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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
* 'category-default-setting' is the polymer element for showing a certain
* category under Site Settings.
*/
Polymer({
is: 'category-default-setting',
behaviors: [SiteSettingsBehavior, WebUIListenerBehavior],
properties: {
/* The second line, shown under the |optionLabel_| line. (optional) */
optionDescription: String,
/* The second line, shown under the |subOptionLabel| line. (optional) */
subOptionDescription: String,
/* The sub-option is a separate toggle. Setting this label will show the
* additional toggle. Shown above |subOptionDescription|. (optional) */
subOptionLabel: String,
/* The on/off text for |optionLabel_| below. */
toggleOffLabel: String,
toggleOnLabel: String,
/** @private {chrome.settingsPrivate.PrefObject} */
controlParams_: {
type: Object,
value: function() {
return /** @type {chrome.settingsPrivate.PrefObject} */ ({});
},
},
/**
* The label to be shown next to the toggle (above |optionDescription|).
* This will be either toggleOffLabel or toggleOnLabel.
* @private
*/
optionLabel_: String,
/** @private {!DefaultContentSetting} */
priorDefaultContentSetting_: {
type: Object,
value: function() {
return /** @type {DefaultContentSetting} */ ({});
},
},
/**
* Cookies and Flash settings have a sub-control that is used to mimic a
* tri-state value.
* @private {chrome.settingsPrivate.PrefObject}
*/
subControlParams_: {
type: Object,
value: function() {
return /** @type {chrome.settingsPrivate.PrefObject} */ ({});
},
},
},
observers: [
'onCategoryChanged_(category)',
'onChangePermissionControl_(category, controlParams_.value, ' +
'subControlParams_.value)',
],
/** @override */
ready: function() {
this.addWebUIListener(
'contentSettingCategoryChanged', this.onCategoryChanged_.bind(this));
},
/** @return {boolean} */
get categoryEnabled() {
return !!assert(this.controlParams_).value;
},
/**
* A handler for changing the default permission value for a content type.
* This is also called during page setup after we get the default state.
* @private
*/
onChangePermissionControl_: function() {
if (this.category === undefined ||
this.controlParams_.value === undefined ||
this.subControlParams_.value === undefined) {
// Do nothing unless all dependencies are defined.
return;
}
// Don't override user settings with enforced settings.
if (this.controlParams_.enforcement ==
chrome.settingsPrivate.Enforcement.ENFORCED) {
return;
}
switch (this.category) {
case settings.ContentSettingsTypes.ADS:
case settings.ContentSettingsTypes.BACKGROUND_SYNC:
case settings.ContentSettingsTypes.IMAGES:
case settings.ContentSettingsTypes.JAVASCRIPT:
case settings.ContentSettingsTypes.SOUND:
case settings.ContentSettingsTypes.SENSORS:
case settings.ContentSettingsTypes.PAYMENT_HANDLER:
case settings.ContentSettingsTypes.POPUPS:
case settings.ContentSettingsTypes.PROTOCOL_HANDLERS:
// "Allowed" vs "Blocked".
this.browserProxy.setDefaultValueForContentType(
this.category,
this.categoryEnabled ? settings.ContentSetting.ALLOW :
settings.ContentSetting.BLOCK);
break;
case settings.ContentSettingsTypes.AUTOMATIC_DOWNLOADS:
case settings.ContentSettingsTypes.CAMERA:
case settings.ContentSettingsTypes.CLIPBOARD:
case settings.ContentSettingsTypes.GEOLOCATION:
case settings.ContentSettingsTypes.MIC:
case settings.ContentSettingsTypes.NOTIFICATIONS:
case settings.ContentSettingsTypes.UNSANDBOXED_PLUGINS:
case settings.ContentSettingsTypes.MIDI_DEVICES:
case settings.ContentSettingsTypes.USB_DEVICES:
case settings.ContentSettingsTypes.SERIAL_PORTS:
case settings.ContentSettingsTypes.BLUETOOTH_SCANNING:
case settings.ContentSettingsTypes.NATIVE_FILE_SYSTEM_WRITE:
// "Ask" vs "Blocked".
this.browserProxy.setDefaultValueForContentType(
this.category,
this.categoryEnabled ? settings.ContentSetting.ASK :
settings.ContentSetting.BLOCK);
break;
case settings.ContentSettingsTypes.COOKIES:
// This category is tri-state: "Allow", "Block", "Keep data until
// browser quits".
let value = settings.ContentSetting.BLOCK;
if (this.categoryEnabled) {
value = this.subControlParams_.value ?
settings.ContentSetting.SESSION_ONLY :
settings.ContentSetting.ALLOW;
}
this.browserProxy.setDefaultValueForContentType(this.category, value);
break;
case settings.ContentSettingsTypes.PLUGINS:
// "Run important content" vs. "Block".
this.browserProxy.setDefaultValueForContentType(
this.category,
this.categoryEnabled ? settings.ContentSetting.IMPORTANT_CONTENT :
settings.ContentSetting.BLOCK);
break;
default:
assertNotReached('Invalid category: ' + this.category);
}
},
/**
* Update the control parameter values from the content settings.
* @param {!DefaultContentSetting} update
* @private
*/
updateControlParams_: function(update) {
// Early out if there is no actual change.
if (this.priorDefaultContentSetting_.setting == update.setting &&
this.priorDefaultContentSetting_.source == update.source) {
return;
}
this.priorDefaultContentSetting_ = update;
const basePref = {
'key': 'controlParams',
'type': chrome.settingsPrivate.PrefType.BOOLEAN,
};
if (update.source !== undefined &&
update.source != ContentSettingProvider.PREFERENCE) {
basePref.enforcement = chrome.settingsPrivate.Enforcement.ENFORCED;
basePref.controlledBy =
update.source == ContentSettingProvider.EXTENSION ?
chrome.settingsPrivate.ControlledBy.EXTENSION :
chrome.settingsPrivate.ControlledBy.USER_POLICY;
}
const prefValue = this.computeIsSettingEnabled(update.setting);
// The controlParams_ must be replaced (rather than just value changes) so
// that observers will be notified of the change.
this.controlParams_ = /** @type {chrome.settingsPrivate.PrefObject} */ (
Object.assign({'value': prefValue}, basePref));
const subPrefValue =
this.category == settings.ContentSettingsTypes.COOKIES &&
update.setting == settings.ContentSetting.SESSION_ONLY;
// The subControlParams_ must be replaced (rather than just value changes)
// so that observers will be notified of the change.
this.subControlParams_ = /** @type {chrome.settingsPrivate.PrefObject} */ (
Object.assign({'value': subPrefValue}, basePref));
},
/**
* Handles changes to the category pref and the |category| member variable.
* @private
*/
onCategoryChanged_: function() {
this.browserProxy.getDefaultValueForContentType(this.category)
.then(defaultValue => {
this.updateControlParams_(defaultValue);
const categoryEnabled =
this.computeIsSettingEnabled(defaultValue.setting);
this.optionLabel_ =
categoryEnabled ? this.toggleOnLabel : this.toggleOffLabel;
});
},
/**
* @return {boolean}
* @private
*/
isToggleDisabled_: function() {
return this.category == settings.ContentSettingsTypes.POPUPS &&
loadTimeData.getBoolean('isGuest');
},
});
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