Generated on Wed Dec 28 22:33:27 2005 by Doxygen 1.4.4 for OpenBinder Documentation Version 1.0
PalmSource, Inc. © 2005
00001 /* 00002 * Copyright (c) 2005 Palmsource, Inc. 00003 * 00004 * This software is licensed as described in the file LICENSE, which 00005 * you should have received as part of this distribution. The terms 00006 * are also available at http://www.openbinder.org/license.html. 00007 * 00008 * This software consists of voluntary contributions made by many 00009 * individuals. For the exact contribution history, see the revision 00010 * history and logs, available at http://www.openbinder.org 00011 */ 00012 00013 #ifndef _SUPPORT_DIRECTORYMIRROR_H 00014 #define _SUPPORT_DIRECTORYMIRROR_H 00015 00021 #include <support/ICatalogPermissions.h> 00022 #include <support/ICatalog.h> 00023 #include <support/IDatum.h> 00024 #include <support/IIterable.h> 00025 #include <support/IIterator.h> 00026 #include <support/INode.h> 00027 #include <support/Locker.h> 00028 #include <support/SortedVector.h> 00029 #include <support/KeyedVector.h> 00030 #include <support/Observer.h> 00031 #include <support/String.h> 00032 #include <support/Value.h> 00033 00034 #if _SUPPORTS_NAMESPACE 00035 namespace palmos { 00036 namespace support { 00037 #endif 00038 00043 00044 00055 class BCatalogMirror : public BnCatalogPermissions, public BnCatalog, public BnNode, public BnIterable, public BObserver 00056 { 00057 public: 00058 BCatalogMirror(const SContext& context, const SValue& args); 00059 00060 // BCatalog overrides 00061 virtual status_t AddEntry(const SString& name, const SValue& entry); 00062 virtual status_t RemoveEntry(const SString& name); 00063 virtual status_t RenameEntry(const SString& entry, const SString& name); 00064 00065 virtual sptr<INode> CreateNode(SString* name, status_t* err); 00066 virtual sptr<IDatum> CreateDatum(SString* name, uint32_t flags, status_t* err); 00067 virtual sptr<IIterator> NewIterator(const SValue& args, status_t* error = NULL); 00068 00069 virtual status_t Walk(SString* path, uint32_t flags, SValue* node); 00070 00071 // INode implementation 00072 virtual sptr<INode> Attributes() const; 00073 00074 virtual SString MimeType() const; 00075 virtual void SetMimeType(const SString& value); 00076 00077 virtual nsecs_t CreationDate() const; 00078 virtual void SetCreationDate(nsecs_t value); 00079 00080 virtual nsecs_t ModifiedDate() const; 00081 virtual void SetModifiedDate(nsecs_t value); 00082 00083 // ICatalogPermissions implementation 00084 virtual bool Writable() const; 00085 virtual void SetWritable(bool value); 00086 00087 virtual status_t HideEntry(const SString& name); 00088 virtual status_t ShowEntry(const SString& name); 00089 00090 virtual status_t OverlayEntry(const SString& location, const SValue& item); 00091 virtual status_t RestoreEntry(const SString& location); 00092 00093 virtual status_t Merge(const sptr<ICatalog>& catalog); 00094 00095 // BObserver implementation 00096 virtual void Observed(const SValue& key, const SValue& value); 00097 00098 // IBinder implementation 00099 virtual SValue Inspect(const sptr<IBinder>& caller, const SValue &which, uint32_t flags); 00100 virtual status_t Link(const sptr<IBinder>& target, const SValue& bindings, uint32_t flags); 00101 virtual status_t Unlink(const wptr<IBinder>& target, const SValue& bindings, uint32_t flags); 00102 00103 protected: 00104 virtual ~BCatalogMirror(); 00105 00106 private: 00107 void init_from_args(const SContext& context, const SValue& args); 00108 bool is_writable(const SString& name) const; 00109 00110 sptr<INode> m_node; 00111 sptr<ICatalog> m_catalog; 00112 sptr<IIterable> m_iterable; 00113 00114 // NOTE: m_permissionsLock must not be held when calling in to the 00115 // underlying node/catalog/iterable! This is because we use a sync 00116 // link to the node, and acquire this lock while processing events 00117 // from that link. 00118 mutable SLocker m_permissionsLock; 00119 SSortedVector<SString> m_hidden; 00120 SKeyedVector<SString, SValue> m_overlays; 00121 bool m_writable : 1; 00122 bool m_linkedToNode : 1; 00123 00124 class IteratorWrapper; 00125 friend class IteratorWrapper; 00126 }; 00127 00130 #if _SUPPORTS_NAMESPACE 00131 } } // namespace palmos::support 00132 #endif 00133 00134 #endif // _SUPPORT_DIRECTORYMIRROR_H
Generated on Wed Dec 28 22:33:27 2005 by Doxygen 1.4.4 for OpenBinder Documentation Version 1.0
PalmSource, Inc. © 2005