122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <delayevent.hxx>
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#include <eventqueue.hxx>
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#include <usereventqueue.hxx>
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#include "sequentialtimecontainer.hxx"
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namespace slideshow::internal {
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void SequentialTimeContainer::activate_st()
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{
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// resolve first possible child, ignore
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for ( ; mnFinishedChildren < maChildren.size(); ++mnFinishedChildren ) {
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if (resolveChild( maChildren[mnFinishedChildren] ))
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break;
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else {
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// node still UNRESOLVED, no need to deactivate or end...
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OSL_FAIL( "### resolving child failed!" );
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}
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}
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if (isDurationIndefinite() &&
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(maChildren.empty() || mnFinishedChildren >= maChildren.size()))
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{
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// deactivate ASAP:
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auto self(getSelf());
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scheduleDeactivationEvent(
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makeEvent( [self=std::move(self)] () { self->deactivate(); },
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u"SequentialTimeContainer::deactivate"_ustr) );
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}
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else // use default
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scheduleDeactivationEvent();
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}
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void SequentialTimeContainer::dispose()
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{
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BaseContainerNode::dispose();
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if (mpCurrentSkipEvent) {
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mpCurrentSkipEvent->dispose();
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mpCurrentSkipEvent.reset();
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}
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}
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void SequentialTimeContainer::skipEffect(
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AnimationNodeSharedPtr const& pChildNode )
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{
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if (isChildNode(pChildNode)) {
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// empty all events ignoring timings => until next effect
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getContext().mrEventQueue.forceEmpty();
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getContext().mrEventQueue.addEvent(
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makeEvent( [pChildNode] () { pChildNode->deactivate(); },
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u"SequentialTimeContainer::deactivate, skipEffect with delay"_ustr) );
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}
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else
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OSL_FAIL( "unknown notifier!" );
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}
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bool SequentialTimeContainer::resolveChild(
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AnimationNodeSharedPtr const& pChildNode )
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{
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bool const bResolved = pChildNode->resolve();
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if (bResolved && isMainSequenceRootNode()) {
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// discharge events:
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if (mpCurrentSkipEvent)
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mpCurrentSkipEvent->dispose();
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// event that will deactivate the resolved/running child:
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mpCurrentSkipEvent = makeEvent(
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std::bind( &SequentialTimeContainer::skipEffect,
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std::dynamic_pointer_cast<SequentialTimeContainer>( getSelf() ),
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pChildNode ),
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u"SequentialTimeContainer::skipEffect, resolveChild"_ustr);
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// deactivate child node when skip event occurs:
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getContext().mrUserEventQueue.registerSkipEffectEvent(
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mpCurrentSkipEvent,
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mnFinishedChildren+1<maChildren.size());
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}
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return bResolved;
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}
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void SequentialTimeContainer::notifyDeactivating(
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AnimationNodeSharedPtr const& rNotifier )
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{
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if (notifyDeactivatedChild( rNotifier ))
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return;
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OSL_ASSERT( mnFinishedChildren < maChildren.size() );
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AnimationNodeSharedPtr const& pNextChild = maChildren[mnFinishedChildren];
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OSL_ASSERT( pNextChild->getState() == UNRESOLVED );
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if (! resolveChild( pNextChild )) {
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// could not resolve child - since we risk to
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// stall the chain of events here, play it safe
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// and deactivate this node (only if we have
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// indefinite duration - otherwise, we'll get a
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// deactivation event, anyways).
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deactivate();
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}
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}
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} // namespace slideshow::internal
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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