/* -*- mode: js; indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* 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 = [ "ContentClick" ];

ChromeUtils.import("resource://gre/modules/Services.jsm");

ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");

ChromeUtils.defineModuleGetter(this, "PlacesUIUtils",

                               "resource:///modules/PlacesUIUtils.jsm");

ChromeUtils.defineModuleGetter(this, "PrivateBrowsingUtils",

                               "resource://gre/modules/PrivateBrowsingUtils.jsm");

var ContentClick = {

  // Listeners are added in nsBrowserGlue.js

  receiveMessage(message) {

    switch (message.name) {

      case "Content:Click":

        // Bug 1446913 - Ensure this happens in the next tick so TabOpen/TabMove

        // events are processed correctly in webextensions.

        Promise.resolve().then(() => {

          this.contentAreaClick(message.json, message.target);

        });

        break;

    }

  },

  /**

   * Handles clicks in the content area.

   *

   * @param json {Object} JSON object that looks like an Event

   * @param browser {Element<browser>}

   */

  contentAreaClick(json, browser) {

    // This is heavily based on contentAreaClick from browser.js (Bug 903016)

    // The json is set up in a way to look like an Event.

    let window = browser.ownerGlobal;

    if (!json.href) {

      // Might be middle mouse navigation.

      if (Services.prefs.getBoolPref("middlemouse.contentLoadURL") &&

          !Services.prefs.getBoolPref("general.autoScroll")) {

        window.middleMousePaste(json);

      }

      return;

    }

    if (json.bookmark) {

      // This is the Opera convention for a special link that, when clicked,

      // allows to add a sidebar panel.  The link's title attribute contains

      // the title that should be used for the sidebar panel.

      PlacesUIUtils.showBookmarkDialog({ action: "add",

                                         type: "bookmark",

                                         uri: Services.io.newURI(json.href),

                                         title: json.title,

                                         loadBookmarkInSidebar: true,

                                         hiddenRows: [ "description",

                                                        "location",

                                                        "keyword" ]

                                       }, window);

      return;

    }

    // Note: We don't need the sidebar code here.

    // Mark the page as a user followed link.  This is done so that history can

    // distinguish automatic embed visits from user activated ones.  For example

    // pages loaded in frames are embed visits and lost with the session, while

    // visits across frames should be preserved.

    try {

      if (!PrivateBrowsingUtils.isWindowPrivate(window))

        PlacesUIUtils.markPageAsFollowedLink(json.href);

    } catch (ex) { /* Skip invalid URIs. */ }

    // This part is based on handleLinkClick.

    var where = window.whereToOpenLink(json);

    if (where == "current")

      return;

    // Todo(903022): code for where == save

    let params = {

      charset: browser.characterSet,

      referrerURI: browser.documentURI,

      referrerPolicy: json.referrerPolicy,

      noReferrer: json.noReferrer,

      allowMixedContent: json.allowMixedContent,

      isContentWindowPrivate: json.isContentWindowPrivate,

      originPrincipal: json.originPrincipal,

      triggeringPrincipal: json.triggeringPrincipal,

      frameOuterWindowID: json.frameOuterWindowID,

    };

    // The new tab/window must use the same userContextId.

    if (json.originAttributes.userContextId) {

      params.userContextId = json.originAttributes.userContextId;

    }

    window.openLinkIn(json.href, where, params);

  }

};