2 files changed, 77 insertions, 2 deletions

diff --git a/background_page.html b/background_page.html
index 7ea906fa..bddfbb17 100644
--- a/background_page.html
+++ b/background_page.html
@@ -4,6 +4,8 @@
   chrome.extension.onConnect.addListener(function(port, name) {
     if (port.name == "nativeCommand")
       port.onMessage.addListener(handleNativeCommand);
+    else if (port.name == "keyDown")
+      port.onMessage.addListener(handleKeyDown);
   });
   
   function handleNativeCommand(args) {
@@ -21,6 +23,42 @@
       break;
     }
   }
+
+  var keyToCommandRegistry = {};
+  keyToCommandRegistry['gg'] = {command: 'scrollToTop',    executeInPage: true};
+  keyToCommandRegistry['G']  = {command: 'scrollToBottom', executeInPage: true};
+
+  var commandRegistry = {}; 
+  var keyQueue = "";
+
+  function handleKeyDown(key) {
+    keyQueue = keyQueue + key;
+    console.log("current keyQueue: [", keyQueue, "]");
+    checkKeyQueue();
+  }
+
+  function checkKeyQueue() {
+    if (keyToCommandRegistry[keyQueue])
+    {
+      registryEntry = keyToCommandRegistry[keyQueue];
+      console.log("command found for [", keyQueue, "],", registryEntry.command);
+
+      if (registryEntry.executeInPage)
+      {
+        chrome.tabs.getSelected(null, function (tab) {
+          var port = chrome.tabs.connect(tab.id, {name: "executePageCommand"});
+          port.postMessage({command: registryEntry.command});
+        });
+      }
+      else
+      {
+      }
+      
+      keyQueue = "";
+    }
+    else if (keyQueue.length > 1)
+      keyQueue = "";
+  }
 </script>
 
 </head>
@@ -29,4 +67,4 @@
   howdy
 </body>
 
-</html>
\ No newline at end of file
+</html>
diff --git a/vimiumFrontend.js b/vimiumFrontend.js
index ea17b97c..1ef865ff 100644
--- a/vimiumFrontend.js
+++ b/vimiumFrontend.js
@@ -6,6 +6,33 @@ document.addEventListener("blur", onBlurCapturePhase, true);
 // we want executed.
 var commandPort = chrome.extension.connect({name: "nativeCommand"});
 
+// Send the key to the key handler in the background page.
+var keyPort = chrome.extension.connect({name: "keyDown"});
+
+function scrollToBottom() {
+  console.log("scrollToBottom()");
+  window.scrollTo(0, document.body.scrollHeight);
+}
+
+function scrollToTop() {
+  console.log("scrollToTop()");
+  window.scrollTo(0, 0);
+}
+
+var commandRegistry = {
+  'scrollToBottom': scrollToBottom,
+  'scrollToTop':    scrollToTop
+};
+
+chrome.extension.onConnect.addListener(function (port, name) {
+  if (port.name == "executePageCommand")
+  {
+    port.onMessage.addListener(function (args) {
+      commandRegistry[args.command].call();
+    });
+  }
+});
+
 var keymap = {
   ESC: 27,
   a: 65,
@@ -20,7 +47,7 @@ var insertMode = false;
  * Executes commands based on the keystroke.
  * Note that some keys will only register keydown events and not keystroke events, e.g. ESC.
  */
-function onKeydown(event) { 
+function onKeydown(event) {
   var key = event.keyCode;
   console.log(key);
 
@@ -30,6 +57,16 @@ function onKeydown(event) {
     return;
   }
 
+  // Ignore modifier keys by themselves.
+  if (key > 31 && key < 127)
+  {
+    var keyChar = String.fromCharCode(key);
+    if (event.shiftKey)
+      keyPort.postMessage(keyChar.toUpperCase());
+    else
+      keyPort.postMessage(keyChar.toLowerCase());
+  }
+
   var request;
   if (key == keymap.d)
     request = { command: "tabs.remove" };