Support for Google Mail

The button will appear next to the labels and tries to match project on the last label. toggl#131

README.md

@@ -30,6 +30,7 @@ Add Toggl one-click time tracking to popular web tools.
   - [Wunderlist][26]
   - [Toodledo][27]
   - [Teamwork.com][28]
+  - [Google Mail][29]
 
 ## Installing from the Web Store
 
@@ -47,7 +48,8 @@ https://chrome.google.com/webstore/detail/toggl-button/oejgccbfbmkkpaidnkphaiaec
 2.  Go to your [TeamWeek][2], [Pivotal Tracker][3], [Github][4], [Asana][5], [Unfuddle][6], [Gitlab][7],
 [Trello][8], [Worksection][9], [Redbooth][10], [Podio][11], [Basecamp][12], [JIRA][13], [Producteev][14],
 [Bitbucket][15], [Stifer][16], [Google Docs][17], [Redmine][18], [YouTrack][19], [CapsuleCRM][20],
-[Xero][21], [Zendesk][22], [Any.do][23], [Todoist][24], [Trac][25], [Wunderlist][26], [Toodledo][27], [Teamwork.com][28] account and start your Toggl timer there.
+[Xero][21], [Zendesk][22], [Any.do][23], [Todoist][24], [Trac][25], [Wunderlist][26], [Toodledo][27],
+[Teamwork.com][28], [Google Mail][29] account and start your Toggl timer there.
 3.  To stop the current running timer:
   - press the button again
   - start another time entry inside your account.
@@ -89,6 +91,7 @@ Don't know how to start? Just check out the [user requested services][97] that h
 [26]: https://www.wunderlist.com
 [27]: https://www.toodledo.com/
 [28]: https://www.teamwork.com/
+[29]: https://mail.google.com
 [97]: https://github.com/toggl/toggl-button/wiki/User-requested-buttons
 [98]: https://github.com/toggl/toggl-button/wiki/Adding-custom-domains
 [99]: https://github.com/toggl/toggl-button/pulls

src/scripts/content/google-mail.js

@@ -0,0 +1,17 @@
+/*jslint indent: 2 */
+/*global $: false, document: false, togglbutton: false*/
+'use strict';
+
+togglbutton.render('.ha:not(.toggl)', {observe: true}, function (elem) {
+  var link,
+    description = $('h2', elem).textContent,
+    project = $('.hX:last-of-type .hN', elem).textContent.split('/').pop();
+
+  link = togglbutton.createTimerLink({
+    className: 'google-mail',
+    description: description,
+    projectName: project
+  });
+
+  elem.appendChild(link);
+});