1 files changed, 162 insertions, 0 deletions
diff --git a/comm/mail/components/preferences/preferencesTab.js b/comm/mail/components/preferences/preferencesTab.js
new file mode 100644
index 0000000000..0a59fda382
--- /dev/null
+++ b/comm/mail/components/preferences/preferencesTab.js
@@ -0,0 +1,162 @@
+/* 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/. */
+
+// mail/base/content/specialTabs.js
+/* globals contentTabBaseType, DOMLinkHandler */
+
+var { XPCOMUtils } = ChromeUtils.importESModule(
+  "resource://gre/modules/XPCOMUtils.sys.mjs"
+);
+var { ExtensionParent } = ChromeUtils.importESModule(
+  "resource://gre/modules/ExtensionParent.sys.mjs"
+);
+
+/**
+ * A tab to show Preferences.
+ */
+var preferencesTabType = {
+  __proto__: contentTabBaseType,
+  name: "preferencesTab",
+  perTabPanel: "vbox",
+  lastBrowserId: 0,
+  bundle: Services.strings.createBundle(
+    "chrome://messenger/locale/messenger.properties"
+  ),
+  protoSvc: Cc["@mozilla.org/uriloader/external-protocol-service;1"].getService(
+    Ci.nsIExternalProtocolService
+  ),
+
+  get loadingTabString() {
+    delete this.loadingTabString;
+    return (this.loadingTabString = document
+      .getElementById("bundle_messenger")
+      .getString("loadingTab"));
+  },
+
+  modes: {
+    preferencesTab: {
+      type: "preferencesTab",
+    },
+  },
+
+  shouldSwitchTo(aArgs) {
+    if (!this.tab) {
+      return -1;
+    }
+    this.tab.browser.contentWindow.selectPrefPane(
+      aArgs.paneID,
+      aArgs.scrollPaneTo,
+      aArgs.otherArgs
+    );
+    return document.getElementById("tabmail").tabInfo.indexOf(this.tab);
+  },
+
+  closeTab(aTab) {
+    this.tab = null;
+  },
+
+  openTab(aTab, aArgs) {
+    aTab.tabNode.setIcon(
+      "chrome://messenger/skin/icons/new/compact/settings.svg"
+    );
+
+    // First clone the page and set up the basics.
+    let clone = document
+      .getElementById("preferencesTab")
+      .firstElementChild.cloneNode(true);
+
+    clone.setAttribute("id", "preferencesTab" + this.lastBrowserId);
+    clone.setAttribute("collapsed", false);
+
+    aTab.panel.setAttribute("id", "preferencesTabWrapper" + this.lastBrowserId);
+    aTab.panel.appendChild(clone);
+
+    // Start setting up the browser.
+    aTab.browser = aTab.panel.querySelector("browser");
+    aTab.browser.setAttribute(
+      "id",
+      "preferencesTabBrowser" + this.lastBrowserId
+    );
+    aTab.browser.setAttribute("autocompletepopup", "PopupAutoComplete");
+    aTab.browser.addEventListener("DOMLinkAdded", DOMLinkHandler);
+
+    aTab.findbar = document.createXULElement("findbar");
+    aTab.findbar.setAttribute(
+      "browserid",
+      "preferencesTabBrowser" + this.lastBrowserId
+    );
+    aTab.panel.appendChild(aTab.findbar);
+
+    // Default to reload being disabled.
+    aTab.reloadEnabled = false;
+
+    aTab.url = "about:preferences";
+    aTab.paneID = aArgs.paneID;
+    aTab.scrollPaneTo = aArgs.scrollPaneTo;
+    aTab.otherArgs = aArgs.otherArgs;
+
+    // Now set up the listeners.
+    this._setUpTitleListener(aTab);
+    this._setUpCloseWindowListener(aTab);
+
+    // Wait for full loading of the tab and the automatic selecting of last tab.
+    // Then run the given onload code.
+    aTab.browser.addEventListener(
+      "paneSelected",
+      function (event) {
+        aTab.pageLoading = false;
+        aTab.pageLoaded = true;
+
+        if ("onLoad" in aArgs) {
+          // Let selection of the initial pane complete before selecting another.
+          // Otherwise we can end up with two panes selected at once.
+          aTab.browser.contentWindow.setTimeout(() => {
+            // By now, the tab could already be closed. Check that it isn't.
+            if (aTab.panel) {
+              aArgs.onLoad(event, aTab.browser);
+            }
+          }, 0);
+        }
+      },
+      { once: true }
+    );
+
+    // Initialize our unit testing variables.
+    aTab.pageLoading = true;
+    aTab.pageLoaded = false;
+
+    // Now start loading the content.
+    aTab.title = this.loadingTabString;
+
+    ExtensionParent.apiManager.emit("extension-browser-inserted", aTab.browser);
+    let params = {
+      triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal(),
+      postData: aArgs.postData || null,
+    };
+    aTab.browser.loadURI(Services.io.newURI("about:preferences"), params);
+
+    this.tab = aTab;
+    this.lastBrowserId++;
+  },
+
+  persistTab(aTab) {
+    if (aTab.browser.currentURI.spec == "about:blank") {
+      return null;
+    }
+
+    return {
+      paneID: aTab.paneID,
+      scrollPaneTo: aTab.scrollPaneTo,
+      otherArgs: aTab.otherArgs,
+    };
+  },
+
+  restoreTab(aTabmail, aPersistedState) {
+    aTabmail.openTab("preferencesTab", {
+      paneID: aPersistedState.paneID,
+      scrollPaneTo: aPersistedState.scrollPaneTo,
+      otherArgs: aPersistedState.otherArgs,
+    });
+  },
+};