Source/WebKit2/WebProcess/WebConnectionToUIProcess.cpp

   1 /*
   2  * Copyright (C) 2011 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  23  * THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "WebConnectionToUIProcess.h"
  28
  29 #include "InjectedBundleUserMessageCoders.h"
  30 #include "WebConnectionMessageKinds.h"
  31 #include "WebProcess.h"
  32
  33 using namespace WebCore;
  34
  35 namespace WebKit {
  36
  37 PassRefPtr<WebConnectionToUIProcess> WebConnectionToUIProcess::create(WebProcess* process, CoreIPC::Connection::Identifier connectionIdentifier, RunLoop* runLoop)
  38 {
  39     return adoptRef(new WebConnectionToUIProcess(process, connectionIdentifier, runLoop));
  40 }
  41
  42 WebConnectionToUIProcess::WebConnectionToUIProcess(WebProcess* process, CoreIPC::Connection::Identifier connectionIdentifier, RunLoop* runLoop)
  43     : m_process(process)
  44     , m_connection(CoreIPC::Connection::createClientConnection(connectionIdentifier, this, runLoop))
  45 {
  46     m_connection->setDidCloseOnConnectionWorkQueueCallback(ChildProcess::didCloseOnConnectionWorkQueue);
  47     m_connection->setShouldExitOnSyncMessageSendFailure(true);
  48 }
  49
  50 void WebConnectionToUIProcess::invalidate()
  51 {
  52     m_connection->invalidate();
  53     m_connection = nullptr;
  54     m_process = 0;
  55 }
  56
  57 // WebConnection
  58
  59 void WebConnectionToUIProcess::postMessage(const String& messageName, APIObject* messageBody)
  60 {
  61     if (!m_process)
  62         return;
  63
  64     m_connection->deprecatedSend(WebConnectionLegacyMessage::PostMessage, 0, CoreIPC::In(messageName, InjectedBundleUserMessageEncoder(messageBody)));
  65 }
  66
  67 // CoreIPC::Connection::Client
  68
  69 void WebConnectionToUIProcess::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments)
  70 {
  71     if (messageID.is<CoreIPC::MessageClassWebConnectionLegacy>()) {
  72         switch (messageID.get<WebConnectionLegacyMessage::Kind>()) {
  73             case WebConnectionLegacyMessage::PostMessage: {
  74                 String messageName;
  75                 RefPtr<APIObject> messageBody;
  76                 InjectedBundleUserMessageDecoder messageDecoder(messageBody);
  77                 if (!arguments->decode(CoreIPC::Out(messageName, messageDecoder)))
  78                     return;
  79
  80                 forwardDidReceiveMessageToClient(messageName, messageBody.get());
  81                 return;
  82             }
  83         }
  84         return;
  85     }
  86
  87     m_process->didReceiveMessage(connection, messageID, arguments);
  88 }
  89
  90 void WebConnectionToUIProcess::didReceiveSyncMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments, OwnPtr<CoreIPC::ArgumentEncoder>& reply)
  91 {
  92     m_process->didReceiveSyncMessage(connection, messageID, arguments, reply);
  93 }
  94
  95 void WebConnectionToUIProcess::didClose(CoreIPC::Connection* connection)
  96 {
  97     m_process->didClose(connection);
  98 }
  99
 100 void WebConnectionToUIProcess::didReceiveInvalidMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID)
 101 {
 102     m_process->didReceiveInvalidMessage(connection, messageID);
 103 }
 104
 105 void WebConnectionToUIProcess::syncMessageSendTimedOut(CoreIPC::Connection* connection)
 106 {
 107     m_process->syncMessageSendTimedOut(connection);
 108 }
 109
 110 #if PLATFORM(WIN)
 111 Vector<HWND> WebConnectionToUIProcess::windowsToReceiveSentMessagesWhileWaitingForSyncReply()
 112 {
 113     return m_process->windowsToReceiveSentMessagesWhileWaitingForSyncReply();
 114 }
 115 #endif
 116
 117 } // namespace WebKit