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// Copyright 2020 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 "ui/views/controls/link.h"
#include <memory>
#include <utility>
#include <vector>
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/ui_base_switches.h"
#include "ui/events/base_event_utils.h"
#include "ui/events/test/event_generator.h"
#include "ui/strings/grit/ui_strings.h"
#include "ui/views/border.h"
#include "ui/views/controls/base_control_test_widget.h"
#include "ui/views/test/view_metadata_test_utils.h"
#include "ui/views/test/views_test_base.h"
#include "ui/views/widget/widget.h"
namespace views {
namespace {
class LinkTest : public test::BaseControlTestWidget {
public:
LinkTest() = default;
LinkTest(const LinkTest&) = delete;
LinkTest& operator=(const LinkTest&) = delete;
~LinkTest() override = default;
void SetUp() override {
test::BaseControlTestWidget::SetUp();
event_generator_ = std::make_unique<ui::test::EventGenerator>(
GetContext(), widget()->GetNativeWindow());
event_generator_->set_assume_window_at_origin(false);
}
protected:
void CreateWidgetContent(View* container) override {
// Create a widget containing a link which does not take the full size.
link_ = container->AddChildView(
std::make_unique<Link>(base::ASCIIToUTF16("TestLink")));
link_->SetBoundsRect(
gfx::ScaleToEnclosedRect(container->GetLocalBounds(), 0.5f));
}
Link* link() { return link_; }
ui::test::EventGenerator* event_generator() { return event_generator_.get(); }
public:
Link* link_ = nullptr;
std::unique_ptr<ui::test::EventGenerator> event_generator_;
};
} // namespace
TEST_F(LinkTest, Metadata) {
link()->SetMultiLine(true);
test::TestViewMetadata(link());
}
TEST_F(LinkTest, TestLinkClick) {
bool link_clicked = false;
link()->SetCallback(base::BindRepeating(
[](bool* link_clicked) { *link_clicked = true; }, &link_clicked));
link()->SizeToPreferredSize();
gfx::Point point = link()->bounds().CenterPoint();
ui::MouseEvent release(ui::ET_MOUSE_RELEASED, point, point,
ui::EventTimeForNow(), ui::EF_LEFT_MOUSE_BUTTON,
ui::EF_LEFT_MOUSE_BUTTON);
link()->OnMouseReleased(release);
EXPECT_TRUE(link_clicked);
}
TEST_F(LinkTest, TestLinkTap) {
bool link_clicked = false;
link()->SetCallback(base::BindRepeating(
[](bool* link_clicked) { *link_clicked = true; }, &link_clicked));
link()->SizeToPreferredSize();
gfx::Point point = link()->bounds().CenterPoint();
ui::GestureEvent tap_event(point.x(), point.y(), 0, ui::EventTimeForNow(),
ui::GestureEventDetails(ui::ET_GESTURE_TAP));
link()->OnGestureEvent(&tap_event);
EXPECT_TRUE(link_clicked);
}
// This test doesn't work on Mac due to crbug.com/1071633.
#if !defined(OS_MAC)
// Tests that hovering and unhovering a link adds and removes an underline.
TEST_F(LinkTest, TestUnderlineOnHover) {
// A non-hovered link should not be underlined.
const gfx::Rect link_bounds = link()->GetBoundsInScreen();
const gfx::Point off_link = link_bounds.bottom_right() + gfx::Vector2d(1, 1);
event_generator()->MoveMouseTo(off_link);
EXPECT_FALSE(link()->IsMouseHovered());
const auto link_underlined = [link = link()]() {
return !!(link->font_list().GetFontStyle() & gfx::Font::UNDERLINE);
};
EXPECT_FALSE(link_underlined());
// Hovering the link should underline it.
event_generator()->MoveMouseTo(link_bounds.CenterPoint());
EXPECT_TRUE(link()->IsMouseHovered());
EXPECT_TRUE(link_underlined());
// Un-hovering the link should remove the underline again.
event_generator()->MoveMouseTo(off_link);
EXPECT_FALSE(link()->IsMouseHovered());
EXPECT_FALSE(link_underlined());
}
#endif // !defined(OS_MAC)
} // namespace views
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