зеркало из https://github.com/mozilla/gecko-dev.git
77 строки
2.2 KiB
JavaScript
77 строки
2.2 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* eslint-env mozilla/frame-script */
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/* global api, CopyPasteAssistent */
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"use strict";
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var {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm");
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function debug(msg) {
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// dump("BrowserElementChild - " + msg + "\n");
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}
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// NB: this must happen before we process any messages from
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// mozbrowser API clients.
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docShell.isActive = true;
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function parentDocShell(docshell) {
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if (!docshell) {
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return null;
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}
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let treeitem = docshell.QueryInterface(Ci.nsIDocShellTreeItem);
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return treeitem.parent ? treeitem.parent.QueryInterface(Ci.nsIDocShell) : null;
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}
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function isTopBrowserElement(docShell) {
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while (docShell) {
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docShell = parentDocShell(docShell);
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if (docShell && docShell.isMozBrowser) {
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return false;
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}
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}
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return true;
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}
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var BrowserElementIsReady;
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debug(`Might load BE scripts: BEIR: ${BrowserElementIsReady}`);
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if (!BrowserElementIsReady) {
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debug("Loading BE scripts");
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if (!("BrowserElementIsPreloaded" in this)) {
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if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT) {
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// general content apps
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if (isTopBrowserElement(docShell)) {
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Services.scriptloader.loadSubScript("chrome://global/content/BrowserElementCopyPaste.js", this);
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}
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} else {
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// rocketbar in system app and other in-process case (ex. B2G desktop client)
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Services.scriptloader.loadSubScript("chrome://global/content/BrowserElementCopyPaste.js", this);
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}
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Services.scriptloader.loadSubScript("chrome://global/content/BrowserElementChildPreload.js", this);
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}
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function onDestroy() {
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removeMessageListener("browser-element-api:destroy", onDestroy);
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if (api) {
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api.destroy();
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}
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if ("CopyPasteAssistent" in this) {
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CopyPasteAssistent.destroy();
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}
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BrowserElementIsReady = false;
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}
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addMessageListener("browser-element-api:destroy", onDestroy);
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BrowserElementIsReady = true;
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} else {
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debug("BE already loaded, abort");
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}
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sendAsyncMessage("browser-element-api:call", { "msg_name": "hello" });
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