Bug 1770944 - Remove `dom/browser-element`. r=smaug

Differential Revision: https://phabricator.services.mozilla.com/D155254
This commit is contained in:
Artur Iunusov 2024-03-07 13:04:21 +00:00
Родитель f575c3bb9f
Коммит c2b2a6ca3b
15 изменённых файлов: 0 добавлений и 1560 удалений

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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/. */
/* eslint-env mozilla/frame-script */
/* global api, CopyPasteAssistent */
"use strict";
function debug(_msg) {
// dump("BrowserElementChild - " + _msg + "\n");
}
var BrowserElementIsReady;
debug(`Might load BE scripts: BEIR: ${BrowserElementIsReady}`);
if (!BrowserElementIsReady) {
debug("Loading BE scripts");
if (!("BrowserElementIsPreloaded" in this)) {
Services.scriptloader.loadSubScript(
"chrome://global/content/BrowserElementChildPreload.js",
this
);
}
function onDestroy() {
removeMessageListener("browser-element-api:destroy", onDestroy);
if (api) {
api.destroy();
}
BrowserElementIsReady = false;
}
addMessageListener("browser-element-api:destroy", onDestroy);
BrowserElementIsReady = true;
} else {
debug("BE already loaded, abort");
}
sendAsyncMessage("browser-element-api:call", { msg_name: "hello" });

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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";
/* eslint-env mozilla/frame-script */
function debug() {
// dump("BrowserElementChildPreload - " + msg + "\n");
}
debug("loaded");
var BrowserElementIsReady;
var { BrowserElementPromptService } = ChromeUtils.import(
"resource://gre/modules/BrowserElementPromptService.jsm"
);
function sendAsyncMsg(msg, data) {
// Ensure that we don't send any messages before BrowserElementChild.js
// finishes loading.
if (!BrowserElementIsReady) {
return;
}
if (!data) {
data = {};
}
data.msg_name = msg;
sendAsyncMessage("browser-element-api:call", data);
}
var LISTENED_EVENTS = [
// This listens to unload events from our message manager, but /not/ from
// the |content| window. That's because the window's unload event doesn't
// bubble, and we're not using a capturing listener. If we'd used
// useCapture == true, we /would/ hear unload events from the window, which
// is not what we want!
{ type: "unload", useCapture: false, wantsUntrusted: false },
];
/**
* The BrowserElementChild implements one half of <iframe mozbrowser>.
* (The other half is, unsurprisingly, BrowserElementParent.)
*
* This script is injected into an <iframe mozbrowser> via
* nsIMessageManager::LoadFrameScript().
*
* Our job here is to listen for events within this frame and bubble them up to
* the parent process.
*/
var global = this;
function BrowserElementChild() {
// Maps outer window id --> weak ref to window. Used by modal dialog code.
this._windowIDDict = {};
this._init();
}
BrowserElementChild.prototype = {
_init() {
debug("Starting up.");
BrowserElementPromptService.mapWindowToBrowserElementChild(content, this);
this._shuttingDown = false;
LISTENED_EVENTS.forEach(event => {
addEventListener(
event.type,
this,
event.useCapture,
event.wantsUntrusted
);
});
addMessageListener("browser-element-api:call", this);
},
/**
* Shut down the frame's side of the browser API. This is called when:
* - our BrowserChildGlobal starts to die
* - the content is moved to frame without the browser API
* This is not called when the page inside |content| unloads.
*/
destroy() {
debug("Destroying");
this._shuttingDown = true;
BrowserElementPromptService.unmapWindowToBrowserElementChild(content);
LISTENED_EVENTS.forEach(event => {
removeEventListener(
event.type,
this,
event.useCapture,
event.wantsUntrusted
);
});
removeMessageListener("browser-element-api:call", this);
},
handleEvent(event) {
switch (event.type) {
case "unload":
this.destroy(event);
break;
}
},
receiveMessage(message) {
let self = this;
let mmCalls = {
"unblock-modal-prompt": this._recvStopWaiting,
};
if (message.data.msg_name in mmCalls) {
return mmCalls[message.data.msg_name].apply(self, arguments);
}
return undefined;
},
get _windowUtils() {
return content.document.defaultView.windowUtils;
},
_tryGetInnerWindowID(win) {
try {
return win.windowGlobalChild.innerWindowId;
} catch (e) {
return null;
}
},
/**
* Show a modal prompt. Called by BrowserElementPromptService.
*/
showModalPrompt(win, args) {
args.windowID = {
outer: win.docShell.outerWindowID,
inner: this._tryGetInnerWindowID(win),
};
sendAsyncMsg("showmodalprompt", args);
let returnValue = this._waitForResult(win);
if (
args.promptType == "prompt" ||
args.promptType == "confirm" ||
args.promptType == "custom-prompt"
) {
return returnValue;
}
return undefined;
},
/**
* Spin in a nested event loop until we receive a unblock-modal-prompt message for
* this window.
*/
_waitForResult(win) {
debug("_waitForResult(" + win + ")");
let utils = win.windowUtils;
let outerWindowID = win.docShell.outerWindowID;
let innerWindowID = this._tryGetInnerWindowID(win);
if (innerWindowID === null) {
// I have no idea what waiting for a result means when there's no inner
// window, so let's just bail.
debug("_waitForResult: No inner window. Bailing.");
return undefined;
}
this._windowIDDict[outerWindowID] = Cu.getWeakReference(win);
debug(
"Entering modal state (outerWindowID=" +
outerWindowID +
", " +
"innerWindowID=" +
innerWindowID +
")"
);
utils.enterModalState();
// We'll decrement win.modalDepth when we receive a unblock-modal-prompt message
// for the window.
if (!win.modalDepth) {
win.modalDepth = 0;
}
win.modalDepth++;
let origModalDepth = win.modalDepth;
debug("Nested event loop - begin");
Services.tm.spinEventLoopUntil(
"BrowserElementChildPreload.js:_waitForResult",
() => {
// Bail out of the loop if the inner window changed; that means the
// window navigated. Bail out when we're shutting down because otherwise
// we'll leak our window.
if (this._tryGetInnerWindowID(win) !== innerWindowID) {
debug(
"_waitForResult: Inner window ID changed " +
"while in nested event loop."
);
return true;
}
return win.modalDepth !== origModalDepth || this._shuttingDown;
}
);
debug("Nested event loop - finish");
if (win.modalDepth == 0) {
delete this._windowIDDict[outerWindowID];
}
// If we exited the loop because the inner window changed, then bail on the
// modal prompt.
if (innerWindowID !== this._tryGetInnerWindowID(win)) {
throw Components.Exception(
"Modal state aborted by navigation",
Cr.NS_ERROR_NOT_AVAILABLE
);
}
let returnValue = win.modalReturnValue;
delete win.modalReturnValue;
if (!this._shuttingDown) {
utils.leaveModalState();
}
debug(
"Leaving modal state (outerID=" +
outerWindowID +
", " +
"innerID=" +
innerWindowID +
")"
);
return returnValue;
},
_recvStopWaiting(msg) {
let outerID = msg.json.windowID.outer;
let innerID = msg.json.windowID.inner;
let returnValue = msg.json.returnValue;
debug(
"recvStopWaiting(outer=" +
outerID +
", inner=" +
innerID +
", returnValue=" +
returnValue +
")"
);
if (!this._windowIDDict[outerID]) {
debug("recvStopWaiting: No record of outer window ID " + outerID);
return;
}
let win = this._windowIDDict[outerID].get();
if (!win) {
debug("recvStopWaiting, but window is gone\n");
return;
}
if (innerID !== this._tryGetInnerWindowID(win)) {
debug("recvStopWaiting, but inner ID has changed\n");
return;
}
debug("recvStopWaiting " + win);
win.modalReturnValue = returnValue;
win.modalDepth--;
},
};
var api = new BrowserElementChild();

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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";
/* BrowserElementParent injects script to listen for certain events in the
* child. We then listen to messages from the child script and take
* appropriate action here in the parent.
*/
const { BrowserElementPromptService } = ChromeUtils.import(
"resource://gre/modules/BrowserElementPromptService.jsm"
);
function debug() {
// dump("BrowserElementParent - " + msg + "\n");
}
function handleWindowEvent(e) {
if (this._browserElementParents) {
let beps = ChromeUtils.nondeterministicGetWeakMapKeys(
this._browserElementParents
);
beps.forEach(bep => bep._handleOwnerEvent(e));
}
}
function BrowserElementParent() {
debug("Creating new BrowserElementParent object");
}
BrowserElementParent.prototype = {
classDescription: "BrowserElementAPI implementation",
classID: Components.ID("{9f171ac4-0939-4ef8-b360-3408aedc3060}"),
contractID: "@mozilla.org/dom/browser-element-api;1",
QueryInterface: ChromeUtils.generateQI([
"nsIBrowserElementAPI",
"nsISupportsWeakReference",
]),
setFrameLoader(frameLoader) {
debug("Setting frameLoader");
this._frameLoader = frameLoader;
this._frameElement = frameLoader.ownerElement;
if (!this._frameElement) {
debug("No frame element?");
return;
}
// Listen to visibilitychange on the iframe's owner window, and forward
// changes down to the child. We want to do this while registering as few
// visibilitychange listeners on _window as possible, because such a listener
// may live longer than this BrowserElementParent object.
//
// To accomplish this, we register just one listener on the window, and have
// it reference a WeakMap whose keys are all the BrowserElementParent objects
// on the window. Then when the listener fires, we iterate over the
// WeakMap's keys (which we can do, because we're chrome) to notify the
// BrowserElementParents.
if (!this._window._browserElementParents) {
this._window._browserElementParents = new WeakMap();
let handler = handleWindowEvent.bind(this._window);
let windowEvents = ["visibilitychange"];
for (let event of windowEvents) {
Services.els.addSystemEventListener(
this._window,
event,
handler,
/* useCapture = */ true
);
}
}
this._window._browserElementParents.set(this, null);
// Insert ourself into the prompt service.
BrowserElementPromptService.mapFrameToBrowserElementParent(
this._frameElement,
this
);
this._setupMessageListener();
},
destroyFrameScripts() {
debug("Destroying frame scripts");
this._mm.sendAsyncMessage("browser-element-api:destroy");
},
_setupMessageListener() {
this._mm = this._frameLoader.messageManager;
this._mm.addMessageListener("browser-element-api:call", this);
},
receiveMessage(aMsg) {
if (!this._isAlive()) {
return undefined;
}
// Messages we receive are handed to functions which take a (data) argument,
// where |data| is the message manager's data object.
// We use a single message and dispatch to various function based
// on data.msg_name
let mmCalls = {
hello: this._recvHello,
};
let mmSecuritySensitiveCalls = {
showmodalprompt: this._handleShowModalPrompt,
};
if (aMsg.data.msg_name in mmCalls) {
return mmCalls[aMsg.data.msg_name].apply(this, arguments);
} else if (aMsg.data.msg_name in mmSecuritySensitiveCalls) {
return mmSecuritySensitiveCalls[aMsg.data.msg_name].apply(
this,
arguments
);
}
return undefined;
},
_removeMessageListener() {
this._mm.removeMessageListener("browser-element-api:call", this);
},
/**
* You shouldn't touch this._frameElement or this._window if _isAlive is
* false. (You'll likely get an exception if you do.)
*/
_isAlive() {
return (
!Cu.isDeadWrapper(this._frameElement) &&
!Cu.isDeadWrapper(this._frameElement.ownerDocument) &&
!Cu.isDeadWrapper(this._frameElement.ownerGlobal)
);
},
get _window() {
return this._frameElement.ownerGlobal;
},
_sendAsyncMsg(msg, data) {
try {
if (!data) {
data = {};
}
data.msg_name = msg;
this._mm.sendAsyncMessage("browser-element-api:call", data);
} catch (e) {
return false;
}
return true;
},
_recvHello() {
debug("recvHello");
// Inform our child if our owner element's document is invisible. Note
// that we must do so here, rather than in the BrowserElementParent
// constructor, because the BrowserElementChild may not be initialized when
// we run our constructor.
if (this._window.document.hidden) {
this._ownerVisibilityChange();
}
},
/**
* Fire either a vanilla or a custom event, depending on the contents of
* |data|.
*/
_fireEventFromMsg(data) {
let detail = data.json;
let name = detail.msg_name;
// For events that send a "_payload_" property, we just want to transmit
// this in the event.
if ("_payload_" in detail) {
detail = detail._payload_;
}
debug("fireEventFromMsg: " + name + ", " + JSON.stringify(detail));
let evt = this._createEvent(name, detail, /* cancelable = */ false);
this._frameElement.dispatchEvent(evt);
},
_handleShowModalPrompt(data) {
// Fire a showmodalprmopt event on the iframe. When this method is called,
// the child is spinning in a nested event loop waiting for an
// unblock-modal-prompt message.
//
// If the embedder calls preventDefault() on the showmodalprompt event,
// we'll block the child until event.detail.unblock() is called.
//
// Otherwise, if preventDefault() is not called, we'll send the
// unblock-modal-prompt message to the child as soon as the event is done
// dispatching.
let detail = data.json;
debug("handleShowPrompt " + JSON.stringify(detail));
// Strip off the windowID property from the object we send along in the
// event.
let windowID = detail.windowID;
delete detail.windowID;
debug("Event will have detail: " + JSON.stringify(detail));
let evt = this._createEvent(
"showmodalprompt",
detail,
/* cancelable = */ true
);
let self = this;
let unblockMsgSent = false;
function sendUnblockMsg() {
if (unblockMsgSent) {
return;
}
unblockMsgSent = true;
// We don't need to sanitize evt.detail.returnValue (e.g. converting the
// return value of confirm() to a boolean); Gecko does that for us.
let data = { windowID, returnValue: evt.detail.returnValue };
self._sendAsyncMsg("unblock-modal-prompt", data);
}
Cu.exportFunction(sendUnblockMsg, evt.detail, { defineAs: "unblock" });
this._frameElement.dispatchEvent(evt);
if (!evt.defaultPrevented) {
// Unblock the inner frame immediately. Otherwise we'll unblock upon
// evt.detail.unblock().
sendUnblockMsg();
}
},
_createEvent(evtName, detail, cancelable) {
// This will have to change if we ever want to send a CustomEvent with null
// detail. For now, it's OK.
if (detail !== undefined && detail !== null) {
detail = Cu.cloneInto(detail, this._window);
return new this._window.CustomEvent("mozbrowser" + evtName, {
bubbles: true,
cancelable,
detail,
});
}
return new this._window.Event("mozbrowser" + evtName, {
bubbles: true,
cancelable,
});
},
_handleOwnerEvent(evt) {
switch (evt.type) {
case "visibilitychange":
this._ownerVisibilityChange();
break;
}
},
/**
* Called when the visibility of the window which owns this iframe changes.
*/
_ownerVisibilityChange() {
let bc = this._frameLoader?.browsingContext;
if (bc) {
bc.isActive = !this._window.document.hidden;
}
},
};
var EXPORTED_SYMBOLS = ["BrowserElementParent"];

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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/. */
/* vim: set ft=javascript : */
"use strict";
var Cm = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
var EXPORTED_SYMBOLS = ["BrowserElementPromptService"];
function debug() {
// dump("BrowserElementPromptService - " + msg + "\n");
}
function BrowserElementPrompt(win, browserElementChild) {
this._win = win;
this._browserElementChild = browserElementChild;
}
BrowserElementPrompt.prototype = {
QueryInterface: ChromeUtils.generateQI(["nsIPrompt"]),
alert(title, text) {
this._browserElementChild.showModalPrompt(this._win, {
promptType: "alert",
title,
message: text,
returnValue: undefined,
});
},
alertCheck(title, text) {
// Treat this like a normal alert() call, ignoring the checkState. The
// front-end can do its own suppression of the alert() if it wants.
this.alert(title, text);
},
confirm(title, text) {
return this._browserElementChild.showModalPrompt(this._win, {
promptType: "confirm",
title,
message: text,
returnValue: undefined,
});
},
confirmCheck(title, text) {
return this.confirm(title, text);
},
// Each button is described by an object with the following schema
// {
// string messageType, // 'builtin' or 'custom'
// string message, // 'ok', 'cancel', 'yes', 'no', 'save', 'dontsave',
// // 'revert' or a string from caller if messageType was 'custom'.
// }
//
// Expected result from embedder:
// {
// int button, // Index of the button that user pressed.
// boolean checked, // True if the check box is checked.
// }
confirmEx(
title,
text,
buttonFlags,
button0Title,
button1Title,
button2Title,
checkMsg,
checkState
) {
let buttonProperties = this._buildConfirmExButtonProperties(
buttonFlags,
button0Title,
button1Title,
button2Title
);
let defaultReturnValue = { selectedButton: buttonProperties.defaultButton };
if (checkMsg) {
defaultReturnValue.checked = checkState.value;
}
let ret = this._browserElementChild.showModalPrompt(this._win, {
promptType: "custom-prompt",
title,
message: text,
defaultButton: buttonProperties.defaultButton,
buttons: buttonProperties.buttons,
showCheckbox: !!checkMsg,
checkboxMessage: checkMsg,
checkboxCheckedByDefault: !!checkState.value,
returnValue: defaultReturnValue,
});
if (checkMsg) {
checkState.value = ret.checked;
}
return buttonProperties.indexToButtonNumberMap[ret.selectedButton];
},
prompt(title, text, value) {
let rv = this._browserElementChild.showModalPrompt(this._win, {
promptType: "prompt",
title,
message: text,
initialValue: value.value,
returnValue: null,
});
value.value = rv;
// nsIPrompt::Prompt returns true if the user pressed "OK" at the prompt,
// and false if the user pressed "Cancel".
//
// BrowserElementChild returns null for "Cancel" and returns the string the
// user entered otherwise.
return rv !== null;
},
promptUsernameAndPassword() {
throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
},
promptPassword() {
throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
},
select() {
throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
},
_buildConfirmExButtonProperties(
buttonFlags,
button0Title,
button1Title,
button2Title
) {
let r = {
defaultButton: -1,
buttons: [],
// This map is for translating array index to the button number that
// is recognized by Gecko. This shouldn't be exposed to embedder.
indexToButtonNumberMap: [],
};
let defaultButton = 0; // Default to Button 0.
if (buttonFlags & Ci.nsIPrompt.BUTTON_POS_1_DEFAULT) {
defaultButton = 1;
} else if (buttonFlags & Ci.nsIPrompt.BUTTON_POS_2_DEFAULT) {
defaultButton = 2;
}
// Properties of each button.
let buttonPositions = [
Ci.nsIPrompt.BUTTON_POS_0,
Ci.nsIPrompt.BUTTON_POS_1,
Ci.nsIPrompt.BUTTON_POS_2,
];
function buildButton(buttonTitle, buttonNumber) {
let ret = {};
let buttonPosition = buttonPositions[buttonNumber];
let mask = 0xff * buttonPosition; // 8 bit mask
let titleType = (buttonFlags & mask) / buttonPosition;
ret.messageType = "builtin";
switch (titleType) {
case Ci.nsIPrompt.BUTTON_TITLE_OK:
ret.message = "ok";
break;
case Ci.nsIPrompt.BUTTON_TITLE_CANCEL:
ret.message = "cancel";
break;
case Ci.nsIPrompt.BUTTON_TITLE_YES:
ret.message = "yes";
break;
case Ci.nsIPrompt.BUTTON_TITLE_NO:
ret.message = "no";
break;
case Ci.nsIPrompt.BUTTON_TITLE_SAVE:
ret.message = "save";
break;
case Ci.nsIPrompt.BUTTON_TITLE_DONT_SAVE:
ret.message = "dontsave";
break;
case Ci.nsIPrompt.BUTTON_TITLE_REVERT:
ret.message = "revert";
break;
case Ci.nsIPrompt.BUTTON_TITLE_IS_STRING:
ret.message = buttonTitle;
ret.messageType = "custom";
break;
default:
// This button is not shown.
return;
}
// If this is the default button, set r.defaultButton to
// the index of this button in the array. This value is going to be
// exposed to the embedder.
if (defaultButton === buttonNumber) {
r.defaultButton = r.buttons.length;
}
r.buttons.push(ret);
r.indexToButtonNumberMap.push(buttonNumber);
}
buildButton(button0Title, 0);
buildButton(button1Title, 1);
buildButton(button2Title, 2);
// If defaultButton is still -1 here, it means the default button won't
// be shown.
if (r.defaultButton === -1) {
throw new Components.Exception(
"Default button won't be shown",
Cr.NS_ERROR_FAILURE
);
}
return r;
},
};
function BrowserElementAuthPrompt() {}
BrowserElementAuthPrompt.prototype = {
QueryInterface: ChromeUtils.generateQI(["nsIAuthPrompt2"]),
promptAuth: function promptAuth() {
throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
},
asyncPromptAuth: function asyncPromptAuth(
channel,
callback,
context,
level,
authInfo
) {
debug("asyncPromptAuth");
// The cases that we don't support now.
if (
authInfo.flags & Ci.nsIAuthInformation.AUTH_PROXY &&
authInfo.flags & Ci.nsIAuthInformation.ONLY_PASSWORD
) {
throw Components.Exception("", Cr.NS_ERROR_FAILURE);
}
let frame = this._getFrameFromChannel(channel);
if (!frame) {
debug("Cannot get frame, asyncPromptAuth fail");
throw Components.Exception("", Cr.NS_ERROR_FAILURE);
}
let browserElementParent =
BrowserElementPromptService.getBrowserElementParentForFrame(frame);
if (!browserElementParent) {
debug("Failed to load browser element parent.");
throw Components.Exception("", Cr.NS_ERROR_FAILURE);
}
let consumer = {
QueryInterface: ChromeUtils.generateQI(["nsICancelable"]),
callback,
context,
cancel() {
this.callback.onAuthCancelled(this.context, false);
this.callback = null;
this.context = null;
},
};
let [hostname, httpRealm] = this._getAuthTarget(channel, authInfo);
let hashKey = level + "|" + hostname + "|" + httpRealm;
let asyncPrompt = this._asyncPrompts[hashKey];
if (asyncPrompt) {
asyncPrompt.consumers.push(consumer);
return consumer;
}
asyncPrompt = {
consumers: [consumer],
channel,
authInfo,
level,
inProgress: false,
browserElementParent,
};
this._asyncPrompts[hashKey] = asyncPrompt;
this._doAsyncPrompt();
return consumer;
},
// Utilities for nsIAuthPrompt2 ----------------
_asyncPrompts: {},
_asyncPromptInProgress: new WeakMap(),
_doAsyncPrompt() {
// Find the key of a prompt whose browser element parent does not have
// async prompt in progress.
let hashKey = null;
for (let key in this._asyncPrompts) {
let prompt = this._asyncPrompts[key];
if (!this._asyncPromptInProgress.get(prompt.browserElementParent)) {
hashKey = key;
break;
}
}
// Didn't find an available prompt, so just return.
if (!hashKey) {
return;
}
let prompt = this._asyncPrompts[hashKey];
this._asyncPromptInProgress.set(prompt.browserElementParent, true);
prompt.inProgress = true;
let self = this;
let callback = function (ok, username, password) {
debug(
"Async auth callback is called, ok = " + ok + ", username = " + username
);
// Here we got the username and password provided by embedder, or
// ok = false if the prompt was cancelled by embedder.
delete self._asyncPrompts[hashKey];
prompt.inProgress = false;
self._asyncPromptInProgress.delete(prompt.browserElementParent);
// Fill authentication information with username and password provided
// by user.
let flags = prompt.authInfo.flags;
if (username) {
if (flags & Ci.nsIAuthInformation.NEED_DOMAIN) {
// Domain is separated from username by a backslash
let idx = username.indexOf("\\");
if (idx == -1) {
prompt.authInfo.username = username;
} else {
prompt.authInfo.domain = username.substring(0, idx);
prompt.authInfo.username = username.substring(idx + 1);
}
} else {
prompt.authInfo.username = username;
}
}
if (password) {
prompt.authInfo.password = password;
}
for (let consumer of prompt.consumers) {
if (!consumer.callback) {
// Not having a callback means that consumer didn't provide it
// or canceled the notification.
continue;
}
try {
if (ok) {
debug("Ok, calling onAuthAvailable to finish auth");
consumer.callback.onAuthAvailable(
consumer.context,
prompt.authInfo
);
} else {
debug("Cancelled, calling onAuthCancelled to finish auth.");
consumer.callback.onAuthCancelled(consumer.context, true);
}
} catch (e) {
/* Throw away exceptions caused by callback */
}
}
// Process the next prompt, if one is pending.
self._doAsyncPrompt();
};
let runnable = {
run() {
// Call promptAuth of browserElementParent, to show the prompt.
prompt.browserElementParent.promptAuth(
self._createAuthDetail(prompt.channel, prompt.authInfo),
callback
);
},
};
Services.tm.dispatchToMainThread(runnable);
},
_getFrameFromChannel(channel) {
let loadContext = channel.notificationCallbacks.getInterface(
Ci.nsILoadContext
);
return loadContext.topFrameElement;
},
_createAuthDetail(channel, authInfo) {
let [hostname, httpRealm] = this._getAuthTarget(channel, authInfo);
return {
host: hostname,
path: channel.URI.pathQueryRef,
realm: httpRealm,
username: authInfo.username,
isProxy: !!(authInfo.flags & Ci.nsIAuthInformation.AUTH_PROXY),
isOnlyPassword: !!(authInfo.flags & Ci.nsIAuthInformation.ONLY_PASSWORD),
};
},
// The code is taken from nsLoginManagerPrompter.js, with slight
// modification for parameter name consistency here.
_getAuthTarget(channel, authInfo) {
let hostname, realm;
// If our proxy is demanding authentication, don't use the
// channel's actual destination.
if (authInfo.flags & Ci.nsIAuthInformation.AUTH_PROXY) {
if (!(channel instanceof Ci.nsIProxiedChannel)) {
throw new Error("proxy auth needs nsIProxiedChannel");
}
let info = channel.proxyInfo;
if (!info) {
throw new Error("proxy auth needs nsIProxyInfo");
}
// Proxies don't have a scheme, but we'll use "moz-proxy://"
// so that it's more obvious what the login is for.
var idnService = Cc["@mozilla.org/network/idn-service;1"].getService(
Ci.nsIIDNService
);
hostname =
"moz-proxy://" +
idnService.convertUTF8toACE(info.host) +
":" +
info.port;
realm = authInfo.realm;
if (!realm) {
realm = hostname;
}
return [hostname, realm];
}
hostname = this._getFormattedHostname(channel.URI);
// If a HTTP WWW-Authenticate header specified a realm, that value
// will be available here. If it wasn't set or wasn't HTTP, we'll use
// the formatted hostname instead.
realm = authInfo.realm;
if (!realm) {
realm = hostname;
}
return [hostname, realm];
},
/**
* Strip out things like userPass and path for display.
*/
_getFormattedHostname(uri) {
return uri.scheme + "://" + uri.hostPort;
},
};
function AuthPromptWrapper(oldImpl, browserElementImpl) {
this._oldImpl = oldImpl;
this._browserElementImpl = browserElementImpl;
}
AuthPromptWrapper.prototype = {
QueryInterface: ChromeUtils.generateQI(["nsIAuthPrompt2"]),
promptAuth(channel, level, authInfo) {
if (this._canGetParentElement(channel)) {
return this._browserElementImpl.promptAuth(channel, level, authInfo);
}
return this._oldImpl.promptAuth(channel, level, authInfo);
},
asyncPromptAuth(channel, callback, context, level, authInfo) {
if (this._canGetParentElement(channel)) {
return this._browserElementImpl.asyncPromptAuth(
channel,
callback,
context,
level,
authInfo
);
}
return this._oldImpl.asyncPromptAuth(
channel,
callback,
context,
level,
authInfo
);
},
_canGetParentElement(channel) {
try {
let context = channel.notificationCallbacks.getInterface(
Ci.nsILoadContext
);
let frame = context.topFrameElement;
if (!frame) {
return false;
}
if (!BrowserElementPromptService.getBrowserElementParentForFrame(frame)) {
return false;
}
return true;
} catch (e) {
return false;
}
},
};
function BrowserElementPromptFactory(toWrap) {
this._wrapped = toWrap;
}
BrowserElementPromptFactory.prototype = {
classID: Components.ID("{24f3d0cf-e417-4b85-9017-c9ecf8bb1299}"),
QueryInterface: ChromeUtils.generateQI(["nsIPromptFactory"]),
_mayUseNativePrompt() {
try {
return Services.prefs.getBoolPref("browser.prompt.allowNative");
} catch (e) {
// This properity is default to true.
return true;
}
},
_getNativePromptIfAllowed(win, iid, err) {
if (this._mayUseNativePrompt()) {
return this._wrapped.getPrompt(win, iid);
}
// Not allowed, throw an exception.
throw err;
},
getPrompt(win, iid) {
// It is possible for some object to get a prompt without passing
// valid reference of window, like nsNSSComponent. In such case, we
// should just fall back to the native prompt service
if (!win) {
return this._getNativePromptIfAllowed(win, iid, Cr.NS_ERROR_INVALID_ARG);
}
if (
iid.number != Ci.nsIPrompt.number &&
iid.number != Ci.nsIAuthPrompt2.number
) {
debug(
"We don't recognize the requested IID (" +
iid +
", " +
"allowed IID: " +
"nsIPrompt=" +
Ci.nsIPrompt +
", " +
"nsIAuthPrompt2=" +
Ci.nsIAuthPrompt2 +
")"
);
return this._getNativePromptIfAllowed(win, iid, Cr.NS_ERROR_INVALID_ARG);
}
// Try to find a BrowserElementChild for the window.
let browserElementChild =
BrowserElementPromptService.getBrowserElementChildForWindow(win);
if (iid.number === Ci.nsIAuthPrompt2.number) {
debug("Caller requests an instance of nsIAuthPrompt2.");
if (browserElementChild) {
// If we are able to get a BrowserElementChild, it means that
// the auth prompt is for a mozbrowser. Therefore we don't need to
// fall back.
return new BrowserElementAuthPrompt().QueryInterface(iid);
}
// Because nsIAuthPrompt2 is called in parent process. If caller
// wants nsIAuthPrompt2 and we cannot get BrowserElementchild,
// it doesn't mean that we should fallback. It is possible that we can
// get the BrowserElementParent from nsIChannel that passed to
// functions of nsIAuthPrompt2.
if (this._mayUseNativePrompt()) {
return new AuthPromptWrapper(
this._wrapped.getPrompt(win, iid),
new BrowserElementAuthPrompt().QueryInterface(iid)
).QueryInterface(iid);
}
// Falling back is not allowed, so we don't need wrap the
// BrowserElementPrompt.
return new BrowserElementAuthPrompt().QueryInterface(iid);
}
if (!browserElementChild) {
debug(
"We can't find a browserElementChild for " + win + ", " + win.location
);
return this._getNativePromptIfAllowed(win, iid, Cr.NS_ERROR_FAILURE);
}
debug("Returning wrapped getPrompt for " + win);
return new BrowserElementPrompt(win, browserElementChild).QueryInterface(
iid
);
},
};
var BrowserElementPromptService = {
QueryInterface: ChromeUtils.generateQI([
"nsIObserver",
"nsISupportsWeakReference",
]),
_initialized: false,
_init() {
if (this._initialized) {
return;
}
this._initialized = true;
this._browserElementParentMap = new WeakMap();
Services.obs.addObserver(
this,
"outer-window-destroyed",
/* ownsWeak = */ true
);
// Wrap the existing @mozilla.org/prompter;1 implementation.
var contractID = "@mozilla.org/prompter;1";
var oldCID = Cm.contractIDToCID(contractID);
var newCID = BrowserElementPromptFactory.prototype.classID;
var oldFactory = Cm.getClassObject(Cc[contractID], Ci.nsIFactory);
if (oldCID == newCID) {
debug("WARNING: Wrapped prompt factory is already installed!");
return;
}
var oldInstance = oldFactory.createInstance(null, Ci.nsIPromptFactory);
var newInstance = new BrowserElementPromptFactory(oldInstance);
var newFactory = {
createInstance(iid) {
return newInstance.QueryInterface(iid);
},
};
Cm.registerFactory(
newCID,
"BrowserElementPromptService's prompter;1 wrapper",
contractID,
newFactory
);
debug("Done installing new prompt factory.");
},
_getOuterWindowID(win) {
return win.docShell.outerWindowID;
},
_browserElementChildMap: {},
mapWindowToBrowserElementChild(win, browserElementChild) {
this._browserElementChildMap[this._getOuterWindowID(win)] =
browserElementChild;
},
unmapWindowToBrowserElementChild(win) {
delete this._browserElementChildMap[this._getOuterWindowID(win)];
},
getBrowserElementChildForWindow(win) {
// We only have a mapping for <iframe mozbrowser>s, not their inner
// <iframes>, so we look up win.top below. window.top (when called from
// script) respects <iframe mozbrowser> boundaries.
return this._browserElementChildMap[this._getOuterWindowID(win.top)];
},
mapFrameToBrowserElementParent(frame, browserElementParent) {
this._browserElementParentMap.set(frame, browserElementParent);
},
getBrowserElementParentForFrame(frame) {
return this._browserElementParentMap.get(frame);
},
_observeOuterWindowDestroyed(outerWindowID) {
let id = outerWindowID.QueryInterface(Ci.nsISupportsPRUint64).data;
debug("observeOuterWindowDestroyed " + id);
delete this._browserElementChildMap[outerWindowID.data];
},
observe(subject, topic) {
switch (topic) {
case "outer-window-destroyed":
this._observeOuterWindowDestroyed(subject);
break;
default:
debug("Observed unexpected topic " + topic);
}
},
};
BrowserElementPromptService._init();

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@ -1,14 +0,0 @@
# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# 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/.
Classes = [
{
'cid': '{9f171ac4-0939-4ef8-b360-3408aedc3060}',
'contract_ids': ['@mozilla.org/dom/browser-element-api;1'],
'jsm': 'resource://gre/modules/BrowserElementParent.jsm',
'constructor': 'BrowserElementParent',
},
]

Просмотреть файл

@ -1,37 +0,0 @@
# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# 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/.
with Files("**"):
BUG_COMPONENT = ("Core", "DOM: Core & HTML")
XPIDL_SOURCES += [
"nsIBrowserElementAPI.idl",
]
XPIDL_MODULE = "browser-element"
EXTRA_JS_MODULES += [
"BrowserElementParent.jsm",
"BrowserElementPromptService.jsm",
]
XPCOM_MANIFESTS += [
"components.conf",
]
LOCAL_INCLUDES += [
"/dom/html",
]
include("/ipc/chromium/chromium-config.mozbuild")
FINAL_LIBRARY = "xul"
LOCAL_INCLUDES += [
"/dom/",
"/dom/base",
"/dom/ipc",
]

Просмотреть файл

@ -1,44 +0,0 @@
/* -*- Mode: IDL; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 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/. */
#include "nsISupports.idl"
webidl FrameLoader;
%{C++
#define BROWSER_ELEMENT_API_CONTRACTID "@mozilla.org/dom/browser-element-api;1"
#define BROWSER_ELEMENT_API_CID \
{ 0x651db7e3, 0x1734, 0x4536, \
{ 0xb1, 0x5a, 0x5b, 0x3a, 0xe6, 0x44, 0x13, 0x4c } }
%}
/**
* Interface to the BrowserElementParent implementation. All methods
* but setFrameLoader throw when the remote process is dead.
*/
[scriptable, uuid(57758c10-6036-11e5-a837-0800200c9a66)]
interface nsIBrowserElementAPI : nsISupports
{
/**
* Notify frame scripts that support the API to destroy.
*/
void destroyFrameScripts();
void setFrameLoader(in FrameLoader frameLoader);
void sendMouseEvent(in AString type,
in uint32_t x,
in uint32_t y,
in uint32_t button,
in uint32_t clickCount,
in uint32_t mifiers);
void goBack();
void goForward();
void reload(in boolean hardReload);
void stop();
Promise getCanGoBack();
Promise getCanGoForward();
};

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@ -117,7 +117,6 @@ EXPORTS.mozilla.dom += [
"ImageDocument.h",
"MediaDocument.h",
"MediaError.h",
"nsBrowserElement.h",
"PlayPromise.h",
"RadioNodeList.h",
"TextTrackManager.h",
@ -203,7 +202,6 @@ UNIFIED_SOURCES += [
"ImageDocument.cpp",
"MediaDocument.cpp",
"MediaError.cpp",
"nsBrowserElement.cpp",
"nsDOMStringMap.cpp",
"nsGenericHTMLElement.cpp",
"nsGenericHTMLFrameElement.cpp",

Просмотреть файл

@ -1,57 +0,0 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 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/. */
#include "nsBrowserElement.h"
#include "mozilla/Preferences.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/ToJSValue.h"
#include "nsComponentManagerUtils.h"
#include "nsFrameLoader.h"
#include "nsINode.h"
#include "js/Wrapper.h"
using namespace mozilla::dom;
namespace mozilla {
bool nsBrowserElement::IsBrowserElementOrThrow(ErrorResult& aRv) {
if (mBrowserElementAPI) {
return true;
}
aRv.Throw(NS_ERROR_DOM_INVALID_NODE_TYPE_ERR);
return false;
}
void nsBrowserElement::InitBrowserElementAPI() {
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
NS_ENSURE_TRUE_VOID(frameLoader);
if (!frameLoader->OwnerIsMozBrowserFrame()) {
return;
}
if (!mBrowserElementAPI) {
mBrowserElementAPI =
do_CreateInstance("@mozilla.org/dom/browser-element-api;1");
if (NS_WARN_IF(!mBrowserElementAPI)) {
return;
}
}
mBrowserElementAPI->SetFrameLoader(frameLoader);
}
void nsBrowserElement::DestroyBrowserElementFrameScripts() {
if (!mBrowserElementAPI) {
return;
}
mBrowserElementAPI->DestroyFrameScripts();
}
} // namespace mozilla

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@ -1,57 +0,0 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 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/. */
#ifndef nsBrowserElement_h
#define nsBrowserElement_h
#include "mozilla/dom/BindingDeclarations.h"
#include "nsCOMPtr.h"
#include "nsIBrowserElementAPI.h"
class nsFrameLoader;
namespace mozilla {
namespace dom {
class Promise;
} // namespace dom
class ErrorResult;
/**
* A helper class for browser-element frames
*/
class nsBrowserElement {
public:
nsBrowserElement() = default;
virtual ~nsBrowserElement() = default;
void SendMouseEvent(const nsAString& aType, uint32_t aX, uint32_t aY,
uint32_t aButton, uint32_t aClickCount,
uint32_t aModifiers, ErrorResult& aRv);
void GoBack(ErrorResult& aRv);
void GoForward(ErrorResult& aRv);
void Reload(bool aHardReload, ErrorResult& aRv);
void Stop(ErrorResult& aRv);
already_AddRefed<dom::Promise> GetCanGoBack(ErrorResult& aRv);
already_AddRefed<dom::Promise> GetCanGoForward(ErrorResult& aRv);
protected:
virtual already_AddRefed<nsFrameLoader> GetFrameLoader() = 0;
void InitBrowserElementAPI();
void DestroyBrowserElementFrameScripts();
nsCOMPtr<nsIBrowserElementAPI> mBrowserElementAPI;
private:
bool IsBrowserElementOrThrow(ErrorResult& aRv);
};
} // namespace mozilla
#endif // nsBrowserElement_h

Просмотреть файл

@ -35,7 +35,6 @@ NS_IMPL_CYCLE_COLLECTION_CLASS(nsGenericHTMLFrameElement)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(nsGenericHTMLFrameElement,
nsGenericHTMLElement)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFrameLoader)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mBrowserElementAPI)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(nsGenericHTMLFrameElement,
@ -45,7 +44,6 @@ NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(nsGenericHTMLFrameElement,
}
NS_IMPL_CYCLE_COLLECTION_UNLINK(mFrameLoader)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mBrowserElementAPI)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED(
@ -351,13 +349,11 @@ nsresult nsGenericHTMLFrameElement::GetReallyIsBrowser(bool* aOut) {
NS_IMETHODIMP
nsGenericHTMLFrameElement::InitializeBrowserAPI() {
MOZ_ASSERT(mFrameLoader);
InitBrowserElementAPI();
return NS_OK;
}
NS_IMETHODIMP
nsGenericHTMLFrameElement::DestroyBrowserFrameScripts() {
MOZ_ASSERT(mFrameLoader);
DestroyBrowserElementFrameScripts();
return NS_OK;
}

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@ -8,7 +8,6 @@
#define nsGenericHTMLFrameElement_h
#include "mozilla/Attributes.h"
#include "mozilla/dom/nsBrowserElement.h"
#include "nsFrameLoader.h"
#include "nsFrameLoaderOwner.h"
@ -39,7 +38,6 @@ class XULFrameElement;
*/
class nsGenericHTMLFrameElement : public nsGenericHTMLElement,
public nsFrameLoaderOwner,
public mozilla::nsBrowserElement,
public nsIMozBrowserFrame {
public:
nsGenericHTMLFrameElement(
@ -94,11 +92,6 @@ class nsGenericHTMLFrameElement : public nsGenericHTMLElement,
return mSrcTriggeringPrincipal;
}
// Needed for nsBrowserElement
already_AddRefed<nsFrameLoader> GetFrameLoader() override {
return nsFrameLoaderOwner::GetFrameLoader();
}
protected:
virtual ~nsGenericHTMLFrameElement();

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@ -1,7 +0,0 @@
# 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/.
toolkit.jar:
content/global/BrowserElementChild.js (../browser-element/BrowserElementChild.js)
content/global/BrowserElementChildPreload.js (../browser-element/BrowserElementChildPreload.js)

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@ -257,8 +257,6 @@ DEFINES["MOZ_APP_NAME"] = '"%s"' % CONFIG["MOZ_APP_NAME"]
if CONFIG["MOZ_WIDGET_TOOLKIT"] == "android":
DEFINES["MOZ_ENABLE_FREETYPE"] = True
JAR_MANIFESTS += ["jar.mn"]
BROWSER_CHROME_MANIFESTS += [
"tests/browser.toml",
"tests/JSProcessActor/browser.toml",

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@ -32,7 +32,6 @@ DIRS += [
"base",
"bindings",
"battery",
"browser-element",
"cache",
"canvas",
"webgpu",