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Support syncing of settings in Chrome extension

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Use chrome.storage.sync to store preferences instead of
chrome.storage.local, to allow settings to be synchronized if the user
chooses to sign in in Chrome and enables synchronization of extension
preferences.
This commit is contained in:
Rob Wu 2016-05-23 15:50:07 +02:00
parent 78359d8b03
commit 0be8e72d6f
4 changed files with 91 additions and 10 deletions
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20
extensions/chromium/options/options.js
View file

@ -16,9 +16,15 @@ limitations under the License.
/* globals chrome, Promise */
'use strict';
var storageAreaName = chrome.storage.sync ? 'sync' : 'local';
var storageArea = chrome.storage[storageAreaName];
Promise.all([
new Promise(function getManagedPrefs(resolve) {
if (!chrome.storage.managed) {
resolve({});
return;
}
// Get preferences as set by the system administrator.
chrome.storage.managed.get(null, function(prefs) {
// Managed storage may be disabled, e.g. in Opera.
@ -26,7 +32,7 @@ Promise.all([
});
}),
new Promise(function getUserPrefs(resolve) {
chrome.storage.local.get(null, function(prefs) {
storageArea.get(null, function(prefs) {
resolve(prefs || {});
});
}),
@ -93,7 +99,7 @@ Promise.all([
// Reset button to restore default settings.
document.getElementById('reset-button').onclick = function() {
userPrefs = {};
chrome.storage.local.remove(prefNames, function() {
storageArea.remove(prefNames, function() {
renderedPrefNames.forEach(function(prefName) {
renderPreferenceFunctions[prefName](getPrefValue(prefName));
});
@ -102,7 +108,7 @@ Promise.all([
// Automatically update the UI when the preferences were changed elsewhere.
chrome.storage.onChanged.addListener(function(changes, areaName) {
var prefs = areaName === 'local' ? userPrefs :
var prefs = areaName === storageAreaName ? userPrefs :
areaName === 'managed' ? managedPrefs : null;
if (prefs) {
renderedPrefNames.forEach(function(prefName) {
@ -136,7 +142,7 @@ function renderBooleanPref(shortDescription, description, prefName) {
checkbox.onchange = function() {
var pref = {};
pref[prefName] = this.checked;
chrome.storage.local.set(pref);
storageArea.set(pref);
};
wrapper.querySelector('span').textContent = shortDescription;
document.getElementById('settings-boxes').appendChild(wrapper);
@ -151,7 +157,7 @@ function renderDefaultZoomValue(shortDescription) {
var wrapper = importTemplate('defaultZoomValue-template');
var select = wrapper.querySelector('select');
select.onchange = function() {
chrome.storage.local.set({
storageArea.set({
defaultZoomValue: this.value
});
};
@ -180,7 +186,7 @@ function renderSidebarViewOnLoad(shortDescription) {
var wrapper = importTemplate('sidebarViewOnLoad-template');
var select = wrapper.querySelector('select');
select.onchange = function() {
chrome.storage.local.set({
storageArea.set({
sidebarViewOnLoad: parseInt(this.value)
});
};
@ -197,7 +203,7 @@ function renderExternalLinkTarget(shortDescription) {
var wrapper = importTemplate('externalLinkTarget-template');
var select = wrapper.querySelector('select');
select.onchange = function() {
chrome.storage.local.set({
storageArea.set({
externalLinkTarget: parseInt(this.value)
});
};