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authorRobin Gareus <robin@gareus.org>2020-02-23 15:26:48 +0100
committerRobin Gareus <robin@gareus.org>2020-02-23 16:21:55 +0100
commit54c4d3adc5f0cea54457df04af44397825fc2679 (patch)
treef73f78a3090dac4eeba87eb04657279997a70da3 /share/websockets_client/js/client.js
parent96ef1dc0ed9862bf4937d182f789edd20c17581f (diff)
Clean up top-level source tree
Collect architecture independent data in 'share' subfolder. This also matches the install path
Diffstat (limited to 'share/websockets_client/js/client.js')
-rw-r--r--share/websockets_client/js/client.js159
1 files changed, 159 insertions, 0 deletions
diff --git a/share/websockets_client/js/client.js b/share/websockets_client/js/client.js
new file mode 100644
index 0000000000..2219381c8f
--- /dev/null
+++ b/share/websockets_client/js/client.js
@@ -0,0 +1,159 @@
+/*
+ * 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 MAX_LOG_LINES = 1000;
+ const FEEDBACK_NODES = ['strip_gain', 'strip_pan', 'strip_meter', 'strip_plugin_enable',
+ 'strip_plugin_param_value'];
+
+ const urlParams = new URLSearchParams(window.location.search);
+ const host = window.location.hostname || '127.0.0.1';
+ const port = urlParams.get('port') || 9000;
+ const conn = new Connection(host, port);
+ const widgets = {};
+
+ conn.messageCallback = (node, addr, val) => {
+ log(`↙ ${node} (${addr}) = ${val}`, 'message-in');
+
+ if (node == 'strip_desc') {
+ createStrip (addr, ...val);
+ } else if (node == 'strip_plugin_desc') {
+ createStripPlugin (addr, ...val);
+ } else if (node == 'strip_plugin_param_desc') {
+ createStripPluginParam (addr, ...val);
+ } else if (FEEDBACK_NODES.includes(node)) {
+ if (widgets[[node, addr]]) {
+ widgets[[node, addr]].value = val[0];
+ }
+ }
+ };
+
+ conn.closeCallback = () => {
+ log('Connection dropped', 'error');
+ };
+
+ conn.errorCallback = () => {
+ log('Connection error', 'error');
+ };
+
+ function createStrip (addr, name) {
+ const id = `strip-${addr[0]}`;
+ const strips = document.getElementById('strips');
+ const div = createElem(`<div class="strip" id="${id}"></div>`, strips);
+ createElem(`<label class="comp-name" for="${id}">∿&emsp;&emsp;${name}</label>`, div);
+
+ // meter
+ const meter = new StripMeter('strip_meter', addr);
+ meter.el.classList.add('slider-meter');
+ meter.attach(div);
+ register(meter);
+
+ // gain
+ let holder = createElem(`<div class="strip-slider"></div>`, div);
+ createElem(`<label>Gain</label>`, holder);
+ const gain = new StripGainSlider('strip_gain', addr);
+ gain.attach(holder, (val) => send(gain));
+ register(gain);
+
+ // pan
+ holder = createElem(`<div class="strip-slider"></div>`, div);
+ createElem(`<label>Pan</label>`, holder);
+ const pan = new StripPanSlider('strip_pan', addr);
+ pan.attach(holder, (val) => send(pan));
+ register(pan);
+ }
+
+ function createStripPlugin (addr, name) {
+ const strip = document.getElementById(`strip-${addr[0]}`);
+ const id = `plugin-${addr[0]}-${addr[1]}`;
+ const div = createElem(`<div class="plugin" id="${id}"></div>`, strip);
+ createElem(`<label class="comp-name">⨍&emsp;&emsp;${name}</label>`, div);
+ const enable = new Switch('strip_plugin_enable', addr);
+ enable.el.classList.add('plugin-enable');
+ enable.attach(div, (val) => send(enable));
+ register(enable);
+ }
+
+ function createStripPluginParam (addr, name, data_type, min, max, is_log) {
+ let param, clazz;
+
+ if (data_type == 'b') {
+ clazz = 'boolean';
+ param = new Switch('strip_plugin_param_value', addr);
+ } else if (data_type == 'i') {
+ clazz = 'discrete';
+ param = new DiscreteSlider('strip_plugin_param_value', addr, min, max);
+ } else if (data_type == 'd') {
+ clazz = 'continuous';
+ if (is_log) {
+ param = new LogarithmicSlider('strip_plugin_param_value', addr, min, max);
+ } else {
+ param = new ContinuousSlider('strip_plugin_param_value', addr, min, max);
+ }
+ }
+
+ const plugin = document.getElementById(`plugin-${addr[0]}-${addr[1]}`);
+ const id = `param-${addr[0]}-${addr[1]}-${addr[2]}`;
+ const div = createElem(`<div class="plugin-param ${clazz}" id="${id}"></div>`, plugin);
+ createElem(`<label for="${id}">${name}</label>`, div);
+
+ param.attach(div, (val) => send(param));
+ param.el.name = id;
+ register(param);
+ }
+
+ function send (widget) {
+ const val = widget.value;
+ log(`↗ ${widget.node} (${widget.addr}) = ${val}`, 'message-out');
+ conn.send(widget.node, widget.addr, [val]);
+ }
+
+ function createElem (html, parent) {
+ const t = document.createElement('template');
+ t.innerHTML = html;
+
+ const elem = t.content.firstChild;
+
+ if (parent) {
+ parent.appendChild(elem);
+ }
+
+ return elem;
+ }
+
+ function register (widget) {
+ widgets[widget.hash] = widget;
+ }
+
+ function log (message, className) {
+ const output = document.getElementById('log');
+
+ if (output.childElementCount > MAX_LOG_LINES) {
+ output.removeChild(output.childNodes[0]);
+ }
+
+ const pre = document.createElement('pre');
+ pre.innerHTML = message;
+ pre.className = className;
+
+ output.appendChild(pre);
+ output.scrollTop = output.scrollHeight;
+ }
+
+})();