mirror of
https://github.com/GoogleChrome/chrome-extensions-samples.git
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5bf419b385
* Remove docs folder. This was a redirect from a GitHub pages site that does not appear to be in use. * Rename api folder to api-samples. * Move examples to functional-samples folder. * Move cookbook sample to functional-samples. * Move tutorials to functional-samples folder. * Move mv2 and apps folders to _archive. * Rename tools folder to .repo. * Move reference folder to functional-samples. * Update README. Update README with new relative links for reorg. * Update README.md Co-authored-by: amysteamdev <37001393+AmySteam@users.noreply.github.com> --------- Co-authored-by: amysteamdev <37001393+AmySteam@users.noreply.github.com>
102 lines
2.5 KiB
JavaScript
102 lines
2.5 KiB
JavaScript
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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/**
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* States that the extension can be in.
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*/
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var StateEnum = {
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DISABLED: 'disabled',
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DISPLAY: 'display',
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SYSTEM: 'system'
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};
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/**
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* Key used for storing the current state in {localStorage}.
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*/
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var STATE_KEY = 'state';
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/**
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* Loads the locally-saved state asynchronously.
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* @param {function} callback Callback invoked with the loaded {StateEnum}.
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*/
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function loadSavedState(callback) {
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chrome.storage.local.get(STATE_KEY, function(items) {
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var savedState = items[STATE_KEY];
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for (var key in StateEnum) {
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if (savedState == StateEnum[key]) {
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callback(savedState);
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return;
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}
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}
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callback(StateEnum.DISABLED);
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});
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}
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/**
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* Switches to a new state.
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* @param {string} newState New {StateEnum} to use.
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*/
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function setState(newState) {
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var imagePrefix = 'night';
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var title = '';
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switch (newState) {
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case StateEnum.DISABLED:
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chrome.power.releaseKeepAwake();
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imagePrefix = 'night';
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title = chrome.i18n.getMessage('disabledTitle');
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break;
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case StateEnum.DISPLAY:
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chrome.power.requestKeepAwake('display');
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imagePrefix = 'day';
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title = chrome.i18n.getMessage('displayTitle');
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break;
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case StateEnum.SYSTEM:
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chrome.power.requestKeepAwake('system');
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imagePrefix = 'sunset';
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title = chrome.i18n.getMessage('systemTitle');
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break;
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default:
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throw 'Invalid state "' + newState + '"';
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}
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var items = {};
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items[STATE_KEY] = newState;
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chrome.storage.local.set(items);
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chrome.browserAction.setIcon({
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path: {
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'19': 'images/' + imagePrefix + '-19.png',
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'38': 'images/' + imagePrefix + '-38.png'
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}
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});
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chrome.browserAction.setTitle({title: title});
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}
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chrome.browserAction.onClicked.addListener(function() {
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loadSavedState(function(state) {
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switch (state) {
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case StateEnum.DISABLED:
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setState(StateEnum.DISPLAY);
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break;
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case StateEnum.DISPLAY:
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setState(StateEnum.SYSTEM);
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break;
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case StateEnum.SYSTEM:
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setState(StateEnum.DISABLED);
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break;
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default:
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throw 'Invalid state "' + state + '"';
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}
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});
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});
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chrome.runtime.onStartup.addListener(function() {
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loadSavedState(function(state) { setState(state); });
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});
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chrome.runtime.onInstalled.addListener(function(details) {
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loadSavedState(function(state) { setState(state); });
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});
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