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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_MESSAGE_CENTER_VIEWS_MESSAGE_POPUP_VIEW_H_
#define UI_MESSAGE_CENTER_VIEWS_MESSAGE_POPUP_VIEW_H_
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "ui/message_center/message_center_export.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
#include "ui/views/widget/widget_observer.h"
namespace message_center {
class MessagePopupCollection;
class MessageView;
class Notification;
// The widget delegate of a notification popup. The view is owned by the widget.
class MESSAGE_CENTER_EXPORT MessagePopupView
: public views::FocusChangeListener,
public views::WidgetDelegateView {
METADATA_HEADER(MessagePopupView, views::WidgetDelegateView)
public:
MessagePopupView(MessageView* message_view,
MessagePopupCollection* popup_collection,
bool a11y_feedback_on_init);
MessagePopupView(const MessagePopupView&) = delete;
MessagePopupView& operator=(const MessagePopupView&) = delete;
~MessagePopupView() override;
// Update notification contents to |notification|. Virtual for unit testing.
virtual void UpdateContents(const Notification& notification);
// Updates the content of the child notification view inside this popup.
// Virtual for unit testing.
virtual void UpdateContentsForChildNotification(
const std::string& notification_id,
const Notification& notification);
// Return opacity of the widget.
float GetOpacity() const;
// Sets widget bounds.
void SetPopupBounds(const gfx::Rect& bounds);
// Set widget opacity.
void SetOpacity(float opacity);
// Collapses the notification unless the user is interacting with it. The
// request can be ignored. Virtual for unit testing.
virtual void AutoCollapse();
// Shows popup. After this call, MessagePopupView should be owned by the
// widget.
std::unique_ptr<views::Widget> Show();
// Closes popup. It should be callable even if Show() is not called, and
// in such case MessagePopupView should be deleted. Virtual for unit testing.
virtual void Close();
// views::FocusChangeListener,
void OnDidChangeFocus(views::View* before, views::View* now) override;
// views::WidgetDelegateView:
void OnMouseEntered(const ui::MouseEvent& event) override;
void OnMouseExited(const ui::MouseEvent& event) override;
void ChildPreferredSizeChanged(views::View* child) override;
void OnDisplayChanged() override;
void OnWorkAreaChanged() override;
void OnFocus() override;
void AddedToWidget() override;
void RemovedFromWidget() override;
bool is_hovered() const { return is_hovered_; }
bool is_focused() const { return is_focused_; }
MessageView* message_view() { return message_view_; }
bool view_added_to_widget() { return view_added_to_widget_; }
protected:
// For unit testing.
explicit MessagePopupView(MessagePopupCollection* popup_collection);
private:
// True if the view has a widget and the widget is not closed.
bool IsWidgetValid() const;
void UpdateAccessibleName(const std::u16string& new_name) const;
void OnMessageViewNameUpdated(
bool should_make_spoken_feedback_for_popup_updates);
// Owned by views hierarchy.
raw_ptr<MessageView> message_view_;
// Unowned.
const raw_ptr<MessagePopupCollection> popup_collection_;
const bool a11y_feedback_on_init_;
bool is_hovered_ = false;
bool is_focused_ = false;
// Was this view ever hosted in a Widget? If so, the Widget will "own" this
// view and delete it accordingly. Otherwise, the MessagePopupCollection is
// responsible for its destruction.
bool view_added_to_widget_ = false;
// Owned by the widget associated with this view.
raw_ptr<views::FocusManager> focus_manager_ = nullptr;
base::WeakPtrFactory<MessagePopupView> weak_ptr_factory_{this};
};
} // namespace message_center
#endif // UI_MESSAGE_CENTER_VIEWS_MESSAGE_POPUP_VIEW_H_
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