From 7501447cace6832ee8b8423689ac989cc914bcdc Mon Sep 17 00:00:00 2001
From: Manuel Reimer <manuel.reimer@gmx.de>
Date: Thu, 8 Oct 2015 19:15:00 +0200
Subject: [PATCH] Added basic Thunderbird support

---
 platform/firefox/install.rdf        |  9 +++++++++
 platform/firefox/vapi-background.js | 26 ++++++++++++++++++++++----
 2 files changed, 31 insertions(+), 4 deletions(-)

diff --git a/platform/firefox/install.rdf b/platform/firefox/install.rdf
index c0332ff3e..07b107fdf 100644
--- a/platform/firefox/install.rdf
+++ b/platform/firefox/install.rdf
@@ -59,5 +59,14 @@
                 <maxVersion>9.9</maxVersion>
             </r:Description>
         </targetApplication>
+
+        <!-- Thunderbird -->
+        <targetApplication>
+            <r:Description>
+                <id>{{3550f703-e582-4d05-9a08-453d09bdfdc6}}</id>
+                <minVersion>38.3</minVersion>
+                <maxVersion>45.0</maxVersion>
+            </r:Description>
+        </targetApplication>
     </r:Description>
 </r:RDF>
diff --git a/platform/firefox/vapi-background.js b/platform/firefox/vapi-background.js
index 8bc110b15..d8a528d11 100644
--- a/platform/firefox/vapi-background.js
+++ b/platform/firefox/vapi-background.js
@@ -40,6 +40,7 @@ const {Services} = Cu.import('resource://gre/modules/Services.jsm', null);
 var vAPI = self.vAPI = self.vAPI || {};
 vAPI.firefox = true;
 vAPI.fennec = Services.appinfo.ID === '{aa3c5121-dab2-40e2-81ca-7ea25febc110}';
+vAPI.thunderbird = Services.appinfo.ID === '{3550f703-e582-4d05-9a08-453d09bdfdc6}';
 
 /******************************************************************************/
 
@@ -524,7 +525,10 @@ vAPI.storage = (function() {
 /******************************************************************************/
 
 var getTabBrowser = function(win) {
-    return vAPI.fennec && win.BrowserApp || win.gBrowser || null;
+    return vAPI.fennec && win.BrowserApp ||
+           vAPI.thunderbird && win.document.getElementById('tabmail') ||
+           win.gBrowser ||
+           null;
 };
 
 /******************************************************************************/
@@ -729,7 +733,7 @@ vAPI.tabs.open = function(details) {
         }
     }
 
-    var win = Services.wm.getMostRecentWindow('navigator:browser');
+    var win = Services.wm.getMostRecentWindow(vAPI.thunderbird && 'mail:3pane' || 'navigator:browser');
     var tabBrowser = getTabBrowser(win);
 
     if ( vAPI.fennec ) {
@@ -750,6 +754,12 @@ vAPI.tabs.open = function(details) {
         return;
     }
 
+    if ( vAPI.thunderbird ) {
+        tabBrowser.openTab('contentTab', { contentPage: details.url, background: !details.active });
+        // TODO: Should be possible to move tabs on Thunderbird
+        return;
+    }
+
     if ( details.index === -1 ) {
         details.index = tabBrowser.browsers.indexOf(tabBrowser.selectedBrowser) + 1;
     }
@@ -876,6 +886,9 @@ var tabWatcher = (function() {
     var tabIdGenerator = 1;
 
     var indexFromBrowser = function(browser) {
+        if (vAPI.thunderbird) // TODO: Add support for this
+            return -1;
+
         var win = getOwnerWindow(browser);
         if ( !win ) {
             return -1;
@@ -966,13 +979,18 @@ var tabWatcher = (function() {
     };
 
     var currentBrowser = function() {
-        var win = Services.wm.getMostRecentWindow('navigator:browser');
+        var win = Services.wm.getMostRecentWindow(vAPI.thunderbird && 'mail:3pane' || 'navigator:browser');
         // https://github.com/gorhill/uBlock/issues/399
         // getTabBrowser() can return null at browser launch time.
         var tabBrowser = getTabBrowser(win);
         if ( tabBrowser === null ) {
             return null;
         }
+        if (vAPI.thunderbird) {
+            // Directly at startup the first tab may not be initialized
+            if (tabBrowser.tabInfo.length == 0) return null;
+            return tabBrowser.getBrowserForSelectedTab();
+        }
         return browserFromTarget(tabBrowser.selectedTab);
     };
 
@@ -1186,7 +1204,7 @@ vAPI.setIcon = function(tabId, iconStatus, badge) {
     // If badge is undefined, then setIcon was called from the TabSelect event
     var win = badge === undefined
         ? iconStatus
-        : Services.wm.getMostRecentWindow('navigator:browser');
+        : vAPI.thunderbird && Services.wm.getMostRecentWindow('mail:3pane') || Services.wm.getMostRecentWindow('navigator:browser');
     var curTabId = tabWatcher.tabIdFromTarget(getTabBrowser(win).selectedTab);
     var tb = vAPI.toolbarButton;