blob: 2e88ab54c670e6232fd90623abbb2f4df920dcd6 [file] [log] [blame]
// 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/input/browser_controls_offset_manager.h"
#include <algorithm>
#include <cmath>
#include <memory>
#include "base/logging.h"
#include "base/time/time.h"
#include "cc/input/browser_controls_offset_manager_client.h"
#include "cc/layers/layer_impl.h"
#include "cc/test/fake_impl_task_runner_provider.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/test_task_graph_runner.h"
#include "cc/trees/layer_tree_impl.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/vector2d_f.h"
namespace cc {
namespace {
class MockBrowserControlsOffsetManagerClient
: public BrowserControlsOffsetManagerClient {
public:
MockBrowserControlsOffsetManagerClient(float top_controls_height,
float browser_controls_show_threshold,
float browser_controls_hide_threshold)
: host_impl_(&task_runner_provider_,
&task_graph_runner_),
redraw_needed_(false),
update_draw_properties_needed_(false),
bottom_controls_height_(0.f),
top_controls_shown_ratio_(1.f),
top_controls_height_(top_controls_height),
browser_controls_show_threshold_(browser_controls_show_threshold),
browser_controls_hide_threshold_(browser_controls_hide_threshold) {
active_tree_ = std::make_unique<LayerTreeImpl>(
&host_impl_, new SyncedProperty<ScaleGroup>, new SyncedBrowserControls,
new SyncedElasticOverscroll);
root_scroll_layer_ = LayerImpl::Create(active_tree_.get(), 1);
}
~MockBrowserControlsOffsetManagerClient() override = default;
void DidChangeBrowserControlsPosition() override {
redraw_needed_ = true;
update_draw_properties_needed_ = true;
}
bool HaveRootScrollNode() const override { return true; }
float BottomControlsHeight() const override {
return bottom_controls_height_;
}
float TopControlsHeight() const override { return top_controls_height_; }
void SetCurrentBrowserControlsShownRatio(float ratio) override {
ASSERT_FALSE(std::isnan(ratio));
ASSERT_FALSE(ratio == std::numeric_limits<float>::infinity());
ASSERT_FALSE(ratio == -std::numeric_limits<float>::infinity());
ratio = std::max(ratio, 0.f);
ratio = std::min(ratio, 1.f);
top_controls_shown_ratio_ = ratio;
}
float CurrentBrowserControlsShownRatio() const override {
return top_controls_shown_ratio_;
}
LayerImpl* rootScrollLayer() { return root_scroll_layer_.get(); }
BrowserControlsOffsetManager* manager() {
if (!manager_) {
manager_ = BrowserControlsOffsetManager::Create(
this, browser_controls_show_threshold_,
browser_controls_hide_threshold_);
}
return manager_.get();
}
void SetBrowserControlsHeight(float height) { top_controls_height_ = height; }
void SetBottomControlsHeight(float height) {
bottom_controls_height_ = height;
}
private:
FakeImplTaskRunnerProvider task_runner_provider_;
TestTaskGraphRunner task_graph_runner_;
FakeLayerTreeHostImpl host_impl_;
std::unique_ptr<LayerTreeImpl> active_tree_;
std::unique_ptr<LayerImpl> root_scroll_layer_;
std::unique_ptr<BrowserControlsOffsetManager> manager_;
bool redraw_needed_;
bool update_draw_properties_needed_;
float bottom_controls_height_;
float top_controls_shown_ratio_;
float top_controls_height_;
float browser_controls_show_threshold_;
float browser_controls_hide_threshold_;
};
TEST(BrowserControlsOffsetManagerTest, EnsureScrollThresholdApplied) {
MockBrowserControlsOffsetManagerClient client(100.f, 0.5f, 0.5f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBegin();
// Scroll down to hide the controls entirely.
manager->ScrollBy(gfx::Vector2dF(0.f, 30.f));
EXPECT_FLOAT_EQ(-30.f, manager->ControlsTopOffset());
manager->ScrollBy(gfx::Vector2dF(0.f, 30.f));
EXPECT_FLOAT_EQ(-60.f, manager->ControlsTopOffset());
manager->ScrollBy(gfx::Vector2dF(0.f, 100.f));
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
// Scroll back up a bit and ensure the controls don't move until we cross
// the threshold.
manager->ScrollBy(gfx::Vector2dF(0.f, -10.f));
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
manager->ScrollBy(gfx::Vector2dF(0.f, -50.f));
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
// After hitting the threshold, further scrolling up should result in the top
// controls showing.
manager->ScrollBy(gfx::Vector2dF(0.f, -10.f));
EXPECT_FLOAT_EQ(-90.f, manager->ControlsTopOffset());
manager->ScrollBy(gfx::Vector2dF(0.f, -50.f));
EXPECT_FLOAT_EQ(-40.f, manager->ControlsTopOffset());
// Reset the scroll threshold by going further up the page than the initial
// threshold.
manager->ScrollBy(gfx::Vector2dF(0.f, -100.f));
EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
// See that scrolling down the page now will result in the controls hiding.
manager->ScrollBy(gfx::Vector2dF(0.f, 20.f));
EXPECT_FLOAT_EQ(-20.f, manager->ControlsTopOffset());
manager->ScrollEnd();
}
TEST(BrowserControlsOffsetManagerTest, PartialShownHideAnimation) {
MockBrowserControlsOffsetManagerClient client(100.f, 0.5f, 0.5f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, 300.f));
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
manager->ScrollEnd();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, -15.f));
EXPECT_FLOAT_EQ(-85.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(15.f, manager->ContentTopOffset());
manager->ScrollEnd();
EXPECT_TRUE(manager->has_animation());
base::TimeTicks time = base::TimeTicks::Now();
float previous;
while (manager->has_animation()) {
previous = manager->TopControlsShownRatio();
time = base::TimeDelta::FromMicroseconds(100) + time;
manager->Animate(time);
EXPECT_LT(manager->TopControlsShownRatio(), previous);
}
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
}
TEST(BrowserControlsOffsetManagerTest,
BottomControlsPartialShownHideAnimation) {
MockBrowserControlsOffsetManagerClient client(0.f, 0.5f, 0.5f);
client.SetBottomControlsHeight(100.f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, 300.f));
EXPECT_FLOAT_EQ(0.f, manager->BottomControlsShownRatio());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
manager->ScrollEnd();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, -20.f));
EXPECT_FLOAT_EQ(0.2f, manager->BottomControlsShownRatio());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
manager->ScrollEnd();
EXPECT_TRUE(manager->has_animation());
base::TimeTicks time = base::TimeTicks::Now();
float previous;
while (manager->has_animation()) {
previous = manager->BottomControlsShownRatio();
time = base::TimeDelta::FromMicroseconds(100) + time;
manager->Animate(time);
EXPECT_LT(manager->BottomControlsShownRatio(), previous);
}
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(0.f, manager->BottomControlsShownRatio());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
}
TEST(BrowserControlsOffsetManagerTest, PartialShownShowAnimation) {
MockBrowserControlsOffsetManagerClient client(100.f, 0.5f, 0.5f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, 300.f));
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
manager->ScrollEnd();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, -70.f));
EXPECT_FLOAT_EQ(-30.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(70.f, manager->ContentTopOffset());
manager->ScrollEnd();
EXPECT_TRUE(manager->has_animation());
base::TimeTicks time = base::TimeTicks::Now();
float previous;
while (manager->has_animation()) {
previous = manager->TopControlsShownRatio();
time = base::TimeDelta::FromMicroseconds(100) + time;
manager->Animate(time);
EXPECT_GT(manager->TopControlsShownRatio(), previous);
}
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(100.f, manager->ContentTopOffset());
}
TEST(BrowserControlsOffsetManagerTest,
BottomControlsPartialShownShowAnimation) {
MockBrowserControlsOffsetManagerClient client(0.f, 0.5f, 0.5f);
client.SetBottomControlsHeight(100.f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, 20.f));
EXPECT_FLOAT_EQ(0.8f, manager->BottomControlsShownRatio());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
manager->ScrollEnd();
EXPECT_TRUE(manager->has_animation());
base::TimeTicks time = base::TimeTicks::Now();
float previous;
while (manager->has_animation()) {
previous = manager->BottomControlsShownRatio();
time = base::TimeDelta::FromMicroseconds(100) + time;
manager->Animate(time);
EXPECT_GT(manager->BottomControlsShownRatio(), previous);
}
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(1.f, manager->BottomControlsShownRatio());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
}
TEST(BrowserControlsOffsetManagerTest,
PartialHiddenWithAmbiguousThresholdShows) {
MockBrowserControlsOffsetManagerClient client(100.f, 0.25f, 0.25f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, 20.f));
EXPECT_FLOAT_EQ(-20.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(80.f, manager->ContentTopOffset());
manager->ScrollEnd();
EXPECT_TRUE(manager->has_animation());
base::TimeTicks time = base::TimeTicks::Now();
float previous;
while (manager->has_animation()) {
previous = manager->TopControlsShownRatio();
time = base::TimeDelta::FromMicroseconds(100) + time;
manager->Animate(time);
EXPECT_GT(manager->TopControlsShownRatio(), previous);
}
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(100.f, manager->ContentTopOffset());
}
TEST(BrowserControlsOffsetManagerTest,
PartialHiddenWithAmbiguousThresholdHides) {
MockBrowserControlsOffsetManagerClient client(100.f, 0.25f, 0.25f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, 30.f));
EXPECT_FLOAT_EQ(-30.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(70.f, manager->ContentTopOffset());
manager->ScrollEnd();
EXPECT_TRUE(manager->has_animation());
base::TimeTicks time = base::TimeTicks::Now();
float previous;
while (manager->has_animation()) {
previous = manager->TopControlsShownRatio();
time = base::TimeDelta::FromMicroseconds(100) + time;
manager->Animate(time);
EXPECT_LT(manager->TopControlsShownRatio(), previous);
}
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
}
TEST(BrowserControlsOffsetManagerTest,
PartialShownWithAmbiguousThresholdHides) {
MockBrowserControlsOffsetManagerClient client(100.f, 0.25f, 0.25f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBy(gfx::Vector2dF(0.f, 200.f));
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, -20.f));
EXPECT_FLOAT_EQ(-80.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(20.f, manager->ContentTopOffset());
manager->ScrollEnd();
EXPECT_TRUE(manager->has_animation());
base::TimeTicks time = base::TimeTicks::Now();
float previous;
while (manager->has_animation()) {
previous = manager->TopControlsShownRatio();
time = base::TimeDelta::FromMicroseconds(100) + time;
manager->Animate(time);
EXPECT_LT(manager->TopControlsShownRatio(), previous);
}
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
}
TEST(BrowserControlsOffsetManagerTest,
PartialShownWithAmbiguousThresholdShows) {
MockBrowserControlsOffsetManagerClient client(100.f, 0.25f, 0.25f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBy(gfx::Vector2dF(0.f, 200.f));
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, -30.f));
EXPECT_FLOAT_EQ(-70.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(30.f, manager->ContentTopOffset());
manager->ScrollEnd();
EXPECT_TRUE(manager->has_animation());
base::TimeTicks time = base::TimeTicks::Now();
float previous;
while (manager->has_animation()) {
previous = manager->TopControlsShownRatio();
time = base::TimeDelta::FromMicroseconds(100) + time;
manager->Animate(time);
EXPECT_GT(manager->TopControlsShownRatio(), previous);
}
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(100.f, manager->ContentTopOffset());
}
TEST(BrowserControlsOffsetManagerTest, PinchIgnoresScroll) {
MockBrowserControlsOffsetManagerClient client(100.f, 0.5f, 0.5f);
BrowserControlsOffsetManager* manager = client.manager();
// Hide the controls.
manager->ScrollBegin();
EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
manager->ScrollBy(gfx::Vector2dF(0.f, 300.f));
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
manager->PinchBegin();
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
// Scrolls are ignored during pinch.
manager->ScrollBy(gfx::Vector2dF(0.f, -15.f));
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
manager->PinchEnd();
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
// Scrolls should no long be ignored.
manager->ScrollBy(gfx::Vector2dF(0.f, -15.f));
EXPECT_FLOAT_EQ(-85.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(15.f, manager->ContentTopOffset());
manager->ScrollEnd();
EXPECT_TRUE(manager->has_animation());
}
TEST(BrowserControlsOffsetManagerTest, PinchBeginStartsAnimationIfNecessary) {
MockBrowserControlsOffsetManagerClient client(100.f, 0.5f, 0.5f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, 300.f));
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
manager->PinchBegin();
EXPECT_FALSE(manager->has_animation());
manager->PinchEnd();
EXPECT_FALSE(manager->has_animation());
manager->ScrollBy(gfx::Vector2dF(0.f, -15.f));
EXPECT_FLOAT_EQ(-85.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(15.f, manager->ContentTopOffset());
manager->PinchBegin();
EXPECT_TRUE(manager->has_animation());
base::TimeTicks time = base::TimeTicks::Now();
float previous;
while (manager->has_animation()) {
previous = manager->TopControlsShownRatio();
time = base::TimeDelta::FromMicroseconds(100) + time;
manager->Animate(time);
EXPECT_LT(manager->TopControlsShownRatio(), previous);
}
EXPECT_FALSE(manager->has_animation());
manager->PinchEnd();
EXPECT_FALSE(manager->has_animation());
manager->ScrollBy(gfx::Vector2dF(0.f, -55.f));
EXPECT_FLOAT_EQ(-45.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(55.f, manager->ContentTopOffset());
EXPECT_FALSE(manager->has_animation());
manager->ScrollEnd();
EXPECT_TRUE(manager->has_animation());
time = base::TimeTicks::Now();
while (manager->has_animation()) {
previous = manager->TopControlsShownRatio();
time = base::TimeDelta::FromMicroseconds(100) + time;
manager->Animate(time);
EXPECT_GT(manager->TopControlsShownRatio(), previous);
}
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
}
TEST(BrowserControlsOffsetManagerTest,
HeightChangeMaintainsFullyVisibleControls) {
MockBrowserControlsOffsetManagerClient client(0.f, 0.5f, 0.5f);
BrowserControlsOffsetManager* manager = client.manager();
EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
client.SetBrowserControlsHeight(100.f);
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(100.f, manager->TopControlsHeight());
EXPECT_FLOAT_EQ(0, manager->ControlsTopOffset());
client.SetBrowserControlsHeight(50.f);
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(50.f, manager->TopControlsHeight());
EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
}
TEST(BrowserControlsOffsetManagerTest,
ShrinkingHeightKeepsBrowserControlsHidden) {
MockBrowserControlsOffsetManagerClient client(100.f, 0.5f, 0.5f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, 300.f));
EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
manager->ScrollEnd();
client.SetBrowserControlsHeight(50.f);
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(-50.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
client.SetBrowserControlsHeight(0.f);
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
}
TEST(BrowserControlsOffsetManagerTest, ScrollByWithZeroHeightControlsIsNoop) {
MockBrowserControlsOffsetManagerClient client(0.f, 0.5f, 0.5f);
BrowserControlsOffsetManager* manager = client.manager();
manager->UpdateBrowserControlsState(BOTH, BOTH, false);
manager->ScrollBegin();
gfx::Vector2dF pending = manager->ScrollBy(gfx::Vector2dF(0.f, 20.f));
EXPECT_FLOAT_EQ(20.f, pending.y());
EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
EXPECT_FLOAT_EQ(1.f, client.CurrentBrowserControlsShownRatio());
manager->ScrollEnd();
}
TEST(BrowserControlsOffsetManagerTest, ScrollThenRestoreBottomControls) {
MockBrowserControlsOffsetManagerClient client(100.f, 0.5f, 0.5f);
client.SetBottomControlsHeight(100.f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, 20.f));
EXPECT_FLOAT_EQ(80.f, manager->ContentBottomOffset());
EXPECT_FLOAT_EQ(0.8f, manager->BottomControlsShownRatio());
manager->ScrollEnd();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, -200.f));
EXPECT_FLOAT_EQ(100.f, manager->ContentBottomOffset());
EXPECT_FLOAT_EQ(1.f, manager->BottomControlsShownRatio());
manager->ScrollEnd();
}
TEST(BrowserControlsOffsetManagerTest,
ScrollThenRestoreBottomControlsNoTopControls) {
MockBrowserControlsOffsetManagerClient client(0.f, 0.5f, 0.5f);
client.SetBottomControlsHeight(100.f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, 20.f));
EXPECT_FLOAT_EQ(80.f, manager->ContentBottomOffset());
EXPECT_FLOAT_EQ(0.8f, manager->BottomControlsShownRatio());
manager->ScrollEnd();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, -200.f));
EXPECT_FLOAT_EQ(100.f, manager->ContentBottomOffset());
EXPECT_FLOAT_EQ(1.f, manager->BottomControlsShownRatio());
manager->ScrollEnd();
}
TEST(BrowserControlsOffsetManagerTest, HideAndPeekBottomControls) {
MockBrowserControlsOffsetManagerClient client(100.f, 0.5f, 0.5f);
client.SetBottomControlsHeight(100.f);
BrowserControlsOffsetManager* manager = client.manager();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, 300.f));
EXPECT_FLOAT_EQ(0.f, manager->ContentBottomOffset());
EXPECT_FLOAT_EQ(0.f, manager->BottomControlsShownRatio());
manager->ScrollEnd();
manager->ScrollBegin();
manager->ScrollBy(gfx::Vector2dF(0.f, -15.f));
EXPECT_FLOAT_EQ(15.f, manager->ContentBottomOffset());
EXPECT_FLOAT_EQ(0.15f, manager->BottomControlsShownRatio());
manager->ScrollEnd();
}
TEST(BrowserControlsOffsetManagerTest,
HideAndImmediateShowKeepsControlsVisible) {
MockBrowserControlsOffsetManagerClient client(100.f, 0.5f, 0.5f);
client.SetBottomControlsHeight(100.f);
BrowserControlsOffsetManager* manager = client.manager();
EXPECT_FLOAT_EQ(1.f, client.CurrentBrowserControlsShownRatio());
manager->UpdateBrowserControlsState(BOTH, HIDDEN, true);
EXPECT_TRUE(manager->has_animation());
EXPECT_FLOAT_EQ(1.f, client.CurrentBrowserControlsShownRatio());
manager->UpdateBrowserControlsState(BOTH, SHOWN, true);
EXPECT_FALSE(manager->has_animation());
EXPECT_FLOAT_EQ(1.f, client.CurrentBrowserControlsShownRatio());
}
} // namespace
} // namespace cc