chrome_application_mac.h

Enable keyboard shortcuts

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

// Copyright (c) 2009 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 BASE_CHROME_APPLICATION_MAC_H_

#define BASE_CHROME_APPLICATION_MAC_H_

#import <AppKit/AppKit.h>

#include "base/basictypes.h"

#include "base/scoped_nsobject.h"

// Event hooks must implement this protocol.

@protocol CrApplicationEventHookProtocol

- (void)hookForEvent:(NSEvent*)theEvent;

@end

@interface CrApplication : NSApplication {

 @private

  BOOL handlingSendEvent_;

  // Array of objects implementing the CrApplicationEventHookProtocol

  scoped_nsobject<NSMutableArray> eventHooks_;

@property(readonly, getter=isHandlingSendEvent, nonatomic)

    BOOL handlingSendEvent;

// Add or remove an event hook to be called for every sendEvent:

// that the application receives.  These handlers are called before

// the normal [NSApplication sendEvent:] call is made.

// This is not a good alternative to a nested event loop.  It should

// be used only when normal event logic and notification breaks down

// (e.g. when clicking outside a canBecomeKey:NO window to "switch

// context" out of it).

- (void)addEventHook:(id<CrApplicationEventHookProtocol>)hook;

- (void)removeEventHook:(id<CrApplicationEventHookProtocol>)hook;

+ (NSApplication*)sharedApplication;

@end

namespace chrome_application_mac {

// Controls the state of |handlingSendEvent_| in the event loop so that it is

// reset properly.

class ScopedSendingEvent {

 public:

  ScopedSendingEvent();

  ~ScopedSendingEvent();

 private:

  CrApplication* app_;

  BOOL handling_;

  DISALLOW_COPY_AND_ASSIGN(ScopedSendingEvent);

};

}  // namespace chrome_application_mac

#endif  // BASE_CHROME_APPLICATION_MAC_H_