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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/views/controls/theme_tracking_image_view.h"
#include <memory>
#include <utility>
#include "base/functional/bind.h"
#include "components/vector_icons/vector_icons.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/base/models/image_model.h"
#include "ui/color/color_id.h"
#include "ui/color/color_variant.h"
#include "ui/gfx/image/image_unittest_util.h"
#include "ui/views/test/views_test_base.h"
#include "ui/views/widget/widget.h"
namespace views {
namespace {
constexpr int kImageSize = 16;
} // namespace
class ThemeTrackingImageViewTest : public ViewsTestBase {
public:
void SetUp() override {
ViewsTestBase::SetUp();
widget_ = CreateTestWidget(Widget::InitParams::CLIENT_OWNS_WIDGET);
}
void TearDown() override {
widget_.reset();
ViewsTestBase::TearDown();
}
ui::ColorVariant GetSimulatedBackgroundColor() const {
return is_dark_ ? SK_ColorBLACK : SK_ColorWHITE;
}
protected:
bool IsDarkMode() const { return is_dark_; }
void SetIsDarkMode(bool is_dark) {
is_dark_ = is_dark;
if (view()) {
view()->OnThemeChanged();
}
}
void SetView(std::unique_ptr<ThemeTrackingImageView> view) {
widget_->SetContentsView(std::move(view))
->SetBounds(0, 0, kImageSize, kImageSize);
}
ThemeTrackingImageView* view() {
return static_cast<ThemeTrackingImageView*>(widget_->GetContentsView());
}
Widget* widget() { return widget_.get(); }
private:
std::unique_ptr<Widget> widget_;
bool is_dark_ = false;
};
TEST_F(ThemeTrackingImageViewTest, CreateWithImageSkia) {
gfx::ImageSkia light_image =
gfx::test::CreateImageSkia(kImageSize, SK_ColorRED);
gfx::ImageSkia dark_image =
gfx::test::CreateImageSkia(kImageSize, SK_ColorBLUE);
SetView(std::make_unique<ThemeTrackingImageView>(
light_image, dark_image,
base::BindRepeating(
&ThemeTrackingImageViewTest::GetSimulatedBackgroundColor,
base::Unretained(this))));
ASSERT_FALSE(IsDarkMode());
EXPECT_TRUE(gfx::test::AreBitmapsEqual(*view()->GetImage().bitmap(),
*light_image.bitmap()));
SetIsDarkMode(true);
EXPECT_FALSE(gfx::test::AreBitmapsEqual(*view()->GetImage().bitmap(),
*light_image.bitmap()));
EXPECT_TRUE(gfx::test::AreBitmapsEqual(*view()->GetImage().bitmap(),
*dark_image.bitmap()));
}
TEST_F(ThemeTrackingImageViewTest, CreateWithImageModel) {
ui::ImageModel light_model{ui::ImageModel::FromVectorIcon(
vector_icons::kSyncIcon, ui::kColorMenuIcon, kImageSize)};
ui::ImageModel dark_model{ui::ImageModel::FromVectorIcon(
vector_icons::kCallIcon, ui::kColorMenuIcon, kImageSize)};
SetView(std::make_unique<ThemeTrackingImageView>(
light_model, dark_model,
base::BindRepeating(
&ThemeTrackingImageViewTest::GetSimulatedBackgroundColor,
base::Unretained(this))));
ASSERT_FALSE(IsDarkMode());
EXPECT_EQ(view()->GetImageModel(), light_model);
SetIsDarkMode(true);
EXPECT_NE(view()->GetImageModel(), light_model);
EXPECT_EQ(view()->GetImageModel(), dark_model);
}
TEST_F(ThemeTrackingImageViewTest, SetLightImage) {
ui::ImageModel light_model1{ui::ImageModel::FromVectorIcon(
vector_icons::kSyncIcon, ui::kColorMenuIcon, kImageSize)};
ui::ImageModel light_model2{ui::ImageModel::FromVectorIcon(
vector_icons::kUsbIcon, ui::kColorMenuIcon, kImageSize)};
ui::ImageModel dark_model{ui::ImageModel::FromVectorIcon(
vector_icons::kCallIcon, ui::kColorMenuIcon, kImageSize)};
SetView(std::make_unique<ThemeTrackingImageView>(
light_model1, dark_model,
base::BindRepeating(
&ThemeTrackingImageViewTest::GetSimulatedBackgroundColor,
base::Unretained(this))));
ASSERT_FALSE(IsDarkMode());
EXPECT_EQ(view()->GetImageModel(), light_model1);
SetIsDarkMode(true);
view()->SetLightImage(light_model2);
// The image remains the one for dark mode.
EXPECT_EQ(view()->GetImageModel(), dark_model);
// Upon switching, the image is updated.
SetIsDarkMode(false);
EXPECT_EQ(view()->GetImageModel(), light_model2);
// If light mode is currently on, the image is updated immediately.
view()->SetLightImage(light_model1);
EXPECT_EQ(view()->GetImageModel(), light_model1);
}
TEST_F(ThemeTrackingImageViewTest, SetDarkImage) {
ui::ImageModel light_model{ui::ImageModel::FromVectorIcon(
vector_icons::kSyncIcon, ui::kColorMenuIcon, kImageSize)};
ui::ImageModel dark_model1{ui::ImageModel::FromVectorIcon(
vector_icons::kUsbIcon, ui::kColorMenuIcon, kImageSize)};
ui::ImageModel dark_model2{ui::ImageModel::FromVectorIcon(
vector_icons::kCallIcon, ui::kColorMenuIcon, kImageSize)};
SetView(std::make_unique<ThemeTrackingImageView>(
light_model, dark_model1,
base::BindRepeating(
&ThemeTrackingImageViewTest::GetSimulatedBackgroundColor,
base::Unretained(this))));
ASSERT_FALSE(IsDarkMode());
EXPECT_EQ(view()->GetImageModel(), light_model);
SetIsDarkMode(true);
EXPECT_EQ(view()->GetImageModel(), dark_model1);
SetIsDarkMode(false);
view()->SetDarkImage(dark_model2);
EXPECT_EQ(view()->GetImageModel(), light_model);
SetIsDarkMode(true);
EXPECT_EQ(view()->GetImageModel(), dark_model2);
view()->SetDarkImage(dark_model1);
EXPECT_EQ(view()->GetImageModel(), dark_model1);
}
} // namespace views
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