Remove virtual keyboard support.

chrome/browser/resources/keyboard/main.js

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-/**
- * @fileoverview A simple virtual keyboard implementation.
- */
-
-/**
- * The ratio of the row height to the font size.
- * @type {number}
- */
-const kFontSizeRatio = 3.5;
-
-/**
- * Return the id attribute of the keyboard element for the given layout.
- * @param {string} layout The keyboard layout.
- * @return {string} The id attribute of the keyboard element.
- */
-function getKeyboardId(layout) {
-  return 'keyboard_' + layout;
-}
-
-/**
- * Return the aspect ratio of the current keyboard.
- * @param {string} layout The keyboard layout.
- * @return {number} The aspect ratio of the current keyboard.
- */
-function getKeyboardAspect() {
-  return KEYBOARDS[currentKeyboardLayout]['aspect'];
-}
-
-/**
- * Calculate the height of the keyboard based on the size of the page.
- * @return {number} The height of the keyboard in pixels.
- */
-function getKeyboardHeight() {
-  var x = window.innerWidth;
-  var y = window.innerHeight - ((imeui && imeui.visible) ? IME_HEIGHT : 0);
-  return (x > getKeyboardAspect() * y) ?
-      y : Math.floor(x / getKeyboardAspect());
-}
-
-/**
- * Create a DOM of the keyboard rows for the given keyboard layout.
- * Do nothing if the DOM is already created.
- * @param {string} layout The keyboard layout for which rows are created.
- * @param {Element} element The DOM Element to which rows are appended.
- * @param {boolean} autoPadding True if padding needs to be added to both side
- *     of the rows that have less keys.
- * @return {void}
- */
-function initRows(layout, element, autoPadding) {
-  var keyboard = KEYBOARDS[layout];
-  if ('rows' in keyboard) {
-    return;
-  }
-  var def = keyboard['definition'];
-  var rows = [];
-  for (var i = 0; i < def.length; ++i) {
-    rows.push(new Row(i, def[i]));
-  }
-  keyboard['rows'] = rows;
-
-  var maxRowLength = -1;
-  for (var i = 0; i < rows.length; ++i) {
-    if (rows[i].length > maxRowLength) {
-      maxRowLength = rows[i].length;
-    }
-  }
-
-  // A div element which holds rows for the layout.
-  var rowsDiv = document.createElement('div');
-  rowsDiv.className = 'rows';
-  for (var i = 0; i < rows.length; ++i) {
-    var rowDiv = rows[i].makeDOM();
-    if (autoPadding && rows[i].length < maxRowLength) {
-      var padding = 50 * (maxRowLength - rows[i].length) / maxRowLength;
-      rowDiv.style.paddingLeft = padding + '%';
-      rowDiv.style.paddingRight = padding + '%';
-    }
-    rowsDiv.appendChild(rowDiv);
-    rows[i].showMode(currentMode);
-  }
-  keyboard['rowsDiv'] = rowsDiv;
-  element.appendChild(rowsDiv);
-}
-
-/**
- * Create a DOM of the handwriting canvas for the given keyboard layout.
- * Do nothing if the DOM is already created or the layout doesn't have canvas.
- * @param {string} layout The keyboard layout for which canvas is created.
- * @param {Element} The DOM Element to which canvas is appended.
- * @return {void}
- */
-function initHandwritingCanvas(layout, element) {
-  var keyboard = KEYBOARDS[layout];
-  if (!('canvas' in keyboard) || keyboard['canvas']) {
-    return;
-  }
-  var canvas = new HandwritingCanvas();
-  canvas.className = 'handwritingcanvas';
-  var border = 1;
-  var marginTop = 5;
-  var canvasHeight = getKeyboardHeight() - 2 * border - marginTop;
-  canvas.resize(canvasHeight);
-  keyboard['canvas'] = canvas;
-  element.appendChild(canvas);
-}
-
-/**
- * Create a DOM of the keyboard for the given keyboard layout.
- * Do nothing if the DOM is already created.
- * @param {string} layout The keyboard layout for which keyboard is created.
- * @param {Element} The DOM Element to which keyboard is appended.
- * @return {void}
- */
-function initKeyboard(layout, element) {
-  var keyboard = KEYBOARDS[layout];
-  if (!keyboard || keyboard['keyboardDiv']) {
-    return;
-  }
-  var keyboardDiv = document.createElement('div');
-  keyboardDiv.id = getKeyboardId(layout);
-  keyboardDiv.className = 'keyboard';
-  initRows(layout, keyboardDiv);
-  initHandwritingCanvas(layout, keyboardDiv);
-  keyboard['keyboardDiv'] = keyboardDiv;
-  window.onresize();
-  element.appendChild(keyboardDiv);
-}
-
-/**
- * Create a DOM of the popup keyboard.
- * @param {Element} The DOM Element to which the popup keyboard is appended.
- * @return {void}
- */
-function initPopupKeyboard(element) {
-  var popupDiv = document.createElement('div');
-  popupDiv.id = 'popup';
-  popupDiv.className = 'keyboard popup';
-  popupDiv.style.visibility = 'hidden';
-  element.appendChild(popupDiv);
-  element.addEventListener('mouseup', function(evt) {
-      hidePopupKeyboard(evt);
-    });
-}
-
-/**
- * Resize the keyboard according to the new window size.
- * @return {void}
- */
-window.onresize = function() {
-  var keyboardDiv = KEYBOARDS[currentKeyboardLayout]['keyboardDiv'];
-  var height = getKeyboardHeight();
-  keyboardDiv.style.height = height + 'px';
-  var mainDiv = document.getElementById('main');
-  mainDiv.style.width = Math.floor(getKeyboardAspect() * height) + 'px';
-  var rowsLength = KEYBOARDS[currentKeyboardLayout]['rows'].length;
-  keyboardDiv.style.fontSize = (height / kFontSizeRatio / rowsLength) + 'px';
-  updateIme();
-}
-
-/**
- * Init the keyboard.
- * @return {void}
- */
-window.onload = function() {
-  var body = document.getElementById('b');
-
-  // Catch all unhandled touch events and prevent default, to prevent the
-  // keyboard from responding to gestures like double tap.
-  function disableGestures(evt) {
-    evt.preventDefault();
-  }
-  body.addEventListener('touchstart', disableGestures);
-  body.addEventListener('touchmove', disableGestures);
-  body.addEventListener('touchend', disableGestures);
-
-  var mainDiv = document.createElement('div');
-  mainDiv.className = 'main';
-  mainDiv.id = 'main';
-  body.appendChild(mainDiv);
-
-  initIme(mainDiv);
-  initKeyboard(currentKeyboardLayout, mainDiv);
-  initPopupKeyboard(body);
-
-  window.onhashchange();
-
-  chrome.experimental.input.virtualKeyboard.onTextInputTypeChanged.addListener(
-      function(type) {
-    var newMode = SHIFT_MODE;
-    switch(type) {
-      case "text":
-        newMode = SHIFT_MODE;
-        break;
-      case "email":
-      case "password":
-      case "search":
-      case "url":
-        newMode = KEY_MODE;
-        break;
-      case "number":
-      case "tel":
-        newMode = NUMBER_MODE;
-        break;
-      default:
-        newMode = KEY_MODE;
-        break;
-    }
-    setMode(newMode);
-  });
-}
-// TODO(bryeung): would be nice to leave less gutter (without causing
-// rendering issues with floated divs wrapping at some sizes).
-
-/**
- * Switch the keyboard layout based on the current URL hash.
- * @return {void}
- */
-window.onhashchange = function() {
-  var old_layout = currentKeyboardLayout;
-  var new_layout = location.hash.replace(/^#/, "");
-  if (old_layout == new_layout) {
-    return;
-  }
-
-  if (KEYBOARDS[new_layout] === undefined) {
-    // Unsupported layout.
-    new_layout = "us";
-  }
-  currentKeyboardLayout = new_layout;
-
-  var mainDiv = document.getElementById('main');
-  initKeyboard(currentKeyboardLayout, mainDiv);
-
-  [new_layout, old_layout].forEach(function(layout) {
-      var visible = (layout == new_layout);
-      var keyboardDiv = KEYBOARDS[layout]['keyboardDiv'];
-      keyboardDiv.className = visible ? 'keyboard' : 'nodisplay';
-      var canvas = KEYBOARDS[layout]['canvas'];
-      if (canvas !== undefined) {
-        if (!visible) {
-          canvas.clear();
-        }
-      }
-      if (visible) {
-        window.onresize();
-      }
-    });
-}