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Rename Toolkit's webextensions component directory to better reflect what it is.

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NTD 2018-02-09 11:10:00 -05:00 • committed by Roy Tam
commit d7d16e7fbb
242 changed files with 4 additions and 2 deletions
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147
toolkit/components/extensions/ext-backgroundPage.js
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@ -1,147 +0,0 @@
"use strict";
var {interfaces: Ci, utils: Cu} = Components;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/Task.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "AddonManager",
"resource://gre/modules/AddonManager.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
"resource://gre/modules/PrivateBrowsingUtils.jsm");
Cu.import("resource://gre/modules/ExtensionUtils.jsm");
const {
promiseDocumentLoaded,
promiseObserved,
} = ExtensionUtils;
const XUL_URL = "data:application/vnd.mozilla.xul+xml;charset=utf-8," + encodeURI(
`<?xml version="1.0"?>
<window id="documentElement"/>`);
// WeakMap[Extension -> BackgroundPage]
var backgroundPagesMap = new WeakMap();
// Responsible for the background_page section of the manifest.
function BackgroundPage(options, extension) {
this.extension = extension;
this.page = options.page || null;
this.isGenerated = !!options.scripts;
this.windowlessBrowser = null;
this.webNav = null;
}
BackgroundPage.prototype = {
build: Task.async(function* () {
let windowlessBrowser = Services.appShell.createWindowlessBrowser(true);
this.windowlessBrowser = windowlessBrowser;
let url;
if (this.page) {
url = this.extension.baseURI.resolve(this.page);
} else if (this.isGenerated) {
url = this.extension.baseURI.resolve("_generated_background_page.html");
}
if (!this.extension.isExtensionURL(url)) {
this.extension.manifestError("Background page must be a file within the extension");
url = this.extension.baseURI.resolve("_blank.html");
}
let system = Services.scriptSecurityManager.getSystemPrincipal();
// The windowless browser is a thin wrapper around a docShell that keeps
// its related resources alive. It implements nsIWebNavigation and
// forwards its methods to the underlying docShell, but cannot act as a
// docShell itself. Calling `getInterface(nsIDocShell)` gives us the
// underlying docShell, and `QueryInterface(nsIWebNavigation)` gives us
// access to the webNav methods that are already available on the
// windowless browser, but contrary to appearances, they are not the same
// object.
let chromeShell = windowlessBrowser.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDocShell)
.QueryInterface(Ci.nsIWebNavigation);
if (PrivateBrowsingUtils.permanentPrivateBrowsing) {
let attrs = chromeShell.getOriginAttributes();
attrs.privateBrowsingId = 1;
chromeShell.setOriginAttributes(attrs);
}
chromeShell.useGlobalHistory = false;
chromeShell.createAboutBlankContentViewer(system);
chromeShell.loadURI(XUL_URL, 0, null, null, null);
yield promiseObserved("chrome-document-global-created",
win => win.document == chromeShell.document);
let chromeDoc = yield promiseDocumentLoaded(chromeShell.document);
let browser = chromeDoc.createElement("browser");
browser.setAttribute("type", "content");
browser.setAttribute("disableglobalhistory", "true");
chromeDoc.documentElement.appendChild(browser);
extensions.emit("extension-browser-inserted", browser);
browser.messageManager.sendAsyncMessage("Extension:InitExtensionView", {
viewType: "background",
url,
});
yield new Promise(resolve => {
browser.messageManager.addMessageListener("Extension:ExtensionViewLoaded", function onLoad() {
browser.messageManager.removeMessageListener("Extension:ExtensionViewLoaded", onLoad);
resolve();
});
});
// TODO(robwu): This is not webext-oop compatible.
this.webNav = browser.docShell.QueryInterface(Ci.nsIWebNavigation);
let window = this.webNav.document.defaultView;
// Set the add-on's main debugger global, for use in the debugger
// console.
if (this.extension.addonData.instanceID) {
AddonManager.getAddonByInstanceID(this.extension.addonData.instanceID)
.then(addon => addon.setDebugGlobal(window));
}
this.extension.emit("startup");
}),
shutdown() {
if (this.extension.addonData.instanceID) {
AddonManager.getAddonByInstanceID(this.extension.addonData.instanceID)
.then(addon => addon.setDebugGlobal(null));
}
// Navigate away from the background page to invalidate any
// setTimeouts or other callbacks.
if (this.webNav) {
this.webNav.loadURI("about:blank", 0, null, null, null);
this.webNav = null;
}
this.windowlessBrowser.loadURI("about:blank", 0, null, null, null);
this.windowlessBrowser.close();
this.windowlessBrowser = null;
},
};
/* eslint-disable mozilla/balanced-listeners */
extensions.on("manifest_background", (type, directive, extension, manifest) => {
let bgPage = new BackgroundPage(manifest.background, extension);
backgroundPagesMap.set(extension, bgPage);
return bgPage.build();
});
extensions.on("shutdown", (type, extension) => {
if (backgroundPagesMap.has(extension)) {
backgroundPagesMap.get(extension).shutdown();
backgroundPagesMap.delete(extension);
}
});
/* eslint-enable mozilla/balanced-listeners */