Index: chrome/common/extensions/docs/examples/api/transientPage/basic/background.js |
diff --git a/chrome/common/extensions/docs/examples/api/transientPage/basic/background.js b/chrome/common/extensions/docs/examples/api/transientPage/basic/background.js |
deleted file mode 100644 |
index 48c5e0161145059e5dffcbadd1e3c5a238211602..0000000000000000000000000000000000000000 |
--- a/chrome/common/extensions/docs/examples/api/transientPage/basic/background.js |
+++ /dev/null |
@@ -1,90 +0,0 @@ |
-// 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. |
- |
-// Global variables only exist for the life of the page, so they get reset |
-// each time the page is unloaded. |
-var counter = 1; |
- |
-var lastTabId = -1; |
-function sendMessage() { |
- chrome.tabs.query({active: true, currentWindow: true}, function(tabs) { |
- lastTabId = tabs[0].id; |
- chrome.tabs.sendMessage(lastTabId, "Background page started."); |
- }); |
-} |
- |
-sendMessage(); |
-chrome.browserAction.setBadgeText({text: "ON"}); |
-console.log("Loaded."); |
- |
-chrome.experimental.runtime.onInstalled.addListener(function() { |
- console.log("Installed."); |
- |
- // localStorage is persisted, so it's a good place to keep state that you |
- // need to persist across page reloads. |
- localStorage.counter = 1; |
- |
- // Register a webRequest rule to redirect bing to google. |
- var wr = chrome.experimental.webRequest; |
- chrome.experimental.webRequest.onRequest.addRules([{ |
- id: "0", |
- conditions: [new wr.RequestMatcher({url: {hostSuffix: "bing.com"}})], |
- actions: [new wr.RedirectRequest({redirectUrl: "http://google.com"})] |
- }]); |
-}); |
- |
-chrome.bookmarks.onRemoved.addListener(function(id, info) { |
- alert("I never liked that site anyway."); |
-}); |
- |
-chrome.browserAction.onClicked.addListener(function() { |
- // The transient page will unload after handling this event (assuming nothing |
- // else is keeping it awake). The content script will become the main way to |
- // interact with us. |
- chrome.tabs.executeScript({file: "content.js"}, function() { |
- // Note: we also sent a message above, upon loading the transient page, |
- // but the content script will not be loaded at that point, so we send |
- // another here. |
- sendMessage(); |
- }); |
-}); |
- |
-chrome.experimental.keybinding.onCommand.addListener(function(command) { |
- chrome.tabs.create({url: "http://www.google.com/"}); |
-}); |
- |
-chrome.extension.onMessage.addListener(function(msg, _, sendResponse) { |
- if (msg.setAlarm) { |
- chrome.experimental.alarms.create({delayInSeconds: 5}); |
- } else if (msg.delayedResponse) { |
- // Note: setTimeout itself does NOT keep the page awake. We return true |
- // from the onMessage event handler, which keeps the message channel open - |
- // in turn keeping the transient page awake - until we call sendResponse. |
- setTimeout(function() { |
- sendResponse("Got your message."); |
- }, 5000); |
- return true; |
- } else if (msg.getCounters) { |
- sendResponse({counter: counter++, |
- persistentCounter: localStorage.counter++}); |
- } |
- // If we don't return anything, the message channel will close, regardless |
- // of whether we called sendResponse. |
-}); |
- |
-chrome.experimental.alarms.onAlarm.addListener(function() { |
- alert("Time's up!"); |
-}); |
- |
-chrome.experimental.runtime.onBackgroundPageUnloadingSoon.addListener( |
- function() { |
- chrome.tabs.query({active: true, currentWindow: true}, function(tabs) { |
- // After the unload event listener runs, the page will unload, so any |
- // asynchronous callbacks will not fire. |
- alert("This does not show up."); |
- }); |
- console.log("Unloading."); |
- chrome.browserAction.setBadgeText({text: ""}); |
- chrome.tabs.sendMessage(lastTabId, "Background page unloaded."); |
-}); |