The Tor Browser / file comparison
comparison: intl/icu/source/common/servnotf.cpp
intl/icu/source/common/servnotf.cpp
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
equal
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replaced
| -1:000000000000 | 0:636a2ae9b370 |
|---|---|
| 1 /** | |
| 2 ******************************************************************************* | |
| 3 * Copyright (C) 2001-2012, International Business Machines Corporation and * | |
| 4 * others. All Rights Reserved. * | |
| 5 ******************************************************************************* | |
| 6 */ | |
| 7 | |
| 8 #include "unicode/utypes.h" | |
| 9 | |
| 10 #if !UCONFIG_NO_SERVICE | |
| 11 | |
| 12 #include "servnotf.h" | |
| 13 #ifdef NOTIFIER_DEBUG | |
| 14 #include <stdio.h> | |
| 15 #endif | |
| 16 | |
| 17 U_NAMESPACE_BEGIN | |
| 18 | |
| 19 EventListener::~EventListener() {} | |
| 20 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(EventListener) | |
| 21 | |
| 22 static UMutex notifyLock = U_MUTEX_INITIALIZER; | |
| 23 | |
| 24 ICUNotifier::ICUNotifier(void) | |
| 25 : listeners(NULL) | |
| 26 { | |
| 27 } | |
| 28 | |
| 29 ICUNotifier::~ICUNotifier(void) { | |
| 30 { | |
| 31 Mutex lmx(¬ifyLock); | |
| 32 delete listeners; | |
| 33 listeners = NULL; | |
| 34 } | |
| 35 } | |
| 36 | |
| 37 | |
| 38 void | |
| 39 ICUNotifier::addListener(const EventListener* l, UErrorCode& status) | |
| 40 { | |
| 41 if (U_SUCCESS(status)) { | |
| 42 if (l == NULL) { | |
| 43 status = U_ILLEGAL_ARGUMENT_ERROR; | |
| 44 return; | |
| 45 } | |
| 46 | |
| 47 if (acceptsListener(*l)) { | |
| 48 Mutex lmx(¬ifyLock); | |
| 49 if (listeners == NULL) { | |
| 50 listeners = new UVector(5, status); | |
| 51 } else { | |
| 52 for (int i = 0, e = listeners->size(); i < e; ++i) { | |
| 53 const EventListener* el = (const EventListener*)(listeners->elementAt(i)); | |
| 54 if (l == el) { | |
| 55 return; | |
| 56 } | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 listeners->addElement((void*)l, status); // cast away const | |
| 61 } | |
| 62 #ifdef NOTIFIER_DEBUG | |
| 63 else { | |
| 64 fprintf(stderr, "Listener invalid for this notifier."); | |
| 65 exit(1); | |
| 66 } | |
| 67 #endif | |
| 68 } | |
| 69 } | |
| 70 | |
| 71 void | |
| 72 ICUNotifier::removeListener(const EventListener *l, UErrorCode& status) | |
| 73 { | |
| 74 if (U_SUCCESS(status)) { | |
| 75 if (l == NULL) { | |
| 76 status = U_ILLEGAL_ARGUMENT_ERROR; | |
| 77 return; | |
| 78 } | |
| 79 | |
| 80 { | |
| 81 Mutex lmx(¬ifyLock); | |
| 82 if (listeners != NULL) { | |
| 83 // identity equality check | |
| 84 for (int i = 0, e = listeners->size(); i < e; ++i) { | |
| 85 const EventListener* el = (const EventListener*)listeners->elementAt(i); | |
| 86 if (l == el) { | |
| 87 listeners->removeElementAt(i); | |
| 88 if (listeners->size() == 0) { | |
| 89 delete listeners; | |
| 90 listeners = NULL; | |
| 91 } | |
| 92 return; | |
| 93 } | |
| 94 } | |
| 95 } | |
| 96 } | |
| 97 } | |
| 98 } | |
| 99 | |
| 100 void | |
| 101 ICUNotifier::notifyChanged(void) | |
| 102 { | |
| 103 if (listeners != NULL) { | |
| 104 Mutex lmx(¬ifyLock); | |
| 105 if (listeners != NULL) { | |
| 106 for (int i = 0, e = listeners->size(); i < e; ++i) { | |
| 107 EventListener* el = (EventListener*)listeners->elementAt(i); | |
| 108 notifyListener(*el); | |
| 109 } | |
| 110 } | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 U_NAMESPACE_END | |
| 115 | |
| 116 /* UCONFIG_NO_SERVICE */ | |
| 117 #endif | |
| 118 |
