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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 var RowAlignment = { | |
| 6 STRETCH: "stretch", | |
| 7 LEFT: "left", | |
| 8 RIGHT: "right", | |
| 9 CENTER: "center", | |
| 10 } | |
| 11 | |
| 12 /** | |
| 13 * Ratio of key height and font size. | |
| 14 * @type {number} | |
| 15 */ | |
| 16 var FONT_SIZE_RATIO = 2.5; | |
| 17 | |
| 18 /** | |
| 19 * @type {enum} | |
| 20 * Possible layout alignments. | |
| 21 */ | |
| 22 var LayoutAlignment = { | |
| 23 CENTER: "center", | |
| 24 STRETCH: "stretch", | |
| 25 }; | |
| 26 | |
| 27 /** | |
| 28 * The enumerations of key sounds. | |
| 29 * @const | |
| 30 * @type {enum} | |
| 31 */ | |
| 32 var Sound = { | |
| 33 NONE: "none", | |
| 34 DEFAULT: "keypress-standard", | |
| 35 }; | |
| 36 | |
| 37 /** | |
| 38 * The enumeration of swipe directions. | |
| 39 * @const | |
| 40 * @type {Enum} | |
| 41 */ | |
| 42 var SwipeDirection = { | |
| 43 RIGHT: 0x1, | |
| 44 LEFT: 0x2, | |
| 45 UP: 0x4, | |
| 46 DOWN: 0x8 | |
| 47 }; | |
| 48 | |
| 49 /** | |
| 50 * The ratio between the width and height of the key when in portrait mode. | |
| 51 * @type {number} | |
| 52 */ | |
| 53 var KEY_ASPECT_RATIO_PORTRAIT = 1; | |
| 54 | |
| 55 /** | |
| 56 * The ratio between the width and height of the key when in landscape mode. | |
| 57 * @type {number} | |
| 58 */ | |
| 59 var KEY_ASPECT_RATIO_LANDSCAPE = 1.46; | |
| 60 | |
| 61 /** | |
| 62 * The ratio between the height and width of the compact keyboard. | |
| 63 * @type {number} | |
| 64 */ | |
| 65 var DEFAULT_KEYBOARD_ASPECT_RATIO = 0.41; | |
| 66 | |
| 67 /** | |
| 68 * The default weight of a key. | |
| 69 * @type {number} | |
| 70 */ | |
| 71 var DEFAULT_KEY_WEIGHT = 100; | |
| 72 | |
| 73 /** | |
| 74 * The default volume for keyboard sounds. | |
| 75 * @type {number} | |
| 76 */ | |
| 77 var DEFAULT_VOLUME = 0.2; | |
| 78 | |
| 79 /** | |
| 80 * The top padding on each key. | |
| 81 * @type {number} | |
| 82 */ | |
| 83 // TODO(rsadam): Remove this variable once figure out how to calculate this | |
| 84 // number before the key is rendered. | |
| 85 var KEY_PADDING_TOP = 1; | |
| 86 var KEY_PADDING_BOTTOM = 1; | |
| 87 | |
| 88 /** | |
| 89 * The greatest distance between a key and a touch point for a PointerEvent | |
| 90 * to be processed. | |
| 91 * @type {number} | |
| 92 */ | |
| 93 var MAX_TOUCH_FUZZ_DISTANCE = 20; | |
| 94 | |
| 95 /** | |
| 96 * The maximum number of extra pixels before a resize is triggered. | |
| 97 * @type {number} | |
| 98 */ | |
| 99 var RESIZE_THRESHOLD = 20; | |
| 100 | |
| 101 /** | |
| 102 * The size of the pool to use for playing audio sounds on key press. This is to | |
| 103 * enable the same sound to be overlayed, for example, when a repeat key is | |
| 104 * pressed. | |
| 105 * @type {number} | |
| 106 */ | |
| 107 var SOUND_POOL_SIZE = 10; | |
| 108 | |
| 109 /** | |
| 110 * Whether or not to enable sounds on key press. | |
| 111 * @type {boolean} | |
| 112 */ | |
| 113 var SOUND_ENABLED = false; | |
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