gecko-dev/browser/actors/BrowserTabChild.jsm

113 строки
3.5 KiB
JavaScript

/* 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/. */
"use strict";
var EXPORTED_SYMBOLS = ["BrowserTabChild"];
ChromeUtils.import("resource://gre/modules/ActorChild.jsm");
ChromeUtils.defineModuleGetter(this, "E10SUtils",
"resource://gre/modules/E10SUtils.jsm");
class BrowserTabChild extends ActorChild {
handleEvent(event) {
switch (event.type) {
case "DOMWindowCreated":
let loadContext = this.mm.docShell.QueryInterface(Ci.nsILoadContext);
let userContextId = loadContext.originAttributes.userContextId;
this.mm.sendAsyncMessage("Browser:WindowCreated", { userContextId });
break;
case "MozAfterPaint":
this.mm.sendAsyncMessage("Browser:FirstPaint");
break;
case "MozDOMPointerLock:Entered":
this.mm.sendAsyncMessage("PointerLock:Entered", {
originNoSuffix: event.target.nodePrincipal.originNoSuffix,
});
break;
case "MozDOMPointerLock:Exited":
this.mm.sendAsyncMessage("PointerLock:Exited");
break;
}
}
switchDocumentDirection(window = this.content) {
// document.dir can also be "auto", in which case it won't change
if (window.document.dir == "ltr" || window.document.dir == "") {
window.document.dir = "rtl";
} else if (window.document.dir == "rtl") {
window.document.dir = "ltr";
}
for (let i = 0; i < window.frames.length; i++) {
this.switchDocumentDirection(window.frames[i]);
}
}
receiveMessage(message) {
switch (message.name) {
case "AllowScriptsToClose":
this.content.windowUtils.allowScriptsToClose();
break;
case "Browser:AppTab":
if (this.docShell) {
this.docShell.isAppTab = message.data.isAppTab;
}
break;
case "Browser:HasSiblings":
try {
let tabChild = this.docShell.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsITabChild);
let hasSiblings = message.data;
tabChild.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 = this.docShell.QueryInterface(Ci.nsIWebNavigation);
try {
if (webNav.sessionHistory) {
webNav = webNav.sessionHistory;
}
} catch (e) {
}
let reloadFlags = message.data.flags;
try {
E10SUtils.wrapHandlingUserInput(this.content, message.data.handlingUserInput,
() => webNav.reload(reloadFlags));
} catch (e) {
}
break;
case "MixedContent:ReenableProtection":
this.docShell.mixedContentChannel = null;
break;
case "SwitchDocumentDirection":
this.switchDocumentDirection();
break;
case "UpdateCharacterSet":
this.docShell.charset = message.data.value;
this.docShell.gatherCharsetMenuTelemetry();
break;
}
}
}