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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:13:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:13:27 +0000
commit40a355a42d4a9444dc753c04c6608dade2f06a23 (patch)
tree871fc667d2de662f171103ce5ec067014ef85e61 /dom/browser-element/BrowserElementChildPreload.js
parentAdding upstream version 124.0.1. (diff)
downloadfirefox-40a355a42d4a9444dc753c04c6608dade2f06a23.tar.xz
firefox-40a355a42d4a9444dc753c04c6608dade2f06a23.zip
Adding upstream version 125.0.1.upstream/125.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/browser-element/BrowserElementChildPreload.js')
-rw-r--r--dom/browser-element/BrowserElementChildPreload.js290
1 files changed, 0 insertions, 290 deletions
diff --git a/dom/browser-element/BrowserElementChildPreload.js b/dom/browser-element/BrowserElementChildPreload.js
deleted file mode 100644
index 1bbcf9ff05..0000000000
--- a/dom/browser-element/BrowserElementChildPreload.js
+++ /dev/null
@@ -1,290 +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/. */
-
-"use strict";
-
-/* eslint-env mozilla/frame-script */
-
-function debug(msg) {
- // 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();