Port Statusbar Features to Peas API (#106)

Statusbar Features are buttons providing quick access to oft-used settings, readily available in the statusbar. Traditionally only usable with a persistent statusbar the overlay automatically switches to a hybrid mode where the buttons remain accessible regardless of the main text.

![screenshot from 2018-10-19 00-58-24](https://user-images.githubusercontent.com/1204189/47191349-0718ba80-d347-11e8-86eb-2c8d7b7743fd.png)

2 files changed, 64 insertions, 0 deletions

diff --git a/extensions/statusbar-features.plugin.in b/extensions/statusbar-features.plugin.in
new file mode 100644
index 00000000..92a15338
--- /dev/null
+++ b/extensions/statusbar-features.plugin.in
@@ -0,0 +1,6 @@
+[Plugin]
+Module=statusbar-features
+IAge=3
+Icon=checkbox-checked-symbolic
+_Name=Statusbar Features
+_Description=Easily toggle features on web pages on and off
diff --git a/extensions/statusbar-features.vala b/extensions/statusbar-features.vala
new file mode 100644
index 00000000..bdbdad49
--- /dev/null
+++ b/extensions/statusbar-features.vala
@@ -0,0 +1,58 @@
+/*
+ Copyright (C) 2008-2018 Christian Dywan <christian@twotoasts.de>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ See the file COPYING for the full license text.
+*/
+
+namespace StatusbarFeatures {
+    public class Frontend : Object, Midori.BrowserActivatable {
+        public Midori.Browser browser { owned get; set; }
+
+        void add_toggle (string item, string? icon_name=null, string? tooltip=null) {
+            var button = new Gtk.ToggleButton ();
+            if (icon_name != null) {
+                button.add (new Gtk.Image.from_icon_name (icon_name, Gtk.IconSize.BUTTON));
+            } else {
+                button.label = item;
+            }
+            button.tooltip_text = tooltip;
+            var settings = Midori.CoreSettings.get_default ();
+            if (settings.get_class ().find_property (item) != null) {
+                settings.bind_property (item, button, "active", BindingFlags.SYNC_CREATE | BindingFlags.BIDIRECTIONAL);
+            } else {
+                button.sensitive = false;
+            }
+            button.show_all ();
+            deactivate.connect (() => {
+                button.destroy ();
+            });
+            browser.statusbar.add (button);
+        }
+
+        public void activate () {
+            string items = "auto-load-images;enable-javascript;enable-plugins";
+            foreach (string item in items.split (";")) {
+                if (item == "enable-javascript") {
+                    add_toggle (item, "text-x-script", _("Enable scripts"));
+                } else if (item == "auto-load-images") {
+                    add_toggle (item, "image-x-generic", _("Load images automatically"));
+                } else if (item == "enable-plugins") {
+                    add_toggle (item, "libpeas-plugin", _("Enable Netscape plugins"));
+                } else {
+                    add_toggle (item);
+                }
+            }
+        }
+    }
+}
+
+[ModuleInit]
+public void peas_register_types(TypeModule module) {
+    ((Peas.ObjectModule)module).register_extension_type (
+        typeof (Midori.BrowserActivatable), typeof (StatusbarFeatures.Frontend));
+}