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// Copyright (c) 2010 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, 'importDataOverlay',
templateData.import_data_title,
'importDataOverlay');
}
ImportDataOverlay.throbIntervalId = 0;
cr.addSingletonGetter(ImportDataOverlay);
ImportDataOverlay.prototype = {
// Inherit from OptionsPage.
__proto__: OptionsPage.prototype,
/**
* Initialize the page.
*/
initializePage: function() {
// Call base class implementation to starts 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();
}
},
/**
* 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;
},
/**
* 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.disabled = !enabled;
checkbox.checked = enabled;
},
/**
* Update the enabled and checked states of all checkboxes.
* @private
*/
updateCheckboxes_: function() {
var index = $('import-browsers').selectedIndex;
var browserProfile = ImportDataOverlay.browserProfiles[index];
var importOptions = ['history', 'favorites', 'passwords', 'search'];
for (var i = 0; i < importOptions.length; i++) {
var checkbox = $('import-' + importOptions[i]);
this.setUpCheckboxState_(checkbox, browserProfile[importOptions[i]]);
}
},
/**
* Update the supported browsers popup with given entries.
* @param {array} browsers List of supported browsers name.
* @private
*/
updateSupportedBrowsers_: function(browsers) {
ImportDataOverlay.browserProfiles = browsers;
var browserSelect = $('import-browsers');
browserSelect.textContent = '';
var browserCount = browsers.length;
if (browserCount == 0) {
var option = new Option(templateData.no_profile_found, 0);
browserSelect.appendChild(option);
var checkboxes =
document.querySelectorAll(
'#import-checkboxes input[type=checkbox]');
for (var i = 0; i < checkboxes.length; i++) {
this.setUpCheckboxState_(checkboxes[i], false);
}
} else {
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_();
}
},
};
/**
* 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) {
if (state) {
var checkboxes =
document.querySelectorAll('#import-checkboxes input[type=checkbox]');
for (var i = 0; i < checkboxes.length; i++) {
checkboxes[i].disabled = true;
}
} else {
ImportDataOverlay.getInstance().updateCheckboxes_();
}
$('import-browsers').disabled = state;
$('import-data-commit').disabled = state;
$('import-throbber').style.visibility = state ? "visible" : "hidden";
function advanceThrobber() {
var throbber = $('import-throbber');
throbber.style.backgroundPositionX =
((parseInt(getComputedStyle(throbber).backgroundPositionX, 10) - 16)
% 576) + 'px';
}
if (state) {
ImportDataOverlay.throbIntervalId = setInterval(advanceThrobber, 30);
} else {
clearInterval(ImportDataOverlay.throbIntervalId);
}
};
/**
* Remove the import overlay from display.
*/
ImportDataOverlay.dismiss = function() {
ImportDataOverlay.setImportingState(false);
OptionsPage.clearOverlays();
}
// Export
return {
ImportDataOverlay: ImportDataOverlay
};
});
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