Remove Animations and Transitions.

sky/engine/core/animation/Animation.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/Animation.h"
-
-#include "sky/engine/bindings/exception_state.h"
-#include "sky/engine/core/animation/ActiveAnimations.h"
-#include "sky/engine/core/animation/AnimationHelpers.h"
-#include "sky/engine/core/animation/AnimationPlayer.h"
-#include "sky/engine/core/animation/AnimationTimeline.h"
-#include "sky/engine/core/animation/Interpolation.h"
-#include "sky/engine/core/animation/KeyframeEffectModel.h"
-#include "sky/engine/core/dom/Element.h"
-#include "sky/engine/core/rendering/RenderLayer.h"
-
-namespace blink {
-
-PassRefPtr<Animation> Animation::create(Element* target, PassRefPtr<AnimationEffect> effect, const Timing& timing, Priority priority, PassOwnPtr<EventDelegate> eventDelegate)
-{
-    return adoptRef(new Animation(target, effect, timing, priority, eventDelegate));
-}
-
-PassRefPtr<Animation> Animation::create(Element* element, double duration, ExceptionState&)
-{
-    return create(element, PassRefPtr<AnimationEffect>(), TimingInput::convert(duration));
-}
-PassRefPtr<Animation> Animation::create(Element* element, ExceptionState& es)
-{
-    return create(element, 0.0, es);
-}
-
-Animation::Animation(Element* target, PassRefPtr<AnimationEffect> effect, const Timing& timing, Priority priority, PassOwnPtr<EventDelegate> eventDelegate)
-    : AnimationNode(timing, eventDelegate)
-    , m_target(target)
-    , m_effect(effect)
-    , m_sampledEffect(nullptr)
-    , m_priority(priority)
-{
-    if (m_target)
-        m_target->ensureActiveAnimations().addAnimation(this);
-}
-
-Animation::~Animation()
-{
-    if (m_target)
-        m_target->activeAnimations()->notifyAnimationDestroyed(this);
-}
-
-void Animation::attach(AnimationPlayer* player)
-{
-    if (m_target) {
-        m_target->ensureActiveAnimations().players().add(player);
-        m_target->setNeedsAnimationStyleRecalc();
-    }
-    AnimationNode::attach(player);
-}
-
-void Animation::detach()
-{
-    if (m_target)
-        m_target->activeAnimations()->players().remove(player());
-    if (m_sampledEffect)
-        clearEffects();
-    AnimationNode::detach();
-}
-
-void Animation::specifiedTimingChanged()
-{
-    if (player()) {
-        // FIXME: Needs to consider groups when added.
-        ASSERT(player()->source() == this);
-        player()->setPending();
-    }
-}
-
-static AnimationStack& ensureAnimationStack(Element* element)
-{
-    return element->ensureActiveAnimations().defaultStack();
-}
-
-void Animation::applyEffects()
-{
-    ASSERT(isInEffect());
-    ASSERT(player());
-    if (!m_target || !m_effect)
-        return;
-
-    double iteration = currentIteration();
-    ASSERT(iteration >= 0);
-    // FIXME: Handle iteration values which overflow int.
-    OwnPtr<Vector<RefPtr<Interpolation> > > interpolations = m_effect->sample(static_cast<int>(iteration), timeFraction(), iterationDuration());
-    if (m_sampledEffect) {
-        m_sampledEffect->setInterpolations(interpolations.release());
-    } else if (!interpolations->isEmpty()) {
-        OwnPtr<SampledEffect> sampledEffect = SampledEffect::create(this, interpolations.release());
-        m_sampledEffect = sampledEffect.get();
-        ensureAnimationStack(m_target).add(sampledEffect.release());
-    } else {
-        return;
-    }
-
-    m_target->setNeedsAnimationStyleRecalc();
-}
-
-void Animation::clearEffects()
-{
-    ASSERT(player());
-    ASSERT(m_sampledEffect);
-
-    m_sampledEffect->clear();
-    m_sampledEffect = nullptr;
-    m_target->setNeedsAnimationStyleRecalc();
-    invalidate();
-}
-
-void Animation::updateChildrenAndEffects() const
-{
-    if (!m_effect)
-        return;
-    if (isInEffect())
-        const_cast<Animation*>(this)->applyEffects();
-    else if (m_sampledEffect)
-        const_cast<Animation*>(this)->clearEffects();
-}
-
-double Animation::calculateTimeToEffectChange(bool forwards, double localTime, double timeToNextIteration) const
-{
-    const double start = startTimeInternal() + specifiedTiming().startDelay;
-    const double end = start + activeDurationInternal();
-
-    switch (phase()) {
-    case PhaseBefore:
-        ASSERT(start >= localTime);
-        return forwards
-            ? start - localTime
-            : std::numeric_limits<double>::infinity();
-    case PhaseActive:
-        return 0;
-    case PhaseAfter:
-        ASSERT(localTime >= end);
-        // If this Animation is still in effect then it will need to update
-        // when its parent goes out of effect. We have no way of knowing when
-        // that will be, however, so the parent will need to supply it.
-        return forwards
-            ? std::numeric_limits<double>::infinity()
-            : localTime - end;
-    default:
-        ASSERT_NOT_REACHED();
-        return std::numeric_limits<double>::infinity();
-    }
-}
-
-void Animation::notifySampledEffectRemovedFromAnimationStack()
-{
-    ASSERT(m_sampledEffect);
-    m_sampledEffect = nullptr;
-}
-
-void Animation::notifyElementDestroyed()
-{
-    // If our player is kept alive just by the sampledEffect, we might get our
-    // destructor called when we call SampledEffect::clear(), so we need to
-    // clear m_sampledEffect first.
-    m_target = nullptr;
-    clearEventDelegate();
-    SampledEffect* sampledEffect = m_sampledEffect;
-    m_sampledEffect = nullptr;
-    if (sampledEffect)
-        sampledEffect->clear();
-}
-
-} // namespace blink