1 files changed, 167 insertions, 0 deletions
diff --git a/oox/source/helper/progressbar.cxx b/oox/source/helper/progressbar.cxx
new file mode 100644
index 000000000..86170b47e
--- /dev/null
+++ b/oox/source/helper/progressbar.cxx
@@ -0,0 +1,167 @@
+/* -*- 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 <oox/helper/progressbar.hxx>
+
+#include <com/sun/star/task/XStatusIndicator.hpp>
+#include <oox/helper/helper.hxx>
+
+#include <sal/log.hxx>
+
+namespace oox {
+
+using namespace ::com::sun::star::task;
+using namespace ::com::sun::star::uno;
+
+namespace {
+
+const sal_Int32 PROGRESS_RANGE      = 1000000;
+
+} // namespace
+
+IProgressBar::~IProgressBar()
+{
+}
+
+ISegmentProgressBar::~ISegmentProgressBar()
+{
+}
+
+ProgressBar::ProgressBar( const Reference< XStatusIndicator >& rxIndicator, const OUString& rText ) :
+    mxIndicator( rxIndicator ),
+    mfPosition( 0 )
+{
+    if( mxIndicator.is() )
+        mxIndicator->start( rText, PROGRESS_RANGE );
+}
+
+ProgressBar::~ProgressBar()
+{
+    if( mxIndicator.is() )
+        mxIndicator->end();
+}
+
+double ProgressBar::getPosition() const
+{
+    return mfPosition;
+}
+
+void ProgressBar::setPosition( double fPosition )
+{
+    SAL_WARN_IF( (mfPosition > fPosition) || (fPosition > 1.0), "oox", "ProgressBar::setPosition - invalid position" );
+    mfPosition = getLimitedValue< double >( fPosition, mfPosition, 1.0 );
+    if( mxIndicator.is() )
+        mxIndicator->setValue( static_cast< sal_Int32 >( mfPosition * PROGRESS_RANGE ) );
+}
+
+namespace prv {
+
+namespace {
+
+class SubSegment : public ISegmentProgressBar
+{
+public:
+    explicit            SubSegment( IProgressBar& rParentProgress, double fStartPos, double fLength );
+
+    virtual double      getPosition() const override;
+    virtual void        setPosition( double fPosition ) override;
+
+    virtual double      getFreeLength() const override;
+    virtual ISegmentProgressBarRef createSegment( double fLength ) override;
+
+private:
+    IProgressBar&       mrParentProgress;
+    double              mfStartPos;
+    double              mfLength;
+    double              mfPosition;
+    double              mfFreeStart;
+};
+
+}
+
+SubSegment::SubSegment( IProgressBar& rParentProgress, double fStartPos, double fLength ) :
+    mrParentProgress( rParentProgress ),
+    mfStartPos( fStartPos ),
+    mfLength( fLength ),
+    mfPosition( 0.0 ),
+    mfFreeStart( 0.0 )
+{
+}
+
+double SubSegment::getPosition() const
+{
+    return mfPosition;
+}
+
+void SubSegment::setPosition( double fPosition )
+{
+    SAL_WARN_IF( (mfPosition > fPosition) || (fPosition > 1.0), "oox", "SubSegment::setPosition - invalid position" );
+    mfPosition = getLimitedValue< double >( fPosition, mfPosition, 1.0 );
+    mrParentProgress.setPosition( mfStartPos + mfPosition * mfLength );
+}
+
+double SubSegment::getFreeLength() const
+{
+    return 1.0 - mfFreeStart;
+}
+
+ISegmentProgressBarRef SubSegment::createSegment( double fLength )
+{
+    SAL_WARN_IF( (0.0 >= fLength) || (fLength > getFreeLength()), "oox", "SubSegment::createSegment - invalid length" );
+    fLength = getLimitedValue< double >( fLength, 0.0, getFreeLength() );
+    ISegmentProgressBarRef xSegment = std::make_shared<prv::SubSegment>( *this, mfFreeStart, fLength );
+    mfFreeStart += fLength;
+    return xSegment;
+}
+
+} // namespace oox::prv
+
+SegmentProgressBar::SegmentProgressBar( const Reference< XStatusIndicator >& rxIndicator, const OUString& rText ) :
+    maProgress( rxIndicator, rText ),
+    mfFreeStart( 0.0 )
+{
+}
+
+double SegmentProgressBar::getPosition() const
+{
+    return maProgress.getPosition();
+}
+
+void SegmentProgressBar::setPosition( double fPosition )
+{
+    maProgress.setPosition( fPosition );
+}
+
+double SegmentProgressBar::getFreeLength() const
+{
+    return 1.0 - mfFreeStart;
+}
+
+ISegmentProgressBarRef SegmentProgressBar::createSegment( double fLength )
+{
+    SAL_WARN_IF( (0.0 >= fLength) || (fLength > getFreeLength()), "oox", "SegmentProgressBar::createSegment - invalid length" );
+    fLength = getLimitedValue< double >( fLength, 0.0, getFreeLength() );
+    ISegmentProgressBarRef xSegment = std::make_shared<prv::SubSegment>( maProgress, mfFreeStart, fLength );
+    mfFreeStart += fLength;
+    return xSegment;
+}
+
+} // namespace oox
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */