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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /shell/source/win32/shlxthandler/prophdl/propertyhdl.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'shell/source/win32/shlxthandler/prophdl/propertyhdl.cxx')
-rw-r--r--shell/source/win32/shlxthandler/prophdl/propertyhdl.cxx432
1 files changed, 432 insertions, 0 deletions
diff --git a/shell/source/win32/shlxthandler/prophdl/propertyhdl.cxx b/shell/source/win32/shlxthandler/prophdl/propertyhdl.cxx
new file mode 100644
index 000000000..49a8b8d06
--- /dev/null
+++ b/shell/source/win32/shlxthandler/prophdl/propertyhdl.cxx
@@ -0,0 +1,432 @@
+/* -*- 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 <global.hxx>
+#include <propertyhdl.hxx>
+#include <fileextensions.hxx>
+#include <metainforeader.hxx>
+#include <utilities.hxx>
+#include <config.hxx>
+
+#include <propkey.h>
+#include <propvarutil.h>
+#include <sal/macros.h>
+
+#include <malloc.h>
+#include <strsafe.h>
+
+#include <stream_helper.hxx>
+
+
+// Module global
+
+LONG g_DllRefCnt = 0;
+static HINSTANCE g_hModule = nullptr;
+
+const PROPERTYKEY g_rgPROPERTIES[] =
+{
+ PKEY_Title,
+ PKEY_Author,
+ PKEY_Subject,
+ PKEY_Keywords,
+ PKEY_Comment
+};
+
+size_t const gPropertyTableSize = SAL_N_ELEMENTS(g_rgPROPERTIES);
+
+
+CPropertyHdl::CPropertyHdl( LONG nRefCnt ) :
+ m_RefCnt( nRefCnt ),
+ m_pCache( nullptr )
+{
+ OutputDebugStringFormatW( L"CPropertyHdl: CTOR\n" );
+ InterlockedIncrement( &g_DllRefCnt );
+}
+
+
+CPropertyHdl::~CPropertyHdl()
+{
+ if ( m_pCache )
+ {
+ m_pCache->Release();
+ m_pCache = nullptr;
+ }
+ InterlockedDecrement( &g_DllRefCnt );
+}
+
+
+// IUnknown methods
+
+HRESULT STDMETHODCALLTYPE CPropertyHdl::QueryInterface(REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject)
+{
+ *ppvObject = nullptr;
+
+ if (IID_IUnknown == riid || IID_IPropertyStore == riid)
+ {
+ OutputDebugStringFormatW( L"CPropertyHdl: QueryInterface (IID_IPropertyStore)\n" );
+ IUnknown* pUnk = static_cast<IPropertyStore*>(this);
+ pUnk->AddRef();
+ *ppvObject = pUnk;
+ return S_OK;
+ }
+ else if (IID_IPropertyStoreCapabilities == riid)
+ {
+ OutputDebugStringFormatW( L"CPropertyHdl: QueryInterface (IID_IPropertyStoreCapabilities)\n" );
+ IUnknown* pUnk = static_cast<IPropertyStore*>(this);
+ pUnk->AddRef();
+ *ppvObject = pUnk;
+ return S_OK;
+ }
+ else if (IID_IInitializeWithStream == riid)
+ {
+ OutputDebugStringFormatW( L"CPropertyHdl: QueryInterface (IID_IInitializeWithStream)\n" );
+ IUnknown* pUnk = static_cast<IInitializeWithStream*>(this);
+ pUnk->AddRef();
+ *ppvObject = pUnk;
+ return S_OK;
+ }
+ OutputDebugStringFormatW( L"CPropertyHdl: QueryInterface (something different)\n" );
+
+ return E_NOINTERFACE;
+}
+
+
+ULONG STDMETHODCALLTYPE CPropertyHdl::AddRef()
+{
+ return InterlockedIncrement( &m_RefCnt );
+}
+
+
+ULONG STDMETHODCALLTYPE CPropertyHdl::Release()
+{
+ LONG refcnt = InterlockedDecrement( &m_RefCnt );
+
+ if ( 0 == m_RefCnt )
+ delete this;
+
+ return refcnt;
+}
+
+
+// IPropertyStore
+
+HRESULT STDMETHODCALLTYPE CPropertyHdl::GetCount( DWORD *pcProps )
+{
+ HRESULT hr = E_UNEXPECTED;
+ if ( m_pCache && pcProps )
+ {
+ hr = m_pCache->GetCount( pcProps );
+ }
+
+ return hr;
+}
+
+
+HRESULT STDMETHODCALLTYPE CPropertyHdl::GetAt( DWORD iProp, PROPERTYKEY *pKey )
+{
+ HRESULT hr = E_UNEXPECTED;
+ if ( m_pCache )
+ {
+ hr = m_pCache->GetAt( iProp, pKey );
+ }
+
+ return hr;
+}
+
+
+HRESULT STDMETHODCALLTYPE CPropertyHdl::GetValue( REFPROPERTYKEY key, PROPVARIANT *pPropVar )
+{
+ HRESULT hr = E_UNEXPECTED;
+ if ( m_pCache )
+ {
+ hr = m_pCache->GetValue( key, pPropVar );
+ }
+
+ return hr;
+}
+
+
+HRESULT STDMETHODCALLTYPE
+CPropertyHdl::SetValue(REFPROPERTYKEY /*key*/, REFPROPVARIANT /*propVar*/)
+{
+ HRESULT hr = E_UNEXPECTED;
+ if ( m_pCache )
+ {
+ hr = STG_E_ACCESSDENIED;
+ }
+ return hr;
+}
+
+
+HRESULT STDMETHODCALLTYPE CPropertyHdl::Commit()
+{
+ return S_OK;
+}
+
+
+// IPropertyStore
+
+HRESULT STDMETHODCALLTYPE
+CPropertyHdl::IsPropertyWritable(REFPROPERTYKEY /*key*/)
+{
+ // We start with read only properties only
+ return S_FALSE;
+}
+
+
+// IInitializeWithStream
+
+HRESULT STDMETHODCALLTYPE CPropertyHdl::Initialize( IStream *pStream, DWORD grfMode )
+{
+ if ( grfMode & STGM_READWRITE )
+ return STG_E_ACCESSDENIED;
+
+ if ( !m_pCache )
+ {
+ if ( FAILED( PSCreateMemoryPropertyStore( IID_PPV_ARGS( &m_pCache ) ) ) )
+ OutputDebugStringFormatW( L"CPropertyHdl::Initialize: PSCreateMemoryPropertyStore failed" );
+
+ BufferStream tmpStream(pStream);
+
+ CMetaInfoReader *pMetaInfoReader = nullptr;
+
+ try
+ {
+ pMetaInfoReader = new CMetaInfoReader( &tmpStream );
+ LoadProperties( pMetaInfoReader );
+ delete pMetaInfoReader;
+ }
+ catch (const std::exception& e)
+ {
+ // To output 8-bit string using unicode version of formatting functions, use capital %S type
+ // see https://msdn.microsoft.com/en-us/library/hf4y5e3w
+ OutputDebugStringFormatW( L"CPropertyHdl::Initialize: Caught exception [%S]", e.what() );
+ return E_FAIL;
+ }
+ }
+
+ return S_OK;
+}
+
+namespace {
+
+HRESULT GetItemData( CMetaInfoReader *pMetaInfoReader, UINT nIndex, PROPVARIANT *pVarData )
+{
+ switch (nIndex) {
+ case 0: {
+ pVarData->vt = VT_BSTR;
+ pVarData->bstrVal = SysAllocString( pMetaInfoReader->getTagData( META_INFO_TITLE ).c_str() );
+ OutputDebugStringFormatW( L"CPropertyHdl::GetItemData: Title=%s.\n", pMetaInfoReader->getTagData( META_INFO_TITLE ).c_str() );
+ return S_OK;
+ }
+ case 1: {
+ pVarData->vt = VT_BSTR;
+ pVarData->bstrVal = SysAllocString( pMetaInfoReader->getTagData( META_INFO_AUTHOR ).c_str() );
+ OutputDebugStringFormatW( L"CPropertyHdl::GetItemData: Author=%s.\n", pMetaInfoReader->getTagData( META_INFO_AUTHOR ).c_str() );
+ return S_OK;
+ }
+ case 2: {
+ pVarData->vt = VT_BSTR;
+ pVarData->bstrVal = SysAllocString( pMetaInfoReader->getTagData( META_INFO_SUBJECT ).c_str() );
+ OutputDebugStringFormatW( L"CPropertyHdl::GetItemData: Subject=%s.\n", pMetaInfoReader->getTagData( META_INFO_SUBJECT ).c_str() );
+ return S_OK;
+ }
+ case 3: {
+ pVarData->vt = VT_BSTR;
+ pVarData->bstrVal = SysAllocString( pMetaInfoReader->getTagData( META_INFO_KEYWORDS ).c_str() );
+ OutputDebugStringFormatW( L"CPropertyHdl::GetItemData: Keywords=%s.\n", pMetaInfoReader->getTagData( META_INFO_KEYWORDS ).c_str() );
+ return S_OK;
+ }
+ case 4: {
+ pVarData->vt = VT_BSTR;
+ pVarData->bstrVal = SysAllocString( pMetaInfoReader->getTagData( META_INFO_DESCRIPTION ).c_str() );
+ OutputDebugStringFormatW( L"CPropertyHdl::GetItemData: Description=%s.\n", pMetaInfoReader->getTagData( META_INFO_DESCRIPTION ).c_str() );
+ return S_OK;
+ }
+ case 5: {
+ pVarData->vt = VT_BSTR;
+ pVarData->bstrVal = SysAllocString( pMetaInfoReader->getTagAttribute( META_INFO_DOCUMENT_STATISTIC, META_INFO_PAGES ).c_str() );
+ OutputDebugStringFormatW( L"CPropertyHdl::GetItemData: Pages=%s.\n", pMetaInfoReader->getTagAttribute( META_INFO_DOCUMENT_STATISTIC, META_INFO_PAGES ).c_str() );
+ return S_OK;
+ }
+ }
+
+ return S_FALSE;
+}
+
+}
+
+void CPropertyHdl::LoadProperties( CMetaInfoReader *pMetaInfoReader )
+{
+ OutputDebugStringFormatW( L"CPropertyHdl: LoadProperties\n" );
+ PROPVARIANT propvarValues;
+
+ for ( UINT i = 0; i < UINT(gPropertyTableSize); ++i )
+ {
+ PropVariantClear( &propvarValues );
+ HRESULT hr = GetItemData( pMetaInfoReader, i, &propvarValues);
+ if (hr == S_OK)
+ {
+ // coerce the value(s) to the appropriate type for the property key
+ hr = PSCoerceToCanonicalValue( g_rgPROPERTIES[i], &propvarValues );
+ if (SUCCEEDED(hr))
+ {
+ // cache the value(s) loaded
+ hr = m_pCache->SetValueAndState( g_rgPROPERTIES[i], &propvarValues, PSC_NORMAL );
+ }
+ }
+ }
+}
+
+// CClassFactory
+
+
+LONG CClassFactory::s_ServerLocks = 0;
+
+
+CClassFactory::CClassFactory( const CLSID& clsid ) :
+ m_RefCnt(1),
+ m_Clsid(clsid)
+{
+ InterlockedIncrement( &g_DllRefCnt );
+}
+
+
+CClassFactory::~CClassFactory()
+{
+ InterlockedDecrement( &g_DllRefCnt );
+}
+
+
+// IUnknown methods
+
+HRESULT STDMETHODCALLTYPE CClassFactory::QueryInterface( REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject )
+{
+ *ppvObject = nullptr;
+
+ if ( IID_IUnknown == riid || IID_IClassFactory == riid )
+ {
+ IUnknown* pUnk = this;
+ pUnk->AddRef();
+ *ppvObject = pUnk;
+ return S_OK;
+ }
+
+ return E_NOINTERFACE;
+}
+
+
+ULONG STDMETHODCALLTYPE CClassFactory::AddRef()
+{
+ return InterlockedIncrement( &m_RefCnt );
+}
+
+
+ULONG STDMETHODCALLTYPE CClassFactory::Release()
+{
+ LONG refcnt = InterlockedDecrement( &m_RefCnt );
+
+ if (0 == refcnt)
+ delete this;
+
+ return refcnt;
+}
+
+
+// IClassFactory methods
+
+HRESULT STDMETHODCALLTYPE CClassFactory::CreateInstance(
+ IUnknown __RPC_FAR *pUnkOuter,
+ REFIID riid,
+ void __RPC_FAR *__RPC_FAR *ppvObject)
+{
+ if ( pUnkOuter != nullptr )
+ return CLASS_E_NOAGGREGATION;
+
+ IUnknown* pUnk = nullptr;
+
+ if ( CLSID_PROPERTY_HANDLER == m_Clsid )
+ pUnk = static_cast<IPropertyStore*>( new CPropertyHdl() );
+
+ if (nullptr == pUnk)
+ {
+ return E_OUTOFMEMORY;
+ }
+
+ HRESULT hr = pUnk->QueryInterface( riid, ppvObject );
+
+ // if QueryInterface failed the component will destroy itself
+ pUnk->Release();
+
+ return hr;
+}
+
+
+HRESULT STDMETHODCALLTYPE CClassFactory::LockServer( BOOL fLock )
+{
+ if ( fLock )
+ InterlockedIncrement( &s_ServerLocks );
+ else
+ InterlockedDecrement( &s_ServerLocks );
+
+ return S_OK;
+}
+
+
+bool CClassFactory::IsLocked()
+{
+ return ( s_ServerLocks > 0 );
+}
+
+
+STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
+{
+ OutputDebugStringFormatW( L"DllGetClassObject.\n" );
+ *ppv = nullptr;
+
+ if ( rclsid != CLSID_PROPERTY_HANDLER )
+ return CLASS_E_CLASSNOTAVAILABLE;
+
+ if ( (riid != IID_IUnknown) && (riid != IID_IClassFactory) )
+ return E_NOINTERFACE;
+
+ IUnknown* pUnk = new CClassFactory( rclsid );
+ *ppv = pUnk;
+ return S_OK;
+}
+
+
+STDAPI DllCanUnloadNow()
+{
+ OutputDebugStringFormatW( L"DllCanUnloadNow.\n" );
+ if (CClassFactory::IsLocked() || g_DllRefCnt > 0)
+ return S_FALSE;
+
+ return S_OK;
+}
+
+
+BOOL WINAPI DllMain( HINSTANCE hInst, ULONG /*ul_reason_for_call*/, LPVOID /*lpReserved*/ )
+{
+ OutputDebugStringFormatW( L"DllMain.\n" );
+ g_hModule = hInst;
+ return TRUE;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */