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 #include <advisesink.hxx>
29 #include <olecomponent.hxx>
30
31 #include <rtl/ref.hxx>
32
OleWrapperAdviseSink(OleComponent * pOleComp)33 OleWrapperAdviseSink::OleWrapperAdviseSink( OleComponent* pOleComp )
34 : m_nRefCount( 0 )
35 , m_pOleComp( pOleComp )
36 {
37 OSL_ENSURE( m_pOleComp, "No ole component is provided!\n" );
38 }
39
~OleWrapperAdviseSink()40 OleWrapperAdviseSink::~OleWrapperAdviseSink()
41 {
42 }
43
QueryInterface(REFIID riid,void ** ppv)44 STDMETHODIMP OleWrapperAdviseSink::QueryInterface( REFIID riid , void** ppv )
45 {
46 *ppv=NULL;
47
48 if ( riid == IID_IUnknown )
49 *ppv = (IUnknown*)this;
50
51 if ( riid == IID_IAdviseSink )
52 *ppv = (IAdviseSink*)this;
53
54 if ( *ppv != NULL )
55 {
56 ((IUnknown*)*ppv)->AddRef();
57 return S_OK;
58 }
59
60 return E_NOINTERFACE;
61 }
62
STDMETHODIMP_(ULONG)63 STDMETHODIMP_(ULONG) OleWrapperAdviseSink::AddRef()
64 {
65 return osl_incrementInterlockedCount( &m_nRefCount);
66 }
67
STDMETHODIMP_(ULONG)68 STDMETHODIMP_(ULONG) OleWrapperAdviseSink::Release()
69 {
70 ULONG nReturn = --m_nRefCount;
71 if ( m_nRefCount == 0 )
72 delete this;
73
74 return nReturn;
75 }
76
disconnectOleComponent()77 void OleWrapperAdviseSink::disconnectOleComponent()
78 {
79 // must not be called from the descructor of OleComponent!!!
80 osl::MutexGuard aGuard( m_aMutex );
81 m_pOleComp = NULL;
82 }
83
STDMETHODIMP_(void)84 STDMETHODIMP_(void) OleWrapperAdviseSink::OnDataChange(LPFORMATETC, LPSTGMEDIUM)
85 {
86 // Unused for now ( no registration for IDataObject events )
87 }
88
STDMETHODIMP_(void)89 STDMETHODIMP_(void) OleWrapperAdviseSink::OnViewChange(DWORD dwAspect, LONG)
90 {
91 ::rtl::Reference< OleComponent > xLockComponent;
92
93 {
94 osl::MutexGuard aGuard( m_aMutex );
95 if ( m_pOleComp )
96 xLockComponent = m_pOleComp;
97 }
98
99 if ( xLockComponent.is() )
100 xLockComponent->OnViewChange_Impl( dwAspect );
101 }
102
STDMETHODIMP_(void)103 STDMETHODIMP_(void) OleWrapperAdviseSink::OnRename(LPMONIKER)
104 {
105 // handled by default inprocess handler
106 }
107
STDMETHODIMP_(void)108 STDMETHODIMP_(void) OleWrapperAdviseSink::OnSave(void)
109 {
110 // TODO: ???
111 // The object knows about document saving already since it contolls it as ClienSite
112 // other interested listeners must be registered for the object
113 }
114
STDMETHODIMP_(void)115 STDMETHODIMP_(void) OleWrapperAdviseSink::OnClose(void)
116 {
117 ::rtl::Reference< OleComponent > xLockComponent;
118
119 {
120 osl::MutexGuard aGuard( m_aMutex );
121 if ( m_pOleComp )
122 xLockComponent = m_pOleComp;
123 }
124
125 if ( xLockComponent.is() )
126 xLockComponent->OnClose_Impl();
127
128 // TODO: sometimes it can be necessary to simulate OnShowWindow( False ) here
129 }
130
131