| 1 | /* $Id: ParallelPortImpl.h 4071 2007-08-07 17:07:59Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VirtualBox COM class implementation.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2007 innotek GmbH
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License as published by the Free Software Foundation,
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| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef ____H_PARALLELPORTIMPL
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| 19 | #define ____H_PARALLELPORTIMPL
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| 20 |
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| 21 | #include "VirtualBoxBase.h"
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| 22 |
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| 23 | #include <VBox/cfgldr.h>
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| 24 |
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| 25 | class Machine;
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| 26 |
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| 27 | class ATL_NO_VTABLE ParallelPort :
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| 28 | public VirtualBoxBaseNEXT,
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| 29 | public VirtualBoxSupportErrorInfoImpl <ParallelPort, IParallelPort>,
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| 30 | public VirtualBoxSupportTranslation <ParallelPort>,
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| 31 | public IParallelPort
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| 32 | {
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| 33 | public:
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| 34 |
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| 35 | struct Data
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| 36 | {
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| 37 | Data()
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| 38 | : mSlot (0)
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| 39 | , mEnabled(FALSE)
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| 40 | , mIRQ (4)
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| 41 | , mIOBase (0x378)
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| 42 | {}
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| 43 |
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| 44 | bool operator== (const Data &that) const
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| 45 | {
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| 46 | return this == &that ||
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| 47 | (mSlot == that.mSlot &&
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| 48 | mEnabled == that.mEnabled &&
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| 49 | mIRQ == that.mIRQ &&
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| 50 | mIOBase == that.mIOBase);
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| 51 | }
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| 52 |
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| 53 | ULONG mSlot;
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| 54 | BOOL mEnabled;
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| 55 | ULONG mIRQ;
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| 56 | ULONG mIOBase;
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| 57 | Bstr mDevicePath;
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| 58 | };
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| 59 |
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| 60 | VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT (ParallelPort)
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| 61 |
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| 62 | DECLARE_NOT_AGGREGATABLE(ParallelPort)
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| 63 |
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| 64 | DECLARE_PROTECT_FINAL_CONSTRUCT()
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| 65 |
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| 66 | BEGIN_COM_MAP(ParallelPort)
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| 67 | COM_INTERFACE_ENTRY(ISupportErrorInfo)
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| 68 | COM_INTERFACE_ENTRY(IParallelPort)
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| 69 | END_COM_MAP()
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| 70 |
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| 71 | NS_DECL_ISUPPORTS
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| 72 |
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| 73 | DECLARE_EMPTY_CTOR_DTOR (ParallelPort)
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| 74 |
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| 75 | HRESULT FinalConstruct();
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| 76 | void FinalRelease();
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| 77 |
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| 78 | // public initializer/uninitializer for internal purposes only
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| 79 | HRESULT init (Machine *aParent, ULONG aSlot);
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| 80 | HRESULT init (Machine *aParent, ParallelPort *aThat);
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| 81 | HRESULT initCopy (Machine *parent, ParallelPort *aThat);
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| 82 | void uninit();
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| 83 |
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| 84 | // IParallelPort properties
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| 85 | STDMETHOD(COMGETTER(Slot)) (ULONG *aSlot);
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| 86 | STDMETHOD(COMGETTER(Enabled)) (BOOL *aEnabled);
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| 87 | STDMETHOD(COMSETTER(Enabled)) (BOOL aEnabled);
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| 88 | STDMETHOD(COMGETTER(IRQ)) (ULONG *aIRQ);
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| 89 | STDMETHOD(COMSETTER(IRQ)) (ULONG aIRQ);
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| 90 | STDMETHOD(COMGETTER(IOBase)) (ULONG *aIOBase);
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| 91 | STDMETHOD(COMSETTER(IOBase)) (ULONG aIOBase);
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| 92 | STDMETHOD(COMGETTER(DevicePath)) (BSTR *aDevicePath);
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| 93 | STDMETHOD(COMSETTER(DevicePath)) (INPTR BSTR aDevicePath);
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| 94 |
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| 95 | // public methods only for internal purposes
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| 96 | bool isModified() { AutoLock alock (this); return mData.isBackedUp(); }
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| 97 | bool isReallyModified() { AutoLock alock (this); return mData.hasActualChanges(); }
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| 98 | bool rollback();
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| 99 | void commit();
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| 100 | void copyFrom (ParallelPort *aThat);
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| 101 |
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| 102 | // public methods for internal purposes only
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| 103 | // (ensure there is a caller and a read lock before calling them!)
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| 104 |
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| 105 | HRESULT loadSettings (CFGNODE aMachine, ULONG aSlot);
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| 106 | HRESULT saveSettings (CFGNODE aMachine);
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| 107 |
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| 108 | // for VirtualBoxSupportErrorInfoImpl
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| 109 | static const wchar_t *getComponentName() { return L"ParallelPort"; }
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| 110 |
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| 111 | private:
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| 112 |
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| 113 | const ComObjPtr <Machine, ComWeakRef> mParent;
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| 114 | const ComObjPtr <ParallelPort> mPeer;
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| 115 |
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| 116 | Backupable <Data> mData;
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| 117 | };
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| 118 |
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| 119 | #endif // ____H_FLOPPYDRIVEIMPL
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