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Unified Diff: icu46/source/common/servnotf.cpp

Issue 5516007: Check in the pristine copy of ICU 4.6... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/
Patch Set: Created 10 years ago
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Index: icu46/source/common/servnotf.cpp
===================================================================
--- icu46/source/common/servnotf.cpp (revision 0)
+++ icu46/source/common/servnotf.cpp (revision 0)
@@ -0,0 +1,118 @@
+/**
+ *******************************************************************************
+ * Copyright (C) 2001-2006, International Business Machines Corporation and *
+ * others. All Rights Reserved. *
+ *******************************************************************************
+ */
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_SERVICE
+
+#include "servnotf.h"
+#ifdef NOTIFIER_DEBUG
+#include <stdio.h>
+#endif
+
+U_NAMESPACE_BEGIN
+
+EventListener::~EventListener() {}
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(EventListener)
+
+ICUNotifier::ICUNotifier(void)
+: notifyLock(0), listeners(NULL)
+{
+ umtx_init(&notifyLock);
+}
+
+ICUNotifier::~ICUNotifier(void) {
+ {
+ Mutex lmx(&notifyLock);
+ delete listeners;
+ listeners = NULL;
+ }
+ umtx_destroy(&notifyLock);
+}
+
+
+void
+ICUNotifier::addListener(const EventListener* l, UErrorCode& status)
+{
+ if (U_SUCCESS(status)) {
+ if (l == NULL) {
+ status = U_ILLEGAL_ARGUMENT_ERROR;
+ return;
+ }
+
+ if (acceptsListener(*l)) {
+ Mutex lmx(&notifyLock);
+ if (listeners == NULL) {
+ listeners = new UVector(5, status);
+ } else {
+ for (int i = 0, e = listeners->size(); i < e; ++i) {
+ const EventListener* el = (const EventListener*)(listeners->elementAt(i));
+ if (l == el) {
+ return;
+ }
+ }
+ }
+
+ listeners->addElement((void*)l, status); // cast away const
+ }
+#ifdef NOTIFIER_DEBUG
+ else {
+ fprintf(stderr, "Listener invalid for this notifier.");
+ exit(1);
+ }
+#endif
+ }
+}
+
+void
+ICUNotifier::removeListener(const EventListener *l, UErrorCode& status)
+{
+ if (U_SUCCESS(status)) {
+ if (l == NULL) {
+ status = U_ILLEGAL_ARGUMENT_ERROR;
+ return;
+ }
+
+ {
+ Mutex lmx(&notifyLock);
+ if (listeners != NULL) {
+ // identity equality check
+ for (int i = 0, e = listeners->size(); i < e; ++i) {
+ const EventListener* el = (const EventListener*)listeners->elementAt(i);
+ if (l == el) {
+ listeners->removeElementAt(i);
+ if (listeners->size() == 0) {
+ delete listeners;
+ listeners = NULL;
+ }
+ return;
+ }
+ }
+ }
+ }
+ }
+}
+
+void
+ICUNotifier::notifyChanged(void)
+{
+ if (listeners != NULL) {
+ Mutex lmx(&notifyLock);
+ if (listeners != NULL) {
+ for (int i = 0, e = listeners->size(); i < e; ++i) {
+ EventListener* el = (EventListener*)listeners->elementAt(i);
+ notifyListener(*el);
+ }
+ }
+ }
+}
+
+U_NAMESPACE_END
+
+/* UCONFIG_NO_SERVICE */
+#endif
+
Property changes on: icu46/source/common/servnotf.cpp
___________________________________________________________________
Added: svn:eol-style
+ LF
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