--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/win/WebNotificationCenter.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,219 @@
+/*
+ * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "WebKitDLL.h"
+#include "WebNotificationCenter.h"
+
+#include "WebNotification.h"
+#pragma warning(push, 0)
+#include <WebCore/COMPtr.h>
+#include <WebCore/PlatformString.h>
+#include <WebCore/StringHash.h>
+#include <wtf/HashMap.h>
+#include <wtf/HashTraits.h>
+#include <wtf/Vector.h>
+#pragma warning(pop)
+#include <tchar.h>
+#include <utility>
+
+using namespace WebCore;
+
+typedef std::pair<COMPtr<IUnknown>, COMPtr<IWebNotificationObserver> > ObjectObserverPair;
+typedef Vector<ObjectObserverPair> ObjectObserverList;
+typedef ObjectObserverList::iterator ObserverListIterator;
+typedef HashMap<String, ObjectObserverList> MappedObservers;
+
+struct WebNotificationCenterPrivate {
+    MappedObservers m_mappedObservers;
+};
+
+// WebNotificationCenter ----------------------------------------------------------------
+
+IWebNotificationCenter* WebNotificationCenter::m_defaultCenter = 0;
+
+WebNotificationCenter::WebNotificationCenter()
+    : m_refCount(0)
+    , d(new WebNotificationCenterPrivate)
+{
+    gClassCount++;
+    gClassNameCount.add("WebNotificationCenter");
+}
+
+WebNotificationCenter::~WebNotificationCenter()
+{
+    gClassCount--;
+    gClassNameCount.remove("WebNotificationCenter");
+}
+
+WebNotificationCenter* WebNotificationCenter::createInstance()
+{
+    WebNotificationCenter* instance = new WebNotificationCenter();
+    instance->AddRef();
+    return instance;
+}
+
+// IUnknown -------------------------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE WebNotificationCenter::QueryInterface(REFIID riid, void** ppvObject)
+{
+    *ppvObject = 0;
+    if (IsEqualGUID(riid, IID_IUnknown))
+        *ppvObject = static_cast<IWebNotificationCenter*>(this);
+    else if (IsEqualGUID(riid, IID_IWebNotificationCenter))
+        *ppvObject = static_cast<IWebNotificationCenter*>(this);
+    else
+        return E_NOINTERFACE;
+
+    AddRef();
+    return S_OK;
+}
+
+ULONG STDMETHODCALLTYPE WebNotificationCenter::AddRef(void)
+{
+    return ++m_refCount;
+}
+
+ULONG STDMETHODCALLTYPE WebNotificationCenter::Release(void)
+{
+    ULONG newRef = --m_refCount;
+    if (!newRef)
+        delete(this);
+
+    return newRef;
+}
+
+IWebNotificationCenter* WebNotificationCenter::defaultCenterInternal()
+{
+    if (!m_defaultCenter)
+        m_defaultCenter = WebNotificationCenter::createInstance();
+    return m_defaultCenter;
+}
+
+void WebNotificationCenter::postNotificationInternal(IWebNotification* notification, BSTR notificationName, IUnknown* anObject)
+{
+    String name(notificationName, SysStringLen(notificationName));
+    MappedObservers::iterator it = d->m_mappedObservers.find(name);
+    if (it == d->m_mappedObservers.end())
+        return;
+
+    // Intentionally make a copy of the list to avoid the possibility of errors
+    // from a mutation of the list in the onNotify callback.
+    ObjectObserverList list = it->second;
+
+    ObserverListIterator end = list.end();
+    for (ObserverListIterator it2 = list.begin(); it2 != end; ++it2) {
+        IUnknown* observedObject = it2->first.get();
+        IWebNotificationObserver* observer = it2->second.get();
+        if (!observedObject || !anObject || observedObject == anObject)
+            observer->onNotify(notification);
+    }
+}
+
+// IWebNotificationCenter -----------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE WebNotificationCenter::defaultCenter( 
+    /* [retval][out] */ IWebNotificationCenter** center)
+{
+    *center = defaultCenterInternal();
+    (*center)->AddRef();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebNotificationCenter::addObserver( 
+    /* [in] */ IWebNotificationObserver* observer,
+    /* [in] */ BSTR notificationName,
+    /* [in] */ IUnknown* anObject)
+{
+    String name(notificationName, SysStringLen(notificationName));
+    MappedObservers::iterator it = d->m_mappedObservers.find(name);
+    if (it != d->m_mappedObservers.end())
+        it->second.append(ObjectObserverPair(anObject, observer));
+    else {
+        ObjectObserverList list;
+        list.append(ObjectObserverPair(anObject, observer));
+        d->m_mappedObservers.add(name, list);
+    }
+
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebNotificationCenter::postNotification( 
+    /* [in] */ IWebNotification* notification)
+{
+    BSTR name;
+    HRESULT hr = notification->name(&name);
+    if (FAILED(hr))
+        return hr;
+
+    COMPtr<IUnknown> obj;
+    hr = notification->getObject(&obj);
+    if (FAILED(hr))
+        return hr;
+
+    postNotificationInternal(notification, name, obj.get());
+    SysFreeString(name);
+
+    return hr;
+}
+
+HRESULT STDMETHODCALLTYPE WebNotificationCenter::postNotificationName( 
+    /* [in] */ BSTR notificationName,
+    /* [in] */ IUnknown* anObject,
+    /* [optional][in] */ IPropertyBag* userInfo)
+{
+    COMPtr<WebNotification> notification(AdoptCOM, WebNotification::createInstance(notificationName, anObject, userInfo));
+    postNotificationInternal(notification.get(), notificationName, anObject);
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebNotificationCenter::removeObserver( 
+    /* [in] */ IWebNotificationObserver* anObserver,
+    /* [in] */ BSTR notificationName,
+    /* [optional][in] */ IUnknown* anObject)
+{
+    String name(notificationName, SysStringLen(notificationName));
+    MappedObservers::iterator it = d->m_mappedObservers.find(name);
+    if (it == d->m_mappedObservers.end())
+        return E_FAIL;
+
+    ObjectObserverList& observerList = it->second;
+    ObserverListIterator end = observerList.end();
+
+    int i = 0;
+    for (ObserverListIterator it2 = observerList.begin(); it2 != end; ++it2, ++i) {
+        IUnknown* observedObject = it2->first.get();
+        IWebNotificationObserver* observer = it2->second.get();
+        if (observer == anObserver && (!anObject || anObject == observedObject)) {
+            observerList.remove(i);
+            break;
+        }
+    }
+
+    if (observerList.isEmpty())
+        d->m_mappedObservers.remove(name);
+
+    return S_OK;
+}