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      1 /*
      2  * Copyright (C) 2013 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "core/animation/DocumentTimeline.h"
     33 
     34 #include "core/animation/Player.h"
     35 #include "core/dom/Document.h"
     36 #include "core/page/FrameView.h"
     37 
     38 namespace WebCore {
     39 
     40 PassRefPtr<DocumentTimeline> DocumentTimeline::create(Document* document)
     41 {
     42     return adoptRef(new DocumentTimeline(document));
     43 }
     44 
     45 DocumentTimeline::DocumentTimeline(Document* document)
     46     : m_currentTime(nullValue())
     47     , m_document(document)
     48 {
     49     ASSERT(document);
     50 }
     51 
     52 PassRefPtr<Player> DocumentTimeline::play(TimedItem* child)
     53 {
     54     RefPtr<Player> player = Player::create(this, child);
     55     m_players.append(player);
     56 
     57     if (m_document->view())
     58         m_document->view()->scheduleAnimation();
     59 
     60     return player.release();
     61 }
     62 
     63 void DocumentTimeline::serviceAnimations(double monotonicAnimationStartTime)
     64 {
     65     m_currentTime = monotonicAnimationStartTime;
     66 
     67     for (int i = m_players.size() - 1; i >= 0; --i) {
     68         if (!m_players[i]->update())
     69             m_players.remove(i);
     70     }
     71 
     72     if (m_document->view() && !m_players.isEmpty())
     73         m_document->view()->scheduleAnimation();
     74 
     75     dispatchEvents();
     76 }
     77 
     78 void DocumentTimeline::pauseAnimationsForTesting(double pauseTime)
     79 {
     80     for (size_t i = 0; i < m_players.size(); i++) {
     81         m_players[i]->setPaused(true);
     82         m_players[i]->setCurrentTime(pauseTime);
     83     }
     84 }
     85 
     86 void DocumentTimeline::dispatchEvents()
     87 {
     88     for (size_t i = 0; i < m_events.size(); i++)
     89         m_events[i].target->dispatchEvent(m_events[i].event.release());
     90     m_events.clear();
     91 }
     92 
     93 } // namespace
     94