framework/source/helper/tagwindowasmodified.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/tagwindowasmodified.hxx>
  21
  22 #include <com/sun/star/awt/XWindow.hpp>
  23
  24 #include <com/sun/star/frame/FrameAction.hpp>
  25
  26 #include <toolkit/helper/vclunohelper.hxx>
  27 #include <vcl/window.hxx>
  28 #include <vcl/svapp.hxx>
  29 #include <vcl/wintypes.hxx>
  30
  31 namespace framework{
  32
  33 TagWindowAsModified::TagWindowAsModified()
  34 {
  35 }
  36
  37 TagWindowAsModified::~TagWindowAsModified()
  38 {
  39 }
  40
  41 void SAL_CALL TagWindowAsModified::initialize(const css::uno::Sequence< css::uno::Any >& lArguments)
  42 {
  43     css::uno::Reference< css::frame::XFrame > xFrame;
  44
  45     if (lArguments.hasElements())
  46         lArguments[0] >>= xFrame;
  47
  48     if (!xFrame)
  49         return;
  50
  51     m_xFrame = xFrame;
  52     xFrame->addFrameActionListener(this);
  53     impl_update (xFrame);
  54 }
  55
  56 void SAL_CALL TagWindowAsModified::modified(const css::lang::EventObject& aEvent)
  57 {
  58     if (!m_xModel || !m_xWindow || aEvent.Source != m_xModel)
  59         return;
  60
  61     bool bModified = m_xModel->isModified ();
  62
  63     // SYNCHRONIZED ->
  64     SolarMutexGuard aSolarGuard;
  65
  66     if (m_xWindow->isDisposed())
  67         return;
  68
  69     if (bModified)
  70         m_xWindow->SetExtendedStyle(WindowExtendedStyle::DocModified);
  71     else
  72         m_xWindow->SetExtendedStyle(WindowExtendedStyle::NONE);
  73     // <- SYNCHRONIZED
  74 }
  75
  76 void SAL_CALL TagWindowAsModified::frameAction(const css::frame::FrameActionEvent& aEvent)
  77 {
  78     if (
  79         (aEvent.Action != css::frame::FrameAction_COMPONENT_REATTACHED) &&
  80         (aEvent.Action != css::frame::FrameAction_COMPONENT_ATTACHED  )
  81        )
  82         return;
  83
  84     if ( aEvent.Source != m_xFrame )
  85         return;
  86
  87     impl_update (m_xFrame);
  88 }
  89
  90 void SAL_CALL TagWindowAsModified::disposing(const css::lang::EventObject& aEvent)
  91 {
  92     SolarMutexGuard g;
  93
  94     if (m_xFrame && aEvent.Source == m_xFrame)
  95     {
  96         m_xFrame->removeFrameActionListener(this);
  97         m_xFrame.clear();
  98         return;
  99     }
 100
 101     if (m_xModel && aEvent.Source == m_xModel)
 102     {
 103         m_xModel->removeModifyListener(this);
 104         m_xModel.clear();
 105         return;
 106     }
 107 }
 108
 109 void TagWindowAsModified::impl_update (const css::uno::Reference< css::frame::XFrame >& xFrame)
 110 {
 111     if (!xFrame)
 112         return;
 113
 114     css::uno::Reference< css::awt::XWindow >       xWindow     = xFrame->getContainerWindow ();
 115     css::uno::Reference< css::frame::XController > xController = xFrame->getController ();
 116     css::uno::Reference< css::util::XModifiable >  xModel;
 117     if (xController.is ())
 118         xModel = css::uno::Reference< css::util::XModifiable >(xController->getModel(), css::uno::UNO_QUERY);
 119
 120     if (!xWindow || !xModel)
 121         return;
 122
 123     {
 124         SolarMutexGuard g;
 125
 126         VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(xWindow);
 127         bool bSystemWindow = pWindow->IsSystemWindow();
 128         bool bWorkWindow   = (pWindow->GetType() == WindowType::WORKWINDOW);
 129         if (!bSystemWindow && !bWorkWindow)
 130             return;
 131
 132         if (m_xModel)
 133             m_xModel->removeModifyListener (this);
 134
 135         // Note: frame was set as member outside ! we have to refresh connections
 136         // regarding window and model only here.
 137         m_xWindow = pWindow;
 138         m_xModel  = xModel;
 139     }
 140
 141     m_xModel->addModifyListener (this);
 142 }
 143
 144 } // namespace framework
 145
 146 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */