ash/keyboard/ui/resources/inputview_adapter.js - chromium/src.git - Git at Google

 // Copyright 2014 The Chromium Authors
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 var CLOSURE_NO_DEPS=true;

 var controller;

 /**
  * Armed callback to be triggered when a keyset changes.
  * @type {{string:target function:callback}}
  * @private
  */
 var keysetChangeListener_;

 /**
  * Registers a function, which may override a preexisting implementation.
  * @param {string} path Full path for the function name.
  * @param {function=} opt_fn Optional function definition. If not specified,
  *     the default implementation prettyprints the method call with arguments.
  * @return {function} Registered function, which may be a mock implementation.
  */
 function registerFunction(path, opt_fn) {
   var parts = path.split('.');
   var base = window;
   var part = null;
   var fn = opt_fn;
   if (!fn) {
     fn = function() {
       var prettyprint = function(arg) {
         if (arg instanceof Array) {
           var terms = [];
           for (var i = 0; i < arg.length; i++) {
             terms.push(prettyprint(arg[i]));
           }
           return '[' + terms.join(', ') + ']';
         } else if (typeof arg == 'object') {
           var properties = [];
           for (var key in arg) {
              properties.push(key + ': ' + prettyprint(arg[key]));
           }
           return '{' + properties.join(', ') + '}';
         } else {
           return arg;
         }
       };
       // The property 'arguments' is an array-like object. Convert to a true
       // array for prettyprinting.
       var args = Array.prototype.slice.call(arguments);
       console.log('Call to ' + path + ': ' + prettyprint(args));
     };
   }
   for (var i = 0; i < parts.length - 1; i++) {
     part = parts[i];
     if (!base[part]) {
       base[part] = {};
     }
     base = base[part];
   }
   base[parts[parts.length - 1]] = fn;
   return fn;
 }

 /**
  * The chrome.i18n API is not compatible with component extensions due to the
  * way component extensions are loaded (crbug/66834).
  */
 function overrideGetMessage() {
   var originalGetMessage = chrome.i18n.getMessage;

   /**
    * Localize a string resource.
    * @param {string} key The message key to localize.
    * @return {string} Translated resource.
    */
   chrome.i18n.getMessage = function(key) {
     if (key.startsWith('@@'))
       return originalGetMessage(key);

     // TODO(kevers): Add support for other locales.
     var table = i18n.input.chrome.inputview.TranslationTable;
     var entry = table[key];
     if (!entry)
       entry = table[key.toLowerCase()];
     return entry ? entry.message || '' : '';
   };
 };

 /**
  * Overrides call to switch keysets in order to catch when the keyboard
  * is ready for input. Used to synchronize the start of automated
  * virtual keyboard tests.
  */
 function overrideSwitchToKeyset() {
   var KeyboardContainer = i18n.input.chrome.inputview.KeyboardContainer;
   var switcher = KeyboardContainer.prototype.switchToKeyset;
   KeyboardContainer.prototype.switchToKeyset = function() {
     var success = switcher.apply(this, arguments);
     if (success) {
       // The first resize call forces resizing of the keyboard window.
       // The second resize call forces a clean layout for chrome://keyboard.
       controller.resize(false);
       controller.resize(true);
       var settings = controller.model_.settings;
       settings.supportCompact = true;
       if (keysetChangeListener_ &&
           keysetChangeListener_.target == arguments[0]) {
         var callback = keysetChangeListener_.callback;
         keysetChangeListener_ = undefined;
         // TODO (rsadam): Get rid of this hack. Currently this is needed to
         // ensure the keyset was fully loaded before carrying on with the test.
         setTimeout(callback, 0);
       }
     }
     return success;
   };
 }

 /**
  * Arms a one time callback to invoke when the VK switches to the target keyset.
  * Only one keyset change callback may be armed at any time. Used to synchronize
  * tests and to track initial load time for the virtual keyboard.
  * @param {string} keyset The target keyset.
  * @param {function} callback The callback to invoke when the keyset becomes
  *     active.
  */
 function onSwitchToKeyset(keyset, callback) {
   if (keysetChangeListener_) {
     console.error('A keyset change listener is already armed.');
     return;
   }
   keysetChangeListener_ = {
     target: keyset,
     callback: callback
   };
 }

 /**
  * Spatial data is used in conjunction with a language model to offer
  * corrections for 'fat finger' typing and is not needed for the system VK.
  */
 function overrideGetSpatialData() {
   var Controller = i18n.input.chrome.inputview.Controller;
   Controller.prototype.getSpatialData_ = function() {};
 }

 /**
  * Return the most recently used US layout. By default, this will return the
  * compact layout.
  */
 function getDefaultUsLayout() {
   return window.localStorage['vkDefaultLayoutIsFull']
       ? 'us' : 'us.compact.qwerty';
 }

 // Plug in for API calls.
 function registerInputviewApi() {

   // Flag values for ctrl, alt and shift as defined by EventFlags
   // in "event_constants.h".
   // @enum {number}
   var Modifier = {
     NONE: 0,
     ALT: 8,
     CONTROL: 4,
     SHIFT: 2,
     CAPSLOCK: 256
   };

   // Mapping from keyName to keyCode (see ui::KeyEvent).
   var nonAlphaNumericKeycodes = {
     Backquote: 0xC0,
     Backslash: 0xDC,
     Backspace: 0x08,
     BracketLeft: 0xDB,
     BracketRight: 0xDD,
     Comma: 0xBC,
     Enter: 0x0D,
     Period: 0xBE,
     Quote: 0xBF,
     Semicolon: 0xBA,
     Slash: 0xBF,
     Space: 0x20,
     Tab: 0x09
   };

   /**
    * Displays a console message containing the last runtime error.
    * @private
    */
   function logIfError_() {
     if (chrome.runtime.lastError) {
       console.log(chrome.runtime.lastError);
     }
   }

   function commitText_(text) {
     chrome.virtualKeyboardPrivate.insertText(text, logIfError_);
   }

   /**
    * Retrieve the preferred keyboard configuration.
    * @param {function} callback The callback function for processing the
    *     keyboard configuration.
    * @private
    */
   function getKeyboardConfig_(callback) {
     chrome.virtualKeyboardPrivate.getKeyboardConfig(callback);
   }

   /**
    * Retrieve a list of all enabled input methods.
    * @param {function} callback The callback function for processing the list
    *     of enabled input methods.
    * @private
    */
   function getInputMethods_(callback) {
     if (chrome.inputMethodPrivate)
       chrome.inputMethodPrivate.getInputMethods(callback);
     else
       callback([]);
   }

   /**
    * Retrieve the name of the active input method.
    * @param {function} callback The callback function for processing the
    *     name of the active input mehtod.
    * @private
    */
   function getCurrentInputMethod_(callback) {
     if (chrome.inputMethodPrivate)
       chrome.inputMethodPrivate.getCurrentInputMethod(callback);
     else
       callback('');
   }

   /**
    * Retrieve the current display size in inches.
    * @param {function} callback
    * @private
    */
   function getDisplayInInches_(callback) {
     callback(0);
   }

   /**
    * Retrieve the current input method configuration.
    * @param {function} callback The callback function for processing the
    *     name of the active input mehtod.
    * @private
    */
   function getInputMethodConfig_(callback) {
     if (chrome.inputMethodPrivate)
       chrome.inputMethodPrivate.getInputMethodConfig(callback);
     else
       callback('');
   }

   /**
    * Changes the active input method.
    * @param {string} inputMethodId The id of the input method to activate.
    * @private
    */
   function switchToInputMethod_(inputMethodId) {
     if (chrome.inputMethodPrivate)
       chrome.inputMethodPrivate.setCurrentInputMethod(inputMethodId)
   }

   /**
    * Opens the language settings for specifying and configuring input methods.
    * @private
    */
   function openSettings_() {
     chrome.virtualKeyboardPrivate.openSettings();
   }

   /**
    * Dispatches a virtual key event. The system VK does not use the IME
    * API as its primary role is to work in conjunction with a non-VK aware
    * IME. Some reformatting of the key data is required to work with the
    * virtualKeyboardPrivate API.
    * @param {!Object} keyData Description of the key event.
    */
   function sendKeyEvent_(keyData) {
     keyData.forEach(function(data) {
       var charValue = data.key.length == 1 ? data.key.charCodeAt(0) : 0;
       var keyCode = data.keyCode ? data.keyCode :
           getKeyCode_(data.key, data.code);
       var event = {
         type: data.type,
         charValue: charValue,
         keyCode: keyCode,
         keyName: data.code,
         modifiers: Modifier.NONE
       };
       if (data.altKey)
         event.modifiers |= Modifier.ALT;
       if (data.ctrlKey)
         event.modifiers |= Modifier.CONTROL;
       if (data.shiftKey)
         event.modifiers |= Modifier.SHIFT;
       if (data.capsLock)
         event.modifiers |= Modifier.CAPSLOCK;

       chrome.virtualKeyboardPrivate.sendKeyEvent(event, logIfError_);
     });
   }

   /**
    * Computes keyCodes for use with ui::KeyEvent.
    * @param {string} keyChar Character being typed.
    * @param {string} keyName w3c name of the character.
    */
   function getKeyCode_(keyChar, keyName) {
     var keyCode = nonAlphaNumericKeycodes[keyName];
     if (keyCode)
       return keyCode;

     var match = /Key([A-Z])/.exec(keyName);
     if (match)
       return match[1].charCodeAt(0);

     match = /Digit([0-9])/.exec(keyName);
     if (match)
       return match[1].charCodeAt(0);

     if (keyChar.length == 1) {
       if (keyChar >= 'a' && keyChar <= 'z')
         return keyChar.charCodeAt(0) - 32;
       if (keyChar >= 'A' && keyChar <= 'Z')
         return keyChar.charCodeAt(0);
       if (keyChar >= '0' && keyChar <= '9')
         return keyChar.charCodeAt(0);
     }
     return 0;
   }

   window.inputview = {
     commitText: commitText_,
     getKeyboardConfig: getKeyboardConfig_,
     getInputMethods: getInputMethods_,
     getCurrentInputMethod: getCurrentInputMethod_,
     getInputMethodConfig: getInputMethodConfig_,
     switchToInputMethod: switchToInputMethod_,
     getDisplayInInches: getDisplayInInches_,
     openSettings: openSettings_
   };

   registerFunction('chrome.input.ime.hideInputView', function() {
     chrome.virtualKeyboardPrivate.hideKeyboard();
     chrome.virtualKeyboardPrivate.lockKeyboard(false);
   });

   var defaultSendMessage = registerFunction('chrome.runtime.sendMessage');
   registerFunction('chrome.runtime.sendMessage', function(message) {
     if (message.type == 'send_key_event')
       sendKeyEvent_(message.keyData);
     else if (message.type == 'commit_text')
       commitText_(message.text);
     else
       defaultSendMessage(message);
   });
 }

 registerFunction('chrome.runtime.getBackgroundPage', function() {
   var callback = arguments[0];
   callback();
 });
 registerFunction('chrome.runtime.sendMessage');
 registerFunction('chrome.runtime.onMessage.addListener');

 if (!chrome.i18n) {
   chrome.i18n = {};
   chrome.i18n.getMessage = function(name) {
     return name;
   }
 }

 /**
  * Trigger loading the virtual keyboard on completion of page load.
  */
 window.onload = function() {
   var params = {};
   var matches = window.location.href.match(/[#?].*$/);
   if (matches && matches.length > 0) {
     matches[0].slice(1).split('&').forEach(function(s) {
       var pair = s.split('=');
       params[pair[0]] = pair[1];
     });
   }

   var keyset = params['id'] || getDefaultUsLayout();
   var languageCode = params['language'] || 'en';
   var passwordLayout = params['passwordLayout'] || 'us';
   var name = params['name'] || 'English';

   overrideGetMessage();
   overrideSwitchToKeyset();
   overrideGetSpatialData();
   registerInputviewApi();
   i18n.input.chrome.inputview.Controller.DEV = true;
   i18n.input.chrome.inputview.Adapter.prototype.isSwitching = function() {
     return false;
   };

   if (keyset != 'none') {
     window.initializeVirtualKeyboard(keyset, languageCode, passwordLayout,
         name);
   }
 };

 /**
  * Run cleanup tasks.
  */
 window.onbeforeunload = function() {
   if (controller)
     goog.dispose(controller);
 };

 /**
  * Loads a virtual keyboard. If a keyboard was previously loaded, it is
  * reinitialized with the new configuration.
  * @param {string} keyset The keyboard keyset.
  * @param {string} languageCode The language code for this keyboard.
  * @param {string} passwordLayout The layout for password box.
  * @param {string} name The input tool name.
  * @param {Object=} opt_config Optional configuration settings.
  */
 window.initializeVirtualKeyboard = function(keyset, languageCode,
     passwordLayout, name, opt_config) {
   var Controller = i18n.input.chrome.inputview.Controller;
   Controller.DISABLE_HWT = !(opt_config && opt_config.enableHwtForTesting);
   onSwitchToKeyset(keyset, function() {
     chrome.virtualKeyboardPrivate.keyboardLoaded();
   });
   if (controller)
     controller.initialize(keyset, languageCode, passwordLayout, name);
   else
     controller = new Controller(keyset, languageCode, passwordLayout, name);
 };
	// Copyright 2014 The Chromium Authors
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.
	//
	var CLOSURE_NO_DEPS=true;

	var controller;

	/**
	* Armed callback to be triggered when a keyset changes.
	* @type {{string:target function:callback}}
	* @private
	*/
	var keysetChangeListener_;

	/**
	* Registers a function, which may override a preexisting implementation.
	* @param {string} path Full path for the function name.
	* @param {function=} opt_fn Optional function definition. If not specified,
	* the default implementation prettyprints the method call with arguments.
	* @return {function} Registered function, which may be a mock implementation.
	*/
	function registerFunction(path, opt_fn) {
	var parts = path.split('.');
	var base = window;
	var part = null;
	var fn = opt_fn;
	if (!fn) {
	fn = function() {
	var prettyprint = function(arg) {
	if (arg instanceof Array) {
	var terms = [];
	for (var i = 0; i < arg.length; i++) {
	terms.push(prettyprint(arg[i]));
	}
	return '[' + terms.join(', ') + ']';
	} else if (typeof arg == 'object') {
	var properties = [];
	for (var key in arg) {
	properties.push(key + ': ' + prettyprint(arg[key]));
	}
	return '{' + properties.join(', ') + '}';
	} else {
	return arg;
	}
	};
	// The property 'arguments' is an array-like object. Convert to a true
	// array for prettyprinting.
	var args = Array.prototype.slice.call(arguments);
	console.log('Call to ' + path + ': ' + prettyprint(args));
	};
	}
	for (var i = 0; i < parts.length - 1; i++) {
	part = parts[i];
	if (!base[part]) {
	base[part] = {};
	}
	base = base[part];
	}
	base[parts[parts.length - 1]] = fn;
	return fn;
	}

	/**
	* The chrome.i18n API is not compatible with component extensions due to the
	* way component extensions are loaded (crbug/66834).
	*/
	function overrideGetMessage() {
	var originalGetMessage = chrome.i18n.getMessage;

	/**
	* Localize a string resource.
	* @param {string} key The message key to localize.
	* @return {string} Translated resource.
	*/
	chrome.i18n.getMessage = function(key) {
	if (key.startsWith('@@'))
	return originalGetMessage(key);

	// TODO(kevers): Add support for other locales.
	var table = i18n.input.chrome.inputview.TranslationTable;
	var entry = table[key];
	if (!entry)
	entry = table[key.toLowerCase()];
	return entry ? entry.message \|\| '' : '';
	};
	};

	/**
	* Overrides call to switch keysets in order to catch when the keyboard
	* is ready for input. Used to synchronize the start of automated
	* virtual keyboard tests.
	*/
	function overrideSwitchToKeyset() {
	var KeyboardContainer = i18n.input.chrome.inputview.KeyboardContainer;
	var switcher = KeyboardContainer.prototype.switchToKeyset;
	KeyboardContainer.prototype.switchToKeyset = function() {
	var success = switcher.apply(this, arguments);
	if (success) {
	// The first resize call forces resizing of the keyboard window.
	// The second resize call forces a clean layout for chrome://keyboard.
	controller.resize(false);
	controller.resize(true);
	var settings = controller.model_.settings;
	settings.supportCompact = true;
	if (keysetChangeListener_ &&
	keysetChangeListener_.target == arguments[0]) {
	var callback = keysetChangeListener_.callback;
	keysetChangeListener_ = undefined;
	// TODO (rsadam): Get rid of this hack. Currently this is needed to
	// ensure the keyset was fully loaded before carrying on with the test.
	setTimeout(callback, 0);
	}
	}
	return success;
	};
	}

	/**
	* Arms a one time callback to invoke when the VK switches to the target keyset.
	* Only one keyset change callback may be armed at any time. Used to synchronize
	* tests and to track initial load time for the virtual keyboard.
	* @param {string} keyset The target keyset.
	* @param {function} callback The callback to invoke when the keyset becomes
	* active.
	*/
	function onSwitchToKeyset(keyset, callback) {
	if (keysetChangeListener_) {
	console.error('A keyset change listener is already armed.');
	return;
	}
	keysetChangeListener_ = {
	target: keyset,
	callback: callback
	};
	}

	/**
	* Spatial data is used in conjunction with a language model to offer
	* corrections for 'fat finger' typing and is not needed for the system VK.
	*/
	function overrideGetSpatialData() {
	var Controller = i18n.input.chrome.inputview.Controller;
	Controller.prototype.getSpatialData_ = function() {};
	}

	/**
	* Return the most recently used US layout. By default, this will return the
	* compact layout.
	*/
	function getDefaultUsLayout() {
	return window.localStorage['vkDefaultLayoutIsFull']
	? 'us' : 'us.compact.qwerty';
	}

	// Plug in for API calls.
	function registerInputviewApi() {

	// Flag values for ctrl, alt and shift as defined by EventFlags
	// in "event_constants.h".
	// @enum {number}
	var Modifier = {
	NONE: 0,
	ALT: 8,
	CONTROL: 4,
	SHIFT: 2,
	CAPSLOCK: 256
	};

	// Mapping from keyName to keyCode (see ui::KeyEvent).
	var nonAlphaNumericKeycodes = {
	Backquote: 0xC0,
	Backslash: 0xDC,
	Backspace: 0x08,
	BracketLeft: 0xDB,
	BracketRight: 0xDD,
	Comma: 0xBC,
	Enter: 0x0D,
	Period: 0xBE,
	Quote: 0xBF,
	Semicolon: 0xBA,
	Slash: 0xBF,
	Space: 0x20,
	Tab: 0x09
	};

	/**
	* Displays a console message containing the last runtime error.
	* @private
	*/
	function logIfError_() {
	if (chrome.runtime.lastError) {
	console.log(chrome.runtime.lastError);
	}
	}

	function commitText_(text) {
	chrome.virtualKeyboardPrivate.insertText(text, logIfError_);
	}

	/**
	* Retrieve the preferred keyboard configuration.
	* @param {function} callback The callback function for processing the
	* keyboard configuration.
	* @private
	*/
	function getKeyboardConfig_(callback) {
	chrome.virtualKeyboardPrivate.getKeyboardConfig(callback);
	}

	/**
	* Retrieve a list of all enabled input methods.
	* @param {function} callback The callback function for processing the list
	* of enabled input methods.
	* @private
	*/
	function getInputMethods_(callback) {
	if (chrome.inputMethodPrivate)
	chrome.inputMethodPrivate.getInputMethods(callback);
	else
	callback([]);
	}

	/**
	* Retrieve the name of the active input method.
	* @param {function} callback The callback function for processing the
	* name of the active input mehtod.
	* @private
	*/
	function getCurrentInputMethod_(callback) {
	if (chrome.inputMethodPrivate)
	chrome.inputMethodPrivate.getCurrentInputMethod(callback);
	else
	callback('');
	}

	/**
	* Retrieve the current display size in inches.
	* @param {function} callback
	* @private
	*/
	function getDisplayInInches_(callback) {
	callback(0);
	}

	/**
	* Retrieve the current input method configuration.
	* @param {function} callback The callback function for processing the
	* name of the active input mehtod.
	* @private
	*/
	function getInputMethodConfig_(callback) {
	if (chrome.inputMethodPrivate)
	chrome.inputMethodPrivate.getInputMethodConfig(callback);
	else
	callback('');
	}

	/**
	* Changes the active input method.
	* @param {string} inputMethodId The id of the input method to activate.
	* @private
	*/
	function switchToInputMethod_(inputMethodId) {
	if (chrome.inputMethodPrivate)
	chrome.inputMethodPrivate.setCurrentInputMethod(inputMethodId)
	}

	/**
	* Opens the language settings for specifying and configuring input methods.
	* @private
	*/
	function openSettings_() {
	chrome.virtualKeyboardPrivate.openSettings();
	}

	/**
	* Dispatches a virtual key event. The system VK does not use the IME
	* API as its primary role is to work in conjunction with a non-VK aware
	* IME. Some reformatting of the key data is required to work with the
	* virtualKeyboardPrivate API.
	* @param {!Object} keyData Description of the key event.
	*/
	function sendKeyEvent_(keyData) {
	keyData.forEach(function(data) {
	var charValue = data.key.length == 1 ? data.key.charCodeAt(0) : 0;
	var keyCode = data.keyCode ? data.keyCode :
	getKeyCode_(data.key, data.code);
	var event = {
	type: data.type,
	charValue: charValue,
	keyCode: keyCode,
	keyName: data.code,
	modifiers: Modifier.NONE
	};
	if (data.altKey)
	event.modifiers \|= Modifier.ALT;
	if (data.ctrlKey)
	event.modifiers \|= Modifier.CONTROL;
	if (data.shiftKey)
	event.modifiers \|= Modifier.SHIFT;
	if (data.capsLock)
	event.modifiers \|= Modifier.CAPSLOCK;

	chrome.virtualKeyboardPrivate.sendKeyEvent(event, logIfError_);
	});
	}

	/**
	* Computes keyCodes for use with ui::KeyEvent.
	* @param {string} keyChar Character being typed.
	* @param {string} keyName w3c name of the character.
	*/
	function getKeyCode_(keyChar, keyName) {
	var keyCode = nonAlphaNumericKeycodes[keyName];
	if (keyCode)
	return keyCode;

	var match = /Key([A-Z])/.exec(keyName);
	if (match)
	return match[1].charCodeAt(0);

	match = /Digit([0-9])/.exec(keyName);
	if (match)
	return match[1].charCodeAt(0);

	if (keyChar.length == 1) {
	if (keyChar >= 'a' && keyChar <= 'z')
	return keyChar.charCodeAt(0) - 32;
	if (keyChar >= 'A' && keyChar <= 'Z')
	return keyChar.charCodeAt(0);
	if (keyChar >= '0' && keyChar <= '9')
	return keyChar.charCodeAt(0);
	}
	return 0;
	}

	window.inputview = {
	commitText: commitText_,
	getKeyboardConfig: getKeyboardConfig_,
	getInputMethods: getInputMethods_,
	getCurrentInputMethod: getCurrentInputMethod_,
	getInputMethodConfig: getInputMethodConfig_,
	switchToInputMethod: switchToInputMethod_,
	getDisplayInInches: getDisplayInInches_,
	openSettings: openSettings_
	};

	registerFunction('chrome.input.ime.hideInputView', function() {
	chrome.virtualKeyboardPrivate.hideKeyboard();
	chrome.virtualKeyboardPrivate.lockKeyboard(false);
	});

	var defaultSendMessage = registerFunction('chrome.runtime.sendMessage');
	registerFunction('chrome.runtime.sendMessage', function(message) {
	if (message.type == 'send_key_event')
	sendKeyEvent_(message.keyData);
	else if (message.type == 'commit_text')
	commitText_(message.text);
	else
	defaultSendMessage(message);
	});
	}

	registerFunction('chrome.runtime.getBackgroundPage', function() {
	var callback = arguments[0];
	callback();
	});
	registerFunction('chrome.runtime.sendMessage');
	registerFunction('chrome.runtime.onMessage.addListener');

	if (!chrome.i18n) {
	chrome.i18n = {};
	chrome.i18n.getMessage = function(name) {
	return name;
	}
	}

	/**
	* Trigger loading the virtual keyboard on completion of page load.
	*/
	window.onload = function() {
	var params = {};
	var matches = window.location.href.match(/[#?].*$/);
	if (matches && matches.length > 0) {
	matches[0].slice(1).split('&').forEach(function(s) {
	var pair = s.split('=');
	params[pair[0]] = pair[1];
	});
	}

	var keyset = params['id'] \|\| getDefaultUsLayout();
	var languageCode = params['language'] \|\| 'en';
	var passwordLayout = params['passwordLayout'] \|\| 'us';
	var name = params['name'] \|\| 'English';

	overrideGetMessage();
	overrideSwitchToKeyset();
	overrideGetSpatialData();
	registerInputviewApi();
	i18n.input.chrome.inputview.Controller.DEV = true;
	i18n.input.chrome.inputview.Adapter.prototype.isSwitching = function() {
	return false;
	};

	if (keyset != 'none') {
	window.initializeVirtualKeyboard(keyset, languageCode, passwordLayout,
	name);
	}
	};

	/**
	* Run cleanup tasks.
	*/
	window.onbeforeunload = function() {
	if (controller)
	goog.dispose(controller);
	};

	/**
	* Loads a virtual keyboard. If a keyboard was previously loaded, it is
	* reinitialized with the new configuration.
	* @param {string} keyset The keyboard keyset.
	* @param {string} languageCode The language code for this keyboard.
	* @param {string} passwordLayout The layout for password box.
	* @param {string} name The input tool name.
	* @param {Object=} opt_config Optional configuration settings.
	*/
	window.initializeVirtualKeyboard = function(keyset, languageCode,
	passwordLayout, name, opt_config) {
	var Controller = i18n.input.chrome.inputview.Controller;
	Controller.DISABLE_HWT = !(opt_config && opt_config.enableHwtForTesting);
	onSwitchToKeyset(keyset, function() {
	chrome.virtualKeyboardPrivate.keyboardLoaded();
	});
	if (controller)
	controller.initialize(keyset, languageCode, passwordLayout, name);
	else
	controller = new Controller(keyset, languageCode, passwordLayout, name);
	};