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Diffstat (limited to 'src/ui/ui-drv/cocoa/VideatorProxy.m')
| -rw-r--r-- | src/ui/ui-drv/cocoa/VideatorProxy.m | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/ui/ui-drv/cocoa/VideatorProxy.m b/src/ui/ui-drv/cocoa/VideatorProxy.m new file mode 100644 index 0000000..506ac48 --- /dev/null +++ b/src/ui/ui-drv/cocoa/VideatorProxy.m @@ -0,0 +1,157 @@ +/* + * XaoS, a fast portable realtime fractal zoomer + * Copyright (C) 1996 by + * + * Jan Hubicka (hubicka@paru.cas.cz) + * Thomas Marsh (tmarsh@austin.ibm.com) + * + * Cocoa Driver by J.B. Langston III (jb-langston@austin.rr.com) + * Videator Support by Andrew Stone (Stone Design) + * For information about Videator, visit http://www.stone.com/Videator + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include <aconfig.h> +#ifdef VIDEATOR_SUPPORT +#import "VideatorProxy.h" +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <netdb.h> +#include <libc.h> + +NSString *cheapHostName() { + NSString *host = @"localhost"; + char s[_POSIX_HOST_NAME_MAX+1]; + s[0] = '\0'; + if (gethostname(s, _POSIX_HOST_NAME_MAX) == 0) { + if (strlen(s) > 0) + host = [[[NSString alloc] initWithUTF8String:s]autorelease]; + } + return host; +} + +#define VideatorServer ([NSString stringWithFormat:@"VideatorServer-%@",cheapHostName()]) +#define FRAME_REFRESH_THRESHOLD 0.04 + +@protocol VideatorVendedProtocol +// to notify in main thread +- (void)runUpdateAlert:(NSString *)latestVersionNumber; +// XaoS +- (BOOL)wantsXaoSImage; +- (void)setXaosImageData:(NSData *)bmData; +// automator mode to check its not hung +- (BOOL)heartBeat; +@end + + +@implementation VideatorProxy + ++ (void)setupDefaults +{ + NSString *userDefaultsValuesPath; + NSDictionary *userDefaultsValuesDict; + NSDictionary *initialValuesDict; + NSArray *resettableUserDefaultsKeys; + + userDefaultsValuesPath=[[NSBundle mainBundle] pathForResource:@"UserDefaults" + ofType:@"plist"]; + userDefaultsValuesDict=[NSDictionary dictionaryWithContentsOfFile:userDefaultsValuesPath]; + + [[NSUserDefaults standardUserDefaults] registerDefaults:userDefaultsValuesDict]; + + resettableUserDefaultsKeys=[NSArray arrayWithObjects:@"EnableVideator",nil]; + initialValuesDict=[userDefaultsValuesDict dictionaryWithValuesForKeys:resettableUserDefaultsKeys]; + + [[NSUserDefaultsController sharedUserDefaultsController] setInitialValues:initialValuesDict]; +} + ++ (void)initialize { + [self setupDefaults]; +} + +- (id)init { + self = [super init]; + if (self) { + _videatorEnabled = [[NSUserDefaults standardUserDefaults] boolForKey:@"EnableVideator"]; + } + return self; +} + +- (void)toggleVideator:(id)sender { + _videatorEnabled ^= 1; + [[NSUserDefaults standardUserDefaults] setBool:_videatorEnabled forKey:@"EnableVideator"]; +} + +- (BOOL)videatorEnabled { + return _videatorEnabled; +} + +- (void)connectionDidDie:(NSNotification *)n { + _videatorProxy = nil; + _killDate = [[NSCalendarDate date] retain]; + NSLog(@"Videator is dead... ...Long Live Videator!"); +} + +- (void)getProxy { + + // do not try and reconnect to an application that is terminating: + if (_killDate && [_killDate timeIntervalSinceNow] > -10.0) return; + else _killDate = nil; + + _videatorProxy = [[NSConnection rootProxyForConnectionWithRegisteredName:VideatorServer host:nil] retain]; + // if we can't find it, no big deal: + if (_videatorProxy != nil) { + [_videatorProxy setProtocolForProxy:@protocol(VideatorVendedProtocol)]; + [[NSDistributedNotificationCenter defaultCenter] addObserver:self selector:@selector(connectionDidDie:) name:@"VideatorWillTerminate" object:nil]; + } +} + +- (void)sendImageRep:(NSBitmapImageRep *)imageRep { + // simply return if user does not want this + if (!_videatorEnabled) return; + + // Andrew's Videator hook - costs almost nothing since the view maintains the bitmapImageRep in hand - + // We call it here because other mechanisms might cause a redraw in the view but we don't want that overhead + // unless we've been notified that there really was a change: + // HOWEVER we can only shove so much stuff down the pipe - let's try 30 frames per second threshold + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; + NSDate *now = [NSDate date]; + + + if (_wantsThrottle) { + static float _FRAME_REFRESH_THRESHOLD = 0.0; + if (_FRAME_REFRESH_THRESHOLD == 0.0) { + _FRAME_REFRESH_THRESHOLD = [[NSUserDefaults standardUserDefaults] floatForKey:@"RefreshThreshold"]; + if (_FRAME_REFRESH_THRESHOLD == 0.0) _FRAME_REFRESH_THRESHOLD = FRAME_REFRESH_THRESHOLD; + } + if (_lastFrameCreatedDate && [now timeIntervalSinceDate:_lastFrameCreatedDate] < _FRAME_REFRESH_THRESHOLD) return; + [_lastFrameCreatedDate release]; + _lastFrameCreatedDate = [now retain]; + } + + if (!_videatorProxy) [self getProxy]; + NS_DURING + if (_videatorProxy!=nil /* DO NOT WAIT FOR THE ROUNDTRIP && [_videatorProxy wantsXaoSImage] */) + [_videatorProxy setXaosImageData:[imageRep TIFFRepresentationUsingCompression:NSTIFFCompressionLZW factor:0]]; + NS_HANDLER + + NS_ENDHANDLER + + [pool release]; +} + +@end +#endif
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