/* -*- 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_
