/* -*- 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 . */ #ifndef _SDR_CONTACT_OBJECTCONTACT_HXX #define _SDR_CONTACT_OBJECTCONTACT_HXX #include #include "svx/svxdllapi.h" #include ////////////////////////////////////////////////////////////////////////////// // predeclarations class SetOfByte; class Rectangle; class SdrPageView; class OutputDevice; namespace sdr { namespace contact { class DisplayInfo; class ViewContact; class ViewObjectContactRedirector; }} namespace sdr { namespace event { class TimerEventHandler; }} namespace basegfx { class B2DRange; class B2DHomMatrix; } ////////////////////////////////////////////////////////////////////////////// namespace sdr { namespace contact { class SVX_DLLPUBLIC ObjectContact { private: // make ViewObjectContact a friend to exclusively allow it to use // AddViewObjectContact/RemoveViewObjectContact friend class ViewObjectContact; // All VOCs which are created using this OC, thus remembering this OC // as a reference. All those VOCs need to be deleted when the OC goes down. // Registering and de-registering is done in the VOC constructors/destructors. std::vector< ViewObjectContact* > maViewObjectContactVector; // A new ViewObjectContact was created and shall be remembered. void AddViewObjectContact(ViewObjectContact& rVOContact); // A ViewObjectContact was deleted and shall be forgotten. virtual void RemoveViewObjectContact(ViewObjectContact& rVOContact); // the primitiveAnimator which is used if this View and/or the contained primitives // support animatedSwitchPrimitives sdr::animation::primitiveAnimator maPrimitiveAnimator; // the EventHandler for e.g. asynchronious loading of graphics sdr::event::TimerEventHandler* mpEventHandler; // The redirector. If set it is used to pipe all supported calls // to the redirector ViewObjectContactRedirector* mpViewObjectContactRedirector; // the Primitive2DParameters containing view information drawinglayer::geometry::ViewInformation2D maViewInformation2D; // bitfield // flag for preview renderer unsigned mbIsPreviewRenderer : 1; // method to create a EventHandler. Needs to give a result. sdr::event::TimerEventHandler* CreateEventHandler(); protected: // Interface to allow derivates to travel over the registered VOC's sal_uInt32 getViewObjectContactCount() const { return maViewObjectContactVector.size(); } ViewObjectContact* getViewObjectContact(sal_uInt32 a) const { return maViewObjectContactVector[a]; } // interface to allow derivates to set PreviewRenderer flag void setPreviewRenderer(bool bNew) { mbIsPreviewRenderer = bNew; } // interface to allow derivates to set ViewInformation2D void updateViewInformation2D(const drawinglayer::geometry::ViewInformation2D& rViewInformation2D) { maViewInformation2D = rViewInformation2D; } public: // basic constructor ObjectContact(); virtual ~ObjectContact(); // LazyInvalidate request. This is used from the VOCs to mark that they // got invalidated by an ActionCanged() call. An active view needs to remember // this and take action on it. Default implementation directly calls back // triggerLazyInvalidate() wich promptly handles the request virtual void setLazyInvalidate(ViewObjectContact& rVOC); // call this to support evtl. preparations for repaint. Default does nothing virtual void PrepareProcessDisplay(); // Process the whole displaying virtual void ProcessDisplay(DisplayInfo& rDisplayInfo); // test if visualizing of entered groups is switched on at all. Default // implementation returns sal_False. virtual bool DoVisualizeEnteredGroup() const; // get active group's (the entered group) ViewContact virtual const ViewContact* getActiveViewContact() const; // Invalidate given rectangle at the window/output which is represented by // this ObjectContact. Default does nothing. virtual void InvalidatePartOfView(const basegfx::B2DRange& rRange) const; // Get info if given Rectangle is visible in this view virtual bool IsAreaVisible(const basegfx::B2DRange& rRange) const; // Get info about the need to visualize GluePoints. The default // is that it is not necessary. virtual bool AreGluePointsVisible() const; // method to get the primitiveAnimator sdr::animation::primitiveAnimator& getPrimitiveAnimator(); // method to get the EventHandler. It will // return a existing one or create a new one using CreateEventHandler(). sdr::event::TimerEventHandler& GetEventHandler() const; // delete the EventHandler void DeleteEventHandler(); // test if there is an EventHandler without creating one on demand bool HasEventHandler() const; // check if text animation is allowed. Default is sal_true. virtual bool IsTextAnimationAllowed() const; // check if graphic animation is allowed. Default is sal_true. virtual bool IsGraphicAnimationAllowed() const; // check if asynchronious graphis loading is allowed. Default is sal_False. virtual bool IsAsynchronGraphicsLoadingAllowed() const; // access to ViewObjectContactRedirector ViewObjectContactRedirector* GetViewObjectContactRedirector() const; void SetViewObjectContactRedirector(ViewObjectContactRedirector* pNew); // check if buffering of MasterPages is allowed. Default is sal_False. virtual bool IsMasterPageBufferingAllowed() const; // print? Default is false virtual bool isOutputToPrinter() const; // window? Default is true virtual bool isOutputToWindow() const; // VirtualDevice? Default is false virtual bool isOutputToVirtualDevice() const; // recording MetaFile? Default is false virtual bool isOutputToRecordingMetaFile() const; // pdf export? Default is false virtual bool isOutputToPDFFile() const; // gray display mode virtual bool isDrawModeGray() const; // gray display mode virtual bool isDrawModeBlackWhite() const; // high contrast display mode virtual bool isDrawModeHighContrast() const; // check if this is a preview renderer. Default is sal_False. bool IsPreviewRenderer() const { return mbIsPreviewRenderer; } // get Primitive2DParameters for this view const drawinglayer::geometry::ViewInformation2D& getViewInformation2D() const { return maViewInformation2D; } // access to SdrPageView. May return 0L like the default implementations do. Needs to be overloaded as needed. virtual SdrPageView* TryToGetSdrPageView() const; // access to OutputDevice. May return 0L like the default implementations do. Needs to be overloaded as needed. virtual OutputDevice* TryToGetOutputDevice() const; // reset ViewPort at internal ViewInformation2D. This is needed when the OC is used // not for ProcessDisplay() but to get a VOC associated with it. When trying to get // a sequence of primitives from the VOC then, the last initialized ViewPort from // the last ProcessDisplay() is used for geometric visibility testing. If this is not // wanted (like in such cases) this method is used. It will reuse the current // ViewInformation2D, but clear the ViewPort (no ViewPort means all is visible) void resetViewPort(); }; } // end of namespace contact } // end of namespace sdr ////////////////////////////////////////////////////////////////////////////// #endif //_SDR_CONTACT_OBJECTCONTACT_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */