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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/animation/scrollbar_animation_controller_linear_fade.h"
#include "cc/layers/painted_scrollbar_layer_impl.h"
#include "cc/test/fake_impl_proxy.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
class ScrollbarAnimationControllerLinearFadeTest : public testing::Test {
public:
ScrollbarAnimationControllerLinearFadeTest() : host_impl_(&proxy_) {}
protected:
virtual void SetUp() {
scroll_layer_ = LayerImpl::Create(host_impl_.active_tree(), 1);
scrollbar_layer_ = PaintedScrollbarLayerImpl::Create(
host_impl_.active_tree(), 2, HORIZONTAL);
scroll_layer_->SetMaxScrollOffset(gfx::Vector2d(50, 50));
scroll_layer_->SetBounds(gfx::Size(50, 50));
scroll_layer_->SetHorizontalScrollbarLayer(scrollbar_layer_.get());
scrollbar_controller_ = ScrollbarAnimationControllerLinearFade::Create(
scroll_layer_.get(),
base::TimeDelta::FromSeconds(2),
base::TimeDelta::FromSeconds(3));
}
FakeImplProxy proxy_;
FakeLayerTreeHostImpl host_impl_;
scoped_ptr<ScrollbarAnimationControllerLinearFade> scrollbar_controller_;
scoped_ptr<LayerImpl> scroll_layer_;
scoped_ptr<PaintedScrollbarLayerImpl> scrollbar_layer_;
};
TEST_F(ScrollbarAnimationControllerLinearFadeTest, HiddenInBegin) {
scrollbar_controller_->Animate(base::TimeTicks());
EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
}
TEST_F(ScrollbarAnimationControllerLinearFadeTest,
HiddenAfterNonScrollingGesture) {
scrollbar_controller_->DidScrollGestureBegin();
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
EXPECT_FALSE(scrollbar_controller_->Animate(base::TimeTicks()));
EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
base::TimeTicks time;
time += base::TimeDelta::FromSeconds(100);
EXPECT_FALSE(scrollbar_controller_->Animate(time));
EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
scrollbar_controller_->DidScrollGestureEnd(time);
time += base::TimeDelta::FromSeconds(100);
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
EXPECT_FALSE(scrollbar_controller_->Animate(time));
EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
}
TEST_F(ScrollbarAnimationControllerLinearFadeTest, AwakenByScrollingGesture) {
base::TimeTicks time;
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidScrollGestureBegin();
scrollbar_controller_->Animate(time);
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
scrollbar_controller_->DidScrollUpdate(time);
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(100);
scrollbar_controller_->Animate(time);
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
scrollbar_controller_->DidScrollGestureEnd(time);
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_EQ(2, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidScrollGestureBegin();
scrollbar_controller_->DidScrollUpdate(time);
scrollbar_controller_->DidScrollGestureEnd(time);
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
}
TEST_F(ScrollbarAnimationControllerLinearFadeTest, AwakenByProgrammaticScroll) {
base::TimeTicks time;
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidScrollUpdate(time);
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_EQ(2, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
scrollbar_controller_->DidScrollUpdate(time);
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidScrollUpdate(time);
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
}
TEST_F(ScrollbarAnimationControllerLinearFadeTest,
AnimationPreservedByNonScrollingGesture) {
base::TimeTicks time;
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidScrollUpdate(time);
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(3);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
scrollbar_controller_->DidScrollGestureBegin();
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
scrollbar_controller_->DidScrollGestureEnd(time);
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
EXPECT_FALSE(scrollbar_controller_->Animate(time));
EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
}
TEST_F(ScrollbarAnimationControllerLinearFadeTest,
AnimationOverriddenByScrollingGesture) {
base::TimeTicks time;
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidScrollUpdate(time);
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(3);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
scrollbar_controller_->DidScrollGestureBegin();
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidScrollUpdate(time);
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
EXPECT_FLOAT_EQ(1, scrollbar_layer_->opacity());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidScrollGestureEnd(time);
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_FLOAT_EQ(1, scrollbar_layer_->opacity());
}
} // namespace
} // namespace cc
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