WebKit/mac/Plugins/Hosted/NetscapePluginInstanceProxy.h - platform/external/webkit - Git at Google

 /*
  * Copyright (C) 2008 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. ``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
  * 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.
  */

 #if USE(PLUGIN_HOST_PROCESS)

 #ifndef NetscapePluginInstanceProxy_h
 #define NetscapePluginInstanceProxy_h

 #include <JavaScriptCore/Protect.h>
 #include <WebCore/Timer.h>
 #include <WebKit/npapi.h>
 #include <wtf/Deque.h>
 #include <wtf/HashMap.h>
 #include <wtf/PassRefPtr.h>
 #include <wtf/RefCounted.h>
 #include <wtf/RetainPtr.h>
 #include "WebKitPluginHostTypes.h"

 namespace WebCore {
     class String;
 }

 namespace JSC {
     namespace Bindings {
         class Instance;
         class RootObject;
     }
 }
 @class WebHostedNetscapePluginView;

 namespace WebKit {

 class HostedNetscapePluginStream;
 class NetscapePluginHostProxy;
 class ProxyInstance;

 class NetscapePluginInstanceProxy : public RefCounted<NetscapePluginInstanceProxy> {
 public:
     static PassRefPtr<NetscapePluginInstanceProxy> create(NetscapePluginHostProxy* pluginHostProxy, WebHostedNetscapePluginView *pluginView, bool fullFramePlugin)
     {
         return adoptRef(new NetscapePluginInstanceProxy(pluginHostProxy, pluginView, fullFramePlugin));
     }
     ~NetscapePluginInstanceProxy();

     uint32_t pluginID() const
     {
         ASSERT(m_pluginID);

         return m_pluginID;
     }
     uint32_t renderContextID() const { return m_renderContextID; }
     void setRenderContextID(uint32_t renderContextID) { m_renderContextID = renderContextID; }

     bool useSoftwareRenderer() const { return m_useSoftwareRenderer; }
     void setUseSoftwareRenderer(bool useSoftwareRenderer) { m_useSoftwareRenderer = useSoftwareRenderer; }

     WebHostedNetscapePluginView *pluginView() const { return m_pluginView; }
     NetscapePluginHostProxy* hostProxy() const { return m_pluginHostProxy; }

     bool cancelStreamLoad(uint32_t streamID, NPReason);
     void disconnectStream(HostedNetscapePluginStream*);

     void setManualStream(PassRefPtr<HostedNetscapePluginStream>);
     HostedNetscapePluginStream* manualStream() const { return m_manualStream.get(); }

     void pluginHostDied();

     void resize(NSRect size, NSRect clipRect, bool sync);
     void destroy();
     void focusChanged(bool hasFocus);
     void windowFocusChanged(bool hasFocus);
     void windowFrameChanged(NSRect frame);

     void mouseEvent(NSView *pluginView, NSEvent *, NPCocoaEventType);
     void keyEvent(NSView *pluginView, NSEvent *, NPCocoaEventType);
     void insertText(NSString *);
     bool wheelEvent(NSView *pluginView, NSEvent *);
     void syntheticKeyDownWithCommandModifier(int keyCode, char character);
     void flagsChanged(NSEvent *);
     void print(CGContextRef, unsigned width, unsigned height);

     void startTimers(bool throttleTimers);
     void stopTimers();

     void invalidateRect(double x, double y, double width, double height);

     // NPRuntime
     bool getWindowNPObject(uint32_t& objectID);
     bool getPluginElementNPObject(uint32_t& objectID);
     void releaseObject(uint32_t objectID);

     bool evaluate(uint32_t objectID, const WebCore::String& script, data_t& resultData, mach_msg_type_number_t& resultLength, bool allowPopups);
     bool invoke(uint32_t objectID, const JSC::Identifier& methodName, data_t argumentsData, mach_msg_type_number_t argumentsLength, data_t& resultData, mach_msg_type_number_t& resultLength);
     bool invokeDefault(uint32_t objectID, data_t argumentsData, mach_msg_type_number_t argumentsLength, data_t& resultData, mach_msg_type_number_t& resultLength);
     bool construct(uint32_t objectID, data_t argumentsData, mach_msg_type_number_t argumentsLength, data_t& resultData, mach_msg_type_number_t& resultLength);
     bool enumerate(uint32_t objectID, data_t& resultData, mach_msg_type_number_t& resultLength);

     bool getProperty(uint32_t objectID, const JSC::Identifier& propertyName, data_t &resultData, mach_msg_type_number_t& resultLength);
     bool getProperty(uint32_t objectID, unsigned propertyName, data_t &resultData, mach_msg_type_number_t& resultLength);
     bool setProperty(uint32_t objectID, const JSC::Identifier& propertyName, data_t valueData, mach_msg_type_number_t valueLength);
     bool setProperty(uint32_t objectID, unsigned propertyName, data_t valueData, mach_msg_type_number_t valueLength);
     bool removeProperty(uint32_t objectID, const JSC::Identifier& propertyName);
     bool removeProperty(uint32_t objectID, unsigned propertyName);
     bool hasProperty(uint32_t objectID, const JSC::Identifier& propertyName);
     bool hasProperty(uint32_t objectID, unsigned propertyName);
     bool hasMethod(uint32_t objectID, const JSC::Identifier& methodName);

     void status(const char* message);
     NPError loadURL(const char* url, const char* target, const char* postData, uint32_t postDataLength, LoadURLFlags, uint32_t& requestID);

     bool getCookies(data_t urlData, mach_msg_type_number_t urlLength, data_t& cookiesData, mach_msg_type_number_t& cookiesLength);
     bool setCookies(data_t urlData, mach_msg_type_number_t urlLength, data_t cookiesData, mach_msg_type_number_t cookiesLength);

     bool getProxy(data_t urlData, mach_msg_type_number_t urlLength, data_t& proxyData, mach_msg_type_number_t& proxyLength);
     bool getAuthenticationInfo(data_t protocolData, data_t hostData, uint32_t port, data_t schemeData, data_t realmData,
                                data_t& usernameData, mach_msg_type_number_t& usernameLength, data_t& passwordData, mach_msg_type_number_t& passwordLength);
     bool convertPoint(double sourceX, double sourceY, NPCoordinateSpace sourceSpace,
                       double& destX, double& destY, NPCoordinateSpace destSpace);

     PassRefPtr<JSC::Bindings::Instance> createBindingsInstance(PassRefPtr<JSC::Bindings::RootObject>);
     RetainPtr<NSData *> marshalValues(JSC::ExecState*, const JSC::ArgList& args);
     void marshalValue(JSC::ExecState*, JSC::JSValue value, data_t& resultData, mach_msg_type_number_t& resultLength);
     JSC::JSValue demarshalValue(JSC::ExecState*, const char* valueData, mach_msg_type_number_t valueLength);

     void addInstance(ProxyInstance*);
     void removeInstance(ProxyInstance*);

     void cleanup();
     void invalidate();

     void willCallPluginFunction();
     void didCallPluginFunction();
     bool shouldStop();

     uint32_t nextRequestID();

     uint32_t checkIfAllowedToLoadURL(const char* url, const char* target);
     void cancelCheckIfAllowedToLoadURL(uint32_t checkID);
     void checkIfAllowedToLoadURLResult(uint32_t checkID, bool allowed);

     void resolveURL(const char* url, const char* target, data_t& resolvedURLData, mach_msg_type_number_t& resolvedURLLength);

     void didDraw();
     void privateBrowsingModeDidChange(bool isPrivateBrowsingEnabled);

     // Reply structs
     struct Reply {
         enum Type {
             InstantiatePlugin,
             GetScriptableNPObject,
             BooleanAndData,
             Boolean
         };

         Reply(Type type)
             : m_type(type)
         {
         }

         virtual ~Reply() { }

         Type m_type;
     };

     struct InstantiatePluginReply : public Reply {
         static const int ReplyType = InstantiatePlugin;

         InstantiatePluginReply(kern_return_t resultCode, uint32_t renderContextID, boolean_t useSoftwareRenderer)
             : Reply(InstantiatePlugin)
             , m_resultCode(resultCode)
             , m_renderContextID(renderContextID)
             , m_useSoftwareRenderer(useSoftwareRenderer)
         {
         }

         kern_return_t m_resultCode;
         uint32_t m_renderContextID;
         boolean_t m_useSoftwareRenderer;
     };

     struct GetScriptableNPObjectReply : public Reply {
         static const Reply::Type ReplyType = GetScriptableNPObject;

         GetScriptableNPObjectReply(uint32_t objectID)
             : Reply(ReplyType)
             , m_objectID(objectID)
         {
         }

         uint32_t m_objectID;
     };

     struct BooleanReply : public Reply {
         static const Reply::Type ReplyType = Boolean;

         BooleanReply(boolean_t result)
             : Reply(ReplyType)
             , m_result(result)
         {
         }

         boolean_t m_result;
     };

     struct BooleanAndDataReply : public Reply {
         static const Reply::Type ReplyType = BooleanAndData;

         BooleanAndDataReply(boolean_t returnValue, RetainPtr<CFDataRef> result)
             : Reply(ReplyType)
             , m_returnValue(returnValue)
             , m_result(result)
         {
         }

         boolean_t m_returnValue;
         RetainPtr<CFDataRef> m_result;
     };

     void setCurrentReply(uint32_t requestID, Reply* reply)
     {
         ASSERT(!m_replies.contains(requestID));
         m_replies.set(requestID, reply);
     }

     template <typename T>
     std::auto_ptr<T> waitForReply(uint32_t requestID)
     {
         m_waitingForReply = true;

         Reply* reply = processRequestsAndWaitForReply(requestID);
         if (reply)
             ASSERT(reply->m_type == T::ReplyType);

         m_waitingForReply = false;
         return std::auto_ptr<T>(static_cast<T*>(reply));
     }

 private:
     NetscapePluginInstanceProxy(NetscapePluginHostProxy*, WebHostedNetscapePluginView *, bool fullFramePlugin);

     NPError loadRequest(NSURLRequest *, const char* cTarget, bool currentEventIsUserGesture, uint32_t& streamID);

     class PluginRequest;
     void performRequest(PluginRequest*);
     void evaluateJavaScript(PluginRequest*);

     void stopAllStreams();
     Reply* processRequestsAndWaitForReply(uint32_t requestID);

     NetscapePluginHostProxy* m_pluginHostProxy;
     WebHostedNetscapePluginView *m_pluginView;

     void requestTimerFired(WebCore::Timer<NetscapePluginInstanceProxy>*);
     WebCore::Timer<NetscapePluginInstanceProxy> m_requestTimer;
     Deque<PluginRequest*> m_pluginRequests;

     HashMap<uint32_t, RefPtr<HostedNetscapePluginStream> > m_streams;

     uint32_t m_currentURLRequestID;

     uint32_t m_pluginID;
     uint32_t m_renderContextID;
     boolean_t m_useSoftwareRenderer;

     bool m_waitingForReply;
     HashMap<uint32_t, Reply*> m_replies;

     // NPRuntime
     uint32_t idForObject(JSC::JSObject*);

     void addValueToArray(NSMutableArray *, JSC::ExecState* exec, JSC::JSValue value);

     bool demarshalValueFromArray(JSC::ExecState*, NSArray *array, NSUInteger& index, JSC::JSValue& result);
     void demarshalValues(JSC::ExecState*, data_t valuesData, mach_msg_type_number_t valuesLength, JSC::MarkedArgumentBuffer& result);

     uint32_t m_objectIDCounter;
     typedef HashMap<uint32_t, JSC::ProtectedPtr<JSC::JSObject> > ObjectMap;
     ObjectMap m_objects;

     typedef HashSet<ProxyInstance*> ProxyInstanceSet;
     ProxyInstanceSet m_instances;

     uint32_t m_urlCheckCounter;
     typedef HashMap<uint32_t, RetainPtr<id> > URLCheckMap;
     URLCheckMap m_urlChecks;

     unsigned m_pluginFunctionCallDepth;
     bool m_shouldStopSoon;
     uint32_t m_currentRequestID;
     bool m_inDestroy;
     bool m_pluginIsWaitingForDraw;

     RefPtr<HostedNetscapePluginStream> m_manualStream;
 };

 } // namespace WebKit

 #endif // NetscapePluginInstanceProxy_h
 #endif // USE(PLUGIN_HOST_PROCESS)
	/*
	* Copyright (C) 2008 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. ``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
	* 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.
	*/

	#if USE(PLUGIN_HOST_PROCESS)

	#ifndef NetscapePluginInstanceProxy_h
	#define NetscapePluginInstanceProxy_h

	#include <JavaScriptCore/Protect.h>
	#include <WebCore/Timer.h>
	#include <WebKit/npapi.h>
	#include <wtf/Deque.h>
	#include <wtf/HashMap.h>
	#include <wtf/PassRefPtr.h>
	#include <wtf/RefCounted.h>
	#include <wtf/RetainPtr.h>
	#include "WebKitPluginHostTypes.h"

	namespace WebCore {
	class String;
	}

	namespace JSC {
	namespace Bindings {
	class Instance;
	class RootObject;
	}
	}
	@class WebHostedNetscapePluginView;

	namespace WebKit {

	class HostedNetscapePluginStream;
	class NetscapePluginHostProxy;
	class ProxyInstance;

	class NetscapePluginInstanceProxy : public RefCounted<NetscapePluginInstanceProxy> {
	public:
	static PassRefPtr<NetscapePluginInstanceProxy> create(NetscapePluginHostProxy* pluginHostProxy, WebHostedNetscapePluginView *pluginView, bool fullFramePlugin)
	{
	return adoptRef(new NetscapePluginInstanceProxy(pluginHostProxy, pluginView, fullFramePlugin));
	}
	~NetscapePluginInstanceProxy();

	uint32_t pluginID() const
	{
	ASSERT(m_pluginID);

	return m_pluginID;
	}
	uint32_t renderContextID() const { return m_renderContextID; }
	void setRenderContextID(uint32_t renderContextID) { m_renderContextID = renderContextID; }

	bool useSoftwareRenderer() const { return m_useSoftwareRenderer; }
	void setUseSoftwareRenderer(bool useSoftwareRenderer) { m_useSoftwareRenderer = useSoftwareRenderer; }

	WebHostedNetscapePluginView *pluginView() const { return m_pluginView; }
	NetscapePluginHostProxy* hostProxy() const { return m_pluginHostProxy; }

	bool cancelStreamLoad(uint32_t streamID, NPReason);
	void disconnectStream(HostedNetscapePluginStream*);

	void setManualStream(PassRefPtr<HostedNetscapePluginStream>);
	HostedNetscapePluginStream* manualStream() const { return m_manualStream.get(); }

	void pluginHostDied();

	void resize(NSRect size, NSRect clipRect, bool sync);
	void destroy();
	void focusChanged(bool hasFocus);
	void windowFocusChanged(bool hasFocus);
	void windowFrameChanged(NSRect frame);

	void mouseEvent(NSView pluginView, NSEvent , NPCocoaEventType);
	void keyEvent(NSView pluginView, NSEvent , NPCocoaEventType);
	void insertText(NSString *);
	bool wheelEvent(NSView pluginView, NSEvent );
	void syntheticKeyDownWithCommandModifier(int keyCode, char character);
	void flagsChanged(NSEvent *);
	void print(CGContextRef, unsigned width, unsigned height);

	void startTimers(bool throttleTimers);
	void stopTimers();

	void invalidateRect(double x, double y, double width, double height);

	// NPRuntime
	bool getWindowNPObject(uint32_t& objectID);
	bool getPluginElementNPObject(uint32_t& objectID);
	void releaseObject(uint32_t objectID);

	bool evaluate(uint32_t objectID, const WebCore::String& script, data_t& resultData, mach_msg_type_number_t& resultLength, bool allowPopups);
	bool invoke(uint32_t objectID, const JSC::Identifier& methodName, data_t argumentsData, mach_msg_type_number_t argumentsLength, data_t& resultData, mach_msg_type_number_t& resultLength);
	bool invokeDefault(uint32_t objectID, data_t argumentsData, mach_msg_type_number_t argumentsLength, data_t& resultData, mach_msg_type_number_t& resultLength);
	bool construct(uint32_t objectID, data_t argumentsData, mach_msg_type_number_t argumentsLength, data_t& resultData, mach_msg_type_number_t& resultLength);
	bool enumerate(uint32_t objectID, data_t& resultData, mach_msg_type_number_t& resultLength);

	bool getProperty(uint32_t objectID, const JSC::Identifier& propertyName, data_t &resultData, mach_msg_type_number_t& resultLength);
	bool getProperty(uint32_t objectID, unsigned propertyName, data_t &resultData, mach_msg_type_number_t& resultLength);
	bool setProperty(uint32_t objectID, const JSC::Identifier& propertyName, data_t valueData, mach_msg_type_number_t valueLength);
	bool setProperty(uint32_t objectID, unsigned propertyName, data_t valueData, mach_msg_type_number_t valueLength);
	bool removeProperty(uint32_t objectID, const JSC::Identifier& propertyName);
	bool removeProperty(uint32_t objectID, unsigned propertyName);
	bool hasProperty(uint32_t objectID, const JSC::Identifier& propertyName);
	bool hasProperty(uint32_t objectID, unsigned propertyName);
	bool hasMethod(uint32_t objectID, const JSC::Identifier& methodName);

	void status(const char* message);
	NPError loadURL(const char* url, const char* target, const char* postData, uint32_t postDataLength, LoadURLFlags, uint32_t& requestID);

	bool getCookies(data_t urlData, mach_msg_type_number_t urlLength, data_t& cookiesData, mach_msg_type_number_t& cookiesLength);
	bool setCookies(data_t urlData, mach_msg_type_number_t urlLength, data_t cookiesData, mach_msg_type_number_t cookiesLength);

	bool getProxy(data_t urlData, mach_msg_type_number_t urlLength, data_t& proxyData, mach_msg_type_number_t& proxyLength);
	bool getAuthenticationInfo(data_t protocolData, data_t hostData, uint32_t port, data_t schemeData, data_t realmData,
	data_t& usernameData, mach_msg_type_number_t& usernameLength, data_t& passwordData, mach_msg_type_number_t& passwordLength);
	bool convertPoint(double sourceX, double sourceY, NPCoordinateSpace sourceSpace,
	double& destX, double& destY, NPCoordinateSpace destSpace);

	PassRefPtr<JSC::Bindings::Instance> createBindingsInstance(PassRefPtr<JSC::Bindings::RootObject>);
	RetainPtr<NSData > marshalValues(JSC::ExecState, const JSC::ArgList& args);
	void marshalValue(JSC::ExecState*, JSC::JSValue value, data_t& resultData, mach_msg_type_number_t& resultLength);
	JSC::JSValue demarshalValue(JSC::ExecState, const char valueData, mach_msg_type_number_t valueLength);

	void addInstance(ProxyInstance*);
	void removeInstance(ProxyInstance*);

	void cleanup();
	void invalidate();

	void willCallPluginFunction();
	void didCallPluginFunction();
	bool shouldStop();

	uint32_t nextRequestID();

	uint32_t checkIfAllowedToLoadURL(const char* url, const char* target);
	void cancelCheckIfAllowedToLoadURL(uint32_t checkID);
	void checkIfAllowedToLoadURLResult(uint32_t checkID, bool allowed);

	void resolveURL(const char* url, const char* target, data_t& resolvedURLData, mach_msg_type_number_t& resolvedURLLength);

	void didDraw();
	void privateBrowsingModeDidChange(bool isPrivateBrowsingEnabled);

	// Reply structs
	struct Reply {
	enum Type {
	InstantiatePlugin,
	GetScriptableNPObject,
	BooleanAndData,
	Boolean
	};

	Reply(Type type)
	: m_type(type)
	{
	}

	virtual ~Reply() { }

	Type m_type;
	};

	struct InstantiatePluginReply : public Reply {
	static const int ReplyType = InstantiatePlugin;

	InstantiatePluginReply(kern_return_t resultCode, uint32_t renderContextID, boolean_t useSoftwareRenderer)
	: Reply(InstantiatePlugin)
	, m_resultCode(resultCode)
	, m_renderContextID(renderContextID)
	, m_useSoftwareRenderer(useSoftwareRenderer)
	{
	}

	kern_return_t m_resultCode;
	uint32_t m_renderContextID;
	boolean_t m_useSoftwareRenderer;
	};

	struct GetScriptableNPObjectReply : public Reply {
	static const Reply::Type ReplyType = GetScriptableNPObject;

	GetScriptableNPObjectReply(uint32_t objectID)
	: Reply(ReplyType)
	, m_objectID(objectID)
	{
	}

	uint32_t m_objectID;
	};

	struct BooleanReply : public Reply {
	static const Reply::Type ReplyType = Boolean;

	BooleanReply(boolean_t result)
	: Reply(ReplyType)
	, m_result(result)
	{
	}

	boolean_t m_result;
	};

	struct BooleanAndDataReply : public Reply {
	static const Reply::Type ReplyType = BooleanAndData;

	BooleanAndDataReply(boolean_t returnValue, RetainPtr<CFDataRef> result)
	: Reply(ReplyType)
	, m_returnValue(returnValue)
	, m_result(result)
	{
	}

	boolean_t m_returnValue;
	RetainPtr<CFDataRef> m_result;
	};

	void setCurrentReply(uint32_t requestID, Reply* reply)
	{
	ASSERT(!m_replies.contains(requestID));
	m_replies.set(requestID, reply);
	}

	template <typename T>
	std::auto_ptr<T> waitForReply(uint32_t requestID)
	{
	m_waitingForReply = true;

	Reply* reply = processRequestsAndWaitForReply(requestID);
	if (reply)
	ASSERT(reply->m_type == T::ReplyType);

	m_waitingForReply = false;
	return std::auto_ptr<T>(static_cast<T*>(reply));
	}

	private:
	NetscapePluginInstanceProxy(NetscapePluginHostProxy, WebHostedNetscapePluginView , bool fullFramePlugin);

	NPError loadRequest(NSURLRequest , const char cTarget, bool currentEventIsUserGesture, uint32_t& streamID);

	class PluginRequest;
	void performRequest(PluginRequest*);
	void evaluateJavaScript(PluginRequest*);

	void stopAllStreams();
	Reply* processRequestsAndWaitForReply(uint32_t requestID);

	NetscapePluginHostProxy* m_pluginHostProxy;
	WebHostedNetscapePluginView *m_pluginView;

	void requestTimerFired(WebCore::Timer<NetscapePluginInstanceProxy>*);
	WebCore::Timer<NetscapePluginInstanceProxy> m_requestTimer;
	Deque<PluginRequest*> m_pluginRequests;

	HashMap<uint32_t, RefPtr<HostedNetscapePluginStream> > m_streams;

	uint32_t m_currentURLRequestID;

	uint32_t m_pluginID;
	uint32_t m_renderContextID;
	boolean_t m_useSoftwareRenderer;

	bool m_waitingForReply;
	HashMap<uint32_t, Reply*> m_replies;

	// NPRuntime
	uint32_t idForObject(JSC::JSObject*);

	void addValueToArray(NSMutableArray , JSC::ExecState exec, JSC::JSValue value);

	bool demarshalValueFromArray(JSC::ExecState, NSArray array, NSUInteger& index, JSC::JSValue& result);
	void demarshalValues(JSC::ExecState*, data_t valuesData, mach_msg_type_number_t valuesLength, JSC::MarkedArgumentBuffer& result);

	uint32_t m_objectIDCounter;
	typedef HashMap<uint32_t, JSC::ProtectedPtr<JSC::JSObject> > ObjectMap;
	ObjectMap m_objects;

	typedef HashSet<ProxyInstance*> ProxyInstanceSet;
	ProxyInstanceSet m_instances;

	uint32_t m_urlCheckCounter;
	typedef HashMap<uint32_t, RetainPtr<id> > URLCheckMap;
	URLCheckMap m_urlChecks;

	unsigned m_pluginFunctionCallDepth;
	bool m_shouldStopSoon;
	uint32_t m_currentRequestID;
	bool m_inDestroy;
	bool m_pluginIsWaitingForDraw;

	RefPtr<HostedNetscapePluginStream> m_manualStream;
	};

	} // namespace WebKit

	#endif // NetscapePluginInstanceProxy_h
	#endif // USE(PLUGIN_HOST_PROCESS)