", plugin: "af_readability", method: "embed", param: id }, (reply) => {
-            const content = $$(App.isCombinedMode() ? ".cdm[data-article-id=" + id + "] .content-inner" :
-                ".post[data-article-id=" + id + "] .content")[0];
 
             if (content && reply.content) {
+                content.setAttribute(self.orig_attr_name, content.innerHTML);
                 content.innerHTML = reply.content;
                 Notify.close();
+
+                if (App.isCombinedMode()) Article.cdmScrollToId(id);
+
             } else {
-                Notify.error("Unable to fetch content for this article");
+                Notify.error("Unable to fetch full text for this article");
             }
         });
     }
diff --git a/plugins/af_readability/init.php b/plugins/af_readability/init.php
index ef7809d3f..9c62a4772 100755
--- a/plugins/af_readability/init.php
+++ b/plugins/af_readability/init.php
@@ -53,7 +53,7 @@ class Af_Readability extends Plugin {
 
 	function hook_article_button($line) {
 		return "<i class='material-icons' onclick=\"Plugins.Af_Readability.embed(".$line["id"].")\"
-			style='cursor : pointer' title='".__('Get full article text')."'>description</i>";
+			style='cursor : pointer' title='".__('Toggle full article text')."'>description</i>";
 	}
 
 	function hook_prefs_tab($args) {
-- 
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