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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/vr/elements/transient_element.h"
#include <memory>
#include "base/functional/bind.h"
#include "chrome/browser/vr/test/animation_utils.h"
#include "chrome/browser/vr/test/constants.h"
#include "chrome/browser/vr/ui_scene.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/animation/keyframe/test/animation_utils.h"
namespace vr {
namespace {
bool DoBeginFrame(UiElement* element, int time_milliseconds) {
element->set_last_frame_time(gfx::MsToTicks(time_milliseconds));
const bool force_animations_to_completion = false;
return element->DoBeginFrame(kStartHeadPose, force_animations_to_completion);
}
} // namespace
TEST(SimpleTransientElementTest, Visibility) {
SimpleTransientElement element(base::Seconds(2));
element.SetOpacity(0.0f);
EXPECT_EQ(0.0f, element.opacity());
// Enable and disable, making sure the element appears and disappears.
element.SetVisible(true);
EXPECT_EQ(element.opacity_when_visible(), element.opacity());
element.SetVisible(false);
EXPECT_EQ(0.0f, element.opacity());
// Enable, and ensure that the element transiently disappears.
element.SetVisible(true);
EXPECT_FALSE(DoBeginFrame(&element, 0));
EXPECT_FALSE(DoBeginFrame(&element, 10));
EXPECT_EQ(element.opacity_when_visible(), element.opacity());
EXPECT_TRUE(DoBeginFrame(&element, 2010));
EXPECT_EQ(0.0f, element.opacity());
EXPECT_FALSE(DoBeginFrame(&element, 2020));
// Enable, and ensure that the element transiently disappears using
// SetVisibleImmediately.
element.SetVisibleImmediately(true);
EXPECT_FALSE(DoBeginFrame(&element, 2020));
EXPECT_EQ(element.opacity_when_visible(), element.opacity());
EXPECT_TRUE(DoBeginFrame(&element, 4020));
EXPECT_EQ(0.0f, element.opacity());
EXPECT_FALSE(DoBeginFrame(&element, 4030));
element.SetTransitionedProperties({OPACITY});
element.SetVisible(true);
EXPECT_TRUE(DoBeginFrame(&element, 4030));
EXPECT_NE(element.opacity_when_visible(), element.opacity());
element.SetVisibleImmediately(true);
EXPECT_FALSE(DoBeginFrame(&element, 4030));
EXPECT_EQ(element.opacity_when_visible(), element.opacity());
EXPECT_TRUE(DoBeginFrame(&element, 6060));
EXPECT_EQ(0.0f, element.GetTargetOpacity());
}
// Test that refreshing the visibility resets the transience timeout if the
// element is currently visible.
TEST(SimpleTransientElementTest, RefreshVisibility) {
SimpleTransientElement element(base::Seconds(2));
element.SetOpacity(0.0f);
// Enable, and ensure that the element is visible.
element.SetVisible(true);
EXPECT_EQ(element.opacity_when_visible(), element.opacity());
EXPECT_FALSE(DoBeginFrame(&element, 0));
EXPECT_FALSE(DoBeginFrame(&element, 1000));
// Refresh visibility, and ensure that the element still transiently
// disappears, but at a later time.
element.RefreshVisible();
EXPECT_FALSE(DoBeginFrame(&element, 1000));
EXPECT_FALSE(DoBeginFrame(&element, 2000));
EXPECT_EQ(element.opacity_when_visible(), element.opacity());
EXPECT_TRUE(DoBeginFrame(&element, 3000));
EXPECT_EQ(0.0f, element.opacity());
// Refresh visibility, and ensure that disabling hides the element.
element.SetVisible(true);
EXPECT_FALSE(DoBeginFrame(&element, 3000));
EXPECT_EQ(element.opacity_when_visible(), element.opacity());
element.RefreshVisible();
EXPECT_FALSE(DoBeginFrame(&element, 3000));
EXPECT_FALSE(DoBeginFrame(&element, 4000));
EXPECT_EQ(element.opacity_when_visible(), element.opacity());
element.SetVisible(false);
EXPECT_EQ(0.0f, element.opacity());
}
// Test that changing visibility on transient parent has the same effect on its
// children.
// TODO(mthiesse, vollick): Convert this test to use bindings.
TEST(SimpleTransientElementTest, VisibilityChildren) {
UiScene scene;
// Create transient root.
auto transient_element =
std::make_unique<SimpleTransientElement>(base::Seconds(2));
SimpleTransientElement* parent = transient_element.get();
transient_element->set_opacity_when_visible(0.5);
scene.AddUiElement(kRoot, std::move(transient_element));
// Create child.
auto element = std::make_unique<UiElement>();
UiElement* child = element.get();
element->set_opacity_when_visible(0.5);
element->SetVisible(true);
parent->AddChild(std::move(element));
// Child hidden because parent is hidden.
EXPECT_TRUE(scene.OnBeginFrame(gfx::MsToTicks(0), kStartHeadPose));
EXPECT_FALSE(child->IsVisible());
EXPECT_FALSE(parent->IsVisible());
// Setting visiblity on parent should make the child visible.
parent->SetVisible(true);
scene.set_dirty();
EXPECT_TRUE(scene.OnBeginFrame(gfx::MsToTicks(10), kStartHeadPose));
EXPECT_TRUE(child->IsVisible());
EXPECT_TRUE(parent->IsVisible());
// Make sure the elements go away.
EXPECT_TRUE(scene.OnBeginFrame(gfx::MsToTicks(2010), kStartHeadPose));
EXPECT_FALSE(child->IsVisible());
EXPECT_FALSE(parent->IsVisible());
// Test again, but this time manually set the visibility to false.
parent->SetVisible(true);
scene.set_dirty();
EXPECT_TRUE(scene.OnBeginFrame(gfx::MsToTicks(2020), kStartHeadPose));
EXPECT_TRUE(child->IsVisible());
EXPECT_TRUE(parent->IsVisible());
parent->SetVisible(false);
scene.set_dirty();
EXPECT_TRUE(scene.OnBeginFrame(gfx::MsToTicks(2030), kStartHeadPose));
EXPECT_FALSE(child->IsVisible());
EXPECT_FALSE(parent->IsVisible());
}
} // namespace vr
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