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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.
// This file contains forward declarations for items in later SDKs than the
// default one with which Chromium is built (currently 10.6).
// 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>
#if !defined(MAC_OS_X_VERSION_10_7) || \
MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
enum {
NSEventPhaseNone = 0, // event not associated with a phase.
NSEventPhaseBegan = 0x1 << 0,
NSEventPhaseStationary = 0x1 << 1,
NSEventPhaseChanged = 0x1 << 2,
NSEventPhaseEnded = 0x1 << 3,
NSEventPhaseCancelled = 0x1 << 4,
NSEventPhaseMayBegin = 0x1 << 5
};
typedef NSUInteger NSEventPhase;
enum {
NSEventSwipeTrackingLockDirection = 0x1 << 0,
NSEventSwipeTrackingClampGestureAmount = 0x1 << 1,
};
typedef NSUInteger NSEventSwipeTrackingOptions;
enum {
NSWindowAnimationBehaviorDefault = 0,
NSWindowAnimationBehaviorNone = 2,
NSWindowAnimationBehaviorDocumentWindow = 3,
NSWindowAnimationBehaviorUtilityWindow = 4,
NSWindowAnimationBehaviorAlertPanel = 5
};
typedef NSInteger NSWindowAnimationBehavior;
@interface NSEvent (LionSDK)
+ (BOOL)isSwipeTrackingFromScrollEventsEnabled;
- (NSEventPhase)momentumPhase;
- (NSEventPhase)phase;
- (CGFloat)scrollingDeltaX;
- (CGFloat)scrollingDeltaY;
- (void)trackSwipeEventWithOptions:(NSEventSwipeTrackingOptions)options
dampenAmountThresholdMin:(CGFloat)minDampenThreshold
max:(CGFloat)maxDampenThreshold
usingHandler:(void (^)(CGFloat gestureAmount,
NSEventPhase phase,
BOOL isComplete,
BOOL *stop))trackingHandler;
- (BOOL)isDirectionInvertedFromDevice;
@end
@interface CALayer (LionAPI)
- (CGFloat)contentsScale;
- (void)setContentsScale:(CGFloat)contentsScale;
@end
@interface NSScreen (LionSDK)
- (CGFloat)backingScaleFactor;
- (NSRect)convertRectToBacking:(NSRect)aRect;
@end
@interface NSWindow (LionSDK)
- (CGFloat)backingScaleFactor;
- (NSWindowAnimationBehavior)animationBehavior;
- (void)setAnimationBehavior:(NSWindowAnimationBehavior)newAnimationBehavior;
@end
#endif // MAC_OS_X_VERSION_10_7
#endif // BASE_MAC_SDK_FORWARD_DECLARATIONS_H_
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