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// Copyright 2024 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/ui/views/autofill/popup/lazy_loading_image_view.h"
#include "base/functional/callback_helpers.h"
#include "base/test/mock_callback.h"
#include "chrome/app/vector_icons/vector_icons.h"
#include "chrome/test/views/chrome_views_test_base.h"
#include "components/vector_icons/vector_icons.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/image/image_unittest_util.h"
#include "ui/resources/grit/ui_resources.h"
#include "ui/views/layout/box_layout_view.h"
#include "ui/views/test/views_drawing_test_utils.h"
#include "ui/views/test/views_test_utils.h"
namespace autofill {
class LazyLoadingImageViewTest : public ChromeViewsTestBase {
public:
LazyLoadingImageViewTest() = default;
LazyLoadingImageViewTest(LazyLoadingImageViewTest&) = delete;
LazyLoadingImageViewTest& operator=(LazyLoadingImageViewTest&) = delete;
~LazyLoadingImageViewTest() override = default;
void SetUp() override {
ChromeViewsTestBase::SetUp();
widget_ =
CreateTestWidget(views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET);
}
void TearDown() override {
widget_.reset();
ChromeViewsTestBase::TearDown();
}
protected:
views::Widget& widget() const { return *widget_; }
void Paint() { views::test::PaintViewToBitmap(widget().GetRootView()); }
private:
std::unique_ptr<views::Widget> widget_;
};
TEST_F(LazyLoadingImageViewTest, ImageLoaderProvidesContent) {
base::MockCallback<LazyLoadingImageView::ImageLoader> mock_loader;
gfx::Image image =
ui::ResourceBundle::GetSharedInstance().GetNativeImageNamed(
IDR_DEFAULT_FAVICON);
EXPECT_CALL(mock_loader, Run)
.WillOnce(
[&image](base::CancelableTaskTracker*,
LazyLoadingImageView::ImageLoaderOnLoadSuccess on_success,
LazyLoadingImageView::ImageLoaderOnLoadFail) {
std::move(on_success).Run(image);
});
auto* view = widget().SetContentsView(std::make_unique<LazyLoadingImageView>(
image.Size(), ui::ImageModel::FromVectorIcon(kGlobeIcon),
mock_loader.Get()));
ASSERT_FALSE(gfx::test::AreImagesEqual(image, view->GetImageForTesting()));
Paint();
EXPECT_TRUE(gfx::test::AreImagesEqual(image, view->GetImageForTesting()));
}
TEST_F(LazyLoadingImageViewTest, ImageLoaderIsTriggerredForVisibleViewsOnly) {
base::MockCallback<LazyLoadingImageView::ImageLoader> mock_loader;
ON_CALL(mock_loader, Run)
.WillByDefault(
[](base::CancelableTaskTracker*,
LazyLoadingImageView::ImageLoaderOnLoadSuccess on_success,
LazyLoadingImageView::ImageLoaderOnLoadFail) {
std::move(on_success).Run(gfx::Image());
});
testing::MockFunction<void()> check;
{
testing::InSequence s;
EXPECT_CALL(mock_loader, Run).Times(0);
EXPECT_CALL(check, Call);
EXPECT_CALL(mock_loader, Run);
}
gfx::Size visible_area_size(100, 100);
auto* container =
widget().SetContentsView(views::Builder<views::BoxLayoutView>()
.SetPreferredSize(visible_area_size)
.Build());
// `push_view` is a big enough view that pushes the image view out of
// the `container` viewport and thus makes it invisible.
auto* push_view =
container->AddChildView(views::Builder<views::View>()
.SetPreferredSize(visible_area_size)
.Build());
container->AddChildView(std::make_unique<LazyLoadingImageView>(
gfx::Size(10, 10), ui::ImageModel::FromVectorIcon(kGlobeIcon),
mock_loader.Get()));
Paint();
check.Call();
// Removing `push_view` makes the image view visible.
auto push_view_owned = container->RemoveChildViewT(push_view);
views::test::RunScheduledLayout(&widget());
Paint();
}
} // namespace autofill
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