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// Copyright 2012 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/accessible_pane_view.h"
#include <memory>
#include <utility>
#include "base/memory/raw_ptr.h"
#include "base/test/icu_test_util.h"
#include "build/build_config.h"
#include "ui/base/accelerators/accelerator.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/test/views_test_base.h"
#include "ui/views/widget/widget.h"
namespace views {
// TODO(alicet): bring pane rotation into views and add tests.
// See browser_view.cc for details.
using AccessiblePaneViewTest = ViewsTestBase;
class TestBarView : public AccessiblePaneView {
METADATA_HEADER(TestBarView, AccessiblePaneView)
public:
TestBarView();
TestBarView(const TestBarView&) = delete;
TestBarView& operator=(const TestBarView&) = delete;
~TestBarView() override;
LabelButton* child_button() const { return child_button_; }
LabelButton* second_child_button() const { return second_child_button_; }
LabelButton* third_child_button() const { return third_child_button_; }
LabelButton* not_child_button() const { return not_child_button_.get(); }
View* GetDefaultFocusableChild() override;
// Removes `child_button` from the view and returns ownership of it.
std::unique_ptr<LabelButton> RemoveChildButton();
private:
void Init();
raw_ptr<LabelButton> child_button_;
raw_ptr<LabelButton> second_child_button_;
raw_ptr<LabelButton> third_child_button_;
std::unique_ptr<LabelButton> not_child_button_;
IgnoreMissingWidgetForTestingScopedSetter a11y_ignore_missing_widget_;
};
TestBarView::TestBarView()
: a11y_ignore_missing_widget_(GetViewAccessibility()) {
Init();
set_allow_deactivate_on_esc(true);
}
TestBarView::~TestBarView() = default;
std::unique_ptr<LabelButton> TestBarView::RemoveChildButton() {
return RemoveChildViewT<LabelButton>(child_button_.ExtractAsDangling());
}
void TestBarView::Init() {
SetLayoutManager(std::make_unique<FillLayout>());
std::u16string label;
child_button_ = AddChildView(std::make_unique<LabelButton>());
second_child_button_ = AddChildView(std::make_unique<LabelButton>());
third_child_button_ = AddChildView(std::make_unique<LabelButton>());
not_child_button_ = std::make_unique<LabelButton>();
}
View* TestBarView::GetDefaultFocusableChild() {
return child_button_;
}
BEGIN_METADATA(TestBarView)
END_METADATA
TEST_F(AccessiblePaneViewTest, SimpleSetPaneFocus) {
auto widget = std::make_unique<Widget>();
Widget::InitParams params =
CreateParams(Widget::InitParams::CLIENT_OWNS_WIDGET,
Widget::InitParams::TYPE_WINDOW_FRAMELESS);
params.bounds = gfx::Rect(50, 50, 650, 650);
widget->Init(std::move(params));
View* root = widget->GetRootView();
auto* test_view = root->AddChildView(std::make_unique<TestBarView>());
widget->Show();
widget->Activate();
// Set pane focus succeeds, focus on child.
EXPECT_TRUE(test_view->SetPaneFocusAndFocusDefault());
EXPECT_EQ(test_view, test_view->GetPaneFocusTraversable());
EXPECT_EQ(test_view->child_button(),
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
// Set focus on non child view, focus failed, stays on pane.
EXPECT_TRUE(test_view->SetPaneFocus(test_view->not_child_button()));
EXPECT_FALSE(test_view->not_child_button() ==
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
EXPECT_EQ(test_view->child_button(),
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
widget->CloseNow();
widget.reset();
}
TEST_F(AccessiblePaneViewTest, SetPaneFocusAndRestore) {
auto widget_main = std::make_unique<Widget>();
Widget::InitParams params_main =
CreateParams(Widget::InitParams::CLIENT_OWNS_WIDGET,
Widget::InitParams::TYPE_WINDOW_FRAMELESS);
params_main.bounds = gfx::Rect(0, 0, 20, 20);
widget_main->Init(std::move(params_main));
View* root_main = widget_main->GetRootView();
auto* test_view_main = root_main->AddChildView(std::make_unique<View>());
widget_main->Show();
widget_main->Activate();
test_view_main->GetFocusManager()->SetFocusedView(test_view_main);
EXPECT_TRUE(widget_main->IsActive());
EXPECT_TRUE(test_view_main->HasFocus());
auto widget_bar = std::make_unique<Widget>();
Widget::InitParams params_bar =
CreateParams(Widget::InitParams::CLIENT_OWNS_WIDGET,
Widget::InitParams::TYPE_WINDOW_FRAMELESS);
params_bar.bounds = gfx::Rect(50, 50, 650, 650);
widget_bar->Init(std::move(params_bar));
View* root_bar = widget_bar->GetRootView();
auto* test_view_bar = root_bar->AddChildView(std::make_unique<TestBarView>());
widget_bar->Show();
widget_bar->Activate();
// Set pane focus succeeds, focus on child.
EXPECT_TRUE(test_view_bar->SetPaneFocusAndFocusDefault());
EXPECT_FALSE(test_view_main->HasFocus());
EXPECT_FALSE(widget_main->IsActive());
EXPECT_EQ(test_view_bar, test_view_bar->GetPaneFocusTraversable());
EXPECT_EQ(test_view_bar->child_button(),
test_view_bar->GetWidget()->GetFocusManager()->GetFocusedView());
// Deactivate() is only reliable on Ash. On Windows it uses
// ::GetNextWindow() to simply activate another window, and which one is not
// predictable. On Mac, Deactivate() is not implemented. Note that
// TestBarView calls set_allow_deactivate_on_esc(true), which is only
// otherwise used in Ash.
#if !BUILDFLAG(IS_MAC) || BUILDFLAG(IS_CHROMEOS)
// Esc should deactivate the widget.
test_view_bar->AcceleratorPressed(test_view_bar->escape_key());
EXPECT_TRUE(widget_main->IsActive());
EXPECT_FALSE(widget_bar->IsActive());
#endif
widget_bar->CloseNow();
widget_bar.reset();
widget_main->CloseNow();
widget_main.reset();
}
TEST_F(AccessiblePaneViewTest, TwoSetPaneFocus) {
auto widget = std::make_unique<Widget>();
Widget::InitParams params =
CreateParams(Widget::InitParams::CLIENT_OWNS_WIDGET,
Widget::InitParams::TYPE_WINDOW_FRAMELESS);
params.bounds = gfx::Rect(50, 50, 650, 650);
widget->Init(std::move(params));
View* root = widget->GetRootView();
auto* test_view = root->AddChildView(std::make_unique<TestBarView>());
auto* test_view_2 = root->AddChildView(std::make_unique<TestBarView>());
widget->Show();
widget->Activate();
// Set pane focus succeeds, focus on child.
EXPECT_TRUE(test_view->SetPaneFocusAndFocusDefault());
EXPECT_EQ(test_view, test_view->GetPaneFocusTraversable());
EXPECT_EQ(test_view->child_button(),
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
// Set focus on another test_view, focus move to that pane.
EXPECT_TRUE(test_view_2->SetPaneFocus(test_view_2->second_child_button()));
EXPECT_FALSE(test_view->child_button() ==
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
EXPECT_EQ(test_view_2->second_child_button(),
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
widget->CloseNow();
widget.reset();
}
TEST_F(AccessiblePaneViewTest, PaneFocusTraversal) {
auto widget = std::make_unique<Widget>();
Widget::InitParams params =
CreateParams(Widget::InitParams::CLIENT_OWNS_WIDGET,
Widget::InitParams::TYPE_WINDOW_FRAMELESS);
params.bounds = gfx::Rect(50, 50, 650, 650);
widget->Init(std::move(params));
View* root = widget->GetRootView();
auto* original_test_view =
root->AddChildView(std::make_unique<TestBarView>());
auto* test_view = root->AddChildView(std::make_unique<TestBarView>());
widget->Show();
widget->Activate();
// Set pane focus on first view.
EXPECT_TRUE(original_test_view->SetPaneFocus(
original_test_view->third_child_button()));
// Test traversal in second view.
// Set pane focus on second child.
EXPECT_TRUE(test_view->SetPaneFocus(test_view->second_child_button()));
// home
test_view->AcceleratorPressed(test_view->home_key());
EXPECT_EQ(test_view->child_button(),
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
// end
test_view->AcceleratorPressed(test_view->end_key());
EXPECT_EQ(test_view->third_child_button(),
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
// left
test_view->AcceleratorPressed(test_view->left_key());
EXPECT_EQ(test_view->second_child_button(),
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
// right, right
test_view->AcceleratorPressed(test_view->right_key());
test_view->AcceleratorPressed(test_view->right_key());
EXPECT_EQ(test_view->child_button(),
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
// ESC
test_view->AcceleratorPressed(test_view->escape_key());
EXPECT_EQ(original_test_view->third_child_button(),
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
widget->CloseNow();
widget.reset();
}
TEST_F(AccessiblePaneViewTest, PaneFocusTraversalRespectsRTL) {
base::test::ScopedRestoreICUDefaultLocale scoped_locale("he");
auto widget = std::make_unique<Widget>();
Widget::InitParams params =
CreateParams(Widget::InitParams::CLIENT_OWNS_WIDGET,
Widget::InitParams::TYPE_WINDOW_FRAMELESS);
params.bounds = gfx::Rect(50, 50, 650, 650);
widget->Init(std::move(params));
View* root = widget->GetRootView();
auto* test_view = root->AddChildView(std::make_unique<TestBarView>());
widget->Show();
widget->Activate();
// Set pane focus on middle button of view.
EXPECT_TRUE(test_view->SetPaneFocus(test_view->second_child_button()));
// Home should go to the logical first item regardless of direction.
test_view->AcceleratorPressed(test_view->home_key());
EXPECT_EQ(test_view->child_button(),
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
// End should go to the logical last item regardless of direction.
test_view->AcceleratorPressed(test_view->end_key());
EXPECT_EQ(test_view->third_child_button(),
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
// Set pane focus back on middle button of view.
EXPECT_TRUE(test_view->SetPaneFocus(test_view->second_child_button()));
// Left should go to the logical next item in RTL locales.
test_view->AcceleratorPressed(test_view->left_key());
EXPECT_EQ(test_view->third_child_button(),
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
// Right should go to the logical previous item in RTL locales.
test_view->AcceleratorPressed(test_view->right_key());
test_view->AcceleratorPressed(test_view->right_key());
EXPECT_EQ(test_view->child_button(),
test_view->GetWidget()->GetFocusManager()->GetFocusedView());
}
TEST_F(AccessiblePaneViewTest, DoesntCrashOnEscapeWithRemovedView) {
auto widget = std::make_unique<Widget>();
Widget::InitParams params =
CreateParams(Widget::InitParams::CLIENT_OWNS_WIDGET,
Widget::InitParams::TYPE_WINDOW_FRAMELESS);
params.bounds = gfx::Rect(50, 50, 650, 650);
widget->Init(std::move(params));
View* root = widget->GetRootView();
auto* test_view1 = root->AddChildView(std::make_unique<TestBarView>());
auto* test_view2 = root->AddChildView(std::make_unique<TestBarView>());
widget->Show();
widget->Activate();
// Do the following:
// 1. focus |child_button| in |test_view1|.
// 2. focus |child_button| in |test_view2|. This makes |test_view2| remember
// |test_view1|'s button as having focus.
// 3. Removes |child_button| from |test_view1|.
// 4. Presses escape on |test_view2|. Escape attempts to revert focus to the
// button in |test_view1| (because of step 2). Because it is not in a
// widget this should not attempt to focus anything.
EXPECT_TRUE(test_view1->SetPaneFocus(test_view1->child_button()));
EXPECT_TRUE(test_view2->SetPaneFocus(test_view2->child_button()));
auto orphan = test_view1->RemoveChildButton();
// This shouldn't hit a CHECK in the FocusManager.
EXPECT_TRUE(test_view2->AcceleratorPressed(test_view2->escape_key()));
}
TEST_F(AccessiblePaneViewTest, AccessibleProperties) {
std::unique_ptr<TestBarView> test_view = std::make_unique<TestBarView>();
test_view->GetViewAccessibility().SetName(u"Name");
test_view->GetViewAccessibility().SetDescription(u"Description");
EXPECT_EQ(test_view->GetViewAccessibility().GetCachedName(), u"Name");
EXPECT_EQ(test_view->GetViewAccessibility().GetCachedDescription(),
u"Description");
EXPECT_EQ(test_view->GetViewAccessibility().GetCachedRole(),
ax::mojom::Role::kPane);
ui::AXNodeData data;
test_view->GetViewAccessibility().GetAccessibleNodeData(&data);
EXPECT_EQ(data.GetString16Attribute(ax::mojom::StringAttribute::kName),
u"Name");
EXPECT_EQ(data.GetString16Attribute(ax::mojom::StringAttribute::kDescription),
u"Description");
EXPECT_EQ(data.role, ax::mojom::Role::kPane);
data = ui::AXNodeData();
test_view->GetViewAccessibility().SetRole(ax::mojom::Role::kToolbar);
test_view->GetViewAccessibility().GetAccessibleNodeData(&data);
EXPECT_EQ(data.GetString16Attribute(ax::mojom::StringAttribute::kName),
u"Name");
EXPECT_EQ(data.GetString16Attribute(ax::mojom::StringAttribute::kDescription),
u"Description");
EXPECT_EQ(data.role, ax::mojom::Role::kToolbar);
}
} // namespace views
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