Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 567 insertions, 0 deletions

diff --git a/kmail/kmfoldercachedimap.h b/kmail/kmfoldercachedimap.h
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+/*
+ *  kmfoldercachedimap.cpp
+ *
+ *  Copyright (c) 2002-2004 Bo Thorsen <[email protected]>
+ *  Copyright (c) 2002-2003 Steffen Hansen <[email protected]>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *  In addition, as a special exception, the copyright holders give
+ *  permission to link the code of this program with any edition of
+ *  the Qt library by Trolltech AS, Norway (or with modified versions
+ *  of Qt that use the same license as Qt), and distribute linked
+ *  combinations including the two.  You must obey the GNU General
+ *  Public License in all respects for all of the code used other than
+ *  Qt.  If you modify this file, you may extend this exception to
+ *  your version of the file, but you are not obligated to do so.  If
+ *  you do not wish to do so, delete this exception statement from
+ *  your version.
+ */
+
+#ifndef kmfoldercachedimap_h
+#define kmfoldercachedimap_h
+
+#include <kdialogbase.h>
+#include <kstandarddirs.h>
+#include <qvaluelist.h>
+#include <qvaluevector.h>
+#include <qptrlist.h>
+#include <qdialog.h>
+
+#include "kmfoldermaildir.h"
+#include "kmfolderimap.h"
+#include "kmacctcachedimap.h"
+#include "kmfoldertype.h"
+#include "folderjob.h"
+#include "cachedimapjob.h"
+#include "quotajobs.h"
+
+using KMail::FolderJob;
+using KMail::QuotaInfo;
+class KMCommand;
+
+class QComboBox;
+class QRadioButton;
+
+namespace KMail {
+  class AttachmentStrategy;
+  class ImapAccountBase;
+  struct ACLListEntry;
+}
+using KMail::AttachmentStrategy;
+
+class DImapTroubleShootDialog : public KDialogBase
+{
+  Q_OBJECT
+public:
+  enum SelectedOperation {
+    None = -1,
+    ReindexCurrent = 0,
+    ReindexRecursive = 1,
+    ReindexAll = 2,
+    RefreshCache
+  };
+
+  DImapTroubleShootDialog( QWidget* parent=0, const char* name=0 );
+
+  static int run();
+
+private slots:
+  void slotDone();
+
+private:
+  QRadioButton *mIndexButton, *mCacheButton;
+  QComboBox *mIndexScope;
+  int rc;
+};
+
+class KMFolderCachedImap : public KMFolderMaildir
+{
+  Q_OBJECT
+
+public:
+  static QString cacheLocation() {
+     return locateLocal("data", "kmail/dimap" );
+  }
+
+  /** Usually a parent is given. But in some cases there is no
+    fitting parent object available. Then the name of the folder
+    is used as the absolute path to the folder file. */
+  KMFolderCachedImap(KMFolder* folder, const char* name=0);
+  virtual ~KMFolderCachedImap();
+
+  /**  @reimpl */
+  void reallyDoClose(const char* owner);
+
+  /** Initialize this storage from another one. Used when creating a child folder */
+  void initializeFrom( KMFolderCachedImap* parent );
+
+  virtual void readConfig();
+  virtual void writeConfig();
+
+  void writeConfigKeysWhichShouldNotGetOverwrittenByReadConfig();
+
+  /** Returns the type of this folder */
+  virtual KMFolderType folderType() const { return KMFolderTypeCachedImap; }
+
+  /** @reimpl */
+  virtual int create();
+
+  /** Remove this folder */
+  virtual void remove();
+
+  /** Synchronize this folder and it's subfolders with the server */
+  virtual void serverSync( bool recurse );
+
+  /**  Force the sync state to be done. */
+  void resetSyncState( );
+
+  /** Block this folder from generating alarms, even if the annotations
+   * on it say otherwise. Used to override alarms for read-only folders.
+   * (Only useful for resource folders) */
+  void setAlarmsBlocked( bool blocked );
+  /** Should alarms for this folder be blocked?  (Only useful for resource folders) */
+  bool alarmsBlocked() const;
+
+  void checkUidValidity();
+
+  enum imapState { imapNoInformation=0, imapInProgress=1, imapFinished=2 };
+
+  virtual imapState getContentState() { return mContentState; }
+  virtual void setContentState(imapState state) { mContentState = state; }
+
+  virtual imapState getSubfolderState() { return mSubfolderState; }
+  virtual void setSubfolderState(imapState state);
+
+  /** The path to the imap folder on the server */
+  void setImapPath(const QString &path);
+  QString imapPath() const { return mImapPath; }
+
+  /** The highest UID in the folder */
+  void setLastUid( ulong uid );
+  ulong lastUid();
+
+  /** Find message by UID. Returns NULL if it doesn't exist */
+  KMMsgBase* findByUID( ulong uid );
+
+  /** The uidvalidity of the last update */
+  void setUidValidity(const QString &validity) { mUidValidity = validity; }
+  QString uidValidity() const { return mUidValidity; }
+
+  /** Forget which mails are considered locally present. Needed when uidvalidity
+   * changes. */
+  void clearUidMap() { uidMap.clear(); }
+
+  /** The imap account associated with this folder */
+  void setAccount(KMAcctCachedImap *acct);
+  KMAcctCachedImap* account() const;
+
+  /** Returns the filename of the uidcache file */
+  QString uidCacheLocation() const;
+
+  /** Read the uidValitidy and lastUid values from disk */
+  int readUidCache();
+
+  /** Write the uidValitidy and lastUid values to disk */
+  int writeUidCache();
+
+  /** Current progress status (between 0 and 100) */
+  int progress() const { return mProgress; }
+
+  /* Reimplemented from KMFolder. Moving is not supported, so aParent must be 0 */
+  virtual int rename(const QString& aName, KMFolderDir *aParent=0);
+
+  /**
+   * Reimplemented from KMFolderMaildir
+   * This deletes the message permanently, also from the server. For this, rememberDeletion() is
+   * called, so that the message can be deleted from the server on the next sync.
+   */
+  virtual KMMessage* take(int idx);
+
+  /**
+   * Like take(), only that the deletion is not remembered, i.e. the message will not be deleted
+   * from the server.
+   * Calling this can cause inconsistencies, so make sure you re-add the message later!
+   */
+  void takeTemporarily( int idx );
+
+  /* Reimplemented from KMFolderMaildir */
+  virtual int addMsg(KMMessage* msg, int* index_return = 0);
+  /* internal version that doesn't remove the X-UID header */
+  virtual int addMsgInternal(KMMessage* msg, bool, int* index_return = 0);
+  virtual int addMsgKeepUID(KMMessage* msg, int* index_return = 0) {
+    return addMsgInternal(msg, false, index_return);
+  }
+
+  /* Reimplemented from KMFolderMaildir */
+  virtual void removeMsg(int i, bool imapQuiet = false);
+  virtual void removeMsg(QPtrList<KMMessage> msgList, bool imapQuiet = false)
+    { FolderStorage::removeMsg(msgList, imapQuiet); }
+
+  /// Is the folder readonly?
+  bool isReadOnly() const { return KMFolderMaildir::isReadOnly() || mReadOnly; }
+
+
+  /**
+   * Emit the folderComplete signal
+   */
+  void sendFolderComplete(bool success)
+  { emit folderComplete(this, success); }
+
+  /**
+   * The silentUpload can be set to remove the folder upload error dialog
+   */
+  void setSilentUpload( bool silent ) { mSilentUpload = silent; }
+  bool silentUpload() { return mSilentUpload; }
+
+  virtual int createIndexFromContents() {
+    const int result = KMFolderMaildir::createIndexFromContents();
+    reloadUidMap();
+    return result;
+  }
+
+  int createIndexFromContentsRecursive();
+
+  //virtual void holdSyncs( bool hold ) { mHoldSyncs = hold; }
+
+  /**
+   * List a directory and add the contents to kmfoldermgr
+   * It uses a ListJob to get the folders
+   * returns false if the connection failed
+   */
+  virtual bool listDirectory();
+
+  virtual void listNamespaces();
+
+  /** Return the trash folder. */
+  KMFolder* trashFolder() const;
+
+  /**
+   * The user's rights on this folder - see bitfield in ACLJobs namespace.
+   * @return 0 when not known yet, -1 if there was an error fetching them
+   */
+  int userRights() const { return mUserRights; }
+
+  /// Set the user's rights on this folder - called by getUserRights
+  void setUserRights( unsigned int userRights );
+
+  /**
+   * The quota information for this folder.
+   * @return an invalid info if we haven't synced yet, or the server
+   * doesn't support quota. The difference can be figured out by
+   * asking the account whether it supports quota. If we have
+   * synced, the account supports quota, but there is no quota
+   * on the folder, the return info will be valid, but empty.
+   * @see QuotaInfo::isEmpty(), QuotaInfo::isValid()
+   */
+  const QuotaInfo quotaInfo() const { return mQuotaInfo; }
+  void setQuotaInfo( const QuotaInfo & );
+
+  /// Return the list of ACL for this folder
+  typedef QValueVector<KMail::ACLListEntry> ACLList;
+  const ACLList& aclList() const { return mACLList; }
+
+  /// Set the list of ACL for this folder (for FolderDiaACLTab)
+  void setACLList( const ACLList& arr );
+
+  // Reimplemented so the mStatusChangedLocally bool can be set
+  virtual void setStatus( int id, KMMsgStatus status, bool toggle );
+  virtual void setStatus( QValueList<int>& ids, KMMsgStatus status, bool toggle );
+
+  QString annotationFolderType() const { return mAnnotationFolderType; }
+
+  // For kmailicalifaceimpl only
+  void updateAnnotationFolderType();
+
+  /// Free-busy and alarms relevance of this folder, i.e. for whom should
+  /// events in this calendar lead to "busy" periods in their freebusy lists,
+  /// and who should get alarms for the incidences in this folder.
+  /// Applies to Calendar and Task folders only.
+  ///
+  /// IncForNobody: not relevant for free-busy and alarms to anybody
+  /// IncForAdmins: apply to persons with admin permissions on this calendar
+  /// IncForReaders: apply to all readers of this calendar
+  enum IncidencesFor { IncForNobody, IncForAdmins, IncForReaders };
+
+  IncidencesFor incidencesFor() const { return mIncidencesFor; }
+  /// For the folder properties dialog
+  void setIncidencesFor( IncidencesFor incfor );
+
+  /** Returns true if this folder can be moved */
+  virtual bool isMoveable() const;
+
+  /**
+   * List of namespaces that need to be queried
+   * Is set by the account for the root folder when the listing starts
+   */
+  QStringList namespacesToList() { return mNamespacesToList; }
+  void setNamespacesToList( QStringList list ) { mNamespacesToList = list; }
+
+  /**
+   * Specify an imap path that is used to create the folder on the server
+   * Otherwise the parent folder is used to construct the path
+   */
+  const QString& imapPathForCreation() { return mImapPathCreation; }
+  void setImapPathForCreation( const QString& path ) { mImapPathCreation = path; }
+
+  /**  \reimp */
+  bool isCloseToQuota() const;
+
+  /** Flags that can be permanently stored on the server. */
+  int permanentFlags() const { return mPermanentFlags; }
+
+
+  QString folderAttributes() const { return mFolderAttributes; }
+
+protected slots:
+  void slotGetMessagesData(KIO::Job * job, const QByteArray & data);
+  void getMessagesResult(KMail::FolderJob *, bool lastSet);
+  void slotGetLastMessagesResult(KMail::FolderJob *);
+  void slotProgress(unsigned long done, unsigned long total);
+  void slotPutProgress( unsigned long, unsigned long );
+
+  //virtual void slotCheckValidityResult(KIO::Job * job);
+  void slotSubFolderComplete(KMFolderCachedImap*, bool);
+
+  // Connected to the imap account
+  void slotConnectionResult( int errorCode, const QString& errorMsg );
+
+  void slotCheckUidValidityResult( KMail::FolderJob* job );
+  void slotPermanentFlags( int flags );
+  void slotTestAnnotationResult(KIO::Job *job);
+  void slotGetAnnotationResult( KIO::Job* );
+  void slotMultiUrlGetAnnotationResult( KIO::Job* );
+  void slotSetAnnotationResult(KIO::Job *job);
+  void slotReceivedUserRights( KMFolder* );
+  void slotReceivedACL( KMFolder*, KIO::Job*, const KMail::ACLList& );
+
+  void slotMultiSetACLResult(KIO::Job *);
+  void slotACLChanged( const QString&, int );
+  void slotAnnotationResult(const QString& entry, const QString& value, bool found);
+  void slotAnnotationChanged( const QString& entry, const QString& attribute, const QString& value );
+  void slotDeleteMessagesResult(KMail::FolderJob *);
+  void slotImapStatusChanged(KMFolder* folder, const QString&, bool);
+  void slotStorageQuotaResult( const QuotaInfo& );
+  void slotQuotaResult( KIO::Job* job );
+
+protected:
+  /* returns true if there were messages to delete
+     on the server */
+  bool deleteMessages();
+  void listMessages();
+  void uploadNewMessages();
+  void uploadFlags();
+  void uploadSeenFlags();
+  void createNewFolders();
+
+  void listDirectory2();
+  void createFoldersNewOnServerAndFinishListing( const QValueVector<int> foldersNewOnServer );
+
+
+  /** Utility methods for syncing. Finds new messages
+      in the local cache that must be uploaded */
+  virtual QValueList<unsigned long> findNewMessages();
+  /** Utility methods for syncing. Finds new subfolders
+      in the local cache that must be created in the server */
+  virtual QValueList<KMFolderCachedImap*> findNewFolders();
+
+  /** This returns false if we have subfolders. Otherwise it returns ::canRemoveFolder() */
+  virtual bool canRemoveFolder() const;
+
+    /** Reimplemented from KMFolder */
+  virtual FolderJob* doCreateJob( KMMessage *msg, FolderJob::JobType jt, KMFolder *folder,
+                                  QString partSpecifier, const AttachmentStrategy *as ) const;
+  virtual FolderJob* doCreateJob( QPtrList<KMMessage>& msgList, const QString& sets,
+                                  FolderJob::JobType jt, KMFolder *folder ) const;
+
+  virtual void timerEvent( QTimerEvent* );
+
+  /* update progress status */
+  void newState( int progress, const QString& syncStatus );
+
+  /** See if there is a better parent then this folder */
+  KMFolderCachedImap* findParent( const QString& path, const QString& name );
+
+
+
+public slots:
+  /**
+   * Add the data a KIO::Job retrieves to the buffer
+   */
+  void slotSimpleData(KIO::Job * job, const QByteArray & data);
+
+  /**
+   * Troubleshoot the IMAP cache
+   */
+  void slotTroubleshoot();
+
+  /**
+   * Connected to ListJob::receivedFolders
+   * creates/removes folders
+   */
+  void slotListResult( const QStringList&, const QStringList&,
+      const QStringList&, const QStringList&, const ImapAccountBase::jobData& );
+
+  /**
+   * Connected to ListJob::receivedFolders
+   * creates namespace folders
+   */
+  void slotCheckNamespace( const QStringList&, const QStringList&,
+      const QStringList&, const QStringList&, const ImapAccountBase::jobData& );
+
+private slots:
+  void serverSyncInternal();
+  void slotIncreaseProgress();
+  void slotUpdateLastUid();
+  void slotFolderDeletionOnServerFinished();
+  void slotRescueDone( KMCommand* command );
+
+signals:
+  void folderComplete(KMFolderCachedImap *folder, bool success);
+  void listComplete( KMFolderCachedImap* );
+
+  /** emitted when we enter the state "state" and
+     have to process "number" items (for example messages
+  */
+  void syncState( int state, int number );
+
+private:
+  void setReadOnly( bool readOnly );
+  QString state2String( int state ) const;
+  void rememberDeletion( int );
+  /** Rescue not yet synced messages to a lost+found folder in case
+    syncing is not possible because the folder has been deleted on the
+    server or write access to this folder has been revoked.
+  */
+  KMCommand* rescueUnsyncedMessages();
+  /** Recursive helper function calling the above method. */
+  void rescueUnsyncedMessagesAndDeleteFolder( KMFolder *folder, bool root = true );
+
+  /** State variable for the synchronization mechanism */
+  enum {
+    SYNC_STATE_INITIAL,
+    SYNC_STATE_TEST_ANNOTATIONS,
+    SYNC_STATE_PUT_MESSAGES,
+    SYNC_STATE_UPLOAD_FLAGS,
+    SYNC_STATE_CREATE_SUBFOLDERS,
+    SYNC_STATE_LIST_NAMESPACES,
+    SYNC_STATE_LIST_SUBFOLDERS,
+    SYNC_STATE_LIST_SUBFOLDERS2,
+    SYNC_STATE_DELETE_SUBFOLDERS,
+    SYNC_STATE_LIST_MESSAGES,
+    SYNC_STATE_DELETE_MESSAGES,
+    SYNC_STATE_EXPUNGE_MESSAGES,
+    SYNC_STATE_GET_MESSAGES,
+    SYNC_STATE_HANDLE_INBOX,
+    SYNC_STATE_GET_USERRIGHTS,
+    SYNC_STATE_GET_ANNOTATIONS,
+    SYNC_STATE_SET_ANNOTATIONS,
+    SYNC_STATE_GET_ACLS,
+    SYNC_STATE_SET_ACLS,
+    SYNC_STATE_GET_QUOTA,
+    SYNC_STATE_FIND_SUBFOLDERS,
+    SYNC_STATE_SYNC_SUBFOLDERS,
+    SYNC_STATE_CHECK_UIDVALIDITY,
+    SYNC_STATE_RENAME_FOLDER
+  } mSyncState;
+
+  int mProgress;
+  int mStatusFlagsJobs;
+
+  QString mUidValidity;
+  QString     mImapPath;
+  imapState   mContentState, mSubfolderState;
+  QStringList mSubfolderNames, mSubfolderPaths,
+              mSubfolderMimeTypes, mSubfolderAttributes;
+  QString     mFolderAttributes;
+  QString     mAnnotationFolderType;
+  IncidencesFor mIncidencesFor;
+
+  bool        mHasInbox;
+  bool        mIsSelected;
+  bool        mCheckFlags;
+  bool        mReadOnly;
+  mutable QGuardedPtr<KMAcctCachedImap> mAccount;
+
+  QIntDict<int> uidsOnServer;
+  QValueList<ulong> uidsForDeletionOnServer;
+  QValueList<KMail::CachedImapJob::MsgForDownload> mMsgsForDownload;
+  QValueList<ulong> mUidsForDownload;
+  QStringList       foldersForDeletionOnServer;
+
+  QValueList<KMFolderCachedImap*> mSubfoldersForSync;
+  KMFolderCachedImap* mCurrentSubfolder;
+
+  /** Mapping uid -> index
+      Keep updated in addMsg, take and removeMsg. This is used to lookup
+      whether a mail is present locally or not.  */
+  QMap<ulong,int> uidMap;
+  bool uidMapDirty;
+  void reloadUidMap();
+  int uidWriteTimer;
+
+  /** This is the last uid that we have seen from the server on the last
+      sync. It is crucially important that this is correct at all times
+      and not bumped up permaturely, as it is the watermark which is used
+      to discern message which are not present locally, because they were
+      deleted locally and now need to be deleted from the server,
+      from those which are new and need to be downloaded. Sucessfull
+      downloading of all pending mail from the server sets this. Between
+      invocations it is stored on disk in the uidcache file. It must not
+      change during a sync. */
+  ulong mLastUid;
+  /** The highest id encountered while syncing. Once the sync process has
+      successfully downloaded all pending mail and deleted on the server
+      all messages that were removed locally, this will become the new
+      mLastUid. See above for details. */
+  ulong mTentativeHighestUid;
+
+  /** Used to determine whether listing messages yielded a sensible result.
+   * Only then is the deletion o messages (which relies on succesful
+   * listing) attempted, during the sync.  */
+  bool mFoundAnIMAPDigest;
+
+  int mUserRights, mOldUserRights;
+  ACLList mACLList;
+
+  bool mSilentUpload;
+  bool mFolderRemoved;
+  //bool mHoldSyncs;
+  bool mRecurse;
+  /** Set to true by setStatus. Indicates that the client has changed
+      the status of at least one mail. The mail flags will therefore be
+      uploaded to the server, overwriting the server's notion of the status
+      of the mails in this folder. */
+  bool mStatusChangedLocally;
+  /// Set to true when the foldertype annotation needs to be set on the next sync
+  bool mAnnotationFolderTypeChanged;
+  /// Set to true when the "incidences-for" annotation needs to be set on the next sync
+  bool mIncidencesForChanged;
+
+  QStringList mNamespacesToList;
+  int mNamespacesToCheck;
+  bool mPersonalNamespacesCheckDone;
+  QString mImapPathCreation;
+
+  QuotaInfo mQuotaInfo;
+  QMap<ulong,void*> mDeletedUIDsSinceLastSync;
+  bool mAlarmsBlocked;
+
+  QValueList<KMFolder*> mToBeDeletedAfterRescue;
+  int mRescueCommandCount;
+
+  int mPermanentFlags;
+};
+
+#endif /*kmfoldercachedimap_h*/