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Move Add-on SDK source to toolkit/jetpack

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NTD 2018-02-09 06:46:43 -05:00 • committed by Roy Tam
commit 23b67db438
993 changed files with 484 additions and 100663 deletions
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94
addon-sdk/source/lib/sdk/frame/utils.js
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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';
module.metadata = {
"stability": "experimental"
};
const { Ci } = require("chrome");
const XUL = 'http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul';
function eventTarget(frame) {
return getDocShell(frame).chromeEventHandler;
}
exports.eventTarget = eventTarget;
function getDocShell(frame) {
let { frameLoader } = frame.QueryInterface(Ci.nsIFrameLoaderOwner);
return frameLoader && frameLoader.docShell;
}
exports.getDocShell = getDocShell;
/**
* Creates a XUL `browser` element in a privileged document.
* @params {nsIDOMDocument} document
* @params {String} options.type
* By default is 'content' for possible values see:
* https://developer.mozilla.org/en/XUL/iframe#a-browser.type
* @params {String} options.uri
* URI of the document to be loaded into created frame.
* @params {Boolean} options.remote
* If `true` separate process will be used for this frame, also in such
* case all the following options are ignored.
* @params {Boolean} options.allowAuth
* Whether to allow auth dialogs. Defaults to `false`.
* @params {Boolean} options.allowJavascript
* Whether to allow Javascript execution. Defaults to `false`.
* @params {Boolean} options.allowPlugins
* Whether to allow plugin execution. Defaults to `false`.
*/
function create(target, options) {
target = target instanceof Ci.nsIDOMDocument ? target.documentElement :
target instanceof Ci.nsIDOMWindow ? target.document.documentElement :
target;
options = options || {};
let remote = options.remote || false;
let namespaceURI = options.namespaceURI || XUL;
let isXUL = namespaceURI === XUL;
let nodeName = isXUL && options.browser ? 'browser' : 'iframe';
let document = target.ownerDocument;
let frame = document.createElementNS(namespaceURI, nodeName);
// Type="content" is mandatory to enable stuff here:
// http://mxr.mozilla.org/mozilla-central/source/content/base/src/nsFrameLoader.cpp#1776
frame.setAttribute('type', options.type || 'content');
frame.setAttribute('src', options.uri || 'about:blank');
// Must set the remote attribute before attaching the frame to the document
if (remote && isXUL) {
// We remove XBL binding to avoid execution of code that is not going to
// work because browser has no docShell attribute in remote mode
// (for example)
frame.setAttribute('style', '-moz-binding: none;');
frame.setAttribute('remote', 'true');
}
target.appendChild(frame);
// Load in separate process if `options.remote` is `true`.
// http://mxr.mozilla.org/mozilla-central/source/content/base/src/nsFrameLoader.cpp#1347
if (remote && !isXUL) {
frame.QueryInterface(Ci.nsIMozBrowserFrame);
frame.createRemoteFrameLoader(null);
}
// If browser is remote it won't have a `docShell`.
if (!remote) {
let docShell = getDocShell(frame);
docShell.allowAuth = options.allowAuth || false;
docShell.allowJavascript = options.allowJavascript || false;
docShell.allowPlugins = options.allowPlugins || false;
docShell.allowWindowControl = options.allowWindowControl || false;
}
return frame;
}
exports.create = create;
function swapFrameLoaders(from, to) {
return from.QueryInterface(Ci.nsIFrameLoaderOwner).swapFrameLoaders(to);
}
exports.swapFrameLoaders = swapFrameLoaders;