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intl/icu/source/common/servnotf.cpp@fc2d59ddac77 (annotated)

intl/icu/source/common/servnotf.cpp

Wed, 31 Dec 2014 07:22:50 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 07:22:50 +0100

branch

TOR_BUG_3246

changeset 4

fc2d59ddac77

permissions

-rw-r--r--

Correct previous dual key logic pending first delivery installment.

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