Revert of Remove support for legacy WebKit Notifications

Source/modules/notifications/NotificationBase.h

Index: Source/modules/notifications/NotificationBase.h
diff --git a/Source/modules/notifications/NotificationBase.h b/Source/modules/notifications/NotificationBase.h
new file mode 100644
index 0000000000000000000000000000000000000000..c336f2c6577f0cd721564acb7592b2f3d4c96f96
--- /dev/null
+++ b/Source/modules/notifications/NotificationBase.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2013 Google 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.
+ */
+
+#ifndef NotificationBase_h
+#define NotificationBase_h
+
+#include "bindings/v8/ScriptWrappable.h"
+#include "core/dom/ActiveDOMObject.h"
+#include "core/events/EventTarget.h"
+#include "modules/notifications/NotificationClient.h"
+#include "platform/text/TextDirection.h"
+#include "platform/weborigin/KURL.h"
+
+namespace WebCore {
+
+class ExecutionContext;
+class NotificationClient;
+
+class NotificationBase : public ScriptWrappable, public ActiveDOMObject, public EventTargetWithInlineData {
+public:
+    virtual ~NotificationBase();
+
+    // Calling show() may start asynchronous operation. If this object has
+    // a V8 wrapper, hasPendingActivity() prevents the wrapper from being
+    // collected while m_state is Showing, and so this instance stays alive
+    // until the operation completes. Otherwise, you need to hold a ref on this
+    // instance until the operation completes.
+    void show();
+
+    void close();
+
+    DEFINE_ATTRIBUTE_EVENT_LISTENER(click);
+    DEFINE_ATTRIBUTE_EVENT_LISTENER(show);
+    DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
+    DEFINE_ATTRIBUTE_EVENT_LISTENER(close);
+
+    void dispatchShowEvent();
+    void dispatchClickEvent();
+    void dispatchErrorEvent();
+    void dispatchCloseEvent();
+
+    String title() const { return m_title; }
+    String dir() const { return m_dir; }
+    String lang() const { return m_lang; }
+    String body() const { return m_body; }
+    String tag() const { return m_tag; }
+    String icon() const { return m_iconUrl; }
+
+    TextDirection direction() const;
+    KURL iconURL() const { return m_iconUrl; }
+
+    // FIXME: This should be made protected once legacy notifications have been removed.
+    void setDir(const String& dir) { m_dir = dir; }
+
+    static const String& permissionString(NotificationClient::Permission);
+
+    // EventTarget interface
+    virtual ExecutionContext* executionContext() const OVERRIDE FINAL { return ActiveDOMObject::executionContext(); }
+    virtual bool dispatchEvent(PassRefPtr<Event>) OVERRIDE FINAL;
+
+    // ActiveDOMObject interface
+    virtual void stop() OVERRIDE;
+    virtual bool hasPendingActivity() const OVERRIDE;
+
+protected:
+    NotificationBase(const String& title, ExecutionContext*, NotificationClient*);
+
+    void setLang(const String& lang) { m_lang = lang; }
+    void setBody(const String& body) { m_body = body; }
+    void setIconUrl(KURL iconUrl) { m_iconUrl = iconUrl; }
+    void setTag(const String& tag) { m_tag = tag; }
+
+private:
+    String m_title;
+    String m_dir;
+    String m_lang;
+    String m_body;
+    String m_tag;
+
+    KURL m_iconUrl;
+
+    enum NotificationState {
+        Idle = 0,
+        Showing = 1,
+        Closed = 2,
+    };
+
+    NotificationState m_state;
+
+    NotificationClient* m_client;
+};
+
+} // namespace WebCore
+
+#endif // NotificationBase_h