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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
/* globals ExtensionAPI, Services, XPCOMUtils */
const CACHED_STYLESHEETS = new WeakMap();
ChromeUtils.defineESModuleGetters(this, {
FormAutofill: "resource://autofill/FormAutofill.sys.mjs",
FormAutofillParent: "resource://autofill/FormAutofillParent.sys.mjs",
FormAutofillStatus: "resource://autofill/FormAutofillParent.sys.mjs",
AutoCompleteParent: "resource://gre/actors/AutoCompleteParent.sys.mjs",
});
XPCOMUtils.defineLazyServiceGetter(
this,
"resProto",
"@mozilla.org/network/protocol;1?name=resource",
"nsISubstitutingProtocolHandler"
);
const RESOURCE_HOST = "formautofill";
function insertStyleSheet(domWindow, url) {
let doc = domWindow.document;
let styleSheetAttr = `href="${url}" type="text/css"`;
let styleSheet = doc.createProcessingInstruction(
"xml-stylesheet",
styleSheetAttr
);
doc.insertBefore(styleSheet, doc.documentElement);
if (CACHED_STYLESHEETS.has(domWindow)) {
CACHED_STYLESHEETS.get(domWindow).push(styleSheet);
} else {
CACHED_STYLESHEETS.set(domWindow, [styleSheet]);
}
}
function ensureCssLoaded(domWindow) {
if (CACHED_STYLESHEETS.has(domWindow)) {
// This window already has autofill stylesheets.
return;
}
insertStyleSheet(domWindow, "chrome://formautofill/content/formautofill.css");
insertStyleSheet(
domWindow,
"chrome://formautofill/content/skin/autocomplete-item-shared.css"
);
insertStyleSheet(
domWindow,
"chrome://formautofill/content/skin/autocomplete-item.css"
);
}
this.formautofill = class extends ExtensionAPI {
/**
* Adjusts and checks form autofill preferences during startup.
*
* @param {boolean} addressAutofillAvailable
* @param {boolean} creditCardAutofillAvailable
*/
adjustAndCheckFormAutofillPrefs(
addressAutofillAvailable,
creditCardAutofillAvailable
) {
// Reset the sync prefs in case the features were previously available
// but aren't now.
if (!creditCardAutofillAvailable) {
Services.prefs.clearUserPref(
"services.sync.engine.creditcards.available"
);
}
if (!addressAutofillAvailable) {
Services.prefs.clearUserPref("services.sync.engine.addresses.available");
}
if (!addressAutofillAvailable && !creditCardAutofillAvailable) {
Services.prefs.clearUserPref("dom.forms.autocomplete.formautofill");
Services.telemetry.scalarSet("formautofill.availability", false);
return;
}
// This pref is used for web contents to detect the autocomplete feature.
// When it's true, "element.autocomplete" will return tokens we currently
// support -- otherwise it'll return an empty string.
Services.prefs.setBoolPref("dom.forms.autocomplete.formautofill", true);
Services.telemetry.scalarSet("formautofill.availability", true);
// These "*.available" prefs determines whether the "addresses"/"creditcards" sync engine is
// available (ie, whether it is shown in any UI etc) - it *does not* determine
// whether the engine is actually enabled or not.
if (FormAutofill.isAutofillAddressesAvailable) {
Services.prefs.setBoolPref(
"services.sync.engine.addresses.available",
true
);
} else {
Services.prefs.clearUserPref("services.sync.engine.addresses.available");
}
if (FormAutofill.isAutofillCreditCardsAvailable) {
Services.prefs.setBoolPref(
"services.sync.engine.creditcards.available",
true
);
} else {
Services.prefs.clearUserPref(
"services.sync.engine.creditcards.available"
);
}
}
onStartup() {
// We have to do this before actually determining if we're enabled, since
// there are scripts inside of the core browser code that depend on the
// FormAutofill JSMs being registered.
let uri = Services.io.newURI("chrome/res/", null, this.extension.rootURI);
resProto.setSubstitution(RESOURCE_HOST, uri);
let aomStartup = Cc[
"@mozilla.org/addons/addon-manager-startup;1"
].getService(Ci.amIAddonManagerStartup);
const manifestURI = Services.io.newURI(
"manifest.json",
null,
this.extension.rootURI
);
this.chromeHandle = aomStartup.registerChrome(manifestURI, [
["content", "formautofill", "chrome/content/"],
]);
// Until we move to fluent (bug 1446164), we're stuck with
// chrome.manifest for handling localization since its what the
// build system can handle for localized repacks.
if (this.extension.rootURI instanceof Ci.nsIJARURI) {
this.autofillManifest = this.extension.rootURI.JARFile.QueryInterface(
Ci.nsIFileURL
).file;
} else if (this.extension.rootURI instanceof Ci.nsIFileURL) {
this.autofillManifest = this.extension.rootURI.file;
}
if (this.autofillManifest) {
Components.manager.addBootstrappedManifestLocation(this.autofillManifest);
} else {
console.error(
"Cannot find formautofill chrome.manifest for registring translated strings"
);
}
let addressAutofillAvailable = FormAutofill.isAutofillAddressesAvailable;
let creditCardAutofillAvailable =
FormAutofill.isAutofillCreditCardsAvailable;
this.adjustAndCheckFormAutofillPrefs(
addressAutofillAvailable,
creditCardAutofillAvailable
);
if (!creditCardAutofillAvailable && !addressAutofillAvailable) {
return;
}
// Listen for the autocomplete popup message
// or the form submitted message (which may trigger a
// doorhanger) to lazily append our stylesheets related
// to the autocomplete feature.
AutoCompleteParent.addPopupStateListener(ensureCssLoaded);
FormAutofillParent.addMessageObserver(this);
this.onFormSubmitted = (data, window) => ensureCssLoaded(window);
FormAutofillStatus.init();
ChromeUtils.registerWindowActor("FormAutofill", {
parent: {
esModuleURI: "resource://autofill/FormAutofillParent.sys.mjs",
},
child: {
esModuleURI: "resource://autofill/FormAutofillChild.sys.mjs",
events: {
focusin: {},
DOMFormBeforeSubmit: {},
},
},
allFrames: true,
});
}
onShutdown(isAppShutdown) {
if (isAppShutdown) {
return;
}
resProto.setSubstitution(RESOURCE_HOST, null);
this.chromeHandle.destruct();
this.chromeHandle = null;
if (this.autofillManifest) {
Components.manager.removeBootstrappedManifestLocation(
this.autofillManifest
);
}
ChromeUtils.unregisterWindowActor("FormAutofill");
AutoCompleteParent.removePopupStateListener(ensureCssLoaded);
FormAutofillParent.removeMessageObserver(this);
for (let win of Services.wm.getEnumerator("navigator:browser")) {
let cachedStyleSheets = CACHED_STYLESHEETS.get(win);
if (!cachedStyleSheets) {
continue;
}
while (cachedStyleSheets.length !== 0) {
cachedStyleSheets.pop().remove();
}
}
}
};
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