1*48123e16SAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
3*48123e16SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
4*48123e16SAndrew Rist * or more contributor license agreements. See the NOTICE file
5*48123e16SAndrew Rist * distributed with this work for additional information
6*48123e16SAndrew Rist * regarding copyright ownership. The ASF licenses this file
7*48123e16SAndrew Rist * to you under the Apache License, Version 2.0 (the
8*48123e16SAndrew Rist * "License"); you may not use this file except in compliance
9*48123e16SAndrew Rist * with the License. You may obtain a copy of the License at
10*48123e16SAndrew Rist *
11*48123e16SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
12*48123e16SAndrew Rist *
13*48123e16SAndrew Rist * Unless required by applicable law or agreed to in writing,
14*48123e16SAndrew Rist * software distributed under the License is distributed on an
15*48123e16SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*48123e16SAndrew Rist * KIND, either express or implied. See the License for the
17*48123e16SAndrew Rist * specific language governing permissions and limitations
18*48123e16SAndrew Rist * under the License.
19*48123e16SAndrew Rist *
20*48123e16SAndrew Rist *************************************************************/
21*48123e16SAndrew Rist
22*48123e16SAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
25cdf0e10cSrcweir #include "precompiled_dtrans.hxx"
26cdf0e10cSrcweir
27cdf0e10cSrcweir //------------------------------------------------------------------------
28cdf0e10cSrcweir // includes
29cdf0e10cSrcweir //------------------------------------------------------------------------
30cdf0e10cSrcweir #include <osl/diagnose.h>
31cdf0e10cSrcweir #include "WinClipbImpl.hxx"
32cdf0e10cSrcweir
33cdf0e10cSrcweir #include <systools/win32/comtools.hxx>
34cdf0e10cSrcweir #include "..\..\inc\DtObjFactory.hxx"
35cdf0e10cSrcweir #include "..\dtobj\APNDataObject.hxx"
36cdf0e10cSrcweir #include "WinClipboard.hxx"
37cdf0e10cSrcweir #include <com/sun/star/datatransfer/clipboard/RenderingCapabilities.hpp>
38cdf0e10cSrcweir #include "..\dtobj\XNotifyingDataObject.hxx"
39cdf0e10cSrcweir
40cdf0e10cSrcweir #if defined _MSC_VER
41cdf0e10cSrcweir #pragma warning(push,1)
42cdf0e10cSrcweir #endif
43cdf0e10cSrcweir #include <windows.h>
44cdf0e10cSrcweir #include <ole2.h>
45cdf0e10cSrcweir #include <objidl.h>
46cdf0e10cSrcweir #if defined _MSC_VER
47cdf0e10cSrcweir #pragma warning(pop)
48cdf0e10cSrcweir #endif
49cdf0e10cSrcweir
50cdf0e10cSrcweir //------------------------------------------------------------------------
51cdf0e10cSrcweir // namespace directives
52cdf0e10cSrcweir //------------------------------------------------------------------------
53cdf0e10cSrcweir
54cdf0e10cSrcweir using namespace rtl;
55cdf0e10cSrcweir using namespace osl;
56cdf0e10cSrcweir using namespace std;
57cdf0e10cSrcweir using namespace cppu;
58cdf0e10cSrcweir
59cdf0e10cSrcweir using namespace com::sun::star::uno;
60cdf0e10cSrcweir using namespace com::sun::star::datatransfer;
61cdf0e10cSrcweir using namespace com::sun::star::datatransfer::clipboard;
62cdf0e10cSrcweir using namespace com::sun::star::datatransfer::clipboard::RenderingCapabilities;
63cdf0e10cSrcweir
64cdf0e10cSrcweir //------------------------------------------------------------------------
65cdf0e10cSrcweir // deklarations
66cdf0e10cSrcweir //------------------------------------------------------------------------
67cdf0e10cSrcweir
68cdf0e10cSrcweir // definition of static members
69cdf0e10cSrcweir CWinClipbImpl* CWinClipbImpl::s_pCWinClipbImpl = NULL;
70cdf0e10cSrcweir osl::Mutex CWinClipbImpl::s_aMutex;
71cdf0e10cSrcweir
72cdf0e10cSrcweir //------------------------------------------------------------------------
73cdf0e10cSrcweir //
74cdf0e10cSrcweir //------------------------------------------------------------------------
75cdf0e10cSrcweir
CWinClipbImpl(const OUString & aClipboardName,CWinClipboard * theWinClipboard)76cdf0e10cSrcweir CWinClipbImpl::CWinClipbImpl( const OUString& aClipboardName, CWinClipboard* theWinClipboard ) :
77cdf0e10cSrcweir m_itsName( aClipboardName ),
78cdf0e10cSrcweir m_pWinClipboard( theWinClipboard ),
79cdf0e10cSrcweir m_pCurrentClipContent( NULL )
80cdf0e10cSrcweir {
81cdf0e10cSrcweir OSL_ASSERT( NULL != m_pWinClipboard );
82cdf0e10cSrcweir
83cdf0e10cSrcweir // necessary to reassociate from
84cdf0e10cSrcweir // the static callback function
85cdf0e10cSrcweir s_pCWinClipbImpl = this;
86cdf0e10cSrcweir registerClipboardViewer( );
87cdf0e10cSrcweir }
88cdf0e10cSrcweir
89cdf0e10cSrcweir //------------------------------------------------------------------------
90cdf0e10cSrcweir //
91cdf0e10cSrcweir //------------------------------------------------------------------------
92cdf0e10cSrcweir
~CWinClipbImpl()93cdf0e10cSrcweir CWinClipbImpl::~CWinClipbImpl( )
94cdf0e10cSrcweir {
95cdf0e10cSrcweir ClearableMutexGuard aGuard( s_aMutex );
96cdf0e10cSrcweir s_pCWinClipbImpl = NULL;
97cdf0e10cSrcweir aGuard.clear( );
98cdf0e10cSrcweir
99cdf0e10cSrcweir unregisterClipboardViewer( );
100cdf0e10cSrcweir }
101cdf0e10cSrcweir
102cdf0e10cSrcweir //------------------------------------------------------------------------
103cdf0e10cSrcweir // getContent
104cdf0e10cSrcweir //------------------------------------------------------------------------
105cdf0e10cSrcweir
getContents()106cdf0e10cSrcweir Reference< XTransferable > SAL_CALL CWinClipbImpl::getContents( ) throw( RuntimeException )
107cdf0e10cSrcweir {
108cdf0e10cSrcweir // use the shotcut or create a transferable from
109cdf0e10cSrcweir // system clipboard
110cdf0e10cSrcweir ClearableMutexGuard aGuard( m_ClipContentMutex );
111cdf0e10cSrcweir
112cdf0e10cSrcweir if ( NULL != m_pCurrentClipContent )
113cdf0e10cSrcweir {
114cdf0e10cSrcweir return m_pCurrentClipContent->m_XTransferable;
115cdf0e10cSrcweir }
116cdf0e10cSrcweir
117cdf0e10cSrcweir // release the mutex, so that the variable may be
118cdf0e10cSrcweir // changed by other threads
119cdf0e10cSrcweir aGuard.clear( );
120cdf0e10cSrcweir
121cdf0e10cSrcweir Reference< XTransferable > rClipContent;
122cdf0e10cSrcweir
123cdf0e10cSrcweir // get the current dataobject from clipboard
124cdf0e10cSrcweir IDataObjectPtr pIDataObject;
125cdf0e10cSrcweir HRESULT hr = m_MtaOleClipboard.getClipboard( &pIDataObject );
126cdf0e10cSrcweir
127cdf0e10cSrcweir if ( SUCCEEDED( hr ) )
128cdf0e10cSrcweir {
129cdf0e10cSrcweir // create an apartment neutral dataobject and initialize it with a
130cdf0e10cSrcweir // com smart pointer to the IDataObject from clipboard
131cdf0e10cSrcweir IDataObjectPtr pIDo( new CAPNDataObject( pIDataObject ) );
132cdf0e10cSrcweir
133cdf0e10cSrcweir CDTransObjFactory objFactory;
134cdf0e10cSrcweir
135cdf0e10cSrcweir // remeber pIDo destroys itself due to the smart pointer
136cdf0e10cSrcweir rClipContent = objFactory.createTransferableFromDataObj( m_pWinClipboard->m_SrvMgr, pIDo );
137cdf0e10cSrcweir }
138cdf0e10cSrcweir
139cdf0e10cSrcweir return rClipContent;
140cdf0e10cSrcweir }
141cdf0e10cSrcweir
142cdf0e10cSrcweir //------------------------------------------------------------------------
143cdf0e10cSrcweir // setContent
144cdf0e10cSrcweir //------------------------------------------------------------------------
145cdf0e10cSrcweir
setContents(const Reference<XTransferable> & xTransferable,const Reference<XClipboardOwner> & xClipboardOwner)146cdf0e10cSrcweir void SAL_CALL CWinClipbImpl::setContents(
147cdf0e10cSrcweir const Reference< XTransferable >& xTransferable,
148cdf0e10cSrcweir const Reference< XClipboardOwner >& xClipboardOwner )
149cdf0e10cSrcweir throw( RuntimeException )
150cdf0e10cSrcweir {
151cdf0e10cSrcweir CDTransObjFactory objFactory;
152cdf0e10cSrcweir IDataObjectPtr pIDataObj;
153cdf0e10cSrcweir
154cdf0e10cSrcweir if ( xTransferable.is( ) )
155cdf0e10cSrcweir {
156cdf0e10cSrcweir ClearableMutexGuard aGuard( m_ClipContentMutex );
157cdf0e10cSrcweir
158cdf0e10cSrcweir m_pCurrentClipContent = new CXNotifyingDataObject(
159cdf0e10cSrcweir objFactory.createDataObjFromTransferable( m_pWinClipboard->m_SrvMgr , xTransferable ),
160cdf0e10cSrcweir xTransferable,
161cdf0e10cSrcweir xClipboardOwner,
162cdf0e10cSrcweir this );
163cdf0e10cSrcweir
164cdf0e10cSrcweir aGuard.clear( );
165cdf0e10cSrcweir
166cdf0e10cSrcweir pIDataObj = IDataObjectPtr( m_pCurrentClipContent );
167cdf0e10cSrcweir }
168cdf0e10cSrcweir
169cdf0e10cSrcweir m_MtaOleClipboard.setClipboard(pIDataObj.get());
170cdf0e10cSrcweir }
171cdf0e10cSrcweir
172cdf0e10cSrcweir //------------------------------------------------------------------------
173cdf0e10cSrcweir //
174cdf0e10cSrcweir //------------------------------------------------------------------------
175cdf0e10cSrcweir
getName()176cdf0e10cSrcweir OUString SAL_CALL CWinClipbImpl::getName( ) throw( RuntimeException )
177cdf0e10cSrcweir {
178cdf0e10cSrcweir return m_itsName;
179cdf0e10cSrcweir }
180cdf0e10cSrcweir
181cdf0e10cSrcweir //------------------------------------------------------------------------
182cdf0e10cSrcweir //
183cdf0e10cSrcweir //------------------------------------------------------------------------
184cdf0e10cSrcweir
getRenderingCapabilities()185cdf0e10cSrcweir sal_Int8 SAL_CALL CWinClipbImpl::getRenderingCapabilities( ) throw( RuntimeException )
186cdf0e10cSrcweir {
187cdf0e10cSrcweir return ( Delayed | Persistant );
188cdf0e10cSrcweir }
189cdf0e10cSrcweir
190cdf0e10cSrcweir //------------------------------------------------------------------------
191cdf0e10cSrcweir //
192cdf0e10cSrcweir //------------------------------------------------------------------------
193cdf0e10cSrcweir
flushClipboard()194cdf0e10cSrcweir void SAL_CALL CWinClipbImpl::flushClipboard( ) throw( RuntimeException )
195cdf0e10cSrcweir {
196cdf0e10cSrcweir // sollte eigentlich hier stehen: ClearableMutexGuard aGuard( m_ClipContentMutex );
197cdf0e10cSrcweir // geht aber nicht, da FlushClipboard zur�ckruft und das DataObject
198cdf0e10cSrcweir // freigibt und damit w�rde es einen Deadlock in onReleaseDataObject geben
199cdf0e10cSrcweir // FlushClipboard mu� synchron sein, damit das runterfahren ggf. erst weitergeht,
200cdf0e10cSrcweir // wenn alle Clipboard-Formate gerendert wurden
201cdf0e10cSrcweir // die Abfrage ist n�tig, damit nur geflusht wird, wenn wir wirklich Clipboardowner
202cdf0e10cSrcweir // sind (ich weiss nicht genau was passiert, wenn man flusht und nicht Clipboard
203cdf0e10cSrcweir // owner ist).
204cdf0e10cSrcweir // eventuell kann man aber die Abfrage in den Clipboard STA Thread verlagern, indem
205cdf0e10cSrcweir // man sich dort das DataObject merkt und vor dem flushen OleIsCurrentClipboard ruft
206cdf0e10cSrcweir
207cdf0e10cSrcweir if ( NULL != m_pCurrentClipContent )
208cdf0e10cSrcweir m_MtaOleClipboard.flushClipboard( );
209cdf0e10cSrcweir }
210cdf0e10cSrcweir
211cdf0e10cSrcweir //------------------------------------------------------------------------
212cdf0e10cSrcweir //
213cdf0e10cSrcweir //------------------------------------------------------------------------
214cdf0e10cSrcweir
registerClipboardViewer()215cdf0e10cSrcweir void SAL_CALL CWinClipbImpl::registerClipboardViewer( )
216cdf0e10cSrcweir {
217cdf0e10cSrcweir m_MtaOleClipboard.registerClipViewer( CWinClipbImpl::onClipboardContentChanged );
218cdf0e10cSrcweir }
219cdf0e10cSrcweir
220cdf0e10cSrcweir //------------------------------------------------------------------------
221cdf0e10cSrcweir //
222cdf0e10cSrcweir //------------------------------------------------------------------------
223cdf0e10cSrcweir
unregisterClipboardViewer()224cdf0e10cSrcweir void SAL_CALL CWinClipbImpl::unregisterClipboardViewer( )
225cdf0e10cSrcweir {
226cdf0e10cSrcweir m_MtaOleClipboard.registerClipViewer( NULL );
227cdf0e10cSrcweir }
228cdf0e10cSrcweir
229cdf0e10cSrcweir //------------------------------------------------------------------------
230cdf0e10cSrcweir //
231cdf0e10cSrcweir //------------------------------------------------------------------------
232cdf0e10cSrcweir
dispose()233cdf0e10cSrcweir void SAL_CALL CWinClipbImpl::dispose() throw( RuntimeException )
234cdf0e10cSrcweir {
235cdf0e10cSrcweir OSL_ENSURE( !m_pCurrentClipContent, "Clipboard was not flushed before shutdown!" );
236cdf0e10cSrcweir }
237cdf0e10cSrcweir
238cdf0e10cSrcweir //------------------------------------------------------------------------
239cdf0e10cSrcweir //
240cdf0e10cSrcweir //------------------------------------------------------------------------
241cdf0e10cSrcweir
onClipboardContentChanged(void)242cdf0e10cSrcweir void WINAPI CWinClipbImpl::onClipboardContentChanged( void )
243cdf0e10cSrcweir {
244cdf0e10cSrcweir MutexGuard aGuard( s_aMutex );
245cdf0e10cSrcweir
246cdf0e10cSrcweir // reassocition to instance through static member
247cdf0e10cSrcweir if ( NULL != s_pCWinClipbImpl )
248cdf0e10cSrcweir s_pCWinClipbImpl->m_pWinClipboard->notifyAllClipboardListener( );
249cdf0e10cSrcweir }
250cdf0e10cSrcweir
251cdf0e10cSrcweir //------------------------------------------------------------------------
252cdf0e10cSrcweir //
253cdf0e10cSrcweir //------------------------------------------------------------------------
254cdf0e10cSrcweir
onReleaseDataObject(CXNotifyingDataObject * theCaller)255cdf0e10cSrcweir void SAL_CALL CWinClipbImpl::onReleaseDataObject( CXNotifyingDataObject* theCaller )
256cdf0e10cSrcweir {
257cdf0e10cSrcweir OSL_ASSERT( NULL != theCaller );
258cdf0e10cSrcweir
259cdf0e10cSrcweir if ( theCaller )
260cdf0e10cSrcweir theCaller->lostOwnership( );
261cdf0e10cSrcweir
262cdf0e10cSrcweir // if the current caller is the one we currently
263cdf0e10cSrcweir // hold, then set it to NULL because an external
264cdf0e10cSrcweir // source must be the clipboardowner now
265cdf0e10cSrcweir MutexGuard aGuard( m_ClipContentMutex );
266cdf0e10cSrcweir
267cdf0e10cSrcweir if ( m_pCurrentClipContent == theCaller )
268cdf0e10cSrcweir m_pCurrentClipContent = NULL;
269cdf0e10cSrcweir }
270