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

   1 // Copyright 2014 The ChromeOS IME Authors. All Rights Reserved.
   2 // limitations under the License.
   3 // See the License for the specific language governing permissions and
   4 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   5 // distributed under the License is distributed on an "AS-IS" BASIS,
   6 // Unless required by applicable law or agreed to in writing, software
   7 //
   8 //      http://www.apache.org/licenses/LICENSE-2.0
   9 //
  10 // You may obtain a copy of the License at
  11 // you may not use this file except in compliance with the License.
  12 // Licensed under the Apache License, Version 2.0 (the "License");
  13 //
  14 goog.provide('i18n.input.chrome.inputview.ReadyState');
  15
  16
  17
  18 goog.scope(function() {
  19
  20
  21
  22 /**
  23  * The system ready state which mainains a state bit map.
  24  * Inputview controller uses this to determine whether the system is ready to
  25  * render the UI.
  26  *
  27  * @constructor
  28  */
  29 i18n.input.chrome.inputview.ReadyState = function() {
  30 };
  31 var ReadyState = i18n.input.chrome.inputview.ReadyState;
  32
  33
  34 /**
  35  * The state type.
  36  *
  37  * @enum {number}
  38  */
  39 ReadyState.StateType = {
  40   IME_LIST_READY: 0x1,
  41   KEYBOARD_CONFIG_READY: 0x10,
  42   LAYOUT_READY: 0x100,
  43   LAYOUT_CONFIG_READY: 0x1000,
  44   M17N_LAYOUT_READY: 0x10000,
  45   INPUT_METHOD_CONFIG_READY: 0x100000
  46 };
  47
  48
  49 /**
  50  * The internal ready state bit map.
  51  *
  52  * @private {number}
  53  */
  54 ReadyState.prototype.state_ = 0;
  55
  56
  57 /**
  58  * Gets whether the system is ready.
  59  *
  60  * @return {boolean} Whether the system is ready.
  61  */
  62 ReadyState.prototype.isAllReady = function() {
  63   return !!(this.state_ & (
  64       ReadyState.StateType.IME_LIST_READY |
  65       ReadyState.StateType.KEYBOARD_CONFIG_READY |
  66       ReadyState.StateType.LAYOUT_READY |
  67       ReadyState.StateType.LAYOUT_CONFIG_READY |
  68       ReadyState.StateType.M17N_LAYOUT_READY));
  69 };
  70
  71
  72 /**
  73  * Gets whether a specific state type is ready.
  74  *
  75  * @param {ReadyState.StateType} stateType .
  76  * @return {boolean} Whether is ready.
  77  */
  78 ReadyState.prototype.isReady = function(stateType) {
  79   return !!(this.state_ & stateType);
  80 };
  81
  82
  83 /**
  84  * Sets state ready for the given state type.
  85  *
  86  * @param {ReadyState.StateType} stateType .
  87  */
  88 ReadyState.prototype.markStateReady = function(stateType) {
  89   this.state_ |= stateType;
  90 };
  91 });  // goog.scope