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/* vim: set ts=2 sw=2 sts=2 et tw=80: */
/* 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/. */
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
E10SUtils: "resource://gre/modules/E10SUtils.sys.mjs",
});
export class BrowserTabChild extends JSWindowActorChild {
constructor() {
super();
this.rpmInitialized = false;
this.handledFirstPaint = false;
}
actorCreated() {
this.sendAsyncMessage("Browser:WindowCreated", {
userContextId: this.browsingContext.originAttributes.userContextId,
});
}
handleEvent(event) {
switch (event.type) {
case "DOMDocElementInserted":
// NOTE: DOMDocElementInserted may be called multiple times per
// PWindowGlobal due to the initial about:blank document's window global
// being re-used.
this.initializeRPM();
break;
case "MozAfterPaint":
if (this.handledFirstPaint) {
return;
}
this.handledFirstPaint = true;
this.sendAsyncMessage("Browser:FirstPaint", {});
break;
}
}
receiveMessage(message) {
let context = this.manager.browsingContext;
let docShell = context.docShell;
switch (message.name) {
case "Browser:AppTab":
if (docShell) {
docShell.isAppTab = message.data.isAppTab;
}
break;
case "Browser:HasSiblings":
try {
let browserChild = docShell
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIBrowserChild);
let hasSiblings = message.data;
browserChild.hasSiblings = hasSiblings;
} catch (e) {}
break;
// XXX(nika): Should we try to call this in the parent process instead?
case "Browser:Reload":
/* First, we'll try to use the session history object to reload so
* that framesets are handled properly. If we're in a special
* window (such as view-source) that has no session history, fall
* back on using the web navigation's reload method.
*/
let webNav = docShell.QueryInterface(Ci.nsIWebNavigation);
try {
if (webNav.sessionHistory) {
webNav = webNav.sessionHistory;
}
} catch (e) {}
let reloadFlags = message.data.flags;
if (message.data.handlingUserInput) {
reloadFlags |= Ci.nsIWebNavigation.LOAD_FLAGS_USER_ACTIVATION;
}
try {
lazy.E10SUtils.wrapHandlingUserInput(
this.document.defaultView,
message.data.handlingUserInput,
() => webNav.reload(reloadFlags)
);
} catch (e) {}
break;
case "ForceEncodingDetection":
docShell.forceEncodingDetection();
break;
}
}
// Creates a new PageListener for this process. This will listen for page loads
// and for those that match URLs provided by the parent process will set up
// a dedicated message port and notify the parent process.
// Note: this is part of the old message-manager based RPM and is only still
// used by newtab and talos tests.
initializeRPM() {
if (this.rpmInitialized) {
return;
}
// Strip the hash from the URL, because it's not part of the origin.
let url = this.document.documentURI.replace(/[\#?].*$/, "");
let registeredURLs = Services.cpmm.sharedData.get("RemotePageManager:urls");
if (registeredURLs && registeredURLs.has(url)) {
let { ChildMessagePort } = ChromeUtils.import(
"resource://gre/modules/remotepagemanager/RemotePageManagerChild.jsm"
);
// Set up the child side of the message port
new ChildMessagePort(this.contentWindow);
this.rpmInitialized = true;
}
}
}
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