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// Copyright (c) 2012 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 Device reset screen implementation.
*/
login.createScreen('ResetScreen', 'reset', function() {
var USER_ACTION_CANCEL_RESET = 'cancel-reset';
var USER_ACTION_RESTART_PRESSED = 'restart-pressed';
var USER_ACTION_LEARN_MORE_PRESSED = 'learn-more-link';
var USER_ACTION_SHOW_CONFIRMATION = 'show-confirmation';
var USER_ACTION_POWERWASH_PRESSED = 'powerwash-pressed';
var USER_ACTION_RESET_CONFIRM_DISMISSED = 'reset-confirm-dismissed';
var CONTEXT_KEY_ROLLBACK_AVAILABLE = 'rollback-available';
var CONTEXT_KEY_ROLLBACK_CHECKED = 'rollback-checked';
var CONTEXT_KEY_IS_OFFICIAL_BUILD = 'is-official-build';
var CONTEXT_KEY_IS_CONFIRMATIONAL_VIEW = 'is-confirmational-view';
var CONTEXT_KEY_SCREEN_STATE = 'screen-state';
return {
/* Possible UI states of the reset screen. */
RESET_SCREEN_UI_STATE: {
REVERT_PROMISE: 'ui-state-revert-promise',
RESTART_REQUIRED: 'ui-state-restart-required',
POWERWASH_PROPOSAL: 'ui-state-powerwash-proposal',
ROLLBACK_PROPOSAL: 'ui-state-rollback-proposal',
ERROR: 'ui-state-error',
},
RESET_SCREEN_STATE: {
RESTART_REQUIRED: 0,
REVERT_PROMISE: 1,
POWERWASH_PROPOSAL: 2, // supports 2 ui-states
ERROR: 3,
},
/** @override */
decorate: function() {
var self = this;
this.declareUserAction($('powerwash-help-link'),
{ action_id: USER_ACTION_LEARN_MORE_PRESSED,
event: 'click'
});
this.declareUserAction($('reset-confirm-dismiss'),
{ action_id: USER_ACTION_RESET_CONFIRM_DISMISSED,
event: 'click'
});
this.declareUserAction($('reset-confirm-commit'),
{ action_id: USER_ACTION_POWERWASH_PRESSED,
event: 'click'
});
this.context.addObserver(
CONTEXT_KEY_SCREEN_STATE,
function(state) {
if (state == self.RESET_SCREEN_STATE.RESTART_REQUIRED)
self.ui_state = self.RESET_SCREEN_UI_STATE.RESTART_REQUIRED;
if (state == self.RESET_SCREEN_STATE.REVERT_PROMISE)
self.ui_state = self.RESET_SCREEN_UI_STATE.REVERT_PROMISE;
else if (state == self.RESET_SCREEN_STATE.POWERWASH_PROPOSAL)
self.ui_state = self.RESET_SCREEN_UI_STATE.POWERWASH_PROPOSAL;
self.setDialogView_();
if (state == self.RESET_SCREEN_STATE.REVERT_PROMISE) {
announceAccessibleMessage(
loadTimeData.getString('resetRevertSpinnerMessage'));
}
}
);
this.context.addObserver(
CONTEXT_KEY_IS_OFFICIAL_BUILD,
function(isOfficial) {
$('powerwash-help-link').setAttribute('hidden', !isOfficial);
}
);
this.context.addObserver(
CONTEXT_KEY_ROLLBACK_CHECKED,
function(rollbackChecked) {
self.setRollbackOptionView();
}
);
this.context.addObserver(
CONTEXT_KEY_ROLLBACK_AVAILABLE,
function(rollbackAvailable) {
self.setRollbackOptionView();
}
);
this.context.addObserver(
CONTEXT_KEY_IS_CONFIRMATIONAL_VIEW,
function(is_confirmational) {
if (is_confirmational) {
console.log(self.context.get(CONTEXT_KEY_SCREEN_STATE, 0));
if (self.context.get(CONTEXT_KEY_SCREEN_STATE, 0) !=
self.RESET_SCREEN_STATE.POWERWASH_PROPOSAL)
return;
console.log(self);
reset.ConfirmResetOverlay.getInstance().initializePage();
} else {
$('overlay-reset').setAttribute('hidden', true);
}
}
);
},
/**
* Header text of the screen.
* @type {string}
*/
get header() {
return loadTimeData.getString('resetScreenTitle');
},
/**
* Buttons in oobe wizard's button strip.
* @type {array} Array of Buttons.
*/
get buttons() {
var buttons = [];
var restartButton = this.ownerDocument.createElement('button');
restartButton.id = 'reset-restart-button';
restartButton.textContent = loadTimeData.getString('resetButtonRestart');
this.declareUserAction(restartButton,
{ action_id: USER_ACTION_RESTART_PRESSED,
event: 'click'
});
buttons.push(restartButton);
// Button that leads to confirmation pop-up dialog.
var toConfirmButton = this.ownerDocument.createElement('button');
toConfirmButton.id = 'reset-toconfirm-button';
toConfirmButton.textContent =
loadTimeData.getString('resetButtonPowerwash');
this.declareUserAction(toConfirmButton,
{ action_id: USER_ACTION_SHOW_CONFIRMATION,
event: 'click'
});
buttons.push(toConfirmButton);
var cancelButton = this.ownerDocument.createElement('button');
cancelButton.id = 'reset-cancel-button';
cancelButton.textContent = loadTimeData.getString('cancelButton');
this.declareUserAction(cancelButton,
{ action_id: USER_ACTION_CANCEL_RESET,
event: 'click'
});
buttons.push(cancelButton);
return buttons;
},
/**
* Returns a control which should receive an initial focus.
*/
get defaultControl() {
// choose
if (this.context.get(CONTEXT_KEY_SCREEN_STATE,
this.RESET_SCREEN_STATE.RESTART_REQUIRED) ==
this.RESET_SCREEN_STATE.RESTART_REQUIRED)
return $('reset-restart-button');
if (this.context.get(CONTEXT_KEY_IS_CONFIRMATIONAL_VIEW, false))
return $('reset-confirm-commit');
return $('reset-toconfirm-button');
},
/**
* Cancels the reset and drops the user back to the login screen.
*/
cancel: function() {
if (this.context.get(CONTEXT_KEY_IS_CONFIRMATIONAL_VIEW, false)) {
$('reset').send(login.Screen.CALLBACK_USER_ACTED,
USER_ACTION_RESET_CONFIRM_DISMISSED);
return;
}
this.send(login.Screen.CALLBACK_USER_ACTED, USER_ACTION_CANCEL_RESET);
},
/**
* Event handler that is invoked just before the screen in shown.
* @param {Object} data Screen init payload.
*/
onBeforeShow: function(data) {
},
/**
* Sets css style for corresponding state of the screen.
* @private
*/
setDialogView_: function(state) {
state = this.ui_state;
var resetOverlay = $('reset-confirm-overlay');
this.classList.toggle(
'revert-promise-view',
state == this.RESET_SCREEN_UI_STATE.REVERT_PROMISE);
this.classList.toggle(
'restart-required-view',
state == this.RESET_SCREEN_UI_STATE.RESTART_REQUIRED);
this.classList.toggle(
'powerwash-proposal-view',
state == this.RESET_SCREEN_UI_STATE.POWERWASH_PROPOSAL);
resetOverlay.classList.toggle(
'powerwash-proposal-view',
state == this.RESET_SCREEN_UI_STATE.POWERWASH_PROPOSAL);
this.classList.toggle(
'rollback-proposal-view',
state == this.RESET_SCREEN_UI_STATE.ROLLBACK_PROPOSAL);
resetOverlay.classList.toggle(
'rollback-proposal-view',
state == this.RESET_SCREEN_UI_STATE.ROLLBACK_PROPOSAL);
},
setRollbackOptionView: function() {
if (this.context.get(CONTEXT_KEY_IS_CONFIRMATIONAL_VIEW, false))
return;
if (this.context.get(CONTEXT_KEY_SCREEN_STATE) !=
this.RESET_SCREEN_STATE.POWERWASH_PROPOSAL)
return;
if (this.context.get(CONTEXT_KEY_ROLLBACK_AVAILABLE, false) &&
this.context.get(CONTEXT_KEY_ROLLBACK_CHECKED, false)) {
// show rollback option
$('reset-toconfirm-button').textContent = loadTimeData.getString(
'resetButtonPowerwashAndRollback');
this.ui_state = this.RESET_SCREEN_UI_STATE.ROLLBACK_PROPOSAL;
} else {
// hide rollback option
$('reset-toconfirm-button').textContent = loadTimeData.getString(
'resetButtonPowerwash');
this.ui_state = this.RESET_SCREEN_UI_STATE.POWERWASH_PROPOSAL;
}
this.setDialogView_();
}
};
});
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