LCOV - code coverage report
Current view: top level - slideshow/source/inc - animationnode.hxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 0 1 0.0 %
Date: 2015-06-13 12:38:46 Functions: 0 3 0.0 %
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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_SOURCE_INC_ANIMATIONNODE_HXX
      20             : #define INCLUDED_SLIDESHOW_SOURCE_INC_ANIMATIONNODE_HXX
      21             : 
      22             : #include "disposable.hxx"
      23             : 
      24             : #include <com/sun/star/animations/XAnimationNode.hpp>
      25             : #include <boost/shared_ptr.hpp>
      26             : 
      27             : namespace slideshow {
      28             : namespace internal {
      29             : 
      30             : /** This interface is used to mirror every XAnimateNode object
      31             :     in the presentation core.
      32             : */
      33           0 : class AnimationNode : public Disposable
      34             : {
      35             : public:
      36             :     /** The current state of this AnimationNode
      37             :      */
      38             :     enum NodeState {
      39             :         /// Invalid state, node is disposed or otherwise invalid
      40             :         INVALID      =0,
      41             :         /// Unresolved start time
      42             :         UNRESOLVED   =1,
      43             :         /// Resolved start time, node will start eventually
      44             :         RESOLVED     =2,
      45             :         /// Node is active
      46             :         ACTIVE       =4,
      47             :         /// Node is frozen (no longer active, but changes remain in place)
      48             :         FROZEN       =8,
      49             :         /// Node has completed an active lifecycle,
      50             :         /// and any effect is removed from the document
      51             :         ENDED       =16
      52             :     };
      53             : 
      54             :     /** Query the corresponding XAnimationNode.
      55             :      */
      56             :     virtual ::com::sun::star::uno::Reference<
      57             :         ::com::sun::star::animations::XAnimationNode >
      58             :     getXAnimationNode() const = 0;
      59             : 
      60             :     /** Init this node
      61             : 
      62             :         If this node is not in state INVALID, init() sets up the
      63             :         node state and schedules necessary events.
      64             :         If this node has children, they have their init() called, too.
      65             :         You will call this method whenever a slide is going to be
      66             :         shown.
      67             : 
      68             :         @return true, if init was successful; state has changed to UNRESOLVED
      69             :     */
      70             :     virtual bool init() = 0;
      71             : 
      72             :     /** Resolve node start time
      73             : 
      74             :         Nodes can have unresolved start times, i.e. indefinite
      75             :         start time for container nodes, or child nodes whose
      76             :         parent has not yet started. Calling this method fixes
      77             :         the node's start time. This does not mean that this
      78             :         node immediately starts its animations, that is only
      79             :         the case for begin=0.0. The node will change its state
      80             :         to RESOLVED.
      81             : 
      82             :         @return true, if a start event was successfully scheduled.
      83             :     */
      84             :     virtual bool resolve() = 0;
      85             : 
      86             :     /** Immediately start this node
      87             : 
      88             :         This method starts the animation on this node, without
      89             :         begin timeout. The node will change its state to ACTIVE.
      90             : 
      91             :         @return true, if start was successful. This method
      92             :         might return false, if e.g. a restart is not permitted
      93             :         on this node.
      94             :     */
      95             :     virtual bool activate() = 0;
      96             : 
      97             :     /** Immediately stop this node
      98             : 
      99             :         This method stops the animation on this node. The node
     100             :         will change its state to either ENDED or FROZEN,
     101             :         depending on XAnimationNode attributes.
     102             :     */
     103             :     virtual void deactivate() = 0;
     104             : 
     105             :     /** End the animation on this node
     106             : 
     107             :         This method force-ends animation on this node. Parents
     108             :         may call this for their children, if their active
     109             :         duration ends. An ended animation will no longer have
     110             :         any effect on the shape attributes. The node will
     111             :         change its state to ENDED.
     112             :     */
     113             :     virtual void end() = 0;
     114             : 
     115             :     /** Query node state
     116             : 
     117             :         @return the current state of this animation node.
     118             :     */
     119             :     virtual NodeState getState() const = 0;
     120             : 
     121             :     /** Register a deactivating listener
     122             : 
     123             :         This method registers another AnimationNode as an
     124             :         deactivating listener, which gets notified via a
     125             :         notifyDeactivating() call. The node calls all
     126             :         registered listener, when it leaves the ACTIVE state.
     127             : 
     128             :         @param rNotifee AnimationNode to notify
     129             :     */
     130             :     virtual bool registerDeactivatingListener(
     131             :         const ::boost::shared_ptr< AnimationNode >& rNotifee ) = 0;
     132             : 
     133             :     /** Called to notify another AnimationNode's deactivation
     134             : 
     135             :         @param rNotifier The instance who calls this method.
     136             :     */
     137             :     virtual void notifyDeactivating(
     138             :         const ::boost::shared_ptr< AnimationNode >& rNotifier ) = 0;
     139             : 
     140             :     /** Query node whether it has an animation pending.
     141             : 
     142             :         @return true, if this node (or at least one of its children)
     143             :         has an animation pending. Used to determine if the main
     144             :         sequence is actually empty, or contains effects
     145             :     */
     146             :     virtual bool hasPendingAnimation() const = 0;
     147             : };
     148             : 
     149             : typedef ::boost::shared_ptr< AnimationNode > AnimationNodeSharedPtr;
     150             : 
     151             : } // namespace internal
     152             : } // namespace presentation
     153             : 
     154             : #endif // INCLUDED_SLIDESHOW_SOURCE_INC_ANIMATIONNODE_HXX
     155             : 
     156             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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