CFUserNotification.c

   1 /*
   2  * Copyright (c) 2009 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*      CFUserNotification.c
  24         Copyright (c) 2000-2009, Apple Inc.  All rights reserved.
  25         Responsibility: Doug Davidson
  26 */
  27
  28 #include <CoreFoundation/CFUserNotification.h>
  29 #include <CoreFoundation/CFPropertyList.h>
  30 #include <CoreFoundation/CFNumber.h>
  31 #include <CoreFoundation/CFRunLoop.h>
  32 #include "CFInternal.h"
  33 #include <CoreFoundation/CFMachPort.h>
  34 #include <stdlib.h>
  35 #include <unistd.h>
  36 #include <stdio.h>
  37 #include <mach/mach.h>
  38 #include <mach/error.h>
  39 #include <bootstrap_priv.h>
  40 #include <limits.h>
  41 #include <errno.h>
  42 #include <pthread.h>
  43
  44
  45 #define CFUserNotificationLog(alertHeader, alertMessage) CFLog(3, CFSTR("%@:  %@"), alertHeader, alertMessage);
  46
  47 enum {
  48     kCFUserNotificationCancelFlag = (1 << 3),
  49     kCFUserNotificationUpdateFlag = (1 << 4)
  50 };
  51
  52 CONST_STRING_DECL(kCFUserNotificationTokenKey, "Token")
  53 CONST_STRING_DECL(kCFUserNotificationTimeoutKey, "Timeout")
  54 CONST_STRING_DECL(kCFUserNotificationFlagsKey, "Flags")
  55 CONST_STRING_DECL(kCFUserNotificationIconPathKey, "IconPath")
  56 CONST_STRING_DECL(kCFUserNotificationSoundPathKey, "SoundPath")
  57 CONST_STRING_DECL(kCFUserNotificationLocalizationPathKey, "LocalizationPath")
  58 CONST_STRING_DECL(kCFUserNotificationAlertSourceKey, "AlertSource")
  59 CONST_STRING_DECL(kCFUserNotificationTextFieldLabelsKey, "TextFieldTitles")
  60 CONST_STRING_DECL(kCFUserNotificationCheckBoxLabelsKey, "CheckBoxTitles")
  61 CONST_STRING_DECL(kCFUserNotificationIconURLKey, "IconURL")
  62 CONST_STRING_DECL(kCFUserNotificationSoundURLKey, "SoundURL")
  63 CONST_STRING_DECL(kCFUserNotificationLocalizationURLKey, "LocalizationURL")
  64 CONST_STRING_DECL(kCFUserNotificationAlertHeaderKey, "AlertHeader")
  65 CONST_STRING_DECL(kCFUserNotificationAlertMessageKey, "AlertMessage")
  66 CONST_STRING_DECL(kCFUserNotificationDefaultButtonTitleKey, "DefaultButtonTitle")
  67 CONST_STRING_DECL(kCFUserNotificationAlternateButtonTitleKey, "AlternateButtonTitle")
  68 CONST_STRING_DECL(kCFUserNotificationOtherButtonTitleKey, "OtherButtonTitle")
  69 CONST_STRING_DECL(kCFUserNotificationProgressIndicatorValueKey, "ProgressIndicatorValue")
  70 CONST_STRING_DECL(kCFUserNotificationSessionIDKey, "SessionID")
  71 CONST_STRING_DECL(kCFUserNotificationPopUpTitlesKey, "PopUpTitles")
  72 CONST_STRING_DECL(kCFUserNotificationTextFieldTitlesKey, "TextFieldTitles")
  73 CONST_STRING_DECL(kCFUserNotificationCheckBoxTitlesKey, "CheckBoxTitles")
  74 CONST_STRING_DECL(kCFUserNotificationTextFieldValuesKey, "TextFieldValues")
  75 CONST_STRING_DECL(kCFUserNotificationPopUpSelectionKey, "PopUpSelection")
  76 CONST_STRING_DECL(kCFUserNotificationKeyboardTypesKey, "KeyboardTypes")
  77 CONST_STRING_DECL(kCFUserNotificationAlertTopMostKey, "AlertTopMost") // boolean value
  78
  79
  80 static CFTypeID __kCFUserNotificationTypeID = _kCFRuntimeNotATypeID;
  81
  82 struct __CFUserNotification {
  83     CFRuntimeBase _base;
  84     SInt32 _replyPort;
  85     SInt32 _token;
  86     CFTimeInterval _timeout;
  87     CFOptionFlags _requestFlags;
  88     CFOptionFlags _responseFlags;
  89     CFStringRef _sessionID;
  90     CFDictionaryRef _responseDictionary;
  91     CFMachPortRef _machPort;
  92     CFUserNotificationCallBack _callout;
  93 };
  94
  95 static CFStringRef __CFUserNotificationCopyDescription(CFTypeRef cf) {
  96     CFMutableStringRef result;
  97     result = CFStringCreateMutable(CFGetAllocator(cf), 0);
  98     CFStringAppendFormat(result, NULL, CFSTR("<CFUserNotification %p>"), cf);
  99     return result;
 100 }
 101
 102 #define MAX_STRING_LENGTH PATH_MAX
 103 #define MAX_STRING_COUNT 16
 104 #define MAX_PORT_NAME_LENGTH 63
 105 #define NOTIFICATION_PORT_NAME_SUFFIX ".session."
 106 #define MESSAGE_TIMEOUT 100
 107 #if DEPLOYMENT_TARGET_MACOSX
 108 #define NOTIFICATION_PORT_NAME "com.apple.UNCUserNotification"
 109 #elif DEPLOYMENT_TARGET_EMBEDDED
 110 #define NOTIFICATION_PORT_NAME "com.apple.SBUserNotification"
 111 #else
 112 #error Unknown or unspecified DEPLOYMENT_TARGET
 113 #endif
 114
 115
 116 static void __CFUserNotificationDeallocate(CFTypeRef cf);
 117
 118 static const CFRuntimeClass __CFUserNotificationClass = {
 119     0,
 120     "CFUserNotification",
 121     NULL,      // init
 122     NULL,      // copy
 123     __CFUserNotificationDeallocate,
 124     NULL,      // equal
 125     NULL,      // hash
 126     NULL,      //
 127     __CFUserNotificationCopyDescription
 128 };
 129
 130 __private_extern__ void __CFUserNotificationInitialize(void) {
 131     __kCFUserNotificationTypeID = _CFRuntimeRegisterClass(&__CFUserNotificationClass);
 132 }
 133
 134 CFTypeID CFUserNotificationGetTypeID(void) {
 135     if (_kCFRuntimeNotATypeID == __kCFUserNotificationTypeID) __CFUserNotificationInitialize();
 136     return __kCFUserNotificationTypeID;
 137 }
 138
 139 static void __CFUserNotificationDeallocate(CFTypeRef cf) {
 140     CFUserNotificationRef userNotification = (CFUserNotificationRef)cf;
 141     if (userNotification->_machPort) {
 142         CFMachPortInvalidate(userNotification->_machPort);
 143         CFRelease(userNotification->_machPort);
 144     } else if (MACH_PORT_NULL != userNotification->_replyPort) {
 145         mach_port_destroy(mach_task_self(), userNotification->_replyPort);
 146     }
 147     if (userNotification->_sessionID) CFRelease(userNotification->_sessionID);
 148     if (userNotification->_responseDictionary) CFRelease(userNotification->_responseDictionary);
 149 }
 150
 151 static void _CFUserNotificationAddToDictionary(const void *key, const void *value, void *context) {
 152     if (CFGetTypeID(key) == CFStringGetTypeID()) CFDictionarySetValue((CFMutableDictionaryRef)context, key, value);
 153 }
 154
 155 static CFDictionaryRef _CFUserNotificationModifiedDictionary(CFAllocatorRef allocator, CFDictionaryRef dictionary, SInt32 token, SInt32 timeout, CFStringRef source) {
 156     CFMutableDictionaryRef md = CFDictionaryCreateMutable(allocator, 0, &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
 157     CFNumberRef tokenNumber = CFNumberCreate(allocator, kCFNumberSInt32Type, &token);
 158     CFNumberRef timeoutNumber = CFNumberCreate(allocator, kCFNumberSInt32Type, &timeout);
 159     CFURLRef url = NULL;
 160     CFStringRef path = NULL;
 161
 162     if (dictionary) CFDictionaryApplyFunction(dictionary, _CFUserNotificationAddToDictionary, md);
 163     if (source) CFDictionaryAddValue(md, kCFUserNotificationAlertSourceKey, source);
 164     if (tokenNumber) {
 165         CFDictionaryAddValue(md, kCFUserNotificationTokenKey, tokenNumber);
 166         CFRelease(tokenNumber);
 167     }
 168     if (timeoutNumber) {
 169         CFDictionaryAddValue(md, kCFUserNotificationTimeoutKey, timeoutNumber);
 170         CFRelease(timeoutNumber);
 171     }
 172
 173     url = CFDictionaryGetValue(md, kCFUserNotificationIconURLKey);
 174     if (url && CFGetTypeID((CFTypeRef)url) == CFURLGetTypeID()) {
 175         url = CFURLCopyAbsoluteURL(url);
 176         CFDictionaryRemoveValue(md, kCFUserNotificationIconURLKey);
 177         path = CFURLCopyFileSystemPath(url, kCFURLPOSIXPathStyle);
 178         CFDictionaryAddValue(md, kCFUserNotificationIconPathKey, path);
 179         CFRelease(url);
 180         CFRelease(path);
 181     }
 182     url = CFDictionaryGetValue(md, kCFUserNotificationSoundURLKey);
 183     if (url && CFGetTypeID((CFTypeRef)url) == CFURLGetTypeID()) {
 184         url = CFURLCopyAbsoluteURL(url);
 185         CFDictionaryRemoveValue(md, kCFUserNotificationSoundURLKey);
 186         path = CFURLCopyFileSystemPath(url, kCFURLPOSIXPathStyle);
 187         CFDictionaryAddValue(md, kCFUserNotificationSoundPathKey, path);
 188         CFRelease(url);
 189         CFRelease(path);
 190     }
 191     url = CFDictionaryGetValue(md, kCFUserNotificationLocalizationURLKey);
 192     if (url && CFGetTypeID((CFTypeRef)url) == CFURLGetTypeID()) {
 193         url = CFURLCopyAbsoluteURL(url);
 194         CFDictionaryRemoveValue(md, kCFUserNotificationLocalizationURLKey);
 195         path = CFURLCopyFileSystemPath(url, kCFURLPOSIXPathStyle);
 196         CFDictionaryAddValue(md, kCFUserNotificationLocalizationPathKey, path);
 197         CFRelease(url);
 198         CFRelease(path);
 199     }
 200     return md;
 201 }
 202
 203 static SInt32 _CFUserNotificationSendRequest(CFAllocatorRef allocator, CFStringRef sessionID, mach_port_t replyPort, SInt32 token, CFTimeInterval timeout, CFOptionFlags flags, CFDictionaryRef dictionary) {
 204     CFDictionaryRef modifiedDictionary = NULL;
 205     SInt32 retval = ERR_SUCCESS, itimeout = (timeout > 0.0 && timeout < INT_MAX) ? (SInt32)timeout : 0;
 206     CFDataRef data;
 207     mach_msg_base_t *msg = NULL;
 208     mach_port_t bootstrapPort = MACH_PORT_NULL, serverPort = MACH_PORT_NULL;
 209     CFIndex size;
 210     char namebuffer[MAX_PORT_NAME_LENGTH + 1];
 211
 212     strlcpy(namebuffer, NOTIFICATION_PORT_NAME, sizeof(namebuffer));
 213     if (sessionID) {
 214         char sessionid[MAX_PORT_NAME_LENGTH + 1];
 215         CFIndex len = MAX_PORT_NAME_LENGTH - sizeof(NOTIFICATION_PORT_NAME) - sizeof(NOTIFICATION_PORT_NAME_SUFFIX);
 216         CFStringGetBytes(sessionID, CFRangeMake(0, CFStringGetLength(sessionID)), kCFStringEncodingUTF8, 0, false, (uint8_t *)sessionid, len, &size);
 217         sessionid[len - 1] = '\0';
 218         strlcat(namebuffer, NOTIFICATION_PORT_NAME_SUFFIX, sizeof(namebuffer));
 219         strlcat(namebuffer, sessionid, sizeof(namebuffer));
 220     }
 221
 222     retval = task_get_bootstrap_port(mach_task_self(), &bootstrapPort);
 223     if (ERR_SUCCESS == retval && MACH_PORT_NULL != bootstrapPort) retval = bootstrap_look_up2(bootstrapPort, namebuffer, &serverPort, 0, 0);
 224     if (ERR_SUCCESS == retval && MACH_PORT_NULL != serverPort) {
 225         modifiedDictionary = _CFUserNotificationModifiedDictionary(allocator, dictionary, token, itimeout, _CFProcessNameString());
 226         if (modifiedDictionary) {
 227             data = CFPropertyListCreateXMLData(allocator, modifiedDictionary);
 228             if (data) {
 229                 size = sizeof(mach_msg_base_t) + ((CFDataGetLength(data) + 3) & (~0x3));
 230                 msg = (mach_msg_base_t *)CFAllocatorAllocate(allocator, size, 0);
 231                 if (__CFOASafe) __CFSetLastAllocationEventName(msg, "CFUserNotification (temp)");
 232                 if (msg) {
 233                     memset(msg, 0, size);
 234                     msg->header.msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_COPY_SEND, MACH_MSG_TYPE_MAKE_SEND_ONCE);
 235                     msg->header.msgh_size = size;
 236                     msg->header.msgh_remote_port = serverPort;
 237                     msg->header.msgh_local_port = replyPort;
 238                     msg->header.msgh_id = flags;
 239                     msg->body.msgh_descriptor_count = 0;
 240                     CFDataGetBytes(data, CFRangeMake(0, CFDataGetLength(data)), (uint8_t *)msg + sizeof(mach_msg_base_t));
 241                     //CFShow(CFStringCreateWithBytes(kCFAllocatorSystemDefault, (UInt8 *)msg + sizeof(mach_msg_base_t), CFDataGetLength(data), kCFStringEncodingUTF8, false));
 242                     retval = mach_msg((mach_msg_header_t *)msg, MACH_SEND_MSG|MACH_SEND_TIMEOUT, size, 0, MACH_PORT_NULL, MESSAGE_TIMEOUT, MACH_PORT_NULL);
 243                     CFAllocatorDeallocate(allocator, msg);
 244                 } else {
 245                     retval = unix_err(ENOMEM);
 246                 }
 247                 CFRelease(data);
 248             } else {
 249                 retval = unix_err(ENOMEM);
 250             }
 251             CFRelease(modifiedDictionary);
 252         } else {
 253             retval = unix_err(ENOMEM);
 254         }
 255     }
 256     return retval;
 257 }
 258
 259 CFUserNotificationRef CFUserNotificationCreate(CFAllocatorRef allocator, CFTimeInterval timeout, CFOptionFlags flags, SInt32 *error, CFDictionaryRef dictionary) {
 260     CHECK_FOR_FORK();
 261     CFUserNotificationRef userNotification = NULL;
 262     SInt32 retval = ERR_SUCCESS;
 263     static uint16_t tokenCounter = 0;
 264     SInt32 token = ((getpid() << 16) | (tokenCounter++));
 265     CFStringRef sessionID = (dictionary ? CFDictionaryGetValue(dictionary, kCFUserNotificationSessionIDKey) : NULL);
 266     mach_port_t replyPort = MACH_PORT_NULL;
 267
 268     if (!allocator) allocator = __CFGetDefaultAllocator();
 269     retval = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &replyPort);
 270     if (ERR_SUCCESS == retval && MACH_PORT_NULL != replyPort) retval = _CFUserNotificationSendRequest(allocator, sessionID, replyPort, token, timeout, flags, dictionary);
 271     if (ERR_SUCCESS == retval) {
 272         userNotification = (CFUserNotificationRef)_CFRuntimeCreateInstance(allocator, CFUserNotificationGetTypeID(), sizeof(struct __CFUserNotification) - sizeof(CFRuntimeBase), NULL);
 273         if (userNotification) {
 274             userNotification->_replyPort = replyPort;
 275             userNotification->_token = token;
 276             userNotification->_timeout = timeout;
 277             userNotification->_requestFlags = flags;
 278             userNotification->_responseFlags = 0;
 279             userNotification->_sessionID = NULL;
 280             userNotification->_responseDictionary = NULL;
 281             userNotification->_machPort = NULL;
 282             userNotification->_callout = NULL;
 283             if (sessionID) userNotification->_sessionID = CFStringCreateCopy(allocator, sessionID);
 284         } else {
 285             retval = unix_err(ENOMEM);
 286         }
 287     } else {
 288         if (dictionary) CFUserNotificationLog(CFDictionaryGetValue(dictionary, kCFUserNotificationAlertHeaderKey), CFDictionaryGetValue(dictionary, kCFUserNotificationAlertMessageKey));
 289     }
 290     if (ERR_SUCCESS != retval && MACH_PORT_NULL != replyPort) mach_port_destroy(mach_task_self(), replyPort);
 291     if (error) *error = retval;
 292     return userNotification;
 293 }
 294
 295 static void _CFUserNotificationMachPortCallBack(CFMachPortRef port, void *m, CFIndex size, void *info) {
 296     CFUserNotificationRef userNotification = (CFUserNotificationRef)info;
 297     mach_msg_base_t *msg = (mach_msg_base_t *)m;
 298     CFOptionFlags responseFlags = msg->header.msgh_id;
 299     if (msg->header.msgh_size > sizeof(mach_msg_base_t)) {
 300         CFDataRef responseData = CFDataCreate(kCFAllocatorSystemDefault, (uint8_t *)msg + sizeof(mach_msg_base_t), msg->header.msgh_size - sizeof(mach_msg_base_t));
 301         if (responseData) {
 302             userNotification->_responseDictionary = CFPropertyListCreateFromXMLData(kCFAllocatorSystemDefault, responseData, kCFPropertyListImmutable, NULL);
 303             CFRelease(responseData);
 304         }
 305     }
 306     CFMachPortInvalidate(userNotification->_machPort);
 307     CFRelease(userNotification->_machPort);
 308     userNotification->_machPort = NULL;
 309     mach_port_destroy(mach_task_self(), userNotification->_replyPort);
 310     userNotification->_replyPort = MACH_PORT_NULL;
 311     userNotification->_callout(userNotification, responseFlags);
 312 }
 313
 314 SInt32 CFUserNotificationReceiveResponse(CFUserNotificationRef userNotification, CFTimeInterval timeout, CFOptionFlags *responseFlags) {
 315     CHECK_FOR_FORK();
 316     SInt32 retval = ERR_SUCCESS;
 317     mach_msg_timeout_t msgtime = (timeout > 0.0 && 1000.0 * timeout < INT_MAX) ? (mach_msg_timeout_t)(1000.0 * timeout) : 0;
 318     mach_msg_base_t *msg = NULL;
 319     CFIndex size = MAX_STRING_COUNT * MAX_STRING_LENGTH;
 320     CFDataRef responseData;
 321
 322     if (userNotification && MACH_PORT_NULL != userNotification->_replyPort) {
 323         msg = (mach_msg_base_t *)CFAllocatorAllocate(CFGetAllocator(userNotification), size, 0);
 324         if (__CFOASafe) __CFSetLastAllocationEventName(msg, "CFUserNotification (temp)");
 325         if (msg) {
 326             memset(msg, 0, size);
 327             msg->header.msgh_size = size;
 328             if (msgtime > 0) {
 329                 retval = mach_msg((mach_msg_header_t *)msg, MACH_RCV_MSG|MACH_RCV_TIMEOUT, 0, size, userNotification->_replyPort, msgtime, MACH_PORT_NULL);
 330             } else {
 331                 retval = mach_msg((mach_msg_header_t *)msg, MACH_RCV_MSG, 0, size, userNotification->_replyPort, 0, MACH_PORT_NULL);
 332             }
 333             if (ERR_SUCCESS == retval) {
 334                 if (responseFlags) *responseFlags = msg->header.msgh_id;
 335                 if (msg->header.msgh_size > sizeof(mach_msg_base_t)) {
 336                     responseData = CFDataCreate(kCFAllocatorSystemDefault, (uint8_t *)msg + sizeof(mach_msg_base_t), msg->header.msgh_size - sizeof(mach_msg_base_t));
 337                     if (responseData) {
 338                         userNotification->_responseDictionary = CFPropertyListCreateFromXMLData(kCFAllocatorSystemDefault, responseData, kCFPropertyListImmutable, NULL);
 339                         CFRelease(responseData);
 340                     }
 341                 }
 342                 if (userNotification->_machPort) {
 343                     CFMachPortInvalidate(userNotification->_machPort);
 344                     CFRelease(userNotification->_machPort);
 345                     userNotification->_machPort = NULL;
 346                 }
 347                 mach_port_destroy(mach_task_self(), userNotification->_replyPort);
 348                 userNotification->_replyPort = MACH_PORT_NULL;
 349             }
 350             CFAllocatorDeallocate(CFGetAllocator(userNotification), msg);
 351         } else {
 352             retval = unix_err(ENOMEM);
 353         }
 354     }
 355     return retval;
 356 }
 357
 358 CFStringRef CFUserNotificationGetResponseValue(CFUserNotificationRef userNotification, CFStringRef key, CFIndex idx) {
 359     CHECK_FOR_FORK();
 360     CFStringRef retval = NULL;
 361     CFTypeRef value = NULL;
 362     if (userNotification && userNotification->_responseDictionary) {
 363         value = CFDictionaryGetValue(userNotification->_responseDictionary, key);
 364         if (CFGetTypeID(value) == CFStringGetTypeID()) {
 365             if (0 == idx) retval = (CFStringRef)value;
 366         } else if (CFGetTypeID(value) == CFArrayGetTypeID()) {
 367             if (0 <= idx && idx < CFArrayGetCount((CFArrayRef)value)) retval = (CFStringRef)CFArrayGetValueAtIndex((CFArrayRef)value, idx);
 368         }
 369     }
 370     return retval;
 371 }
 372
 373 CFDictionaryRef CFUserNotificationGetResponseDictionary(CFUserNotificationRef userNotification) {
 374     CHECK_FOR_FORK();
 375     return userNotification ? userNotification->_responseDictionary : NULL;
 376 }
 377
 378 SInt32 CFUserNotificationUpdate(CFUserNotificationRef userNotification, CFTimeInterval timeout, CFOptionFlags flags, CFDictionaryRef dictionary) {
 379     CHECK_FOR_FORK();
 380     SInt32 retval = ERR_SUCCESS;
 381     if (userNotification && MACH_PORT_NULL != userNotification->_replyPort) retval = _CFUserNotificationSendRequest(CFGetAllocator(userNotification), userNotification->_sessionID, userNotification->_replyPort, userNotification->_token, timeout, flags|kCFUserNotificationUpdateFlag, dictionary);
 382     return retval;
 383 }
 384
 385 SInt32 CFUserNotificationCancel(CFUserNotificationRef userNotification) {
 386     CHECK_FOR_FORK();
 387     SInt32 retval = ERR_SUCCESS;
 388     if (userNotification && MACH_PORT_NULL != userNotification->_replyPort) retval = _CFUserNotificationSendRequest(CFGetAllocator(userNotification), userNotification->_sessionID, userNotification->_replyPort, userNotification->_token, 0, kCFUserNotificationCancelFlag, NULL);
 389     return retval;
 390 }
 391
 392 CFRunLoopSourceRef CFUserNotificationCreateRunLoopSource(CFAllocatorRef allocator, CFUserNotificationRef userNotification, CFUserNotificationCallBack callout, CFIndex order) {
 393     CHECK_FOR_FORK();
 394     CFRunLoopSourceRef source = NULL;
 395     if (userNotification && callout && !userNotification->_machPort && MACH_PORT_NULL != userNotification->_replyPort) {
 396         CFMachPortContext context = {0, userNotification, NULL, NULL, NULL};
 397         userNotification->_machPort = CFMachPortCreateWithPort(CFGetAllocator(userNotification), (mach_port_t)userNotification->_replyPort, _CFUserNotificationMachPortCallBack, &context, NULL);
 398     }
 399     if (userNotification && userNotification->_machPort) {
 400         source = CFMachPortCreateRunLoopSource(allocator, userNotification->_machPort, order);
 401         userNotification->_callout = callout;
 402     }
 403     return source;
 404 }
 405
 406 SInt32 CFUserNotificationDisplayNotice(CFTimeInterval timeout, CFOptionFlags flags, CFURLRef iconURL, CFURLRef soundURL, CFURLRef localizationURL, CFStringRef alertHeader, CFStringRef alertMessage, CFStringRef defaultButtonTitle) {
 407     CHECK_FOR_FORK();
 408     CFUserNotificationRef userNotification;
 409     SInt32 retval = ERR_SUCCESS;
 410     CFMutableDictionaryRef dict = CFDictionaryCreateMutable(kCFAllocatorSystemDefault, 0, &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
 411     if (iconURL) CFDictionaryAddValue(dict, kCFUserNotificationIconURLKey, iconURL);
 412     if (soundURL) CFDictionaryAddValue(dict, kCFUserNotificationSoundURLKey, soundURL);
 413     if (localizationURL) CFDictionaryAddValue(dict, kCFUserNotificationLocalizationURLKey, localizationURL);
 414     if (alertHeader) CFDictionaryAddValue(dict, kCFUserNotificationAlertHeaderKey, alertHeader);
 415     if (alertMessage) CFDictionaryAddValue(dict, kCFUserNotificationAlertMessageKey, alertMessage);
 416     if (defaultButtonTitle) CFDictionaryAddValue(dict, kCFUserNotificationDefaultButtonTitleKey, defaultButtonTitle);
 417     userNotification = CFUserNotificationCreate(kCFAllocatorSystemDefault, timeout, flags, &retval, dict);
 418     if (userNotification) CFRelease(userNotification);
 419     CFRelease(dict);
 420     return retval;
 421 }
 422
 423
 424 CF_EXPORT SInt32 CFUserNotificationDisplayAlert(CFTimeInterval timeout, CFOptionFlags flags, CFURLRef iconURL, CFURLRef soundURL, CFURLRef localizationURL, CFStringRef alertHeader, CFStringRef alertMessage, CFStringRef defaultButtonTitle, CFStringRef alternateButtonTitle, CFStringRef otherButtonTitle, CFOptionFlags *responseFlags) {
 425     CHECK_FOR_FORK();
 426     CFUserNotificationRef userNotification;
 427     SInt32 retval = ERR_SUCCESS;
 428     CFMutableDictionaryRef dict = CFDictionaryCreateMutable(kCFAllocatorSystemDefault, 0, &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
 429     if (iconURL) CFDictionaryAddValue(dict, kCFUserNotificationIconURLKey, iconURL);
 430     if (soundURL) CFDictionaryAddValue(dict, kCFUserNotificationSoundURLKey, soundURL);
 431     if (localizationURL) CFDictionaryAddValue(dict, kCFUserNotificationLocalizationURLKey, localizationURL);
 432     if (alertHeader) CFDictionaryAddValue(dict, kCFUserNotificationAlertHeaderKey, alertHeader);
 433     if (alertMessage) CFDictionaryAddValue(dict, kCFUserNotificationAlertMessageKey, alertMessage);
 434     if (defaultButtonTitle) CFDictionaryAddValue(dict, kCFUserNotificationDefaultButtonTitleKey, defaultButtonTitle);
 435     if (alternateButtonTitle) CFDictionaryAddValue(dict, kCFUserNotificationAlternateButtonTitleKey, alternateButtonTitle);
 436     if (otherButtonTitle) CFDictionaryAddValue(dict, kCFUserNotificationOtherButtonTitleKey, otherButtonTitle);
 437     userNotification = CFUserNotificationCreate(kCFAllocatorSystemDefault, timeout, flags, &retval, dict);
 438     if (userNotification) {
 439         retval = CFUserNotificationReceiveResponse(userNotification, timeout, responseFlags);
 440         if (MACH_RCV_TIMED_OUT == retval) {
 441             retval = CFUserNotificationCancel(userNotification);
 442             if (responseFlags) *responseFlags = kCFUserNotificationCancelResponse;
 443         }
 444         CFRelease(userNotification);
 445     }
 446     CFRelease(dict);
 447     return retval;
 448 }
 449
 450 #undef MAX_STRING_LENGTH
 451 #undef MAX_STRING_COUNT
 452 #undef NOTIFICATION_PORT_NAME
 453 #undef MESSAGE_TIMEOUT
 454 #undef MAX_PORT_NAME_LENGTH
 455 #undef NOTIFICATION_PORT_NAME_SUFFIX
 456