base/mac/sdk_forward_declarations.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 // This file contains forward declarations for items in later SDKs than the
   6 // default one with which Chromium is built (currently 10.6).
   7 // If you call any function from this header, be sure to check at runtime for
   8 // respondsToSelector: before calling these functions (else your code will crash
   9 // on older OS X versions that chrome still supports).
  10
  11 #ifndef BASE_MAC_SDK_FORWARD_DECLARATIONS_H_
  12 #define BASE_MAC_SDK_FORWARD_DECLARATIONS_H_
  13
  14 #import <AppKit/AppKit.h>
  15
  16 #if !defined(MAC_OS_X_VERSION_10_7) || \
  17     MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
  18
  19 enum {
  20   NSEventPhaseNone        = 0, // event not associated with a phase.
  21   NSEventPhaseBegan       = 0x1 << 0,
  22   NSEventPhaseStationary  = 0x1 << 1,
  23   NSEventPhaseChanged     = 0x1 << 2,
  24   NSEventPhaseEnded       = 0x1 << 3,
  25   NSEventPhaseCancelled   = 0x1 << 4
  26 };
  27 typedef NSUInteger NSEventPhase;
  28
  29 enum {
  30   NSEventSwipeTrackingLockDirection = 0x1 << 0,
  31   NSEventSwipeTrackingClampGestureAmount = 0x1 << 1,
  32 };
  33 typedef NSUInteger NSEventSwipeTrackingOptions;
  34
  35 enum {
  36   NSWindowAnimationBehaviorDefault = 0,
  37   NSWindowAnimationBehaviorNone = 2,
  38   NSWindowAnimationBehaviorDocumentWindow = 3,
  39   NSWindowAnimationBehaviorUtilityWindow = 4,
  40   NSWindowAnimationBehaviorAlertPanel = 5
  41 };
  42 typedef NSInteger NSWindowAnimationBehavior;
  43
  44 @interface NSEvent (LionSDK)
  45 + (BOOL)isSwipeTrackingFromScrollEventsEnabled;
  46
  47 - (NSEventPhase)momentumPhase;
  48 - (NSEventPhase)phase;
  49 - (CGFloat)scrollingDeltaX;
  50 - (CGFloat)scrollingDeltaY;
  51 - (void)trackSwipeEventWithOptions:(NSEventSwipeTrackingOptions)options
  52           dampenAmountThresholdMin:(CGFloat)minDampenThreshold
  53                                max:(CGFloat)maxDampenThreshold
  54                       usingHandler:(void (^)(CGFloat gestureAmount,
  55                                              NSEventPhase phase,
  56                                              BOOL isComplete,
  57                                              BOOL *stop))trackingHandler;
  58
  59 - (BOOL)isDirectionInvertedFromDevice;
  60
  61 @end
  62
  63 @interface CALayer (LionAPI)
  64 - (CGFloat)contentsScale;
  65 - (void)setContentsScale:(CGFloat)contentsScale;
  66 @end
  67
  68 @interface NSScreen (LionSDK)
  69 - (CGFloat)backingScaleFactor;
  70 - (NSRect)convertRectToBacking:(NSRect)aRect;
  71 @end
  72
  73 @interface NSWindow (LionSDK)
  74 - (CGFloat)backingScaleFactor;
  75 - (NSWindowAnimationBehavior)animationBehavior;
  76 - (void)setAnimationBehavior:(NSWindowAnimationBehavior)newAnimationBehavior;
  77 @end
  78
  79 @interface NSAnimationContext (LionSDK)
  80 + (void)runAnimationGroup:(void (^)(NSAnimationContext *context))changes
  81         completionHandler:(void (^)(void))completionHandler;
  82 @end
  83
  84 #endif  // MAC_OS_X_VERSION_10_7
  85
  86 #if !defined(MAC_OS_X_VERSION_10_8) || \
  87     MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_8
  88 enum {
  89   NSEventPhaseMayBegin    = 0x1 << 5
  90 };
  91 #endif  // MAC_OS_X_VERSION_10_8
  92
  93 #endif  // BASE_MAC_SDK_FORWARD_DECLARATIONS_H_