From a036d2dac281b2528c2087b08839e118e3f449ae Mon Sep 17 00:00:00 2001
From: Phil Crosby
Date: Wed, 9 Feb 2011 23:06:41 -0800
Subject: Preserve the "show advanced commands" setting after you close the
 vimium help dialog.

---
 background_page.html |  9 ++++++++-
 helpDialog.html      | 21 ++++++++++++++++-----
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/background_page.html b/background_page.html
index 77150244..ee12a77d 100644
--- a/background_page.html
+++ b/background_page.html
@@ -79,7 +79,8 @@
     upgradeNotificationClosed: upgradeNotificationClosed,
     updateScrollPosition: handleUpdateScrollPosition,
     copyToClipboard: copyToClipboard,
-    isEnabledForUrl: isEnabledForUrl
+    isEnabledForUrl: isEnabledForUrl,
+    saveHelpDialogSettings: saveHelpDialogSettings
   };
 
   // Event handlers
@@ -151,6 +152,10 @@
     return { isEnabledForUrl: isEnabled };
   }
 
+  function saveHelpDialogSettings(request) {
+    localStorage["helpDialog_showAdvancedCommands"] = request.showAdvancedCommands;
+  }
+
   /*
    * Returns the previously saved zoom level for the current tab, or the default zoom level
    */
@@ -186,6 +191,8 @@
                                         showUnboundCommands, showCommandNames));
     dialogHtml = dialogHtml.replace("{{version}}", currentVersion);
     dialogHtml = dialogHtml.replace("{{title}}", customTitle || "Help");
+    dialogHtml = dialogHtml.replace("{{showAdvancedCommands}}",
+        localStorage["helpDialog_showAdvancedCommands"] == "true");
     return dialogHtml;
   }
 
diff --git a/helpDialog.html b/helpDialog.html
index c21c8b7b..ae78d149 100644
--- a/helpDialog.html
+++ b/helpDialog.html
@@ -132,10 +132,14 @@
 
   <script>
     VimiumHelpDialog = {
+      // This setting is pulled out of local storage. It's false by default.
+      advancedCommandsVisible: {{showAdvancedCommands}},
+
       init: function() {
         this.dialogElement = document.getElementById("vimiumHelpDialog");
         this.dialogElement.getElementsByClassName("toggleAdvancedCommands")[0].addEventListener("click", 
           VimiumHelpDialog.toggleAdvancedCommands, false);
+        this.showAdvancedCommands(this.advancedCommandsVisible);
       },
 
       /*
@@ -143,13 +147,20 @@
        */
       toggleAdvancedCommands: function(event) {
         event.preventDefault();
-        var advanced = VimiumHelpDialog.dialogElement.getElementsByClassName("advanced");
-        var shouldShow = (advanced[0].style.display == "" || advanced[0].style.display == "none");
+        VimiumHelpDialog.advancedCommandsVisible = !VimiumHelpDialog.advancedCommandsVisible;
+        chrome.extension.sendRequest({ handler: "saveHelpDialogSettings",
+            showAdvancedCommands: VimiumHelpDialog.advancedCommandsVisible });
+        VimiumHelpDialog.showAdvancedCommands(VimiumHelpDialog.advancedCommandsVisible);
+      },
+
+      showAdvancedCommands: function(visible) {
         VimiumHelpDialog.dialogElement.getElementsByClassName("toggleAdvancedCommands")[0].innerHTML =
-            shouldShow ? "Hide advanced commands" : "Show advanced commands";
+            visible ? "Hide advanced commands" : "Show advanced commands";
+        var advanced = VimiumHelpDialog.dialogElement.getElementsByClassName("advanced");
         for (var i = 0; i < advanced.length; i++)
-          advanced[i].style.display = (shouldShow ? "table-row" : "none");
-      }
+          advanced[i].style.display = (visible ? "table-row" : "none");
+      },
+
     };
 
     VimiumHelpDialog.init();
-- 
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