gecko-dev/browser/modules/RemotePrompt.jsm

103 строки
3.2 KiB
JavaScript

/* vim: set ts=2 sw=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 = [ "RemotePrompt" ];
ChromeUtils.defineModuleGetter(this, "PromptUtils",
"resource://gre/modules/SharedPromptUtils.jsm");
ChromeUtils.defineModuleGetter(this, "Services",
"resource://gre/modules/Services.jsm");
var RemotePrompt = {
// Listeners are added in nsBrowserGlue.js
receiveMessage(message) {
switch (message.name) {
case "Prompt:Open":
if (message.data.uri) {
this.openModalWindow(message.data, message.target);
} else {
this.openTabPrompt(message.data, message.target);
}
break;
}
},
openTabPrompt(args, browser) {
let window = browser.ownerGlobal;
let tabPrompt = window.gBrowser.getTabModalPromptBox(browser);
let newPrompt;
let needRemove = false;
let promptId = args._remoteId;
function onPromptClose(forceCleanup) {
// It's possible that we removed the prompt during the
// appendPrompt call below. In that case, newPrompt will be
// undefined. We set the needRemove flag to remember to remove
// it right after we've finished adding it.
if (newPrompt)
tabPrompt.removePrompt(newPrompt);
else
needRemove = true;
PromptUtils.fireDialogEvent(window, "DOMModalDialogClosed", browser);
browser.messageManager.sendAsyncMessage("Prompt:Close", args);
}
browser.messageManager.addMessageListener("Prompt:ForceClose", function listener(message) {
// If this was for another prompt in the same tab, ignore it.
if (message.data._remoteId !== promptId) {
return;
}
browser.messageManager.removeMessageListener("Prompt:ForceClose", listener);
if (newPrompt) {
newPrompt.abortPrompt();
}
});
try {
let eventDetail = {
tabPrompt: true,
promptPrincipal: args.promptPrincipal,
inPermitUnload: args.inPermitUnload,
};
PromptUtils.fireDialogEvent(window, "DOMWillOpenModalDialog", browser, eventDetail);
args.promptActive = true;
newPrompt = tabPrompt.appendPrompt(args, onPromptClose);
if (needRemove) {
tabPrompt.removePrompt(newPrompt);
}
// TODO since we don't actually open a window, need to check if
// there's other stuff in nsWindowWatcher::OpenWindowInternal
// that we might need to do here as well.
} catch (ex) {
onPromptClose(true);
}
},
openModalWindow(args, browser) {
let window = browser.ownerGlobal;
try {
PromptUtils.fireDialogEvent(window, "DOMWillOpenModalDialog", browser);
let bag = PromptUtils.objectToPropBag(args);
Services.ww.openWindow(window, args.uri, "_blank",
"centerscreen,chrome,modal,titlebar", bag);
PromptUtils.propBagToObject(bag, args);
} finally {
PromptUtils.fireDialogEvent(window, "DOMModalDialogClosed", browser);
browser.messageManager.sendAsyncMessage("Prompt:Close", args);
}
},
};