/* * Copyright (C) 2008, 2009, 2010 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) #import "NetscapePluginInstanceProxy.h" #import "HostedNetscapePluginStream.h" #import "NetscapePluginHostProxy.h" #import "ProxyInstance.h" #import "WebDataSourceInternal.h" #import "WebFrameInternal.h" #import "WebHostedNetscapePluginView.h" #import "WebKitNSStringExtras.h" #import "WebNSDataExtras.h" #import "WebNSURLExtras.h" #import "WebPluginRequest.h" #import "WebUIDelegate.h" #import "WebUIDelegatePrivate.h" #import "WebViewInternal.h" #import <JavaScriptCore/Error.h> #import <JavaScriptCore/JSLock.h> #import <JavaScriptCore/PropertyNameArray.h> #import <WebCore/CString.h> #import <WebCore/CookieJar.h> #import <WebCore/DocumentLoader.h> #import <WebCore/Frame.h> #import <WebCore/FrameLoader.h> #import <WebCore/FrameTree.h> #import <WebCore/KURL.h> #import <WebCore/SecurityOrigin.h> #import <WebCore/ScriptController.h> #import <WebCore/ScriptValue.h> #import <WebCore/StringSourceProvider.h> #import <WebCore/npruntime_impl.h> #import <WebCore/runtime_object.h> #import <WebKitSystemInterface.h> #import <mach/mach.h> #import <utility> #import <wtf/RefCountedLeakCounter.h> extern "C" { #import "WebKitPluginClientServer.h" #import "WebKitPluginHost.h" } using namespace JSC; using namespace JSC::Bindings; using namespace std; using namespace WebCore; namespace WebKit { class NetscapePluginInstanceProxy::PluginRequest : public RefCounted<NetscapePluginInstanceProxy::PluginRequest> { public: static PassRefPtr<PluginRequest> create(uint32_t requestID, NSURLRequest* request, NSString* frameName, bool allowPopups) { return adoptRef(new PluginRequest(requestID, request, frameName, allowPopups)); } uint32_t requestID() const { return m_requestID; } NSURLRequest* request() const { return m_request.get(); } NSString* frameName() const { return m_frameName.get(); } bool allowPopups() const { return m_allowPopups; } private: PluginRequest(uint32_t requestID, NSURLRequest* request, NSString* frameName, bool allowPopups) : m_requestID(requestID) , m_request(request) , m_frameName(frameName) , m_allowPopups(allowPopups) { } uint32_t m_requestID; RetainPtr<NSURLRequest*> m_request; RetainPtr<NSString*> m_frameName; bool m_allowPopups; }; static uint32_t pluginIDCounter; #ifndef NDEBUG static WTF::RefCountedLeakCounter netscapePluginInstanceProxyCounter("NetscapePluginInstanceProxy"); #endif NetscapePluginInstanceProxy::NetscapePluginInstanceProxy(NetscapePluginHostProxy* pluginHostProxy, WebHostedNetscapePluginView *pluginView, bool fullFramePlugin) : m_pluginHostProxy(pluginHostProxy) , m_pluginView(pluginView) , m_requestTimer(this, &NetscapePluginInstanceProxy::requestTimerFired) , m_currentURLRequestID(0) , m_renderContextID(0) , m_useSoftwareRenderer(false) , m_waitingForReply(false) , m_objectIDCounter(0) , m_urlCheckCounter(0) , m_pluginFunctionCallDepth(0) , m_shouldStopSoon(false) , m_currentRequestID(0) , m_inDestroy(false) , m_pluginIsWaitingForDraw(false) { ASSERT(m_pluginView); if (fullFramePlugin) { // For full frame plug-ins, the first requestID will always be the one for the already // open stream. ++m_currentURLRequestID; } // Assign a plug-in ID. do { m_pluginID = ++pluginIDCounter; } while (pluginHostProxy->pluginInstance(m_pluginID) || !m_pluginID); pluginHostProxy->addPluginInstance(this); #ifndef NDEBUG netscapePluginInstanceProxyCounter.increment(); #endif } NetscapePluginInstanceProxy::~NetscapePluginInstanceProxy() { ASSERT(!m_pluginHostProxy); m_pluginID = 0; deleteAllValues(m_replies); #ifndef NDEBUG netscapePluginInstanceProxyCounter.decrement(); #endif } void NetscapePluginInstanceProxy::resize(NSRect size, NSRect clipRect, bool sync) { uint32_t requestID = 0; if (sync) requestID = nextRequestID(); _WKPHResizePluginInstance(m_pluginHostProxy->port(), m_pluginID, requestID, size.origin.x, size.origin.y, size.size.width, size.size.height, clipRect.origin.x, clipRect.origin.y, clipRect.size.width, clipRect.size.height); if (sync) waitForReply<NetscapePluginInstanceProxy::BooleanReply>(requestID); } void NetscapePluginInstanceProxy::stopAllStreams() { Vector<RefPtr<HostedNetscapePluginStream> > streamsCopy; copyValuesToVector(m_streams, streamsCopy); for (size_t i = 0; i < streamsCopy.size(); i++) streamsCopy[i]->stop(); } void NetscapePluginInstanceProxy::cleanup() { stopAllStreams(); m_requestTimer.stop(); // Clear the object map, this will cause any outstanding JS objects that the plug-in had a reference to // to go away when the next garbage collection takes place. m_objects.clear(); if (Frame* frame = core([m_pluginView webFrame])) frame->script()->cleanupScriptObjectsForPlugin(m_pluginView); ProxyInstanceSet instances; instances.swap(m_instances); // Invalidate all proxy instances. ProxyInstanceSet::const_iterator end = instances.end(); for (ProxyInstanceSet::const_iterator it = instances.begin(); it != end; ++it) (*it)->invalidate(); m_pluginView = nil; m_manualStream = 0; } void NetscapePluginInstanceProxy::invalidate() { // If the plug-in host has died, the proxy will be null. if (!m_pluginHostProxy) return; m_pluginHostProxy->removePluginInstance(this); m_pluginHostProxy = 0; } void NetscapePluginInstanceProxy::destroy() { uint32_t requestID = nextRequestID(); m_inDestroy = true; FrameLoadMap::iterator end = m_pendingFrameLoads.end(); for (FrameLoadMap::iterator it = m_pendingFrameLoads.begin(); it != end; ++it) [(it->first) _setInternalLoadDelegate:nil]; _WKPHDestroyPluginInstance(m_pluginHostProxy->port(), m_pluginID, requestID); // If the plug-in host crashes while we're waiting for a reply, the last reference to the instance proxy // will go away. Prevent this by protecting it here. RefPtr<NetscapePluginInstanceProxy> protect(this); // We don't care about the reply here - we just want to block until the plug-in instance has been torn down. waitForReply<NetscapePluginInstanceProxy::BooleanReply>(requestID); m_inDestroy = false; cleanup(); invalidate(); } void NetscapePluginInstanceProxy::setManualStream(PassRefPtr<HostedNetscapePluginStream> manualStream) { ASSERT(!m_manualStream); m_manualStream = manualStream; } bool NetscapePluginInstanceProxy::cancelStreamLoad(uint32_t streamID, NPReason reason) { HostedNetscapePluginStream* stream = 0; if (m_manualStream && streamID == 1) stream = m_manualStream.get(); else stream = m_streams.get(streamID).get(); if (!stream) return false; stream->cancelLoad(reason); return true; } void NetscapePluginInstanceProxy::disconnectStream(HostedNetscapePluginStream* stream) { if (stream == m_manualStream) { m_manualStream = 0; return; } ASSERT(m_streams.get(stream->streamID()) == stream); m_streams.remove(stream->streamID()); } void NetscapePluginInstanceProxy::pluginHostDied() { m_pluginHostProxy = 0; [m_pluginView pluginHostDied]; cleanup(); } void NetscapePluginInstanceProxy::focusChanged(bool hasFocus) { _WKPHPluginInstanceFocusChanged(m_pluginHostProxy->port(), m_pluginID, hasFocus); } void NetscapePluginInstanceProxy::windowFocusChanged(bool hasFocus) { _WKPHPluginInstanceWindowFocusChanged(m_pluginHostProxy->port(), m_pluginID, hasFocus); } void NetscapePluginInstanceProxy::windowFrameChanged(NSRect frame) { _WKPHPluginInstanceWindowFrameChanged(m_pluginHostProxy->port(), m_pluginID, frame.origin.x, frame.origin.y, frame.size.width, frame.size.height, NSMaxY([[[NSScreen screens] objectAtIndex:0] frame])); } void NetscapePluginInstanceProxy::startTimers(bool throttleTimers) { _WKPHPluginInstanceStartTimers(m_pluginHostProxy->port(), m_pluginID, throttleTimers); } void NetscapePluginInstanceProxy::mouseEvent(NSView *pluginView, NSEvent *event, NPCocoaEventType type) { NSPoint screenPoint = [[event window] convertBaseToScreen:[event locationInWindow]]; NSPoint pluginPoint = [pluginView convertPoint:[event locationInWindow] fromView:nil]; int clickCount; if (type == NPCocoaEventMouseEntered || type == NPCocoaEventMouseExited) clickCount = 0; else clickCount = [event clickCount]; _WKPHPluginInstanceMouseEvent(m_pluginHostProxy->port(), m_pluginID, [event timestamp], type, [event modifierFlags], pluginPoint.x, pluginPoint.y, screenPoint.x, screenPoint.y, NSMaxY([[[NSScreen screens] objectAtIndex:0] frame]), [event buttonNumber], clickCount, [event deltaX], [event deltaY], [event deltaZ]); } void NetscapePluginInstanceProxy::keyEvent(NSView *pluginView, NSEvent *event, NPCocoaEventType type) { NSData *charactersData = [[event characters] dataUsingEncoding:NSUTF8StringEncoding]; NSData *charactersIgnoringModifiersData = [[event charactersIgnoringModifiers] dataUsingEncoding:NSUTF8StringEncoding]; _WKPHPluginInstanceKeyboardEvent(m_pluginHostProxy->port(), m_pluginID, [event timestamp], type, [event modifierFlags], const_cast<char*>(reinterpret_cast<const char*>([charactersData bytes])), [charactersData length], const_cast<char*>(reinterpret_cast<const char*>([charactersIgnoringModifiersData bytes])), [charactersIgnoringModifiersData length], [event isARepeat], [event keyCode], WKGetNSEventKeyChar(event)); } void NetscapePluginInstanceProxy::syntheticKeyDownWithCommandModifier(int keyCode, char character) { NSData *charactersData = [NSData dataWithBytes:&character length:1]; _WKPHPluginInstanceKeyboardEvent(m_pluginHostProxy->port(), m_pluginID, [NSDate timeIntervalSinceReferenceDate], NPCocoaEventKeyDown, NSCommandKeyMask, const_cast<char*>(reinterpret_cast<const char*>([charactersData bytes])), [charactersData length], const_cast<char*>(reinterpret_cast<const char*>([charactersData bytes])), [charactersData length], false, keyCode, character); } void NetscapePluginInstanceProxy::flagsChanged(NSEvent *event) { _WKPHPluginInstanceKeyboardEvent(m_pluginHostProxy->port(), m_pluginID, [event timestamp], NPCocoaEventFlagsChanged, [event modifierFlags], 0, 0, 0, 0, false, [event keyCode], 0); } void NetscapePluginInstanceProxy::insertText(NSString *text) { NSData *textData = [text dataUsingEncoding:NSUTF8StringEncoding]; _WKPHPluginInstanceInsertText(m_pluginHostProxy->port(), m_pluginID, const_cast<char*>(reinterpret_cast<const char*>([textData bytes])), [textData length]); } bool NetscapePluginInstanceProxy::wheelEvent(NSView *pluginView, NSEvent *event) { NSPoint pluginPoint = [pluginView convertPoint:[event locationInWindow] fromView:nil]; uint32_t requestID = nextRequestID(); _WKPHPluginInstanceWheelEvent(m_pluginHostProxy->port(), m_pluginID, requestID, [event timestamp], [event modifierFlags], pluginPoint.x, pluginPoint.y, [event buttonNumber], [event deltaX], [event deltaY], [event deltaZ]); // Protect ourselves in case waiting for the reply causes us to be deleted. RefPtr<NetscapePluginInstanceProxy> protect(this); auto_ptr<NetscapePluginInstanceProxy::BooleanReply> reply = waitForReply<NetscapePluginInstanceProxy::BooleanReply>(requestID); if (!reply.get() || !reply->m_result) return false; return true; } void NetscapePluginInstanceProxy::print(CGContextRef context, unsigned width, unsigned height) { uint32_t requestID = nextRequestID(); _WKPHPluginInstancePrint(m_pluginHostProxy->port(), m_pluginID, requestID, width, height); auto_ptr<NetscapePluginInstanceProxy::BooleanAndDataReply> reply = waitForReply<NetscapePluginInstanceProxy::BooleanAndDataReply>(requestID); if (!reply.get() || !reply->m_returnValue) return; RetainPtr<CGDataProvider> dataProvider(AdoptCF, CGDataProviderCreateWithCFData(reply->m_result.get())); RetainPtr<CGColorSpaceRef> colorSpace(AdoptCF, CGColorSpaceCreateDeviceRGB()); RetainPtr<CGImageRef> image(AdoptCF, CGImageCreate(width, height, 8, 32, width * 4, colorSpace.get(), kCGImageAlphaFirst, dataProvider.get(), 0, false, kCGRenderingIntentDefault)); // Flip the context and draw the image. CGContextSaveGState(context); CGContextTranslateCTM(context, 0.0, height); CGContextScaleCTM(context, 1.0, -1.0); CGContextDrawImage(context, CGRectMake(0, 0, width, height), image.get()); CGContextRestoreGState(context); } void NetscapePluginInstanceProxy::stopTimers() { _WKPHPluginInstanceStopTimers(m_pluginHostProxy->port(), m_pluginID); } void NetscapePluginInstanceProxy::status(const char* message) { RetainPtr<CFStringRef> status(AdoptCF, CFStringCreateWithCString(NULL, message, kCFStringEncodingUTF8)); if (!status) return; WebView *wv = [m_pluginView webView]; [[wv _UIDelegateForwarder] webView:wv setStatusText:(NSString *)status.get()]; } NPError NetscapePluginInstanceProxy::loadURL(const char* url, const char* target, const char* postData, uint32_t postLen, LoadURLFlags flags, uint32_t& streamID) { if (!url) return NPERR_INVALID_PARAM; NSMutableURLRequest *request = [m_pluginView requestWithURLCString:url]; if (flags & IsPost) { NSData *httpBody = nil; if (flags & PostDataIsFile) { // If we're posting a file, buf is either a file URL or a path to the file. RetainPtr<CFStringRef> bufString(AdoptCF, CFStringCreateWithCString(kCFAllocatorDefault, postData, kCFStringEncodingWindowsLatin1)); if (!bufString) return NPERR_INVALID_PARAM; NSURL *fileURL = [NSURL _web_URLWithDataAsString:(NSString *)bufString.get()]; NSString *path; if ([fileURL isFileURL]) path = [fileURL path]; else path = (NSString *)bufString.get(); httpBody = [NSData dataWithContentsOfFile:[path _webkit_fixedCarbonPOSIXPath]]; if (!httpBody) return NPERR_FILE_NOT_FOUND; } else httpBody = [NSData dataWithBytes:postData length:postLen]; if (![httpBody length]) return NPERR_INVALID_PARAM; [request setHTTPMethod:@"POST"]; if (flags & AllowHeadersInPostData) { if ([httpBody _web_startsWithBlankLine]) httpBody = [httpBody subdataWithRange:NSMakeRange(1, [httpBody length] - 1)]; else { NSInteger location = [httpBody _web_locationAfterFirstBlankLine]; if (location != NSNotFound) { // If the blank line is somewhere in the middle of postData, everything before is the header. NSData *headerData = [httpBody subdataWithRange:NSMakeRange(0, location)]; NSMutableDictionary *header = [headerData _webkit_parseRFC822HeaderFields]; unsigned dataLength = [httpBody length] - location; // Sometimes plugins like to set Content-Length themselves when they post, // but CFNetwork does not like that. So we will remove the header // and instead truncate the data to the requested length. NSString *contentLength = [header objectForKey:@"Content-Length"]; if (contentLength) dataLength = min(static_cast<unsigned>([contentLength intValue]), dataLength); [header removeObjectForKey:@"Content-Length"]; if ([header count] > 0) [request setAllHTTPHeaderFields:header]; // Everything after the blank line is the actual content of the POST. httpBody = [httpBody subdataWithRange:NSMakeRange(location, dataLength)]; } } } if (![httpBody length]) return NPERR_INVALID_PARAM; // Plug-ins expect to receive uncached data when doing a POST (3347134). [request setCachePolicy:NSURLRequestReloadIgnoringCacheData]; [request setHTTPBody:httpBody]; } return loadRequest(request, target, flags & AllowPopups, streamID); } void NetscapePluginInstanceProxy::performRequest(PluginRequest* pluginRequest) { ASSERT(m_pluginView); NSURLRequest *request = pluginRequest->request(); NSString *frameName = pluginRequest->frameName(); WebFrame *frame = nil; NSURL *URL = [request URL]; NSString *JSString = [URL _webkit_scriptIfJavaScriptURL]; ASSERT(frameName || JSString); if (frameName) { // FIXME - need to get rid of this window creation which // bypasses normal targeted link handling frame = kit(core([m_pluginView webFrame])->loader()->findFrameForNavigation(frameName)); if (!frame) { WebView *currentWebView = [m_pluginView webView]; NSDictionary *features = [[NSDictionary alloc] init]; WebView *newWebView = [[currentWebView _UIDelegateForwarder] webView:currentWebView createWebViewWithRequest:nil windowFeatures:features]; [features release]; if (!newWebView) { _WKPHLoadURLNotify(m_pluginHostProxy->port(), m_pluginID, pluginRequest->requestID(), NPERR_GENERIC_ERROR); return; } frame = [newWebView mainFrame]; core(frame)->tree()->setName(frameName); [[newWebView _UIDelegateForwarder] webViewShow:newWebView]; } } if (JSString) { ASSERT(!frame || [m_pluginView webFrame] == frame); evaluateJavaScript(pluginRequest); } else { [frame loadRequest:request]; // Check if another plug-in view or even this view is waiting for the frame to load. // If it is, tell it that the load was cancelled because it will be anyway. WebHostedNetscapePluginView *view = [frame _internalLoadDelegate]; if (view != nil) { ASSERT([view isKindOfClass:[WebHostedNetscapePluginView class]]); [view webFrame:frame didFinishLoadWithReason:NPRES_USER_BREAK]; } m_pendingFrameLoads.set(frame, pluginRequest); [frame _setInternalLoadDelegate:m_pluginView]; } } void NetscapePluginInstanceProxy::webFrameDidFinishLoadWithReason(WebFrame* webFrame, NPReason reason) { FrameLoadMap::iterator it = m_pendingFrameLoads.find(webFrame); ASSERT(it != m_pendingFrameLoads.end()); PluginRequest* pluginRequest = it->second.get(); _WKPHLoadURLNotify(m_pluginHostProxy->port(), m_pluginID, pluginRequest->requestID(), reason); m_pendingFrameLoads.remove(it); [webFrame _setInternalLoadDelegate:nil]; } void NetscapePluginInstanceProxy::evaluateJavaScript(PluginRequest* pluginRequest) { NSURL *URL = [pluginRequest->request() URL]; NSString *JSString = [URL _webkit_scriptIfJavaScriptURL]; ASSERT(JSString); NSString *result = [[m_pluginView webFrame] _stringByEvaluatingJavaScriptFromString:JSString forceUserGesture:pluginRequest->allowPopups()]; // Don't continue if stringByEvaluatingJavaScriptFromString caused the plug-in to stop. if (!m_pluginHostProxy) return; if (pluginRequest->frameName() != nil) return; if ([result length] > 0) { // Don't call NPP_NewStream and other stream methods if there is no JS result to deliver. This is what Mozilla does. NSData *JSData = [result dataUsingEncoding:NSUTF8StringEncoding]; RefPtr<HostedNetscapePluginStream> stream = HostedNetscapePluginStream::create(this, pluginRequest->requestID(), pluginRequest->request()); RetainPtr<NSURLResponse> response(AdoptNS, [[NSURLResponse alloc] initWithURL:URL MIMEType:@"text/plain" expectedContentLength:[JSData length] textEncodingName:nil]); stream->startStreamWithResponse(response.get()); stream->didReceiveData(0, static_cast<const char*>([JSData bytes]), [JSData length]); stream->didFinishLoading(0); } } void NetscapePluginInstanceProxy::requestTimerFired(Timer<NetscapePluginInstanceProxy>*) { ASSERT(!m_pluginRequests.isEmpty()); ASSERT(m_pluginView); RefPtr<PluginRequest> request = m_pluginRequests.first(); m_pluginRequests.removeFirst(); if (!m_pluginRequests.isEmpty()) m_requestTimer.startOneShot(0); performRequest(request.get()); } NPError NetscapePluginInstanceProxy::loadRequest(NSURLRequest *request, const char* cTarget, bool allowPopups, uint32_t& requestID) { NSURL *URL = [request URL]; if (!URL) return NPERR_INVALID_URL; // Don't allow requests to be loaded when the document loader is stopping all loaders. DocumentLoader* documentLoader = [[m_pluginView dataSource] _documentLoader]; if (!documentLoader || documentLoader->isStopping()) return NPERR_GENERIC_ERROR; NSString *target = nil; if (cTarget) { // Find the frame given the target string. target = [NSString stringWithCString:cTarget encoding:NSISOLatin1StringEncoding]; } WebFrame *frame = [m_pluginView webFrame]; // don't let a plugin start any loads if it is no longer part of a document that is being // displayed unless the loads are in the same frame as the plugin. if (documentLoader != core([m_pluginView webFrame])->loader()->activeDocumentLoader() && (!cTarget || [frame findFrameNamed:target] != frame)) { return NPERR_GENERIC_ERROR; } NSString *JSString = [URL _webkit_scriptIfJavaScriptURL]; if (JSString != nil) { if (![[[m_pluginView webView] preferences] isJavaScriptEnabled]) { // Return NPERR_GENERIC_ERROR if JS is disabled. This is what Mozilla does. return NPERR_GENERIC_ERROR; } } else { if (!SecurityOrigin::canLoad(URL, String(), core([m_pluginView webFrame])->document())) return NPERR_GENERIC_ERROR; } // FIXME: Handle wraparound requestID = ++m_currentURLRequestID; if (cTarget || JSString) { // Make when targetting a frame or evaluating a JS string, perform the request after a delay because we don't // want to potentially kill the plug-in inside of its URL request. if (JSString && target && [frame findFrameNamed:target] != frame) { // For security reasons, only allow JS requests to be made on the frame that contains the plug-in. return NPERR_INVALID_PARAM; } RefPtr<PluginRequest> pluginRequest = PluginRequest::create(requestID, request, target, allowPopups); m_pluginRequests.append(pluginRequest.release()); m_requestTimer.startOneShot(0); } else { RefPtr<HostedNetscapePluginStream> stream = HostedNetscapePluginStream::create(this, requestID, request); ASSERT(!m_streams.contains(requestID)); m_streams.add(requestID, stream); stream->start(); } return NPERR_NO_ERROR; } NetscapePluginInstanceProxy::Reply* NetscapePluginInstanceProxy::processRequestsAndWaitForReply(uint32_t requestID) { Reply* reply = 0; while (!(reply = m_replies.take(requestID))) { if (!m_pluginHostProxy->processRequests()) return 0; } ASSERT(reply); return reply; } uint32_t NetscapePluginInstanceProxy::idForObject(JSObject* object) { uint32_t objectID = 0; // Assign an object ID. do { objectID = ++m_objectIDCounter; } while (!m_objectIDCounter || m_objectIDCounter == static_cast<uint32_t>(-1) || m_objects.contains(objectID)); m_objects.set(objectID, object); return objectID; } // NPRuntime support bool NetscapePluginInstanceProxy::getWindowNPObject(uint32_t& objectID) { Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; if (!frame->script()->canExecuteScripts()) objectID = 0; else objectID = idForObject(frame->script()->windowShell(pluginWorld())->window()); return true; } bool NetscapePluginInstanceProxy::getPluginElementNPObject(uint32_t& objectID) { Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; if (JSObject* object = frame->script()->jsObjectForPluginElement([m_pluginView element])) objectID = idForObject(object); else objectID = 0; return true; } void NetscapePluginInstanceProxy::releaseObject(uint32_t objectID) { m_objects.remove(objectID); } bool NetscapePluginInstanceProxy::evaluate(uint32_t objectID, const String& script, data_t& resultData, mach_msg_type_number_t& resultLength, bool allowPopups) { resultData = 0; resultLength = 0; if (!m_objects.contains(objectID)) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; JSLock lock(SilenceAssertionsOnly); ProtectedPtr<JSGlobalObject> globalObject = frame->script()->globalObject(pluginWorld()); ExecState* exec = globalObject->globalExec(); bool oldAllowPopups = frame->script()->allowPopupsFromPlugin(); frame->script()->setAllowPopupsFromPlugin(allowPopups); globalObject->globalData()->timeoutChecker.start(); Completion completion = JSC::evaluate(exec, globalObject->globalScopeChain(), makeSource(script)); globalObject->globalData()->timeoutChecker.stop(); ComplType type = completion.complType(); frame->script()->setAllowPopupsFromPlugin(oldAllowPopups); JSValue result; if (type == Normal) result = completion.value(); if (!result) result = jsUndefined(); marshalValue(exec, result, resultData, resultLength); exec->clearException(); return true; } bool NetscapePluginInstanceProxy::invoke(uint32_t objectID, const Identifier& methodName, data_t argumentsData, mach_msg_type_number_t argumentsLength, data_t& resultData, mach_msg_type_number_t& resultLength) { resultData = 0; resultLength = 0; if (m_inDestroy) return false; JSObject* object = m_objects.get(objectID); if (!object) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; ExecState* exec = frame->script()->globalObject(pluginWorld())->globalExec(); JSLock lock(SilenceAssertionsOnly); JSValue function = object->get(exec, methodName); CallData callData; CallType callType = function.getCallData(callData); if (callType == CallTypeNone) return false; MarkedArgumentBuffer argList; demarshalValues(exec, argumentsData, argumentsLength, argList); ProtectedPtr<JSGlobalObject> globalObject = frame->script()->globalObject(pluginWorld()); globalObject->globalData()->timeoutChecker.start(); JSValue value = call(exec, function, callType, callData, object, argList); globalObject->globalData()->timeoutChecker.stop(); marshalValue(exec, value, resultData, resultLength); exec->clearException(); return true; } bool NetscapePluginInstanceProxy::invokeDefault(uint32_t objectID, data_t argumentsData, mach_msg_type_number_t argumentsLength, data_t& resultData, mach_msg_type_number_t& resultLength) { if (m_inDestroy) return false; JSObject* object = m_objects.get(objectID); if (!object) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; ExecState* exec = frame->script()->globalObject(pluginWorld())->globalExec(); JSLock lock(SilenceAssertionsOnly); CallData callData; CallType callType = object->getCallData(callData); if (callType == CallTypeNone) return false; MarkedArgumentBuffer argList; demarshalValues(exec, argumentsData, argumentsLength, argList); ProtectedPtr<JSGlobalObject> globalObject = frame->script()->globalObject(pluginWorld()); globalObject->globalData()->timeoutChecker.start(); JSValue value = call(exec, object, callType, callData, object, argList); globalObject->globalData()->timeoutChecker.stop(); marshalValue(exec, value, resultData, resultLength); exec->clearException(); return true; } bool NetscapePluginInstanceProxy::construct(uint32_t objectID, data_t argumentsData, mach_msg_type_number_t argumentsLength, data_t& resultData, mach_msg_type_number_t& resultLength) { if (m_inDestroy) return false; JSObject* object = m_objects.get(objectID); if (!object) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; ExecState* exec = frame->script()->globalObject(pluginWorld())->globalExec(); JSLock lock(SilenceAssertionsOnly); ConstructData constructData; ConstructType constructType = object->getConstructData(constructData); if (constructType == ConstructTypeNone) return false; MarkedArgumentBuffer argList; demarshalValues(exec, argumentsData, argumentsLength, argList); ProtectedPtr<JSGlobalObject> globalObject = frame->script()->globalObject(pluginWorld()); globalObject->globalData()->timeoutChecker.start(); JSValue value = JSC::construct(exec, object, constructType, constructData, argList); globalObject->globalData()->timeoutChecker.stop(); marshalValue(exec, value, resultData, resultLength); exec->clearException(); return true; } bool NetscapePluginInstanceProxy::getProperty(uint32_t objectID, const Identifier& propertyName, data_t& resultData, mach_msg_type_number_t& resultLength) { if (m_inDestroy) return false; JSObject* object = m_objects.get(objectID); if (!object) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; ExecState* exec = frame->script()->globalObject(pluginWorld())->globalExec(); JSLock lock(SilenceAssertionsOnly); JSValue value = object->get(exec, propertyName); marshalValue(exec, value, resultData, resultLength); exec->clearException(); return true; } bool NetscapePluginInstanceProxy::getProperty(uint32_t objectID, unsigned propertyName, data_t& resultData, mach_msg_type_number_t& resultLength) { JSObject* object = m_objects.get(objectID); if (!object) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; ExecState* exec = frame->script()->globalObject(pluginWorld())->globalExec(); JSLock lock(SilenceAssertionsOnly); JSValue value = object->get(exec, propertyName); marshalValue(exec, value, resultData, resultLength); exec->clearException(); return true; } bool NetscapePluginInstanceProxy::setProperty(uint32_t objectID, const Identifier& propertyName, data_t valueData, mach_msg_type_number_t valueLength) { if (m_inDestroy) return false; JSObject* object = m_objects.get(objectID); if (!object) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; ExecState* exec = frame->script()->globalObject(pluginWorld())->globalExec(); JSLock lock(SilenceAssertionsOnly); JSValue value = demarshalValue(exec, valueData, valueLength); PutPropertySlot slot; object->put(exec, propertyName, value, slot); exec->clearException(); return true; } bool NetscapePluginInstanceProxy::setProperty(uint32_t objectID, unsigned propertyName, data_t valueData, mach_msg_type_number_t valueLength) { if (m_inDestroy) return false; JSObject* object = m_objects.get(objectID); if (!object) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; ExecState* exec = frame->script()->globalObject(pluginWorld())->globalExec(); JSLock lock(SilenceAssertionsOnly); JSValue value = demarshalValue(exec, valueData, valueLength); object->put(exec, propertyName, value); exec->clearException(); return true; } bool NetscapePluginInstanceProxy::removeProperty(uint32_t objectID, const Identifier& propertyName) { if (m_inDestroy) return false; JSObject* object = m_objects.get(objectID); if (!object) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; ExecState* exec = frame->script()->globalObject(pluginWorld())->globalExec(); if (!object->hasProperty(exec, propertyName)) { exec->clearException(); return false; } JSLock lock(SilenceAssertionsOnly); object->deleteProperty(exec, propertyName); exec->clearException(); return true; } bool NetscapePluginInstanceProxy::removeProperty(uint32_t objectID, unsigned propertyName) { if (m_inDestroy) return false; JSObject* object = m_objects.get(objectID); if (!object) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; ExecState* exec = frame->script()->globalObject(pluginWorld())->globalExec(); if (!object->hasProperty(exec, propertyName)) { exec->clearException(); return false; } JSLock lock(SilenceAssertionsOnly); object->deleteProperty(exec, propertyName); exec->clearException(); return true; } bool NetscapePluginInstanceProxy::hasProperty(uint32_t objectID, const Identifier& propertyName) { if (m_inDestroy) return false; JSObject* object = m_objects.get(objectID); if (!object) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; ExecState* exec = frame->script()->globalObject(pluginWorld())->globalExec(); bool result = object->hasProperty(exec, propertyName); exec->clearException(); return result; } bool NetscapePluginInstanceProxy::hasProperty(uint32_t objectID, unsigned propertyName) { if (m_inDestroy) return false; JSObject* object = m_objects.get(objectID); if (!object) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; ExecState* exec = frame->script()->globalObject(pluginWorld())->globalExec(); bool result = object->hasProperty(exec, propertyName); exec->clearException(); return result; } bool NetscapePluginInstanceProxy::hasMethod(uint32_t objectID, const Identifier& methodName) { if (m_inDestroy) return false; JSObject* object = m_objects.get(objectID); if (!object) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; ExecState* exec = frame->script()->globalObject(pluginWorld())->globalExec(); JSLock lock(SilenceAssertionsOnly); JSValue func = object->get(exec, methodName); exec->clearException(); return !func.isUndefined(); } bool NetscapePluginInstanceProxy::enumerate(uint32_t objectID, data_t& resultData, mach_msg_type_number_t& resultLength) { if (m_inDestroy) return false; JSObject* object = m_objects.get(objectID); if (!object) return false; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; ExecState* exec = frame->script()->globalObject(pluginWorld())->globalExec(); JSLock lock(SilenceAssertionsOnly); PropertyNameArray propertyNames(exec); object->getPropertyNames(exec, propertyNames); RetainPtr<NSMutableArray*> array(AdoptNS, [[NSMutableArray alloc] init]); for (unsigned i = 0; i < propertyNames.size(); i++) { uint64_t methodName = reinterpret_cast<uint64_t>(_NPN_GetStringIdentifier(propertyNames[i].ustring().UTF8String().c_str())); [array.get() addObject:[NSNumber numberWithLongLong:methodName]]; } NSData *data = [NSPropertyListSerialization dataFromPropertyList:array.get() format:NSPropertyListBinaryFormat_v1_0 errorDescription:0]; ASSERT(data); resultLength = [data length]; mig_allocate(reinterpret_cast<vm_address_t*>(&resultData), resultLength); memcpy(resultData, [data bytes], resultLength); exec->clearException(); return true; } void NetscapePluginInstanceProxy::addValueToArray(NSMutableArray *array, ExecState* exec, JSValue value) { JSLock lock(SilenceAssertionsOnly); if (value.isString()) { [array addObject:[NSNumber numberWithInt:StringValueType]]; [array addObject:String(value.toString(exec))]; } else if (value.isNumber()) { [array addObject:[NSNumber numberWithInt:DoubleValueType]]; [array addObject:[NSNumber numberWithDouble:value.toNumber(exec)]]; } else if (value.isBoolean()) { [array addObject:[NSNumber numberWithInt:BoolValueType]]; [array addObject:[NSNumber numberWithBool:value.toBoolean(exec)]]; } else if (value.isNull()) [array addObject:[NSNumber numberWithInt:NullValueType]]; else if (value.isObject()) { JSObject* object = asObject(value); if (object->classInfo() == &RuntimeObjectImp::s_info) { RuntimeObjectImp* imp = static_cast<RuntimeObjectImp*>(object); if (ProxyInstance* instance = static_cast<ProxyInstance*>(imp->getInternalInstance())) { [array addObject:[NSNumber numberWithInt:NPObjectValueType]]; [array addObject:[NSNumber numberWithInt:instance->objectID()]]; } } else { [array addObject:[NSNumber numberWithInt:JSObjectValueType]]; [array addObject:[NSNumber numberWithInt:idForObject(object)]]; } } else [array addObject:[NSNumber numberWithInt:VoidValueType]]; } void NetscapePluginInstanceProxy::marshalValue(ExecState* exec, JSValue value, data_t& resultData, mach_msg_type_number_t& resultLength) { RetainPtr<NSMutableArray*> array(AdoptNS, [[NSMutableArray alloc] init]); addValueToArray(array.get(), exec, value); RetainPtr<NSData *> data = [NSPropertyListSerialization dataFromPropertyList:array.get() format:NSPropertyListBinaryFormat_v1_0 errorDescription:0]; ASSERT(data); resultLength = [data.get() length]; mig_allocate(reinterpret_cast<vm_address_t*>(&resultData), resultLength); memcpy(resultData, [data.get() bytes], resultLength); } RetainPtr<NSData *> NetscapePluginInstanceProxy::marshalValues(ExecState* exec, const ArgList& args) { RetainPtr<NSMutableArray*> array(AdoptNS, [[NSMutableArray alloc] init]); for (unsigned i = 0; i < args.size(); i++) addValueToArray(array.get(), exec, args.at(i)); RetainPtr<NSData *> data = [NSPropertyListSerialization dataFromPropertyList:array.get() format:NSPropertyListBinaryFormat_v1_0 errorDescription:0]; ASSERT(data); return data; } bool NetscapePluginInstanceProxy::demarshalValueFromArray(ExecState* exec, NSArray *array, NSUInteger& index, JSValue& result) { if (index == [array count]) return false; int type = [[array objectAtIndex:index++] intValue]; switch (type) { case VoidValueType: result = jsUndefined(); return true; case NullValueType: result = jsNull(); return true; case BoolValueType: result = jsBoolean([[array objectAtIndex:index++] boolValue]); return true; case DoubleValueType: result = jsNumber(exec, [[array objectAtIndex:index++] doubleValue]); return true; case StringValueType: { NSString *string = [array objectAtIndex:index++]; result = jsString(exec, String(string)); return true; } case JSObjectValueType: { uint32_t objectID = [[array objectAtIndex:index++] intValue]; result = m_objects.get(objectID); ASSERT(result); return true; } case NPObjectValueType: { uint32_t objectID = [[array objectAtIndex:index++] intValue]; Frame* frame = core([m_pluginView webFrame]); if (!frame) return false; if (!frame->script()->canExecuteScripts()) return false; RefPtr<RootObject> rootObject = frame->script()->createRootObject(m_pluginView); if (!rootObject) return false; result = ProxyInstance::create(rootObject.release(), this, objectID)->createRuntimeObject(exec); return true; } default: ASSERT_NOT_REACHED(); return false; } } JSValue NetscapePluginInstanceProxy::demarshalValue(ExecState* exec, const char* valueData, mach_msg_type_number_t valueLength) { RetainPtr<NSData*> data(AdoptNS, [[NSData alloc] initWithBytesNoCopy:(void*)valueData length:valueLength freeWhenDone:NO]); RetainPtr<NSArray*> array = [NSPropertyListSerialization propertyListFromData:data.get() mutabilityOption:NSPropertyListImmutable format:0 errorDescription:0]; NSUInteger position = 0; JSValue value; bool result = demarshalValueFromArray(exec, array.get(), position, value); ASSERT_UNUSED(result, result); return value; } void NetscapePluginInstanceProxy::demarshalValues(ExecState* exec, data_t valuesData, mach_msg_type_number_t valuesLength, MarkedArgumentBuffer& result) { RetainPtr<NSData*> data(AdoptNS, [[NSData alloc] initWithBytesNoCopy:valuesData length:valuesLength freeWhenDone:NO]); RetainPtr<NSArray*> array = [NSPropertyListSerialization propertyListFromData:data.get() mutabilityOption:NSPropertyListImmutable format:0 errorDescription:0]; NSUInteger position = 0; JSValue value; while (demarshalValueFromArray(exec, array.get(), position, value)) result.append(value); } PassRefPtr<Instance> NetscapePluginInstanceProxy::createBindingsInstance(PassRefPtr<RootObject> rootObject) { uint32_t requestID = nextRequestID(); if (_WKPHGetScriptableNPObject(m_pluginHostProxy->port(), m_pluginID, requestID) != KERN_SUCCESS) return 0; // If the plug-in host crashes while we're waiting for a reply, the last reference to the instance proxy // will go away. Prevent this by protecting it here. RefPtr<NetscapePluginInstanceProxy> protect(this); auto_ptr<GetScriptableNPObjectReply> reply = waitForReply<GetScriptableNPObjectReply>(requestID); if (!reply.get()) return 0; if (!reply->m_objectID) return 0; return ProxyInstance::create(rootObject, this, reply->m_objectID); } void NetscapePluginInstanceProxy::addInstance(ProxyInstance* instance) { ASSERT(!m_instances.contains(instance)); m_instances.add(instance); } void NetscapePluginInstanceProxy::removeInstance(ProxyInstance* instance) { ASSERT(m_instances.contains(instance)); m_instances.remove(instance); } void NetscapePluginInstanceProxy::willCallPluginFunction() { m_pluginFunctionCallDepth++; } void NetscapePluginInstanceProxy::didCallPluginFunction() { ASSERT(m_pluginFunctionCallDepth > 0); m_pluginFunctionCallDepth--; // If -stop was called while we were calling into a plug-in function, and we're no longer // inside a plug-in function, stop now. if (!m_pluginFunctionCallDepth && m_shouldStopSoon) { m_shouldStopSoon = false; [m_pluginView stop]; } } bool NetscapePluginInstanceProxy::shouldStop() { if (m_pluginFunctionCallDepth) { m_shouldStopSoon = true; return false; } return true; } uint32_t NetscapePluginInstanceProxy::nextRequestID() { uint32_t requestID = ++m_currentRequestID; // We don't want to return the HashMap empty/deleted "special keys" if (requestID == 0 || requestID == static_cast<uint32_t>(-1)) return nextRequestID(); return requestID; } void NetscapePluginInstanceProxy::invalidateRect(double x, double y, double width, double height) { ASSERT(m_pluginView); m_pluginIsWaitingForDraw = true; [m_pluginView invalidatePluginContentRect:NSMakeRect(x, y, width, height)]; } void NetscapePluginInstanceProxy::didDraw() { if (!m_pluginIsWaitingForDraw) return; m_pluginIsWaitingForDraw = false; _WKPHPluginInstanceDidDraw(m_pluginHostProxy->port(), m_pluginID); } bool NetscapePluginInstanceProxy::getCookies(data_t urlData, mach_msg_type_number_t urlLength, data_t& cookiesData, mach_msg_type_number_t& cookiesLength) { ASSERT(m_pluginView); NSURL *url = [m_pluginView URLWithCString:urlData]; if (!url) return false; if (Frame* frame = core([m_pluginView webFrame])) { String cookieString = cookies(frame->document(), url); WebCore::CString cookieStringUTF8 = cookieString.utf8(); if (cookieStringUTF8.isNull()) return false; cookiesLength = cookieStringUTF8.length(); mig_allocate(reinterpret_cast<vm_address_t*>(&cookiesData), cookiesLength); memcpy(cookiesData, cookieStringUTF8.data(), cookiesLength); return true; } return false; } bool NetscapePluginInstanceProxy::setCookies(data_t urlData, mach_msg_type_number_t urlLength, data_t cookiesData, mach_msg_type_number_t cookiesLength) { ASSERT(m_pluginView); NSURL *url = [m_pluginView URLWithCString:urlData]; if (!url) return false; if (Frame* frame = core([m_pluginView webFrame])) { String cookieString = String::fromUTF8(cookiesData, cookiesLength); if (!cookieString) return false; WebCore::setCookies(frame->document(), url, cookieString); return true; } return false; } bool NetscapePluginInstanceProxy::getProxy(data_t urlData, mach_msg_type_number_t urlLength, data_t& proxyData, mach_msg_type_number_t& proxyLength) { ASSERT(m_pluginView); NSURL *url = [m_pluginView URLWithCString:urlData]; if (!url) return false; WebCore::CString proxyStringUTF8 = proxiesForURL(url); proxyLength = proxyStringUTF8.length(); mig_allocate(reinterpret_cast<vm_address_t*>(&proxyData), proxyLength); memcpy(proxyData, proxyStringUTF8.data(), proxyLength); return true; } bool NetscapePluginInstanceProxy::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) { WebCore::CString username; WebCore::CString password; if (!WebKit::getAuthenticationInfo(protocolData, hostData, port, schemeData, realmData, username, password)) return false; usernameLength = username.length(); mig_allocate(reinterpret_cast<vm_address_t*>(&usernameData), usernameLength); memcpy(usernameData, username.data(), usernameLength); passwordLength = password.length(); mig_allocate(reinterpret_cast<vm_address_t*>(&passwordData), passwordLength); memcpy(passwordData, password.data(), passwordLength); return true; } bool NetscapePluginInstanceProxy::convertPoint(double sourceX, double sourceY, NPCoordinateSpace sourceSpace, double& destX, double& destY, NPCoordinateSpace destSpace) { ASSERT(m_pluginView); return [m_pluginView convertFromX:sourceX andY:sourceY space:sourceSpace toX:&destX andY:&destY space:destSpace]; } uint32_t NetscapePluginInstanceProxy::checkIfAllowedToLoadURL(const char* url, const char* target) { uint32_t checkID; // Assign a check ID do { checkID = ++m_urlCheckCounter; } while (m_urlChecks.contains(checkID) || !m_urlCheckCounter); NSString *frameName = target ? [NSString stringWithCString:target encoding:NSISOLatin1StringEncoding] : nil; NSNumber *contextInfo = [[NSNumber alloc] initWithUnsignedInt:checkID]; WebPluginContainerCheck *check = [WebPluginContainerCheck checkWithRequest:[m_pluginView requestWithURLCString:url] target:frameName resultObject:m_pluginView selector:@selector(_containerCheckResult:contextInfo:) controller:m_pluginView contextInfo:contextInfo]; [contextInfo release]; m_urlChecks.set(checkID, check); [check start]; return checkID; } void NetscapePluginInstanceProxy::cancelCheckIfAllowedToLoadURL(uint32_t checkID) { URLCheckMap::iterator it = m_urlChecks.find(checkID); if (it == m_urlChecks.end()) return; WebPluginContainerCheck *check = it->second.get(); [check cancel]; m_urlChecks.remove(it); } void NetscapePluginInstanceProxy::checkIfAllowedToLoadURLResult(uint32_t checkID, bool allowed) { _WKPHCheckIfAllowedToLoadURLResult(m_pluginHostProxy->port(), m_pluginID, checkID, allowed); } void NetscapePluginInstanceProxy::resolveURL(const char* url, const char* target, data_t& resolvedURLData, mach_msg_type_number_t& resolvedURLLength) { ASSERT(m_pluginView); WebCore::CString resolvedURL = [m_pluginView resolvedURLStringForURL:url target:target]; resolvedURLLength = resolvedURL.length(); mig_allocate(reinterpret_cast<vm_address_t*>(&resolvedURLData), resolvedURLLength); memcpy(resolvedURLData, resolvedURL.data(), resolvedURLLength); } void NetscapePluginInstanceProxy::privateBrowsingModeDidChange(bool isPrivateBrowsingEnabled) { _WKPHPluginInstancePrivateBrowsingModeDidChange(m_pluginHostProxy->port(), m_pluginID, isPrivateBrowsingEnabled); } static String& globalExceptionString() { DEFINE_STATIC_LOCAL(String, exceptionString, ()); return exceptionString; } void NetscapePluginInstanceProxy::setGlobalException(const String& exception) { globalExceptionString() = exception; } void NetscapePluginInstanceProxy::moveGlobalExceptionToExecState(ExecState* exec) { if (globalExceptionString().isNull()) return; { JSLock lock(SilenceAssertionsOnly); throwError(exec, GeneralError, globalExceptionString()); } globalExceptionString() = UString(); } } // namespace WebKit #endif // USE(PLUGIN_HOST_PROCESS)