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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.
cr.define('options', function() {
var OptionsPage = options.OptionsPage;
/**
* ImportDataOverlay class
* Encapsulated handling of the 'Import Data' overlay page.
* @class
*/
function ImportDataOverlay() {
OptionsPage.call(this,
'importData',
loadTimeData.getString('importDataOverlayTabTitle'),
'import-data-overlay');
}
cr.addSingletonGetter(ImportDataOverlay);
ImportDataOverlay.prototype = {
// Inherit from OptionsPage.
__proto__: OptionsPage.prototype,
/**
* Initialize the page.
*/
initializePage: function() {
// Call base class implementation to start preference initialization.
OptionsPage.prototype.initializePage.call(this);
var self = this;
var checkboxes =
document.querySelectorAll('#import-checkboxes input[type=checkbox]');
for (var i = 0; i < checkboxes.length; i++) {
checkboxes[i].onchange = function() {
self.validateCommitButton_();
};
}
$('import-browsers').onchange = function() {
self.updateCheckboxes_();
self.validateCommitButton_();
};
$('import-data-commit').onclick = function() {
chrome.send('importData', [
String($('import-browsers').selectedIndex),
String($('import-history').checked),
String($('import-favorites').checked),
String($('import-passwords').checked),
String($('import-search').checked)]);
};
$('import-data-cancel').onclick = function() {
ImportDataOverlay.dismiss();
};
$('import-data-show-bookmarks-bar').onchange = function() {
// Note: The callback 'toggleShowBookmarksBar' is handled within the
// browser options handler -- rather than the import data handler --
// as the implementation is shared by several clients.
chrome.send('toggleShowBookmarksBar');
}
$('import-data-confirm').onclick = function() {
ImportDataOverlay.dismiss();
};
// Form controls are disabled until the profile list has been loaded.
self.setControlsSensitive_(false);
},
/**
* Set enabled and checked state of the commit button.
* @private
*/
validateCommitButton_: function() {
var somethingToImport =
$('import-history').checked || $('import-favorites').checked ||
$('import-passwords').checked || $('import-search').checked;
$('import-data-commit').disabled = !somethingToImport;
},
/**
* Sets the sensitivity of all the checkboxes and the commit button.
* @private
*/
setControlsSensitive_: function(sensitive) {
var checkboxes =
document.querySelectorAll('#import-checkboxes input[type=checkbox]');
for (var i = 0; i < checkboxes.length; i++)
this.setUpCheckboxState_(checkboxes[i], sensitive);
$('import-data-commit').disabled = !sensitive;
},
/**
* Set enabled and checked states a checkbox element.
* @param {Object} checkbox A checkbox element.
* @param {boolean} enabled The enabled state of the chekbox.
* @private
*/
setUpCheckboxState_: function(checkbox, enabled) {
checkbox.setDisabled('noProfileData', !enabled);
},
/**
* Update the enabled and checked states of all checkboxes.
* @private
*/
updateCheckboxes_: function() {
var index = $('import-browsers').selectedIndex;
var browserProfile;
if (this.browserProfiles.length > index)
browserProfile = this.browserProfiles[index];
var importOptions = ['history', 'favorites', 'passwords', 'search'];
for (var i = 0; i < importOptions.length; i++) {
var checkbox = $('import-' + importOptions[i]);
var enable = browserProfile && browserProfile[importOptions[i]];
this.setUpCheckboxState_(checkbox, enable);
}
},
/**
* Update the supported browsers popup with given entries.
* @param {array} browsers List of supported browsers name.
* @private
*/
updateSupportedBrowsers_: function(browsers) {
this.browserProfiles = browsers;
var browserSelect = $('import-browsers');
browserSelect.remove(0); // Remove the 'Loading...' option.
browserSelect.textContent = '';
var browserCount = browsers.length;
if (browserCount == 0) {
var option = new Option(loadTimeData.getString('noProfileFound'), 0);
browserSelect.appendChild(option);
this.setControlsSensitive_(false);
} else {
this.setControlsSensitive_(true);
for (var i = 0; i < browserCount; i++) {
var browser = browsers[i];
var option = new Option(browser.name, browser.index);
browserSelect.appendChild(option);
}
this.updateCheckboxes_();
this.validateCommitButton_();
}
},
/**
* Clear import prefs set when user checks/unchecks a checkbox so that each
* checkbox goes back to the default "checked" state (or alternatively, to
* the state set by a recommended policy).
* @private
*/
clearUserPrefs_: function() {
var importPrefs = ['import_history',
'import_bookmarks',
'import_saved_passwords',
'import_search_engine'];
for (var i = 0; i < importPrefs.length; i++)
Preferences.clearPref(importPrefs[i], true);
},
/**
* Update the dialog layout to reflect success state.
* @param {boolean} success If true, show success dialog elements.
* @private
*/
updateSuccessState_: function(success) {
var sections = document.querySelectorAll('.import-data-configure');
for (var i = 0; i < sections.length; i++)
sections[i].hidden = success;
sections = document.querySelectorAll('.import-data-success');
for (var i = 0; i < sections.length; i++)
sections[i].hidden = !success;
},
};
ImportDataOverlay.clearUserPrefs = function() {
ImportDataOverlay.getInstance().clearUserPrefs_();
};
/**
* Update the supported browsers popup with given entries.
* @param {array} list of supported browsers name.
*/
ImportDataOverlay.updateSupportedBrowsers = function(browsers) {
ImportDataOverlay.getInstance().updateSupportedBrowsers_(browsers);
};
/**
* Update the UI to reflect whether an import operation is in progress.
* @param {boolean} state True if an import operation is in progress.
*/
ImportDataOverlay.setImportingState = function(state) {
var checkboxes =
document.querySelectorAll('#import-checkboxes input[type=checkbox]');
for (var i = 0; i < checkboxes.length; i++)
checkboxes[i].setDisabled('Importing', state);
if (!state)
ImportDataOverlay.getInstance().updateCheckboxes_();
$('import-browsers').disabled = state;
$('import-throbber').style.visibility = state ? 'visible' : 'hidden';
ImportDataOverlay.getInstance().validateCommitButton_();
};
/**
* Remove the import overlay from display.
*/
ImportDataOverlay.dismiss = function() {
ImportDataOverlay.clearUserPrefs();
OptionsPage.closeOverlay();
};
/**
* Show a message confirming the success of the import operation.
*/
ImportDataOverlay.confirmSuccess = function() {
var showBookmarksMessage = $('import-favorites').checked;
ImportDataOverlay.setImportingState(false);
$('import-find-your-bookmarks').hidden = !showBookmarksMessage;
ImportDataOverlay.getInstance().updateSuccessState_(true);
};
/**
* Show the import data overlay.
*/
ImportDataOverlay.show = function() {
// Make sure that any previous import success message is hidden, and
// we're showing the UI to import further data.
ImportDataOverlay.getInstance().updateSuccessState_(false);
OptionsPage.navigateToPage('importData');
};
// Export
return {
ImportDataOverlay: ImportDataOverlay
};
});
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