Preliminary upload

add original files

background.js

@@ -0,0 +1,46 @@
+(function(window, chrome) {
+    //Background Scope
+    var background = {};
+    window.background = background;
+
+    //Create window and add listeners
+    chrome.app.runtime.onLaunched.addListener(function() {
+        chrome.app.window.create('index.html', {
+            'state': 'fullscreen',
+
+            'bounds': {
+                'width': 1366,
+                'height': 768
+            }
+        }, function(window) {
+            window.onClosed.addListener(function() {
+                background.setKeyboard(false);
+                chrome.power.releaseKeepAwake();
+            });
+            background.setKeyboard(true);
+            chrome.power.requestKeepAwake('display');
+        });
+    });
+
+    /**
+     * Enables or disables the on-screen keyboard.
+     * <p>
+     * If enable is true, the virtual keyboard of the ChromeOS 
+     * accessibility features will be enabled. If false, this function will 
+     * return the setting to its original value.
+     * @param {boolean} enable true to enable, or false to reset
+     * @returns {undefined}
+     */
+    background.setKeyboard = function(enable) {
+        if (chrome.accessibilityFeatures) {
+            if (enable) {
+                chrome.accessibilityFeatures.virtualKeyboard.set({ 
+                    value: enable 
+                });
+            }
+            else {
+                chrome.accessibilityFeatures.virtualKeyboard.clear({});
+            }
+        }
+    };
+})(window, chrome);