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// Copyright 2018 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_MENU_MENU_COCOA_WATCHER_MAC_H_
#define UI_VIEWS_CONTROLS_MENU_MENU_COCOA_WATCHER_MAC_H_
#include <memory>
#include "base/functional/callback.h"
#include "ui/views/views_export.h"
namespace views {
enum class MacNotificationFilter {
DontIgnoreNotifications,
IgnoreWorkspaceNotifications,
IgnoreAllNotifications
};
// This class executes a callback when a native menu begins tracking, or when a
// new window takes focus. With native menus, each one automatically closes when
// a new one begins tracking, and MenuPreTargetHandlerAura::OnWindowActivated()
// closes menus when new windows take focus. This allows Views menus to have the
// correct behavior.
class VIEWS_EXPORT MenuCocoaWatcherMac {
public:
// Forces all MenuCocoaWatcherMac instances to ignore certain NSNotifications.
static void SetNotificationFilterForTesting(MacNotificationFilter filter);
explicit MenuCocoaWatcherMac(base::OnceClosure callback);
MenuCocoaWatcherMac(const MenuCocoaWatcherMac&) = delete;
MenuCocoaWatcherMac& operator=(const MenuCocoaWatcherMac&) = delete;
~MenuCocoaWatcherMac();
private:
void ExecuteCallback();
// The closure to call when the notification comes in.
base::OnceClosure callback_;
struct ObjCStorage;
std::unique_ptr<ObjCStorage> objc_storage_;
};
} // namespace views
#endif // UI_VIEWS_CONTROLS_MENU_MENU_COCOA_WATCHER_MAC_H_
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