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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 "chrome/browser/chromeos/ui/kiosk_external_update_notification.h"
#include "ash/shell.h"
#include "ash/shell_window_ids.h"
#include "base/macros.h"
#include "ui/aura/window.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/scoped_layer_animation_settings.h"
#include "ui/gfx/canvas.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
namespace chromeos {
namespace {
const SkColor kTextColor = SK_ColorBLACK;
const SkColor kWindowBackgroundColor = SK_ColorWHITE;
const int kWindowCornerRadius = 4;
const int kPreferredWidth = 600;
const int kPreferredHeight = 250;
} // namespace
class KioskExternalUpdateNotificationView : public views::WidgetDelegateView {
public:
explicit KioskExternalUpdateNotificationView(
KioskExternalUpdateNotification* owner)
: owner_(owner), widget_closed_(false) {
AddLabel();
SetLayoutManager(new views::FillLayout);
}
~KioskExternalUpdateNotificationView() override {
widget_closed_ = true;
InformOwnerForDismiss();
}
// Closes the widget immediately from |owner_|.
void CloseByOwner() {
owner_ = NULL;
if (!widget_closed_) {
widget_closed_ = true;
GetWidget()->Close();
}
}
void SetMessage(const base::string16& message) { label_->SetText(message); }
// views::WidgetDelegateView overrides:
void OnPaint(gfx::Canvas* canvas) override {
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setColor(kWindowBackgroundColor);
canvas->DrawRoundRect(GetLocalBounds(), kWindowCornerRadius, paint);
views::WidgetDelegateView::OnPaint(canvas);
}
gfx::Size GetPreferredSize() const override {
return gfx::Size(kPreferredWidth, kPreferredHeight);
}
private:
void AddLabel() {
label_ = new views::Label;
label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
ui::ResourceBundle* rb = &ui::ResourceBundle::GetSharedInstance();
label_->SetFontList(rb->GetFontList(ui::ResourceBundle::BoldFont));
label_->SetEnabledColor(kTextColor);
label_->SetDisabledColor(kTextColor);
label_->SetAutoColorReadabilityEnabled(false);
label_->SetMultiLine(true);
AddChildView(label_);
}
void InformOwnerForDismiss() {
// Inform the |owner_| that we are going away.
if (owner_) {
KioskExternalUpdateNotification* owner = owner_;
owner_ = NULL;
owner->Dismiss();
}
}
// The owner of this message which needs to get notified when the message
// closes.
KioskExternalUpdateNotification* owner_;
views::Label* label_; // owned by views hierarchy.
// True if the widget got already closed.
bool widget_closed_;
DISALLOW_COPY_AND_ASSIGN(KioskExternalUpdateNotificationView);
};
KioskExternalUpdateNotification::KioskExternalUpdateNotification(
const base::string16& message) {
CreateAndShowNotificationView(message);
}
KioskExternalUpdateNotification::~KioskExternalUpdateNotification() {
Dismiss();
}
void KioskExternalUpdateNotification::ShowMessage(
const base::string16& message) {
if (view_)
view_->SetMessage(message);
}
void KioskExternalUpdateNotification::CreateAndShowNotificationView(
const base::string16& message) {
view_ = new KioskExternalUpdateNotificationView(this);
view_->SetMessage(message);
aura::Window* root_window = ash::Shell::GetTargetRootWindow();
gfx::Size rs = root_window->bounds().size();
gfx::Size ps = view_->GetPreferredSize();
gfx::Rect bounds((rs.width() - ps.width()) / 2,
(rs.height() - ps.height()) / 10,
ps.width(),
ps.height());
views::Widget::InitParams params;
params.type = views::Widget::InitParams::TYPE_POPUP;
params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
params.ownership = views::Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET;
params.accept_events = false;
params.keep_on_top = true;
params.remove_standard_frame = true;
params.delegate = view_;
params.bounds = bounds;
params.parent = ash::Shell::GetContainer(
root_window, ash::kShellWindowId_SettingBubbleContainer);
views::Widget* widget = new views::Widget;
widget->Init(params);
widget->SetContentsView(view_);
gfx::NativeView native_view = widget->GetNativeView();
native_view->SetName("KioskExternalUpdateNotification");
widget->Show();
}
void KioskExternalUpdateNotification::Dismiss() {
if (view_) {
KioskExternalUpdateNotificationView* view = view_;
view_ = NULL;
view->CloseByOwner();
}
}
} // namespace chromeos
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