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98 lines
3 KiB
C++
98 lines
3 KiB
C++
/* Copyright 2008,2009 Rolf Eike Beer <kde@opensource.sf-tec.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License or (at your option) version 3 or any later version
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* accepted by the membership of KDE e.V. (or its successor approved
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* by the membership of KDE e.V.), which shall act as a proxy
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* defined in Section 14 of version 3 of the license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef KGPGREFNODE_H
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#define KGPGREFNODE_H
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#include "KGpgNode.h"
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class KGpgKeyNode;
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class KGpgRootNode;
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/**
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* @brief Class for child objects that are only a reference to a primary key
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*
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* This is the base class for all type of objects that match these criteria:
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* -they can not have child objects
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* -they are only a reference to a primary key (which needs not to be in the
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* key ring)
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*
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* Do not create instances from this class. Use KGpgGroupMemberNode and
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* KGpgSignNode as those represent the existing objects. This class exists
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* only to get the hierarchy right.
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*/
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class KGpgRefNode : public KGpgNode
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{
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Q_OBJECT
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private:
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const QString m_id;
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bool m_selfsig; ///< if this is a reference to it's own parent
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protected:
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KGpgKeyNode *m_keynode;
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explicit KGpgRefNode(KGpgExpandableNode *parent, KGpgKeyNode *key);
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explicit KGpgRefNode(KGpgExpandableNode *parent, const QString &keyid);
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KGpgRootNode *getRootNode() const;
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public:
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virtual ~KGpgRefNode();
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virtual QString getId() const;
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virtual QString getName() const;
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virtual QString getEmail() const;
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/**
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* Get the node of the primary key this node references to
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*
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* This will return the key node of the primary key this node
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* references. This may be %NULL if the primary key is not in the key
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* ring, e.g. if this is a signature of an unknown key.
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*
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* @return the node of the primary key or %NULL
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*/
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virtual KGpgKeyNode *getRefNode() const;
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/**
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* Check if the referenced key exists
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*
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* @return if getRefNode() will return %NULL or not
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*/
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bool isUnknown() const;
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/**
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* Break the current reference
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* @param root root node
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*
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* This is called when the referenced node is going away.
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*
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* The root node is passed for two reasons:
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* @li it doesn't need to be searched again for every ref node which
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* can be many in case of an important key node get's deleted
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* @li the ref node may be a child of the deleted node, then we can
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* not call the parents functions to find the root anymore. This helps
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* simplifying the code
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*/
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void unRef(KGpgRootNode *root);
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private Q_SLOTS:
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void keyUpdated(KGpgKeyNode *);
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};
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#endif /* KGPGREFNODE_H */
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