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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 "ui/views/interaction/view_focus_observer.h"
#include <memory>
#include <utility>
#include "base/functional/callback_helpers.h"
#include "ui/base/interaction/element_identifier.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/interaction/interactive_views_test.h"
#include "ui/views/layout/flex_layout.h"
#include "ui/views/test/views_test_base.h"
#include "ui/views/test/widget_test.h"
#include "ui/views/view.h"
#include "ui/views/view_class_properties.h"
#include "ui/views/widget/widget.h"
namespace views::test {
namespace {
DEFINE_LOCAL_ELEMENT_IDENTIFIER_VALUE(kButton1Id);
DEFINE_LOCAL_ELEMENT_IDENTIFIER_VALUE(kTextFieldId);
} // namespace
class ViewFocusObserverTest : public InteractiveViewsTest {
public:
ViewFocusObserverTest() = default;
~ViewFocusObserverTest() override = default;
void SetUp() override {
InteractiveViewsTest::SetUp();
widget_ = std::make_unique<Widget>();
Widget::InitParams params =
CreateParams(Widget::InitParams::CLIENT_OWNS_WIDGET,
Widget::InitParams::TYPE_WINDOW_FRAMELESS);
params.bounds = gfx::Rect(20, 20, 500, 100);
widget_->Init(std::move(params));
auto* const contents = widget_->SetContentsView(std::make_unique<View>());
button1_ = contents->AddChildView(
std::make_unique<LabelButton>(Button::PressedCallback(), u"Button1"));
button1_->SetProperty(kElementIdentifierKey, kButton1Id);
button2_ = contents->AddChildView(
std::make_unique<LabelButton>(Button::PressedCallback(), u"Button2"));
text_ = contents->AddChildView(std::make_unique<Textfield>());
text_->SetProperty(kElementIdentifierKey, kTextFieldId);
text_->SetDefaultWidthInChars(10);
text_->SetAccessibleName(u"Textfield");
auto* const layout =
contents->SetLayoutManager(std::make_unique<FlexLayout>());
layout->SetOrientation(LayoutOrientation::kHorizontal);
layout->SetDefault(kFlexBehaviorKey,
FlexSpecification(MinimumFlexSizeRule::kPreferred,
MaximumFlexSizeRule::kUnbounded));
test::WidgetVisibleWaiter visible_waiter(widget_.get());
widget_->Show();
visible_waiter.Wait();
SetContextWidget(widget_.get());
}
void TearDown() override {
button1_ = nullptr;
button2_ = nullptr;
text_ = nullptr;
widget_.reset();
InteractiveViewsTest::TearDown();
}
auto Focus(View* view) {
return Do([view]() { view->RequestFocus(); });
}
protected:
raw_ptr<LabelButton> button1_ = nullptr;
raw_ptr<LabelButton> button2_ = nullptr;
raw_ptr<Textfield> text_ = nullptr;
std::unique_ptr<Widget> widget_;
};
TEST_F(ViewFocusObserverTest, TracksFocus) {
RunTestSequence(
ObserveState(kCurrentFocusedView, widget_.get()),
ObserveState(kCurrentFocusedViewId, widget_.get()), Focus(button1_),
WaitForState(kCurrentFocusedView, button1_.get()),
WaitForState(kCurrentFocusedViewId, kButton1Id), Focus(button2_),
WaitForState(kCurrentFocusedView, button2_.get()),
WaitForState(kCurrentFocusedViewId, ui::ElementIdentifier()),
Focus(text_), WaitForState(kCurrentFocusedView, text_.get()),
WaitForState(kCurrentFocusedViewId, kTextFieldId),
Do([this]() { widget_->GetFocusManager()->ClearFocus(); }),
WaitForState(kCurrentFocusedView,
testing::Matcher<View*>(testing::Not(testing::AnyOf(
button1_.get(), button2_.get(), text_.get())))),
WaitForState(kCurrentFocusedViewId, ui::ElementIdentifier()));
}
} // namespace views::test
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