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// Copyright 2013 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_thinning.h"
#include "cc/layers/solid_color_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 ScrollbarAnimationControllerThinningTest : public testing::Test {
public:
ScrollbarAnimationControllerThinningTest() : host_impl_(&proxy_) {}
protected:
virtual void SetUp() {
scroll_layer_ = LayerImpl::Create(host_impl_.active_tree(), 1);
const int kId = 2;
const int kThumbThickness = 10;
const bool kIsLeftSideVerticalScrollbar = false;
scrollbar_layer_ = SolidColorScrollbarLayerImpl::Create(
host_impl_.active_tree(), kId, HORIZONTAL, kThumbThickness,
kIsLeftSideVerticalScrollbar);
scroll_layer_->SetMaxScrollOffset(gfx::Vector2d(50, 50));
scroll_layer_->SetBounds(gfx::Size(50, 50));
scroll_layer_->SetHorizontalScrollbarLayer(scrollbar_layer_.get());
scrollbar_controller_ = ScrollbarAnimationControllerThinning::CreateForTest(
scroll_layer_.get(),
base::TimeDelta::FromSeconds(2),
base::TimeDelta::FromSeconds(3));
}
FakeImplProxy proxy_;
FakeLayerTreeHostImpl host_impl_;
scoped_ptr<ScrollbarAnimationControllerThinning> scrollbar_controller_;
scoped_ptr<LayerImpl> scroll_layer_;
scoped_ptr<SolidColorScrollbarLayerImpl> scrollbar_layer_;
};
// Check initialization of scrollbar.
TEST_F(ScrollbarAnimationControllerThinningTest, Idle) {
scrollbar_controller_->Animate(base::TimeTicks());
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
}
// Scroll content. Confirm the scrollbar gets dark and then becomes light
// after stopping.
TEST_F(ScrollbarAnimationControllerThinningTest, AwakenByProgrammaticScroll) {
base::TimeTicks time;
time += base::TimeDelta::FromSeconds(1);
EXPECT_TRUE(scrollbar_controller_->DidScrollUpdate(time));
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_EQ(2, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
// Scrollbar doesn't change size if triggered by scroll.
EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
EXPECT_EQ(1, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
// Subsequent scroll restarts animation.
EXPECT_TRUE(scrollbar_controller_->DidScrollUpdate(time));
EXPECT_EQ(2, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
time += base::TimeDelta::FromSeconds(1);
EXPECT_EQ(1, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
EXPECT_EQ(0, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
}
// Initiate a scroll when the pointer is already near the scrollbar. It should
// remain thick.
TEST_F(ScrollbarAnimationControllerThinningTest, ScrollWithMouseNear) {
base::TimeTicks time;
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidMouseMoveNear(time, 1);
time += base::TimeDelta::FromSeconds(3);
scrollbar_controller_->Animate(time);
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
EXPECT_TRUE(scrollbar_controller_->DidScrollUpdate(time));
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_EQ(2, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
// Scrollbar should still be thick.
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(5);
scrollbar_controller_->Animate(time);
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
}
// Move the pointer near the scrollbar. Confirm it gets thick and narrow when
// moved away.
TEST_F(ScrollbarAnimationControllerThinningTest, MouseNear) {
base::TimeTicks time;
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidMouseMoveNear(time, 1);
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_EQ(0, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
// Should animate to thickened but not darken.
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.6f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
// Subsequent moves should not change anything.
scrollbar_controller_->DidMouseMoveNear(time, 1);
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
// Now move away from bar.
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidMouseMoveNear(time, 26);
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_EQ(0, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
// Animate to narrow.
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.6f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
}
// Move the pointer over the scrollbar. Make sure it gets thick and dark
// and that it gets thin and light when moved away.
TEST_F(ScrollbarAnimationControllerThinningTest, MouseOver) {
base::TimeTicks time;
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidMouseMoveNear(time, 0);
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_EQ(0, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
// Should animate to thickened and darkened.
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.6f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
// Subsequent moves should not change anything.
scrollbar_controller_->DidMouseMoveNear(time, 0);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
// Now move away from bar.
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidMouseMoveNear(time, 26);
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_EQ(0, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
// Animate to narrow.
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.6f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
}
// First move the pointer near the scrollbar, then over it, then back near
// then far away. Confirm that first the bar gets thick, then dark, then light,
// then narrow.
TEST_F(ScrollbarAnimationControllerThinningTest, MouseNearThenOver) {
base::TimeTicks time;
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidMouseMoveNear(time, 1);
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_EQ(0, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
// Should animate to thickened but not darken.
time += base::TimeDelta::FromSeconds(3);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
// Now move over.
scrollbar_controller_->DidMouseMoveNear(time, 0);
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
EXPECT_EQ(0, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
// Should animate to darkened.
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
EXPECT_FALSE(scrollbar_controller_->IsAnimating());
// This is tricky. The DidMouseMoveOffScrollbar() is sent before the
// subsequent DidMouseMoveNear(), if the mouse moves in that direction.
// This results in the thumb thinning. We want to make sure that when the
// thumb starts expanding it doesn't first narrow to the idle thinness.
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->DidMouseMoveOffScrollbar(time);
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity());
EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
scrollbar_controller_->DidMouseMoveNear(time, 1);
// A new animation is kicked off.
EXPECT_TRUE(scrollbar_controller_->IsAnimating());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
// We will initiate the narrowing again, but it won't get decremented until
// the new animation catches up to it.
EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity());
// Now the thickness should be increasing, but it shouldn't happen until the
// animation catches up.
EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity());
// The thickness now gets big again.
EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
time += base::TimeDelta::FromSeconds(1);
scrollbar_controller_->Animate(time);
EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
// The thickness now gets big again.
EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
}
} // namespace
} // namespace cc
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