File: CompositorAnimationPlayer.cpp

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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "platform/animation/CompositorAnimationPlayer.h"

#include "cc/animation/animation_id_provider.h"
#include "cc/animation/animation_timeline.h"
#include "platform/animation/CompositorAnimation.h"
#include "platform/animation/CompositorAnimationDelegate.h"

namespace blink {

CompositorAnimationPlayer::CompositorAnimationPlayer()
    : m_animationPlayer(
          cc::AnimationPlayer::Create(cc::AnimationIdProvider::NextPlayerId())),
      m_delegate() {}

CompositorAnimationPlayer::~CompositorAnimationPlayer() {
  setAnimationDelegate(nullptr);
  // Detach player from timeline, otherwise it stays there (leaks) until
  // compositor shutdown.
  if (m_animationPlayer->animation_timeline())
    m_animationPlayer->animation_timeline()->DetachPlayer(m_animationPlayer);
}

cc::AnimationPlayer* CompositorAnimationPlayer::ccAnimationPlayer() const {
  return m_animationPlayer.get();
}

void CompositorAnimationPlayer::setAnimationDelegate(
    CompositorAnimationDelegate* delegate) {
  m_delegate = delegate;
  m_animationPlayer->set_animation_delegate(delegate ? this : nullptr);
}

void CompositorAnimationPlayer::attachElement(const CompositorElementId& id) {
  m_animationPlayer->AttachElement(id);
}

void CompositorAnimationPlayer::detachElement() {
  m_animationPlayer->DetachElement();
}

bool CompositorAnimationPlayer::isElementAttached() const {
  return !!m_animationPlayer->element_id();
}

void CompositorAnimationPlayer::addAnimation(
    std::unique_ptr<CompositorAnimation> animation) {
  m_animationPlayer->AddAnimation(animation->releaseCcAnimation());
}

void CompositorAnimationPlayer::removeAnimation(int animationId) {
  m_animationPlayer->RemoveAnimation(animationId);
}

void CompositorAnimationPlayer::pauseAnimation(int animationId,
                                               double timeOffset) {
  m_animationPlayer->PauseAnimation(animationId, timeOffset);
}

void CompositorAnimationPlayer::abortAnimation(int animationId) {
  m_animationPlayer->AbortAnimation(animationId);
}

void CompositorAnimationPlayer::NotifyAnimationStarted(
    base::TimeTicks monotonicTime,
    cc::TargetProperty::Type targetProperty,
    int group) {
  if (m_delegate)
    m_delegate->notifyAnimationStarted(
        (monotonicTime - base::TimeTicks()).InSecondsF(), group);
}

void CompositorAnimationPlayer::NotifyAnimationFinished(
    base::TimeTicks monotonicTime,
    cc::TargetProperty::Type targetProperty,
    int group) {
  if (m_delegate)
    m_delegate->notifyAnimationFinished(
        (monotonicTime - base::TimeTicks()).InSecondsF(), group);
}

void CompositorAnimationPlayer::NotifyAnimationAborted(
    base::TimeTicks monotonicTime,
    cc::TargetProperty::Type targetProperty,
    int group) {
  if (m_delegate)
    m_delegate->notifyAnimationAborted(
        (monotonicTime - base::TimeTicks()).InSecondsF(), group);
}

void CompositorAnimationPlayer::NotifyAnimationTakeover(
    base::TimeTicks monotonicTime,
    cc::TargetProperty::Type,
    double animationStartTime,
    std::unique_ptr<cc::AnimationCurve> curve) {
  if (m_delegate) {
    m_delegate->notifyAnimationTakeover(
        (monotonicTime - base::TimeTicks()).InSecondsF(), animationStartTime,
        std::move(curve));
  }
}

}  // namespace blink