1 files changed, 178 insertions, 0 deletions
diff --git a/framework/source/helper/tagwindowasmodified.cxx b/framework/source/helper/tagwindowasmodified.cxx
new file mode 100644
index 000000000..f17594cee
--- /dev/null
+++ b/framework/source/helper/tagwindowasmodified.cxx
@@ -0,0 +1,178 @@
+/* -*- 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 <helper/tagwindowasmodified.hxx>
+
+#include <com/sun/star/awt/XWindow.hpp>
+
+#include <com/sun/star/util/XModifyBroadcaster.hpp>
+#include <com/sun/star/util/XModifiable.hpp>
+#include <com/sun/star/frame/FrameAction.hpp>
+
+#include <toolkit/helper/vclunohelper.hxx>
+#include <vcl/window.hxx>
+#include <vcl/svapp.hxx>
+#include <tools/wintypes.hxx>
+
+namespace framework{
+
+TagWindowAsModified::TagWindowAsModified()
+{
+}
+
+TagWindowAsModified::~TagWindowAsModified()
+{
+}
+
+void SAL_CALL TagWindowAsModified::initialize(const css::uno::Sequence< css::uno::Any >& lArguments)
+{
+    css::uno::Reference< css::frame::XFrame > xFrame;
+
+    if (lArguments.hasElements())
+        lArguments[0] >>= xFrame;
+
+    if ( ! xFrame.is ())
+        return;
+
+    {
+        SolarMutexGuard g;
+        m_xFrame = xFrame;
+    }
+
+    xFrame->addFrameActionListener(this);
+    impl_update (xFrame);
+}
+
+void SAL_CALL TagWindowAsModified::modified(const css::lang::EventObject& aEvent)
+{
+    css::uno::Reference< css::util::XModifiable > xModel;
+    css::uno::Reference< css::awt::XWindow >      xWindow;
+    {
+        SolarMutexGuard g;
+        xModel.set(m_xModel.get (), css::uno::UNO_QUERY);
+        xWindow.set(m_xWindow.get(), css::uno::UNO_QUERY);
+        if (
+            ( ! xModel.is  ()       ) ||
+            ( ! xWindow.is ()       ) ||
+            (aEvent.Source != xModel)
+        )
+            return;
+    }
+
+    bool bModified = xModel->isModified ();
+
+    // SYNCHRONIZED ->
+    SolarMutexGuard aSolarGuard;
+
+    VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(xWindow);
+    if ( ! pWindow)
+        return;
+
+    bool bSystemWindow = pWindow->IsSystemWindow();
+    bool bWorkWindow   = (pWindow->GetType() == WindowType::WORKWINDOW);
+    if (!bSystemWindow && !bWorkWindow)
+        return;
+
+    if (bModified)
+        pWindow->SetExtendedStyle(WindowExtendedStyle::DocModified);
+    else
+        pWindow->SetExtendedStyle(WindowExtendedStyle::NONE);
+    // <- SYNCHRONIZED
+}
+
+void SAL_CALL TagWindowAsModified::frameAction(const css::frame::FrameActionEvent& aEvent)
+{
+    if (
+        (aEvent.Action != css::frame::FrameAction_COMPONENT_REATTACHED) &&
+        (aEvent.Action != css::frame::FrameAction_COMPONENT_ATTACHED  )
+       )
+        return;
+
+    css::uno::Reference< css::frame::XFrame > xFrame;
+    {
+        SolarMutexGuard g;
+        xFrame.set(m_xFrame.get(), css::uno::UNO_QUERY);
+        if (
+            ( ! xFrame.is ()        ) ||
+            (aEvent.Source != xFrame)
+        )
+            return;
+    }
+
+    impl_update (xFrame);
+}
+
+void SAL_CALL TagWindowAsModified::disposing(const css::lang::EventObject& aEvent)
+{
+    SolarMutexGuard g;
+
+    css::uno::Reference< css::frame::XFrame > xFrame(m_xFrame.get(), css::uno::UNO_QUERY);
+    if (
+        (xFrame.is ()           ) &&
+        (aEvent.Source == xFrame)
+       )
+    {
+        m_xFrame.clear();
+        return;
+    }
+
+    css::uno::Reference< css::frame::XModel > xModel(m_xModel.get(), css::uno::UNO_QUERY);
+    if (
+        (xModel.is ()           ) &&
+        (aEvent.Source == xModel)
+       )
+    {
+        m_xModel.clear();
+        return;
+    }
+}
+
+void TagWindowAsModified::impl_update (const css::uno::Reference< css::frame::XFrame >& xFrame)
+{
+    if ( ! xFrame.is ())
+        return;
+
+    css::uno::Reference< css::awt::XWindow >       xWindow     = xFrame->getContainerWindow ();
+    css::uno::Reference< css::frame::XController > xController = xFrame->getController ();
+    css::uno::Reference< css::frame::XModel >      xModel;
+    if (xController.is ())
+        xModel = xController->getModel ();
+
+    if (
+        ( ! xWindow.is ()) ||
+        ( ! xModel.is  ())
+       )
+        return;
+
+    {
+        SolarMutexGuard g;
+        // Note: frame was set as member outside ! we have to refresh connections
+        // regarding window and model only here.
+        m_xWindow = xWindow;
+        m_xModel  = xModel;
+    }
+
+    css::uno::Reference< css::util::XModifyBroadcaster > xModifiable(xModel, css::uno::UNO_QUERY);
+    if (xModifiable.is ())
+        xModifiable->addModifyListener (this);
+}
+
+} // namespace framework
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */