2 files changed, 173 insertions, 0 deletions
diff --git a/mailnews/extensions/offline-startup/js/offlineStartup.js b/mailnews/extensions/offline-startup/js/offlineStartup.js
new file mode 100644
index 000000000..56584465d
--- /dev/null
+++ b/mailnews/extensions/offline-startup/js/offlineStartup.js
@@ -0,0 +1,170 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
+
+Components.utils.import("resource://gre/modules/Services.jsm");
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+
+var kDebug              = false;
+var kOfflineStartupPref = "offline.startup_state";
+var kRememberLastState  = 0;
+var kAskForOnlineState  = 1;
+var kAlwaysOnline       = 2;
+var kAlwaysOffline      = 3;
+var kAutomatic          = 4;
+var   gStartingUp         = true;
+var   gOfflineStartupMode; //0 = remember last state, 1 = ask me, 2 == online, 3 == offline, 4 = automatic
+
+
+////////////////////////////////////////////////////////////////////////
+//
+//   nsOfflineStartup : nsIObserver
+//
+//   Check if the user has set the pref to be prompted for
+//   online/offline startup mode. If so, prompt the user. Also,
+//   check if the user wants to remember their offline state
+//   the next time they start up.
+//   If the user shutdown offline, and is now starting up in online
+//   mode, we will set the boolean pref "mailnews.playback_offline" to true.
+//
+////////////////////////////////////////////////////////////////////////
+
+var nsOfflineStartup =
+{
+  onProfileStartup: function()
+  {
+    debug("onProfileStartup");
+
+    if (gStartingUp)
+    {
+      gStartingUp = false;
+      // if checked, the "work offline" checkbox overrides
+      if (Services.io.offline && !Services.io.manageOfflineStatus)
+      {
+        debug("already offline!");
+        return;
+      }
+    }
+
+    var manageOfflineStatus = Services.prefs.getBoolPref("offline.autoDetect");
+    gOfflineStartupMode = Services.prefs.getIntPref(kOfflineStartupPref);
+    let wasOffline = !Services.prefs.getBoolPref("network.online");
+
+    if (gOfflineStartupMode == kAutomatic)
+    {
+      // Offline state should be managed automatically
+      // so do nothing specific at startup.
+    }
+    else if (gOfflineStartupMode == kAlwaysOffline)
+    {
+      Services.io.manageOfflineStatus = false;
+      Services.io.offline = true;
+    }
+    else if (gOfflineStartupMode == kAlwaysOnline)
+    {
+      Services.io.manageOfflineStatus = manageOfflineStatus;
+      if (wasOffline)
+        Services.prefs.setBoolPref("mailnews.playback_offline", true);
+      // If we're managing the offline status, don't force online here... it may
+      // be the network really is offline.
+      if (!manageOfflineStatus)
+        Services.io.offline = false;
+    }
+    else if (gOfflineStartupMode == kRememberLastState)
+    {
+      Services.io.manageOfflineStatus = manageOfflineStatus && !wasOffline;
+      // If we are meant to be online, and managing the offline status
+      // then don't force it - it may be the network really is offline.
+      if (!manageOfflineStatus || wasOffline)
+        Services.io.offline = wasOffline;
+    }
+    else if (gOfflineStartupMode == kAskForOnlineState)
+    {
+      var bundle = Services.strings.createBundle("chrome://messenger/locale/offlineStartup.properties");
+      var title = bundle.GetStringFromName("title");
+      var desc = bundle.GetStringFromName("desc");
+      var button0Text = bundle.GetStringFromName("workOnline");
+      var button1Text = bundle.GetStringFromName("workOffline");
+      var checkVal = {value:0};
+
+      var result = Services.prompt.confirmEx(null, title, desc,
+        (Services.prompt.BUTTON_POS_0 * Services.prompt.BUTTON_TITLE_IS_STRING) +
+        (Services.prompt.BUTTON_POS_1 * Services.prompt.BUTTON_TITLE_IS_STRING),
+        button0Text, button1Text, null, null, checkVal);
+      debug ("result = " + result + "\n");
+      Services.io.manageOfflineStatus = manageOfflineStatus && result != 1;
+      Services.io.offline = result == 1;
+      if (result != 1 && wasOffline)
+        Services.prefs.setBoolPref("mailnews.playback_offline", true);
+    }
+  },
+
+  observe: function(aSubject, aTopic, aData)
+  {
+    debug("observe: " + aTopic);
+
+    if (aTopic == "profile-change-net-teardown")
+    {
+      debug("remembering offline state");
+      Services.prefs.setBoolPref("network.online", !Services.io.offline);
+    }
+    else if (aTopic == "app-startup")
+    {
+      Services.obs.addObserver(this, "profile-after-change", false);
+      Services.obs.addObserver(this, "profile-change-net-teardown", false);
+    }
+    else if (aTopic == "profile-after-change")
+    {
+      this.onProfileStartup();
+    }
+  },
+
+
+  QueryInterface: function(aIID)
+  {
+    if (aIID.equals(Components.interfaces.nsIObserver) ||
+        aIID.equals(Components.interfaces.nsISupports))
+      return this;
+
+    throw Components.results.NS_ERROR_NO_INTERFACE;
+  }
+}
+
+function nsOfflineStartupModule()
+{
+}
+
+nsOfflineStartupModule.prototype =
+{
+  classID: Components.ID("3028a3c8-2165-42a4-b878-398da5d32736"),
+  _xpcom_factory:
+  {
+    createInstance: function(aOuter, aIID)
+    {
+      if (aOuter != null)
+        throw Components.results.NS_ERROR_NO_AGGREGATION;
+
+      // return the singleton
+      return nsOfflineStartup.QueryInterface(aIID);
+    },
+
+    lockFactory: function(aLock)
+    {
+      // quieten warnings
+    }
+  }
+};
+
+////////////////////////////////////////////////////////////////////////
+//
+//   Debug helper
+//
+////////////////////////////////////////////////////////////////////////
+if (!kDebug)
+  debug = function(m) {};
+else
+  debug = function(m) {dump("\t *** nsOfflineStartup: " + m + "\n");};
+
+var components = [nsOfflineStartupModule];
+var NSGetFactory = XPCOMUtils.generateNSGetFactory(components);
diff --git a/mailnews/extensions/offline-startup/js/offlineStartup.manifest b/mailnews/extensions/offline-startup/js/offlineStartup.manifest
new file mode 100644
index 000000000..61df84f76
--- /dev/null
+++ b/mailnews/extensions/offline-startup/js/offlineStartup.manifest
@@ -0,0 +1,3 @@
+component {3028a3c8-2165-42a4-b878-398da5d32736} offlineStartup.js
+contract @mozilla.org/offline-startup;1 {3028a3c8-2165-42a4-b878-398da5d32736}
+category app-startup Offline-startup @mozilla.org/offline-startup;1