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/*
* Copyright (C) 2011 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 INC. AND ITS 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 APPLE INC. OR ITS 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 "WebConnectionToWebProcess.h"
#include "WebConnectionMessageKinds.h"
#include "WebContextUserMessageCoders.h"
#include "WebProcessProxy.h"
using namespace WebCore;
namespace WebKit {
PassRefPtr<WebConnectionToWebProcess> WebConnectionToWebProcess::create(WebProcessProxy* process, CoreIPC::Connection::Identifier connectionIdentifier, RunLoop* runLoop)
{
return adoptRef(new WebConnectionToWebProcess(process, connectionIdentifier, runLoop));
}
WebConnectionToWebProcess::WebConnectionToWebProcess(WebProcessProxy* process, CoreIPC::Connection::Identifier connectionIdentifier, RunLoop* runLoop)
: m_process(process)
, m_connection(CoreIPC::Connection::createServerConnection(connectionIdentifier, this, runLoop))
{
#if OS(DARWIN)
m_connection->setShouldCloseConnectionOnMachExceptions();
#elif PLATFORM(QT)
m_connection->setShouldCloseConnectionOnProcessTermination(process->processIdentifier());
#endif
}
void WebConnectionToWebProcess::invalidate()
{
m_connection->invalidate();
m_connection = nullptr;
m_process = 0;
}
// WebConnection
void WebConnectionToWebProcess::postMessage(const String& messageName, APIObject* messageBody)
{
// We need to check if we have an underlying process here since a user of the API can hold
// onto us and call postMessage even after the process has been invalidated.
if (!m_process)
return;
m_process->deprecatedSend(WebConnectionLegacyMessage::PostMessage, 0, CoreIPC::In(messageName, WebContextUserMessageEncoder(messageBody)));
}
// CoreIPC::Connection::Client
void WebConnectionToWebProcess::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments)
{
if (messageID.is<CoreIPC::MessageClassWebConnectionLegacy>()) {
switch (messageID.get<WebConnectionLegacyMessage::Kind>()) {
case WebConnectionLegacyMessage::PostMessage: {
String messageName;
RefPtr<APIObject> messageBody;
WebContextUserMessageDecoder messageDecoder(messageBody, m_process->context());
if (!arguments->decode(CoreIPC::Out(messageName, messageDecoder)))
return;
forwardDidReceiveMessageToClient(messageName, messageBody.get());
return;
}
}
return;
}
m_process->didReceiveMessage(connection, messageID, arguments);
}
void WebConnectionToWebProcess::didReceiveSyncMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments, OwnPtr<CoreIPC::ArgumentEncoder>& reply)
{
m_process->didReceiveSyncMessage(connection, messageID, arguments, reply);
}
void WebConnectionToWebProcess::didClose(CoreIPC::Connection* connection)
{
RefPtr<WebConnectionToWebProcess> protector(this);
m_process->didClose(connection);
// Tell the API client that the connection closed.
m_client.didClose(this);
}
void WebConnectionToWebProcess::didReceiveInvalidMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID)
{
RefPtr<WebConnectionToWebProcess> protector = this;
RefPtr<WebProcessProxy> process = m_process;
// This will invalidate the CoreIPC::Connection and the WebProcessProxy member
// variables, so we should be careful not to use them after this call.
process->didReceiveInvalidMessage(connection, messageID);
// Since we've invalidated the connection we'll never get a CoreIPC::Connection::Client::didClose
// callback so we'll explicitly call it here instead.
process->didClose(connection);
// Tell the API client that the connection closed.
m_client.didClose(this);
}
void WebConnectionToWebProcess::syncMessageSendTimedOut(CoreIPC::Connection* connection)
{
m_process->syncMessageSendTimedOut(connection);
}
#if PLATFORM(WIN)
Vector<HWND> WebConnectionToWebProcess::windowsToReceiveSentMessagesWhileWaitingForSyncReply()
{
return m_process->windowsToReceiveSentMessagesWhileWaitingForSyncReply();
}
#endif
} // namespace WebKit
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