base/mac/sdk_forward_declarations.h

// 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.

// This file contains forward declarations for items in later SDKs than the
// default one with which Chromium is built (currently 10.10).
// If you call any function from this header, be sure to check at runtime for
// respondsToSelector: before calling these functions (else your code will crash
// on older OS X versions that chrome still supports).

#ifndef BASE_MAC_SDK_FORWARD_DECLARATIONS_H_
#define BASE_MAC_SDK_FORWARD_DECLARATIONS_H_

#import <AppKit/AppKit.h>
#import <CoreWLAN/CoreWLAN.h>
#import <ImageCaptureCore/ImageCaptureCore.h>
#import <IOBluetooth/IOBluetooth.h>
#include <stdint.h>

#include "base/base_export.h"

// ----------------------------------------------------------------------------
// Define typedefs, enums, and protocols not available in the version of the
// OSX SDK being compiled against.
// ----------------------------------------------------------------------------

#if !defined(MAC_OS_X_VERSION_10_11) || \
    MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_11

enum {
  NSPressureBehaviorUnknown = -1,
  NSPressureBehaviorPrimaryDefault = 0,
  NSPressureBehaviorPrimaryClick = 1,
  NSPressureBehaviorPrimaryGeneric = 2,
  NSPressureBehaviorPrimaryAccelerator = 3,
  NSPressureBehaviorPrimaryDeepClick = 5,
  NSPressureBehaviorPrimaryDeepDrag = 6
};
typedef NSInteger NSPressureBehavior;

@interface NSPressureConfiguration : NSObject
- (instancetype)initWithPressureBehavior:(NSPressureBehavior)pressureBehavior;
@end

enum {
  NSSpringLoadingHighlightNone = 0,
  NSSpringLoadingHighlightStandard,
  NSSpringLoadingHighlightEmphasized
};
typedef NSUInteger NSSpringLoadingHighlight;

#endif // MAC_OS_X_VERSION_10_11

// ----------------------------------------------------------------------------
// Define NSStrings only available in newer versions of the OSX SDK to force
// them to be statically linked.
// ----------------------------------------------------------------------------

extern "C" {
#if !defined(MAC_OS_X_VERSION_10_9) || \
    MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_9
BASE_EXPORT extern NSString* const NSWindowDidChangeOcclusionStateNotification;
BASE_EXPORT extern NSString* const CBAdvertisementDataOverflowServiceUUIDsKey;
BASE_EXPORT extern NSString* const CBAdvertisementDataIsConnectable;
#endif  // MAC_OS_X_VERSION_10_9

#if !defined(MAC_OS_X_VERSION_10_10) || \
    MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_10
BASE_EXPORT extern NSString* const NSUserActivityTypeBrowsingWeb;
BASE_EXPORT extern NSString* const NSAppearanceNameVibrantDark;
BASE_EXPORT extern NSString* const NSAppearanceNameVibrantLight;
#endif  // MAC_OS_X_VERSION_10_10
}  // extern "C"

// ----------------------------------------------------------------------------
// If compiling against an older version of the OSX SDK, declare classes and
// functions that are available in newer versions of the OSX SDK. If compiling
// against a newer version of the OSX SDK, redeclare those same classes and
// functions to suppress -Wpartial-availability warnings.
// ----------------------------------------------------------------------------

// Once Chrome no longer supports OSX 10.7, everything within this preprocessor
// block can be removed.
#if !defined(MAC_OS_X_VERSION_10_8) || \
    MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_8

@interface NSColor (MountainLionSDK)
- (CGColorRef)CGColor;
@end

@interface NSUUID (MountainLionSDK)
- (NSString*)UUIDString;
@end

@interface NSControl (MountainLionSDK)
@property BOOL allowsExpansionToolTips;
@end

// NSProgress is public API in 10.9, but a version of it exists and is usable
// in 10.8.
@class NSProgress;
@class NSAppearance;

#endif  // MAC_OS_X_VERSION_10_8

// Once Chrome no longer supports OSX 10.8, everything within this preprocessor
// block can be removed.
#if !defined(MAC_OS_X_VERSION_10_9) || \
    MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_9

@interface NSProgress (MavericksSDK)

- (instancetype)initWithParent:(NSProgress*)parentProgressOrNil
                      userInfo:(NSDictionary*)userInfoOrNil;
@property(copy) NSString* kind;

@property int64_t totalUnitCount;
@property int64_t completedUnitCount;

@property(getter=isCancellable) BOOL cancellable;
@property(getter=isPausable) BOOL pausable;
@property(readonly, getter=isCancelled) BOOL cancelled;
@property(readonly, getter=isPaused) BOOL paused;
@property(copy) void (^cancellationHandler)(void);
@property(copy) void (^pausingHandler)(void);
- (void)cancel;
- (void)pause;

- (void)setUserInfoObject:(id)objectOrNil forKey:(NSString*)key;
- (NSDictionary*)userInfo;

@property(readonly, getter=isIndeterminate) BOOL indeterminate;
@property(readonly) double fractionCompleted;

- (void)publish;
- (void)unpublish;

@end

@interface NSScreen (MavericksSDK)
+ (BOOL)screensHaveSeparateSpaces;
@end

@interface NSView (MavericksSDK)
- (void)setCanDrawSubviewsIntoLayer:(BOOL)flag;
- (void)setAppearance:(NSAppearance*)appearance;
- (NSAppearance*)effectiveAppearance;
@end

@interface NSWindow (MavericksSDK)
- (NSWindowOcclusionState)occlusionState;
@end

@interface NSAppearance (MavericksSDK)
+ (id<NSObject>)appearanceNamed:(NSString*)name;
@end

@interface CBPeripheral (MavericksSDK)
@property(readonly, nonatomic) NSUUID* identifier;
@end

@interface NSVisualEffectView (MavericksSDK)
- (void)setState:(NSVisualEffectState)state;
@end

@class NSVisualEffectView;

@class NSUserActivity;

#endif  // MAC_OS_X_VERSION_10_9

// Once Chrome no longer supports OSX 10.9, everything within this preprocessor
// block can be removed.
#if !defined(MAC_OS_X_VERSION_10_10) || \
    MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_10

@interface NSUserActivity (YosemiteSDK)

@property(readonly, copy) NSString* activityType;
@property(copy) NSDictionary* userInfo;
@property(copy) NSURL* webpageURL;

- (instancetype)initWithActivityType:(NSString*)activityType;
- (void)becomeCurrent;
- (void)invalidate;

@end

@interface CBUUID (YosemiteSDK)
- (NSString*)UUIDString;
@end

@interface NSViewController (YosemiteSDK)
- (void)viewDidLoad;
@end

@interface NSWindow (YosemiteSDK)
- (void)setTitlebarAppearsTransparent:(BOOL)flag;
@end

@interface NSProcessInfo (YosemiteSDK)
@property(readonly) NSOperatingSystemVersion operatingSystemVersion;
@end

#endif  // MAC_OS_X_VERSION_10_10

// Once Chrome no longer supports OSX 10.10.2, everything within this
// preprocessor block can be removed.
#if !defined(MAC_OS_X_VERSION_10_10_3) || \
    MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_10_3

@interface NSEvent (YosemiteSDK)
@property(readonly) NSInteger stage;
@end

@interface NSView (YosemiteSDK)
- (void)setPressureConfiguration:(NSPressureConfiguration*)aConfiguration;
@end

#endif  // MAC_OS_X_VERSION_10_10

// ----------------------------------------------------------------------------
// The symbol for kCWSSIDDidChangeNotification is available in the
// CoreWLAN.framework for OSX versions 10.6 through 10.10. The symbol is not
// declared in the OSX 10.9+ SDK, so when compiling against an OSX 10.9+ SDK,
// declare the symbol.
// ----------------------------------------------------------------------------
BASE_EXPORT extern "C" NSString* const kCWSSIDDidChangeNotification;

#endif  // BASE_MAC_SDK_FORWARD_DECLARATIONS_H_