BgUtils; two fixes...

- handle case where there's only one tab
- also focus the selected tab's window

2 files changed, 7 insertions, 7 deletions

diff --git a/background_scripts/bg_utils.coffee b/background_scripts/bg_utils.coffee
index bd00fd24..96c1282a 100644
--- a/background_scripts/bg_utils.coffee
+++ b/background_scripts/bg_utils.coffee
@@ -39,12 +39,11 @@ class TabRecency
     @cache[tabId] ||= 1
     if tabId == @current then 0.0 else @cache[tabId] / @timestamp
 
-  # Get the tab Id of the count-th most recently visited tab (excluding tabId, which is the current tab).
-  getRecentTab: (tabId, count) ->
-    tabId = tabId.toString()
-    tabIds = (tId for own tId of @cache when tId != tabId)
+  # Returns a list of tab Ids sorted by recency, most recent tab first.
+  getTabsByRecency: ->
+    tabIds = (tId for own tId of @cache)
     tabIds.sort (a,b) => @cache[b] - @cache[a]
-    parseInt tabIds[(count-1)%tabIds.length]
+    tabIds.map (tId) -> parseInt tId
 
 BgUtils =
   tabRecency: new TabRecency()
diff --git a/background_scripts/main.coffee b/background_scripts/main.coffee
index 972f1529..a1311a46 100644
--- a/background_scripts/main.coffee
+++ b/background_scripts/main.coffee
@@ -337,8 +337,9 @@ BackgroundCommands =
 
   visitPreviousTab: (count) ->
     chrome.tabs.getSelected null, (tab) ->
-      newTabId = BgUtils.tabRecency.getRecentTab tab.id, count
-      chrome.tabs.update newTabId, selected: true
+      tabIds = BgUtils.tabRecency.getTabsByRecency().filter (tabId) -> tabId != tab.id
+      if 0 < tabIds.length
+        selectSpecificTab id: tabIds[(count-1) % tabIds.length]
 
 # Remove tabs before, after, or either side of the currently active tab
 removeTabsRelative = (direction) ->