--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/notifications/Notification.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ * Copyright (C) 2009 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 THE COPYRIGHT
+ * OWNER 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"
+
+#if ENABLE(NOTIFICATIONS)
+
+#include "Notification.h"
+#include "NotificationContents.h"
+
+#include "Document.h"
+#include "EventNames.h"
+#include "ResourceRequest.h"
+#include "ResourceResponse.h"
+#include "ThreadableLoader.h"
+#include "WorkerContext.h"
+
+namespace WebCore {
+
+Notification::Notification(const KURL& url, ScriptExecutionContext* context, ExceptionCode& ec, NotificationPresenter* provider)
+    : ActiveDOMObject(context, this)
+    , m_isHTML(true)
+    , m_state(Idle)
+    , m_presenter(provider)
+{
+    ASSERT(m_presenter);
+    if (m_presenter->checkPermission(context) != NotificationPresenter::PermissionAllowed) {
+        ec = SECURITY_ERR;
+        return;
+    }
+
+    if (url.isEmpty() || !url.isValid()) {
+        ec = SYNTAX_ERR;
+        return;
+    }
+
+    m_notificationURL = url;
+}
+
+Notification::Notification(const NotificationContents& contents, ScriptExecutionContext* context, ExceptionCode& ec, NotificationPresenter* provider)
+    : ActiveDOMObject(context, this)
+    , m_isHTML(false)
+    , m_contents(contents)
+    , m_state(Idle)
+    , m_presenter(provider)
+{
+    ASSERT(m_presenter);
+    if (m_presenter->checkPermission(context) != NotificationPresenter::PermissionAllowed) {
+        ec = SECURITY_ERR;
+        return;
+    }
+
+    if (!contents.icon().isEmpty() && !contents.icon().isValid()) {
+        ec = SYNTAX_ERR;
+        return;
+    }
+}
+
+Notification::~Notification() 
+{
+    if (m_state == Loading) {
+        ASSERT_NOT_REACHED();
+        cancel();
+    }
+}
+
+void Notification::show() 
+{
+#if PLATFORM(QT)
+    if (iconURL().isEmpty()) {
+        // Set the state before actually showing, because
+        // handling of ondisplay may rely on that.
+        if (m_state == Idle) {
+            m_state = Showing;
+            m_presenter->show(this);
+        }
+    } else
+        startLoading();
+#else
+    // prevent double-showing
+    if (m_state == Idle && m_presenter->show(this))
+        m_state = Showing;
+#endif
+}
+
+void Notification::cancel() 
+{
+    switch (m_state) {
+    case Idle:
+        break;
+    case Loading:
+        m_state = Cancelled;
+        stopLoading();
+        break;
+    case Showing:
+        m_presenter->cancel(this);
+        break;
+    case Cancelled:
+        break;
+    }
+}
+
+EventTargetData* Notification::eventTargetData()
+{
+    return &m_eventTargetData;
+}
+
+EventTargetData* Notification::ensureEventTargetData()
+{
+    return &m_eventTargetData;
+}
+
+void Notification::contextDestroyed()
+{
+    ActiveDOMObject::contextDestroyed();
+    if (m_presenter)
+        m_presenter->notificationObjectDestroyed(this);
+}
+
+void Notification::startLoading()
+{
+    if (m_state != Idle)
+        return;
+    setPendingActivity(this);
+    m_state = Loading;
+    ThreadableLoaderOptions options;
+    options.sendLoadCallbacks = false;
+    options.sniffContent = false;
+    options.forcePreflight = false;
+    options.allowCredentials = AllowStoredCredentials;
+    options.crossOriginRequestPolicy = AllowCrossOriginRequests;
+    m_loader = ThreadableLoader::create(scriptExecutionContext(), this, ResourceRequest(iconURL()), options);
+}
+
+void Notification::stopLoading()
+{
+    m_iconData = 0;
+    RefPtr<ThreadableLoader> protect(m_loader);
+    m_loader->cancel();
+}
+
+void Notification::didReceiveResponse(const ResourceResponse& response)
+{
+    int status = response.httpStatusCode();
+    if (status && (status < 200 || status > 299)) {
+        stopLoading();
+        return;
+    }
+    m_iconData = SharedBuffer::create();
+}
+
+void Notification::didReceiveData(const char* data, int lengthReceived)
+{
+    m_iconData->append(data, lengthReceived);
+}
+
+void Notification::didFinishLoading(unsigned long)
+{
+    finishLoading();
+}
+
+void Notification::didFail(const ResourceError&)
+{
+    finishLoading();
+}
+
+void Notification::didFailRedirectCheck()
+{
+    finishLoading();
+}
+
+void Notification::didReceiveAuthenticationCancellation(const ResourceResponse&)
+{
+    finishLoading();
+}
+
+void Notification::finishLoading()
+{
+    if (m_state == Loading) {
+        if (m_presenter->show(this))
+            m_state = Showing;
+    }
+    unsetPendingActivity(this);
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(NOTIFICATIONS)