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// Copyright 2014 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 Oobe HID detection screen implementation.
*/
login.createScreen('HIDDetectionScreen', 'hid-detection', function() {
return {
EXTERNAL_API: [
'setPointingDeviceState',
'setKeyboardDeviceState',
],
/**
* Enumeration of possible states during pairing. The value associated with
* each state maps to a localized string in the global variable
* |loadTimeData|.
* @enum {string}
*/
PAIRING: {
STARTUP: 'bluetoothStartConnecting',
REMOTE_PIN_CODE: 'bluetoothRemotePinCode',
REMOTE_PASSKEY: 'bluetoothRemotePasskey',
CONNECT_FAILED: 'bluetoothConnectFailed',
CANCELED: 'bluetoothPairingCanceled',
// Pairing dismissed (succeeded or canceled).
DISMISSED: 'bluetoothPairingDismissed'
},
/**
* Button to move to usual OOBE flow after detection.
* @private
*/
continueButton_: null,
/**
* Buttons in oobe wizard's button strip.
* @type {array} Array of Buttons.
*/
get buttons() {
var buttons = [];
var continueButton = this.ownerDocument.createElement('button');
continueButton.id = 'hid-continue-button';
continueButton.textContent = loadTimeData.getString(
'hidDetectionContinue');
continueButton.addEventListener('click', function(e) {
chrome.send('HIDDetectionOnContinue');
e.stopPropagation();
});
buttons.push(continueButton);
this.continueButton_ = continueButton;
return buttons;
},
/**
* Returns a control which should receive an initial focus.
*/
get defaultControl() {
return this.continueButton_;
},
/**
* Sets a device-block css class to reflect device state of searching,
* connected, pairing or paired (for BT devices).
* @param {blockId} id one of 'hid-mouse-block' or 'hid-keyboard-block'.
* @param {state} one of 'searching', 'connected', 'pairing', 'paired',
* @private
*/
setDeviceBlockState_: function(blockId, state) {
if (state == 'update')
return;
var deviceBlock = $(blockId);
var states = ['searching', 'connected', 'pairing', 'paired'];
for (var i = 0; i < states.length; ++i) {
if (states[i] != state)
deviceBlock.classList.remove(states[i]);
}
deviceBlock.classList.add(state);
},
/**
* Sets state for mouse-block.
* @param {state} one of 'searching', 'connected', 'paired'.
*/
setPointingDeviceState: function(state) {
if (state === undefined)
return;
this.setDeviceBlockState_('hid-mouse-block', state);
},
/**
* Sets state for pincode key elements.
* @param {entered} int, number of typed keys of pincode, -1 if keys press
* detection is not supported by device.
*/
setPincodeKeysState_: function(entered) {
var pincodeLength = 7; // including enter-key
for (var i = 0; i < pincodeLength; i++) {
var pincodeSymbol = $('hid-keyboard-pincode-sym-' + (i + 1));
pincodeSymbol.classList.remove('key-typed');
pincodeSymbol.classList.remove('key-untyped');
pincodeSymbol.classList.remove('key-next');
if (i < entered)
pincodeSymbol.classList.add('key-typed');
else if (i == entered)
pincodeSymbol.classList.add('key-next');
else if (entered != -1)
pincodeSymbol.classList.add('key-untyped');
}
},
/**
* Sets state for keyboard-block.
* @param {data} dict with parameters.
*/
setKeyboardDeviceState: function(data) {
if (data === undefined || !('state' in data))
return;
var state = data['state'];
this.setDeviceBlockState_('hid-keyboard-block', state);
if (state == 'paired')
$('hid-keyboard-label-paired').textContent = data['keyboard-label'];
else if (state == 'pairing') {
$('hid-keyboard-label-pairing').textContent = data['keyboard-label'];
if (data['pairing-state'] == this.PAIRING.REMOTE_PIN_CODE ||
data['pairing-state'] == this.PAIRING.REMOTE_PASSKEY) {
this.setPincodeKeysState_(-1);
for (var i = 0, len = data['pincode'].length; i < len; i++) {
var pincodeSymbol = $('hid-keyboard-pincode-sym-' + (i + 1));
pincodeSymbol.textContent = data['pincode'][i];
}
announceAccessibleMessage(
data['keyboard-label'] + ' ' + data['pincode'] + ' ' +
loadTimeData.getString('hidDetectionBTEnterKey'));
}
} else if (state == 'update') {
if ('keysEntered' in data) {
this.setPincodeKeysState_(data['keysEntered']);
}
}
},
/**
* Event handler that is invoked just before the screen in shown.
* @param {Object} data Screen init payload.
*/
onBeforeShow: function(data) {
$('hid-continue-button').disabled = true;
this.setDeviceBlockState_('hid-mouse-block', 'searching');
this.setDeviceBlockState_('hid-keyboard-block', 'searching');
},
};
});
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