WebCore/bindings/v8/custom/V8LocationCustom.cpp - platform/external/webkit - Git at Google

 /*
  * 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.
  */

 #include "config.h"
 #include "V8Location.h"

 #include "CSSHelper.h"
 #include "Document.h"
 #include "Frame.h"
 #include "FrameLoader.h"
 #include "KURL.h"
 #include "Location.h"
 #include "PlatformString.h"
 #include "ScriptController.h"
 #include "V8Binding.h"
 #include "V8BindingState.h"
 #include "V8CustomBinding.h"
 #include "V8CustomEventListener.h"
 #include "V8DOMWindow.h"
 #include "V8Location.h"
 #include "V8Utilities.h"
 #include "V8Proxy.h"

 namespace WebCore {

 // Notes about V8/JSC porting of this file.
 // This class is not very JS-engine specific.  If we can move a couple of
 // methods to the scriptController, we should be able to unify the code
 // between JSC and V8:
 //    toCallingFrame()   - in JSC, this needs an ExecState.
 //    isSafeScript()
 // Since JSC and V8 have different mechanisms for getting at the calling frame,
 // we're just making all these custom for now.  The functionality is simple
 // and mirrors JSLocationCustom.cpp.

 void V8Location::hashAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
 {
     INC_STATS("DOM.Location.hash._set");
     v8::Handle<v8::Object> holder = info.Holder();
     Location* imp = V8Location::toNative(holder);
     String hash = toWebCoreString(value);

     Frame* frame = imp->frame();
     if (!frame)
         return;

     KURL url = frame->loader()->url();
     String oldRef = url.fragmentIdentifier();

     if (hash.startsWith("#"))
         hash = hash.substring(1);
     if (oldRef == hash || (oldRef.isNull() && hash.isEmpty()))
         return;
     url.setFragmentIdentifier(hash);

     navigateIfAllowed(frame, url, false, false);
 }

 void V8Location::hostAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
 {
     INC_STATS("DOM.Location.host._set");
     v8::Handle<v8::Object> holder = info.Holder();
     Location* imp = V8Location::toNative(holder);
     String host = toWebCoreString(value);

     Frame* frame = imp->frame();
     if (!frame)
         return;

     KURL url = frame->loader()->url();
     String newHost = host.left(host.find(":"));
     String newPort = host.substring(host.find(":") + 1);
     url.setHost(newHost);
     url.setPort(newPort.toUInt());

     navigateIfAllowed(frame, url, false, false);
 }

 void V8Location::hostnameAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
 {
     INC_STATS("DOM.Location.hostname._set");
     v8::Handle<v8::Object> holder = info.Holder();
     Location* imp = V8Location::toNative(holder);
     String hostname = toWebCoreString(value);

     Frame* frame = imp->frame();
     if (!frame)
         return;

     KURL url = frame->loader()->url();
     url.setHost(hostname);

     navigateIfAllowed(frame, url, false, false);
 }

 void V8Location::hrefAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
 {
     INC_STATS("DOM.Location.href._set");
     v8::Handle<v8::Object> holder = info.Holder();
     Location* imp = V8Location::toNative(holder);

     Frame* frame = imp->frame();
     if (!frame)
         return;

     KURL url = completeURL(toWebCoreString(value));
     if (url.isNull())
         return;

     if (!shouldAllowNavigation(frame))
         return;

     navigateIfAllowed(frame, url, false, false);
 }

 void V8Location::pathnameAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
 {
     INC_STATS("DOM.Location.pathname._set");
     v8::Handle<v8::Object> holder = info.Holder();
     Location* imp = V8Location::toNative(holder);
     String pathname = toWebCoreString(value);

     Frame* frame = imp->frame();
     if (!frame)
         return;

     KURL url = frame->loader()->url();
     url.setPath(pathname);

     navigateIfAllowed(frame, url, false, false);
 }

 void V8Location::portAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
 {
     INC_STATS("DOM.Location.port._set");
     v8::Handle<v8::Object> holder = info.Holder();
     Location* imp = V8Location::toNative(holder);
     String port = toWebCoreString(value);

     Frame* frame = imp->frame();
     if (!frame)
         return;

     KURL url = frame->loader()->url();
     url.setPort(port.toUInt());

     navigateIfAllowed(frame, url, false, false);
 }

 void V8Location::protocolAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
 {
     INC_STATS("DOM.Location.protocol._set");
     v8::Handle<v8::Object> holder = info.Holder();
     Location* imp = V8Location::toNative(holder);
     String protocol = toWebCoreString(value);

     Frame* frame = imp->frame();
     if (!frame)
         return;

     KURL url = frame->loader()->url();
     url.setProtocol(protocol);

     navigateIfAllowed(frame, url, false, false);
 }

 void V8Location::searchAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
 {
     INC_STATS("DOM.Location.search._set");
     v8::Handle<v8::Object> holder = info.Holder();
     Location* imp = V8Location::toNative(holder);
     String query = toWebCoreString(value);

     Frame* frame = imp->frame();
     if (!frame)
         return;

     KURL url = frame->loader()->url();
     url.setQuery(query);

     navigateIfAllowed(frame, url, false, false);
 }

 v8::Handle<v8::Value> V8Location::reloadAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
 {
     INC_STATS("DOM.Location.reload._get");
     static v8::Persistent<v8::FunctionTemplate> privateTemplate = v8::Persistent<v8::FunctionTemplate>::New(v8::FunctionTemplate::New(V8Location::reloadCallback, v8::Handle<v8::Value>(), v8::Signature::New(V8Location::GetRawTemplate())));
     v8::Handle<v8::Object> holder = V8DOMWrapper::lookupDOMWrapper(V8ClassIndex::LOCATION, info.This());
     if (holder.IsEmpty()) {
         // can only reach here by 'object.__proto__.func', and it should passed
         // domain security check already
         return privateTemplate->GetFunction();
     }
     Location* imp = V8Location::toNative(holder);
     if (!V8BindingSecurity::canAccessFrame(V8BindingState::Only(), imp->frame(), false)) {
         static v8::Persistent<v8::FunctionTemplate> sharedTemplate = v8::Persistent<v8::FunctionTemplate>::New(v8::FunctionTemplate::New(V8Location::reloadCallback, v8::Handle<v8::Value>(), v8::Signature::New(V8Location::GetRawTemplate())));
         return sharedTemplate->GetFunction();
     }
     return privateTemplate->GetFunction();
 }

 v8::Handle<v8::Value> V8Location::replaceAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
 {
     INC_STATS("DOM.Location.replace._get");
     static v8::Persistent<v8::FunctionTemplate> privateTemplate = v8::Persistent<v8::FunctionTemplate>::New(v8::FunctionTemplate::New(V8Location::replaceCallback, v8::Handle<v8::Value>(), v8::Signature::New(V8Location::GetRawTemplate())));
     v8::Handle<v8::Object> holder = V8DOMWrapper::lookupDOMWrapper(V8ClassIndex::LOCATION, info.This());
     if (holder.IsEmpty()) {
         // can only reach here by 'object.__proto__.func', and it should passed
         // domain security check already
         return privateTemplate->GetFunction();
     }
     Location* imp = V8Location::toNative(holder);
     if (!V8BindingSecurity::canAccessFrame(V8BindingState::Only(), imp->frame(), false)) {
         static v8::Persistent<v8::FunctionTemplate> sharedTemplate = v8::Persistent<v8::FunctionTemplate>::New(v8::FunctionTemplate::New(V8Location::replaceCallback, v8::Handle<v8::Value>(), v8::Signature::New(V8Location::GetRawTemplate())));
         return sharedTemplate->GetFunction();
     }
     return privateTemplate->GetFunction();
 }

 v8::Handle<v8::Value> V8Location::assignAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
 {
     INC_STATS("DOM.Location.assign._get");
     static v8::Persistent<v8::FunctionTemplate> privateTemplate =
         v8::Persistent<v8::FunctionTemplate>::New(v8::FunctionTemplate::New(V8Location::assignCallback, v8::Handle<v8::Value>(), v8::Signature::New(V8Location::GetRawTemplate())));
     v8::Handle<v8::Object> holder = V8DOMWrapper::lookupDOMWrapper(V8ClassIndex::LOCATION, info.This());
     if (holder.IsEmpty()) {
         // can only reach here by 'object.__proto__.func', and it should passed
         // domain security check already
         return privateTemplate->GetFunction();
     }
     Location* imp = V8Location::toNative(holder);
     if (!V8BindingSecurity::canAccessFrame(V8BindingState::Only(), imp->frame(), false)) {
         static v8::Persistent<v8::FunctionTemplate> sharedTemplate = v8::Persistent<v8::FunctionTemplate>::New(v8::FunctionTemplate::New(V8Location::assignCallback, v8::Handle<v8::Value>(), v8::Signature::New(V8Location::GetRawTemplate())));
         return sharedTemplate->GetFunction();
     }
     return privateTemplate->GetFunction();
 }

 v8::Handle<v8::Value> V8Location::reloadCallback(const v8::Arguments& args)
 {
     // FIXME: we ignore the "forceget" parameter.

     INC_STATS("DOM.Location.reload");
     v8::Handle<v8::Object> holder = args.Holder();
     Location* imp = V8Location::toNative(holder);

     Frame* frame = imp->frame();
     if (!frame || !ScriptController::isSafeScript(frame))
         return v8::Undefined();

     if (!protocolIsJavaScript(frame->loader()->url()))
         frame->redirectScheduler()->scheduleRefresh(processingUserGesture());
     return v8::Undefined();
 }

 v8::Handle<v8::Value> V8Location::replaceCallback(const v8::Arguments& args)
 {
     INC_STATS("DOM.Location.replace");
     v8::Handle<v8::Object> holder = args.Holder();
     Location* imp = V8Location::toNative(holder);

     Frame* frame = imp->frame();
     if (!frame)
         return v8::Undefined();

     KURL url = completeURL(toWebCoreString(args[0]));
     if (url.isNull())
         return v8::Undefined();

     if (!shouldAllowNavigation(frame))
         return v8::Undefined();

     navigateIfAllowed(frame, url, true, true);
     return v8::Undefined();
 }

 v8::Handle<v8::Value> V8Location::assignCallback(const v8::Arguments& args)
 {
     INC_STATS("DOM.Location.assign");
     v8::Handle<v8::Object> holder = args.Holder();
     Location* imp = V8Location::toNative(holder);

     Frame* frame = imp->frame();
     if (!frame)
         return v8::Undefined();

     KURL url = completeURL(toWebCoreString(args[0]));
     if (url.isNull())
         return v8::Undefined();

     if (!shouldAllowNavigation(frame))
         return v8::Undefined();

     navigateIfAllowed(frame, url, false, false);
     return v8::Undefined();
 }

 v8::Handle<v8::Value> V8Location::valueOfCallback(const v8::Arguments& args)
 {
     // Just return the this object the way the normal valueOf function
     // on the Object prototype would.  The valueOf function is only
     // added to make sure that it cannot be overwritten on location
     // objects, since that would provide a hook to change the string
     // conversion behavior of location objects.
     return args.This();
 }

 v8::Handle<v8::Value> V8Location::toStringCallback(const v8::Arguments& args)
 {
     INC_STATS("DOM.Location.toString");
     v8::Handle<v8::Object> holder = args.Holder();
     Location* imp = V8Location::toNative(holder);
     if (!V8BindingSecurity::canAccessFrame(V8BindingState::Only(), imp->frame(), true))
         return v8::Undefined();
     String result = imp->href();
     return v8String(result);
 }

 bool V8Location::indexedSecurityCheck(v8::Local<v8::Object> host, uint32_t index, v8::AccessType type, v8::Local<v8::Value> data)
 {
     ASSERT(V8ClassIndex::FromInt(data->Int32Value()) == V8ClassIndex::LOCATION);
     // Only allow same origin access
     Location* imp =  V8Location::toNative(host);
     return V8BindingSecurity::canAccessFrame(V8BindingState::Only(), imp->frame(), false);
 }

 bool V8Location::namedSecurityCheck(v8::Local<v8::Object> host, v8::Local<v8::Value> key, v8::AccessType type, v8::Local<v8::Value> data)
 {
     ASSERT(V8ClassIndex::FromInt(data->Int32Value()) == V8ClassIndex::LOCATION);
     // Only allow same origin access
     Location* imp = V8Location::toNative(host);
     return V8BindingSecurity::canAccessFrame(V8BindingState::Only(), imp->frame(), false);
 }

 v8::Handle<v8::Value> toV8(Location* impl)
 {
     if (!impl)
         return v8::Null();
     v8::Handle<v8::Object> wrapper = getDOMObjectMap().get(impl);
     if (wrapper.IsEmpty()) {
         wrapper = V8Location::wrap(impl);
         if (!wrapper.IsEmpty())
             V8DOMWrapper::setHiddenWindowReference(impl->frame(), V8DOMWindow::locationIndex, wrapper);
     }
     return wrapper;
 }

 }  // namespace WebCore
	/*
	* 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.
	*/

	#include "config.h"
	#include "V8Location.h"

	#include "CSSHelper.h"
	#include "Document.h"
	#include "Frame.h"
	#include "FrameLoader.h"
	#include "KURL.h"
	#include "Location.h"
	#include "PlatformString.h"
	#include "ScriptController.h"
	#include "V8Binding.h"
	#include "V8BindingState.h"
	#include "V8CustomBinding.h"
	#include "V8CustomEventListener.h"
	#include "V8DOMWindow.h"
	#include "V8Location.h"
	#include "V8Utilities.h"
	#include "V8Proxy.h"

	namespace WebCore {

	// Notes about V8/JSC porting of this file.
	// This class is not very JS-engine specific. If we can move a couple of
	// methods to the scriptController, we should be able to unify the code
	// between JSC and V8:
	// toCallingFrame() - in JSC, this needs an ExecState.
	// isSafeScript()
	// Since JSC and V8 have different mechanisms for getting at the calling frame,
	// we're just making all these custom for now. The functionality is simple
	// and mirrors JSLocationCustom.cpp.

	void V8Location::hashAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
	{
	INC_STATS("DOM.Location.hash._set");
	v8::Handle<v8::Object> holder = info.Holder();
	Location* imp = V8Location::toNative(holder);
	String hash = toWebCoreString(value);

	Frame* frame = imp->frame();
	if (!frame)
	return;

	KURL url = frame->loader()->url();
	String oldRef = url.fragmentIdentifier();

	if (hash.startsWith("#"))
	hash = hash.substring(1);
	if (oldRef == hash \|\| (oldRef.isNull() && hash.isEmpty()))
	return;
	url.setFragmentIdentifier(hash);

	navigateIfAllowed(frame, url, false, false);
	}

	void V8Location::hostAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
	{
	INC_STATS("DOM.Location.host._set");
	v8::Handle<v8::Object> holder = info.Holder();
	Location* imp = V8Location::toNative(holder);
	String host = toWebCoreString(value);

	Frame* frame = imp->frame();
	if (!frame)
	return;

	KURL url = frame->loader()->url();
	String newHost = host.left(host.find(":"));
	String newPort = host.substring(host.find(":") + 1);
	url.setHost(newHost);
	url.setPort(newPort.toUInt());

	navigateIfAllowed(frame, url, false, false);
	}

	void V8Location::hostnameAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
	{
	INC_STATS("DOM.Location.hostname._set");
	v8::Handle<v8::Object> holder = info.Holder();
	Location* imp = V8Location::toNative(holder);
	String hostname = toWebCoreString(value);

	Frame* frame = imp->frame();
	if (!frame)
	return;

	KURL url = frame->loader()->url();
	url.setHost(hostname);

	navigateIfAllowed(frame, url, false, false);
	}

	void V8Location::hrefAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
	{
	INC_STATS("DOM.Location.href._set");
	v8::Handle<v8::Object> holder = info.Holder();
	Location* imp = V8Location::toNative(holder);

	Frame* frame = imp->frame();
	if (!frame)
	return;

	KURL url = completeURL(toWebCoreString(value));
	if (url.isNull())
	return;

	if (!shouldAllowNavigation(frame))
	return;

	navigateIfAllowed(frame, url, false, false);
	}

	void V8Location::pathnameAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
	{
	INC_STATS("DOM.Location.pathname._set");
	v8::Handle<v8::Object> holder = info.Holder();
	Location* imp = V8Location::toNative(holder);
	String pathname = toWebCoreString(value);

	Frame* frame = imp->frame();
	if (!frame)
	return;

	KURL url = frame->loader()->url();
	url.setPath(pathname);

	navigateIfAllowed(frame, url, false, false);
	}

	void V8Location::portAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
	{
	INC_STATS("DOM.Location.port._set");
	v8::Handle<v8::Object> holder = info.Holder();
	Location* imp = V8Location::toNative(holder);
	String port = toWebCoreString(value);

	Frame* frame = imp->frame();
	if (!frame)
	return;

	KURL url = frame->loader()->url();
	url.setPort(port.toUInt());

	navigateIfAllowed(frame, url, false, false);
	}

	void V8Location::protocolAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
	{
	INC_STATS("DOM.Location.protocol._set");
	v8::Handle<v8::Object> holder = info.Holder();
	Location* imp = V8Location::toNative(holder);
	String protocol = toWebCoreString(value);

	Frame* frame = imp->frame();
	if (!frame)
	return;

	KURL url = frame->loader()->url();
	url.setProtocol(protocol);

	navigateIfAllowed(frame, url, false, false);
	}

	void V8Location::searchAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
	{
	INC_STATS("DOM.Location.search._set");
	v8::Handle<v8::Object> holder = info.Holder();
	Location* imp = V8Location::toNative(holder);
	String query = toWebCoreString(value);

	Frame* frame = imp->frame();
	if (!frame)
	return;

	KURL url = frame->loader()->url();
	url.setQuery(query);

	navigateIfAllowed(frame, url, false, false);
	}

	v8::Handle<v8::Value> V8Location::reloadAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
	{
	INC_STATS("DOM.Location.reload._get");
	static v8::Persistent<v8::FunctionTemplate> privateTemplate = v8::Persistent<v8::FunctionTemplate>::New(v8::FunctionTemplate::New(V8Location::reloadCallback, v8::Handle<v8::Value>(), v8::Signature::New(V8Location::GetRawTemplate())));
	v8::Handle<v8::Object> holder = V8DOMWrapper::lookupDOMWrapper(V8ClassIndex::LOCATION, info.This());
	if (holder.IsEmpty()) {
	// can only reach here by 'object.__proto__.func', and it should passed
	// domain security check already
	return privateTemplate->GetFunction();
	}
	Location* imp = V8Location::toNative(holder);
	if (!V8BindingSecurity::canAccessFrame(V8BindingState::Only(), imp->frame(), false)) {
	static v8::Persistent<v8::FunctionTemplate> sharedTemplate = v8::Persistent<v8::FunctionTemplate>::New(v8::FunctionTemplate::New(V8Location::reloadCallback, v8::Handle<v8::Value>(), v8::Signature::New(V8Location::GetRawTemplate())));
	return sharedTemplate->GetFunction();
	}
	return privateTemplate->GetFunction();
	}

	v8::Handle<v8::Value> V8Location::replaceAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
	{
	INC_STATS("DOM.Location.replace._get");
	static v8::Persistent<v8::FunctionTemplate> privateTemplate = v8::Persistent<v8::FunctionTemplate>::New(v8::FunctionTemplate::New(V8Location::replaceCallback, v8::Handle<v8::Value>(), v8::Signature::New(V8Location::GetRawTemplate())));
	v8::Handle<v8::Object> holder = V8DOMWrapper::lookupDOMWrapper(V8ClassIndex::LOCATION, info.This());
	if (holder.IsEmpty()) {
	// can only reach here by 'object.__proto__.func', and it should passed
	// domain security check already
	return privateTemplate->GetFunction();
	}
	Location* imp = V8Location::toNative(holder);
	if (!V8BindingSecurity::canAccessFrame(V8BindingState::Only(), imp->frame(), false)) {
	static v8::Persistent<v8::FunctionTemplate> sharedTemplate = v8::Persistent<v8::FunctionTemplate>::New(v8::FunctionTemplate::New(V8Location::replaceCallback, v8::Handle<v8::Value>(), v8::Signature::New(V8Location::GetRawTemplate())));
	return sharedTemplate->GetFunction();
	}
	return privateTemplate->GetFunction();
	}

	v8::Handle<v8::Value> V8Location::assignAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
	{
	INC_STATS("DOM.Location.assign._get");
	static v8::Persistent<v8::FunctionTemplate> privateTemplate =
	v8::Persistent<v8::FunctionTemplate>::New(v8::FunctionTemplate::New(V8Location::assignCallback, v8::Handle<v8::Value>(), v8::Signature::New(V8Location::GetRawTemplate())));
	v8::Handle<v8::Object> holder = V8DOMWrapper::lookupDOMWrapper(V8ClassIndex::LOCATION, info.This());
	if (holder.IsEmpty()) {
	// can only reach here by 'object.__proto__.func', and it should passed
	// domain security check already
	return privateTemplate->GetFunction();
	}
	Location* imp = V8Location::toNative(holder);
	if (!V8BindingSecurity::canAccessFrame(V8BindingState::Only(), imp->frame(), false)) {
	static v8::Persistent<v8::FunctionTemplate> sharedTemplate = v8::Persistent<v8::FunctionTemplate>::New(v8::FunctionTemplate::New(V8Location::assignCallback, v8::Handle<v8::Value>(), v8::Signature::New(V8Location::GetRawTemplate())));
	return sharedTemplate->GetFunction();
	}
	return privateTemplate->GetFunction();
	}

	v8::Handle<v8::Value> V8Location::reloadCallback(const v8::Arguments& args)
	{
	// FIXME: we ignore the "forceget" parameter.

	INC_STATS("DOM.Location.reload");
	v8::Handle<v8::Object> holder = args.Holder();
	Location* imp = V8Location::toNative(holder);

	Frame* frame = imp->frame();
	if (!frame \|\| !ScriptController::isSafeScript(frame))
	return v8::Undefined();

	if (!protocolIsJavaScript(frame->loader()->url()))
	frame->redirectScheduler()->scheduleRefresh(processingUserGesture());
	return v8::Undefined();
	}

	v8::Handle<v8::Value> V8Location::replaceCallback(const v8::Arguments& args)
	{
	INC_STATS("DOM.Location.replace");
	v8::Handle<v8::Object> holder = args.Holder();
	Location* imp = V8Location::toNative(holder);

	Frame* frame = imp->frame();
	if (!frame)
	return v8::Undefined();

	KURL url = completeURL(toWebCoreString(args[0]));
	if (url.isNull())
	return v8::Undefined();

	if (!shouldAllowNavigation(frame))
	return v8::Undefined();

	navigateIfAllowed(frame, url, true, true);
	return v8::Undefined();
	}

	v8::Handle<v8::Value> V8Location::assignCallback(const v8::Arguments& args)
	{
	INC_STATS("DOM.Location.assign");
	v8::Handle<v8::Object> holder = args.Holder();
	Location* imp = V8Location::toNative(holder);

	Frame* frame = imp->frame();
	if (!frame)
	return v8::Undefined();

	KURL url = completeURL(toWebCoreString(args[0]));
	if (url.isNull())
	return v8::Undefined();

	if (!shouldAllowNavigation(frame))
	return v8::Undefined();

	navigateIfAllowed(frame, url, false, false);
	return v8::Undefined();
	}

	v8::Handle<v8::Value> V8Location::valueOfCallback(const v8::Arguments& args)
	{
	// Just return the this object the way the normal valueOf function
	// on the Object prototype would. The valueOf function is only
	// added to make sure that it cannot be overwritten on location
	// objects, since that would provide a hook to change the string
	// conversion behavior of location objects.
	return args.This();
	}

	v8::Handle<v8::Value> V8Location::toStringCallback(const v8::Arguments& args)
	{
	INC_STATS("DOM.Location.toString");
	v8::Handle<v8::Object> holder = args.Holder();
	Location* imp = V8Location::toNative(holder);
	if (!V8BindingSecurity::canAccessFrame(V8BindingState::Only(), imp->frame(), true))
	return v8::Undefined();
	String result = imp->href();
	return v8String(result);
	}

	bool V8Location::indexedSecurityCheck(v8::Local<v8::Object> host, uint32_t index, v8::AccessType type, v8::Local<v8::Value> data)
	{
	ASSERT(V8ClassIndex::FromInt(data->Int32Value()) == V8ClassIndex::LOCATION);
	// Only allow same origin access
	Location* imp = V8Location::toNative(host);
	return V8BindingSecurity::canAccessFrame(V8BindingState::Only(), imp->frame(), false);
	}

	bool V8Location::namedSecurityCheck(v8::Local<v8::Object> host, v8::Local<v8::Value> key, v8::AccessType type, v8::Local<v8::Value> data)
	{
	ASSERT(V8ClassIndex::FromInt(data->Int32Value()) == V8ClassIndex::LOCATION);
	// Only allow same origin access
	Location* imp = V8Location::toNative(host);
	return V8BindingSecurity::canAccessFrame(V8BindingState::Only(), imp->frame(), false);
	}

	v8::Handle<v8::Value> toV8(Location* impl)
	{
	if (!impl)
	return v8::Null();
	v8::Handle<v8::Object> wrapper = getDOMObjectMap().get(impl);
	if (wrapper.IsEmpty()) {
	wrapper = V8Location::wrap(impl);
	if (!wrapper.IsEmpty())
	V8DOMWrapper::setHiddenWindowReference(impl->frame(), V8DOMWindow::locationIndex, wrapper);
	}
	return wrapper;
	}

	} // namespace WebCore