Remove Animations and Transitions.

sky/engine/core/animation/AnimationTimeline.cpp

-/*
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "sky/engine/core/animation/AnimationTimeline.h"
-
-#include "sky/engine/core/animation/ActiveAnimations.h"
-#include "sky/engine/core/animation/AnimationClock.h"
-#include "sky/engine/core/dom/Document.h"
-#include "sky/engine/core/frame/FrameView.h"
-#include "sky/engine/core/page/Page.h"
-#include "sky/engine/platform/TraceEvent.h"
-
-namespace blink {
-
-namespace {
-
-bool compareAnimationPlayers(const RefPtr<blink::AnimationPlayer>& left, const RefPtr<blink::AnimationPlayer>& right)
-{
-    return AnimationPlayer::hasLowerPriority(left.get(), right.get());
-}
-
-}
-
-// This value represents 1 frame at 30Hz plus a little bit of wiggle room.
-// TODO: Plumb a nominal framerate through and derive this value from that.
-const double AnimationTimeline::s_minimumDelay = 0.04;
-
-
-PassRefPtr<AnimationTimeline> AnimationTimeline::create(Document* document, PassOwnPtr<PlatformTiming> timing)
-{
-    return adoptRef(new AnimationTimeline(document, timing));
-}
-
-AnimationTimeline::AnimationTimeline(Document* document, PassOwnPtr<PlatformTiming> timing)
-    : m_document(document)
-{
-    if (!timing)
-        m_timing = adoptPtr(new AnimationTimelineTiming(this));
-    else
-        m_timing = timing;
-
-    ASSERT(document);
-}
-
-AnimationTimeline::~AnimationTimeline()
-{
-#if !ENABLE(OILPAN)
-    for (HashSet<RawPtr<AnimationPlayer> >::iterator it = m_players.begin(); it != m_players.end(); ++it)
-        (*it)->timelineDestroyed();
-#endif
-}
-
-AnimationPlayer* AnimationTimeline::createAnimationPlayer(AnimationNode* child)
-{
-    RefPtr<AnimationPlayer> player = AnimationPlayer::create(m_document->contextDocument().get(), *this, child);
-    AnimationPlayer* result = player.get();
-    m_players.add(result);
-    setOutdatedAnimationPlayer(result);
-    return result;
-}
-
-AnimationPlayer* AnimationTimeline::play(AnimationNode* child)
-{
-    if (!m_document)
-        return 0;
-    AnimationPlayer* player = createAnimationPlayer(child);
-    return player;
-}
-
-Vector<RefPtr<AnimationPlayer> > AnimationTimeline::getAnimationPlayers()
-{
-    Vector<RefPtr<AnimationPlayer> > animationPlayers;
-    for (HashSet<RawPtr<AnimationPlayer> >::iterator it = m_players.begin(); it != m_players.end(); ++it) {
-        if ((*it)->source() && (*it)->source()->isCurrent()) {
-            animationPlayers.append(*it);
-        }
-    }
-    std::sort(animationPlayers.begin(), animationPlayers.end(), compareAnimationPlayers);
-    return animationPlayers;
-}
-
-void AnimationTimeline::wake()
-{
-    m_timing->serviceOnNextFrame();
-}
-
-void AnimationTimeline::serviceAnimations(TimingUpdateReason reason)
-{
-    TRACE_EVENT0("blink", "AnimationTimeline::serviceAnimations");
-
-    m_timing->cancelWake();
-
-    double timeToNextEffect = std::numeric_limits<double>::infinity();
-
-    Vector<RawPtr<AnimationPlayer> > players;
-    players.reserveInitialCapacity(m_playersNeedingUpdate.size());
-    for (HashSet<RefPtr<AnimationPlayer> >::iterator it = m_playersNeedingUpdate.begin(); it != m_playersNeedingUpdate.end(); ++it)
-        players.append(it->get());
-
-    std::sort(players.begin(), players.end(), AnimationPlayer::hasLowerPriority);
-
-    for (size_t i = 0; i < players.size(); ++i) {
-        AnimationPlayer* player = players[i];
-        if (player->update(reason))
-            timeToNextEffect = std::min(timeToNextEffect, player->timeToEffectChange());
-        else
-            m_playersNeedingUpdate.remove(player);
-    }
-
-    if (timeToNextEffect < s_minimumDelay)
-        m_timing->serviceOnNextFrame();
-    else if (timeToNextEffect != std::numeric_limits<double>::infinity())
-        m_timing->wakeAfter(timeToNextEffect - s_minimumDelay);
-
-    ASSERT(!hasOutdatedAnimationPlayer());
-}
-
-void AnimationTimeline::AnimationTimelineTiming::wakeAfter(double duration)
-{
-    m_timer.startOneShot(duration, FROM_HERE);
-}
-
-void AnimationTimeline::AnimationTimelineTiming::cancelWake()
-{
-    m_timer.stop();
-}
-
-void AnimationTimeline::AnimationTimelineTiming::serviceOnNextFrame()
-{
-    if (m_timeline->m_document)
-        m_timeline->m_document->page()->scheduleVisualUpdate();
-}
-
-double AnimationTimeline::currentTime(bool& isNull)
-{
-    return currentTimeInternal(isNull) * 1000;
-}
-
-double AnimationTimeline::currentTimeInternal(bool& isNull)
-{
-    if (!m_document) {
-        isNull = true;
-        return std::numeric_limits<double>::quiet_NaN();
-    }
-    double result = m_document->animationClock().currentTime() - zeroTime();
-    isNull = std::isnan(result);
-    return result;
-}
-
-double AnimationTimeline::currentTime()
-{
-    return currentTimeInternal() * 1000;
-}
-
-double AnimationTimeline::currentTimeInternal()
-{
-    bool isNull;
-    return currentTimeInternal(isNull);
-}
-
-double AnimationTimeline::effectiveTime()
-{
-    double time = currentTimeInternal();
-    return std::isnan(time) ? 0 : time;
-}
-
-bool AnimationTimeline::hasOutdatedAnimationPlayer() const
-{
-    for (HashSet<RefPtr<AnimationPlayer> >::iterator it = m_playersNeedingUpdate.begin(); it != m_playersNeedingUpdate.end(); ++it) {
-        if ((*it)->outdated())
-            return true;
-    }
-    return false;
-}
-
-void AnimationTimeline::setOutdatedAnimationPlayer(AnimationPlayer* player)
-{
-    ASSERT(player->outdated());
-    m_playersNeedingUpdate.add(player);
-    if (m_document && m_document->page() && !m_document->page()->animator().isServicingAnimations())
-        m_timing->serviceOnNextFrame();
-}
-
-#if !ENABLE(OILPAN)
-void AnimationTimeline::detachFromDocument()
-{
-    // FIXME: AnimationTimeline should keep Document alive.
-    m_document = nullptr;
-}
-#endif
-
-} // namespace