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// Copyright 2012 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 "cc/test/animation_test_common.h"
#include "cc/animation/keyframed_animation_curve.h"
#include "cc/animation/layer_animation_controller.h"
#include "cc/layers/layer.h"
#include "cc/layers/layer_impl.h"
#include "cc/transform_operations.h"
using cc::Animation;
using cc::AnimationCurve;
using cc::EaseTimingFunction;
using cc::FloatKeyframe;
using cc::KeyframedFloatAnimationCurve;
using cc::KeyframedTransformAnimationCurve;
using cc::TimingFunction;
using cc::TransformKeyframe;
namespace cc {
static int nextAnimationId = 0;
template <class Target>
int addOpacityTransition(Target& target, double duration, float startOpacity, float endOpacity, bool useTimingFunction)
{
scoped_ptr<KeyframedFloatAnimationCurve> curve(KeyframedFloatAnimationCurve::Create());
scoped_ptr<TimingFunction> func;
if (!useTimingFunction)
func = EaseTimingFunction::create();
if (duration > 0)
curve->AddKeyframe(FloatKeyframe::Create(0, startOpacity, func.Pass()));
curve->AddKeyframe(FloatKeyframe::Create(duration, endOpacity, scoped_ptr<cc::TimingFunction>()));
int id = nextAnimationId++;
scoped_ptr<Animation> animation(Animation::Create(curve.PassAs<AnimationCurve>(), id, 0, Animation::Opacity));
animation->set_needs_synchronized_start_time(true);
target.AddAnimation(animation.Pass());
return id;
}
template <class Target>
int addAnimatedTransform(Target& target, double duration, int deltaX, int deltaY)
{
scoped_ptr<KeyframedTransformAnimationCurve> curve(KeyframedTransformAnimationCurve::Create());
if (duration > 0) {
TransformOperations startOperations;
startOperations.AppendTranslate(deltaX, deltaY, 0);
curve->AddKeyframe(TransformKeyframe::Create(0, startOperations, scoped_ptr<cc::TimingFunction>()));
}
TransformOperations operations;
operations.AppendTranslate(deltaX, deltaY, 0);
curve->AddKeyframe(TransformKeyframe::Create(duration, operations, scoped_ptr<cc::TimingFunction>()));
int id = nextAnimationId++;
scoped_ptr<Animation> animation(Animation::Create(curve.PassAs<AnimationCurve>(), id, 0, Animation::Transform));
animation->set_needs_synchronized_start_time(true);
target.AddAnimation(animation.Pass());
return id;
}
FakeFloatAnimationCurve::FakeFloatAnimationCurve()
: m_duration(1)
{
}
FakeFloatAnimationCurve::FakeFloatAnimationCurve(double duration)
: m_duration(duration)
{
}
FakeFloatAnimationCurve::~FakeFloatAnimationCurve()
{
}
double FakeFloatAnimationCurve::Duration() const
{
return m_duration;
}
float FakeFloatAnimationCurve::GetValue(double now) const
{
return 0;
}
scoped_ptr<cc::AnimationCurve> FakeFloatAnimationCurve::Clone() const
{
return make_scoped_ptr(new FakeFloatAnimationCurve).PassAs<cc::AnimationCurve>();
}
FakeTransformTransition::FakeTransformTransition(double duration)
: m_duration(duration)
{
}
FakeTransformTransition::~FakeTransformTransition()
{
}
double FakeTransformTransition::Duration() const
{
return m_duration;
}
gfx::Transform FakeTransformTransition::GetValue(double time) const
{
return gfx::Transform();
}
scoped_ptr<cc::AnimationCurve> FakeTransformTransition::Clone() const
{
return make_scoped_ptr(new FakeTransformTransition(*this)).PassAs<cc::AnimationCurve>();
}
FakeFloatTransition::FakeFloatTransition(double duration, float from, float to)
: m_duration(duration)
, m_from(from)
, m_to(to)
{
}
FakeFloatTransition::~FakeFloatTransition()
{
}
double FakeFloatTransition::Duration() const
{
return m_duration;
}
float FakeFloatTransition::GetValue(double time) const
{
time /= m_duration;
if (time >= 1)
time = 1;
return (1 - time) * m_from + time * m_to;
}
FakeLayerAnimationValueObserver::FakeLayerAnimationValueObserver()
: m_opacity(0)
{
}
FakeLayerAnimationValueObserver::~FakeLayerAnimationValueObserver()
{
}
void FakeLayerAnimationValueObserver::OnOpacityAnimated(float opacity)
{
m_opacity = opacity;
}
void FakeLayerAnimationValueObserver::OnTransformAnimated(const gfx::Transform& transform)
{
m_transform = transform;
}
bool FakeLayerAnimationValueObserver::IsActive() const
{
return true;
}
scoped_ptr<cc::AnimationCurve> FakeFloatTransition::Clone() const
{
return make_scoped_ptr(new FakeFloatTransition(*this)).PassAs<cc::AnimationCurve>();
}
int addOpacityTransitionToController(cc::LayerAnimationController& controller, double duration, float startOpacity, float endOpacity, bool useTimingFunction)
{
return addOpacityTransition(controller, duration, startOpacity, endOpacity, useTimingFunction);
}
int addAnimatedTransformToController(cc::LayerAnimationController& controller, double duration, int deltaX, int deltaY)
{
return addAnimatedTransform(controller, duration, deltaX, deltaY);
}
int addOpacityTransitionToLayer(cc::Layer& layer, double duration, float startOpacity, float endOpacity, bool useTimingFunction)
{
return addOpacityTransition(layer, duration, startOpacity, endOpacity, useTimingFunction);
}
int addOpacityTransitionToLayer(cc::LayerImpl& layer, double duration, float startOpacity, float endOpacity, bool useTimingFunction)
{
return addOpacityTransition(*layer.layer_animation_controller(), duration, startOpacity, endOpacity, useTimingFunction);
}
int addAnimatedTransformToLayer(cc::Layer& layer, double duration, int deltaX, int deltaY)
{
return addAnimatedTransform(layer, duration, deltaX, deltaY);
}
int addAnimatedTransformToLayer(cc::LayerImpl& layer, double duration, int deltaX, int deltaY)
{
return addAnimatedTransform(*layer.layer_animation_controller(), duration, deltaX, deltaY);
}
} // namespace cc
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