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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/examples/test_app_window.h"
#include <memory>
#include <optional>
#include "ash/examples/client_controlled_state_util.h"
#include "ash/shell.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string_number_conversions.h"
#include "base/task/sequenced_task_runner.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "chromeos/ui/base/app_types.h"
#include "chromeos/ui/base/window_properties.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/base/models/combobox_model.h"
#include "ui/color/color_variant.h"
#include "ui/gfx/geometry/size.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/background.h"
#include "ui/views/controls/button/checkbox.h"
#include "ui/views/controls/combobox/combobox.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
namespace ash {
namespace {
class AppTypeComboboxModel : public ui::ComboboxModel {
public:
AppTypeComboboxModel() = default;
AppTypeComboboxModel(const AppTypeComboboxModel&) = delete;
AppTypeComboboxModel& operator=(const AppTypeComboboxModel&) = delete;
~AppTypeComboboxModel() override = default;
private:
// ui::ComboboxModel:
size_t GetItemCount() const override {
return static_cast<size_t>(chromeos::AppType::kMaxValue) + 1;
}
std::u16string GetItemAt(size_t index) const override {
switch (static_cast<chromeos::AppType>(index)) {
case chromeos::AppType::NON_APP:
return u"AppType: None";
case chromeos::AppType::BROWSER:
return u"AppType: Browser";
case chromeos::AppType::CHROME_APP:
return u"AppType: ChromeApp";
case chromeos::AppType::ARC_APP:
return u"AppType: Arc";
case chromeos::AppType::CROSTINI_APP:
return u"AppType: Crostini";
case chromeos::AppType::SYSTEM_APP:
return u"AppType: SystemApp";
}
return u"AppType: Unknown";
}
};
class TestView : public views::View {
public:
enum ViewElements : int {
kAppTypesCombobox = 1000,
kOpenClientControlledButton,
};
explicit TestView(bool add_open_client_controlled) {
SetBackground(
views::CreateSolidBackground(ui::ColorVariant(SK_ColorWHITE)));
auto* layout = SetLayoutManager(std::make_unique<views::BoxLayout>(
views::BoxLayout::Orientation::kVertical));
layout->set_cross_axis_alignment(
views::BoxLayout::CrossAxisAlignment::kStart);
auto add_checkbox =
[](views::View* container, const std::u16string& text,
const std::u16string& tooltip, bool initial_state,
base::RepeatingCallback<void(const ui::Event&)> callback) {
views::Checkbox* checkbox = container->AddChildView(
std::make_unique<views::Checkbox>(text, std::move(callback)));
checkbox->SetChecked(initial_state);
checkbox->SetTooltipText(tooltip);
return checkbox;
};
auto add_textfield = [](views::View* container, const std::u16string& text,
const std::u16string& tooltip,
const std::u16string& initial_value) {
views::View* hc =
container->AddChildView(std::make_unique<views::View>());
auto* layout = hc->SetLayoutManager(std::make_unique<views::BoxLayout>(
views::BoxLayout::Orientation::kHorizontal));
layout->set_cross_axis_alignment(
views::BoxLayout::CrossAxisAlignment::kCenter);
views::Label* label =
hc->AddChildView(std::make_unique<views::Label>(text));
label->SetTooltipText(tooltip);
views::Textfield* textfield =
hc->AddChildView(std::make_unique<views::Textfield>());
textfield->SetText(initial_value);
textfield->GetViewAccessibility().SetName(
std::u16string(), ax::mojom::NameFrom::kAttributeExplicitlyEmpty);
layout->SetFlexForView(textfield, 1);
return textfield;
};
add_checkbox(
this, u"Activatable", u"activatable",
/*initial_state=*/true, base::BindRepeating([](const ui::Event& event) {
views::Checkbox* cb = static_cast<views::Checkbox*>(event.target());
cb->GetWidget()->widget_delegate()->SetCanActivate(cb->GetChecked());
}));
add_checkbox(
this, u"Resizable", u"resizable",
/*initial_state=*/true, base::BindRepeating([](const ui::Event& event) {
views::Checkbox* cb = static_cast<views::Checkbox*>(event.target());
cb->GetWidget()->widget_delegate()->SetCanResize(cb->GetChecked());
}));
add_checkbox(
this, u"Maximizable", u"maximizable",
/*initial_state=*/true, base::BindRepeating([](const ui::Event& event) {
views::Checkbox* cb = static_cast<views::Checkbox*>(event.target());
cb->GetWidget()->widget_delegate()->SetCanMaximize(cb->GetChecked());
}));
add_checkbox(this, u"Always On Top", u"always on top",
/*initial_state=*/false,
base::BindRepeating([](const ui::Event& event) {
views::Checkbox* cb =
static_cast<views::Checkbox*>(event.target());
auto* window = cb->GetWidget()->GetNativeWindow();
window->SetProperty(aura::client::kZOrderingKey,
cb->GetChecked()
? ui::ZOrderLevel::kFloatingWindow
: ui::ZOrderLevel::kNormal);
}));
AddChildView(std::make_unique<views::LabelButton>(
base::BindRepeating(
&TestView::RunAfterFiveSeconds, base::Unretained(this),
base::BindRepeating(
[](views::View* view) -> void { view->GetWidget()->Close(); },
base::Unretained(this))),
u"Close After 5 seconds"));
AddChildView(std::make_unique<views::LabelButton>(
base::BindRepeating(
&TestView::RunAfterFiveSeconds, base::Unretained(this),
base::BindRepeating(
[](views::View* view) { view->GetWidget()->Activate(); },
base::Unretained(this))),
u"Activate After 5 seconds"));
AddChildView(std::make_unique<views::LabelButton>(
base::BindRepeating(
&TestView::RunAfterFiveSeconds, base::Unretained(this),
base::BindRepeating(
[](views::View* view) { view->GetWidget()->Restore(); },
base::Unretained(this))),
u"Restore After 5 seconds"));
if (add_open_client_controlled) {
AddChildView(
std::make_unique<views::LabelButton>(
base::BindRepeating(&OpenTestAppWindow,
/*use_client_controlled_state=*/true),
u"Open ClientControlled App Window"))
->SetID(kOpenClientControlledButton);
}
AddChildView(std::make_unique<views::LabelButton>(
base::BindRepeating(&TestView::UpdateMinimumSize,
base::Unretained(this)),
u"Apply Minimum Size"));
width_ = add_textfield(this, u"Min Width", u"minimum width",
base::NumberToString16(GetMinimumSize().width()));
height_ = add_textfield(this, u"Min height", u"minimum height",
base::NumberToString16(GetMinimumSize().height()));
auto* app_types = AddChildView(std::make_unique<views::Combobox>(
std::make_unique<AppTypeComboboxModel>()));
app_types->GetViewAccessibility().SetName(
std::u16string(), ax::mojom::NameFrom::kAttributeExplicitlyEmpty);
app_types->SetCallback(base::BindRepeating(
[](views::Combobox* app_types) -> void {
size_t selected = app_types->GetSelectedIndex().value_or(0);
auto* window = app_types->GetWidget()->GetNativeWindow();
window->SetProperty(chromeos::kAppTypeKey,
static_cast<chromeos::AppType>(selected));
},
base::Unretained(app_types)));
app_types->SetID(kAppTypesCombobox);
}
// views::View:
gfx::Size GetMinimumSize() const override { return minimum_size_; }
void AddedToWidget() override {
// Initialize the app type values when the widget/window is ready.
auto* app_types =
static_cast<views::Combobox*>(GetViewByID(kAppTypesCombobox));
if (GetViewByID(kOpenClientControlledButton)) {
app_types->MenuSelectionAt(1); // Browser
} else {
app_types->MenuSelectionAt(3); // ARC
}
}
private:
void UpdateMinimumSize() {
int width;
int height;
if (base::StringToInt(width_->GetText(), &width) &&
base::StringToInt(height_->GetText(), &height)) {
minimum_size_.SetSize(width, height);
PreferredSizeChanged();
} else {
LOG(ERROR) << "Failed to set minimum size to:" << width_->GetText()
<< " x " << height_->GetText();
}
}
void RunAfterFiveSeconds(base::RepeatingCallback<void()> callback) {
timer_.Start(FROM_HERE, base::Seconds(5), callback);
}
raw_ptr<views::Textfield> width_, height_;
gfx::Size minimum_size_{250, 100};
base::OneShotTimer timer_;
};
} // namespace
void OpenTestAppWindow(bool use_client_controlled_state) {
views::Widget* widget = new views::Widget;
views::Widget::InitParams params(
views::Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET,
views::Widget::InitParams::TYPE_WINDOW);
auto widget_delegate = std::make_unique<views::WidgetDelegate>();
widget_delegate->SetCanActivate(true);
widget_delegate->SetCanFullscreen(true);
widget_delegate->SetCanMaximize(true);
widget_delegate->SetCanMinimize(true);
widget_delegate->SetCanResize(true);
widget_delegate->SetTitle(use_client_controlled_state
? u"TestAppWindow(ClientControlled)"
: u"TestAppWindow(Normal)");
params.delegate = widget_delegate.release();
params.delegate->SetContentsView(
std::make_unique<TestView>(!use_client_controlled_state));
params.context = Shell::GetPrimaryRootWindow();
params.name = "AshTestAppWindow";
widget->Init(std::move(params));
if (use_client_controlled_state) {
ClientControlledStateUtil::BuildAndSet(widget->GetNativeWindow());
}
widget->Show();
}
} // namespace ash
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