Quelle toolbox-init.js Sprache: JAVA

/* 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 browser */

"use strict";

const { require } = ChromeUtils.importESModule(
  "resource://devtools/shared/loader/Loader.sys.mjs"
);

// URL constructor doesn't support about: scheme
const href = window.location.href.replace("about:", "http://");
const url = new window.URL(href);

// `host` is the frame element loading the toolbox.
let host = window.browsingContext.embedderElement;

// If there's no containerElement (which happens when loading about:devtools-toolbox as
// a top level document), use the current window.
if (!host) {
  host = {
    contentWindow: window,
    contentDocument: document,
    // toolbox-host-manager.js wants to set attributes on the frame that contains it,
    // but that is fine to skip and doesn't make sense when using the current window.
    setAttribute() {},
    ownerDocument: document,
    // toolbox-host-manager.js wants to listen for unload events from outside the frame,
    // but this is fine to skip since the toolbox code listens inside the frame as well,
    // and there is no outer document in this case.
    addEventListener() {},
  };
}

const onLoad = new Promise(r => {
  host.contentWindow.addEventListener("DOMContentLoaded", r, { once: true });
});

async function showErrorPage(doc, errorMessage) {
  const win = doc.defaultView;
  const { BrowserLoader } = ChromeUtils.importESModule(
    "resource://devtools/shared/loader/browser-loader.sys.mjs"
  );
  const browserRequire = BrowserLoader({
    window: win,
    useOnlyShared: true,
  }).require;

  const React = browserRequire("devtools/client/shared/vendor/react");
  const ReactDOM = browserRequire("devtools/client/shared/vendor/react-dom");
  const DebugTargetErrorPage = React.createFactory(
    require("resource://devtools/client/framework/components/DebugTargetErrorPage.js")
  );
  const { LocalizationHelper } = browserRequire("devtools/shared/l10n");
  const L10N = new LocalizationHelper(
    "devtools/client/locales/toolbox.properties"
  );

  // mount the React component into our XUL container once the DOM is ready
  await onLoad;

  // Update the tab title.
  document.title = L10N.getStr("toolbox.debugTargetInfo.tabTitleError");

  const mountEl = doc.querySelector("#toolbox-error-mount");
  const element = DebugTargetErrorPage({
    errorMessage,
    L10N,
  });
  ReactDOM.render(element, mountEl);

  // make sure we unmount the component when the page is destroyed
  win.addEventListener(
    "unload",
    () => {
      ReactDOM.unmountComponentAtNode(mountEl);
    },
    { once: true }
  );
}

async function initToolbox(url, host) {
  const {
    gDevTools,
  } = require("resource://devtools/client/framework/devtools.js");

  const {
    commandsFromURL,
  } = require("resource://devtools/client/framework/commands-from-url.js");
  const {
    Toolbox,
  } = require("resource://devtools/client/framework/toolbox.js");

  // Specify the default tool to open
  const tool = url.searchParams.get("tool");

  try {
    const commands = await commandsFromURL(url);
    const toolbox = gDevTools.getToolboxForCommands(commands);
    if (toolbox && toolbox.isDestroying()) {
      // If a toolbox already exists for the commands, wait for current
      // toolbox destroy to be finished.
      await toolbox.destroy();
    }

    // Display an error page if we are connected to a remote target and we lose it
    commands.descriptorFront.once("descriptor-destroyed", function () {
      // Prevent trying to display the error page if the toolbox tab is being destroyed
      if (host.contentDocument) {
        const error = new Error("Debug target was disconnected");
        showErrorPage(host.contentDocument, `${error}`);
      }
    });

    const options = { customIframe: host };
    await gDevTools.showToolbox(commands, {
      toolId: tool,
      hostType: Toolbox.HostType.PAGE,
      hostOptions: options,
    });
  } catch (error) {
    // When an error occurs, show error page with message.
    console.error("Exception while loading the toolbox", error);
    showErrorPage(host.contentDocument, `${error}`);
  }
}

// Only use this method to attach the toolbox if some query parameters are given
if (url.search.length > 1) {
  initToolbox(url, host);
}
// TODO: handle no params in about:devtool-toolbox
// https://bugzilla.mozilla.org/show_bug.cgi?id=1526996

quality100%

¤ Dauer der Verarbeitung: 0.1 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.