| // 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 |