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-rw-r--r--webkit/api/src/PlatformMessagePortChannel.h96
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diff --git a/webkit/api/src/PlatformMessagePortChannel.h b/webkit/api/src/PlatformMessagePortChannel.h
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-/*
- * Copyright (C) 2009 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 PlatformMessagePortChannel_h
-#define PlatformMessagePortChannel_h
-
-// FIXME: This relative path is a temporary hack to support using this
-// header from webkit/glue.
-#include "../public/WebMessagePortChannelClient.h"
-
-#include "MessagePortChannel.h"
-
-#include <wtf/PassRefPtr.h>
-#include <wtf/Threading.h>
-
-namespace WebKit {
-class WebMessagePortChannel;
-}
-
-namespace WebCore {
-
-class MessagePort;
-
-// PlatformMessagePortChannel is a platform-dependent interface to the remote side of a message channel.
-class PlatformMessagePortChannel : public ThreadSafeShared<PlatformMessagePortChannel>,
- public WebKit::WebMessagePortChannelClient {
-public:
- static void createChannel(PassRefPtr<MessagePort>, PassRefPtr<MessagePort>);
- static PassRefPtr<PlatformMessagePortChannel> create();
- static PassRefPtr<PlatformMessagePortChannel> create(WebKit::WebMessagePortChannel*);
-
- // APIs delegated from MessagePortChannel.h
- bool entangleIfOpen(MessagePort*);
- void disentangle();
- void postMessageToRemote(PassOwnPtr<MessagePortChannel::EventData>);
- bool tryGetMessageFromRemote(OwnPtr<MessagePortChannel::EventData>&);
- void close();
- bool isConnectedTo(MessagePort* port);
- bool hasPendingActivity();
-
- // Releases ownership of the contained web channel.
- WebKit::WebMessagePortChannel* webChannelRelease();
-
- ~PlatformMessagePortChannel();
-
-private:
- PlatformMessagePortChannel();
- PlatformMessagePortChannel(WebKit::WebMessagePortChannel*);
-
- void setEntangledChannel(PassRefPtr<PlatformMessagePortChannel>);
-
- // WebKit::WebMessagePortChannelClient implementation
- virtual void messageAvailable();
-
- // Mutex used to ensure exclusive access to the object internals.
- Mutex m_mutex;
-
- // Pointer to our entangled pair - cleared when close() is called.
- RefPtr<PlatformMessagePortChannel> m_entangledChannel;
-
- // The port we are connected to - this is the port that is notified when new messages arrive.
- MessagePort* m_localPort;
-
- WebKit::WebMessagePortChannel* m_webChannel;
-};
-
-} // namespace WebCore
-
-#endif // PlatformMessagePortChannel_h