commandglue.js

来自「现在很火的邮件客户端软件thunderbird的源码」· JavaScript 代码 · 共 1,237 行 · 第 1/3 页

    // the collapsed state is the state after we released the mouse 
    // so we take it as it is
    gDBView.suppressMsgDisplay = now_hidden;
  }
  var event = document.createEvent('Events');
  if (now_hidden) {
    event.initEvent('messagepane-hide', false, true);
  }
  else {
    event.initEvent('messagepane-unhide', false, true);
  }
  document.getElementById("messengerWindow").dispatchEvent(event);
}

function OnMouseUpThreadAndMessagePaneSplitter()
{
  // the collapsed state is the state after we released the mouse 
  // so we take it as it is
  ChangeMessagePaneVisibility(IsMessagePaneCollapsed());
}

function FolderPaneSelectionChange()
{
    var folderTree = GetFolderTree();
    var folderSelection = folderTree.view.selection;

    // This prevents a folder from being loaded in the case that the user
    // has right-clicked on a folder different from the one that was
    // originally highlighted.  On a right-click, the highlight (selection)
    // of a row will be different from the value of currentIndex, thus if
    // the currentIndex is not selected, it means the user right-clicked
    // and we don't want to load the contents of the folder.
    if (!folderSelection.isSelected(folderSelection.currentIndex))
      return;

    if(gTimelineEnabled) {
      gTimelineService.startTimer("FolderLoading");
      gTimelineService.enter("FolderLoading has Started");
    }

    gVirtualFolderTerms = null;
    gXFVirtualFolderTerms = null;

    if (folderSelection.count == 1)
    {
        var startIndex = {};
        var endIndex = {};


        folderSelection.getRangeAt(0, startIndex, endIndex);
        var folderResource = GetFolderResource(folderTree, startIndex.value);
        var uriToLoad = folderResource.Value;
        var msgFolder = folderResource.QueryInterface(Components.interfaces.nsIMsgFolder);
        if (msgFolder == gMsgFolderSelected)
           return;

	      gPrevSelectedFolder = gMsgFolderSelected;
        gMsgFolderSelected = msgFolder;
        UpdateFolderLocationPicker(gMsgFolderSelected);
        var folderFlags = msgFolder.flags;
        // if this is same folder, and we're not showing a virtual folder
        // then do nothing.
        if (msgFolder == msgWindow.openFolder && 
          !(folderFlags & MSG_FOLDER_FLAG_VIRTUAL) && ! (gPrevFolderFlags & MSG_FOLDER_FLAG_VIRTUAL))
        {
            dump("msgFolder already open" + folderResource.URI + "\n");
            return;
        }
        else
        {
            OnLeavingFolder(gPrevSelectedFolder);  // mark all read in last folder
            var sortType = 0;
            var sortOrder = 0;
            var viewFlags = 0;
            var viewType = 0;
            gVirtualFolderTerms = null;
            gXFVirtualFolderTerms = null;
            gPrevFolderFlags = folderFlags;
            gCurrentVirtualFolderUri = null;
            // don't get the db if this folder is a server
            // we're going to be display account central
            if (!(msgFolder.isServer)) 
            {
              try 
              {
                var msgDatabase = msgFolder.getMsgDatabase(msgWindow);
                if (msgDatabase)
                {
                  var dbFolderInfo = msgDatabase.dBFolderInfo;
                  sortType = dbFolderInfo.sortType;
                  sortOrder = dbFolderInfo.sortOrder;
                  viewFlags = dbFolderInfo.viewFlags;
                  if (folderFlags & MSG_FOLDER_FLAG_VIRTUAL)
                  {
                    viewType = nsMsgViewType.eShowQuickSearchResults;
                    var searchTermString = dbFolderInfo.getCharPtrProperty("searchStr");
                    var searchOnline = dbFolderInfo.getBooleanProperty("searchOnline", false);
                    // trick the view code into updating the real folder...
                    gCurrentVirtualFolderUri = uriToLoad;
                    viewDebug("uriToLoad = " + uriToLoad + "\n");
                    var srchFolderUri = dbFolderInfo.getCharPtrProperty("searchFolderUri");
                    var srchFolderUriArray = srchFolderUri.split('|');
                    // cross folder search
                    var filterService = Components.classes["@mozilla.org/messenger/services/filters;1"].getService(Components.interfaces.nsIMsgFilterService);
                    var filterList = filterService.getTempFilterList(msgFolder);
                    var tempFilter = filterList.createFilter("temp");
                    filterList.parseCondition(tempFilter, searchTermString);
                    if (srchFolderUriArray.length > 1)
                    {
                      viewType = nsMsgViewType.eShowVirtualFolderResults;
                      gXFVirtualFolderTerms = CreateGroupedSearchTerms(tempFilter.searchTerms);
                      setupXFVirtualFolderSearch(srchFolderUriArray, gXFVirtualFolderTerms, searchOnline);
                      // need to set things up so that reroot folder issues the search
                    }
                    else
                    {
                      gSearchSession = null;
                      uriToLoad = srchFolderUri;
                      // we need to load the db for the actual folder so that many hdrs to download
                      // will return false...
                      var realFolderRes = GetResourceFromUri(uriToLoad);
                      var realFolder = realFolderRes.QueryInterface(Components.interfaces.nsIMsgFolder);
                      msgDatabase = realFolder.getMsgDatabase(msgWindow);
                      gVirtualFolderTerms = CreateGroupedSearchTerms(tempFilter.searchTerms);
                    }
                  }
                  else
                  {
                    gSearchSession = null;
                    viewFlags = dbFolderInfo.viewFlags;
                    viewType = dbFolderInfo.viewType;
                  }
                  msgDatabase = null;
                  dbFolderInfo = null;
                }
              }
              catch (ex)
              {
                dump("failed to get view & sort values.  ex = " + ex +"\n");
              }
            }
            if (gDBView && gDBView.viewType == nsMsgViewType.eShowQuickSearchResults)
            {
              if (gPreQuickSearchView) //close cached view before quick search
              {
                gPreQuickSearchView.close();
                gPreQuickSearchView = null;  
              }
              ClearQSIfNecessary();
            }
            ClearMessagePane();

            if (gXFVirtualFolderTerms)
              viewType = nsMsgViewType.eShowVirtualFolderResults;
            else if (gSearchEmailAddress || gDefaultSearchViewTerms || gVirtualFolderTerms) 
              viewType = nsMsgViewType.eShowQuickSearchResults;
            else if (viewType == nsMsgViewType.eShowQuickSearchResults)
              viewType = nsMsgViewType.eShowAllThreads;  //override viewType - we don't want to start w/ quick search
            ChangeFolderByURI(uriToLoad, viewType, viewFlags, sortType, sortOrder);
            if (gVirtualFolderTerms)
              gDBView.viewFolder = msgFolder;
        }
    }
    else
    {
        msgWindow.openFolder = null;
        ClearThreadPane();
    }

    if (gAccountCentralLoaded)
      UpdateMailToolbar("gAccountCentralLoaded");
    else if (gFakeAccountPageLoaded)
      UpdateMailToolbar("gFakeAccountPageLoaded");

    if (gDisplayStartupPage)
    {
        loadStartPage();
        gDisplayStartupPage = false;
        UpdateMailToolbar("gDisplayStartupPage");
    }    
}

function ClearThreadPane()
{
  if (gDBView) {
    gDBView.close();
    gDBView = null; 
  }
}

function IsSpecialFolder(msgFolder, flags, checkAncestors)
{
    if (!msgFolder) 
        return false;
    else if ((msgFolder.flags & flags) == 0)
    {
      var parentMsgFolder = msgFolder.parentMsgFolder;

      return (parentMsgFolder && checkAncestors) ? IsSpecialFolder(parentMsgFolder, flags, true) : false;
    }
    else {
        // the user can set their INBOX to be their SENT folder.
        // in that case, we want this folder to act like an INBOX, 
        // and not a SENT folder
        return !((flags & MSG_FOLDER_FLAG_SENTMAIL) && (msgFolder.flags & MSG_FOLDER_FLAG_INBOX));
    }
}

function SelectNextMessage(nextMessage)
{
    dump("XXX implement SelectNextMessage()\n");
}

function GetSelectTrashUri(folder)
{
    if (!folder) return null;
    var uri = folder.getAttribute('id');
    var resource = RDF.GetResource(uri);
    var msgFolder =
        resource.QueryInterface(Components.interfaces.nsIMsgFolder);
    if (msgFolder)
    {
        var rootFolder = msgFolder.rootFolder;
        var numFolder;
        var out = new Object();
        var trashFolder = rootFolder.getFoldersWithFlag(MSG_FOLDER_FLAG_TRASH, 1, out);
        numFolder = out.value;
        if (trashFolder) {
            return trashFolder.URI;
        }
    }
    return null;
}

function Undo()
{
    messenger.Undo(msgWindow);
}

function Redo()
{
    messenger.Redo(msgWindow);
}

function getSearchTermString(searchTerms)
{
  var searchIndex;
  var condition = "";
  var count = searchTerms.Count();
  for (searchIndex = 0; searchIndex < count; )
  {
    var term = searchTerms.QueryElementAt(searchIndex++, Components.interfaces.nsIMsgSearchTerm);
    
    if (condition.length > 1)
      condition += ' ';
    
    if (term.matchAll)
    {
        condition = "ALL";
        break;
    }
    condition += (term.booleanAnd) ? "AND (" : "OR (";
    condition += term.termAsString + ')';
  }
  return condition;
}

function  CreateVirtualFolder(newName, parentFolder, searchFolderURIs, searchTerms, searchOnline)
{
  // ### need to make sure view/folder doesn't exist.
  if (searchFolderURIs && (searchFolderURIs != "") && newName && (newName != "")) 
  {
    try
    {
      var newFolder = parentFolder.addSubfolder(newName);
      newFolder.prettyName = newName;
      newFolder.setFlag(MSG_FOLDER_FLAG_VIRTUAL);
      var vfdb = newFolder.getMsgDatabase(msgWindow);
      var searchTermString = getSearchTermString(searchTerms);
      var dbFolderInfo = vfdb.dBFolderInfo;
      // set the view string as a property of the db folder info
      // set the original folder name as well.
      dbFolderInfo.setCharPtrProperty("searchStr", searchTermString);
      dbFolderInfo.setCharPtrProperty("searchFolderUri", searchFolderURIs);
      dbFolderInfo.setBooleanProperty("searchOnline", searchOnline);

      vfdb.summaryValid = true;
      vfdb.Close(true);
      parentFolder.NotifyItemAdded(newFolder);
      var accountManager = Components.classes["@mozilla.org/messenger/account-manager;1"].getService(Components.interfaces.nsIMsgAccountManager);
      accountManager.saveVirtualFolders();
    }
    catch(e)
    {
      throw(e); // so that the dialog does not automatically close
      dump ("Exception : creating virtual folder \n");
    }
  }
  else 
  {
    dump("no name or nothing selected\n");
  }   
}

var searchSessionContractID = "@mozilla.org/messenger/searchSession;1";
var gSearchView;
var gSearchSession;

var nsIMsgFolder = Components.interfaces.nsIMsgFolder;
var nsIMsgWindow = Components.interfaces.nsIMsgWindow;
var nsIMsgRDFDataSource = Components.interfaces.nsIMsgRDFDataSource;
var nsMsgSearchScope = Components.interfaces.nsMsgSearchScope;

var gFolderDatasource;
var gFolderPicker;
var gStatusBar = null;
var gTimelineEnabled = false;
var gMessengerBundle = null;

// Datasource search listener -- made global as it has to be registered
// and unregistered in different functions.
var gDataSourceSearchListener;
var gViewSearchListener;

var gMailSession;

function GetScopeForFolder(folder) 
{
  return folder.server.searchScope;
}

function setupXFVirtualFolderSearch(folderUrisToSearch, searchTerms, searchOnline)
{
    var count = new Object;

    gSearchSession = Components.classes[searchSessionContractID].createInstance(Components.interfaces.nsIMsgSearchSession);

    gMailSession = Components.classes[mailSessionContractID].getService(Components.interfaces.nsIMsgMailSession);

    for (var i in folderUrisToSearch) 
    {
      var realFolderRes = GetResourceFromUri(folderUrisToSearch[i]);
      var realFolder = realFolderRes.QueryInterface(Components.interfaces.nsIMsgFolder);
      if (!realFolder.isServer)
        gSearchSession.addScopeTerm(!searchOnline ? nsMsgSearchScope.offlineMail : GetScopeForFolder(realFolder), realFolder);
    }

    var termsArray = searchTerms.QueryInterface(Components.interfaces.nsISupportsArray);
    for (var i = 0; i < termsArray.Count(); i++)
      gSearchSession.appendTerm(termsArray.GetElementAt(i).QueryInterface(Components.interfaces.nsIMsgSearchTerm));
}

function CreateGroupedSearchTerms(searchTermsArray)
{

  var searchSession = gSearchSession || 
    Components.classes[searchSessionContractID].createInstance(Components.interfaces.nsIMsgSearchSession);

  // create a temporary isupports array to store our search terms
  // since we will be modifying the terms so they work with quick search
  var searchTermsArrayForQS = Components.classes["@mozilla.org/supports-array;1"].createInstance(Components.interfaces.nsISupportsArray);
  
  var numEntries = searchTermsArray.Count();
  for (var i = 0; i < numEntries; i++) {
    var searchTerm = searchTermsArray.GetElementAt(i).QueryInterface(Components.interfaces.nsIMsgSearchTerm); 

    // clone the term, since we might be modifying it
    var searchTermForQS = searchSession.createTerm();
    searchTermForQS.value = searchTerm.value;
    searchTermForQS.attrib = searchTerm.attrib;
    searchTermForQS.arbitraryHeader = searchTerm.arbitraryHeader
    searchTermForQS.op = searchTerm.op;

    // mark the first node as a group
    if (i == 0)
      searchTermForQS.beginsGrouping = true;
    else if (i == numEntries - 1)
      searchTermForQS.endsGrouping = true;

    // turn the first term to true to work with quick search...
    searchTermForQS.booleanAnd = i ? searchTerm.booleanAnd : true; 
    
    searchTermsArrayForQS.AppendElement(searchTermForQS);
  }
  return searchTermsArrayForQS;
}

function OnLeavingFolder(aFolder)
{
  try
  {
    // Mark all messages of aFolder as read:
    // We can't use the command controller, because it is already tuned in to the
    // new folder, so we just mimic its behaviour wrt goDoCommand('cmd_markAllRead').
    if (gDBView && gPrefBranch.getBoolPref("mailnews.mark_message_read." + aFolder.server.type))
    {
      gDBView.doCommand(nsMsgViewCommandType.markAllRead);
    }
  }
  catch(e){/* ignore */}
}

var gViewDebug = false;

function viewDebug(str)
{
  if (gViewDebug)
    dump(str);
}