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/*
* Copyright (C) 2010, 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.
*/
#ifndef WebProcessProxy_h
#define WebProcessProxy_h
#include "PlatformProcessIdentifier.h"
#include "PluginInfoStore.h"
#include "ProcessLauncher.h"
#include "ProcessModel.h"
#include "ResponsivenessTimer.h"
#include "ThreadLauncher.h"
#include "WebConnectionToWebProcess.h"
#include "WebPageProxy.h"
#include "WebProcessProxyMessages.h"
#include <WebCore/LinkHash.h>
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class KURL;
};
namespace WebKit {
#if PLATFORM(MAC)
class SecItemRequestData;
class SecItemResponseData;
#endif
class WebBackForwardListItem;
class WebContext;
class WebPageGroup;
struct WebNavigationDataStore;
class WebProcessProxy : public RefCounted<WebProcessProxy>, CoreIPC::Connection::Client, ResponsivenessTimer::Client, ProcessLauncher::Client, ThreadLauncher::Client, CoreIPC::Connection::QueueClient {
public:
typedef HashMap<uint64_t, RefPtr<WebFrameProxy> > WebFrameProxyMap;
typedef HashMap<uint64_t, RefPtr<WebBackForwardListItem> > WebBackForwardListItemMap;
static PassRefPtr<WebProcessProxy> create(PassRefPtr<WebContext>);
~WebProcessProxy();
void terminate();
template<typename T> bool send(const T& message, uint64_t destinationID, unsigned messageSendFlags = 0);
template<typename U> bool sendSync(const U& message, const typename U::Reply& reply, uint64_t destinationID, double timeout = 1);
CoreIPC::Connection* connection() const
{
ASSERT(m_connection);
return m_connection->connection();
}
WebConnection* webConnection() const { return m_connection.get(); }
WebContext* context() const { return m_context.get(); }
PlatformProcessIdentifier processIdentifier() const { return m_processLauncher->processIdentifier(); }
WebPageProxy* webPage(uint64_t pageID) const;
PassRefPtr<WebPageProxy> createWebPage(PageClient*, WebContext*, WebPageGroup*);
void addExistingWebPage(WebPageProxy*, uint64_t pageID);
void removeWebPage(uint64_t pageID);
WebBackForwardListItem* webBackForwardItem(uint64_t itemID) const;
ResponsivenessTimer* responsivenessTimer() { return &m_responsivenessTimer; }
bool isValid() const { return m_connection; }
bool isLaunching() const;
bool canSendMessage() const { return isValid() || isLaunching(); }
WebFrameProxy* webFrame(uint64_t) const;
bool canCreateFrame(uint64_t frameID) const;
void frameCreated(uint64_t, WebFrameProxy*);
void disconnectFramesFromPage(WebPageProxy*); // Including main frame.
size_t frameCountInPage(WebPageProxy*) const; // Including main frame.
void updateTextCheckerState();
void registerNewWebBackForwardListItem(WebBackForwardListItem*);
void willAcquireUniversalFileReadSandboxExtension() { m_mayHaveUniversalFileReadSandboxExtension = true; }
void assumeReadAccessToBaseURL(const String&);
bool checkURLReceivedFromWebProcess(const String&);
bool checkURLReceivedFromWebProcess(const WebCore::KURL&);
static bool fullKeyboardAccessEnabled();
// FIXME: This variant of send is deprecated. All clients should move to an overload that take a message type.
template<typename E, typename T> bool deprecatedSend(E messageID, uint64_t destinationID, const T& arguments);
private:
explicit WebProcessProxy(PassRefPtr<WebContext>);
// Initializes the process or thread launcher which will begin launching the process.
void connect();
// Called when the web process has crashed or we know that it will terminate soon.
// Will potentially cause the WebProcessProxy object to be freed.
void disconnect();
bool sendMessage(CoreIPC::MessageID, PassOwnPtr<CoreIPC::ArgumentEncoder>, unsigned messageSendFlags);
// CoreIPC message handlers.
void addBackForwardItem(uint64_t itemID, const String& originalURLString, const String& urlString, const String& title, const CoreIPC::DataReference& backForwardData);
void didDestroyFrame(uint64_t);
void shouldTerminate(bool& shouldTerminate);
#if ENABLE(PLUGIN_PROCESS)
void getPluginProcessConnection(const String& pluginPath, PassRefPtr<Messages::WebProcessProxy::GetPluginProcessConnection::DelayedReply>);
void pluginSyncMessageSendTimedOut(const String& pluginPath);
#endif
#if PLATFORM(MAC)
void secItemRequest(CoreIPC::Connection*, uint64_t requestID, const SecItemRequestData&);
void secKeychainItemRequest(CoreIPC::Connection*, uint64_t requestID, const SecKeychainItemRequestData&);
#endif
// CoreIPC::Connection::Client
friend class WebConnectionToWebProcess;
virtual void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
virtual void didReceiveSyncMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, OwnPtr<CoreIPC::ArgumentEncoder>&);
virtual void didClose(CoreIPC::Connection*);
virtual void didReceiveInvalidMessage(CoreIPC::Connection*, CoreIPC::MessageID);
virtual void syncMessageSendTimedOut(CoreIPC::Connection*);
#if PLATFORM(WIN)
virtual Vector<HWND> windowsToReceiveSentMessagesWhileWaitingForSyncReply();
#endif
// CoreIPC::Connection::QueueClient
virtual void didReceiveMessageOnConnectionWorkQueue(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, bool& didHandleMessage);
// ResponsivenessTimer::Client
void didBecomeUnresponsive(ResponsivenessTimer*);
void didBecomeResponsive(ResponsivenessTimer*);
// ProcessLauncher::Client
virtual void didFinishLaunching(ProcessLauncher*, CoreIPC::Connection::Identifier);
// ThreadLauncher::Client
virtual void didFinishLaunching(ThreadLauncher*, CoreIPC::Connection::Identifier);
void didFinishLaunching(CoreIPC::Connection::Identifier);
// Implemented in generated WebProcessProxyMessageReceiver.cpp
void didReceiveWebProcessProxyMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
void didReceiveSyncWebProcessProxyMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder* arguments, OwnPtr<CoreIPC::ArgumentEncoder>& reply);
void didReceiveWebProcessProxyMessageOnConnectionWorkQueue(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder* arguments, bool& didHandleMessage);
ResponsivenessTimer m_responsivenessTimer;
// This is not a CoreIPC::Connection so that we can wrap the CoreIPC::Connection in
// an API object.
RefPtr<WebConnectionToWebProcess> m_connection;
Vector<std::pair<CoreIPC::Connection::OutgoingMessage, unsigned> > m_pendingMessages;
RefPtr<ProcessLauncher> m_processLauncher;
RefPtr<ThreadLauncher> m_threadLauncher;
RefPtr<WebContext> m_context;
bool m_mayHaveUniversalFileReadSandboxExtension; // True if a read extension for "/" was ever granted - we don't track whether WebProcess still has it.
HashSet<String> m_localPathsWithAssumedReadAccess;
HashMap<uint64_t, WebPageProxy*> m_pageMap;
WebFrameProxyMap m_frameMap;
WebBackForwardListItemMap m_backForwardListItemMap;
};
template<typename E, typename T>
bool WebProcessProxy::deprecatedSend(E messageID, uint64_t destinationID, const T& arguments)
{
OwnPtr<CoreIPC::ArgumentEncoder> argumentEncoder = CoreIPC::ArgumentEncoder::create(destinationID);
argumentEncoder->encode(arguments);
return sendMessage(CoreIPC::MessageID(messageID), argumentEncoder.release(), 0);
}
template<typename T>
bool WebProcessProxy::send(const T& message, uint64_t destinationID, unsigned messageSendFlags)
{
OwnPtr<CoreIPC::ArgumentEncoder> argumentEncoder = CoreIPC::ArgumentEncoder::create(destinationID);
argumentEncoder->encode(message);
return sendMessage(CoreIPC::MessageID(T::messageID), argumentEncoder.release(), messageSendFlags);
}
template<typename U>
bool WebProcessProxy::sendSync(const U& message, const typename U::Reply& reply, uint64_t destinationID, double timeout)
{
if (!m_connection)
return false;
return connection()->sendSync(message, reply, destinationID, timeout);
}
} // namespace WebKit
#endif // WebProcessProxy_h
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