electron/shell/browser/ui/cocoa/atom_menu_controller.h
2019-06-19 17:33:28 -07:00

62 lines
2.1 KiB
Objective-C

// Copyright (c) 2013 GitHub, Inc.
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ATOM_BROWSER_UI_COCOA_ATOM_MENU_CONTROLLER_H_
#define ATOM_BROWSER_UI_COCOA_ATOM_MENU_CONTROLLER_H_
#import <Cocoa/Cocoa.h>
#include "base/callback.h"
#include "base/mac/scoped_nsobject.h"
#include "base/strings/string16.h"
namespace atom {
class AtomMenuModel;
}
// A controller for the cross-platform menu model. The menu that's created
// has the tag and represented object set for each menu item. The object is a
// NSValue holding a pointer to the model for that level of the menu (to
// allow for hierarchical menus). The tag is the index into that model for
// that particular item. It is important that the model outlives this object
// as it only maintains weak references.
@interface AtomMenuController : NSObject <NSMenuDelegate> {
@protected
atom::AtomMenuModel* model_; // weak
base::scoped_nsobject<NSMenu> menu_;
BOOL isMenuOpen_;
BOOL useDefaultAccelerator_;
base::Callback<void()> closeCallback;
}
@property(nonatomic, assign) atom::AtomMenuModel* model;
// Builds a NSMenu from the pre-built model (must not be nil). Changes made
// to the contents of the model after calling this will not be noticed.
- (id)initWithModel:(atom::AtomMenuModel*)model useDefaultAccelerator:(BOOL)use;
- (void)setCloseCallback:(const base::Callback<void()>&)callback;
// Populate current NSMenu with |model|.
- (void)populateWithModel:(atom::AtomMenuModel*)model;
// Programmatically close the constructed menu.
- (void)cancel;
// Access to the constructed menu if the complex initializer was used. If the
// default initializer was used, then this will create the menu on first call.
- (NSMenu*)menu;
// Whether the menu is currently open.
- (BOOL)isMenuOpen;
// NSMenuDelegate methods this class implements. Subclasses should call super
// if extending the behavior.
- (void)menuWillOpen:(NSMenu*)menu;
- (void)menuDidClose:(NSMenu*)menu;
@end
#endif // ATOM_BROWSER_UI_COCOA_ATOM_MENU_CONTROLLER_H_