#51 first web panel iteration

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "platypush/backend/http/static/font-awesome"]
+	path = platypush/backend/http/static/font-awesome
+	url = https://github.com/FortAwesome/Font-Awesome

platypush/backend/http/__init__.py

@@ -1,12 +1,17 @@
+import asyncio
 import logging
 import json
+import os
 import time
+import websockets
 
+from threading import Thread
 from multiprocessing import Process
-from flask import Flask, abort, jsonify, request
+from flask import Flask, abort, jsonify, request, render_template, send_from_directory
 
 from platypush.config import Config
 from platypush.message import Message
+from platypush.message.event import Event
 from platypush.message.request import Request
 
 from .. import Backend
@@ -18,11 +23,14 @@ class HttpBackend(Backend):
             -d '{"type":"request","target":"nodename","action":"tts.say","args": {"phrase":"This is a test"}}' \
             http://localhost:8008/execute """
 
-    def __init__(self, port=8008, token=None, **kwargs):
+    def __init__(self, port=8008, websocket_port=8009, token=None, **kwargs):
         super().__init__(**kwargs)
         self.port = port
+        self.websocket_port = websocket_port
         self.token = token
         self.server_proc = None
+        self.websocket_thread = None
+        self.active_websockets = set()
 
 
     def send_message(self, msg):
@@ -31,18 +39,36 @@ class HttpBackend(Backend):
 
     def stop(self):
         logging.info('Received STOP event on HttpBackend')
+
         if self.server_proc:
             self.server_proc.terminate()
             self.server_proc.join()
 
 
-    def run(self):
+    def notify_web_clients(self, event):
-        super().run()
+        async def send_event(websocket):
+            await websocket.send(str(event))
 
-        app = Flask(__name__)
+        loop = asyncio.new_event_loop()
+        active_websockets = set()
+
+        for websocket in self.active_websockets:
+            try:
+                loop.run_until_complete(send_event(websocket))
+                active_websockets.add(websocket)
+            except websockets.exceptions.ConnectionClosed:
+                logging.info('Client connection lost')
+
+        self.active_websockets = active_websockets
+
+
+    def webserver(self):
+        template_dir = os.path.join(os.getcwd(),'platypush','backend','http','templates')
+        static_dir = os.path.join(os.getcwd(),'platypush','backend','http','static')
+        app = Flask(__name__, template_folder=template_dir)
 
         @app.route('/execute', methods=['POST'])
-        def index():
+        def execute():
             args = json.loads(request.data.decode('utf-8'))
             token = request.headers['X-Token'] if 'X-Token' in request.headers else None
             if token != self.token: abort(401)
@@ -54,19 +80,70 @@ class HttpBackend(Backend):
                 response = msg.execute(async=False)
                 logging.info('Processing response on the HTTP backend: {}'.format(msg))
                 return str(response)
+            elif isinstance(msg, Event):
+                self.bus.post(msg)
 
             return jsonify({ 'status': 'ok' })
 
+
+        @app.route('/')
+        def index():
+            configured_plugins = Config.get_plugins()
+            enabled_plugins = {}
+
+            for plugin, conf in configured_plugins.items():
+                template_file = os.path.join('plugins', plugin + '.html')
+                if os.path.isfile(os.path.join(template_dir, template_file)):
+                    enabled_plugins[plugin] = conf
+
+            return render_template('index.html', plugins=enabled_plugins,
+                                   token=self.token, websocket_port=self.websocket_port)
+
+
+        @app.route('/static/<path>')
+        def static_path(path):
+            return send_from_directory(static_dir, filename)
+
+        return app
+
+
+    def websocket(self):
+        async def register_websocket(websocket, path):
+            logging.info('New websocket connection from {}'.format(websocket.remote_address[0]))
+            self.active_websockets.add(websocket)
+
+            while True:
+                try:
+                    waiter = await websocket.ping()
+                    await asyncio.wait_for(waiter, timeout=5)
+                except (asyncio.TimeoutError, websockets.exceptions.ConnectionClosed) as e:
+                    logging.info('Client {} closed connection'.format(websocket.remote_address[0]))
+                    self.active_websockets.remove(websocket)
+                    break
+
+        loop = asyncio.new_event_loop()
+        asyncio.set_event_loop(loop)
+        loop.run_until_complete(
+            websockets.serve(register_websocket, 'localhost', self.websocket_port))
+        loop.run_forever()
+
+
+    def run(self):
+        super().run()
         logging.info('Initialized HTTP backend on port {}'.format(self.port))
 
-        self.server_proc = Process(target=app.run, kwargs={
+        webserver = self.webserver()
+        self.server_proc = Process(target=webserver.run, kwargs={
             'debug':True, 'host':'0.0.0.0', 'port':self.port, 'use_reloader':False
         })
 
+        self.websocket_thread = Thread(target=self.websocket)
         time.sleep(1)
 
         self.server_proc.start()
+        self.websocket_thread.start()
         self.server_proc.join()
+        self.websocket_thread.join()
 
 
 # vim:sw=4:ts=4:et:

platypush/backend/http/static/css/application.css

@@ -0,0 +1,47 @@
+body {
+    width: 100%;
+    height: 100%;
+    overflow: hidden;
+}
+
+header {
+    width: 100%;
+    background: rgba(230,230,220,1);
+    padding: 25px;
+    margin: -10px 10px 20px -10px;
+}
+
+.logo {
+    font-size: 25px;
+}
+
+    .logo > .logo-1 {
+        font-weight: bold;
+    }
+
+main {
+    width: 80%;
+    margin: auto;
+}
+
+.tab-content {
+    border: 1px solid #bbb;
+    border-top: 0;
+    padding: 20px;
+    margin: -25px 0 auto 5px;
+}
+
+    .playback-controls {
+        text-align: right;
+    }
+
+    .button[disabled] {
+        background: rgba(240,240,240,1)
+    }
+
+
+    .now-playing > .artist {
+        font-weight: bold;
+        display: block;
+    }
+

platypush/backend/http/static/css/normalize.css

@@ -0,0 +1,427 @@
+/*! normalize.css v3.0.2 | MIT License | git.io/normalize */
+
+/**
+ * 1. Set default font family to sans-serif.
+ * 2. Prevent iOS text size adjust after orientation change, without disabling
+ *    user zoom.
+ */
+
+html {
+  font-family: sans-serif; /* 1 */
+  -ms-text-size-adjust: 100%; /* 2 */
+  -webkit-text-size-adjust: 100%; /* 2 */
+}
+
+/**
+ * Remove default margin.
+ */
+
+body {
+  margin: 0;
+}
+
+/* HTML5 display definitions
+   ========================================================================== */
+
+/**
+ * Correct `block` display not defined for any HTML5 element in IE 8/9.
+ * Correct `block` display not defined for `details` or `summary` in IE 10/11
+ * and Firefox.
+ * Correct `block` display not defined for `main` in IE 11.
+ */
+
+article,
+aside,
+details,
+figcaption,
+figure,
+footer,
+header,
+hgroup,
+main,
+menu,
+nav,
+section,
+summary {
+  display: block;
+}
+
+/**
+ * 1. Correct `inline-block` display not defined in IE 8/9.
+ * 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera.
+ */
+
+audio,
+canvas,
+progress,
+video {
+  display: inline-block; /* 1 */
+  vertical-align: baseline; /* 2 */
+}
+
+/**
+ * Prevent modern browsers from displaying `audio` without controls.
+ * Remove excess height in iOS 5 devices.
+ */
+
+audio:not([controls]) {
+  display: none;
+  height: 0;
+}
+
+/**
+ * Address `[hidden]` styling not present in IE 8/9/10.
+ * Hide the `template` element in IE 8/9/11, Safari, and Firefox < 22.
+ */
+
+[hidden],
+template {
+  display: none;
+}
+
+/* Links
+   ========================================================================== */
+
+/**
+ * Remove the gray background color from active links in IE 10.
+ */
+
+a {
+  background-color: transparent;
+}
+
+/**
+ * Improve readability when focused and also mouse hovered in all browsers.
+ */
+
+a:active,
+a:hover {
+  outline: 0;
+}
+
+/* Text-level semantics
+   ========================================================================== */
+
+/**
+ * Address styling not present in IE 8/9/10/11, Safari, and Chrome.
+ */
+
+abbr[title] {
+  border-bottom: 1px dotted;
+}
+
+/**
+ * Address style set to `bolder` in Firefox 4+, Safari, and Chrome.
+ */
+
+b,
+strong {
+  font-weight: bold;
+}
+
+/**
+ * Address styling not present in Safari and Chrome.
+ */
+
+dfn {
+  font-style: italic;
+}
+
+/**
+ * Address variable `h1` font-size and margin within `section` and `article`
+ * contexts in Firefox 4+, Safari, and Chrome.
+ */
+
+h1 {
+  font-size: 2em;
+  margin: 0.67em 0;
+}
+
+/**
+ * Address styling not present in IE 8/9.
+ */
+
+mark {
+  background: #ff0;
+  color: #000;
+}
+
+/**
+ * Address inconsistent and variable font size in all browsers.
+ */
+
+small {
+  font-size: 80%;
+}
+
+/**
+ * Prevent `sub` and `sup` affecting `line-height` in all browsers.
+ */
+
+sub,
+sup {
+  font-size: 75%;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline;
+}
+
+sup {
+  top: -0.5em;
+}
+
+sub {
+  bottom: -0.25em;
+}
+
+/* Embedded content
+   ========================================================================== */
+
+/**
+ * Remove border when inside `a` element in IE 8/9/10.
+ */
+
+img {
+  border: 0;
+}
+
+/**
+ * Correct overflow not hidden in IE 9/10/11.
+ */
+
+svg:not(:root) {
+  overflow: hidden;
+}
+
+/* Grouping content
+   ========================================================================== */
+
+/**
+ * Address margin not present in IE 8/9 and Safari.
+ */
+
+figure {
+  margin: 1em 40px;
+}
+
+/**
+ * Address differences between Firefox and other browsers.
+ */
+
+hr {
+  -moz-box-sizing: content-box;
+  box-sizing: content-box;
+  height: 0;
+}
+
+/**
+ * Contain overflow in all browsers.
+ */
+
+pre {
+  overflow: auto;
+}
+
+/**
+ * Address odd `em`-unit font size rendering in all browsers.
+ */
+
+code,
+kbd,
+pre,
+samp {
+  font-family: monospace, monospace;
+  font-size: 1em;
+}
+
+/* Forms
+   ========================================================================== */
+
+/**
+ * Known limitation: by default, Chrome and Safari on OS X allow very limited
+ * styling of `select`, unless a `border` property is set.
+ */
+
+/**
+ * 1. Correct color not being inherited.
+ *    Known issue: affects color of disabled elements.
+ * 2. Correct font properties not being inherited.
+ * 3. Address margins set differently in Firefox 4+, Safari, and Chrome.
+ */
+
+button,
+input,
+optgroup,
+select,
+textarea {
+  color: inherit; /* 1 */
+  font: inherit; /* 2 */
+  margin: 0; /* 3 */
+}
+
+/**
+ * Address `overflow` set to `hidden` in IE 8/9/10/11.
+ */
+
+button {
+  overflow: visible;
+}
+
+/**
+ * Address inconsistent `text-transform` inheritance for `button` and `select`.
+ * All other form control elements do not inherit `text-transform` values.
+ * Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera.
+ * Correct `select` style inheritance in Firefox.
+ */
+
+button,
+select {
+  text-transform: none;
+}
+
+/**
+ * 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
+ *    and `video` controls.
+ * 2. Correct inability to style clickable `input` types in iOS.
+ * 3. Improve usability and consistency of cursor style between image-type
+ *    `input` and others.
+ */
+
+button,
+html input[type="button"], /* 1 */
+input[type="reset"],
+input[type="submit"] {
+  -webkit-appearance: button; /* 2 */
+  cursor: pointer; /* 3 */
+}
+
+/**
+ * Re-set default cursor for disabled elements.
+ */
+
+button[disabled],
+html input[disabled] {
+  cursor: default;
+}
+
+/**
+ * Remove inner padding and border in Firefox 4+.
+ */
+
+button::-moz-focus-inner,
+input::-moz-focus-inner {
+  border: 0;
+  padding: 0;
+}
+
+/**
+ * Address Firefox 4+ setting `line-height` on `input` using `!important` in
+ * the UA stylesheet.
+ */
+
+input {
+  line-height: normal;
+}
+
+/**
+ * It's recommended that you don't attempt to style these elements.
+ * Firefox's implementation doesn't respect box-sizing, padding, or width.
+ *
+ * 1. Address box sizing set to `content-box` in IE 8/9/10.
+ * 2. Remove excess padding in IE 8/9/10.
+ */
+
+input[type="checkbox"],
+input[type="radio"] {
+  box-sizing: border-box; /* 1 */
+  padding: 0; /* 2 */
+}
+
+/**
+ * Fix the cursor style for Chrome's increment/decrement buttons. For certain
+ * `font-size` values of the `input`, it causes the cursor style of the
+ * decrement button to change from `default` to `text`.
+ */
+
+input[type="number"]::-webkit-inner-spin-button,
+input[type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+/**
+ * 1. Address `appearance` set to `searchfield` in Safari and Chrome.
+ * 2. Address `box-sizing` set to `border-box` in Safari and Chrome
+ *    (include `-moz` to future-proof).
+ */
+
+input[type="search"] {
+  -webkit-appearance: textfield; /* 1 */
+  -moz-box-sizing: content-box;
+  -webkit-box-sizing: content-box; /* 2 */
+  box-sizing: content-box;
+}
+
+/**
+ * Remove inner padding and search cancel button in Safari and Chrome on OS X.
+ * Safari (but not Chrome) clips the cancel button when the search input has
+ * padding (and `textfield` appearance).
+ */
+
+input[type="search"]::-webkit-search-cancel-button,
+input[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+/**
+ * Define consistent border, margin, and padding.
+ */
+
+fieldset {
+  border: 1px solid #c0c0c0;
+  margin: 0 2px;
+  padding: 0.35em 0.625em 0.75em;
+}
+
+/**
+ * 1. Correct `color` not being inherited in IE 8/9/10/11.
+ * 2. Remove padding so people aren't caught out if they zero out fieldsets.
+ */
+
+legend {
+  border: 0; /* 1 */
+  padding: 0; /* 2 */
+}
+
+/**
+ * Remove default vertical scrollbar in IE 8/9/10/11.
+ */
+
+textarea {
+  overflow: auto;
+}
+
+/**
+ * Don't inherit the `font-weight` (applied by a rule above).
+ * NOTE: the default cannot safely be changed in Chrome and Safari on OS X.
+ */
+
+optgroup {
+  font-weight: bold;
+}
+
+/* Tables
+   ========================================================================== */
+
+/**
+ * Remove most spacing between table cells.
+ */
+
+table {
+  border-collapse: collapse;
+  border-spacing: 0;
+}
+
+td,
+th {
+  padding: 0;
+}

platypush/backend/http/static/css/skeleton-tabs.css

@@ -0,0 +1,29 @@
+
+ul.tab-nav {
+    list-style: none;
+    border-bottom: 1px solid #bbb;
+    padding-left: 5px;
+}
+
+ul.tab-nav li {
+    display: inline;
+}
+
+ul.tab-nav li a.button {
+    border-bottom-left-radius: 0;
+    border-bottom-right-radius: 0;
+    margin-bottom: -1px;
+    border-bottom: none;
+}
+
+ul.tab-nav li a.active.button {
+    border-bottom: 1px solid #fff;
+}
+
+.tab-content .tab-pane {
+    display: none;
+}
+
+.tab-content .tab-pane.active {
+    display: block;
+}

platypush/backend/http/static/css/skeleton.css

@@ -0,0 +1,418 @@
+/*
+* Skeleton V2.0.4
+* Copyright 2014, Dave Gamache
+* www.getskeleton.com
+* Free to use under the MIT license.
+* http://www.opensource.org/licenses/mit-license.php
+* 12/29/2014
+*/
+
+
+/* Table of contents
+––––––––––––––––––––––––––––––––––––––––––––––––––
+- Grid
+- Base Styles
+- Typography
+- Links
+- Buttons
+- Forms
+- Lists
+- Code
+- Tables
+- Spacing
+- Utilities
+- Clearing
+- Media Queries
+*/
+
+
+/* Grid
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+.container {
+  position: relative;
+  width: 100%;
+  max-width: 960px;
+  margin: 0 auto;
+  padding: 0 20px;
+  box-sizing: border-box; }
+.column,
+.columns {
+  width: 100%;
+  float: left;
+  box-sizing: border-box; }
+
+/* For devices larger than 400px */
+@media (min-width: 400px) {
+  .container {
+    width: 85%;
+    padding: 0; }
+}
+
+/* For devices larger than 550px */
+@media (min-width: 550px) {
+  .container {
+    width: 80%; }
+  .column,
+  .columns {
+    margin-left: 4%; }
+  .column:first-child,
+  .columns:first-child {
+    margin-left: 0; }
+
+  .one.column,
+  .one.columns                    { width: 4.66666666667%; }
+  .two.columns                    { width: 13.3333333333%; }
+  .three.columns                  { width: 22%;            }
+  .four.columns                   { width: 30.6666666667%; }
+  .five.columns                   { width: 39.3333333333%; }
+  .six.columns                    { width: 48%;            }
+  .seven.columns                  { width: 56.6666666667%; }
+  .eight.columns                  { width: 65.3333333333%; }
+  .nine.columns                   { width: 74.0%;          }
+  .ten.columns                    { width: 82.6666666667%; }
+  .eleven.columns                 { width: 91.3333333333%; }
+  .twelve.columns                 { width: 100%; margin-left: 0; }
+
+  .one-third.column               { width: 30.6666666667%; }
+  .two-thirds.column              { width: 65.3333333333%; }
+
+  .one-half.column                { width: 48%; }
+
+  /* Offsets */
+  .offset-by-one.column,
+  .offset-by-one.columns          { margin-left: 8.66666666667%; }
+  .offset-by-two.column,
+  .offset-by-two.columns          { margin-left: 17.3333333333%; }
+  .offset-by-three.column,
+  .offset-by-three.columns        { margin-left: 26%;            }
+  .offset-by-four.column,
+  .offset-by-four.columns         { margin-left: 34.6666666667%; }
+  .offset-by-five.column,
+  .offset-by-five.columns         { margin-left: 43.3333333333%; }
+  .offset-by-six.column,
+  .offset-by-six.columns          { margin-left: 52%;            }
+  .offset-by-seven.column,
+  .offset-by-seven.columns        { margin-left: 60.6666666667%; }
+  .offset-by-eight.column,
+  .offset-by-eight.columns        { margin-left: 69.3333333333%; }
+  .offset-by-nine.column,
+  .offset-by-nine.columns         { margin-left: 78.0%;          }
+  .offset-by-ten.column,
+  .offset-by-ten.columns          { margin-left: 86.6666666667%; }
+  .offset-by-eleven.column,
+  .offset-by-eleven.columns       { margin-left: 95.3333333333%; }
+
+  .offset-by-one-third.column,
+  .offset-by-one-third.columns    { margin-left: 34.6666666667%; }
+  .offset-by-two-thirds.column,
+  .offset-by-two-thirds.columns   { margin-left: 69.3333333333%; }
+
+  .offset-by-one-half.column,
+  .offset-by-one-half.columns     { margin-left: 52%; }
+
+}
+
+
+/* Base Styles
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+/* NOTE
+html is set to 62.5% so that all the REM measurements throughout Skeleton
+are based on 10px sizing. So basically 1.5rem = 15px :) */
+html {
+  font-size: 62.5%; }
+body {
+  font-size: 1.5em; /* currently ems cause chrome bug misinterpreting rems on body element */
+  line-height: 1.6;
+  font-weight: 400;
+  font-family: "Raleway", "HelveticaNeue", "Helvetica Neue", Helvetica, Arial, sans-serif;
+  color: #222; }
+
+
+/* Typography
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+h1, h2, h3, h4, h5, h6 {
+  margin-top: 0;
+  margin-bottom: 2rem;
+  font-weight: 300; }
+h1 { font-size: 4.0rem; line-height: 1.2;  letter-spacing: -.1rem;}
+h2 { font-size: 3.6rem; line-height: 1.25; letter-spacing: -.1rem; }
+h3 { font-size: 3.0rem; line-height: 1.3;  letter-spacing: -.1rem; }
+h4 { font-size: 2.4rem; line-height: 1.35; letter-spacing: -.08rem; }
+h5 { font-size: 1.8rem; line-height: 1.5;  letter-spacing: -.05rem; }
+h6 { font-size: 1.5rem; line-height: 1.6;  letter-spacing: 0; }
+
+/* Larger than phablet */
+@media (min-width: 550px) {
+  h1 { font-size: 5.0rem; }
+  h2 { font-size: 4.2rem; }
+  h3 { font-size: 3.6rem; }
+  h4 { font-size: 3.0rem; }
+  h5 { font-size: 2.4rem; }
+  h6 { font-size: 1.5rem; }
+}
+
+p {
+  margin-top: 0; }
+
+
+/* Links
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+a {
+  color: #1EAEDB; }
+a:hover {
+  color: #0FA0CE; }
+
+
+/* Buttons
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+.button,
+button,
+input[type="submit"],
+input[type="reset"],
+input[type="button"] {
+  display: inline-block;
+  height: 38px;
+  padding: 0 30px;
+  color: #555;
+  text-align: center;
+  font-size: 11px;
+  font-weight: 600;
+  line-height: 38px;
+  letter-spacing: .1rem;
+  text-transform: uppercase;
+  text-decoration: none;
+  white-space: nowrap;
+  background-color: transparent;
+  border-radius: 4px;
+  border: 1px solid #bbb;
+  cursor: pointer;
+  box-sizing: border-box; }
+.button:hover,
+button:hover,
+input[type="submit"]:hover,
+input[type="reset"]:hover,
+input[type="button"]:hover,
+.button:focus,
+button:focus,
+input[type="submit"]:focus,
+input[type="reset"]:focus,
+input[type="button"]:focus {
+  color: #333;
+  border-color: #888;
+  outline: 0; }
+.button.button-primary,
+button.button-primary,
+input[type="submit"].button-primary,
+input[type="reset"].button-primary,
+input[type="button"].button-primary {
+  color: #FFF;
+  background-color: #33C3F0;
+  border-color: #33C3F0; }
+.button.button-primary:hover,
+button.button-primary:hover,
+input[type="submit"].button-primary:hover,
+input[type="reset"].button-primary:hover,
+input[type="button"].button-primary:hover,
+.button.button-primary:focus,
+button.button-primary:focus,
+input[type="submit"].button-primary:focus,
+input[type="reset"].button-primary:focus,
+input[type="button"].button-primary:focus {
+  color: #FFF;
+  background-color: #1EAEDB;
+  border-color: #1EAEDB; }
+
+
+/* Forms
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+input[type="email"],
+input[type="number"],
+input[type="search"],
+input[type="text"],
+input[type="tel"],
+input[type="url"],
+input[type="password"],
+textarea,
+select {
+  height: 38px;
+  padding: 6px 10px; /* The 6px vertically centers text on FF, ignored by Webkit */
+  background-color: #fff;
+  border: 1px solid #D1D1D1;
+  border-radius: 4px;
+  box-shadow: none;
+  box-sizing: border-box; }
+/* Removes awkward default styles on some inputs for iOS */
+input[type="email"],
+input[type="number"],
+input[type="search"],
+input[type="text"],
+input[type="tel"],
+input[type="url"],
+input[type="password"],
+textarea {
+  -webkit-appearance: none;
+     -moz-appearance: none;
+          appearance: none; }
+textarea {
+  min-height: 65px;
+  padding-top: 6px;
+  padding-bottom: 6px; }
+input[type="email"]:focus,
+input[type="number"]:focus,
+input[type="search"]:focus,
+input[type="text"]:focus,
+input[type="tel"]:focus,
+input[type="url"]:focus,
+input[type="password"]:focus,
+textarea:focus,
+select:focus {
+  border: 1px solid #33C3F0;
+  outline: 0; }
+label,
+legend {
+  display: block;
+  margin-bottom: .5rem;
+  font-weight: 600; }
+fieldset {
+  padding: 0;
+  border-width: 0; }
+input[type="checkbox"],
+input[type="radio"] {
+  display: inline; }
+label > .label-body {
+  display: inline-block;
+  margin-left: .5rem;
+  font-weight: normal; }
+
+
+/* Lists
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+ul {
+  list-style: circle inside; }
+ol {
+  list-style: decimal inside; }
+ol, ul {
+  padding-left: 0;
+  margin-top: 0; }
+ul ul,
+ul ol,
+ol ol,
+ol ul {
+  margin: 1.5rem 0 1.5rem 3rem;
+  font-size: 90%; }
+li {
+  margin-bottom: 1rem; }
+
+
+/* Code
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+code {
+  padding: .2rem .5rem;
+  margin: 0 .2rem;
+  font-size: 90%;
+  white-space: nowrap;
+  background: #F1F1F1;
+  border: 1px solid #E1E1E1;
+  border-radius: 4px; }
+pre > code {
+  display: block;
+  padding: 1rem 1.5rem;
+  white-space: pre; }
+
+
+/* Tables
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+th,
+td {
+  padding: 12px 15px;
+  text-align: left;
+  border-bottom: 1px solid #E1E1E1; }
+th:first-child,
+td:first-child {
+  padding-left: 0; }
+th:last-child,
+td:last-child {
+  padding-right: 0; }
+
+
+/* Spacing
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+button,
+.button {
+  margin-bottom: 1rem; }
+input,
+textarea,
+select,
+fieldset {
+  margin-bottom: 1.5rem; }
+pre,
+blockquote,
+dl,
+figure,
+table,
+p,
+ul,
+ol,
+form {
+  margin-bottom: 2.5rem; }
+
+
+/* Utilities
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+.u-full-width {
+  width: 100%;
+  box-sizing: border-box; }
+.u-max-full-width {
+  max-width: 100%;
+  box-sizing: border-box; }
+.u-pull-right {
+  float: right; }
+.u-pull-left {
+  float: left; }
+
+
+/* Misc
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+hr {
+  margin-top: 3rem;
+  margin-bottom: 3.5rem;
+  border-width: 0;
+  border-top: 1px solid #E1E1E1; }
+
+
+/* Clearing
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+
+/* Self Clearing Goodness */
+.container:after,
+.row:after,
+.u-cf {
+  content: "";
+  display: table;
+  clear: both; }
+
+
+/* Media Queries
+–––––––––––––––––––––––––––––––––––––––––––––––––– */
+/*
+Note: The best way to structure the use of media queries is to create the queries
+near the relevant code. For example, if you wanted to change the styles for buttons
+on small devices, paste the mobile query code up in the buttons section and style it
+there.
+*/
+
+
+/* Larger than mobile */
+@media (min-width: 400px) {}
+
+/* Larger than phablet (also point when grid becomes active) */
+@media (min-width: 550px) {}
+
+/* Larger than tablet */
+@media (min-width: 750px) {}
+
+/* Larger than desktop */
+@media (min-width: 1000px) {}
+
+/* Larger than Desktop HD */
+@media (min-width: 1200px) {}

platypush/backend/http/static/font-awesome

@@ -0,0 +1 @@
+Subproject commit bdfa9823c8b1e25a5c822f6c719ec0e38ead7f71

platypush/backend/http/static/js/application.js

@@ -0,0 +1,30 @@
+$(document).ready(function() {
+    var websocket;
+    var eventListeners = [];
+
+    var initWebsocket = function() {
+        websocket = new WebSocket('ws://localhost:' + window.websocket_port);
+        websocket.onmessage = function(event) {
+            for (var listener of eventListeners) {
+                data = event.data;
+                if (typeof event.data === 'string') {
+                    data = JSON.parse(data);
+                }
+
+                listener(data);
+            }
+        };
+    };
+
+    var registerEventListener = function(listener) {
+        eventListeners.push(listener);
+    };
+
+    var init = function() {
+        initWebsocket();
+    };
+
+    window.registerEventListener = registerEventListener;
+    init();
+});
+

platypush/backend/http/static/js/music.mpd.js

@@ -0,0 +1,129 @@
+$(document).ready(function() {
+    var execute = function(request, onSuccess, onComplete) {
+        request['target'] = 'localhost';
+        $.ajax({
+            type: 'POST',
+            url: '/execute',
+            contentType: 'application/json',
+            dataType: 'json',
+            data: JSON.stringify(request),
+            complete: function() {
+                if (onComplete) {
+                    onComplete();
+                }
+            },
+            success: function(response, status, xhr) {
+                if (onSuccess) {
+                    onSuccess(response, status, xhr);
+                }
+            },
+            beforeSend: function(xhr) {
+                if (window.token) {
+                    xhr.setRequestHeader('X-Token', window.token);
+                }
+            },
+        });
+    };
+
+    var updateControls = function(status, track) {
+        var $playbackControls = $('.playback-controls');
+        var $curTrack = $('.now-playing');
+
+        if (status) {
+            switch (status.state.toLowerCase()) {
+                case 'stop':
+                    $playbackControls.find('button[data-action=pause]').hide();
+                    $playbackControls.find('button[data-action=play]').show();
+                    $curTrack.find('.artist').hide();
+                    $curTrack.find('.track').hide();
+                    $curTrack.find('.no-track').show();
+                    break;
+                case 'pause':
+                    $playbackControls.find('button[data-action=pause]').hide();
+                    $playbackControls.find('button[data-action=play]').show();
+                    $curTrack.find('.artist').show();
+                    $curTrack.find('.track').show();
+                    $curTrack.find('.no-track').hide();
+                    break;
+                case 'play':
+                    $playbackControls.find('button[data-action=pause]').show();
+                    $playbackControls.find('button[data-action=play]').hide();
+                    $curTrack.find('.artist').show();
+                    $curTrack.find('.track').show();
+                    $curTrack.find('.no-track').hide();
+                    break;
+            }
+        }
+
+        if (track) {
+            $curTrack.find('.artist').text(track.artist);
+            $curTrack.find('.track').text(track.title);
+        }
+    };
+
+    var onEvent = function(event) {
+        if (
+                event.args.type === 'platypush.message.event.music.MusicStopEvent' ||
+                event.args.type === 'platypush.message.event.music.MusicPlayEvent' ||
+                event.args.type === 'platypush.message.event.music.MusicPauseEvent' ||
+                event.args.type === 'platypush.message.event.music.NewPlayingTrackEvent') {
+            updateControls(status=event.args.status, track=event.args.track);
+        }
+
+        console.log(event);
+    };
+
+    var initStatus = function() {
+        execute(
+            {
+                type: 'request',
+                action: 'music.mpd.status',
+            },
+
+            onSuccess = function(response) {
+                updateControls(status=response.response.output);
+            }
+        );
+
+        execute(
+            {
+                type: 'request',
+                action: 'music.mpd.currentsong',
+            },
+
+            onSuccess = function(response) {
+                updateControls(status=undefined, track=response.response.output);
+            }
+        );
+    };
+
+    var initBindings = function() {
+        window.registerEventListener(onEvent);
+        var $playbackControls = $('.playback-controls').find('button');
+
+        $playbackControls.on('click', function(evt) {
+            var action = $(this).data('action');
+            var $btn = $(this);
+            $btn.attr('disabled', true);
+
+            execute(
+                {
+                    type: 'request',
+                    action: 'music.mpd.' + action,
+                },
+
+                onComplete = function() {
+                    $btn.removeAttr('disabled');
+                },
+            );
+        });
+    };
+
+    var init = function() {
+        initStatus();
+        initBindings();
+    };
+
+    init();
+});
+

platypush/backend/http/static/js/skeleton-tabs.js

@@ -0,0 +1,14 @@
+
+$(function() {
+    $('ul.tab-nav li a.button').click(function() {
+        var href = $(this).attr('href');
+
+        $('li a.active.button', $(this).parent().parent()).removeClass('active');
+        $(this).addClass('active');
+
+        $('.tab-pane.active', $(href).parent()).removeClass('active');
+        $(href).addClass('active');
+
+        return false;
+    });
+});

platypush/backend/http/templates/index.html

@@ -0,0 +1,57 @@
+<!doctype html>
+<head>
+    <title>Platypush Web Console</title>
+
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/skeleton.css') }}"></script>
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/skeleton-tabs.css') }}"></script>
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/normalize.css') }}"></script>
+    <link rel="stylesheet" href="{{ url_for('static', filename='font-awesome/css/font-awesome.min.css') }}"></script>
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/application.css') }}"></script>
+
+    <script type="text/javascript" src="{{ url_for('static', filename='js/jquery-3.3.1.min.js') }}"></script>
+    <script type="text/javascript" src="{{ url_for('static', filename='js/skeleton-tabs.js') }}"></script>
+    <script type="text/javascript" src="{{ url_for('static', filename='js/application.js') }}"></script>
+    <script type="text/javascript">
+        window.websocket_port = {% print(websocket_port) %}
+
+        {% if token %}
+            window.token = {% print(token) %}
+        {% else %}
+            window.token = undefined
+        {% endif %}
+    </script>
+</head>
+
+<body>
+    <header>
+        <div class="logo">
+            <span class="logo-1">Platypush</span>
+            <span class="logo-2">Web Panel</span>
+        </div>
+    </header>
+
+    <main>
+        <ul class="tab-nav">
+            {% set first_plugin = True %}
+            {% for plugin in plugins.keys() %}
+                <li>
+                    <a class="button {% print('active' if first_plugin else '') %}" href="#{% print plugin %}">
+                        {% print plugin %}
+                    </a>
+                </li>
+                {% set first_plugin = False %}
+            {% endfor %}
+        </ul>
+
+        <div class="tab-content">
+            {% set first_plugin = True %}
+            {% for plugin, configuration in plugins.items() %}
+                <div class="tab-pane {% print('active' if first_plugin else '') %}" id="{% print plugin %}">
+                    {% include 'plugins/' + plugin + '.html' %}
+                </div>
+                {% set first_plugin = False %}
+            {% endfor %}
+        </div>
+    </main>
+<body>
+

platypush/backend/http/templates/plugins/music.mpd.html

@@ -0,0 +1,32 @@
+<script type="text/javascript" src="{{ url_for('static', filename='js/music.mpd.js') }}"></script>
+
+<div class="row">
+    <div class="six columns now-playing">
+        <span class="no-track">No media is being played</span>
+        <span class="artist"></span>
+        <span class="track"></span>
+    </div>
+
+    <div class="six columns playback-controls">
+        <button data-action="previous">
+            <i class="fa fa-step-backward"></i>
+        </button>
+
+        <button data-action="play">
+            <i class="fa fa-play"></i>
+        </button>
+
+        <button data-action="pause">
+            <i class="fa fa-pause"></i>
+        </button>
+
+        <button data-action="stop">
+            <i class="fa fa-stop"></i>
+        </button>
+
+        <button data-action="next">
+            <i class="fa fa-step-forward"></i>
+        </button>
+    </div>
+</div>
+

platypush/event/processor/__init__.py

@@ -4,6 +4,7 @@ import sys
 from ..hook import EventHook
 
 from platypush.config import Config
+from platypush.context import get_backend
 
 
 class EventProcessor(object):
@@ -24,9 +25,18 @@ class EventProcessor(object):
             self.hooks.append(h)
 
 
+    def notify_web_clients(self, event):
+        backends = Config.get_backends()
+        if 'http' not in backends: return
+
+        backend = get_backend('http')
+        backend.notify_web_clients(event)
+
+
     def process_event(self, event):
         """ Processes an event and runs the matched hooks with the highest score """
 
+        self.notify_web_clients(event)
         matched_hooks = set(); priority_hooks = set()
         max_score = -sys.maxsize; max_prio = 0
 

requirements.txt

@@ -10,6 +10,7 @@ websocket-client
 
 # HTTP backend support
 flask
+websockets
 
 # HTTP poll backend support
 frozendict

setup.py

@@ -63,7 +63,7 @@ setup(
     extras_require = {
         'Support for Apache Kafka backend': ['kafka-python'],
         'Support for Pushbullet backend': ['requests', 'websocket-client'],
-        'Support for HTTP backend': ['flask'],
+        'Support for HTTP backend': ['flask','websockets'],
         'Support for HTTP poll backend': ['frozendict'],
         'Support for database plugin': ['sqlalchemy'],
         'Support for RSS feeds': ['feedparser'],