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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_INTERFACE_H_
#define UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_INTERFACE_H_
#include "ui/views/controls/menu/menu_runner.h"
namespace views {
class MenuItemView;
namespace internal {
// An abstract interface for menu runner implementations.
// Invoke Release() to destroy. Release() deletes immediately if the menu isn't
// showing. If the menu is showing Release() cancels the menu and when the
// nested RunMenuAt() call returns deletes itself and the menu.
class MenuRunnerImplInterface {
public:
// Creates a concrete instance for running |menu_model|.
// |run_types| is a bitmask of MenuRunner::RunTypes.
static MenuRunnerImplInterface* Create(ui::MenuModel* menu_model,
int32 run_types);
// Returns true if we're in a nested message loop running the menu.
virtual bool IsRunning() const = 0;
// See description above class for details.
virtual void Release() = 0;
// Runs the menu. See MenuRunner::RunMenuAt for more details.
virtual MenuRunner::RunResult RunMenuAt(Widget* parent,
MenuButton* button,
const gfx::Rect& bounds,
MenuAnchorPosition anchor,
int32 run_types)
WARN_UNUSED_RESULT = 0;
// Hides and cancels the menu.
virtual void Cancel() = 0;
// Returns the time from the event which closed the menu - or 0.
virtual base::TimeDelta GetClosingEventTime() const = 0;
protected:
// Call Release() to delete.
virtual ~MenuRunnerImplInterface() {}
};
} // namespace internal
} // namespace views
#endif // UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_INTERFACE_H_
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