The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/intl/icu/source/common/servnotf.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,118 @@
     1.4 +/**
     1.5 + *******************************************************************************
     1.6 + * Copyright (C) 2001-2012, International Business Machines Corporation and    *
     1.7 + * others. All Rights Reserved.                                                *
     1.8 + *******************************************************************************
     1.9 + */
    1.10 +
    1.11 +#include "unicode/utypes.h"
    1.12 +
    1.13 +#if !UCONFIG_NO_SERVICE
    1.14 +
    1.15 +#include "servnotf.h"
    1.16 +#ifdef NOTIFIER_DEBUG
    1.17 +#include <stdio.h>
    1.18 +#endif
    1.19 +
    1.20 +U_NAMESPACE_BEGIN
    1.21 +
    1.22 +EventListener::~EventListener() {}
    1.23 +UOBJECT_DEFINE_RTTI_IMPLEMENTATION(EventListener)
    1.24 +
    1.25 +static UMutex notifyLock = U_MUTEX_INITIALIZER;
    1.26 +
    1.27 +ICUNotifier::ICUNotifier(void) 
    1.28 +: listeners(NULL) 
    1.29 +{
    1.30 +}
    1.31 +
    1.32 +ICUNotifier::~ICUNotifier(void) {
    1.33 +    {
    1.34 +        Mutex lmx(&notifyLock);
    1.35 +        delete listeners;
    1.36 +        listeners = NULL;
    1.37 +    }
    1.38 +}
    1.39 +
    1.40 +
    1.41 +void 
    1.42 +ICUNotifier::addListener(const EventListener* l, UErrorCode& status) 
    1.43 +{
    1.44 +    if (U_SUCCESS(status)) {
    1.45 +        if (l == NULL) {
    1.46 +            status = U_ILLEGAL_ARGUMENT_ERROR;
    1.47 +            return;
    1.48 +        }
    1.49 +
    1.50 +        if (acceptsListener(*l)) {
    1.51 +            Mutex lmx(&notifyLock);
    1.52 +            if (listeners == NULL) {
    1.53 +                listeners = new UVector(5, status);
    1.54 +            } else {
    1.55 +                for (int i = 0, e = listeners->size(); i < e; ++i) {
    1.56 +                    const EventListener* el = (const EventListener*)(listeners->elementAt(i));
    1.57 +                    if (l == el) {
    1.58 +                        return;
    1.59 +                    }
    1.60 +                }
    1.61 +            }
    1.62 +
    1.63 +            listeners->addElement((void*)l, status); // cast away const
    1.64 +        }
    1.65 +#ifdef NOTIFIER_DEBUG
    1.66 +        else {
    1.67 +            fprintf(stderr, "Listener invalid for this notifier.");
    1.68 +            exit(1);
    1.69 +        }
    1.70 +#endif
    1.71 +    }
    1.72 +}
    1.73 +
    1.74 +void 
    1.75 +ICUNotifier::removeListener(const EventListener *l, UErrorCode& status) 
    1.76 +{
    1.77 +    if (U_SUCCESS(status)) {
    1.78 +        if (l == NULL) {
    1.79 +            status = U_ILLEGAL_ARGUMENT_ERROR;
    1.80 +            return;
    1.81 +        }
    1.82 +
    1.83 +        {
    1.84 +            Mutex lmx(&notifyLock);
    1.85 +            if (listeners != NULL) {
    1.86 +                // identity equality check
    1.87 +                for (int i = 0, e = listeners->size(); i < e; ++i) {
    1.88 +                    const EventListener* el = (const EventListener*)listeners->elementAt(i);
    1.89 +                    if (l == el) {
    1.90 +                        listeners->removeElementAt(i);
    1.91 +                        if (listeners->size() == 0) {
    1.92 +                            delete listeners;
    1.93 +                            listeners = NULL;
    1.94 +                        }
    1.95 +                        return;
    1.96 +                    }
    1.97 +                }
    1.98 +            }
    1.99 +        }
   1.100 +    }
   1.101 +}
   1.102 +
   1.103 +void 
   1.104 +ICUNotifier::notifyChanged(void) 
   1.105 +{
   1.106 +    if (listeners != NULL) {
   1.107 +        Mutex lmx(&notifyLock);
   1.108 +        if (listeners != NULL) {
   1.109 +            for (int i = 0, e = listeners->size(); i < e; ++i) {
   1.110 +                EventListener* el = (EventListener*)listeners->elementAt(i);
   1.111 +                notifyListener(*el);
   1.112 +            }
   1.113 +        }
   1.114 +    }
   1.115 +}
   1.116 +
   1.117 +U_NAMESPACE_END
   1.118 +
   1.119 +/* UCONFIG_NO_SERVICE */
   1.120 +#endif
   1.121 +