Add third_party/google-input-tools: Take 2

third_party/google_input_tools/src/chrome/os/inputview/model.js

+// Copyright 2014 The ChromeOS IME Authors. All Rights Reserved.
+// limitations under the License.
+// See the License for the specific language governing permissions and
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// distributed under the License is distributed on an "AS-IS" BASIS,
+// Unless required by applicable law or agreed to in writing, software
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// You may obtain a copy of the License at
+// you may not use this file except in compliance with the License.
+// Licensed under the Apache License, Version 2.0 (the "License");
+//
+goog.provide('i18n.input.chrome.inputview.Model');
+
+goog.require('goog.array');
+goog.require('goog.events.EventTarget');
+goog.require('goog.net.jsloader');
+goog.require('i18n.input.chrome.inputview.ConditionName');
+goog.require('i18n.input.chrome.inputview.Settings');
+goog.require('i18n.input.chrome.inputview.SpecNodeName');
+goog.require('i18n.input.chrome.inputview.StateManager');
+goog.require('i18n.input.chrome.inputview.events.ConfigLoadedEvent');
+goog.require('i18n.input.chrome.inputview.events.LayoutLoadedEvent');
+
+goog.scope(function() {
+var SpecNodeName = i18n.input.chrome.inputview.SpecNodeName;
+
+
+
+/**
+ * The model.
+ * @constructor
+ * @extends {goog.events.EventTarget}
+ */
+i18n.input.chrome.inputview.Model = function() {
+  goog.base(this);
+
+  /**
+   * The state manager.
+   *
+   * @type {!i18n.input.chrome.inputview.StateManager}
+   */
+  this.stateManager = new i18n.input.chrome.inputview.StateManager();
+
+  /**
+   * The configuration.
+   *
+   * @type {!i18n.input.chrome.inputview.Settings}
+   */
+  this.settings = new i18n.input.chrome.inputview.Settings();
+
+  /** @private {!Array.<string>} */
+  this.loadingResources_ = [];
+
+  goog.exportSymbol('google.ime.chrome.inputview.onLayoutLoaded',
+      goog.bind(this.onLayoutLoaded_, this));
+  goog.exportSymbol('google.ime.chrome.inputview.onConfigLoaded',
+      goog.bind(this.onConfigLoaded_, this));
+};
+var Model = i18n.input.chrome.inputview.Model;
+goog.inherits(Model, goog.events.EventTarget);
+
+
+/**
+ * The path to the layouts directory.
+ *
+ * @type {string}
+ * @private
+ */
+Model.LAYOUTS_PATH_ =
+    '/inputview_layouts/';
+
+
+/**
+ * The path to the content directory.
+ *
+ * @type {string}
+ * @private
+ */
+Model.CONTENT_PATH_ =
+    '/config/';
+
+
+/**
+ * Callback when configuration is loaded.
+ *
+ * @param {!Object} data The configuration data.
+ * @private
+ */
+Model.prototype.onConfigLoaded_ = function(data) {
+  goog.array.remove(this.loadingResources_, this.getConfigUrl_(
+      data[SpecNodeName.ID]));
+  this.dispatchEvent(new i18n.input.chrome.inputview.events.ConfigLoadedEvent(
+      data));
+};
+
+
+/**
+ * Gets the layout url.
+ *
+ * @param {string} layout .
+ * @private
+ * @return {string} The url of the layout data.
+ */
+Model.prototype.getLayoutUrl_ = function(layout) {
+  return Model.LAYOUTS_PATH_ + layout + '.js';
+};
+
+
+/**
+ * Gets the keyset configuration url.
+ *
+ * @param {string} keyset .
+ * @private
+ * @return {string} .
+ */
+Model.prototype.getConfigUrl_ = function(keyset) {
+  // Strips out all the suffixes in the keyboard code.
+  var configId = keyset.replace(/\..*$/, '');
+  return Model.CONTENT_PATH_ + configId + '.js';
+};
+
+
+/**
+ * Callback when layout is loaded.
+ *
+ * @param {!Object} data The layout data.
+ * @private
+ */
+Model.prototype.onLayoutLoaded_ = function(data) {
+  goog.array.remove(this.loadingResources_, this.getLayoutUrl_(data[
+      SpecNodeName.LAYOUT_ID]));
+  this.dispatchEvent(new i18n.input.chrome.inputview.events.LayoutLoadedEvent(
+      data));
+};
+
+
+/**
+ * Loads a layout.
+ *
+ * @param {string} layout The layout name.
+ */
+Model.prototype.loadLayout = function(layout) {
+  var url = this.getLayoutUrl_(layout);
+  if (!goog.array.contains(this.loadingResources_, url)) {
+    this.loadingResources_.push(url);
+    goog.net.jsloader.load(url);
+  }
+};
+
+
+/**
+ * Loads the configuration for the keyboard code.
+ *
+ * @param {string} keyboardCode The keyboard code.
+ */
+Model.prototype.loadConfig = function(keyboardCode) {
+  var url = this.getConfigUrl_(keyboardCode);
+  if (!goog.array.contains(this.loadingResources_, url)) {
+    this.loadingResources_.push(url);
+    goog.net.jsloader.load(url);
+  }
+};
+
+});  // goog.scope