path: root/third_party/apple_webkit/WebKitSystemInterface.h

/*      
    WebKitSystemInterface.h
    Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.

    Public header file.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1.  Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
2.  Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#import <Cocoa/Cocoa.h>
#import <Carbon/Carbon.h>

@class AVAsset;
@class QTMovie;
@class QTMovieView;

#ifdef __cplusplus
extern "C" {
#endif

typedef struct _CFURLResponse* CFURLResponseRef;
typedef const struct _CFURLRequest* CFURLRequestRef;
typedef struct _CFURLRequest* CFMutableURLRequestRef;

typedef struct _CFURLCredential* WKCFURLCredentialRef;
typedef struct _CFURLProtectionSpace* CFURLProtectionSpaceRef;

typedef enum {
    WKCertificateParseResultSucceeded  = 0,
    WKCertificateParseResultFailed     = 1,
    WKCertificateParseResultPKCS7      = 2,
} WKCertificateParseResult;

CFStringRef WKCopyCFLocalizationPreferredName(CFStringRef localization);
void WKSetDefaultLocalization(CFStringRef localization);

CFStringRef WKSignedPublicKeyAndChallengeString(unsigned keySize, CFStringRef challenge, CFStringRef keyDescription);
WKCertificateParseResult WKAddCertificatesToKeychainFromData(const void *bytes, unsigned length);

NSString *WKGetPreferredExtensionForMIMEType(NSString *type);
NSArray *WKGetExtensionsForMIMEType(NSString *type);
NSString *WKGetMIMETypeForExtension(NSString *extension);

NSDate *WKGetNSURLResponseLastModifiedDate(NSURLResponse *response);
NSTimeInterval WKGetNSURLResponseFreshnessLifetime(NSURLResponse *response);
NSString *WKCopyNSURLResponseStatusLine(NSURLResponse *response);

#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
CFArrayRef WKCopyNSURLResponseCertificateChain(NSURLResponse *response);
#endif

CFStringEncoding WKGetWebDefaultCFStringEncoding(void);

void WKSetMetadataURL(NSString *URLString, NSString *referrer, NSString *path);
void WKSetNSURLConnectionDefersCallbacks(NSURLConnection *connection, BOOL defers);

void WKShowKeyAndMain(void);
#ifndef __LP64__
OSStatus WKSyncWindowWithCGAfterMove(WindowRef);
unsigned WKCarbonWindowMask(void);
void *WKGetNativeWindowFromWindowRef(WindowRef);
OSType WKCarbonWindowPropertyCreator(void);
OSType WKCarbonWindowPropertyTag(void);
#endif

typedef id WKNSURLConnectionDelegateProxyPtr;

WKNSURLConnectionDelegateProxyPtr WKCreateNSURLConnectionDelegateProxy(void);

void WKDisableCGDeferredUpdates(void);

Class WKNSURLProtocolClassForRequest(NSURLRequest *request);
void WKSetNSURLRequestShouldContentSniff(NSMutableURLRequest *request, BOOL shouldContentSniff);

void WKSetCookieStoragePrivateBrowsingEnabled(BOOL enabled);

unsigned WKGetNSAutoreleasePoolCount(void);

void WKAdvanceDefaultButtonPulseAnimation(NSButtonCell *button);

NSString *WKMouseMovedNotification(void);
NSString *WKWindowWillOrderOnScreenNotification(void);
NSString *WKWindowWillOrderOffScreenNotification(void);
void WKSetNSWindowShouldPostEventNotifications(NSWindow *window, BOOL post);

CFTypeID WKGetAXTextMarkerTypeID(void);
CFTypeID WKGetAXTextMarkerRangeTypeID(void);
CFTypeRef WKCreateAXTextMarker(const void *bytes, size_t len);
BOOL WKGetBytesFromAXTextMarker(CFTypeRef textMarker, void *bytes, size_t length);
CFTypeRef WKCreateAXTextMarkerRange(CFTypeRef start, CFTypeRef end);
CFTypeRef WKCopyAXTextMarkerRangeStart(CFTypeRef range);
CFTypeRef WKCopyAXTextMarkerRangeEnd(CFTypeRef range);
void WKAccessibilityHandleFocusChanged(void);
AXUIElementRef WKCreateAXUIElementRef(id element);
void WKUnregisterUniqueIdForElement(id element);


#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
// Remote Accessibility API.
void WKAXRegisterRemoteApp(void);
void WKAXInitializeElementWithPresenterPid(id, pid_t);
NSData *WKAXRemoteTokenForElement(id);
id WKAXRemoteElementForToken(NSData *);
void WKAXSetWindowForRemoteElement(id remoteWindow, id remoteElement);
void WKAXRegisterRemoteProcess(bool registerProcess, pid_t);
pid_t WKAXRemoteProcessIdentifier(id remoteElement);
#endif

void WKSetUpFontCache(void);

void WKSignalCFReadStreamEnd(CFReadStreamRef stream);
void WKSignalCFReadStreamHasBytes(CFReadStreamRef stream);
void WKSignalCFReadStreamError(CFReadStreamRef stream, CFStreamError *error);

CFReadStreamRef WKCreateCustomCFReadStream(void *(*formCreate)(CFReadStreamRef, void *), 
    void (*formFinalize)(CFReadStreamRef, void *), 
    Boolean (*formOpen)(CFReadStreamRef, CFStreamError *, Boolean *, void *), 
    CFIndex (*formRead)(CFReadStreamRef, UInt8 *, CFIndex, CFStreamError *, Boolean *, void *), 
    Boolean (*formCanRead)(CFReadStreamRef, void *), 
    void (*formClose)(CFReadStreamRef, void *), 
    void (*formSchedule)(CFReadStreamRef, CFRunLoopRef, CFStringRef, void *), 
    void (*formUnschedule)(CFReadStreamRef, CFRunLoopRef, CFStringRef, void *),
    void *context);

void WKDrawCapsLockIndicator(CGContextRef, CGRect);

void WKDrawFocusRing(CGContextRef context, CGColorRef color, int radius);
    // The CG context's current path is the focus ring's path.
    // A color of 0 means "use system focus ring color".
    // A radius of 0 means "use default focus ring radius".

void WKSetDragImage(NSImage *image, NSPoint offset);

void WKDrawBezeledTextFieldCell(NSRect, BOOL enabled);
void WKDrawTextFieldCellFocusRing(NSTextFieldCell*, NSRect);
void WKDrawBezeledTextArea(NSRect, BOOL enabled);
void WKPopupMenu(NSMenu*, NSPoint location, float width, NSView*, int selectedItem, NSFont*);
void WKPopupContextMenu(NSMenu *menu, NSPoint screenLocation);
void WKSendUserChangeNotifications(void);
#ifndef __LP64__
BOOL WKConvertNSEventToCarbonEvent(EventRecord *carbonEvent, NSEvent *cocoaEvent);
void WKSendKeyEventToTSM(NSEvent *theEvent);
void WKCallDrawingNotification(CGrafPtr port, Rect *bounds);
#endif

BOOL WKGetGlyphTransformedAdvances(CGFontRef, NSFont*, CGAffineTransform *m, ATSGlyphRef *glyph, CGSize *advance);
NSFont *WKGetFontInLanguageForRange(NSFont *font, NSString *string, NSRange range);
NSFont *WKGetFontInLanguageForCharacter(NSFont *font, UniChar ch);
void WKSetCGFontRenderingMode(CGContextRef cgContext, NSFont *font);
BOOL WKCGContextGetShouldSmoothFonts(CGContextRef cgContext);


void WKSetBaseCTM(CGContextRef, CGAffineTransform);
void WKSetPatternPhaseInUserSpace(CGContextRef, CGPoint);
CGAffineTransform WKGetUserToBaseCTM(CGContextRef);

void WKGetGlyphsForCharacters(CGFontRef, const UniChar[], CGGlyph[], size_t);
bool WKGetVerticalGlyphsForCharacters(CTFontRef, const UniChar[], CGGlyph[], size_t);

CTLineRef WKCreateCTLineWithUniCharProvider(const UniChar* (*provide)(CFIndex stringIndex, CFIndex* charCount, CFDictionaryRef* attributes, void*), void (*dispose)(const UniChar* chars, void*), void*);
#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
CTTypesetterRef WKCreateCTTypesetterWithUniCharProviderAndOptions(const UniChar* (*provide)(CFIndex stringIndex, CFIndex* charCount, CFDictionaryRef* attributes, void*), void (*dispose)(const UniChar* chars, void*), void*, CFDictionaryRef options);

CGContextRef WKIOSurfaceContextCreate(IOSurfaceRef, unsigned width, unsigned height, CGColorSpaceRef);
CGImageRef WKIOSurfaceContextCreateImage(CGContextRef context);
#endif

typedef enum {
    WKPatternTilingNoDistortion,
    WKPatternTilingConstantSpacingMinimalDistortion,
    WKPatternTilingConstantSpacing
} WKPatternTiling;

CGPatternRef WKCGPatternCreateWithImageAndTransform(CGImageRef image, CGAffineTransform transform, int tiling);
void WKCGContextResetClip(CGContextRef);

#ifndef __LP64__
NSEvent *WKCreateNSEventWithCarbonEvent(EventRef eventRef);
NSEvent *WKCreateNSEventWithCarbonMouseMoveEvent(EventRef inEvent, NSWindow *window);
NSEvent *WKCreateNSEventWithCarbonClickEvent(EventRef inEvent, WindowRef windowRef);
#endif

CGContextRef WKNSWindowOverrideCGContext(NSWindow *, CGContextRef);
void WKNSWindowRestoreCGContext(NSWindow *, CGContextRef);

void WKNSWindowMakeBottomCornersSquare(NSWindow *);

// These constants match the ones used by ThemeScrollbarArrowStyle (some of the values are private, so we can't just
// use that enum directly).
typedef enum {
    WKThemeScrollBarArrowsSingle     = 0,
    WKThemeScrollBarArrowsLowerRight = 1,
    WKThemeScrollBarArrowsDouble     = 2,
    WKThemeScrollBarArrowsUpperLeft  = 3,
} WKThemeScrollBarArrowStyle;

OSStatus WKThemeDrawTrack(const HIThemeTrackDrawInfo* inDrawInfo, CGContextRef inContext, int inArrowStyle);


BOOL WKCGContextIsBitmapContext(CGContextRef context);

void WKGetWheelEventDeltas(NSEvent *, float *deltaX, float *deltaY, BOOL *continuous);

BOOL WKAppVersionCheckLessThan(NSString *, int, double);

typedef enum {
    WKMovieTypeUnknown,
    WKMovieTypeDownload,
    WKMovieTypeStoredStream,
    WKMovieTypeLiveStream
} WKMovieType;

int WKQTMovieGetType(QTMovie* movie);

BOOL WKQTMovieHasClosedCaptions(QTMovie* movie);
void WKQTMovieSetShowClosedCaptions(QTMovie* movie, BOOL showClosedCaptions);
void WKQTMovieSelectPreferredAlternates(QTMovie* movie);
void WKQTMovieSelectPreferredAlternateTrackForMediaType(QTMovie* movie, NSString* mediaType);

unsigned WKQTIncludeOnlyModernMediaFileTypes(void);
int WKQTMovieDataRate(QTMovie* movie);
float WKQTMovieMaxTimeLoaded(QTMovie* movie);
float WKQTMovieMaxTimeSeekable(QTMovie* movie);
NSString *WKQTMovieMaxTimeLoadedChangeNotification(void);
void WKQTMovieViewSetDrawSynchronously(QTMovieView* view, BOOL sync);
void WKQTMovieDisableComponent(uint32_t[5]);
NSURL *WKQTMovieResolvedURL(QTMovie* movie);

CFStringRef WKCopyFoundationCacheDirectory(void);

#if MAC_OS_X_VERSION_MIN_REQUIRED <= 1060
typedef struct __CFURLStorageSession* CFURLStorageSessionRef;
#else
typedef const struct __CFURLStorageSession* CFURLStorageSessionRef;
#endif
CFURLStorageSessionRef WKCreatePrivateStorageSession(CFStringRef);
NSURLRequest *WKCopyRequestWithStorageSession(CFURLStorageSessionRef, NSURLRequest*);
NSCachedURLResponse *WKCachedResponseForRequest(CFURLStorageSessionRef, NSURLRequest*);
void WKSetRequestStorageSession(CFURLStorageSessionRef, CFMutableURLRequestRef);

typedef struct OpaqueCFHTTPCookieStorage* CFHTTPCookieStorageRef;
CFHTTPCookieStorageRef WKCopyHTTPCookieStorage(CFURLStorageSessionRef);
unsigned WKGetHTTPCookieAcceptPolicy(CFHTTPCookieStorageRef);
void WKSetHTTPCookieAcceptPolicy(CFHTTPCookieStorageRef, unsigned policy);
NSArray *WKHTTPCookiesForURL(CFHTTPCookieStorageRef, NSURL *);
void WKSetHTTPCookiesForURL(CFHTTPCookieStorageRef, NSArray *, NSURL *, NSURL *);
void WKDeleteHTTPCookie(CFHTTPCookieStorageRef, NSHTTPCookie *);

CFHTTPCookieStorageRef WKGetDefaultHTTPCookieStorage(void);
WKCFURLCredentialRef WKCopyCredentialFromCFPersistentStorage(CFURLProtectionSpaceRef);
void WKSetCFURLRequestShouldContentSniff(CFMutableURLRequestRef, bool flag);
CFArrayRef WKCFURLRequestCopyHTTPRequestBodyParts(CFURLRequestRef);
void WKCFURLRequestSetHTTPRequestBodyParts(CFMutableURLRequestRef, CFArrayRef bodyParts);

void WKSetVisibleApplicationName(CFStringRef);

typedef enum {
    WKMediaUIPartFullscreenButton   = 0,
    WKMediaUIPartMuteButton,
    WKMediaUIPartPlayButton,
    WKMediaUIPartSeekBackButton,
    WKMediaUIPartSeekForwardButton,
    WKMediaUIPartTimelineSlider,
    WKMediaUIPartTimelineSliderThumb,
    WKMediaUIPartRewindButton,
    WKMediaUIPartSeekToRealtimeButton,
    WKMediaUIPartShowClosedCaptionsButton,
    WKMediaUIPartHideClosedCaptionsButton,
    WKMediaUIPartUnMuteButton,
    WKMediaUIPartPauseButton,
    WKMediaUIPartBackground,
    WKMediaUIPartCurrentTimeDisplay,
    WKMediaUIPartTimeRemainingDisplay,
    WKMediaUIPartStatusDisplay,
    WKMediaUIPartControlsPanel,
    WKMediaUIPartVolumeSliderContainer,
    WKMediaUIPartVolumeSlider,
    WKMediaUIPartVolumeSliderThumb
} WKMediaUIPart;

typedef enum {
    WKMediaControllerThemeClassic   = 1,
    WKMediaControllerThemeQuickTime = 2
} WKMediaControllerThemeStyle;

typedef enum {
    WKMediaControllerFlagDisabled = 1 << 0,
    WKMediaControllerFlagPressed = 1 << 1,
    WKMediaControllerFlagDrawEndCaps = 1 << 3,
    WKMediaControllerFlagFocused = 1 << 4
} WKMediaControllerThemeState;

BOOL WKMediaControllerThemeAvailable(int themeStyle);
BOOL WKHitTestMediaUIPart(int part, int themeStyle, CGRect bounds, CGPoint point);
void WKMeasureMediaUIPart(int part, int themeStyle, CGRect *bounds, CGSize *naturalSize);
void WKDrawMediaUIPart(int part, int themeStyle, CGContextRef context, CGRect rect, unsigned state);
void WKDrawMediaSliderTrack(int themeStyle, CGContextRef context, CGRect rect, float timeLoaded, float currentTime, float duration, unsigned state);
NSView *WKCreateMediaUIBackgroundView(void);

typedef enum {
    WKMediaUIControlTimeline,
    WKMediaUIControlSlider,
    WKMediaUIControlPlayPauseButton,
    WKMediaUIControlExitFullscreenButton,
    WKMediaUIControlRewindButton,
    WKMediaUIControlFastForwardButton,
    WKMediaUIControlVolumeUpButton,
    WKMediaUIControlVolumeDownButton
} WKMediaUIControlType;
    
NSControl *WKCreateMediaUIControl(int controlType);

NSArray *WKQTGetSitesInMediaDownloadCache();
void WKQTClearMediaDownloadCacheForSite(NSString *site);
void WKQTClearMediaDownloadCache();
    
#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
mach_port_t WKInitializeRenderServer(void);
    
@class CALayer;

CALayer *WKMakeRenderLayer(uint32_t contextID);
    
typedef struct __WKSoftwareCARendererRef *WKSoftwareCARendererRef;

WKSoftwareCARendererRef WKSoftwareCARendererCreate(uint32_t contextID);
void WKSoftwareCARendererDestroy(WKSoftwareCARendererRef);
void WKSoftwareCARendererRender(WKSoftwareCARendererRef, CGContextRef, CGRect);

typedef struct __WKCARemoteLayerClientRef *WKCARemoteLayerClientRef;

WKCARemoteLayerClientRef WKCARemoteLayerClientMakeWithServerPort(mach_port_t port);
void WKCARemoteLayerClientInvalidate(WKCARemoteLayerClientRef);
uint32_t WKCARemoteLayerClientGetClientId(WKCARemoteLayerClientRef);
void WKCARemoteLayerClientSetLayer(WKCARemoteLayerClientRef, CALayer *);
CALayer *WKCARemoteLayerClientGetLayer(WKCARemoteLayerClientRef);

@class CARenderer;

void WKCARendererAddChangeNotificationObserver(CARenderer *, void (*callback)(void*), void* context);
void WKCARendererRemoveChangeNotificationObserver(CARenderer *, void (*callback)(void*), void* context);

typedef struct __WKWindowBounceAnimationContext *WKWindowBounceAnimationContextRef;

WKWindowBounceAnimationContextRef WKWindowBounceAnimationContextCreate(NSWindow *window);
void WKWindowBounceAnimationContextDestroy(WKWindowBounceAnimationContextRef context);
void WKWindowBounceAnimationSetAnimationProgress(WKWindowBounceAnimationContextRef context, double animationProgress);

#if defined(__x86_64__)
#import <mach/mig.h>
CFRunLoopSourceRef WKCreateMIGServerSource(mig_subsystem_t subsystem, mach_port_t serverPort);
#endif // defined(__x86_64__)

NSUInteger WKGetInputPanelWindowStyle(void);
UInt8 WKGetNSEventKeyChar(NSEvent *);
#endif // MAC_OS_X_VERSION_MIN_REQUIRED >= 1060

@class CAPropertyAnimation;
void WKSetCAAnimationValueFunction(CAPropertyAnimation*, NSString* function);

unsigned WKInitializeMaximumHTTPConnectionCountPerHost(unsigned preferredConnectionCount);
int WKGetHTTPPipeliningPriority(CFURLRequestRef);
void WKSetHTTPPipeliningMaximumPriority(int maximumPriority);
void WKSetHTTPPipeliningPriority(CFURLRequestRef, int priority);
void WKSetHTTPPipeliningMinimumFastLanePriority(int priority);

void WKSetCONNECTProxyForStream(CFReadStreamRef, CFStringRef proxyHost, CFNumberRef proxyPort);
void WKSetCONNECTProxyAuthorizationForStream(CFReadStreamRef, CFStringRef proxyAuthorizationString);
CFHTTPMessageRef WKCopyCONNECTProxyResponse(CFReadStreamRef, CFURLRef responseURL);

#if MAC_OS_X_VERSION_MIN_REQUIRED <= 1060
typedef enum {
    WKEventPhaseNone = 0,
    WKEventPhaseBegan = 1,
    WKEventPhaseChanged = 2,
    WKEventPhaseEnded = 3,
} WKEventPhase;

int WKGetNSEventMomentumPhase(NSEvent *);
#endif

void WKWindowSetAlpha(NSWindow *window, float alphaValue);
void WKWindowSetScaledFrame(NSWindow *window, NSRect scaleFrame, NSRect nonScaledFrame);

#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
void WKSyncSurfaceToView(NSView *view);

void WKEnableSettingCursorWhenInBackground(void);

CFDictionaryRef WKNSURLRequestCreateSerializableRepresentation(NSURLRequest *request, CFTypeRef tokenNull);
NSURLRequest *WKNSURLRequestFromSerializableRepresentation(CFDictionaryRef representation, CFTypeRef tokenNull);

CFDictionaryRef WKNSURLResponseCreateSerializableRepresentation(NSURLResponse *response, CFTypeRef tokenNull);
NSURLResponse *WKNSURLResponseFromSerializableRepresentation(CFDictionaryRef representation, CFTypeRef tokenNull);

#ifndef __LP64__
ScriptCode WKGetScriptCodeFromCurrentKeyboardInputSource(void);
#endif

#endif

#if MAC_OS_X_VERSION_MIN_REQUIRED <= 1060
CFIndex WKGetHyphenationLocationBeforeIndex(CFStringRef string, CFIndex index);
#endif

CFArrayRef WKCFURLCacheCopyAllHostNamesInPersistentStore(void);
void WKCFURLCacheDeleteHostNamesInPersistentStore(CFArrayRef hostArray);    

CFStringRef WKGetCFURLResponseMIMEType(CFURLResponseRef);
CFURLRef WKGetCFURLResponseURL(CFURLResponseRef);
CFHTTPMessageRef WKGetCFURLResponseHTTPResponse(CFURLResponseRef);
CFStringRef WKCopyCFURLResponseSuggestedFilename(CFURLResponseRef);
void WKSetCFURLResponseMIMEType(CFURLResponseRef, CFStringRef mimeType);

CIFormat WKCIGetRGBA8Format(void);

#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1070

typedef enum {
    WKSandboxExtensionTypeReadOnly,
    WKSandboxExtensionTypeWriteOnly,    
    WKSandboxExtensionTypeReadWrite,
} WKSandboxExtensionType;
typedef struct __WKSandboxExtension *WKSandboxExtensionRef;

WKSandboxExtensionRef WKSandboxExtensionCreate(const char* path, WKSandboxExtensionType type);
void WKSandboxExtensionDestroy(WKSandboxExtensionRef sandboxExtension);

bool WKSandboxExtensionConsume(WKSandboxExtensionRef sandboxExtension);
bool WKSandboxExtensionInvalidate(WKSandboxExtensionRef sandboxExtension);

const char* WKSandboxExtensionGetSerializedFormat(WKSandboxExtensionRef sandboxExtension, size_t* length);
WKSandboxExtensionRef WKSandboxExtensionCreateFromSerializedFormat(const char* serializationFormat, size_t length);

OSStatus WKEnableSandboxStyleFileQuarantine(void);

int WKRecommendedScrollerStyle(void);

bool WKExecutableWasLinkedOnOrBeforeSnowLeopard(void);

NSRange WKExtractWordDefinitionTokenRangeFromContextualString(NSString *contextString, NSRange range, NSDictionary **options);
void WKShowWordDefinitionWindow(NSAttributedString *term, NSPoint screenPoint, NSDictionary *options);
void WKHideWordDefinitionWindow(void);

CFStringRef WKCopyDefaultSearchProviderDisplayName(void);

NSURL* WKAVAssetResolvedURL(AVAsset*);

NSCursor *WKCursor(const char *name);

#endif

#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1070

#import <dispatch/dispatch.h>

dispatch_source_t WKCreateVMPressureDispatchOnMainQueue(void);

#endif

#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1080
NSString *WKGetMacOSXVersionString(void);
bool WKExecutableWasLinkedOnOrBeforeLion(void);
#endif

#ifdef __cplusplus
}
#endif