| 1 | /* $Id: ParallelPortImpl.h 14949 2008-12-03 15:17:16Z vboxsync $ */
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| 2 |
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| 3 | /** @file
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| 4 | * VirtualBox COM class implementation.
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License (GPL) as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | *
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| 18 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 19 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 20 | * additional information or have any questions.
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| 21 | */
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| 22 |
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| 23 | #ifndef ____H_PARALLELPORTIMPL
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| 24 | #define ____H_PARALLELPORTIMPL
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| 25 |
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| 26 | #include "VirtualBoxBase.h"
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| 27 |
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| 28 | class Machine;
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| 29 |
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| 30 | class ATL_NO_VTABLE ParallelPort :
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| 31 | public VirtualBoxBaseNEXT,
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| 32 | public VirtualBoxSupportErrorInfoImpl <ParallelPort, IParallelPort>,
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| 33 | public VirtualBoxSupportTranslation <ParallelPort>,
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| 34 | public IParallelPort
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| 35 | {
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| 36 | public:
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| 37 |
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| 38 | struct Data
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| 39 | {
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| 40 | Data()
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| 41 | : mSlot (0)
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| 42 | , mEnabled (FALSE)
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| 43 | , mIRQ (4)
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| 44 | , mIOBase (0x378)
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| 45 | {}
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| 46 |
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| 47 | bool operator== (const Data &that) const
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| 48 | {
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| 49 | return this == &that ||
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| 50 | (mSlot == that.mSlot &&
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| 51 | mEnabled == that.mEnabled &&
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| 52 | mIRQ == that.mIRQ &&
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| 53 | mIOBase == that.mIOBase &&
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| 54 | mPath == that.mPath);
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| 55 | }
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| 56 |
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| 57 | ULONG mSlot;
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| 58 | BOOL mEnabled;
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| 59 | ULONG mIRQ;
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| 60 | ULONG mIOBase;
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| 61 | Bstr mPath;
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| 62 | };
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| 63 |
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| 64 | VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT (ParallelPort)
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| 65 |
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| 66 | DECLARE_NOT_AGGREGATABLE(ParallelPort)
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| 67 |
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| 68 | DECLARE_PROTECT_FINAL_CONSTRUCT()
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| 69 |
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| 70 | BEGIN_COM_MAP(ParallelPort)
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| 71 | COM_INTERFACE_ENTRY(ISupportErrorInfo)
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| 72 | COM_INTERFACE_ENTRY(IParallelPort)
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| 73 | END_COM_MAP()
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| 74 |
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| 75 | NS_DECL_ISUPPORTS
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| 76 |
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| 77 | DECLARE_EMPTY_CTOR_DTOR (ParallelPort)
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| 78 |
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| 79 | HRESULT FinalConstruct();
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| 80 | void FinalRelease();
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| 81 |
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| 82 | // public initializer/uninitializer for internal purposes only
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| 83 | HRESULT init (Machine *aParent, ULONG aSlot);
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| 84 | HRESULT init (Machine *aParent, ParallelPort *aThat);
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| 85 | HRESULT initCopy (Machine *parent, ParallelPort *aThat);
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| 86 | void uninit();
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| 87 |
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| 88 | // IParallelPort properties
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| 89 | STDMETHOD(COMGETTER(Slot)) (ULONG *aSlot);
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| 90 | STDMETHOD(COMGETTER(Enabled)) (BOOL *aEnabled);
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| 91 | STDMETHOD(COMSETTER(Enabled)) (BOOL aEnabled);
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| 92 | STDMETHOD(COMGETTER(IRQ)) (ULONG *aIRQ);
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| 93 | STDMETHOD(COMSETTER(IRQ)) (ULONG aIRQ);
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| 94 | STDMETHOD(COMGETTER(IOBase)) (ULONG *aIOBase);
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| 95 | STDMETHOD(COMSETTER(IOBase)) (ULONG aIOBase);
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| 96 | STDMETHOD(COMGETTER(Path)) (BSTR *aPath);
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| 97 | STDMETHOD(COMSETTER(Path)) (INPTR BSTR aPath);
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| 98 |
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| 99 | // public methods only for internal purposes
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| 100 |
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| 101 | HRESULT loadSettings (const settings::Key &aPortNode);
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| 102 | HRESULT saveSettings (settings::Key &aPortNode);
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| 103 |
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| 104 | bool isModified() { AutoWriteLock alock (this); return mData.isBackedUp(); }
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| 105 | bool isReallyModified() { AutoWriteLock alock (this); return mData.hasActualChanges(); }
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| 106 | bool rollback();
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| 107 | void commit();
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| 108 | void copyFrom (ParallelPort *aThat);
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| 109 |
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| 110 | // public methods for internal purposes only
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| 111 | // (ensure there is a caller and a read lock before calling them!)
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| 112 |
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| 113 | // for VirtualBoxSupportErrorInfoImpl
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| 114 | static const wchar_t *getComponentName() { return L"ParallelPort"; }
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| 115 |
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| 116 | private:
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| 117 |
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| 118 | HRESULT checkSetPath (const BSTR aPath);
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| 119 |
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| 120 | const ComObjPtr <Machine, ComWeakRef> mParent;
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| 121 | const ComObjPtr <ParallelPort> mPeer;
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| 122 |
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| 123 | Backupable <Data> mData;
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| 124 | };
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| 125 |
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| 126 | #endif // ____H_FLOPPYDRIVEIMPL
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| 127 | /* vi: set tabstop=4 shiftwidth=4 expandtab: */
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