xref: /trunk/main/embeddedobj/source/msole/olewrapclient.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_embeddedobj.hxx"
30 
31 #include <osl/diagnose.h>
32 
33 #include "olewrapclient.hxx"
34 #include "olecomponent.hxx"
35 
36 // TODO: May be a mutex must be introduced
37 
38 OleWrapperClientSite::OleWrapperClientSite( OleComponent* pOleComp )
39 : m_nRefCount( 0 )
40 , m_pOleComp( pOleComp )
41 {
42     OSL_ENSURE( m_pOleComp, "No ole component is provided!\n" );
43 }
44 
45 OleWrapperClientSite::~OleWrapperClientSite()
46 {
47 }
48 
49 STDMETHODIMP OleWrapperClientSite::QueryInterface( REFIID riid , void** ppv )
50 {
51     *ppv=NULL;
52 
53     if ( riid == IID_IUnknown )
54         *ppv = (IUnknown*)this;
55 
56     if ( riid == IID_IOleClientSite )
57         *ppv = (IOleClientSite*)this;
58 
59     if ( *ppv != NULL )
60     {
61         ((IUnknown*)*ppv)->AddRef();
62         return S_OK;
63     }
64 
65     return E_NOINTERFACE;
66 }
67 
68 STDMETHODIMP_(ULONG) OleWrapperClientSite::AddRef()
69 {
70     return osl_incrementInterlockedCount( &m_nRefCount);
71 }
72 
73 STDMETHODIMP_(ULONG) OleWrapperClientSite::Release()
74 {
75     ULONG nReturn = --m_nRefCount;
76     if ( m_nRefCount == 0 )
77         delete this;
78 
79     return nReturn;
80 }
81 
82 void OleWrapperClientSite::disconnectOleComponent()
83 {
84     // must not be called from the descructor of OleComponent!!!
85     osl::MutexGuard aGuard( m_aMutex );
86     m_pOleComp = NULL;
87 }
88 
89 STDMETHODIMP OleWrapperClientSite::SaveObject()
90 {
91     OleComponent* pLockComponent = NULL;
92     HRESULT hResult = E_FAIL;
93 
94     {
95         osl::MutexGuard aGuard( m_aMutex );
96         if ( m_pOleComp )
97         {
98             pLockComponent = m_pOleComp;
99             pLockComponent->acquire();
100         }
101     }
102 
103     if ( pLockComponent )
104     {
105         if ( pLockComponent->SaveObject_Impl() )
106             hResult = S_OK;
107 
108         pLockComponent->release();
109     }
110 
111     return hResult;
112 }
113 
114 STDMETHODIMP OleWrapperClientSite::GetMoniker( DWORD, DWORD, LPMONIKER *ppmk )
115 {
116     *ppmk = NULL;
117     return E_NOTIMPL;
118 }
119 
120 STDMETHODIMP OleWrapperClientSite::GetContainer( LPOLECONTAINER* ppContainer )
121 {
122     *ppContainer = NULL;
123     return E_NOTIMPL;
124 }
125 
126 STDMETHODIMP OleWrapperClientSite::ShowObject(void)
127 {
128     return S_OK;
129 }
130 
131 STDMETHODIMP OleWrapperClientSite::OnShowWindow( BOOL bShow )
132 {
133     OleComponent* pLockComponent = NULL;
134 
135     // TODO/LATER: redirect the notification to the main thread so that SolarMutex can be locked
136     {
137         osl::MutexGuard aGuard( m_aMutex );
138         if ( m_pOleComp )
139         {
140             pLockComponent = m_pOleComp;
141             pLockComponent->acquire();
142         }
143     }
144 
145     if ( pLockComponent )
146     {
147         pLockComponent->OnShowWindow_Impl( bShow ); // the result is not interesting
148         pLockComponent->release();
149     }
150 
151     return S_OK;
152 }
153 
154 STDMETHODIMP OleWrapperClientSite::RequestNewObjectLayout(void)
155 {
156     return E_NOTIMPL;
157 }
158 
159