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 #include <com/sun/star/uno/Any.hxx> 27 #include <com/sun/star/uno/Reference.hxx> 28 #include <com/sun/star/uno/Sequence.hxx> 29 #include <com/sun/star/embed/Aspects.hpp> 30 #include <com/sun/star/io/XInputStream.hpp> 31 #include <com/sun/star/io/XOutputStream.hpp> 32 #include <com/sun/star/graphic/XGraphicProvider.hpp> 33 #include <com/sun/star/graphic/XGraphic.hpp> 34 #include <com/sun/star/beans/PropertyValue.hpp> 35 #include <tools/link.hxx> 36 #include <vos/mutex.hxx> 37 #include <unotools/streamwrap.hxx> 38 #include <comphelper/processfactory.hxx> 39 #include <comphelper/seqstream.hxx> 40 #include <tools/stream.hxx> 41 42 #include "mtnotification.hxx" 43 #include "oleembobj.hxx" 44 45 46 using namespace ::com::sun::star; 47 48 49 sal_Bool ConvertBufferToFormat( void* pBuf, 50 sal_uInt32 nBufSize, 51 const ::rtl::OUString& aMimeType, 52 uno::Any& aResult ) 53 { 54 // produces sequence with data in requested format and returns it in aResult 55 if ( pBuf ) 56 { 57 uno::Sequence < sal_Int8 > aData( (sal_Int8*)pBuf, nBufSize ); 58 uno::Reference < io::XInputStream > xIn = new comphelper::SequenceInputStream( aData ); 59 try 60 { 61 uno::Reference < graphic::XGraphicProvider > xGraphicProvider( comphelper::getProcessServiceFactory()->createInstance( ::rtl::OUString::createFromAscii("com.sun.star.graphic.GraphicProvider") ), uno::UNO_QUERY ); 62 if( xGraphicProvider.is() ) 63 { 64 uno::Sequence< beans::PropertyValue > aMediaProperties( 1 ); 65 aMediaProperties[0].Name = ::rtl::OUString::createFromAscii( "InputStream" ); 66 aMediaProperties[0].Value <<= xIn; 67 uno::Reference< graphic::XGraphic > xGraphic( xGraphicProvider->queryGraphic( aMediaProperties ) ); 68 if( xGraphic.is() ) 69 { 70 SvMemoryStream aNewStream( 65535, 65535 ); 71 // uno::Reference < io::XOutputStream > xOut = new utl::OOutputStreamHelper( aNewStream.GetLockBytes() ); 72 uno::Reference < io::XStream > xOut = new utl::OStreamWrapper( aNewStream ); 73 uno::Sequence< beans::PropertyValue > aOutMediaProperties( 2 ); 74 aOutMediaProperties[0].Name = ::rtl::OUString::createFromAscii( "OutputStream" ); 75 aOutMediaProperties[0].Value <<= xOut; 76 aOutMediaProperties[1].Name = ::rtl::OUString::createFromAscii( "MimeType" ); 77 aOutMediaProperties[1].Value <<= aMimeType; 78 79 xGraphicProvider->storeGraphic( xGraphic, aOutMediaProperties ); 80 aResult <<= uno::Sequence< sal_Int8 >( reinterpret_cast< const sal_Int8* >( aNewStream.GetData() ), aNewStream.Seek( STREAM_SEEK_TO_END ) ); 81 return sal_True; 82 } 83 } 84 } 85 catch (uno::Exception&) 86 {} 87 } 88 89 return sal_False; 90 } 91 92 // ===================================================================== 93 // MainThreadNotificationRequest 94 // ===================================================================== 95 MainThreadNotificationRequest::MainThreadNotificationRequest( const ::rtl::Reference< OleEmbeddedObject >& xObj, sal_uInt16 nNotificationType, sal_uInt32 nAspect ) 96 : m_pObject( xObj.get() ) 97 , m_xObject( static_cast< embed::XEmbeddedObject* >( xObj.get() ) ) 98 , m_nNotificationType( nNotificationType ) 99 , m_nAspect( nAspect ) 100 {} 101 102 void SAL_CALL MainThreadNotificationRequest::notify (const uno::Any& ) throw (uno::RuntimeException) 103 { 104 if ( m_pObject ) 105 { 106 try 107 { 108 uno::Reference< uno::XInterface > xLock = m_xObject.get(); 109 if ( xLock.is() ) 110 { 111 // this is the main thread, the solar mutex must be locked 112 if ( m_nNotificationType == OLECOMP_ONCLOSE ) 113 m_pObject->OnClosed_Impl(); 114 else if ( m_nAspect == embed::Aspects::MSOLE_CONTENT ) 115 m_pObject->OnViewChanged_Impl(); 116 else if ( m_nAspect == embed::Aspects::MSOLE_ICON ) 117 m_pObject->OnIconChanged_Impl(); 118 } 119 } 120 catch( uno::Exception& ) 121 { 122 // ignore all the errors 123 } 124 } 125 } 126 127 MainThreadNotificationRequest::~MainThreadNotificationRequest() 128 { 129 } 130