chromium/components/user_education/views/help_bubble_event_relay.h

// 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 COMPONENTS_USER_EDUCATION_VIEWS_HELP_BUBBLE_EVENT_RELAY_H_
#define COMPONENTS_USER_EDUCATION_VIEWS_HELP_BUBBLE_EVENT_RELAY_H_

#include "base/callback_list.h"
#include "base/memory/raw_ptr.h"
#include "ui/events/event.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/menu/menu_item_view.h"

namespace user_education {

class HelpBubbleView;

// Class that intercepts events in screen coordinates and determines whether
// they should be applied to a help bubble. Owned by the help bubble, though it
// can be created elsewhere.
class HelpBubbleEventRelay { … };

namespace internal {

// Because menus use event capture, a help bubble anchored to a menu cannot
// respond to events in the normal way. However, help bubbles are not
// complicated and only have buttons. When a help bubble is anchored to a menu,
// this object will monitor events that would be captured by the menu, and
// ensures that the buttons on the help bubble still behavior predictably.
class MenuHelpBubbleEventProcessor : public HelpBubbleEventRelay { … };

}  // namespace internal

}  // namespace user_education

#endif  // COMPONENTS_USER_EDUCATION_VIEWS_HELP_BUBBLE_EVENT_RELAY_H_