/*
* 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 WebMessagePortChannel_h
#define WebMessagePortChannel_h
#include "WebCommon.h"
#include "WebVector.h"
namespace blink {
class WebMessagePortChannelClient;
class WebString;
typedef WebVector<class WebMessagePortChannel*> WebMessagePortChannelArray;
// Provides an interface to a Message Port Channel implementation. The object owns itself and
// is signalled that its not needed anymore with the destroy() call.
class WebMessagePortChannel {
public:
virtual void setClient(WebMessagePortChannelClient*) = 0;
virtual void destroy() = 0;
// WebKit versions of WebCore::MessagePortChannel.
virtual void entangle(WebMessagePortChannel*) = 0;
// Callee receives ownership of the passed vector.
// FIXME: Blob refs should be passed to maintain ref counts. crbug.com/351753
virtual void postMessage(const WebString&, WebMessagePortChannelArray*) = 0;
virtual bool tryGetMessage(WebString*, WebMessagePortChannelArray&) = 0;
protected:
~WebMessagePortChannel() { }
};
} // namespace blink
#if INSIDE_BLINK
namespace WTF {
template<typename T> struct OwnedPtrDeleter;
template<> struct OwnedPtrDeleter<blink::WebMessagePortChannel> {
static void deletePtr(blink::WebMessagePortChannel* channel)
{
if (channel)
channel->destroy();
}
};
} // namespace WTF
#endif // INSIDE_BLINK
#endif // WebMessagePortChannel_h