dnl AC_CHECK_HEADERS(ostream istream sstream locale limits ios)
dnl LYX_CXX_STL_MODERN_STREAMS
+### Objective-C compiler
+AC_PROG_OBJC
+_AM_DEPENDENCIES([OBJC])
+
### and now some special lyx flags.
AC_ARG_ENABLE(assertions,
AC_HELP_STRING([--enable-assertions],[add runtime sanity checks in the program]),,
file(GLOB support_minizip_cpp_sources ${TOP_SRC_DIR}/src/support/minizip/*.cpp)
file(GLOB support_minizip_headers ${TOP_SRC_DIR}/src/support/minizip/*.h)
+file(GLOB support_linkback_sources ${TOP_SRC_DIR}/src/support/linkback/*.m*)
+file(GLOB support_linkback_headers ${TOP_SRC_DIR}/src/support/linkback/*.h)
+
list(REMOVE_ITEM support_sources
${TOP_SRC_DIR}/src/support/os_win32.cpp
${TOP_SRC_DIR}/src/support/os_unix.cpp
${TOP_SRC_DIR}/src/support/minizip/iowin32.c
${TOP_SRC_DIR}/src/support/gettext.cpp)
+if(APPLE)
+ message(STATUS "Mac LinkBack support")
+else()
+ set(support_linkback_sources "")
+ set(support_linkback_headers "")
+endif()
+
# needed to compile tex2lyx in merged mode
set(dont_merge ${TOP_SRC_DIR}/src/support/gettext.cpp)
if(NOT MERGE_FILES)
- set(support_sources ${support_sources} ${support_minizip_sources} ${support_minizip_cpp_sources})
- set(support_headers ${support_headers} ${support_minizip_headers})
+ set(support_sources ${support_sources} ${support_minizip_sources} ${support_minizip_cpp_sources} ${support_linkback_sources})
+ set(support_headers ${support_headers} ${support_minizip_headers} ${support_linkback_headers})
add_library(support ${library_type} ${support_sources} ${support_headers} ${dont_merge})
else()
lyx_const_touched_files(_allinone support_sources)
set_source_files_properties(_allinone_touched.C
PROPERTIES OBJECT_DEPENDS "${depends_moc}")
add_library(support ${library_type} ${_allinone_files}
- ${support_minizip_sources} ${support_minizip_cpp_sources} ${support_headers} ${dont_merge})
+ ${support_minizip_sources} ${support_minizip_cpp_sources} ${support_linkback_sources} ${support_headers} ${dont_merge})
endif()
+target_link_libraries(support boost_signals ${QT_QTCORE_LIBRARY} ${ZLIB_LIBRARY})
-target_link_libraries(support boost_signals ${QT_QTCORE_LIBRARY} ${ZLIB_LIBRARY} )
-
-if(WIN32)
+if(APPLE)
+ target_link_libraries(support "objc" "-framework Appkit" "-framework CoreFoundation")
+elseif(WIN32)
target_link_libraries(support shlwapi)
endif()
minizip/zip.h \
minizip/zipunzip.cpp
+if INSTALL_MACOSX
+liblyxsupport_la_SOURCES += \
+ linkback/LinkBack.h \
+ linkback/LinkBack.m \
+ linkback/LinkBackProxy.h \
+ linkback/LinkBackProxy.m \
+ linkback/LinkBackServer.h \
+ linkback/LinkBackServer.m
+endif
+
############################## Tests ##################################
EXTRA_DIST += \
--- /dev/null
+//
+// LinkBack.h
+// LinkBack Project
+//
+// Created by Charles Jolley on Tue Jun 15 2004.
+// Copyright (c) 2004, Nisus Software, Inc.
+// All rights reserved.
+
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// 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.
+//
+// Neither the name of the Nisus Software, Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from this
+// software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER OR
+// 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>
+
+// Use this pasteboard type to put LinkBack data to the pasteboard. Use MakeLinkBackData() to create the data.
+extern NSString* LinkBackPboardType ;
+
+// Default Action Names. These will be localized for you automatically.
+extern NSString* LinkBackEditActionName ;
+extern NSString* LinkBackRefreshActionName ;
+
+//
+// Support Functions
+//
+NSString* LinkBackUniqueItemKey() ;
+NSString* LinkBackEditMultipleMenuTitle() ;
+NSString* LinkBackEditNoneMenuTitle() ;
+
+//
+// Deprecated Support Functions -- use LinkBack Data Category instead
+//
+id MakeLinkBackData(NSString* serverName, id appData) ;
+id LinkBackGetAppData(id linkBackData) ;
+BOOL LinkBackDataBelongsToActiveApplication(id data) ;
+
+//
+// LinkBack Data Category
+//
+
+// Use these methods to create and access linkback data objects. You can also use the helper functions above.
+
+@interface NSDictionary (LinkBackData)
+
++ (NSDictionary*)linkBackDataWithServerName:(NSString*)serverName appData:(id)appData ;
+
++ (NSDictionary*)linkBackDataWithServerName:(NSString*)serverName appData:(id)appData suggestedRefreshRate:(NSTimeInterval)rate ;
+
++ (NSDictionary*)linkBackDataWithServerName:(NSString*)serverName appData:(id)appData actionName:(NSString*)action suggestedRefreshRate:(NSTimeInterval)rate ;
+
+- (BOOL)linkBackDataBelongsToActiveApplication ;
+
+- (id)linkBackAppData ;
+- (NSString*)linkBackSourceApplicationName ;
+- (NSString*)linkBackActionName ;
+- (NSString*)linkBackVersion ;
+- (NSURL*)linkBackApplicationURL ;
+
+- (NSTimeInterval)linkBackSuggestedRefreshRate ;
+
+- (NSString*)linkBackEditMenuTitle ;
+
+@end
+
+//
+// Delegate Protocols
+//
+
+@class LinkBack ;
+
+@protocol LinkBackServerDelegate
+- (void)linkBackDidClose:(LinkBack*)link ;
+- (void)linkBackClientDidRequestEdit:(LinkBack*)link ;
+@end
+
+@protocol LinkBackClientDelegate
+- (void)linkBackDidClose:(LinkBack*)link ;
+- (void)linkBackServerDidSendEdit:(LinkBack*)link ;
+@end
+
+// used for cross app communications
+@protocol LinkBack
+- (oneway void)remoteCloseLink ;
+- (void)requestEditWithPasteboardName:(bycopy NSString*)pboardName ; // from client
+- (void)refreshEditWithPasteboardName:(bycopy NSString*)pboardName ; // from server
+@end
+
+@interface LinkBack : NSObject <LinkBack> {
+ LinkBack* peer ; // the client or server on the other side.
+ BOOL isServer ;
+ id delegate ;
+ NSPasteboard* pboard ;
+ id repobj ;
+ NSString* sourceName ;
+ NSString* sourceApplicationName ;
+ NSString* key ;
+}
+
++ (LinkBack*)activeLinkBackForItemKey:(id)key ;
+// works for both the client and server side. Valid only while a link is connected.
+
+// ...........................................................................
+// General Use methods
+//
+- (NSPasteboard*)pasteboard ;
+- (void)closeLink ;
+
+- (id)representedObject ;
+- (void)setRepresentedObject:(id)obj ;
+// Applications can use this represented object to attach some meaning to the live link. For example, a client application may set this to the object to be modified when the edit is refreshed. This retains its value.
+
+- (NSString*)sourceName ;
+- (NSString*)sourceApplicationName ;
+- (NSString*)itemKey ; // maybe this matters only on the client side.
+
+// ...........................................................................
+// Server-side methods
+//
++ (BOOL)publishServerWithName:(NSString*)name delegate:(id<LinkBackServerDelegate>)del ;
+
++ (void)retractServerWithName:(NSString*)name ;
+
+- (void)sendEdit ;
+
+// ...........................................................................
+// Client-Side Methods
+//
++ (LinkBack*)editLinkBackData:(id)data sourceName:(NSString*)aName delegate:(id<LinkBackClientDelegate>)del itemKey:(NSString*)aKey ;
+
+@end
+
+@interface LinkBack (InternalUseOnly)
+
+- (id)initServerWithClient: (LinkBack*)aLinkBack delegate: (id<LinkBackServerDelegate>)aDel ;
+
+- (id)initClientWithSourceName:(NSString*)aName delegate:(id<LinkBackClientDelegate>)aDel itemKey:(NSString*)aKey ;
+
+- (BOOL)connectToServerWithName:(NSString*)aName inApplication:(NSString*)bundleIdentifier fallbackURL:(NSURL*)url appName:(NSString*)appName ;
+
+- (void)requestEdit ;
+
+@end
--- /dev/null
+//
+// LinkBack.m
+// LinkBack
+//
+// Created by Charles Jolley on Tue Jun 15 2004.
+// Copyright (c) 2004, Nisus Software, Inc.
+// All rights reserved.
+
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// 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.
+//
+// Neither the name of the Nisus Software, Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from this
+// software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER OR
+// 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 "LinkBack.h"
+#import "LinkBackServer.h"
+
+NSString* LinkBackPboardType = @"LinkBackData" ;
+
+// LinkBack data keys. These are used in a LinkBack object, which is currently a dictionary. Do not depend on these values. They are public for testing purposes only.
+NSString* LinkBackServerActionKey = @"serverActionKey" ;
+NSString* LinkBackServerApplicationNameKey = @"serverAppName" ;
+NSString* LinkBackServerNameKey = @"serverName" ;
+NSString* LinkBackServerBundleIdentifierKey = @"bundleId" ;
+NSString* LinkBackVersionKey = @"version" ;
+NSString* LinkBackApplicationDataKey = @"appData" ;
+NSString* LinkBackSuggestedRefreshKey = @"refresh" ;
+NSString* LinkBackApplicationURLKey = @"ApplicationURL" ;
+
+NSString* LinkBackEditActionName = @"_Edit" ;
+NSString* LinkBackRefreshActionName = @"_Refresh" ;
+
+// ...........................................................................
+// Support Functions
+//
+
+id MakeLinkBackData(NSString* serverName, id appData)
+{
+ return [NSDictionary linkBackDataWithServerName: serverName appData: appData] ;
+}
+
+id LinkBackGetAppData(id LinkBackData)
+{
+ return [LinkBackData linkBackAppData] ;
+}
+
+NSString* LinkBackUniqueItemKey()
+{
+ static int counter = 0 ;
+
+ NSString* base = [[NSBundle mainBundle] bundleIdentifier] ;
+ unsigned long time = [NSDate timeIntervalSinceReferenceDate] ;
+ return [NSString stringWithFormat: @"%@%.8x.%.4x",base,time,counter++] ;
+}
+
+BOOL LinkBackDataBelongsToActiveApplication(id data)
+{
+ return [data linkBackDataBelongsToActiveApplication] ;
+}
+
+NSString* LinkBackEditMultipleMenuTitle()
+{
+ NSBundle* bundle = [NSBundle bundleForClass: [LinkBack class]] ;
+ NSString* ret = [bundle localizedStringForKey: @"_EditMultiple" value: @"Edit LinkBack Items" table: @"Localized"] ;
+ return ret ;
+}
+
+NSString* LinkBackEditNoneMenuTitle()
+{
+ NSBundle* bundle = [NSBundle bundleForClass: [LinkBack class]] ;
+ NSString* ret = [bundle localizedStringForKey: @"_EditNone" value: @"Edit LinkBack Item" table: @"Localized"] ;
+ return ret ;
+}
+
+// ...........................................................................
+// LinkBack Data Category
+//
+
+// Use these methods to create and access linkback data objects. You can also use the helper functions above.
+
+@implementation NSDictionary (LinkBackData)
+
++ (NSDictionary*)linkBackDataWithServerName:(NSString*)serverName appData:(id)appData
+{
+ return [self linkBackDataWithServerName: serverName appData: appData actionName: nil suggestedRefreshRate: 0];
+}
+
++ (NSDictionary*)linkBackDataWithServerName:(NSString*)serverName appData:(id)appData suggestedRefreshRate:(NSTimeInterval)rate
+{
+ return [self linkBackDataWithServerName: serverName appData: appData actionName: LinkBackRefreshActionName suggestedRefreshRate: rate] ;
+}
+
++ (NSDictionary*)linkBackDataWithServerName:(NSString*)serverName appData:(id)appData actionName:(NSString*)action suggestedRefreshRate:(NSTimeInterval)rate ;
+{
+ NSDictionary* appInfo = [[NSBundle mainBundle] infoDictionary] ;
+
+ NSMutableDictionary* ret = [[NSMutableDictionary alloc] init] ;
+ NSString* bundleId = [[NSBundle mainBundle] bundleIdentifier] ;
+ NSString* url = [appInfo objectForKey: @"LinkBackApplicationURL"] ;
+ NSString* appName = [[NSProcessInfo processInfo] processName] ;
+ id version = @"A" ;
+
+ if (nil==serverName) [NSException raise: NSInvalidArgumentException format: @"LinkBack Data cannot be created without a server name."] ;
+
+ // callback information
+ [ret setObject: bundleId forKey: LinkBackServerBundleIdentifierKey];
+ [ret setObject: serverName forKey: LinkBackServerNameKey] ;
+ [ret setObject: version forKey: LinkBackVersionKey] ;
+
+ // additional information
+ if (appName) [ret setObject: appName forKey: LinkBackServerApplicationNameKey] ;
+ if (action) [ret setObject: action forKey: LinkBackServerActionKey] ;
+ if (appData) [ret setObject: appData forKey: LinkBackApplicationDataKey] ;
+ if (url) [ret setObject: url forKey: LinkBackApplicationURLKey] ;
+ [ret setObject: [NSNumber numberWithFloat: rate] forKey: LinkBackSuggestedRefreshKey] ;
+
+ return [ret autorelease] ;
+}
+
+- (BOOL)linkBackDataBelongsToActiveApplication
+{
+ NSString* bundleId = [[NSBundle mainBundle] bundleIdentifier] ;
+ NSString* dataId = [self objectForKey: LinkBackServerBundleIdentifierKey] ;
+ return (dataId && [dataId isEqualToString: bundleId]) ;
+}
+
+- (id)linkBackAppData
+{
+ return [self objectForKey: LinkBackApplicationDataKey] ;
+}
+
+- (NSString*)linkBackSourceApplicationName
+{
+ return [self objectForKey: LinkBackServerApplicationNameKey] ;
+}
+
+- (NSString*)linkBackActionName
+{
+ NSBundle* bundle = [NSBundle bundleForClass: [LinkBack class]] ;
+ NSString* ret = [self objectForKey: LinkBackServerActionKey] ;
+ if (nil==ret) ret = LinkBackEditActionName ;
+
+ ret = [bundle localizedStringForKey: ret value: ret table: @"Localized"] ;
+ return ret ;
+}
+
+- (NSString*)linkBackEditMenuTitle
+{
+ NSBundle* bundle = [NSBundle bundleForClass: [LinkBack class]] ;
+ NSString* appName = [self linkBackSourceApplicationName] ;
+ NSString* action = [self linkBackActionName] ;
+ NSString* ret = [bundle localizedStringForKey: @"_EditPattern" value: @"%@ in %@" table: @"Localized"] ;
+ ret = [NSString stringWithFormat: ret, action, appName] ;
+ return ret ;
+}
+
+- (NSString*)linkBackVersion
+{
+ return [self objectForKey: LinkBackVersionKey] ;
+}
+
+- (NSTimeInterval)linkBackSuggestedRefreshRate
+{
+ id obj = [self objectForKey: LinkBackSuggestedRefreshKey] ;
+ return (obj) ? [obj floatValue] : 0 ;
+}
+
+- (NSURL*)linkBackApplicationURL
+{
+ id obj = [self objectForKey: LinkBackApplicationURLKey] ;
+ if (obj) obj = [NSURL URLWithString: obj] ;
+ return obj ;
+}
+
+@end
+
+// ...........................................................................
+// LinkBackServer
+//
+// one of these exists for each registered server name. This is the receiver of server requests.
+
+// ...........................................................................
+// LinkBack Class
+//
+
+NSMutableDictionary* keyedLinkBacks = nil ;
+
+@implementation LinkBack
+
++ (void)initialize
+{
+ static BOOL inited = NO ;
+ if (inited) return ;
+ inited=YES; [super initialize] ;
+ keyedLinkBacks = [[NSMutableDictionary alloc] init] ;
+}
+
++ (LinkBack*)activeLinkBackForItemKey:(id)aKey
+{
+ return [keyedLinkBacks objectForKey: aKey] ;
+}
+
+- (id)initServerWithClient: (LinkBack*)aLinkBack delegate: (id<LinkBackServerDelegate>)aDel
+{
+ if (self = [super init]) {
+ peer = [aLinkBack retain] ;
+ sourceName = [[peer sourceName] copy] ;
+ sourceApplicationName = [[peer sourceApplicationName] copy] ;
+ key = [[peer itemKey] copy] ;
+ isServer = YES ;
+ delegate = aDel ;
+ [keyedLinkBacks setObject: self forKey: key] ;
+ }
+
+ return self ;
+}
+
+- (id)initClientWithSourceName:(NSString*)aName delegate:(id<LinkBackClientDelegate>)aDel itemKey:(NSString*)aKey ;
+{
+ if (self = [super init]) {
+ isServer = NO ;
+ delegate = aDel ;
+ sourceName = [aName copy] ;
+ sourceApplicationName = [[NSProcessInfo processInfo] processName] ;
+ pboard = [[NSPasteboard pasteboardWithUniqueName] retain] ;
+ key = [aKey copy] ;
+ }
+
+ return self ;
+}
+
+- (void)dealloc
+{
+ [repobj release] ;
+ [sourceName release] ;
+
+ if (peer) [self closeLink] ;
+ [peer release] ;
+
+ if (!isServer) [pboard releaseGlobally] ; // client owns the pboard.
+ [pboard release] ;
+
+ [super dealloc] ;
+}
+
+// ...........................................................................
+// General Use methods
+
+- (NSPasteboard*)pasteboard
+{
+ return pboard ;
+}
+
+- (id)representedObject
+{
+ return repobj ;
+}
+
+- (void)setRepresentedObject:(id)obj
+{
+ [obj retain] ;
+ [repobj release] ;
+ repobj = obj ;
+}
+
+- (NSString*)sourceName
+{
+ return sourceName ;
+}
+
+- (NSString*)sourceApplicationName
+{
+ return sourceApplicationName ;
+}
+
+- (NSString*)itemKey
+{
+ return key ;
+}
+
+// this method is called to initial a link closure from this side.
+- (void)closeLink
+{
+ // inform peer of closure
+ if (peer) {
+ [peer remoteCloseLink] ;
+ [peer release] ;
+ peer = nil ;
+ [self release] ;
+ [keyedLinkBacks removeObjectForKey: [self itemKey]];
+ }
+}
+
+// this method is called whenever the link is about to be or has been closed by the other side.
+- (void)remoteCloseLink
+{
+ if (peer) {
+ [peer release] ;
+ peer = nil ;
+ [self release] ;
+ [keyedLinkBacks removeObjectForKey: [self itemKey]];
+ }
+
+ if (delegate) [delegate linkBackDidClose: self] ;
+}
+
+// ...........................................................................
+// Server-side methods
+//
++ (BOOL)publishServerWithName:(NSString*)name delegate:(id<LinkBackServerDelegate>)del
+{
+ return [LinkBackServer publishServerWithName: name delegate: del] ;
+}
+
++ (void)retractServerWithName:(NSString*)name
+{
+ LinkBackServer* server = [LinkBackServer LinkBackServerWithName: name] ;
+ if (server) [server retract] ;
+}
+
+- (void)sendEdit
+{
+ if (!peer) [NSException raise: NSGenericException format: @"tried to request edit from a live link not connect to a server."] ;
+ [peer refreshEditWithPasteboardName: [pboard name]] ;
+}
+
+// FROM CLIENT LinkBack
+- (void)requestEditWithPasteboardName:(bycopy NSString*)pboardName
+{
+ // get the new pasteboard, if needed
+ if ((!pboard) || ![pboardName isEqualToString: [pboard name]]) pboard = [[NSPasteboard pasteboardWithName: pboardName] retain] ;
+
+ // pass onto delegate
+ [delegate performSelectorOnMainThread: @selector(linkBackClientDidRequestEdit:) withObject: self waitUntilDone: NO] ;
+}
+
+// ...........................................................................
+// Client-Side Methods
+//
++ (LinkBack*)editLinkBackData:(id)data sourceName:(NSString*)aName delegate:(id<LinkBackClientDelegate>)del itemKey:(NSString*)aKey
+{
+ // if an active live link already exists, use that. Otherwise, create a new one.
+ LinkBack* ret = [keyedLinkBacks objectForKey: aKey] ;
+
+ if(nil==ret) {
+ BOOL ok ;
+ NSString* serverName ;
+ NSString* serverId ;
+ NSString* appName ;
+ NSURL* url ;
+
+ // collect server contact information from data.
+ ok = [data isKindOfClass: [NSDictionary class]] ;
+ if (ok) {
+ serverName = [data objectForKey: LinkBackServerNameKey] ;
+ serverId = [data objectForKey: LinkBackServerBundleIdentifierKey];
+ appName = [data linkBackSourceApplicationName] ;
+ url = [data linkBackApplicationURL] ;
+ }
+
+ if (!ok || !serverName || !serverId) [NSException raise: NSInvalidArgumentException format: @"LinkBackData is not of the correct format: %@", data] ;
+
+ // create the live link object and try to connect to the server.
+ ret = [[LinkBack alloc] initClientWithSourceName: aName delegate: del itemKey: aKey] ;
+
+ if (![ret connectToServerWithName: serverName inApplication: serverId fallbackURL: url appName: appName]) {
+ [ret release] ;
+ ret = nil ;
+ }
+ }
+
+ // now with a live link in hand, request an edit
+ if (ret) {
+ // if connected to server, publish data and inform server.
+ NSPasteboard* my_pboard = [ret pasteboard] ;
+ [my_pboard declareTypes: [NSArray arrayWithObject: LinkBackPboardType] owner: ret] ;
+ [my_pboard setPropertyList: data forType: LinkBackPboardType] ;
+
+ [ret requestEdit] ;
+
+ // if connection to server failed, return nil.
+ } else {
+ [ret release] ;
+ ret = nil ;
+ }
+
+ return ret ;
+}
+
+- (BOOL)connectToServerWithName:(NSString*)aName inApplication:(NSString*)bundleIdentifier fallbackURL:(NSURL*)url appName:(NSString*)appName
+{
+ // get the LinkBackServer.
+ LinkBackServer* server = [LinkBackServer LinkBackServerWithName: aName inApplication: bundleIdentifier launchIfNeeded: YES fallbackURL: url appName: appName] ;
+ if (!server) return NO ; // failed to get server
+
+ peer = [[server initiateLinkBackFromClient: self] retain] ;
+ if (!peer) return NO ; // failed to initiate session
+
+ // if we connected, then add to the list of active keys
+ [keyedLinkBacks setObject: self forKey: [self itemKey]] ;
+
+ return YES ;
+}
+
+- (void)requestEdit
+{
+ if (!peer) [NSException raise: NSGenericException format: @"tried to request edit from a live link not connect to a server."] ;
+ [peer requestEditWithPasteboardName: [pboard name]] ;
+}
+
+// RECEIVED FROM SERVER
+- (void)refreshEditWithPasteboardName:(bycopy NSString*)pboardName
+{
+ // if pboard has changes, change to new pboard.
+ if (![pboardName isEqualToString: [pboard name]]) {
+ [pboard release] ;
+ pboard = [[NSPasteboard pasteboardWithName: pboardName] retain] ;
+ }
+
+ // inform delegate
+ [delegate performSelectorOnMainThread: @selector(linkBackServerDidSendEdit:) withObject: self waitUntilDone: NO] ;
+}
+
+@end
--- /dev/null
+// -*- C++ -*-
+/**
+ * \file LinkBackProxy.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Stefan Schimanski
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
+#ifndef LINKBACKPROXY_H
+#define LINKBACKPROXY_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+///
+int isLinkBackDataInPasteboard();
+///
+int editLinkBackFile(char const * filename);
+///
+void getLinkBackData(void const ** buf, unsigned * len);
+///
+void closeAllLinkBackLinks();
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // LINKBACKPROXY_H
--- /dev/null
+/**
+ * \file LinkBackProxy.mm
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Stefan Schimanski
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
+#include <config.h>
+
+#include "support/linkback/LinkBackProxy.h"
+
+#include "support/linkback/LinkBack.h"
+
+///////////////////////////////////////////////////////////////////////
+
+static NSAutoreleasePool * pool = nil;
+
+@interface LyXLinkBackClient : NSObject <LinkBackClientDelegate> {
+ NSMutableSet * keys;
+}
+
++ (void)load;
+- (LyXLinkBackClient *)init;
+- (BOOL)edit:(NSString *)fileName;
+@end
+
+@implementation LyXLinkBackClient
+
++ (void)load
+{
+ pool = [[NSAutoreleasePool alloc] init];
+}
+
+- (LyXLinkBackClient *)init
+{
+ self = [super init];
+ if (self != nil)
+ keys = [[NSMutableSet alloc] init];
+ return self;
+}
+
+- (void)dealloc {
+ // close all links
+ NSArray * allKeys = [keys allObjects];
+ unsigned i;
+ for (i = 0; i < [allKeys count]; ++i) {
+ LinkBack * link
+ = [LinkBack activeLinkBackForItemKey:[allKeys objectAtIndex:i]];
+ [link closeLink];
+ }
+ [keys release];
+
+ [super dealloc];
+}
+
+- (BOOL)edit:(NSString *)fileName
+{
+ if ([LinkBack activeLinkBackForItemKey:fileName])
+ return YES;
+
+ @try {
+ // get put data, i.e. PDF + LinkBack + 4 bytes PDF-length
+ NSData * data = [NSData dataWithContentsOfFile:fileName];
+ if (data == nil) {
+ NSLog(@"Cannot read file %@", fileName);
+ return NO;
+ }
+
+ // Get linkback data which comes behind the pdf data.
+ // The pdf data length are the last 4 bytes.
+ UInt32 pdfLen = 0;
+ pdfLen = *(UInt32 const *)(((UInt8 const *)[data bytes]) + [data length] - 4);
+ pdfLen = NSSwapBigLongToHost(pdfLen); // make it big endian
+ if (pdfLen >= [data length] - 4) {
+ NSLog(@"Invalid file %@ for LinkBack", fileName);
+ return NO;
+ }
+
+ NSData * linkBackData
+ = [data subdataWithRange:NSMakeRange(pdfLen, [data length] - pdfLen - 4)];
+ if (linkBackData == nil) {
+ NSLog(@"Invalid file %@ for LinkBack", fileName);
+ return NO;
+ }
+
+ NSMutableDictionary * linkBackDataDict
+ = [NSUnarchiver unarchiveObjectWithData:linkBackData];
+ if (linkBackDataDict == nil) {
+ NSLog(@"LinkBack data in %@ corrupted");
+ return NO;
+ }
+
+ // create the link to the LinkBack server
+ LinkBack * link = [LinkBack editLinkBackData:linkBackDataDict
+ sourceName:fileName delegate:self itemKey:fileName];
+ if (link == nil) {
+ NSLog(@"Failed to create LinkBack link for %@", fileName);
+ return NO;
+ }
+ [keys addObject:fileName];
+ }
+ @catch (NSException * exception) {
+ NSLog(@"LinkBack exception: %@", exception);
+ return NO;
+ }
+
+ return YES;
+}
+
+- (void)linkBackDidClose:(LinkBack*)link
+{
+ NSString * fileName = [link itemKey];
+ if (fileName) {
+ [keys removeObject:fileName];
+ NSLog(@"LinkBack link for %@ closed", fileName);
+ }
+}
+
+- (void)linkBackServerDidSendEdit:(LinkBack*)link
+{
+ @try {
+ // get pasteboard and check that linkback and pdf data is available
+ NSPasteboard * pboard = [link pasteboard];
+ NSArray * linkBackType = [NSArray arrayWithObjects: LinkBackPboardType, nil];
+ NSArray * pdfType = [NSArray arrayWithObjects: NSPDFPboardType, nil];
+ if ([pboard availableTypeFromArray:linkBackType] == nil
+ || [pboard availableTypeFromArray:pdfType] == nil) {
+ NSLog(@"No PDF or LinkBack data in pasteboard");
+ return;
+ }
+
+ // get new linkback data
+ id linkBackDataDict = [pboard propertyListForType:LinkBackPboardType];
+ if (linkBackDataDict == nil) {
+ NSLog(@"Cannot get LinkBack data from pasteboard");
+ return;
+ }
+ NSData * linkBackData = [NSArchiver archivedDataWithRootObject:linkBackDataDict];
+ if (linkBackData == nil) {
+ NSLog(@"Cannot archive LinkBack data");
+ return;
+ }
+
+ // get pdf
+ NSData * pdfData = [pboard dataForType:NSPDFPboardType];
+ if (pdfData == nil) {
+ NSLog(@"Cannot get PDF data from pasteboard");
+ return;
+ }
+
+ // update the file
+ NSString * fileName = [link itemKey];
+ NSFileHandle * file = [NSFileHandle fileHandleForUpdatingAtPath:fileName];
+ if (file == nil) {
+ NSLog(@"LinkBack file %@ disappeared.", fileName);
+ return;
+ }
+ [file truncateFileAtOffset:0];
+ [file writeData:pdfData];
+ [file writeData:linkBackData];
+
+ UInt32 pdfLen = NSSwapHostLongToBig([pdfData length]); // big endian
+ NSData * lenData = [NSData dataWithBytes:&pdfLen length:4];
+ [file writeData:lenData];
+ [file closeFile];
+ }
+ @catch (NSException * exception) {
+ NSLog(@"LinkBack exception in linkBackServerDidSendEdit: %@", exception);
+ }
+}
+
+@end
+
+
+///////////////////////////////////////////////////////////////////////
+
+static LyXLinkBackClient * linkBackClient = nil;
+
+int isLinkBackDataInPasteboard()
+{
+ NSArray * linkBackType = [NSArray arrayWithObjects: LinkBackPboardType, nil];
+ NSString * ret = [[NSPasteboard generalPasteboard] availableTypeFromArray:linkBackType];
+ return ret != nil;
+}
+
+
+void getLinkBackData(void const * * buf, unsigned * len)
+{
+ // get linkback data from pasteboard
+ NSPasteboard * pboard = [NSPasteboard generalPasteboard];
+ id linkBackData = [pboard propertyListForType:LinkBackPboardType];
+
+ NSData * nsdata
+ = [NSArchiver archivedDataWithRootObject:linkBackData];
+ if (nsdata == nil) {
+ *buf = 0;
+ *len = 0;
+ return;
+ }
+
+ *buf = [nsdata bytes];
+ *len = [nsdata length];
+}
+
+
+int editLinkBackFile(char const * docName)
+{
+ // setup Obj-C and our client
+ if (linkBackClient == nil)
+ linkBackClient = [[LyXLinkBackClient alloc] init];
+ if (pool == nil)
+ pool = [[NSAutoreleasePool alloc] init];
+
+ // FIXME: really UTF8 here?
+ NSString * nsDocName = [NSString stringWithUTF8String:docName];
+ return [linkBackClient edit:nsDocName] == YES;
+}
+
+
+void closeAllLinkBackLinks()
+{
+ [linkBackClient release];
+ linkBackClient = nil;
+
+ [pool release];
+ pool = nil;
+}
+
--- /dev/null
+//
+// LinkBackServer.h
+// LinkBack
+//
+// Created by Charles Jolley on Tue Jun 15 2004.
+// Copyright (c) 2004, Nisus Software, Inc.
+// All rights reserved.
+
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// 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.
+//
+// Neither the name of the Nisus Software, Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from this
+// software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER OR
+// 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>
+
+@class LinkBack ;
+@protocol LinkBackServerDelegate, LinkBackClientDelegate ;
+
+@protocol LinkBackServer
+- (LinkBack*)initiateLinkBackFromClient:(LinkBack*)clientLinkBack ;
+@end
+
+// This method is used as the standard way of constructing the actual server name a live link connection is posted under. It is constructed from the name and identifier.
+NSString* MakeLinkBackServerName(NSString* bundleIdentifier, NSString* name) ;
+
+// a LinkBack server is created for each published server. This simply responds to connection requests to create new live links.
+@interface LinkBackServer : NSObject <LinkBackServer> {
+ NSConnection* listener ;
+ NSString* name ;
+ id<LinkBackServerDelegate> delegate ;
+}
+
++ (LinkBackServer*)LinkBackServerWithName:(NSString*)name ;
++ (BOOL)publishServerWithName:(NSString*)name delegate:(id<LinkBackServerDelegate>)del ;
+
++ (LinkBackServer*)LinkBackServerWithName:(NSString*)name inApplication:(NSString*)bundleIdentifier launchIfNeeded:(BOOL)flag fallbackURL:(NSURL*)url appName:(NSString*)appName ;
+
+// This method is used by clients to connect
+
+- (id)initWithName:(NSString*)name delegate:(id<LinkBackServerDelegate>)aDel;
+
+- (BOOL)publish ; // creates the connection and adds to the list.
+- (void)retract ;
+
+@end
--- /dev/null
+//
+// LinkBackServer.m
+// LinkBack
+//
+// Created by Charles Jolley on Tue Jun 15 2004.
+// Copyright (c) 2004, Nisus Software, Inc.
+// All rights reserved.
+
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// 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.
+//
+// Neither the name of the Nisus Software, Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from this
+// software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER OR
+// 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 "LinkBackServer.h"
+#import "LinkBack.h"
+
+NSString* MakeLinkBackServerName(NSString* bundleIdentifier, NSString* name)
+{
+ return [bundleIdentifier stringByAppendingFormat: @":%@",name] ;
+}
+
+NSMutableDictionary* LinkBackServers = nil ;
+
+@implementation LinkBackServer
+
++ (void)initialize
+{
+ static BOOL inited = NO ;
+ if (inited) return ;
+
+ [super initialize] ;
+ inited = YES ;
+
+ if (!LinkBackServers) LinkBackServers = [[NSMutableDictionary alloc] init];
+}
+
++ (LinkBackServer*)LinkBackServerWithName:(NSString*)aName
+{
+ return [LinkBackServers objectForKey: aName] ;
+}
+
++ (BOOL)publishServerWithName:(NSString*)aName delegate:(id<LinkBackServerDelegate>)del
+{
+ LinkBackServer* serv = [[LinkBackServer alloc] initWithName: aName delegate: del] ;
+ BOOL ret = [serv publish] ; // retains if successful
+ [serv release] ;
+ return ret ;
+}
+
+BOOL LinkBackServerIsSupported(NSString* name, id supportedServers)
+{
+ BOOL ret = NO ;
+ int idx ;
+ NSString* curServer = supportedServers ;
+
+ // NOTE: supportedServers may be nil, an NSArray, or NSString.
+ if (supportedServers) {
+ if ([supportedServers isKindOfClass: [NSArray class]]) {
+ idx = [supportedServers count] ;
+ while((NO==ret) && (--idx >= 0)) {
+ curServer = [supportedServers objectAtIndex: idx] ;
+ ret = [curServer isEqualToString: name] ;
+ }
+ } else ret = [curServer isEqualToString: name] ;
+ }
+
+ return ret ;
+}
+
+NSString* FindLinkBackServer(NSString* bundleIdentifier, NSString* serverName, NSString* dir, int level)
+{
+ NSString* ret = nil ;
+
+ NSFileManager* fm = [NSFileManager defaultManager] ;
+ NSArray* contents = [fm directoryContentsAtPath: dir] ;
+ int idx ;
+
+ NSLog(@"searching for %@ in folder: %@", serverName, dir) ;
+
+ // working info
+ NSString* cpath ;
+ NSBundle* cbundle ;
+ NSString* cbundleIdentifier ;
+ id supportedServers ;
+
+ // resolve any symlinks, expand tildes.
+ dir = [dir stringByStandardizingPath] ;
+
+ // find all .app bundles in the directory and test them.
+ idx = (contents) ? [contents count] : 0 ;
+ while((nil==ret) && (--idx >= 0)) {
+ cpath = [contents objectAtIndex: idx] ;
+
+ if ([[cpath pathExtension] isEqualToString: @"app"]) {
+ cpath = [dir stringByAppendingPathComponent: cpath] ;
+ cbundle = [NSBundle bundleWithPath: cpath] ;
+ cbundleIdentifier = [cbundle bundleIdentifier] ;
+
+ if ([cbundleIdentifier isEqualToString: bundleIdentifier]) {
+ supportedServers = [[cbundle infoDictionary] objectForKey: @"LinkBackServer"] ;
+ ret= (LinkBackServerIsSupported(serverName, supportedServers)) ? cpath : nil ;
+ }
+ }
+ }
+
+ // if the app was not found, descend into non-app dirs. only descend 4 levels to avoid taking forever.
+ if ((nil==ret) && (level<4)) {
+ idx = (contents) ? [contents count] : 0 ;
+ while((nil==ret) && (--idx >= 0)) {
+ BOOL isdir ;
+
+ cpath = [contents objectAtIndex: idx] ;
+ [fm fileExistsAtPath: cpath isDirectory: &isdir] ;
+ if (isdir && (![[cpath pathExtension] isEqualToString: @"app"])) {
+ cpath = [dir stringByAppendingPathComponent: cpath] ;
+ ret = FindLinkBackServer(bundleIdentifier, serverName, cpath, level+1) ;
+ }
+ }
+ }
+
+ return ret ;
+}
+
+void LinkBackRunAppNotFoundPanel(NSString* appName, NSURL* url)
+{
+ int result ;
+
+ // strings for panel
+ NSBundle* b = [NSBundle bundleForClass: [LinkBack class]] ;
+ NSString* title ;
+ NSString* msg ;
+ NSString* ok ;
+ NSString* urlstr ;
+
+ title = NSLocalizedStringFromTableInBundle(@"_AppNotFoundTitle", @"Localized", b, @"app not found title") ;
+ ok = NSLocalizedStringFromTableInBundle(@"_OK", @"Localized", b, @"ok") ;
+
+ msg = (url) ? NSLocalizedStringFromTableInBundle(@"_AppNotFoundMessageWithURL", @"Localized", b, @"app not found msg") : NSLocalizedStringFromTableInBundle(@"_AppNotFoundMessageNoURL", @"Localized", b, @"app not found msg") ;
+
+ urlstr = (url) ? NSLocalizedStringFromTableInBundle(@"_GetApplication", @"Localized", b, @"Get application") : nil ;
+
+ title = [NSString stringWithFormat: title, appName] ;
+
+ result = NSRunCriticalAlertPanel(title, msg, ok, urlstr, nil) ;
+ if (NSAlertAlternateReturn == result) {
+ [[NSWorkspace sharedWorkspace] openURL: url] ;
+ }
+}
+
++ (LinkBackServer*)LinkBackServerWithName:(NSString*)aName inApplication:(NSString*)bundleIdentifier launchIfNeeded:(BOOL)flag fallbackURL:(NSURL*)url appName:(NSString*)appName ;
+{
+ BOOL connect = YES ;
+ NSString* serverName = MakeLinkBackServerName(bundleIdentifier, aName) ;
+ id ret = nil ;
+ NSTimeInterval tryMark ;
+
+ // Try to connect
+ ret = [NSConnection rootProxyForConnectionWithRegisteredName: serverName host: nil] ;
+
+ // if launchIfNeeded, and the connection was not available, try to launch.
+ if((!ret) && (flag)) {
+ NSString* appPath ;
+ id linkBackServers ;
+
+ // first, try to find the app with the bundle identifier
+ appPath = [[NSWorkspace sharedWorkspace] absolutePathForAppBundleWithIdentifier: bundleIdentifier] ;
+ linkBackServers = [[[NSBundle bundleWithPath: appPath] infoDictionary] objectForKey: @"LinkBackServer"] ;
+ appPath = (LinkBackServerIsSupported(aName, linkBackServers)) ? appPath : nil ;
+
+ // if the found app is not supported, we will need to search for the app ourselves.
+ if (nil==appPath) appPath = FindLinkBackServer(bundleIdentifier, aName, @"/Applications",0);
+
+ if (nil==appPath) appPath = FindLinkBackServer(bundleIdentifier, aName, @"~/Applications",0);
+
+ if (nil==appPath) appPath = FindLinkBackServer(bundleIdentifier, aName, @"/Network/Applications",0);
+
+ // if app path has been found, launch the app.
+ if (appPath) {
+ [[NSWorkspace sharedWorkspace] launchApplication: appName] ;
+ } else {
+ LinkBackRunAppNotFoundPanel(appName, url) ;
+ connect = NO ;
+ }
+ }
+
+ // if needed, try to connect.
+ // retry connection for a while if we did not succeed at first. This gives the app time to launch.
+ if (connect && (nil==ret)) {
+ tryMark = [NSDate timeIntervalSinceReferenceDate] ;
+ do {
+ ret = [NSConnection rootProxyForConnectionWithRegisteredName: serverName host: nil] ;
+ } while ((!ret) && (([NSDate timeIntervalSinceReferenceDate]-tryMark)<10)) ;
+
+ }
+
+ // setup protocol and return
+ if (ret) [ret setProtocolForProxy: @protocol(LinkBackServer)] ;
+ return ret ;
+}
+
+- (id)initWithName:(NSString*)aName delegate:(id<LinkBackServerDelegate>)aDel
+{
+ if (self = [super init]) {
+ name = [aName copy] ;
+ delegate = aDel ;
+ listener = nil ;
+ }
+
+ return self ;
+}
+
+- (void)dealloc
+{
+ if (listener) [self retract] ;
+ [name release] ;
+ [super dealloc] ;
+}
+
+- (BOOL)publish
+{
+ NSString* serverName = MakeLinkBackServerName([[NSBundle mainBundle] bundleIdentifier], name) ;
+ BOOL ret = YES ;
+
+ // create listener and connect
+ NSPort* port = [NSPort port] ;
+ listener = [NSConnection connectionWithReceivePort: port sendPort:port] ;
+ [listener setRootObject: self] ;
+ ret = [listener registerName: serverName] ;
+
+ // if successful, retain connection and add self to list of servers.
+ if (ret) {
+ [listener retain] ;
+ [LinkBackServers setObject: self forKey: name] ;
+ } else listener = nil ; // listener will dealloc on its own.
+
+ return ret ;
+}
+
+- (void)retract
+{
+ if (listener) {
+ [listener invalidate] ;
+ [listener release] ;
+ listener = nil ;
+ }
+
+ [LinkBackServers removeObjectForKey: name] ;
+}
+
+- (LinkBack*)initiateLinkBackFromClient:(LinkBack*)clientLinkBack
+{
+ LinkBack* ret = [[LinkBack alloc] initServerWithClient: clientLinkBack delegate: delegate] ;
+
+ // NOTE: we do not release because LinkBack will release itself when it the link closes. (caj)
+
+ return ret ;
+}
+
+@end