diff options
-rw-r--r-- | platform/firefox/vapi-background.js | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/platform/firefox/vapi-background.js b/platform/firefox/vapi-background.js index 7038afb..ccbbcd8 100644 --- a/platform/firefox/vapi-background.js +++ b/platform/firefox/vapi-background.js @@ -1188,14 +1188,19 @@ var tabWatcher = (function() { // Initialize map with existing active tabs var start = function() { - var tabBrowser, tab; + var tabBrowser, tabs, tab; for ( var win of vAPI.tabs.getWindows() ) { onWindowLoad.call(win); tabBrowser = getTabBrowser(win); if ( tabBrowser === null ) { continue; } - for ( tab of tabBrowser.tabs ) { + // `tabBrowser.tabs` may not exist (Thunderbird). + tabs = tabBrowser.tabs; + if ( !tabs ) { + continue; + } + for ( tab of tabs ) { if ( vAPI.fennec || !tab.hasAttribute('pending') ) { tabIdFromTarget(tab); } @@ -2879,6 +2884,12 @@ vAPI.contextMenu.register = function(doc) { } var contextMenu = doc.getElementById('contentAreaContextMenu'); + + // This can happen (Thunderbird). + if ( contextMenu === null ) { + return; + } + var menuitem = doc.createElement('menuitem'); menuitem.setAttribute('id', this.menuItemId); menuitem.setAttribute('label', this.menuLabel); |