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// Copyright 2018 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 "ui/message_center/views/message_popup_view.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "ui/accessibility/ax_enums.mojom.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/display/display.h"
#include "ui/display/screen.h"
#include "ui/message_center/public/cpp/message_center_constants.h"
#include "ui/message_center/views/message_popup_collection.h"
#include "ui/message_center/views/message_view.h"
#include "ui/message_center/views/message_view_factory.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/metadata/metadata_impl_macros.h"
#include "ui/views/widget/widget.h"
#if defined(OS_WIN)
#include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
#endif
#if BUILDFLAG(IS_CHROMEOS_ASH)
#include "ui/aura/window.h"
#include "ui/aura/window_targeter.h"
#endif
namespace message_center {
MessagePopupView::MessagePopupView(const Notification& notification,
MessagePopupCollection* popup_collection)
: message_view_(MessageViewFactory::Create(notification)),
popup_collection_(popup_collection),
a11y_feedback_on_init_(
notification.rich_notification_data()
.should_make_spoken_feedback_for_popup_updates) {
SetLayoutManager(std::make_unique<views::FillLayout>());
if (!message_view_->IsManuallyExpandedOrCollapsed())
message_view_->SetExpanded(message_view_->IsAutoExpandingAllowed());
AddChildView(message_view_);
SetNotifyEnterExitOnChild(true);
}
MessagePopupView::MessagePopupView(MessagePopupCollection* popup_collection)
: message_view_(nullptr),
popup_collection_(popup_collection),
a11y_feedback_on_init_(false) {
SetLayoutManager(std::make_unique<views::FillLayout>());
}
MessagePopupView::~MessagePopupView() {
popup_collection_->NotifyPopupClosed(this);
}
void MessagePopupView::UpdateContents(const Notification& notification) {
if (!IsWidgetValid())
return;
ui::AXNodeData old_data;
message_view_->GetAccessibleNodeData(&old_data);
message_view_->UpdateWithNotification(notification);
popup_collection_->NotifyPopupResized();
if (notification.rich_notification_data()
.should_make_spoken_feedback_for_popup_updates) {
ui::AXNodeData new_data;
message_view_->GetAccessibleNodeData(&new_data);
const std::string& new_name =
new_data.GetStringAttribute(ax::mojom::StringAttribute::kName);
const std::string& old_name =
old_data.GetStringAttribute(ax::mojom::StringAttribute::kName);
if (new_name.empty()) {
new_data.SetNameFrom(ax::mojom::NameFrom::kAttributeExplicitlyEmpty);
return;
}
if (old_name != new_name)
NotifyAccessibilityEvent(ax::mojom::Event::kAlert, true);
}
}
#if !defined(OS_APPLE)
float MessagePopupView::GetOpacity() const {
if (!IsWidgetValid())
return 0.f;
return GetWidget()->GetLayer()->opacity();
}
#endif
void MessagePopupView::SetPopupBounds(const gfx::Rect& bounds) {
if (!IsWidgetValid())
return;
GetWidget()->SetBounds(bounds);
}
void MessagePopupView::SetOpacity(float opacity) {
if (!IsWidgetValid())
return;
GetWidget()->SetOpacity(opacity);
}
void MessagePopupView::AutoCollapse() {
if (!IsWidgetValid() || is_hovered_ ||
message_view_->IsManuallyExpandedOrCollapsed()) {
return;
}
message_view_->SetExpanded(false);
}
void MessagePopupView::Show() {
views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);
params.z_order = ui::ZOrderLevel::kFloatingWindow;
// TODO(crbug.com/1052397): Revisit the macro expression once build flag switch
// of lacros-chrome is complete.
#if defined(OS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)
// Make the widget explicitly activatable as TYPE_POPUP is not activatable by
// default but we need focus for the inline reply textarea.
params.activatable = views::Widget::InitParams::ACTIVATABLE_YES;
params.opacity = views::Widget::InitParams::WindowOpacity::kOpaque;
#else
params.opacity = views::Widget::InitParams::WindowOpacity::kTranslucent;
#endif
params.delegate = this;
views::Widget* widget = new views::Widget();
popup_collection_->ConfigureWidgetInitParamsForContainer(widget, ¶ms);
widget->set_focus_on_creation(false);
observation_.Observe(widget);
#if defined(OS_WIN)
// We want to ensure that this toast always goes to the native desktop,
// not the Ash desktop (since there is already another toast contents view
// there.
if (!params.parent)
params.native_widget = new views::DesktopNativeWidgetAura(widget);
#endif
widget->Init(std::move(params));
#if BUILDFLAG(IS_CHROMEOS_ASH)
// On Chrome OS, this widget is shown in the shelf container. It means this
// widget would inherit the parent's window targeter (ShelfWindowTarget) by
// default. But it is not good for popup. So we override it with the normal
// WindowTargeter.
gfx::NativeWindow native_window = widget->GetNativeWindow();
native_window->SetEventTargeter(std::make_unique<aura::WindowTargeter>());
#endif
widget->SetOpacity(0.0);
widget->ShowInactive();
if (a11y_feedback_on_init_)
NotifyAccessibilityEvent(ax::mojom::Event::kAlert, true);
}
void MessagePopupView::Close() {
if (!GetWidget()) {
DeleteDelegate();
return;
}
if (!GetWidget()->IsClosed())
GetWidget()->CloseNow();
}
void MessagePopupView::OnMouseEntered(const ui::MouseEvent& event) {
is_hovered_ = true;
popup_collection_->Update();
}
void MessagePopupView::OnMouseExited(const ui::MouseEvent& event) {
is_hovered_ = false;
popup_collection_->Update();
}
void MessagePopupView::ChildPreferredSizeChanged(views::View* child) {
popup_collection_->NotifyPopupResized();
}
void MessagePopupView::GetAccessibleNodeData(ui::AXNodeData* node_data) {
message_view_->GetAccessibleNodeData(node_data);
node_data->role = ax::mojom::Role::kAlertDialog;
}
void MessagePopupView::OnDisplayChanged() {
OnWorkAreaChanged();
}
void MessagePopupView::OnWorkAreaChanged() {
if (!IsWidgetValid())
return;
gfx::NativeView native_view = GetWidget()->GetNativeView();
if (!native_view)
return;
if (popup_collection_->RecomputeAlignment(
display::Screen::GetScreen()->GetDisplayNearestView(native_view))) {
popup_collection_->ResetBounds();
}
}
void MessagePopupView::OnFocus() {
// This view is just a container, so advance focus to the underlying
// MessageView.
GetFocusManager()->SetFocusedView(message_view_);
}
void MessagePopupView::OnWidgetActivationChanged(views::Widget* widget,
bool active) {
is_active_ = active;
popup_collection_->Update();
}
void MessagePopupView::OnWidgetDestroyed(views::Widget* widget) {
DCHECK(observation_.IsObservingSource(widget));
observation_.Reset();
}
bool MessagePopupView::IsWidgetValid() const {
return GetWidget() && !GetWidget()->IsClosed();
}
BEGIN_METADATA(MessagePopupView, views::WidgetDelegateView)
END_METADATA
} // namespace message_center
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