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// 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 CHROME_COMMON_CHROME_APPLICATION_MAC_H_
#define CHROME_COMMON_CHROME_APPLICATION_MAC_H_
#pragma once
#if defined(__OBJC__)
#import <AppKit/AppKit.h>
#include "base/basictypes.h"
#include "base/message_pump_mac.h"
#include "base/scoped_nsobject.h"
// Event hooks must implement this protocol.
@protocol CrApplicationEventHookProtocol
- (void)hookForEvent:(NSEvent*)theEvent;
@end
@interface CrApplication : NSApplication<CrAppProtocol> {
@private
BOOL handlingSendEvent_;
// Array of objects implementing the CrApplicationEventHookProtocol
scoped_nsobject<NSMutableArray> eventHooks_;
}
- (BOOL)isHandlingSendEvent;
// 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 // defined(__OBJC__)
namespace chrome_application_mac {
// To be used to instantiate CrApplication from C++ code.
void RegisterCrApp();
} // namespace chrome_application_mac
#endif // CHROME_COMMON_CHROME_APPLICATION_MAC_H_
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