[polari] Add small wrapper for fd.o notifications

[Florian Müllner <fmuellner src gnome org>]

commit 9febede33dbe57dba311a1d09d2c7c4fc7a82a07
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Jul 30 17:52:57 2013 +0200

    Add small wrapper for fd.o notifications

 src/Makefile.am |    1 +
 src/notify.js   |   86 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 87 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 6c3adf4..8936486 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -37,6 +37,7 @@ dist_js_DATA = \
        joinDialog.js \
        main.js \
        mainWindow.js \
+       notify.js \
        pasteManager.js \
        roomList.js \
        userList.js \
diff --git a/src/notify.js b/src/notify.js
new file mode 100644
index 0000000..d034587
--- /dev/null
+++ b/src/notify.js
@@ -0,0 +1,86 @@
+const Gio = imports.gi.Gio;
+
+const Lang = imports.lang;
+const Signals = imports.signals;
+
+const NotificationDaemonIface =
+  <interface name="org.freedesktop.Notifications">
+    <method name="Notify">
+      <arg type="s" direction="in"/>
+      <arg type="u" direction="in"/>
+      <arg type="s" direction="in"/>
+      <arg type="s" direction="in"/>
+      <arg type="s" direction="in"/>
+      <arg type="as" direction="in"/>
+      <arg type="a{sv}" direction="in"/>
+      <arg type="i" direction="in"/>
+      <arg type="u" direction="out"/>
+    </method>
+    <signal name="NotificationClosed">
+      <arg type="u"/>
+      <arg type="u"/>
+    </signal>
+    <signal name="ActionInvoked">
+      <arg type="u"/>
+      <arg type="s"/>
+    </signal>
+  </interface>;
+
+const NotificationDaemon = Gio.DBusProxy.makeProxyWrapper(NotificationDaemonIface);
+
+let _proxy = null;
+
+const Notification = new Lang.Class({
+    Name: 'Notification',
+
+    _init: function(summary, body) {
+        this._summary = summary;
+        this._body = body;
+        this._icon = 'polari';
+        this._id = 0;
+
+        this._actions = [];
+        this._hints = {};
+
+        if (_proxy == null)
+            _proxy = new NotificationDaemon(Gio.DBus.session,
+                                            'org.freedesktop.Notifications',
+                                            '/org/freedesktop/Notifications');
+        this._closedId = _proxy.connectSignal('NotificationClosed',
+                                              Lang.bind(this, this._onClosed));
+        this._actionInvokedId = _proxy.connectSignal('ActionInoked',
+                                                     Lang.bind(this, this._onActionInvoked));
+    },
+
+    show: function() {
+        _proxy.NotifyRemote('polari', this._id, this._icon, this._summary,
+                            this._body, this._actions, this._hints, -1,
+            Lang.bind(this, function(result, error) {
+                this._id = result[0];
+            }));
+    },
+
+    addAction: function(action, label) {
+        this._actions.push(action, label);
+    },
+
+    setHint: function(key, value) {
+        this._hints[key] = value;
+    },
+
+    _onClosed: function(proxy, sender, [id, reason]) {
+        if (this._id != id)
+            return;
+        this.emit('closed');
+
+        proxy.disconnectSignal(this._closedId);
+        proxy.disconnectSignal(this._actionInvokedId);
+    },
+
+    _onActionInvoked: function(proxy, sender, [id, action]) {
+        if (this._id != id)
+            return;
+        this.emit('action-invoked', action);
+    }
+});
+Signals.addSignalMethods(Notification.prototype);