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// Copyright 2019 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_VIEWS_CONTROLS_BUTTON_BUTTON_CONTROLLER_DELEGATE_H_
#define UI_VIEWS_CONTROLS_BUTTON_BUTTON_CONTROLLER_DELEGATE_H_
#include "base/memory/raw_ptr.h"
#include "ui/views/views_export.h"
namespace gfx {
class Point;
}
namespace ui {
class Event;
}
namespace views {
class Button;
class InkDrop;
// Captures the Button and View methods required for sharing the logic in
// ButtonController between different Button types.
class VIEWS_EXPORT ButtonControllerDelegate {
public:
explicit ButtonControllerDelegate(Button* button) : button_(button) {}
ButtonControllerDelegate(const ButtonControllerDelegate&) = delete;
ButtonControllerDelegate& operator=(const ButtonControllerDelegate&) = delete;
virtual ~ButtonControllerDelegate() = default;
// Parallels methods in views::Button:
virtual void RequestFocusFromEvent() = 0;
virtual void NotifyClick(const ui::Event& event) = 0;
virtual void OnClickCanceled(const ui::Event& event) = 0;
virtual bool IsTriggerableEvent(const ui::Event& event) = 0;
virtual bool ShouldEnterPushedState(const ui::Event& event) = 0;
virtual bool ShouldEnterHoveredState() = 0;
// Parallels method views::InkDropEventHandler::GetInkDrop:
virtual InkDrop* GetInkDrop() = 0;
// Parallels methods in views::View:
virtual int GetDragOperations(const gfx::Point& press_pt) = 0;
virtual bool InDrag() = 0;
protected:
Button* button() { return button_; }
private:
raw_ptr<Button> button_;
};
} // namespace views
#endif // UI_VIEWS_CONTROLS_BUTTON_BUTTON_CONTROLLER_DELEGATE_H_
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