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// Copyright 2014 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/wm/test_child_modal_parent.h"
#include "base/functional/bind.h"
#include "base/strings/utf_string_conversions.h"
#include "ui/aura/window.h"
#include "ui/views/background.h"
#include "ui/views/controls/button/md_text_button.h"
#include "ui/views/controls/native/native_view_host.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/widget/widget.h"
#include "ui/wm/core/window_modality_controller.h"
#include "ui/wm/core/window_util.h"
using views::Widget;
namespace ash {
namespace {
// Parent window layout.
const int kWindowLeft = 170;
const int kWindowTop = 200;
const int kWindowWidth = 400;
const int kWindowHeight = 400;
const int kButtonHeight = 35;
// Child window size.
const int kChildWindowWidth = 330;
const int kChildWindowHeight = 200;
// Child window layout.
const int kTextfieldLeft = 10;
const int kTextfieldTop = 20;
const int kTextfieldWidth = 300;
const int kTextfieldHeight = 35;
const SkColor kModalParentColor = SK_ColorBLUE;
const SkColor kChildColor = SK_ColorWHITE;
views::WidgetDelegateView* CreateChildModalWindow() {
auto child = std::make_unique<views::WidgetDelegateView>();
child->SetModalType(ui::MODAL_TYPE_CHILD);
child->SetTitle(u"Examples: Child Modal Window");
child->SetBackground(views::CreateSolidBackground(kChildColor));
child->SetPreferredSize(gfx::Size(kChildWindowWidth, kChildWindowHeight));
auto textfield = std::make_unique<views::Textfield>();
textfield->SetBounds(kTextfieldLeft, kTextfieldTop, kTextfieldWidth,
kTextfieldHeight);
textfield->SetPlaceholderText(u"modal child window");
child->AddChildView(std::move(textfield));
return child.release();
}
} // namespace
// static
TestChildModalParent* TestChildModalParent::Show(aura::Window* context) {
auto* test_child_modal_parent = new TestChildModalParent(context);
views::Widget* widget = new views::Widget;
views::Widget::InitParams params;
params.delegate = test_child_modal_parent;
params.context = context;
params.bounds =
gfx::Rect(kWindowLeft, kWindowTop, kWindowWidth, kWindowHeight);
widget->Init(std::move(params));
widget->Show();
return test_child_modal_parent;
}
TestChildModalParent::TestChildModalParent(aura::Window* context)
: modal_parent_(std::make_unique<Widget>()),
textfield_(new views::Textfield),
host_(new views::NativeViewHost) {
SetTitle(u"Examples: Child Modal Parent");
textfield_->SetPlaceholderText(u"top level window");
Widget::InitParams params(Widget::InitParams::TYPE_CONTROL);
params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
params.context = context;
modal_parent_->Init(std::move(params));
modal_parent_->GetRootView()->SetBackground(
views::CreateSolidBackground(kModalParentColor));
auto* modal_parent_textfield = new views::Textfield;
modal_parent_->GetRootView()->AddChildView(modal_parent_textfield);
modal_parent_textfield->SetBounds(kTextfieldLeft, kTextfieldTop,
kTextfieldWidth, kTextfieldHeight);
modal_parent_textfield->SetPlaceholderText(u"modal parent window");
modal_parent_->GetNativeView()->SetName("ModalParent");
auto button = std::make_unique<views::MdTextButton>(
base::BindRepeating(&TestChildModalParent::ButtonPressed,
base::Unretained(this)),
u"Show/Hide Child Modal Window");
button_ = AddChildView(std::move(button));
AddChildView(textfield_.get());
AddChildView(host_.get());
}
TestChildModalParent::~TestChildModalParent() = default;
aura::Window* TestChildModalParent::GetModalParent() const {
return modal_parent_->GetNativeView();
}
aura::Window* TestChildModalParent::ShowModalChild() {
DCHECK(!modal_child_);
modal_child_ = Widget::CreateWindowWithParent(CreateChildModalWindow(),
GetWidget()->GetNativeView());
wm::SetModalParent(modal_child_->GetNativeView(),
modal_parent_->GetNativeView());
modal_child_->AddObserver(this);
modal_child_->GetNativeView()->SetName("ChildModalWindow");
modal_child_->Show();
return modal_child_->GetNativeView();
}
void TestChildModalParent::Layout() {
int running_y = y();
button_->SetBounds(x(), running_y, width(), kButtonHeight);
running_y += kButtonHeight;
textfield_->SetBounds(x(), running_y, width(), kTextfieldHeight);
running_y += kTextfieldHeight;
host_->SetBounds(x(), running_y, width(), height() - running_y);
}
void TestChildModalParent::AddedToWidget() {
// The function requires a Widget be present.
DCHECK(GetWidget());
host_->Attach(modal_parent_->GetNativeView());
GetWidget()->GetNativeView()->SetName("Parent");
}
void TestChildModalParent::OnWidgetDestroying(Widget* widget) {
DCHECK_EQ(modal_child_, widget);
modal_child_ = nullptr;
}
void TestChildModalParent::ButtonPressed() {
if (modal_child_)
modal_child_->Close();
else
ShowModalChild();
}
} // namespace ash
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