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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 : #ifndef INCLUDED_SLIDESHOW_BASENODE_HXX
20 : #define INCLUDED_SLIDESHOW_BASENODE_HXX
21 :
22 : #include <canvas/debug.hxx>
23 : #include <tools/diagnose_ex.h>
24 : #include <osl/diagnose.hxx>
25 :
26 : #include "event.hxx"
27 : #include "animationnode.hxx"
28 : #include "slideshowcontext.hxx"
29 : #include "shapesubset.hxx"
30 :
31 : #include <boost/noncopyable.hpp>
32 : #include <vector>
33 :
34 : namespace slideshow {
35 : namespace internal {
36 :
37 : /** Context for every node.
38 :
39 : Besides the global AnimationNodeFactory::Context data,
40 : this struct also contains the current DocTree subset
41 : for this node. If start and end index of the
42 : DocTreeNode are equal, the node should use the
43 : complete shape.
44 : */
45 0 : struct NodeContext
46 : {
47 0 : NodeContext( const SlideShowContext& rContext,
48 : const ::basegfx::B2DVector& rSlideSize )
49 : : maContext( rContext ),
50 : maSlideSize( rSlideSize ),
51 : mpMasterShapeSubset(),
52 : mnStartDelay(0.0),
53 0 : mbIsIndependentSubset( true )
54 0 : {}
55 :
56 : void dispose()
57 : {
58 : maContext.dispose();
59 : mpMasterShapeSubset.reset();
60 : }
61 :
62 : /// Context as passed to createAnimationNode()
63 : SlideShowContext maContext;
64 :
65 : /// Size in user coordinate space of the corresponding slide
66 : ::basegfx::B2DVector maSlideSize;
67 :
68 : /// Shape to be used (provided by parent, e.g. for iterations)
69 : ShapeSubsetSharedPtr mpMasterShapeSubset;
70 :
71 : /// Additional delay to node begin (to offset iterate effects)
72 : double mnStartDelay;
73 :
74 : /// When true, subset must be created during slide initialization
75 : bool mbIsIndependentSubset;
76 : };
77 :
78 : class BaseContainerNode;
79 :
80 : /** This interface extends AnimationNode with some
81 : file-private accessor methods.
82 : */
83 0 : class BaseNode : public AnimationNode,
84 : public ::osl::DebugBase<BaseNode>,
85 : private ::boost::noncopyable
86 : {
87 : public:
88 : BaseNode( ::com::sun::star::uno::Reference<
89 : ::com::sun::star::animations::XAnimationNode> const& xNode,
90 : ::boost::shared_ptr<BaseContainerNode> const& pParent,
91 : NodeContext const& rContext );
92 :
93 : /** Provide the node with a shared_ptr to itself.
94 :
95 : Since implementation has to create objects which need
96 : a shared_ptr to this node, and a pointee cannot
97 : retrieve a shared_ptr to itself internally, have to
98 : set that from the outside.
99 : */
100 : void setSelf( const ::boost::shared_ptr< BaseNode >& rSelf );
101 :
102 :
103 : #if OSL_DEBUG_LEVEL >= 2 && defined(DBG_UTIL)
104 : virtual void showState() const;
105 : virtual const char* getDescription() const;
106 : #endif
107 :
108 0 : const ::boost::shared_ptr< BaseContainerNode >& getParentNode() const
109 0 : { return mpParent; }
110 :
111 : // Disposable:
112 : virtual void dispose();
113 :
114 : // AnimationNode:
115 : virtual bool init();
116 : virtual bool resolve();
117 : virtual bool activate();
118 : virtual void deactivate();
119 : virtual void end();
120 : virtual ::com::sun::star::uno::Reference<
121 : ::com::sun::star::animations::XAnimationNode> getXAnimationNode() const;
122 : virtual NodeState getState() const;
123 : virtual bool registerDeactivatingListener(
124 : const AnimationNodeSharedPtr& rNotifee );
125 : // nop:
126 : virtual void notifyDeactivating( const AnimationNodeSharedPtr& rNotifier );
127 :
128 0 : bool isMainSequenceRootNode() const { return mbIsMainSequenceRootNode; }
129 :
130 : protected:
131 : void scheduleDeactivationEvent( EventSharedPtr const& pEvent =
132 : EventSharedPtr() );
133 :
134 0 : SlideShowContext const& getContext() const { return maContext; }
135 0 : ::boost::shared_ptr<BaseNode> const& getSelf() const { return mpSelf; }
136 :
137 0 : bool checkValidNode() const {
138 0 : ENSURE_OR_THROW( mpSelf, "no self ptr set!" );
139 0 : bool const bRet = (meCurrState != INVALID);
140 : OSL_ENSURE( bRet, "### INVALID node!" );
141 0 : return bRet;
142 : }
143 :
144 : private:
145 : // all state affecting methods have "_st" counterparts being called at
146 : // derived classes when in state transistion: no-ops here at BaseNode...
147 : virtual bool init_st();
148 : virtual bool resolve_st();
149 : virtual void activate_st();
150 : virtual void deactivate_st( NodeState eDestState );
151 :
152 : private:
153 : /// notifies
154 : /// - all registered deactivation listeners
155 : /// - single animation end (every node)
156 : /// - slide animations (if main sequence root node)
157 : void notifyEndListeners() const;
158 :
159 : /// Get the node's restart mode
160 : sal_Int16 getRestartMode();
161 :
162 : /** Get the default restart mode
163 :
164 : If this node's default mode is
165 : AnimationRestart::DEFAULT, this method recursively
166 : calls the parent node.
167 : */
168 : sal_Int16 getRestartDefaultMode() const;
169 :
170 : /// Get the node's fill mode
171 : sal_Int16 getFillMode();
172 :
173 : /** Get the default fill mode.
174 :
175 : If this node's default mode is AnimationFill::DEFAULT,
176 : this method recursively calls the parent node.
177 : */
178 : sal_Int16 getFillDefaultMode() const;
179 :
180 0 : bool isTransition( NodeState eFromState, NodeState eToState,
181 : bool debugAssert = true ) const {
182 : (void) debugAssert; // avoid warning
183 0 : bool const bRet =((mpStateTransitionTable[eFromState] & eToState) != 0);
184 : OSL_ENSURE( !debugAssert || bRet, "### state unreachable!" );
185 0 : return bRet;
186 : }
187 :
188 0 : bool inStateOrTransition( int mask ) const {
189 0 : return ((meCurrState & mask) != 0 ||
190 0 : (meCurrentStateTransition & mask) != 0);
191 : }
192 :
193 : class StateTransition;
194 : friend class StateTransition;
195 :
196 : private:
197 : SlideShowContext maContext;
198 :
199 : typedef ::std::vector< AnimationNodeSharedPtr > ListenerVector;
200 :
201 : ListenerVector maDeactivatingListeners;
202 : ::com::sun::star::uno::Reference<
203 : ::com::sun::star::animations::XAnimationNode > mxAnimationNode;
204 : ::boost::shared_ptr< BaseContainerNode > mpParent;
205 : ::boost::shared_ptr< BaseNode > mpSelf;
206 : const int* mpStateTransitionTable;
207 : const double mnStartDelay;
208 : NodeState meCurrState;
209 : int meCurrentStateTransition;
210 : EventSharedPtr mpCurrentEvent;
211 : const bool mbIsMainSequenceRootNode;
212 : };
213 :
214 : typedef ::boost::shared_ptr< BaseNode > BaseNodeSharedPtr;
215 :
216 : } // namespace internal
217 : } // namespace slideshow
218 :
219 : #endif /* INCLUDED_SLIDESHOW_BASENODE_HXX */
220 :
221 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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