1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_embeddedobj.hxx"
26
27 #include <osl/diagnose.h>
28
29 #include "olewrapclient.hxx"
30 #include "olecomponent.hxx"
31
32 // TODO: May be a mutex must be introduced
33
OleWrapperClientSite(OleComponent * pOleComp)34 OleWrapperClientSite::OleWrapperClientSite( OleComponent* pOleComp )
35 : m_nRefCount( 0 )
36 , m_pOleComp( pOleComp )
37 {
38 OSL_ENSURE( m_pOleComp, "No ole component is provided!\n" );
39 }
40
~OleWrapperClientSite()41 OleWrapperClientSite::~OleWrapperClientSite()
42 {
43 }
44
QueryInterface(REFIID riid,void ** ppv)45 STDMETHODIMP OleWrapperClientSite::QueryInterface( REFIID riid , void** ppv )
46 {
47 *ppv=NULL;
48
49 if ( riid == IID_IUnknown )
50 *ppv = (IUnknown*)this;
51
52 if ( riid == IID_IOleClientSite )
53 *ppv = (IOleClientSite*)this;
54
55 if ( *ppv != NULL )
56 {
57 ((IUnknown*)*ppv)->AddRef();
58 return S_OK;
59 }
60
61 return E_NOINTERFACE;
62 }
63
STDMETHODIMP_(ULONG)64 STDMETHODIMP_(ULONG) OleWrapperClientSite::AddRef()
65 {
66 return osl_incrementInterlockedCount( &m_nRefCount);
67 }
68
STDMETHODIMP_(ULONG)69 STDMETHODIMP_(ULONG) OleWrapperClientSite::Release()
70 {
71 ULONG nReturn = --m_nRefCount;
72 if ( m_nRefCount == 0 )
73 delete this;
74
75 return nReturn;
76 }
77
disconnectOleComponent()78 void OleWrapperClientSite::disconnectOleComponent()
79 {
80 // must not be called from the descructor of OleComponent!!!
81 osl::MutexGuard aGuard( m_aMutex );
82 m_pOleComp = NULL;
83 }
84
SaveObject()85 STDMETHODIMP OleWrapperClientSite::SaveObject()
86 {
87 OleComponent* pLockComponent = NULL;
88 HRESULT hResult = E_FAIL;
89
90 {
91 osl::MutexGuard aGuard( m_aMutex );
92 if ( m_pOleComp )
93 {
94 pLockComponent = m_pOleComp;
95 pLockComponent->acquire();
96 }
97 }
98
99 if ( pLockComponent )
100 {
101 if ( pLockComponent->SaveObject_Impl() )
102 hResult = S_OK;
103
104 pLockComponent->release();
105 }
106
107 return hResult;
108 }
109
GetMoniker(DWORD,DWORD,LPMONIKER * ppmk)110 STDMETHODIMP OleWrapperClientSite::GetMoniker( DWORD, DWORD, LPMONIKER *ppmk )
111 {
112 *ppmk = NULL;
113 return E_NOTIMPL;
114 }
115
GetContainer(LPOLECONTAINER * ppContainer)116 STDMETHODIMP OleWrapperClientSite::GetContainer( LPOLECONTAINER* ppContainer )
117 {
118 *ppContainer = NULL;
119 return E_NOTIMPL;
120 }
121
ShowObject(void)122 STDMETHODIMP OleWrapperClientSite::ShowObject(void)
123 {
124 return S_OK;
125 }
126
OnShowWindow(BOOL bShow)127 STDMETHODIMP OleWrapperClientSite::OnShowWindow( BOOL bShow )
128 {
129 OleComponent* pLockComponent = NULL;
130
131 // TODO/LATER: redirect the notification to the main thread so that SolarMutex can be locked
132 {
133 osl::MutexGuard aGuard( m_aMutex );
134 if ( m_pOleComp )
135 {
136 pLockComponent = m_pOleComp;
137 pLockComponent->acquire();
138 }
139 }
140
141 if ( pLockComponent )
142 {
143 pLockComponent->OnShowWindow_Impl( bShow ); // the result is not interesting
144 pLockComponent->release();
145 }
146
147 return S_OK;
148 }
149
RequestNewObjectLayout(void)150 STDMETHODIMP OleWrapperClientSite::RequestNewObjectLayout(void)
151 {
152 return E_NOTIMPL;
153 }
154
155