tie lifetime of some objects together

It is just too complicated to follow the different OpenGL contexts in
our current desing. This will at least simplify our handling a bit.

IOpenGLRenderer is an abstract interface that should be implemented by
the code using SdrOpenGLObj to paint with OpenGL.

Change-Id: Ib4bfc0350b4345bc27af8bed037c48c11bb67300

include/svx/svdoopengl.hxx

@@ -13,22 +13,34 @@
 #include <svx/svdobj.hxx>
 #include <vcl/OpenGLContext.hxx>
 
+#include <vcl/IOpenGLRenderer.hxx>
+
+#include <boost/scoped_ptr.hpp>
+
 namespace sdr { namespace contact {
     class ViewContact;
 } }
 
+class IOpenGLRenderer;
+
 class SVX_DLLPUBLIC SdrOpenGLObj : public SdrObject
 {
 public:
+    virtual ~SdrOpenGLObj();
     virtual sdr::contact::ViewContact* CreateObjectSpecificViewContact() SAL_OVERRIDE;
 
     OpenGLContext& getOpenGLContext();
 
     virtual void NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact) SAL_OVERRIDE;
 
+    void setRenderer(IOpenGLRenderer* pRenderer);
+    IOpenGLRenderer* getRenderer();
+
 private:
 
     OpenGLContext maContext;
+
+    boost::scoped_ptr<IOpenGLRenderer> mpRenderer;
 };
 
 #endif

include/svx/unoshape.hxx

@@ -66,6 +66,7 @@ class SdrModel;
 class SvxDrawPage;
 class SvGlobalName;
 class Pair;
+class IOpenGLRenderer;
 
 // Dimension arrows change size/position on save/reload (#i59051#)
 namespace basegfx
@@ -881,6 +882,9 @@ class SvxOpenGLObject : public SvxShape
 public:
     SvxOpenGLObject( SdrObject* pObj ) throw() : SvxShape(pObj){}
     virtual ~SvxOpenGLObject() throw() {}
+
+    void setRenderer(IOpenGLRenderer* pRenderer);
+    IOpenGLRenderer* getRenderer();
 };
 
 /*

include/vcl/IOpenGLRenderer.hxx

@@ -0,0 +1,23 @@
+/* -*- 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/.
+ */
+
+#ifndef VCL_IOPENGLRENDER_HXX
+#define VCL_IOPENGLRENDER_HXX
+
+class IOpenGLRenderer
+{
+public:
+    virtual ~IOpenGLRenderer();
+    virtual void operator()() = 0;
+
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

svx/source/svdraw/svdoopengl.cxx

@@ -10,6 +10,12 @@
 #include <svx/svdoopengl.hxx>
 #include <svx/sdr/contact/viewcontactofopenglobj.hxx>
 
+#include <vcl/IOpenGLRenderer.hxx>
+
+SdrOpenGLObj::~SdrOpenGLObj()
+{
+}
+
 sdr::contact::ViewContact* SdrOpenGLObj::CreateObjectSpecificViewContact()
 {
     return new sdr::contact::ViewContactOfOpenGLObj(*this);
@@ -29,5 +35,14 @@ void SdrOpenGLObj::NbcResize(const Point& rRef, const Fraction& xFact, const Fra
     SAL_WARN("svx.opengl", "resized opengl drawinglayer object");
 }
 
+void SdrOpenGLObj::setRenderer(IOpenGLRenderer* pRenderer)
+{
+    mpRenderer.reset(pRenderer);
+}
+
+IOpenGLRenderer* SdrOpenGLObj::getRenderer()
+{
+    return mpRenderer.get();
+}
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

svx/source/unodraw/unoshap4.cxx

@@ -50,6 +50,7 @@
 #include "svx/svdview.hxx"
 #include "svx/svdglob.hxx"
 #include "svx/svdstr.hrc"
+#include <svx/svdoopengl.hxx>
 #include <vcl/wmf.hxx>
 
 
@@ -968,4 +969,15 @@ SvxDummyShapeContainer::SvxDummyShapeContainer(uno::Reference< drawing::XShapes
 SvxDummyShapeContainer::~SvxDummyShapeContainer() throw()
 {
 }
+
+void SvxOpenGLObject::setRenderer(IOpenGLRenderer* pRenderer)
+{
+    static_cast<SdrOpenGLObj*>(GetSdrObject())->setRenderer(pRenderer);
+}
+
+IOpenGLRenderer* SvxOpenGLObject::getRenderer()
+{
+    return static_cast<SdrOpenGLObj*>(GetSdrObject())->getRenderer();
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */