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| -rw-r--r-- | slideshow/source/inc/basenode.hxx | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/slideshow/source/inc/basenode.hxx b/slideshow/source/inc/basenode.hxx new file mode 100644 index 000000000..668d9de93 --- /dev/null +++ b/slideshow/source/inc/basenode.hxx @@ -0,0 +1,211 @@ +/* -*- 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 INCLUDED_SLIDESHOW_SOURCE_INC_BASENODE_HXX +#define INCLUDED_SLIDESHOW_SOURCE_INC_BASENODE_HXX + +#include <basegfx/vector/b2dvector.hxx> +#include <tools/diagnose_ex.h> +#include <osl/diagnose.hxx> + +#include "event.hxx" +#include "animationnode.hxx" +#include "slideshowcontext.hxx" +#include "shapesubset.hxx" + +#include <vector> + +namespace slideshow::internal { + +/** Context for every node. + + Besides the global AnimationNodeFactory::Context data, + this struct also contains the current DocTree subset + for this node. If start and end index of the + DocTreeNode are equal, the node should use the + complete shape. +*/ +struct NodeContext +{ + NodeContext( const SlideShowContext& rContext, + const ::basegfx::B2DVector& rSlideSize ) + : maContext( rContext ), + maSlideSize( rSlideSize ), + mpMasterShapeSubset(), + mnStartDelay(0.0), + mbIsIndependentSubset( true ) + {} + + /// Context as passed to createAnimationNode() + SlideShowContext maContext; + + /// Size in user coordinate space of the corresponding slide + ::basegfx::B2DVector maSlideSize; + + /// Shape to be used (provided by parent, e.g. for iterations) + ShapeSubsetSharedPtr mpMasterShapeSubset; + + /// Additional delay to node begin (to offset iterate effects) + double mnStartDelay; + + /// When true, subset must be created during slide initialization + bool mbIsIndependentSubset; +}; + +class BaseContainerNode; +typedef ::std::shared_ptr< BaseContainerNode > BaseContainerNodeSharedPtr; + +class BaseNode; +typedef ::std::shared_ptr< BaseNode > BaseNodeSharedPtr; + + +/** This interface extends AnimationNode with some + file-private accessor methods. +*/ +class BaseNode : public AnimationNode, + public ::osl::DebugBase<BaseNode> +{ +public: + BaseNode( css::uno::Reference<css::animations::XAnimationNode> const& xNode, + BaseContainerNodeSharedPtr const& pParent, + NodeContext const& rContext ); + BaseNode(const BaseNode&) = delete; + BaseNode& operator=(const BaseNode&) = delete; + + /** Provide the node with a shared_ptr to itself. + + Since implementation has to create objects which need + a shared_ptr to this node, and a pointee cannot + retrieve a shared_ptr to itself internally, have to + set that from the outside. + */ + void setSelf( const BaseNodeSharedPtr& rSelf ); + + +#if defined(DBG_UTIL) + virtual void showState() const; + virtual const char* getDescription() const; +#endif + + const ::std::shared_ptr< BaseContainerNode >& getParentNode() const + { return mpParent; } + + // Disposable: + virtual void dispose() override; + + // AnimationNode: + virtual bool init() override; + virtual bool resolve() override; + virtual void activate() override; + virtual void deactivate() override; + virtual void end() override; + virtual css::uno::Reference<css::animations::XAnimationNode> getXAnimationNode() const override; + virtual NodeState getState() const override; + virtual bool registerDeactivatingListener( + const AnimationNodeSharedPtr& rNotifee ) override; + // nop: + virtual void notifyDeactivating( const AnimationNodeSharedPtr& rNotifier ) override; + + bool isMainSequenceRootNode() const { return mbIsMainSequenceRootNode; } + + /// Get the node's fill mode + sal_Int16 getFillMode(); + + virtual void removeEffect() override {} +protected: + void scheduleDeactivationEvent( EventSharedPtr const& pEvent = + EventSharedPtr() ); + + SlideShowContext const& getContext() const { return maContext; } + ::std::shared_ptr<BaseNode> const& getSelf() const { return mpSelf; } + + bool checkValidNode() const { + ENSURE_OR_THROW( mpSelf, "no self ptr set!" ); + bool const bRet = (meCurrState != INVALID); + OSL_ENSURE( bRet, "### INVALID node!" ); + return bRet; + } + +private: + // all state affecting methods have "_st" counterparts being called at + // derived classes when in state transition: no-ops here at BaseNode... + virtual bool init_st(); + virtual bool resolve_st(); + virtual void activate_st(); + virtual void deactivate_st( NodeState eDestState ); + +private: + /// notifies + /// - all registered deactivation listeners + /// - single animation end (every node) + /// - slide animations (if main sequence root node) + void notifyEndListeners() const; + + /// Get the node's restart mode + sal_Int16 getRestartMode(); + + /** Get the default restart mode + + If this node's default mode is + AnimationRestart::DEFAULT, this method recursively + calls the parent node. + */ + sal_Int16 getRestartDefaultMode() const; + + /** Get the default fill mode. + + If this node's default mode is AnimationFill::DEFAULT, + this method recursively calls the parent node. + */ + sal_Int16 getFillDefaultMode() const; + + bool isTransition( NodeState eFromState, NodeState eToState, + bool debugAssert = true ) const { + bool const bRet =((mpStateTransitionTable[eFromState] & eToState) != 0); + OSL_ENSURE( !debugAssert || bRet, "### state unreachable!" ); + return bRet; + } + + bool inStateOrTransition( int mask ) const { + return ((meCurrState & mask) != 0 || + (meCurrentStateTransition & mask) != 0); + } + + class StateTransition; + friend class StateTransition; + +private: + SlideShowContext maContext; + + ::std::vector< AnimationNodeSharedPtr > maDeactivatingListeners; + css::uno::Reference< css::animations::XAnimationNode > mxAnimationNode; + ::std::shared_ptr< BaseContainerNode > mpParent; + ::std::shared_ptr< BaseNode > mpSelf; + const int* mpStateTransitionTable; + const double mnStartDelay; + NodeState meCurrState; + int meCurrentStateTransition; + EventSharedPtr mpCurrentEvent; + const bool mbIsMainSequenceRootNode; +}; + +} // namespace slideshow::internal + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |