FF: Simulate default action for clicking links with link hints

Author: mrmr1993

background_scripts/main.coffee

@@ -106,6 +106,7 @@ TabOperations =
       index: request.tab.index + 1
       active: true
       windowId: request.tab.windowId
+    tabConfig.active = request.active if request.active?
     # Firefox does not support "about:newtab" in chrome.tabs.create.
     delete tabConfig["url"] if tabConfig["url"] == Settings.defaults.newTabUrl
     chrome.tabs.create tabConfig, (tab) ->

content_scripts/link_hints.coffee

@@ -11,6 +11,7 @@
 # The "name" property below is a short-form name to appear in the link-hints mode's name.  It's for debug only.
 #
 isMac = KeyboardUtils.platform == "Mac"
+simulateClickDefaultAction = true
 OPEN_IN_CURRENT_TAB =
   name: "curr-tab"
   indicator: "Open link in current tab"
@@ -384,7 +385,16 @@ class LinkHintsMode
             window.focus()
             DomUtils.simulateSelect clickEl
           else
-            clickActivator = (modifiers) -> (link) -> DomUtils.simulateClick link, modifiers
+            clickActivator = (modifiers) -> (link) ->
+              defaultActionsTriggered = DomUtils.simulateClick link, modifiers
+              if simulateClickDefaultAction and
+                  defaultActionsTriggered[3] and link.tagName?.toLowerCase() == "a" and
+                  modifiers? and modifiers.metaKey == isMac and modifiers.ctrlKey == not isMac
+              # We've clicked a link that *should* open in a new tab. If simulateClickDefaultAction is true,
+              # we assume the popup-blocker is active, and simulate opening the new tab ourselves.
+                chrome.runtime.sendMessage {handler: "openUrlInNewTab", url: link.href, active:
+                  modifiers.shiftKey == true}
+
             linkActivator = @mode.linkActivator ? clickActivator @mode.clickModifiers
             # TODO: Are there any other input elements which should not receive focus?
             if clickEl.nodeName.toLowerCase() in ["input", "select"] and clickEl.type not in ["button", "submit"]