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ash / public / cpp / back_gesture_contextual_nudge_controller.h [blame]
// Copyright 2020 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_PUBLIC_CPP_BACK_GESTURE_CONTEXTUAL_NUDGE_CONTROLLER_H_
#define ASH_PUBLIC_CPP_BACK_GESTURE_CONTEXTUAL_NUDGE_CONTROLLER_H_
#include "ash/public/cpp/ash_public_export.h"
namespace aura {
class Window;
}
namespace ash {
// Used by Chrome to notify the navigation status change and update back
// gesture contextual nudge Ui in ash.
class ASH_PUBLIC_EXPORT BackGestureContextualNudgeController {
public:
BackGestureContextualNudgeController() = default;
virtual ~BackGestureContextualNudgeController() = default;
// Called when |window|'s navigation entry changed.
virtual void NavigationEntryChanged(aura::Window* window) = 0;
};
} // namespace ash
#endif // ASH_PUBLIC_CPP_BACK_GESTURE_CONTEXTUAL_NUDGE_CONTROLLER_H_