WebSockets: prepare for developing a shared JS API client

5 files changed, 161 insertions, 0 deletions

diff --git a/share/web_surfaces/index/junge-regular-webfont.ttf b/share/web_surfaces/index/junge-regular-webfont.ttf
new file mode 100644
index 0000000000..4e381e9e3f
--- /dev/null
+++ b/share/web_surfaces/index/junge-regular-webfont.ttf
diff --git a/share/web_surfaces/index/junge-regular-webfont.woff b/share/web_surfaces/index/junge-regular-webfont.woff
new file mode 100644
index 0000000000..4a74925aa9
--- /dev/null
+++ b/share/web_surfaces/index/junge-regular-webfont.woff
diff --git a/share/web_surfaces/index/logo.png b/share/web_surfaces/index/logo.png
new file mode 100644
index 0000000000..652a6c3e1c
--- /dev/null
+++ b/share/web_surfaces/index/logo.png
diff --git a/share/web_surfaces/index/main.css b/share/web_surfaces/index/main.css
new file mode 100644
index 0000000000..3b330fa36f
--- /dev/null
+++ b/share/web_surfaces/index/main.css
@@ -0,0 +1,81 @@
+@font-face {
+	font-family: 'junge-regular';
+	src: url('junge-regular-webfont.woff') format('woff'),
+		 url('junge-regular-webfont.ttf')  format('truetype');
+	font-weight: normal;
+	font-style: normal;
+}
+
+html {
+	height: 100%;
+}
+
+body {
+	font-family: 'junge-regular';
+	font-size: 16px;
+	height: 100%;
+	margin: 0;
+}
+
+div {
+	box-sizing: border-box;
+}
+
+a {
+	color: #337ab7;
+	text-decoration: none;
+}
+
+a:visited {
+	text-decoration: underline;
+}
+
+a:focus, a:hover {
+	color: #23527c;
+	text-decoration: underline;
+}
+
+h1, h2 {
+	font-weight: normal;
+}
+
+h1 {
+	font-size: 1.8em;
+	margin: 0 0 2ex 0;
+	padding-bottom: .8ex;
+}
+
+h2 {
+	font-size: 1.3em;
+	margin: 2ex 0 1ex 0;
+}
+
+#top-bar {
+	background: #212a30;
+	padding: 4px;
+}
+
+#logo {
+	height: 36px;
+	margin: 8px 8px 0 8px;
+}
+
+#content {
+	padding: 24px;
+}
+
+#index h2 {
+	border-bottom: 2px solid #ddd;
+}
+
+.surface-list {
+	margin-bottom: 6ex;
+}
+
+.surface-list > ul {
+	list-style-type: none;
+}
+
+.surface-list > ul > li {
+	margin: 4ex 0;
+}
\ No newline at end of file
diff --git a/share/web_surfaces/index/main.js b/share/web_surfaces/index/main.js
new file mode 100644
index 0000000000..9a8e9301a5
--- /dev/null
+++ b/share/web_surfaces/index/main.js
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2020 Luciano Iam <lucianito@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+(() => {
+
+    const INDEX_RESOURCE = 'index.json';
+
+    async function fetchIndex (url) {
+        const response = await fetch(url);
+        
+        if (response.status == 200) {
+            return await response.json();
+        } else {
+            throw new Error(`HTTP response status ${response.status}`);
+        }
+    }
+
+    function buildItem (group, model) {
+        const li = document.createElement('li');
+        li.innerHTML = `<li>
+                        <a href="${group}/${model.id}/">${model.name}</a>
+                        <p>${model.description}</p>
+                    </li>`;
+        return li;
+    }
+
+    function printIndex (index) {
+        ['builtin', 'user'].forEach((group) => {
+            const ul = document.getElementById(group);
+            let models = index[group];
+
+            if (models.length > 0) {
+                models.sort((a, b) => a.name.localeCompare(b.name));
+                for (model of models) {
+                    ul.appendChild(buildItem(group, model));
+                }
+            } else {
+                ul.parentNode.style.display = 'none';
+            }
+        });
+
+        document.getElementById('index').style.display = 'inline';
+    }
+
+    function printError (message) {
+        const error = document.getElementById('error');
+        error.innerHTML = message;
+        error.style.display = 'inline';
+    }
+
+    async function main () {
+        try {
+            const indexUrl = `${location.protocol}//${location.host}/${INDEX_RESOURCE}`;
+            const index = await fetchIndex (indexUrl);
+            printIndex(index);
+        } catch (err) {
+            printError(`Error loading ${INDEX_RESOURCE}: ${err.message}`);
+        }
+
+        document.getElementById('loading').style.display = 'none';
+    }
+
+    main();
+
+})();