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// Copyright 2016 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
* 'settings-keyboard' is the settings subpage with keyboard settings.
*/
cr.exportPath('settings');
/**
* Modifier key IDs corresponding to the ModifierKey enumerators in
* /ui/base/ime/chromeos/ime_keyboard.h.
* @enum {number}
*/
settings.ModifierKey = {
SEARCH_KEY: 0,
CONTROL_KEY: 1,
ALT_KEY: 2,
VOID_KEY: 3, // Represents a disabled key.
CAPS_LOCK_KEY: 4,
ESCAPE_KEY: 5,
BACKSPACE_KEY: 6,
ASSISTANT_KEY: 7,
};
Polymer({
is: 'settings-keyboard',
properties: {
/** Preferences state. */
prefs: {
type: Object,
notify: true,
},
/** @private Whether to show Caps Lock options. */
showCapsLock_: Boolean,
/** @private Whether this device has an internal keyboard. */
hasInternalKeyboard_: Boolean,
/** @private Whether this device has an Assistant key on keyboard. */
hasAssistantKey_: Boolean,
/**
* Whether to show a remapping option for external keyboard's Meta key
* (Search/Windows keys). This is true only when there's an external
* keyboard connected that is a non-Apple keyboard.
* @private
*/
showExternalMetaKey_: Boolean,
/**
* Whether to show a remapping option for the Command key. This is true when
* one of the connected keyboards is an Apple keyboard.
* @private
*/
showAppleCommandKey_: Boolean,
/** @private {!DropdownMenuOptionList} Menu items for key mapping. */
keyMapTargets_: Object,
/**
* Auto-repeat delays (in ms) for the corresponding slider values, from
* long to short. The values were chosen to provide a large range while
* giving several options near the defaults.
* @private {!Array<number>}
*/
autoRepeatDelays_: {
type: Array,
value: [2000, 1500, 1000, 500, 300, 200, 150],
readOnly: true,
},
/**
* Auto-repeat intervals (in ms) for the corresponding slider values, from
* long to short. The slider itself is labeled "rate", the inverse of
* interval, and goes from slow (long interval) to fast (short interval).
* @private {!Array<number>}
*/
autoRepeatIntervals_: {
type: Array,
value: [2000, 1000, 500, 300, 200, 100, 50, 30, 20],
readOnly: true,
},
},
/** @override */
ready: function() {
cr.addWebUIListener('show-keys-changed', this.onShowKeysChange_.bind(this));
settings.DevicePageBrowserProxyImpl.getInstance().initializeKeyboard();
this.setUpKeyMapTargets_();
},
/**
* Initializes the dropdown menu options for remapping keys.
* @private
*/
setUpKeyMapTargets_: function() {
// Ordering is according to UX, but values match settings.ModifierKey.
this.keyMapTargets_ = [
{
value: settings.ModifierKey.SEARCH_KEY,
name: loadTimeData.getString('keyboardKeySearch'),
},
{
value: settings.ModifierKey.CONTROL_KEY,
name: loadTimeData.getString('keyboardKeyCtrl')
},
{
value: settings.ModifierKey.ALT_KEY,
name: loadTimeData.getString('keyboardKeyAlt')
},
{
value: settings.ModifierKey.CAPS_LOCK_KEY,
name: loadTimeData.getString('keyboardKeyCapsLock')
},
{
value: settings.ModifierKey.ESCAPE_KEY,
name: loadTimeData.getString('keyboardKeyEscape')
},
{
value: settings.ModifierKey.BACKSPACE_KEY,
name: loadTimeData.getString('keyboardKeyBackspace')
},
{
value: settings.ModifierKey.ASSISTANT_KEY,
name: loadTimeData.getString('keyboardKeyAssistant')
},
{
value: settings.ModifierKey.VOID_KEY,
name: loadTimeData.getString('keyboardKeyDisabled')
}
];
},
/**
* Handler for updating which keys to show.
* @param {Object} keyboardParams
* @private
*/
onShowKeysChange_: function(keyboardParams) {
this.hasInternalKeyboard_ = keyboardParams['hasInternalKeyboard'];
this.hasAssistantKey_ = keyboardParams['hasAssistantKey'];
this.showCapsLock_ = keyboardParams['showCapsLock'];
this.showExternalMetaKey_ = keyboardParams['showExternalMetaKey'];
this.showAppleCommandKey_ = keyboardParams['showAppleCommandKey'];
},
onShowKeyboardShortcutViewerTap_: function() {
settings.DevicePageBrowserProxyImpl.getInstance()
.showKeyboardShortcutViewer();
},
onShowLanguageInputTap_: function() {
settings.navigateTo(
settings.routes.LANGUAGES_DETAILS,
/* dynamicParams */ null, /* removeSearch */ true);
},
getExternalMetaKeyLabel_: function(hasInternalKeyboard) {
return loadTimeData.getString(
hasInternalKeyboard ? 'keyboardKeyExternalMeta' : 'keyboardKeyMeta');
},
getExternalCommandKeyLabel_: function(hasInternalKeyboard) {
return loadTimeData.getString(
hasInternalKeyboard ? 'keyboardKeyExternalCommand' :
'keyboardKeyCommand');
},
});
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