base/mac/cocoa_protocols.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef BASE_COCOA_PROTOCOLS_MAC_H_
   6 #define BASE_COCOA_PROTOCOLS_MAC_H_
   7 #pragma once
   8
   9 #import <Cocoa/Cocoa.h>
  10
  11 // GTM also maintinas a list of empty protocols, but only the ones the library
  12 // requires. Augment that below.
  13 #import "third_party/GTM/GTMDefines.h"
  14
  15 // The Mac OS X 10.6 SDK introduced new protocols used for delegates.  These
  16 // protocol defintions were not present in earlier releases of the Mac OS X
  17 // SDK.  In order to support building against the new SDK, which requires
  18 // delegates to conform to these protocols, and earlier SDKs, which do not
  19 // define these protocols at all, this file will provide empty protocol
  20 // definitions when used with earlier SDK versions.
  21
  22 #define DEFINE_EMPTY_PROTOCOL(p) \
  23 @protocol p \
  24 @end
  25
  26 #if !defined(MAC_OS_X_VERSION_10_6) || \
  27     MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
  28
  29 DEFINE_EMPTY_PROTOCOL(NSAlertDelegate)
  30 DEFINE_EMPTY_PROTOCOL(NSApplicationDelegate)
  31 DEFINE_EMPTY_PROTOCOL(NSControlTextEditingDelegate)
  32 DEFINE_EMPTY_PROTOCOL(NSMatrixDelegate)
  33 DEFINE_EMPTY_PROTOCOL(NSMenuDelegate)
  34 DEFINE_EMPTY_PROTOCOL(NSOpenSavePanelDelegate)
  35 DEFINE_EMPTY_PROTOCOL(NSOutlineViewDataSource)
  36 DEFINE_EMPTY_PROTOCOL(NSOutlineViewDelegate)
  37 DEFINE_EMPTY_PROTOCOL(NSSpeechSynthesizerDelegate)
  38 DEFINE_EMPTY_PROTOCOL(NSSplitViewDelegate)
  39 DEFINE_EMPTY_PROTOCOL(NSTableViewDataSource)
  40 DEFINE_EMPTY_PROTOCOL(NSTableViewDelegate)
  41 DEFINE_EMPTY_PROTOCOL(NSTextFieldDelegate)
  42 DEFINE_EMPTY_PROTOCOL(NSTextViewDelegate)
  43 DEFINE_EMPTY_PROTOCOL(NSWindowDelegate)
  44
  45 #endif  // MAC_OS_X_VERSION_10_6
  46
  47 #if !defined(MAC_OS_X_VERSION_10_8) || \
  48     MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_8
  49
  50 DEFINE_EMPTY_PROTOCOL(NSUserNotificationCenterDelegate)
  51
  52 #endif  // MAC_OS_X_VERSION_10_6
  53
  54 #undef DEFINE_EMPTY_PROTOCOL
  55
  56 #endif  // BASE_COCOA_PROTOCOLS_MAC_H_