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, 424 insertions, 0 deletions

diff --git a/ucb/source/ucp/package/pkgdatasupplier.cxx b/ucb/source/ucp/package/pkgdatasupplier.cxx
new file mode 100644
index 000000000..242c94e14
--- /dev/null
+++ b/ucb/source/ucp/package/pkgdatasupplier.cxx
@@ -0,0 +1,424 @@
+/* -*- 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 .
+ */
+
+
+/**************************************************************************
+                                TODO
+ **************************************************************************
+
+ *************************************************************************/
+
+#include <osl/diagnose.h>
+#include <com/sun/star/container/XNamed.hpp>
+#include <com/sun/star/ucb/IllegalIdentifierException.hpp>
+#include <com/sun/star/ucb/ResultSetException.hpp>
+#include <ucbhelper/contentidentifier.hxx>
+#include <ucbhelper/providerhelper.hxx>
+#include "pkgdatasupplier.hxx"
+#include "pkgcontent.hxx"
+#include "pkgprovider.hxx"
+
+#include "../inc/urihelper.hxx"
+
+using namespace com::sun::star;
+using namespace package_ucp;
+
+// DataSupplier Implementation.
+
+
+DataSupplier::DataSupplier(
+                const uno::Reference< uno::XComponentContext >& rxContext,
+                const rtl::Reference< Content >& rContent )
+: m_xContent( rContent ), m_xContext( rxContext ),
+  m_xFolderEnum( rContent->getIterator() ),
+  m_bCountFinal( !m_xFolderEnum.is() ), m_bThrowException( m_bCountFinal )
+{
+}
+
+
+// virtual
+DataSupplier::~DataSupplier()
+{
+}
+
+
+// virtual
+OUString DataSupplier::queryContentIdentifierString( sal_uInt32 nIndex )
+{
+    std::unique_lock aGuard( m_aMutex );
+    return queryContentIdentifierStringImpl(aGuard, nIndex);
+}
+
+OUString DataSupplier::queryContentIdentifierStringImpl( std::unique_lock<std::mutex>& rGuard, sal_uInt32 nIndex )
+{
+    if ( nIndex < m_aResults.size() )
+    {
+        OUString aId = m_aResults[ nIndex ].aURL;
+        if ( !aId.isEmpty() )
+        {
+            // Already cached.
+            return aId;
+        }
+    }
+
+    if ( getResultImpl( rGuard, nIndex ) )
+    {
+        // Note: getResult fills m_aResults[ nIndex ].aURL.
+        return m_aResults[ nIndex ].aURL;
+    }
+    return OUString();
+}
+
+
+// virtual
+uno::Reference< ucb::XContentIdentifier >
+DataSupplier::queryContentIdentifier( sal_uInt32 nIndex )
+{
+    std::unique_lock aGuard( m_aMutex );
+    return queryContentIdentifierImpl(aGuard, nIndex);
+}
+
+uno::Reference< ucb::XContentIdentifier >
+DataSupplier::queryContentIdentifierImpl( std::unique_lock<std::mutex>& rGuard, sal_uInt32 nIndex )
+{
+    if ( nIndex < m_aResults.size() )
+    {
+        uno::Reference< ucb::XContentIdentifier >& xId
+                                = m_aResults[ nIndex ].xId;
+        if ( xId.is() )
+        {
+            // Already cached.
+            return xId;
+        }
+    }
+
+    OUString aId = queryContentIdentifierStringImpl( rGuard, nIndex );
+    if ( !aId.isEmpty() )
+    {
+        uno::Reference< ucb::XContentIdentifier > xId
+            = new ::ucbhelper::ContentIdentifier( aId );
+        m_aResults[ nIndex ].xId = xId;
+        return xId;
+    }
+    return uno::Reference< ucb::XContentIdentifier >();
+}
+
+
+// virtual
+uno::Reference< ucb::XContent > DataSupplier::queryContent(
+                                                        sal_uInt32 nIndex )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( nIndex < m_aResults.size() )
+    {
+        uno::Reference< ucb::XContent >& xContent
+                                = m_aResults[ nIndex ].xContent;
+        if ( xContent.is() )
+        {
+            // Already cached.
+            return xContent;
+        }
+    }
+
+    uno::Reference< ucb::XContentIdentifier > xId
+        = queryContentIdentifierImpl( aGuard, nIndex );
+    if ( xId.is() )
+    {
+        try
+        {
+            uno::Reference< ucb::XContent > xContent
+                = m_xContent->getProvider()->queryContent( xId );
+            m_aResults[ nIndex ].xContent = xContent;
+            return xContent;
+
+        }
+        catch ( ucb::IllegalIdentifierException const & )
+        {
+        }
+    }
+    return uno::Reference< ucb::XContent >();
+}
+
+
+// virtual
+bool DataSupplier::getResult( sal_uInt32 nIndex )
+{
+    std::unique_lock aGuard( m_aMutex );
+    return getResultImpl(aGuard, nIndex);
+}
+
+bool DataSupplier::getResultImpl( std::unique_lock<std::mutex>& rGuard, sal_uInt32 nIndex )
+{
+    if ( m_aResults.size() > nIndex )
+    {
+        // Result already present.
+        return true;
+    }
+
+    // Result not (yet) present.
+
+    if ( m_bCountFinal )
+        return false;
+
+    // Try to obtain result...
+
+    sal_uInt32 nOldCount = m_aResults.size();
+    bool bFound = false;
+    sal_uInt32 nPos = nOldCount;
+
+    while ( m_xFolderEnum->hasMoreElements() )
+    {
+        try
+        {
+            uno::Reference< container::XNamed > xNamed;
+            m_xFolderEnum->nextElement() >>= xNamed;
+
+            if ( !xNamed.is() )
+            {
+                OSL_FAIL( "DataSupplier::getResult - Got no XNamed!" );
+                break;
+            }
+
+            OUString aName = xNamed->getName();
+
+            if ( aName.isEmpty() )
+            {
+                OSL_FAIL( "DataSupplier::getResult - Empty name!" );
+                break;
+            }
+
+            // Assemble URL for child.
+            OUString aURL = assembleChildURL( aName );
+
+            m_aResults.push_back( ResultListEntry( aURL ) );
+
+            if ( nPos == nIndex )
+            {
+                // Result obtained.
+                bFound = true;
+                break;
+            }
+
+            nPos++;
+        }
+        catch ( container::NoSuchElementException const & )
+        {
+            m_bThrowException = true;
+            break;
+        }
+        catch ( lang::WrappedTargetException const & )
+        {
+            m_bThrowException = true;
+            break;
+        }
+    }
+
+    if ( !bFound )
+        m_bCountFinal = true;
+
+    rtl::Reference< ::ucbhelper::ResultSet > xResultSet = getResultSet();
+    if ( xResultSet.is() )
+    {
+        // Callbacks follow!
+        rGuard.unlock();
+
+        if ( nOldCount < m_aResults.size() )
+            xResultSet->rowCountChanged(
+                                    nOldCount, m_aResults.size() );
+
+        if ( m_bCountFinal )
+            xResultSet->rowCountFinal();
+
+        rGuard.lock();
+    }
+
+    return bFound;
+}
+
+
+// virtual
+sal_uInt32 DataSupplier::totalCount()
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( m_bCountFinal )
+        return m_aResults.size();
+
+    sal_uInt32 nOldCount = m_aResults.size();
+
+    while ( m_xFolderEnum->hasMoreElements() )
+    {
+        try
+        {
+            uno::Reference< container::XNamed > xNamed;
+            m_xFolderEnum->nextElement() >>= xNamed;
+
+            if ( !xNamed.is() )
+            {
+                OSL_FAIL( "DataSupplier::getResult - Got no XNamed!" );
+                break;
+            }
+
+            OUString aName = xNamed->getName();
+
+            if ( aName.isEmpty() )
+            {
+                OSL_FAIL( "DataSupplier::getResult - Empty name!" );
+                break;
+            }
+
+            // Assemble URL for child.
+            OUString aURL = assembleChildURL( aName );
+
+            m_aResults.push_back( ResultListEntry( aURL ) );
+        }
+        catch ( container::NoSuchElementException const & )
+        {
+            m_bThrowException = true;
+            break;
+        }
+        catch ( lang::WrappedTargetException const & )
+        {
+            m_bThrowException = true;
+            break;
+        }
+    }
+
+    m_bCountFinal = true;
+
+    rtl::Reference< ::ucbhelper::ResultSet > xResultSet = getResultSet();
+    if ( xResultSet.is() )
+    {
+        // Callbacks follow!
+        aGuard.unlock();
+
+        if ( nOldCount < m_aResults.size() )
+            xResultSet->rowCountChanged(
+                                    nOldCount, m_aResults.size() );
+
+        xResultSet->rowCountFinal();
+    }
+
+    return m_aResults.size();
+}
+
+
+// virtual
+sal_uInt32 DataSupplier::currentCount()
+{
+    return m_aResults.size();
+}
+
+
+// virtual
+bool DataSupplier::isCountFinal()
+{
+    return m_bCountFinal;
+}
+
+
+// virtual
+uno::Reference< sdbc::XRow > DataSupplier::queryPropertyValues(
+                                                        sal_uInt32 nIndex  )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( nIndex < m_aResults.size() )
+    {
+        uno::Reference< sdbc::XRow >& xRow = m_aResults[ nIndex ].xRow;
+        if ( xRow.is() )
+        {
+            // Already cached.
+            return xRow;
+        }
+    }
+
+    if ( getResultImpl( aGuard, nIndex ) )
+    {
+        uno::Reference< sdbc::XRow > xRow = Content::getPropertyValues(
+                        m_xContext,
+                        getResultSet()->getProperties(),
+                        static_cast< ContentProvider * >(
+                            m_xContent->getProvider().get() ),
+                        queryContentIdentifierStringImpl( aGuard, nIndex ) );
+        m_aResults[ nIndex ].xRow = xRow;
+        return xRow;
+    }
+
+    return uno::Reference< sdbc::XRow >();
+}
+
+
+// virtual
+void DataSupplier::releasePropertyValues( sal_uInt32 nIndex )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( nIndex < m_aResults.size() )
+        m_aResults[ nIndex ].xRow.clear();
+}
+
+
+// virtual
+void DataSupplier::close()
+{
+}
+
+
+// virtual
+void DataSupplier::validate()
+{
+    if ( m_bThrowException )
+        throw ucb::ResultSetException();
+}
+
+
+OUString DataSupplier::assembleChildURL( const OUString& aName )
+{
+    OUString aURL;
+    OUString aContURL
+        = m_xContent->getIdentifier()->getContentIdentifier();
+    sal_Int32 nParam = aContURL.indexOf( '?' );
+    if ( nParam >= 0 )
+    {
+        aURL = aContURL.copy( 0, nParam );
+
+        sal_Int32 nPackageUrlEnd = aURL.lastIndexOf( '/' );
+        if ( nPackageUrlEnd != aURL.getLength() - 1 )
+            aURL += "/";
+
+        aURL += ::ucb_impl::urihelper::encodeSegment( aName ) +
+            aContURL.subView( nParam );
+    }
+    else
+    {
+        aURL = aContURL;
+
+        sal_Int32 nPackageUrlEnd = aURL.lastIndexOf( '/' );
+        if ( nPackageUrlEnd != aURL.getLength() - 1 )
+            aURL += "/";
+
+        aURL += ::ucb_impl::urihelper::encodeSegment( aName );
+    }
+    return aURL;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */