1 | /* $Id: ParallelPortImpl.h 23223 2009-09-22 15:50:03Z 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 | namespace settings
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31 | {
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32 | struct ParallelPort;
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33 | }
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34 |
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35 | class ATL_NO_VTABLE ParallelPort :
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36 | public VirtualBoxBase,
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37 | public VirtualBoxSupportErrorInfoImpl<ParallelPort, IParallelPort>,
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38 | public VirtualBoxSupportTranslation<ParallelPort>,
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39 | VBOX_SCRIPTABLE_IMPL(IParallelPort)
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40 | {
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41 | public:
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42 |
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43 | struct Data
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44 | {
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45 | Data()
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46 | : mSlot (0)
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47 | , mEnabled (FALSE)
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48 | , mIRQ (4)
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49 | , mIOBase (0x378)
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50 | {}
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51 |
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52 | bool operator== (const Data &that) const
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53 | {
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54 | return this == &that ||
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55 | (mSlot == that.mSlot &&
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56 | mEnabled == that.mEnabled &&
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57 | mIRQ == that.mIRQ &&
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58 | mIOBase == that.mIOBase &&
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59 | mPath == that.mPath);
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60 | }
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61 |
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62 | ULONG mSlot;
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63 | BOOL mEnabled;
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64 | ULONG mIRQ;
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65 | ULONG mIOBase;
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66 | Bstr mPath;
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67 | };
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68 |
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69 | VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT (ParallelPort)
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70 |
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71 | DECLARE_NOT_AGGREGATABLE(ParallelPort)
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72 |
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73 | DECLARE_PROTECT_FINAL_CONSTRUCT()
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74 |
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75 | BEGIN_COM_MAP(ParallelPort)
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76 | COM_INTERFACE_ENTRY (ISupportErrorInfo)
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77 | COM_INTERFACE_ENTRY (IParallelPort)
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78 | COM_INTERFACE_ENTRY2 (IDispatch, IParallelPort)
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79 | END_COM_MAP()
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80 |
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81 | DECLARE_EMPTY_CTOR_DTOR (ParallelPort)
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82 |
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83 | HRESULT FinalConstruct();
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84 | void FinalRelease();
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85 |
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86 | // public initializer/uninitializer for internal purposes only
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87 | HRESULT init (Machine *aParent, ULONG aSlot);
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88 | HRESULT init (Machine *aParent, ParallelPort *aThat);
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89 | HRESULT initCopy (Machine *parent, ParallelPort *aThat);
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90 | void uninit();
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91 |
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92 | // IParallelPort properties
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93 | STDMETHOD(COMGETTER(Slot)) (ULONG *aSlot);
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94 | STDMETHOD(COMGETTER(Enabled)) (BOOL *aEnabled);
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95 | STDMETHOD(COMSETTER(Enabled)) (BOOL aEnabled);
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96 | STDMETHOD(COMGETTER(IRQ)) (ULONG *aIRQ);
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97 | STDMETHOD(COMSETTER(IRQ)) (ULONG aIRQ);
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98 | STDMETHOD(COMGETTER(IOBase)) (ULONG *aIOBase);
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99 | STDMETHOD(COMSETTER(IOBase)) (ULONG aIOBase);
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100 | STDMETHOD(COMGETTER(Path)) (BSTR *aPath);
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101 | STDMETHOD(COMSETTER(Path)) (IN_BSTR aPath);
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102 |
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103 | // public methods only for internal purposes
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104 |
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105 | HRESULT loadSettings(const settings::ParallelPort &data);
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106 | HRESULT saveSettings(settings::ParallelPort &data);
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107 |
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108 | bool isModified() { AutoWriteLock alock (this); return mData.isBackedUp(); }
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109 | bool isReallyModified() { AutoWriteLock alock (this); return mData.hasActualChanges(); }
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110 | bool rollback();
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111 | void commit();
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112 | void copyFrom (ParallelPort *aThat);
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113 |
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114 | // public methods for internal purposes only
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115 | // (ensure there is a caller and a read lock before calling them!)
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116 |
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117 | // for VirtualBoxSupportErrorInfoImpl
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118 | static const wchar_t *getComponentName() { return L"ParallelPort"; }
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119 |
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120 | private:
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121 |
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122 | HRESULT checkSetPath (CBSTR aPath);
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123 |
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124 | const ComObjPtr<Machine, ComWeakRef> mParent;
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125 | const ComObjPtr<ParallelPort> mPeer;
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126 |
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127 | Backupable <Data> mData;
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128 | };
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129 |
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130 | #endif // ____H_FLOPPYDRIVEIMPL
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131 | /* vi: set tabstop=4 shiftwidth=4 expandtab: */
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