factor/basis/core-foundation/fsevents/fsevents.factor

208 lines
6.5 KiB
Factor

! Copyright (C) 2008 Slava Pestov
! See http://factorcode.org/license.txt for BSD license.
USING: alien alien.c-types alien.strings alien.syntax kernel
math sequences namespaces assocs init accessors continuations
combinators core-foundation core-foundation.run-loop
io.encodings.utf8 destructors ;
IN: core-foundation.fsevents
! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
! FSEventStream API, Leopard only !
! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
: kFSEventStreamCreateFlagUseCFTypes 2 ; inline
: kFSEventStreamCreateFlagWatchRoot 4 ; inline
: kFSEventStreamEventFlagMustScanSubDirs 1 ; inline
: kFSEventStreamEventFlagUserDropped 2 ; inline
: kFSEventStreamEventFlagKernelDropped 4 ; inline
: kFSEventStreamEventFlagEventIdsWrapped 8 ; inline
: kFSEventStreamEventFlagHistoryDone 16 ; inline
: kFSEventStreamEventFlagRootChanged 32 ; inline
: kFSEventStreamEventFlagMount 64 ; inline
: kFSEventStreamEventFlagUnmount 128 ; inline
TYPEDEF: int FSEventStreamCreateFlags
TYPEDEF: int FSEventStreamEventFlags
TYPEDEF: longlong FSEventStreamEventId
TYPEDEF: void* FSEventStreamRef
C-STRUCT: FSEventStreamContext
{ "CFIndex" "version" }
{ "void*" "info" }
{ "void*" "retain" }
{ "void*" "release" }
{ "void*" "copyDescription" } ;
! callback(FSEventStreamRef streamRef, void *clientCallBackInfo, size_t numEvents, void *eventPaths, const FSEventStreamEventFlags eventFlags[], const FSEventStreamEventId eventIds[]);
TYPEDEF: void* FSEventStreamCallback
: FSEventStreamEventIdSinceNow HEX: FFFFFFFFFFFFFFFF ; inline
FUNCTION: FSEventStreamRef FSEventStreamCreate (
CFAllocatorRef allocator,
FSEventStreamCallback callback,
FSEventStreamContext* context,
CFArrayRef pathsToWatch,
FSEventStreamEventId sinceWhen,
CFTimeInterval latency,
FSEventStreamCreateFlags flags ) ;
FUNCTION: FSEventStreamRef FSEventStreamCreateRelativeToDevice (
CFAllocatorRef allocator,
FSEventStreamCallback callback,
FSEventStreamContext* context,
dev_t deviceToWatch,
CFArrayRef pathsToWatchRelativeToDevice,
FSEventStreamEventId sinceWhen,
CFTimeInterval latency,
FSEventStreamCreateFlags flags ) ;
FUNCTION: FSEventStreamEventId FSEventStreamGetLatestEventId ( FSEventStreamRef streamRef ) ;
FUNCTION: dev_t FSEventStreamGetDeviceBeingWatched ( FSEventStreamRef streamRef ) ;
FUNCTION: CFArrayRef FSEventStreamCopyPathsBeingWatched ( FSEventStreamRef streamRef ) ;
FUNCTION: FSEventStreamEventId FSEventsGetCurrentEventId ( ) ;
FUNCTION: CFUUIDRef FSEventsCopyUUIDForDevice ( dev_t dev ) ;
FUNCTION: FSEventStreamEventId FSEventsGetLastEventIdForDeviceBeforeTime (
dev_t dev,
CFAbsoluteTime time ) ;
FUNCTION: Boolean FSEventsPurgeEventsForDeviceUpToEventId (
dev_t dev,
FSEventStreamEventId eventId ) ;
FUNCTION: void FSEventStreamRetain ( FSEventStreamRef streamRef ) ;
FUNCTION: void FSEventStreamRelease ( FSEventStreamRef streamRef ) ;
FUNCTION: void FSEventStreamScheduleWithRunLoop (
FSEventStreamRef streamRef,
CFRunLoopRef runLoop,
CFStringRef runLoopMode ) ;
FUNCTION: void FSEventStreamUnscheduleFromRunLoop (
FSEventStreamRef streamRef,
CFRunLoopRef runLoop,
CFStringRef runLoopMode ) ;
FUNCTION: void FSEventStreamInvalidate ( FSEventStreamRef streamRef ) ;
FUNCTION: Boolean FSEventStreamStart ( FSEventStreamRef streamRef ) ;
FUNCTION: FSEventStreamEventId FSEventStreamFlushAsync ( FSEventStreamRef streamRef ) ;
FUNCTION: void FSEventStreamFlushSync ( FSEventStreamRef streamRef ) ;
FUNCTION: void FSEventStreamStop ( FSEventStreamRef streamRef ) ;
FUNCTION: void FSEventStreamShow ( FSEventStreamRef streamRef ) ;
FUNCTION: CFStringRef FSEventStreamCopyDescription ( FSEventStreamRef streamRef ) ;
: make-FSEventStreamContext ( info -- alien )
"FSEventStreamContext" <c-object>
[ set-FSEventStreamContext-info ] keep ;
: <FSEventStream> ( callback info paths latency flags -- event-stream )
>r >r >r >r >r
f ! allocator
r> ! callback
r> make-FSEventStreamContext
r> <CFStringArray> ! paths
FSEventStreamEventIdSinceNow ! sinceWhen
r> ! latency
r> ! flags
FSEventStreamCreate ;
: kCFRunLoopCommonModes ( -- string )
"kCFRunLoopCommonModes" f dlsym *void* ;
: schedule-event-stream ( event-stream -- )
CFRunLoopGetMain
kCFRunLoopCommonModes
FSEventStreamScheduleWithRunLoop ;
: unschedule-event-stream ( event-stream -- )
CFRunLoopGetMain
kCFRunLoopCommonModes
FSEventStreamUnscheduleFromRunLoop ;
: enable-event-stream ( event-stream -- )
dup
schedule-event-stream
dup FSEventStreamStart [
drop
] [
dup unschedule-event-stream
FSEventStreamRelease
"Cannot enable FSEventStream" throw
] if ;
: disable-event-stream ( event-stream -- )
dup FSEventStreamStop
unschedule-event-stream ;
SYMBOL: event-stream-callbacks
: event-stream-counter ( -- n )
\ event-stream-counter counter ;
[
event-stream-callbacks global
[ [ drop expired? not ] assoc-filter H{ } assoc-like ] change-at
] "core-foundation" add-init-hook
: add-event-source-callback ( quot -- id )
event-stream-counter <alien>
[ event-stream-callbacks get set-at ] keep ;
: remove-event-source-callback ( id -- )
event-stream-callbacks get delete-at ;
: >event-triple ( n eventPaths eventFlags eventIds -- triple )
[
>r >r >r dup dup
r> void*-nth utf8 alien>string ,
r> int-nth ,
r> longlong-nth ,
] { } make ;
: master-event-source-callback ( -- alien )
"void"
{
"FSEventStreamRef"
"void*" ! info
"size_t" ! numEvents
"void*" ! eventPaths
"FSEventStreamEventFlags*"
"FSEventStreamEventId*"
}
"cdecl" [
[ >event-triple ] 3curry map
swap event-stream-callbacks get at
dup [ call drop ] [ 3drop ] if
] alien-callback ;
TUPLE: event-stream info handle disposed ;
: <event-stream> ( quot paths latency flags -- event-stream )
>r >r >r
add-event-source-callback dup
>r master-event-source-callback r>
r> r> r> <FSEventStream>
dup enable-event-stream
f event-stream boa ;
M: event-stream dispose*
{
[ info>> remove-event-source-callback ]
[ handle>> disable-event-stream ]
[ handle>> FSEventStreamInvalidate ]
[ handle>> FSEventStreamRelease ]
} cleave ;