Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 124 insertions, 0 deletions

diff --git a/embeddedobj/source/msole/advisesink.cxx b/embeddedobj/source/msole/advisesink.cxx
new file mode 100644
index 000000000..5601c8d9e
--- /dev/null
+++ b/embeddedobj/source/msole/advisesink.cxx
@@ -0,0 +1,124 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <osl/diagnose.h>
+#include "advisesink.hxx"
+#include "olecomponent.hxx"
+
+#include <rtl/ref.hxx>
+
+OleWrapperAdviseSink::OleWrapperAdviseSink( OleComponent* pOleComp )
+: m_nRefCount( 0 )
+, m_pOleComp( pOleComp )
+{
+    OSL_ENSURE( m_pOleComp, "No ole component is provided!" );
+}
+
+OleWrapperAdviseSink::~OleWrapperAdviseSink()
+{
+}
+
+STDMETHODIMP OleWrapperAdviseSink::QueryInterface( REFIID riid , void** ppv )
+{
+    *ppv=nullptr;
+
+    if ( riid == IID_IUnknown )
+        *ppv = static_cast<IUnknown*>(this);
+
+    if ( riid == IID_IAdviseSink )
+        *ppv = static_cast<IAdviseSink*>(this);
+
+    if ( *ppv != nullptr )
+    {
+        static_cast<IUnknown*>(*ppv)->AddRef();
+        return S_OK;
+    }
+
+    return E_NOINTERFACE;
+}
+
+STDMETHODIMP_(ULONG) OleWrapperAdviseSink::AddRef()
+{
+    return osl_atomic_increment( &m_nRefCount);
+}
+
+STDMETHODIMP_(ULONG) OleWrapperAdviseSink::Release()
+{
+    ULONG nReturn = --m_nRefCount;
+    if ( m_nRefCount == 0 )
+        delete this;
+
+    return nReturn;
+}
+
+void OleWrapperAdviseSink::disconnectOleComponent()
+{
+    // must not be called from the descructor of OleComponent!!!
+    osl::MutexGuard aGuard( m_aMutex );
+    m_pOleComp = nullptr;
+}
+
+STDMETHODIMP_(void) OleWrapperAdviseSink::OnDataChange(FORMATETC *, STGMEDIUM *)
+{
+    // Unused for now ( no registration for IDataObject events )
+}
+
+STDMETHODIMP_(void) OleWrapperAdviseSink::OnViewChange(DWORD dwAspect, LONG)
+{
+    ::rtl::Reference< OleComponent > xLockComponent;
+
+    {
+        osl::MutexGuard aGuard( m_aMutex );
+        if ( m_pOleComp )
+            xLockComponent = m_pOleComp;
+    }
+
+    if ( xLockComponent.is() )
+        xLockComponent->OnViewChange_Impl( dwAspect );
+}
+
+STDMETHODIMP_(void) OleWrapperAdviseSink::OnRename(IMoniker *)
+{
+    // handled by default inprocess handler
+}
+
+STDMETHODIMP_(void) OleWrapperAdviseSink::OnSave()
+{
+    // TODO: ???
+    // The object already knows about document saving, since it controls it as ClientSide
+    // other interested listeners must be registered for the object
+}
+
+STDMETHODIMP_(void) OleWrapperAdviseSink::OnClose()
+{
+    ::rtl::Reference< OleComponent > xLockComponent;
+
+    {
+        osl::MutexGuard aGuard( m_aMutex );
+        if ( m_pOleComp )
+            xLockComponent = m_pOleComp;
+    }
+
+    if ( xLockComponent.is() )
+        xLockComponent->OnClose_Impl();
+
+    // TODO: sometimes it can be necessary to simulate OnShowWindow( False ) here
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */