65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
/*
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* Copyright 2001-2007, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* DarkWyrm, bpmagic@columbus.rr.com
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*/
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#ifndef AREALINK_H
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#define AREALINK_H
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#include <InterfaceDefs.h>
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#include <List.h>
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#include <OS.h>
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class AreaLinkHeader;
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class BPoint;
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#define MAX_ATTACHMENT_SIZE 65535 // in bytes
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#define SIZE_SIZE 2 // size of the size records in an AreaLink area
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class AreaLink {
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public:
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AreaLink(area_id area, bool is_arealink_area = false);
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AreaLink();
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~AreaLink();
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void SetTarget(area_id area, bool is_arealink_area = false);
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area_id GetTarget() const { return fTarget; }
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void Attach(const void *data, size_t size);
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inline void Attach(const int32 &data);
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inline void Attach(const int16 &data);
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inline void Attach(const int8 &data);
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inline void Attach(const float &data);
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inline void Attach(const bool &data);
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inline void Attach(const rgb_color &data);
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inline void Attach(const BRect &data);
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inline void Attach(const BPoint &data);
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void MakeEmpty();
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void *ItemAt(const int32 index) const { return fAttachList->ItemAt(index); }
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int32 CountAttachments() const { return fAttachList->CountItems(); }
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void *BaseAddress() const { return (void *)fBaseAddress; }
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void Lock();
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void Unlock();
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bool IsLocked();
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private:
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void _ReadAttachments();
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private:
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BList *fAttachList;
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area_id fTarget;
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bool fAreaIsOk;
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bool fHaveLock;
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int8 *fBaseAddress;
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AreaLinkHeader *fHeader;
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};
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#endif // AREALINK_H
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