framework/source/helper/vclstatusindicator.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <helper/vclstatusindicator.hxx>
  21
  22 #include <toolkit/helper/vclunohelper.hxx>
  23 #include <utility>
  24 #include <vcl/svapp.hxx>
  25
  26 namespace framework {
  27
  28 VCLStatusIndicator::VCLStatusIndicator(css::uno::Reference< css::awt::XWindow >                xParentWindow)
  29     : m_xParentWindow    (std::move(xParentWindow                ))
  30     , m_pStatusBar       (nullptr                            )
  31     , m_nRange           (0                            )
  32     , m_nValue           (0                            )
  33 {
  34     if (!m_xParentWindow.is())
  35         throw css::uno::RuntimeException(
  36                 "Can't work without a parent window!",
  37                 static_cast< css::task::XStatusIndicator* >(this));
  38 }
  39
  40 VCLStatusIndicator::~VCLStatusIndicator()
  41 {
  42 }
  43
  44 void SAL_CALL VCLStatusIndicator::start(const OUString& sText ,
  45                                               sal_Int32        nRange)
  46 {
  47     SolarMutexGuard aSolarGuard;
  48
  49     VclPtr<vcl::Window> pParentWindow = VCLUnoHelper::GetWindow(m_xParentWindow);
  50     if (!m_pStatusBar)
  51         m_pStatusBar = VclPtr<StatusBar>::Create(pParentWindow, WB_3DLOOK|WB_BORDER);
  52
  53     VCLStatusIndicator::impl_recalcLayout(m_pStatusBar, pParentWindow);
  54
  55     m_pStatusBar->Show();
  56     m_pStatusBar->StartProgressMode(sText);
  57     m_pStatusBar->SetProgressValue(0);
  58
  59     // force repaint!
  60     pParentWindow->Show();
  61     pParentWindow->Invalidate(InvalidateFlags::Children);
  62     pParentWindow->GetOutDev()->Flush();
  63
  64     m_nRange = nRange;
  65     m_nValue = 0;
  66 }
  67
  68 void SAL_CALL VCLStatusIndicator::reset()
  69 {
  70     SolarMutexGuard aSolarGuard;
  71     if (m_pStatusBar)
  72     {
  73         m_pStatusBar->SetProgressValue(0);
  74         m_pStatusBar->SetText(OUString());
  75     }
  76 }
  77
  78 void SAL_CALL VCLStatusIndicator::end()
  79 {
  80     SolarMutexGuard aSolarGuard;
  81
  82     m_nRange = 0;
  83     m_nValue = 0;
  84
  85     if (m_pStatusBar)
  86     {
  87         m_pStatusBar->EndProgressMode();
  88         m_pStatusBar->Show(false);
  89
  90         m_pStatusBar.disposeAndClear();
  91     }
  92 }
  93
  94 void SAL_CALL VCLStatusIndicator::setText(const OUString& sText)
  95 {
  96     SolarMutexGuard aSolarGuard;
  97     if (m_pStatusBar)
  98         m_pStatusBar->SetText(sText);
  99 }
 100
 101 void SAL_CALL VCLStatusIndicator::setValue(sal_Int32 nValue)
 102 {
 103     SolarMutexGuard aSolarGuard;
 104
 105     if (nValue <= m_nRange)
 106         m_nValue = nValue;
 107     else
 108         m_nValue = m_nRange;
 109
 110     sal_Int32 nRange = m_nRange;
 111     nValue = m_nValue;
 112
 113     // normalize value to fit the range of 0-100%
 114     sal_uInt16 nPercent = sal::static_int_cast< sal_uInt16 >(
 115         ::std::min(
 116             ((nValue*100) / ::std::max(nRange,sal_Int32(1))), sal_Int32(100)));
 117
 118     if (m_pStatusBar)
 119         m_pStatusBar->SetProgressValue(nPercent);
 120 }
 121
 122 void VCLStatusIndicator::impl_recalcLayout(vcl::Window* pStatusBar   ,
 123                                            vcl::Window const * pParentWindow)
 124 {
 125     if (
 126         (!pStatusBar   ) ||
 127         (!pParentWindow)
 128        )
 129        return;
 130
 131     Size aParentSize = pParentWindow->GetSizePixel();
 132     pStatusBar->setPosSizePixel(0,
 133                                 0,
 134                                 aParentSize.Width(),
 135                                 aParentSize.Height());
 136 }
 137
 138 } // namespace framework
 139
 140 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */