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    41 

    42 #ifndef QMESSAGINGMAEMOHELPERPRIVATE_H

    43 #define QMESSAGINGMAEMOHELPERPRIVATE_H

    44 

    45 #include <qmessageglobal.h>

    46 #include <qmessageid.h>

    47 #include <qmessagesortorder.h>

    48 #include <qmessageaccountid.h>

    49 #include <qmessageaccountsortorder.h>

    50 #include <qmessagefolderid.h>

    51 #include <qmessagefoldersortorder.h>

    52 

    53 QTM_BEGIN_NAMESPACE

    54 

    55 class QMessageAccountFilter;

    56 class QMessageAccountSortOrder;

    57 class QMessageFolderFilter;

    58 class QMessageFolderSortOrder;

    59 class QMessageFilter;

    60 class QMessageSortOrder;

    61 

    62 class MessagingHelper

    63 {

    64 public:

    65     static MessagingHelper* instance();

    66 

    67     MessagingHelper();

    68     ~MessagingHelper();

    69 

    70     static void filterAccounts(QMessageAccountIdList& accountIds, const QMessageAccountFilter& filter);

    71     static void orderAccounts(QMessageAccountIdList& accountIds, const QMessageAccountSortOrder &sortOrder);

    72     static void applyOffsetAndLimitToAccountIdList(QMessageAccountIdList& accountIds, int limit, int offset);

    73     

    74     static void filterFolders(QMessageFolderIdList& folderIds, const QMessageFolderFilter& filter);

    75     static void orderFolders(QMessageFolderIdList& folderIds,  const QMessageFolderSortOrder &sortOrder);

    76     static void applyOffsetAndLimitToFolderIdList(QMessageFolderIdList& folderIds, int limit, int offset);

    77 

    78     static void filterMessages(QMessageIdList& messageIds, const QMessageFilter& filter);

    79     static void orderMessages(QMessageIdList& messageIds,  const QMessageSortOrder &sortOrder);

    80     static void applyOffsetAndLimitToMessageIdList(QMessageIdList& messageIds, int limit, int offset);

    81 

    82 private:

    83    static bool accountLessThan(const QMessageAccountId accountId1, const QMessageAccountId accountId2);

    84    static bool folderLessThan(const QMessageFolderId folderId1, const QMessageFolderId folderId2);

    85    static bool messageLessThan(const QMessageId messageId1, const QMessageId messageId2);

    86 

    87 private:

    88     QMessageAccountSortOrder* m_AccountSortOrder;

    89     QMessageFolderSortOrder* m_FolderSortOrder;

    90     QMessageSortOrder* m_MessageSortOrder;

    91 };

    92 

    93 QTM_END_NAMESPACE

    94 

    95 #endif // QMESSAGINGMAEMOHELPERPRIVATE_H