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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This file contains forward declarations for items in later SDKs than the
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// default one with which Chromium is built (currently 10.6).
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// If you call any function from this header, be sure to check at runtime for
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// respondsToSelector: before calling these functions (else your code will crash
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// on older OS X versions that chrome still supports).
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#ifndef BASE_MAC_SDK_FORWARD_DECLARATIONS_H_
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#define BASE_MAC_SDK_FORWARD_DECLARATIONS_H_
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#import <AppKit/AppKit.h>
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#if !defined(MAC_OS_X_VERSION_10_7) || \
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MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
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NSEventPhaseNone = 0, // event not associated with a phase.
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NSEventPhaseBegan = 0x1 << 0,
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NSEventPhaseStationary = 0x1 << 1,
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NSEventPhaseChanged = 0x1 << 2,
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NSEventPhaseEnded = 0x1 << 3,
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NSEventPhaseCancelled = 0x1 << 4
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typedef NSUInteger NSEventPhase;
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NSEventSwipeTrackingLockDirection = 0x1 << 0,
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NSEventSwipeTrackingClampGestureAmount = 0x1 << 1,
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typedef NSUInteger NSEventSwipeTrackingOptions;
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NSWindowAnimationBehaviorDefault = 0,
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NSWindowAnimationBehaviorNone = 2,
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NSWindowAnimationBehaviorDocumentWindow = 3,
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NSWindowAnimationBehaviorUtilityWindow = 4,
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NSWindowAnimationBehaviorAlertPanel = 5
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typedef NSInteger NSWindowAnimationBehavior;
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@interface NSEvent (LionSDK)
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+ (BOOL)isSwipeTrackingFromScrollEventsEnabled;
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- (NSEventPhase)momentumPhase;
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- (NSEventPhase)phase;
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- (CGFloat)scrollingDeltaX;
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- (CGFloat)scrollingDeltaY;
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- (void)trackSwipeEventWithOptions:(NSEventSwipeTrackingOptions)options
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dampenAmountThresholdMin:(CGFloat)minDampenThreshold
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max:(CGFloat)maxDampenThreshold
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usingHandler:(void (^)(CGFloat gestureAmount,
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BOOL *stop))trackingHandler;
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- (BOOL)isDirectionInvertedFromDevice;
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@interface CALayer (LionAPI)
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- (CGFloat)contentsScale;
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- (void)setContentsScale:(CGFloat)contentsScale;
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@interface NSScreen (LionSDK)
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- (CGFloat)backingScaleFactor;
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- (NSRect)convertRectToBacking:(NSRect)aRect;
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@interface NSWindow (LionSDK)
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- (CGFloat)backingScaleFactor;
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- (NSWindowAnimationBehavior)animationBehavior;
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- (void)setAnimationBehavior:(NSWindowAnimationBehavior)newAnimationBehavior;
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@interface NSAnimationContext (LionSDK)
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+ (void)runAnimationGroup:(void (^)(NSAnimationContext *context))changes
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completionHandler:(void (^)(void))completionHandler;
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#endif // MAC_OS_X_VERSION_10_7
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#if !defined(MAC_OS_X_VERSION_10_8) || \
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MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_8
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NSEventPhaseMayBegin = 0x1 << 5
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#endif // MAC_OS_X_VERSION_10_8
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#endif // BASE_MAC_SDK_FORWARD_DECLARATIONS_H_