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// Copyright (c) 2012 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_MAC_COCOA_PROTOCOLS_H_
#define BASE_MAC_COCOA_PROTOCOLS_H_
#import <Cocoa/Cocoa.h>
// New Mac OS X SDKs introduce new protocols used for delegates. These
// protocol defintions aren't not present in earlier releases of the Mac OS X
// SDK. In order to support building against the new SDK, which requires
// delegates to conform to these protocols, and earlier SDKs, which do not
// define these protocols at all, this file will provide empty protocol
// definitions when used with earlier SDK versions.
#define DEFINE_EMPTY_PROTOCOL(p) \
@protocol p \
@end
#if !defined(MAC_OS_X_VERSION_10_7) || \
MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
DEFINE_EMPTY_PROTOCOL(NSDraggingDestination)
DEFINE_EMPTY_PROTOCOL(ICCameraDeviceDownloadDelegate)
#endif // MAC_OS_X_VERSION_10_7
#undef DEFINE_EMPTY_PROTOCOL
#endif // BASE_MAC_COCOA_PROTOCOLS_H_
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