Bug 1953575 - move gShareUtils to its own module, r=firefox-desktop-core-reviewers ,tabbrowser-reviewers,dao

Differential Revision: https://phabricator.services.mozilla.com/D241485

browser/base/content/browser.js

@@ -77,6 +77,7 @@ ChromeUtils.defineESModuleGetters(this, {
   SearchUIUtils: "moz-src:///browser/components/search/SearchUIUtils.sys.mjs",
   SessionStartup: "resource:///modules/sessionstore/SessionStartup.sys.mjs",
   SessionStore: "resource:///modules/sessionstore/SessionStore.sys.mjs",
+  SharingUtils: "resource:///modules/SharingUtils.sys.mjs",
   ShoppingSidebarParent: "resource:///actors/ShoppingSidebarParent.sys.mjs",
   ShoppingSidebarManager: "resource:///actors/ShoppingSidebarParent.sys.mjs",
   ShortcutUtils: "resource://gre/modules/ShortcutUtils.sys.mjs",
@@ -2053,7 +2054,7 @@ let gFileMenu = {
     this.updateImportCommandEnabledState();
     this.updateTabCloseCountState();
     if (AppConstants.platform == "macosx") {
-      gShareUtils.updateShareURLMenuItem(
+      SharingUtils.updateShareURLMenuItem(
         gBrowser.selectedBrowser,
         document.getElementById("menu_savePage")
       );
@@ -2062,215 +2063,6 @@ let gFileMenu = {
   },
 };
 
-let gShareUtils = {
-  /**
-   * Updates a sharing item in a given menu, creating it if necessary.
-   */
-  updateShareURLMenuItem(browser, insertAfterEl) {
-    if (!Services.prefs.getBoolPref("browser.menu.share_url.allow", true)) {
-      return;
-    }
-
-    // We only support "share URL" on macOS and on Windows:
-    if (AppConstants.platform != "macosx" && AppConstants.platform != "win") {
-      return;
-    }
-
-    let shareURL = insertAfterEl.nextElementSibling;
-    if (!shareURL?.matches(".share-tab-url-item")) {
-      shareURL = this._createShareURLMenuItem(insertAfterEl);
-    }
-
-    shareURL.browserToShare = Cu.getWeakReference(browser);
-    if (AppConstants.platform == "win") {
-      // We disable the item on Windows, as there's no submenu.
-      // On macOS, we handle this inside the menupopup.
-      shareURL.hidden = !BrowserUtils.getShareableURL(browser.currentURI);
-    }
-  },
-
-  /**
-   * Creates and returns the "Share" menu item.
-   */
-  _createShareURLMenuItem(insertAfterEl) {
-    let menu = insertAfterEl.parentNode;
-    let shareURL = null;
-    if (AppConstants.platform == "win") {
-      shareURL = this._buildShareURLItem(menu.id);
-    } else if (AppConstants.platform == "macosx") {
-      shareURL = this._buildShareURLMenu(menu.id);
-    }
-    shareURL.className = "share-tab-url-item";
-
-    let l10nID =
-      menu.id == "tabContextMenu"
-        ? "tab-context-share-url"
-        : "menu-file-share-url";
-    document.l10n.setAttributes(shareURL, l10nID);
-
-    menu.insertBefore(shareURL, insertAfterEl.nextSibling);
-    return shareURL;
-  },
-
-  /**
-   * Returns a menu item specifically for accessing Windows sharing services.
-   */
-  _buildShareURLItem() {
-    let shareURLMenuItem = document.createXULElement("menuitem");
-    shareURLMenuItem.addEventListener("command", this);
-    return shareURLMenuItem;
-  },
-
-  /**
-   * Returns a menu specifically for accessing macOSx sharing services .
-   */
-  _buildShareURLMenu() {
-    let menu = document.createXULElement("menu");
-    let menuPopup = document.createXULElement("menupopup");
-    menuPopup.addEventListener("popupshowing", this);
-    menu.appendChild(menuPopup);
-    return menu;
-  },
-
-  /**
-   * Get the sharing data for a given DOM node.
-   */
-  getDataToShare(node) {
-    let browser = node.browserToShare?.get();
-    let urlToShare = null;
-    let titleToShare = null;
-
-    if (browser) {
-      let maybeToShare = BrowserUtils.getShareableURL(browser.currentURI);
-      if (maybeToShare) {
-        urlToShare = maybeToShare;
-        titleToShare = browser.contentTitle;
-      }
-    }
-    return { urlToShare, titleToShare };
-  },
-
-  /**
-   * Populates the "Share" menupopup on macOSx.
-   */
-  initializeShareURLPopup(menuPopup) {
-    if (AppConstants.platform != "macosx") {
-      return;
-    }
-
-    // Empty menupopup
-    while (menuPopup.firstChild) {
-      menuPopup.firstChild.remove();
-    }
-
-    let { urlToShare } = this.getDataToShare(menuPopup.parentNode);
-
-    // If we can't share the current URL, we display the items disabled,
-    // but enable the "more..." item at the bottom, to allow the user to
-    // change sharing preferences in the system dialog.
-    let shouldEnable = !!urlToShare;
-    if (!urlToShare) {
-      // Fake it so we can ask the sharing service for services:
-      urlToShare = makeURI("https://mozilla.org/");
-    }
-
-    let sharingService = gBrowser.MacSharingService;
-    let currentURI = gURLBar.makeURIReadable(urlToShare).displaySpec;
-    let services = sharingService.getSharingProviders(currentURI);
-
-    services.forEach(share => {
-      let item = document.createXULElement("menuitem");
-      item.classList.add("menuitem-iconic");
-      item.setAttribute("label", share.menuItemTitle);
-      item.setAttribute("share-name", share.name);
-      item.setAttribute("image", share.image);
-      if (!shouldEnable) {
-        item.setAttribute("disabled", "true");
-      }
-      menuPopup.appendChild(item);
-    });
-    menuPopup.appendChild(document.createXULElement("menuseparator"));
-    let moreItem = document.createXULElement("menuitem");
-    document.l10n.setAttributes(moreItem, "menu-share-more");
-    moreItem.classList.add("menuitem-iconic", "share-more-button");
-    menuPopup.appendChild(moreItem);
-
-    menuPopup.addEventListener("command", this);
-    menuPopup.parentNode
-      .closest("menupopup")
-      .addEventListener("popuphiding", this);
-    menuPopup.setAttribute("data-initialized", true);
-  },
-
-  onShareURLCommand(event) {
-    // Only call sharing services for the "Share" menu item. These services
-    // are accessed from a submenu popup for MacOS or the "Share" menu item
-    // for Windows. Use .closest() as a hack to find either the item itself
-    // or a parent with the right class.
-    let target = event.target.closest(".share-tab-url-item");
-    if (!target) {
-      return;
-    }
-
-    // urlToShare/titleToShare may be null, in which case only the "more"
-    // item is enabled, so handle that case first:
-    if (event.target.classList.contains("share-more-button")) {
-      gBrowser.MacSharingService.openSharingPreferences();
-      return;
-    }
-
-    let { urlToShare, titleToShare } = this.getDataToShare(target);
-    let currentURI = gURLBar.makeURIReadable(urlToShare).displaySpec;
-
-    if (AppConstants.platform == "win") {
-      WindowsUIUtils.shareUrl(currentURI, titleToShare);
-      return;
-    }
-
-    // On macOSX platforms
-    let shareName = event.target.getAttribute("share-name");
-
-    if (shareName) {
-      gBrowser.MacSharingService.shareUrl(shareName, currentURI, titleToShare);
-    }
-  },
-
-  onPopupHiding(event) {
-    // We don't want to rebuild the contents of the "Share" menupopup if only its submenu is
-    // hidden. So bail if this isn't the top menupopup in the DOM tree:
-    if (event.target.parentNode.closest("menupopup")) {
-      return;
-    }
-    // Otherwise, clear its "data-initialized" attribute.
-    let menupopup = event.target.querySelector(
-      ".share-tab-url-item"
-    )?.menupopup;
-    menupopup?.removeAttribute("data-initialized");
-
-    event.target.removeEventListener("popuphiding", this);
-  },
-
-  onPopupShowing(event) {
-    if (!event.target.hasAttribute("data-initialized")) {
-      this.initializeShareURLPopup(event.target);
-    }
-  },
-
-  handleEvent(aEvent) {
-    switch (aEvent.type) {
-      case "command":
-        this.onShareURLCommand(aEvent);
-        break;
-      case "popuphiding":
-        this.onPopupHiding(aEvent);
-        break;
-      case "popupshowing":
-        this.onPopupShowing(aEvent);
-        break;
-    }
-  },
-};
-
 /**
  * Opens a new tab with the userContextId specified as an attribute of
  * sourceEvent. This attribute is propagated to the top level originAttributes