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// Copyright 2014 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 "ash/test/child_modal_window.h"
#include "base/strings/utf_string_conversions.h"
#include "ui/aura/window.h"
#include "ui/gfx/canvas.h"
#include "ui/views/background.h"
#include "ui/views/controls/button/label_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/views/widget/widget_delegate.h"
#include "ui/wm/core/window_modality_controller.h"
using views::Widget;
namespace ash {
namespace test {
namespace {
// Parent window size and position.
const int kWindowLeft = 170;
const int kWindowTop = 200;
const int kWindowWidth = 400;
const int kWindowHeight = 400;
// Parent window layout.
const int kButtonHeight = 35;
const int kTextfieldHeight = 35;
// Child window size.
const int kChildWindowWidth = 330;
const int kChildWindowHeight = 200;
// Child window layout.
const int kChildTextfieldLeft = 20;
const int kChildTextfieldTop = 50;
const int kChildTextfieldWidth = 290;
const int kChildTextfieldHeight = 35;
const SkColor kModalParentColor = SK_ColorWHITE;
const SkColor kChildColor = SK_ColorWHITE;
} // namespace
void CreateChildModalParent(gfx::NativeView context) {
Widget::CreateWindowWithContextAndBounds(
new ChildModalParent(context),
context,
gfx::Rect(kWindowLeft, kWindowTop, kWindowWidth, kWindowHeight))->Show();
}
class ChildModalWindow : public views::WidgetDelegateView {
public:
ChildModalWindow();
virtual ~ChildModalWindow();
private:
// Overridden from View:
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
virtual gfx::Size GetPreferredSize() const OVERRIDE;
// Overridden from WidgetDelegate:
virtual View* GetContentsView() OVERRIDE;
virtual base::string16 GetWindowTitle() const OVERRIDE;
virtual bool CanResize() const OVERRIDE;
virtual ui::ModalType GetModalType() const OVERRIDE;
DISALLOW_COPY_AND_ASSIGN(ChildModalWindow);
};
ChildModalWindow::ChildModalWindow() {
views::Textfield* textfield = new views::Textfield;
AddChildView(textfield);
textfield->SetBounds(
kChildTextfieldLeft, kChildTextfieldTop,
kChildTextfieldWidth, kChildTextfieldHeight);
}
ChildModalWindow::~ChildModalWindow() {
}
void ChildModalWindow::OnPaint(gfx::Canvas* canvas) {
canvas->FillRect(GetLocalBounds(), kChildColor);
}
gfx::Size ChildModalWindow::GetPreferredSize() const {
return gfx::Size(kChildWindowWidth, kChildWindowHeight);
}
views::View* ChildModalWindow::GetContentsView() {
return this;
}
base::string16 ChildModalWindow::GetWindowTitle() const {
return base::ASCIIToUTF16("Examples: Child Modal Window");
}
bool ChildModalWindow::CanResize() const {
return false;
}
ui::ModalType ChildModalWindow::GetModalType() const {
return ui::MODAL_TYPE_CHILD;
}
ChildModalParent::ChildModalParent(gfx::NativeView context)
: button_(new views::LabelButton(this,
base::ASCIIToUTF16(
"Show/Hide Child Modal Window"))),
textfield_(new views::Textfield),
host_(new views::NativeViewHost),
modal_parent_(NULL),
child_(NULL) {
Widget* widget = new Widget;
Widget::InitParams params(Widget::InitParams::TYPE_CONTROL);
params.context = context;
widget->Init(params);
widget->GetRootView()->set_background(
views::Background::CreateSolidBackground(kModalParentColor));
modal_parent_ = widget->GetNativeView();
widget->GetNativeView()->SetName("ModalParent");
AddChildView(button_);
AddChildView(textfield_);
AddChildView(host_);
}
ChildModalParent::~ChildModalParent() {
}
void ChildModalParent::ShowChild() {
if (!child_)
child_ = CreateChild();
child_->Show();
}
gfx::NativeWindow ChildModalParent::GetModalParent() const {
return modal_parent_;
}
gfx::NativeWindow ChildModalParent::GetChild() const {
if (child_)
return child_->GetNativeView();
return NULL;
}
Widget* ChildModalParent::CreateChild() {
Widget* child = Widget::CreateWindowWithParent(
new ChildModalWindow, GetWidget()->GetNativeView());
wm::SetModalParent(child->GetNativeView(), GetModalParent());
child->AddObserver(this);
child->GetNativeView()->SetName("ChildModalWindow");
return child;
}
views::View* ChildModalParent::GetContentsView() {
return this;
}
base::string16 ChildModalParent::GetWindowTitle() const {
return base::ASCIIToUTF16("Examples: Child Modal Parent");
}
bool ChildModalParent::CanResize() const {
return false;
}
void ChildModalParent::DeleteDelegate() {
if (child_) {
child_->RemoveObserver(this);
child_->Close();
child_ = NULL;
}
delete this;
}
void ChildModalParent::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 ChildModalParent::ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) {
if (details.is_add && details.child == this) {
host_->Attach(modal_parent_);
GetWidget()->GetNativeView()->SetName("Parent");
}
}
void ChildModalParent::ButtonPressed(views::Button* sender,
const ui::Event& event) {
if (sender == button_) {
if (!child_)
child_ = CreateChild();
if (child_->IsVisible())
child_->Hide();
else
child_->Show();
}
}
void ChildModalParent::OnWidgetDestroying(Widget* widget) {
if (child_) {
DCHECK_EQ(child_, widget);
child_ = NULL;
}
}
} // namespace test
} // namespace ash
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