initial import based upon version 0.2 from 20130318

extension.js

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+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+/* Olaf Leidinger <oleid@mescharet.de>  20130318  */
+
+const Gdk = imports.gi.Gdk;
+const Gio = imports.gi.Gio;
+const GLib = imports.gi.GLib;
+const GnomeDesktop = imports.gi.GnomeDesktop;
+const Lang = imports.lang;
+const Mainloop = imports.mainloop; // timer
+const Shell = imports.gi.Shell;
+const St = imports.gi.St;
+const Clutter = imports.gi.Clutter;
+
+const Main        = imports.ui.main;
+const MessageTray = imports.ui.messageTray;
+const PanelMenu   = imports.ui.panelMenu;
+const PopupMenu   = imports.ui.popupMenu;
+const Panel       = imports.ui.panel;
+
+const Gettext = imports.gettext.domain('gnome-shell-extensions');
+const _ = Gettext.gettext;
+const N_ = function(e) { return e; };
+
+const ExtensionUtils = imports.misc.extensionUtils;
+const Me = ExtensionUtils.getCurrentExtension();
+
+// TODO: make this configurable via gsettings
+const defaultTeaList = [
+            {name : "Green tea", time : 180 }, 
+            {name : "Black tea", time : 210 }, 
+            {name : "Fruit tea", time : 7 * 60}, 
+            {name : "White tea", time : 120} 
+            ];
+
+const TeaTime = new Lang.Class({
+    Name : 'TeaTime',
+    Extends : PanelMenu.Button,
+
+    _init : function() {
+        this.parent(0.0, "TeaTime");
+
+        this._logo = new St.Icon({
+            icon_name : 'utilities-teatime',
+            style_class : 'system-status-icon'
+        });
+
+        // set timer widget
+
+        this._timer = new St.DrawingArea({
+            reactive : true
+        });
+        this._timer.set_width(20);
+        this._timer.set_height(20);
+        this._timer.connect('repaint', Lang.bind(this, this._drawTimer));
+
+        this.actor.add_actor(this._logo);
+
+        this._dt = 4;
+        this._idleTimeout = null;
+
+        this._createMenu();
+    },
+
+    _createMenu : function() {
+        this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
+        this._addTeaList();
+    },
+    _formatTime : function(seconds) {
+        let a = new Date(0,0,0); // important: hour needs to be set to zero in _locale_ time
+
+        a.setTime(a.getTime()+ seconds * 1000); // set time in msec, adding the time we want
+
+        if (seconds > 3600) 
+            return a.toLocaleFormat("%H:%M:%S");
+        else 
+            return a.toLocaleFormat("%M:%S");
+    },
+    _addTeaList : function(config, output) {
+        let  item = new PopupMenu.PopupMenuItem(_("brewing times"));
+        item.label.add_style_class_name('display-subtitle');
+        item.actor.reactive = false;
+        item.actor.can_focus = false;
+        this.menu.addMenuItem(item);
+        this._callbacks = [];
+
+        defaultTeaList.sort(function(a, b) {
+            return -1 * (a.time < b.time) + (a.time > b.time);
+        });
+        
+        for ( var i = 0; i < defaultTeaList.length; i++) {
+            let tea  = defaultTeaList[i];
+            let item = new PopupMenu.PopupMenuItem(this._formatTime(tea.time) + " - " + tea.name);
+
+            this._callbacks.push( function() {this._initCountdown(tea.time); });
+            item.connect('activate', Lang.bind(this, this._callbacks[i]));
+            this.menu.addMenuItem(item);
+        }
+    },
+    _showNotification : function(subject, text) {
+        let source = new MessageTray.Source("TeaTime applet", 'utilities-teatime');
+        Main.messageTray.add(source);
+        
+        let notification = new MessageTray.Notification(source, subject, text);
+        notification.setTransient(true);
+        source.notify(notification);
+    },
+    _initCountdown : function(time) {
+        this._startTime     = new Date();
+        this._stopTime      = new Date();
+        this._cntdownStart  = time;
+        this._progress      = 0;
+        this._stopTime.setTime(this._startTime.getTime() + time*1000); // in msec 
+
+        this.actor.remove_actor(this._logo);         // show timer instead of default icon
+        this.actor.add_actor(this._timer);
+
+        this._showNotification("Timer set!", time + "s to go");
+        this._idleTimeout = Mainloop.timeout_add_seconds(this._dt, Lang.bind(this, this._doCountdown));
+    },
+    _getRemainingSec: function() {
+        let a = new Date();
+        return (this._stopTime.getTime() - a.getTime()) * 1e-3;
+    },
+    _doCountdown : function() {
+        let remainingTime = this._getRemainingSec(); 
+        this._progress    = (this._cntdownStart - remainingTime) / this._cntdownStart;
+
+        if (remainingTime <= 0) {
+            // count down finished, switch display again
+            this.actor.remove_actor(this._timer);
+            this.actor.add_actor(this._logo);
+            this._showNotification("Your tea is ready!",
+                    "Drink it, while it is hot!");
+            this._idleTimeout = null;
+            return false;
+        } else {
+            this._timer.queue_repaint();
+            return true; // continue timer
+        }
+    },
+    _drawTimer : function() {
+        let[width, height] = this._timer.get_surface_size();
+        let cr = this._timer.get_context();
+        let pi = Math.PI;
+        let  r = Math.min(width, height) * 0.5;;
+
+        // TODO: get colors from current theme!
+        cr.setSourceRGB(0, 0, 0);
+        cr.rectangle(0, 0, width, height);
+        cr.fill();
+
+        cr.translate(Math.floor(width / 2), Math.floor(height / 2));
+        cr.save();
+
+        cr.setSourceRGB(0.2, 0.2, 0.2);
+        cr.moveTo(0, 0);
+        cr.arc(0, 0, r, 3 / 2 * pi + 2 * pi * this._progress, 3 / 2 * pi + 2
+                * pi);
+        cr.fill();
+
+        cr.setSourceRGB(0.8, 0.8, 0.8);
+        cr.moveTo(0, 0);
+        cr.arc(0, 0, r, 3 / 2 * pi, 3 / 2 * pi + 2 * pi * this._progress);
+        cr.fill();
+    }
+});
+
+function init(metadata) {
+    // TODO: at some point, add translations
+    ;
+}
+
+let _TeaTime;
+
+function enable() {
+    _TeaTime = new TeaTime();
+    Main.panel.addToStatusArea('teatime', _TeaTime);
+}
+
+function disable() {
+    if (_TeaTime._idleTimeout != null) Mainloop.source_remove(_TeaTime._idleTimeout);
+    _TeaTime.destroy();
+};

install.sh

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+NAME="TeaTime@oleid.mescharet.de"
+INST_DIR="$HOME/.local/share/gnome-shell-extensions/$NAME"
+
+echo "Installing icon"
+sudo cp utilities-teatime.svg /usr/share/icons/hicolor/scalable/apps/
+sudo gtk-update-icon-cache /usr/share/icons/hicolor/
+
+echo "Installing extension"
+mkdir -p "$INST_DIR"
+
+cp *.js *.json  "$INST_DIR"

metadata.json

@@ -0,0 +1 @@
+{"shell-version": ["3.6"], "uuid": "TeaTime@oleid.mescharet.de", "name": "TeaTime", "description": "A tea brewing timer"}

utilities-teatime.svg

@@ -0,0 +1,68 @@
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+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
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+   xmlns:svg="http://www.w3.org/2000/svg"
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+  <metadata
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