Mypal68/browser/base/content/tab-content.js
2023-05-31 17:50:19 +03:00

120 lines
3.0 KiB
JavaScript

/* 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/. */
/* This content script contains code that requires a tab browser. */
/* eslint-env mozilla/frame-script */
var { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
ChromeUtils.defineModuleGetter(
this,
"E10SUtils",
"resource://gre/modules/E10SUtils.jsm"
);
ChromeUtils.defineModuleGetter(
this,
"BrowserUtils",
"resource://gre/modules/BrowserUtils.jsm"
);
var { ActorManagerChild } = ChromeUtils.import(
"resource://gre/modules/ActorManagerChild.jsm"
);
ActorManagerChild.attach(this, "browsers");
// BrowserChildGlobal
var global = this;
// Keep a reference to the translation content handler to avoid it it being GC'ed.
var trHandler = null;
if (Services.prefs.getBoolPref("browser.translation.detectLanguage")) {
var { TranslationContentHandler } = ChromeUtils.import(
"resource:///modules/translation/TranslationContentHandler.jsm"
);
trHandler = new TranslationContentHandler(global, docShell);
}
var WebBrowserChrome = {
onBeforeLinkTraversal(originalTarget, linkURI, linkNode, isAppTab) {
return BrowserUtils.onBeforeLinkTraversal(
originalTarget,
linkURI,
linkNode,
isAppTab
);
},
// Check whether this URI should load in the current process
shouldLoadURI(
aDocShell,
aURI,
aReferrerInfo,
aHasPostData,
aTriggeringPrincipal,
aCsp
) {
if (!E10SUtils.shouldLoadURI(aDocShell, aURI, aHasPostData)) {
E10SUtils.redirectLoad(
aDocShell,
aURI,
aReferrerInfo,
aTriggeringPrincipal,
false,
null,
aCsp
);
return false;
}
return true;
},
shouldLoadURIInThisProcess(aURI) {
let remoteSubframes = docShell.QueryInterface(Ci.nsILoadContext)
.useRemoteSubframes;
return E10SUtils.shouldLoadURIInThisProcess(aURI, remoteSubframes);
},
// Try to reload the currently active or currently loading page in a new process.
reloadInFreshProcess(
aDocShell,
aURI,
aReferrerInfo,
aTriggeringPrincipal,
aLoadFlags,
aCsp
) {
E10SUtils.redirectLoad(
aDocShell,
aURI,
aReferrerInfo,
aTriggeringPrincipal,
true,
aLoadFlags,
aCsp
);
return true;
},
};
if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT) {
let tabchild = docShell
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIBrowserChild);
tabchild.webBrowserChrome = WebBrowserChrome;
}
Services.obs.notifyObservers(this, "tab-content-frameloader-created");
// Remove this once bug 1397365 is fixed.
addEventListener("MozAfterPaint", function onFirstNonBlankPaint() {
if (content.document.documentURI == "about:blank" && !content.opener) {
return;
}
removeEventListener("MozAfterPaint", onFirstNonBlankPaint);
sendAsyncMessage("Browser:FirstNonBlankPaint");
});