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 <vcl/svapp.hxx>
  24
  25 namespace framework {
  26
  27 VCLStatusIndicator::VCLStatusIndicator(const css::uno::Reference< css::awt::XWindow >&               xParentWindow)
  28     : m_xParentWindow    (xParentWindow                )
  29     , m_pStatusBar       (nullptr                            )
  30     , m_nRange           (0                            )
  31     , m_nValue           (0                            )
  32 {
  33     if (!m_xParentWindow.is())
  34         throw css::uno::RuntimeException(
  35                 "Can't work without a parent window!",
  36                 static_cast< css::task::XStatusIndicator* >(this));
  37 }
  38
  39 VCLStatusIndicator::~VCLStatusIndicator()
  40 {
  41 }
  42
  43 void SAL_CALL VCLStatusIndicator::start(const OUString& sText ,
  44                                               sal_Int32        nRange)
  45 {
  46     SolarMutexGuard aSolarGuard;
  47
  48     VclPtr<vcl::Window> pParentWindow = VCLUnoHelper::GetWindow(m_xParentWindow);
  49     if (!m_pStatusBar)
  50         m_pStatusBar = VclPtr<StatusBar>::Create(pParentWindow, WB_3DLOOK|WB_BORDER);
  51
  52     VCLStatusIndicator::impl_recalcLayout(m_pStatusBar, pParentWindow);
  53
  54     m_pStatusBar->Show();
  55     m_pStatusBar->StartProgressMode(sText);
  56     m_pStatusBar->SetProgressValue(0);
  57
  58     // force repaint!
  59     pParentWindow->Show();
  60     pParentWindow->Invalidate(InvalidateFlags::Children);
  61     pParentWindow->Flush();
  62
  63     m_nRange = nRange;
  64     m_nValue = 0;
  65 }
  66
  67 void SAL_CALL VCLStatusIndicator::reset()
  68 {
  69     SolarMutexGuard aSolarGuard;
  70     if (m_pStatusBar)
  71     {
  72         m_pStatusBar->SetProgressValue(0);
  73         m_pStatusBar->SetText(OUString());
  74     }
  75 }
  76
  77 void SAL_CALL VCLStatusIndicator::end()
  78 {
  79     SolarMutexGuard aSolarGuard;
  80
  81     m_nRange = 0;
  82     m_nValue = 0;
  83
  84     if (m_pStatusBar)
  85     {
  86         m_pStatusBar->EndProgressMode();
  87         m_pStatusBar->Show(false);
  88
  89         m_pStatusBar.disposeAndClear();
  90     }
  91 }
  92
  93 void SAL_CALL VCLStatusIndicator::setText(const OUString& sText)
  94 {
  95     SolarMutexGuard aSolarGuard;
  96     if (m_pStatusBar)
  97         m_pStatusBar->SetText(sText);
  98 }
  99
 100 void SAL_CALL VCLStatusIndicator::setValue(sal_Int32 nValue)
 101 {
 102     SolarMutexGuard aSolarGuard;
 103
 104     if (nValue <= m_nRange)
 105         m_nValue = nValue;
 106     else
 107         m_nValue = m_nRange;
 108
 109     sal_Int32 nRange = m_nRange;
 110     nValue = m_nValue;
 111
 112     // normalize value to fit the range of 0-100%
 113     sal_uInt16 nPercent = sal::static_int_cast< sal_uInt16 >(
 114         ::std::min(
 115             ((nValue*100) / ::std::max(nRange,sal_Int32(1))), sal_Int32(100)));
 116
 117     if (m_pStatusBar)
 118         m_pStatusBar->SetProgressValue(nPercent);
 119 }
 120
 121 void VCLStatusIndicator::impl_recalcLayout(vcl::Window* pStatusBar   ,
 122                                            vcl::Window const * pParentWindow)
 123 {
 124     if (
 125         (!pStatusBar   ) ||
 126         (!pParentWindow)
 127        )
 128        return;
 129
 130     Size aParentSize = pParentWindow->GetSizePixel();
 131     pStatusBar->setPosSizePixel(0,
 132                                 0,
 133                                 aParentSize.Width(),
 134                                 aParentSize.Height());
 135 }
 136
 137 } // namespace framework
 138
 139 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */