1 files changed, 164 insertions, 0 deletions
diff --git a/svx/source/svdraw/svdviter.cxx b/svx/source/svdraw/svdviter.cxx
new file mode 100644
index 000000000..ff2d6da5f
--- /dev/null
+++ b/svx/source/svdraw/svdviter.cxx
@@ -0,0 +1,164 @@
+/* -*- 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 <svx/svdviter.hxx>
+#include <svx/svdobj.hxx>
+#include <svx/svdpage.hxx>
+#include <svx/svdmodel.hxx>
+#include <svx/svdview.hxx>
+#include <svx/svdpagv.hxx>
+#include <svx/svdsob.hxx>
+
+void SdrViewIter::ImpInitVars()
+{
+    mnListenerNum = 0;
+    mpCurrentView = nullptr;
+}
+
+SdrViewIter::SdrViewIter(const SdrPage* pPage)
+{
+    mpPage = pPage;
+    mpModel = pPage ? &pPage->getSdrModelFromSdrPage() : nullptr;
+    mpObject = nullptr;
+    ImpInitVars();
+}
+
+SdrViewIter::SdrViewIter(const SdrObject* pObject)
+{
+    mpObject = pObject;
+    mpModel = pObject ? &pObject->getSdrModelFromSdrObject() : nullptr;
+    mpPage = pObject ? pObject->getSdrPageFromSdrObject() : nullptr;
+
+    if (!mpModel || !mpPage)
+    {
+        mpModel = nullptr;
+        mpPage = nullptr;
+    }
+
+    ImpInitVars();
+}
+
+bool SdrViewIter::ImpCheckPageView(SdrPageView const* pPV) const
+{
+    if (!mpPage)
+        return true;
+
+    bool bMaster(mpPage->IsMasterPage());
+    SdrPage* pPg = pPV->GetPage();
+
+    if (pPg == mpPage)
+    {
+        if (mpObject)
+        {
+            // Looking for an object? First, determine if it visible in
+            // this PageView.
+            SdrLayerIDSet aObjLay;
+            mpObject->getMergedHierarchySdrLayerIDSet(aObjLay);
+            aObjLay &= pPV->GetVisibleLayers();
+            return !aObjLay.IsEmpty();
+        }
+        else
+        {
+            return true;
+        }
+    }
+    else if (bMaster && (!mpObject || !mpObject->IsNotVisibleAsMaster()))
+    {
+        if (pPg->TRG_HasMasterPage())
+        {
+            SdrPage& rMasterPage = pPg->TRG_GetMasterPage();
+
+            if (&rMasterPage == mpPage)
+            {
+                // the page we're looking for is a master page in this PageView
+                if (mpObject)
+                {
+                    // Looking for an object? First, determine if it visible in
+                    // this PageView.
+                    SdrLayerIDSet aObjLay;
+                    mpObject->getMergedHierarchySdrLayerIDSet(aObjLay);
+                    aObjLay &= pPV->GetVisibleLayers();
+                    aObjLay &= pPg->TRG_GetMasterPageVisibleLayers();
+
+                    if (!aObjLay.IsEmpty())
+                    {
+                        return true;
+                    } // else, look at the next master page of this page...
+                }
+                else
+                {
+                    return true;
+                }
+            }
+        }
+    }
+
+    // master page forbidden or no fitting master page found
+    return false;
+}
+
+SdrView* SdrViewIter::ImpFindView()
+{
+    if (mpModel)
+    {
+        const size_t nLsCnt(mpModel->GetSizeOfVector());
+
+        while (mnListenerNum < nLsCnt)
+        {
+            SfxListener* pLs = mpModel->GetListener(mnListenerNum);
+            mpCurrentView = dynamic_cast<SdrView*>(pLs);
+
+            if (mpCurrentView)
+            {
+                if (mpPage)
+                {
+                    SdrPageView* pPV = mpCurrentView->GetSdrPageView();
+
+                    if (pPV && ImpCheckPageView(pPV))
+                    {
+                        return mpCurrentView;
+                    }
+                }
+                else
+                {
+                    return mpCurrentView;
+                }
+            }
+
+            mnListenerNum++;
+        }
+    }
+
+    mpCurrentView = nullptr;
+    return mpCurrentView;
+}
+
+SdrView* SdrViewIter::FirstView()
+{
+    ImpInitVars();
+    return ImpFindView();
+}
+
+SdrView* SdrViewIter::NextView()
+{
+    mnListenerNum++;
+    return ImpFindView();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */