1 files changed, 151 insertions, 0 deletions
diff --git a/sd/source/ui/framework/module/CenterViewFocusModule.cxx b/sd/source/ui/framework/module/CenterViewFocusModule.cxx
new file mode 100644
index 000000000..e36f95e33
--- /dev/null
+++ b/sd/source/ui/framework/module/CenterViewFocusModule.cxx
@@ -0,0 +1,151 @@
+/* -*- 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 "CenterViewFocusModule.hxx"
+
+#include <framework/FrameworkHelper.hxx>
+#include <framework/ViewShellWrapper.hxx>
+
+#include <DrawController.hxx>
+#include <ViewShellBase.hxx>
+#include <ViewShellManager.hxx>
+#include <com/sun/star/drawing/framework/XControllerManager.hpp>
+#include <com/sun/star/drawing/framework/XConfigurationController.hpp>
+#include <comphelper/servicehelper.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::drawing::framework;
+
+using ::sd::framework::FrameworkHelper;
+
+namespace sd::framework {
+
+//===== CenterViewFocusModule ====================================================
+
+CenterViewFocusModule::CenterViewFocusModule (Reference<frame::XController> const & rxController)
+    : mbValid(false),
+      mpBase(nullptr),
+      mbNewViewCreated(false)
+{
+    Reference<XControllerManager> xControllerManager (rxController, UNO_QUERY);
+    if (xControllerManager.is())
+    {
+        mxConfigurationController = xControllerManager->getConfigurationController();
+
+        // Tunnel through the controller to obtain a ViewShellBase.
+        auto pController = comphelper::getFromUnoTunnel<sd::DrawController>(rxController);
+        if (pController != nullptr)
+            mpBase = pController->GetViewShellBase();
+
+        // Check, if all required objects do exist.
+        if (mxConfigurationController.is() && mpBase!=nullptr)
+        {
+            mbValid = true;
+        }
+    }
+
+    if (mbValid)
+    {
+        mxConfigurationController->addConfigurationChangeListener(
+            this,
+            FrameworkHelper::msConfigurationUpdateEndEvent,
+            Any());
+        mxConfigurationController->addConfigurationChangeListener(
+            this,
+            FrameworkHelper::msResourceActivationEvent,
+            Any());
+    }
+}
+
+CenterViewFocusModule::~CenterViewFocusModule()
+{
+}
+
+void CenterViewFocusModule::disposing(std::unique_lock<std::mutex>&)
+{
+    if (mxConfigurationController.is())
+        mxConfigurationController->removeConfigurationChangeListener(this);
+
+    mbValid = false;
+    mxConfigurationController = nullptr;
+    mpBase = nullptr;
+}
+
+void SAL_CALL CenterViewFocusModule::notifyConfigurationChange (
+    const ConfigurationChangeEvent& rEvent)
+{
+    if (mbValid)
+    {
+        if (rEvent.Type == FrameworkHelper::msConfigurationUpdateEndEvent)
+        {
+            HandleNewView(rEvent.Configuration);
+        }
+        else if (rEvent.Type == FrameworkHelper::msResourceActivationEvent)
+        {
+            if (rEvent.ResourceId->getResourceURL().match(FrameworkHelper::msViewURLPrefix))
+                mbNewViewCreated = true;
+        }
+    }
+}
+
+void CenterViewFocusModule::HandleNewView (
+    const Reference<XConfiguration>& rxConfiguration)
+{
+    if (!mbNewViewCreated)
+        return;
+
+    mbNewViewCreated = false;
+    // Make the center pane the active one.  Tunnel through the
+    // controller to obtain a ViewShell pointer.
+
+    Sequence<Reference<XResourceId> > xViewIds (rxConfiguration->getResources(
+        FrameworkHelper::CreateResourceId(FrameworkHelper::msCenterPaneURL),
+        FrameworkHelper::msViewURLPrefix,
+        AnchorBindingMode_DIRECT));
+    Reference<XView> xView;
+    if (xViewIds.hasElements())
+        xView.set( mxConfigurationController->getResource(xViewIds[0]),UNO_QUERY);
+    if (mpBase!=nullptr)
+    {
+        auto pViewShellWrapper = comphelper::getFromUnoTunnel<ViewShellWrapper>(xView);
+        if (pViewShellWrapper != nullptr)
+        {
+            std::shared_ptr<ViewShell> pViewShell = pViewShellWrapper->GetViewShell();
+            if (pViewShell != nullptr)
+                mpBase->GetViewShellManager()->MoveToTop(*pViewShell);
+        }
+    }
+}
+
+void SAL_CALL CenterViewFocusModule::disposing (
+    const lang::EventObject& rEvent)
+{
+    if (mxConfigurationController.is())
+        if (rEvent.Source == mxConfigurationController)
+        {
+            mbValid = false;
+            mxConfigurationController = nullptr;
+            mpBase = nullptr;
+        }
+}
+
+} // end of namespace sd::framework
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */