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/* -*- 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 {
namespace 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 internal
} // namespace slideshow
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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