From 9e97357524fa24af651ef2b5e3e606c1e392f77b Mon Sep 17 00:00:00 2001
From: Thibaut Courouble <thibaut@me.com>
Date: Sat, 9 Sep 2017 16:57:42 -0400
Subject: [PATCH] Add web app manifest

---
 lib/app.rb           |  2 +-
 public/manifest.json | 34 ++++++++++++++++++++++++++++++++++
 views/index.erb      |  1 +
 views/other.erb      |  1 +
 4 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 public/manifest.json

diff --git a/lib/app.rb b/lib/app.rb
index 3841bde3..45d08270 100644
--- a/lib/app.rb
+++ b/lib/app.rb
@@ -74,7 +74,7 @@ class App < Sinatra::Application
     use Rack::Deflater
     use Rack::Static,
       root: 'public',
-      urls: %w(/assets /docs/ /images /favicon.ico /robots.txt /opensearch.xml /mathml.css),
+      urls: %w(/assets /docs/ /images /favicon.ico /robots.txt /opensearch.xml /mathml.css /manifest.json),
       header_rules: [
         [:all,           {'Cache-Control' => 'no-cache, max-age=0'}],
         ['/assets',      {'Cache-Control' => 'public, max-age=604800'}],
diff --git a/public/manifest.json b/public/manifest.json
new file mode 100644
index 00000000..c3ddeca4
--- /dev/null
+++ b/public/manifest.json
@@ -0,0 +1,34 @@
+{
+  "name": "DevDocs",
+  "short_name": "DevDocs",
+  "description": "API Documentation Browser",
+  "start_url": "/",
+  "display": "standalone",
+  "icons": [
+    {
+      "src": "/images/webapp-icon-32.png",
+      "sizes": "32x32",
+      "type": "image/png"
+    },
+    {
+      "src": "/images/webapp-icon-60.png",
+      "sizes": "60x60",
+      "type": "image/png"
+    },
+    {
+      "src": "/images/webapp-icon-80.png",
+      "sizes": "80x80",
+      "type": "image/png"
+    },
+    {
+      "src": "/images/webapp-icon-128.png",
+      "sizes": "128x128",
+      "type": "image/png"
+    },
+    {
+      "src": "/images/webapp-icon-256.png",
+      "sizes": "256x256",
+      "type": "image/png"
+    }
+  ]
+}
diff --git a/views/index.erb b/views/index.erb
index 2e8edf9c..31304e8c 100644
--- a/views/index.erb
+++ b/views/index.erb
@@ -17,6 +17,7 @@
   <meta name="robots" content="noodp">
   <title>DevDocs API Documentation</title>
   <link rel="canonical" href="<%= canonical_origin %>">
+  <link rel="manifest" href="<%= App.cdn_origin %>/manifest.json">
   <link rel="search" type="application/opensearchdescription+xml" href="/opensearch.xml" title="DevDocs Search">
   <link rel="alternate" href="<%= canonical_origin %>/feed" title="DevDocs" type="application/atom+xml">
   <link rel="icon" type="image/x-icon" href="<%= App.cdn_origin %>/favicon.ico">
diff --git a/views/other.erb b/views/other.erb
index b8dd6d8a..2b24c752 100644
--- a/views/other.erb
+++ b/views/other.erb
@@ -8,6 +8,7 @@
   <meta property="og:image" content="<%= App.cdn_origin %>/images/icon-128.png">
   <title>DevDocs<%= " &mdash; #{@doc['full_name']} documentation (fast, offline)" if doc_index_page? %></title>
   <link rel="canonical" href="<%= canonical_origin %><%= request.path %>">
+  <link rel="manifest" href="<%= App.cdn_origin %>/manifest.json">
   <link rel="icon" type="image/x-icon" href="<%= App.cdn_origin %>/favicon.ico">
   <link rel="search" type="application/opensearchdescription+xml" href="/opensearch.xml" title="Search DevDocs">
   <link rel="stylesheet" href="<%= main_stylesheet_path %>" data-alt="<%= alternate_stylesheet_path %>">