From d367e58a555606b7ad232fa880484cad8a2f7844 Mon Sep 17 00:00:00 2001
From: Phil Crosby
Date: Wed, 11 Nov 2009 00:21:17 -0800
Subject: Implement zoom in and zoom out.

The hotkey for zoom currently doesn't work, because it's beeing eaten by insert mode.
---
 background_page.html | 3 +++
 vimiumFrontend.js    | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/background_page.html b/background_page.html
index 7ba89c41..a85d8a4f 100644
--- a/background_page.html
+++ b/background_page.html
@@ -129,6 +129,9 @@
   keyToCommandRegistry['fo'] = 'goForward';
   keyToCommandRegistry['L']  = 'goForward';
 
+  keyToCommandRegistry['zi'] = 'zoomIn';
+  keyToCommandRegistry['zo']  = 'zoomOut';
+
   keyToCommandRegistry['J']  = nextTab;
   keyToCommandRegistry['K']  = previousTab;
 
diff --git a/vimiumFrontend.js b/vimiumFrontend.js
index 2166e5c7..d6223b32 100644
--- a/vimiumFrontend.js
+++ b/vimiumFrontend.js
@@ -17,6 +17,15 @@ function reload() { window.location.reload(); }
 function goBack() { history.back(); }
 function goForward() { history.forward(); }
 
+// TODO(philc): This should be pulled from the extension's storage when the page loads.
+var currentZoomLevel = 100;
+
+/*
+ * Zoom in increments of 20%; this matches chrome's CMD+ and CMD- keystrokes.
+ */
+function zoomIn() { document.body.style.zoom = (currentZoomLevel += 20) + "%"; }
+function zoomOut() { document.body.style.zoom = (currentZoomLevel -= 20) + "%"; }
+
 function initializeFrontend() {
   document.addEventListener("keydown", onKeydown);
   document.addEventListener("focus", onFocusCapturePhase, true);
-- 
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