mailcontextmenus.js

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# -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
#
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is Mozilla Communicator client code, released
# March 31, 1998.
#
# The Initial Developer of the Original Code is
# Netscape Communications Corporation.
# Portions created by the Initial Developer are Copyright (C) 2000
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
#   Jan Varga <[e-mail]>
#   Hakan Waara <[e-mail]>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****

//NOTE: gMessengerBundle must be defined and set or this Overlay won't work

const mailtolength = 7;

// Function to change the highlighted row back to the row that is currently
// outline/dotted without loading the contents of either rows.  This is
// triggered when the context menu for a given row is hidden/closed
// (onpopuphiding).
function RestoreSelectionWithoutContentLoad(tree)
{
    // If a delete or move command had been issued, then we should
    // reset gRightMouseButtonDown and gThreadPaneDeleteOrMoveOccurred
    // and return (see bug 142065).
    if(gThreadPaneDeleteOrMoveOccurred)
    {
      gRightMouseButtonDown = false;
      gThreadPaneDeleteOrMoveOccurred = false;
      return;
    }

    var treeSelection = tree.view.selection;

    // make sure that currentIndex is valid so that we don't try to restore
    // a selection of an invalid row.
    if((!treeSelection.isSelected(treeSelection.currentIndex)) &&
       (treeSelection.currentIndex >= 0))
    {
        treeSelection.selectEventsSuppressed = true;
        treeSelection.select(treeSelection.currentIndex);
        treeSelection.selectEventsSuppressed = false;

        // Keep track of which row in the thread pane is currently selected.
        // This is currently only needed when deleting messages.  See
        // declaration of var in msgMail3PaneWindow.js.
        if(tree.id == "threadTree")
          gThreadPaneCurrentSelectedIndex = treeSelection.currentIndex;
    }
    else if(treeSelection.currentIndex < 0)
        // Clear the selection in the case of when a folder has just been
        // loaded where the message pane does not have a message loaded yet.
        // When right-clicking a message in this case and dismissing the
        // popup menu (by either executing a menu command or clicking
        // somewhere else),  the selection needs to be cleared.
        // However, if the 'Delete Message' or 'Move To' menu item has been
        // selected, DO NOT clear the selection, else it will prevent the
        // tree view from refreshing.
        treeSelection.clearSelection();

    // Need to reset gRightMouseButtonDown to false here because
    // TreeOnMouseDown() is only called on a mousedown, not on a key down.
    // So resetting it here allows the loading of messages in the messagepane
    // when navigating via the keyboard or the toolbar buttons *after*
    // the context menu has been dismissed.
    gRightMouseButtonDown = false;
}

function threadPaneOnPopupHiding()
{
  RestoreSelectionWithoutContentLoad(GetThreadTree());
}

function fillThreadPaneContextMenu()
{
  var numSelected = GetNumSelectedMessages();

  var isNewsgroup = false;
  var selectedMessage = null;

  // Clear the global var used to keep track if a 'Delete Message' or 'Move
  // To' command has been triggered via the thread pane context menu.
  gThreadPaneDeleteOrMoveOccurred = false;

  if(numSelected >= 0) {
    selectedMessage = GetFirstSelectedMessage();
    isNewsgroup = IsNewsMessage(selectedMessage);
  }

  SetupNewMessageWindowMenuItem("threadPaneContext-openNewWindow", numSelected, false);
  SetupEditAsNewMenuItem("threadPaneContext-editAsNew", numSelected, false);

  ShowMenuItem("threadPaneContext-sep-open", (numSelected <= 1));

  SetupReplyToSenderMenuItem("threadPaneContext-replySender", numSelected, false);
  SetupReplyToNewsgroupMenuItem("threadPaneContext-replyNewsgroup", numSelected, isNewsgroup, false);
  SetupReplyAllMenuItem("threadPaneContext-replyAll", numSelected, false);
  SetupForwardMenuItem("threadPaneContext-forward", numSelected, false);
  SetupForwardAsAttachmentMenuItem("threadPaneContext-forwardAsAttachment", numSelected, false);

  ShowMenuItem("threadPaneContext-sep-reply", true);

  SetupCopyMessageUrlMenuItem("threadPaneContext-copyMessageUrl", numSelected, isNewsgroup, numSelected != 1); 
  SetupCopyMenuItem("threadPaneContext-copyMenu", numSelected, false);
  SetupMoveMenuItem("threadPaneContext-moveMenu", numSelected, isNewsgroup, false);
  SetupMoveToFolderAgainMenuItem("threadPaneContext-moveToFolderAgain", numSelected, false);
    
  EnableMenuItem("threadPaneContext-labels", (numSelected >= 1));
  EnableMenuItem("threadPaneContext-mark", (numSelected >= 1));
  SetupSaveAsMenuItem("threadPaneContext-saveAs", numSelected, false);
#ifdef XP_MACOSX
  SetupPrintPreviewMenuItem("threadPaneContext-printpreview", numSelected, true);
#else
  SetupPrintPreviewMenuItem("threadPaneContext-printpreview", numSelected, false);
#endif
  SetupPrintMenuItem("threadPaneContext-print", numSelected, false);
  SetupDeleteMenuItem("threadPaneContext-delete", numSelected, false);
  SetupAddSenderToABMenuItem("threadPaneContext-addSenderToAddressBook", numSelected, false);
  SetupAddAllToABMenuItem("threadPaneContext-addAllToAddressBook", numSelected, false);

  ShowMenuItem("threadPaneContext-sep-edit", (numSelected <= 1));
  
  EnableMenuItem('downloadSelected', GetNumSelectedMessages() > 0);

  return(true);
}

function SetupNewMessageWindowMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, (numSelected <= 1) && !forceHide);
  EnableMenuItem(menuID, (numSelected == 1));
}

function SetupEditAsNewMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, (numSelected <= 1)&& !forceHide);
  EnableMenuItem(menuID, (numSelected == 1));
}

function SetupReplyToSenderMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, (numSelected <= 1)&& !forceHide);
  EnableMenuItem(menuID, (numSelected == 1));
}

function SetupReplyToNewsgroupMenuItem(menuID, numSelected, isNewsgroup, forceHide)
{
  ShowMenuItem(menuID, (numSelected <= 1) && isNewsgroup && !forceHide);
  EnableMenuItem(menuID,  (numSelected == 1));
}

function SetupReplyAllMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, (numSelected <= 1) && !forceHide);
  EnableMenuItem(menuID, (numSelected == 1));
}

function SetupForwardMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID,  (numSelected <= 1) && !forceHide);
  EnableMenuItem(menuID, (numSelected > 0));
}

function SetupForwardAsAttachmentMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID,  (numSelected > 1) && !forceHide);
  EnableMenuItem(menuID, (numSelected > 1));
}

function SetupMoveMenuItem(menuID, numSelected, isNewsgroup, forceHide)
{
  ShowMenuItem(menuID, !isNewsgroup && !forceHide);

  var msgFolder = GetLoadedMsgFolder();
  // disable move if we can't delete message(s) from this folder
  var enableMenuItem = (numSelected > 0) && msgFolder && msgFolder.canDeleteMessages;
  EnableMenuItem(menuID, enableMenuItem);
}

function SetupCopyMessageUrlMenuItem(menuID, numSelected, isNewsgroup, forceHide)
{
  ShowMenuItem(menuID, isNewsgroup && !forceHide);
  EnableMenuItem(menuID, (numSelected > 0));
}

function SetupCopyMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, !forceHide);
  EnableMenuItem(menuID, (numSelected > 0));
}

function SetupMoveToFolderAgainMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, !forceHide);
  if (!forceHide)
    initMoveToFolderAgainMenu(document.getElementById(menuID));
}

function SetupLabelsMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, (numSelected <= 1) && !forceHide);
  EnableMenuItem(menuID, (numSelected == 1));
}

function SetupTagMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, (numSelected <= 1) && !forceHide);
  EnableMenuItem(menuID, (numSelected == 1));
}

function SetupMarkMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, (numSelected <= 1) && !forceHide);
  EnableMenuItem(menuID, (numSelected == 1));
}

function SetupSaveAsMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, (numSelected <= 1) && !forceHide);
  EnableMenuItem(menuID, (numSelected == 1));
}

function SetupPrintPreviewMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, (numSelected <= 1) && !forceHide);
  EnableMenuItem(menuID, (numSelected == 1));
}

function SetupPrintMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, !forceHide);
  EnableMenuItem(menuID, (numSelected > 0));
}

function SetupAddSenderToABMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, (numSelected <= 1) && !forceHide);
  EnableMenuItem(menuID, false);
}

function SetupAddAllToABMenuItem(menuID, numSelected, forceHide)
{
  ShowMenuItem(menuID, (numSelected <= 1) && !forceHide);
  EnableMenuItem(menuID, false);
}

function SetupDeleteMenuItem(menuID, numSelected, forceHide)
{
  // This function is needed for the case where a folder is just loaded (while
  // there isn't a message loaded in the message pane), a right-click is done
  // in the thread pane.  This function will disable enable the 'Delete
  // Message' menu item.
  ShowMenuItem(menuID, !forceHide);
  EnableMenuItem(menuID, (numSelected > 0));
  goUpdateCommand('cmd_delete');
}

function folderPaneOnPopupHiding()
{
  RestoreSelectionWithoutContentLoad(GetFolderTree());
}

function fillFolderPaneContextMenu()
{
  if (IsFakeAccount())
    return false;

  var folderTree = GetFolderTree();
  var startIndex = {};
  var endIndex = {};
  folderTree.view.selection.getRangeAt(0, startIndex, endIndex);
  if (startIndex.value < 0)
    return false;
  var numSelected = endIndex.value - startIndex.value + 1;
  var folderResource = GetFolderResource(folderTree, startIndex.value);
  var folder = GetMsgFolderFromUri(folderResource.Value, false);
  var isVirtualFolder = folder ? folder.flags & MSG_FOLDER_FLAG_VIRTUAL : false;

  var isServer = GetFolderAttribute(folderTree, folderResource, "IsServer") == 'true';
  var serverType = GetFolderAttribute(folderTree, folderResource, "ServerType");
  var specialFolder = GetFolderAttribute(folderTree, folderResource, "SpecialFolder");
  var canSubscribeToFolder = (serverType == "nntp") || (serverType == "imap");
  var isNewsgroup = !isServer && serverType == 'nntp';
  var isMailFolder = !isServer && serverType != 'nntp';
  var canGetMessages =  (isServer && (serverType != "nntp") && (serverType !="none")) || isNewsgroup;

  EnableMenuItem("folderPaneContext-properties", true);

  SetupNewMenuItem(folderResource, numSelected, isServer, serverType, specialFolder);
  SetupRenameMenuItem(folderResource, numSelected, isServer, serverType, specialFolder);
  SetupRemoveMenuItem(folderResource, numSelected, isServer, serverType, specialFolder);
  SetupCompactMenuItem(folderResource, numSelected);
  SetupFavoritesMenuItem(folderResource, numSelected, isServer, 'folderPaneContext-favoriteFolder');

  ShowMenuItem("folderPaneContext-copy-location", !isServer && !isVirtualFolder);
  ShowMenuItem("folderPaneContext-emptyTrash", (numSelected <= 1) && (specialFolder == 'Trash'));
  EnableMenuItem("folderPaneContext-emptyTrash", true);

  var showSendUnsentMessages = (numSelected <= 1) && (specialFolder == 'Unsent Messages');
  ShowMenuItem("folderPaneContext-sendUnsentMessages", showSendUnsentMessages);
  if (showSendUnsentMessages) 
    EnableMenuItem("folderPaneContext-sendUnsentMessages", IsSendUnsentMsgsEnabled(folderResource));

  ShowMenuItem("folderPaneContext-subscribe", (numSelected <= 1) && canSubscribeToFolder && !isVirtualFolder);
  EnableMenuItem("folderPaneContext-subscribe", !isVirtualFolder);

  // XXX: Hack for RSS servers...