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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_SYSTEM_ACCESSIBILITY_FACEGAZE_BUBBLE_CONTROLLER_H_
#define ASH_SYSTEM_ACCESSIBILITY_FACEGAZE_BUBBLE_CONTROLLER_H_
#include <string>
#include "ash/ash_export.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/timer/timer.h"
#include "ui/views/view_observer.h"
namespace ui {
class Event;
} // namespace ui
namespace views {
class View;
class Widget;
} // namespace views
namespace ash {
class FaceGazeBubbleView;
// Manages the FaceGaze bubble view.
class ASH_EXPORT FaceGazeBubbleController : public views::ViewObserver {
public:
FaceGazeBubbleController(
const base::RepeatingCallback<void()>& on_close_button_clicked);
FaceGazeBubbleController(const FaceGazeBubbleController&) = delete;
FaceGazeBubbleController& operator=(const FaceGazeBubbleController&) = delete;
~FaceGazeBubbleController() override;
// views::ViewObserver:
void OnViewIsDeleting(views::View* observed_view) override;
// Updates the bubble's visibility and text content.
void UpdateBubble(const std::u16string& text, bool is_warning);
private:
friend class AccessibilityPrivateApiTest;
friend class FaceGazeBubbleControllerTest;
friend class FaceGazeBubbleTestHelper;
// Performs initialization if necessary.
void MaybeInitialize();
// Updates the view and widget.
void Update(const std::u16string& text, bool is_warning);
// Called whenever the mouse enters the the main content of
// FaceGazeBubbleView; this method doesn't get called if the mouse hovers the
// close button.
void OnMouseEntered();
// Called whenever the close button in the FaceGazeBubbleView is
// clicked.
void OnCloseButtonClicked(const ui::Event& event);
// Shows the `FaceGazeBubbleView`.
void OnShowTimer();
base::WeakPtr<FaceGazeBubbleController> GetWeakPtr() {
return weak_ptr_factory_.GetWeakPtr();
}
// A callback that is run when the close button in the bubble UI is clicked.
// This is passed in from AccessibilityController, which owns this object.
const base::RepeatingCallback<void()> on_close_button_clicked_;
// Owned by views hierarchy.
raw_ptr<FaceGazeBubbleView> facegaze_bubble_view_ = nullptr;
raw_ptr<views::Widget> widget_ = nullptr;
// Timer that will show the `FaceGazeBubbleView` after it elapses.
base::RetainingOneShotTimer show_timer_;
base::WeakPtrFactory<FaceGazeBubbleController> weak_ptr_factory_{this};
};
} // namespace ash
#endif // ASH_SYSTEM_ACCESSIBILITY_FACEGAZE_BUBBLE_CONTROLLER_H_
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