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 /* ***** BEGIN LICENSE BLOCK *****

  *

  * Copyright (c) 2008, Mozilla Corporation

  * 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 the Mozilla Corporation 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.

  *

  * Contributor(s):

  *   Dave Townsend <dtownsend@oxymoronical.com>

  *   Josh Aas <josh@mozilla.com>

  *

  * ***** END LICENSE BLOCK ***** */

 #include "nptest.h"

 #include "nptest_utils.h"

 #include "nptest_platform.h"

 #include "mozilla/IntentionalCrash.h"

 #include <stdlib.h>

 #include <string.h>

 #include <stdio.h>

 #include <iostream>

 #include <string>

 #include <sstream>

 #include <list>

 #include <ctime>

 #ifdef XP_WIN

 #include <process.h>

 #include <float.h>

 #include <windows.h>

 #define getpid _getpid

 #define strcasecmp _stricmp

 #else

 #include <unistd.h>

 #include <pthread.h>

 #endif

 #include "mozilla/NullPtr.h"

 using namespace std;

 #define PLUGIN_VERSION     "1.0.0.0"

 #define ARRAY_LENGTH(a) (sizeof(a)/sizeof(a[0]))

 #define STATIC_ASSERT(condition)                                \

     extern void np_static_assert(int arg[(condition) ? 1 : -1])

 extern const char *sPluginName;

 extern const char *sPluginDescription;

 static char sPluginVersion[] = PLUGIN_VERSION;

 //

 // Intentional crash

 //

 int gCrashCount = 0;

 static void Crash()

 {

   int *pi = nullptr;

   *pi = 55; // Crash dereferencing null pointer

   ++gCrashCount;

 }

 static void

 IntentionalCrash()

 {

   mozilla::NoteIntentionalCrash("plugin");

   Crash();

 }

 //

 // static data

 //

 static NPNetscapeFuncs* sBrowserFuncs = nullptr;

 static NPClass sNPClass;

 void

 asyncCallback(void* cookie);

 //

 // identifiers

 //

 typedef bool (* ScriptableFunction)

   (NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool npnEvaluateTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool npnInvokeTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool npnInvokeDefaultTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool setUndefinedValueTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool identifierToStringTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool timerTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool queryPrivateModeState(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool lastReportedPrivateModeState(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool hasWidget(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getEdge(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getClipRegionRectCount(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getClipRegionRectEdge(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool startWatchingInstanceCount(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getInstanceCount(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool stopWatchingInstanceCount(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getLastMouseX(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getLastMouseY(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getPaintCount(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getWidthAtLastPaint(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool setInvalidateDuringPaint(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool setSlowPaint(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getError(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool doInternalConsistencyCheck(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool setColor(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool throwExceptionNextInvoke(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool convertPointX(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool convertPointY(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool streamTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool setPluginWantsAllStreams(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool crashPlugin(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool crashOnDestroy(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getObjectValue(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getJavaCodebase(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool checkObjectValue(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool enableFPExceptions(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool setCookie(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getCookie(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getAuthInfo(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool asyncCallbackTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool checkGCRace(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool hangPlugin(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool stallPlugin(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getClipboardText(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool callOnDestroy(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool reinitWidget(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool crashPluginInNestedLoop(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool destroySharedGfxStuff(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool propertyAndMethod(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getTopLevelWindowActivationState(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getTopLevelWindowActivationEventCount(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getFocusState(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getFocusEventCount(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getEventModel(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getReflector(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool isVisible(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getWindowPosition(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool constructObject(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool setSitesWithData(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool setSitesWithDataCapabilities(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getLastKeyText(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getNPNVdocumentOrigin(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool getMouseUpEventCount(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static bool queryContentsScaleFactor(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 static const NPUTF8* sPluginMethodIdentifierNames[] = {

   "npnEvaluateTest",

   "npnInvokeTest",

   "npnInvokeDefaultTest",

   "setUndefinedValueTest",

   "identifierToStringTest",

   "timerTest",

   "queryPrivateModeState",

   "lastReportedPrivateModeState",

   "hasWidget",

   "getEdge",

   "getClipRegionRectCount",

   "getClipRegionRectEdge",

   "startWatchingInstanceCount",

   "getInstanceCount",

   "stopWatchingInstanceCount",

   "getLastMouseX",

   "getLastMouseY",

   "getPaintCount",

   "getWidthAtLastPaint",

   "setInvalidateDuringPaint",

   "setSlowPaint",

   "getError",

   "doInternalConsistencyCheck",

   "setColor",

   "throwExceptionNextInvoke",

   "convertPointX",

   "convertPointY",

   "streamTest",

   "setPluginWantsAllStreams",

   "crash",

   "crashOnDestroy",

   "getObjectValue",

   "getJavaCodebase",

   "checkObjectValue",

   "enableFPExceptions",

   "setCookie",

   "getCookie",

   "getAuthInfo",

   "asyncCallbackTest",

   "checkGCRace",

   "hang",

   "stall",

   "getClipboardText",

   "callOnDestroy",

   "reinitWidget",

   "crashInNestedLoop",

   "destroySharedGfxStuff",

   "propertyAndMethod",

   "getTopLevelWindowActivationState",

   "getTopLevelWindowActivationEventCount",

   "getFocusState",

   "getFocusEventCount",

   "getEventModel",

   "getReflector",

   "isVisible",

   "getWindowPosition",

   "constructObject",

   "setSitesWithData",

   "setSitesWithDataCapabilities",

   "getLastKeyText",

   "getNPNVdocumentOrigin",

   "getMouseUpEventCount",

   "queryContentsScaleFactor"

 };

 static NPIdentifier sPluginMethodIdentifiers[ARRAY_LENGTH(sPluginMethodIdentifierNames)];

 static const ScriptableFunction sPluginMethodFunctions[] = {

   npnEvaluateTest,

   npnInvokeTest,

   npnInvokeDefaultTest,

   setUndefinedValueTest,

   identifierToStringTest,

   timerTest,

   queryPrivateModeState,

   lastReportedPrivateModeState,

   hasWidget,

   getEdge,

   getClipRegionRectCount,

   getClipRegionRectEdge,

   startWatchingInstanceCount,

   getInstanceCount,

   stopWatchingInstanceCount,

   getLastMouseX,

   getLastMouseY,

   getPaintCount,

   getWidthAtLastPaint,

   setInvalidateDuringPaint,

   setSlowPaint,

   getError,

   doInternalConsistencyCheck,

   setColor,

   throwExceptionNextInvoke,

   convertPointX,

   convertPointY,

   streamTest,

   setPluginWantsAllStreams,

   crashPlugin,

   crashOnDestroy,

   getObjectValue,

   getJavaCodebase,

   checkObjectValue,

   enableFPExceptions,

   setCookie,

   getCookie,

   getAuthInfo,

   asyncCallbackTest,

   checkGCRace,

   hangPlugin,

   stallPlugin,

   getClipboardText,

   callOnDestroy,

   reinitWidget,

   crashPluginInNestedLoop,

   destroySharedGfxStuff,

   propertyAndMethod,

   getTopLevelWindowActivationState,

   getTopLevelWindowActivationEventCount,

   getFocusState,

   getFocusEventCount,

   getEventModel,

   getReflector,

   isVisible,

   getWindowPosition,

   constructObject,

   setSitesWithData,

   setSitesWithDataCapabilities,

   getLastKeyText,

   getNPNVdocumentOrigin,

   getMouseUpEventCount,

   queryContentsScaleFactor

 };

 STATIC_ASSERT(ARRAY_LENGTH(sPluginMethodIdentifierNames) ==

               ARRAY_LENGTH(sPluginMethodFunctions));

 static const NPUTF8* sPluginPropertyIdentifierNames[] = {

   "propertyAndMethod"

 };

 static NPIdentifier sPluginPropertyIdentifiers[ARRAY_LENGTH(sPluginPropertyIdentifierNames)];

 static NPVariant sPluginPropertyValues[ARRAY_LENGTH(sPluginPropertyIdentifierNames)];

 struct URLNotifyData

 {

   const char* cookie;

   NPObject* writeCallback;

   NPObject* notifyCallback;

   NPObject* redirectCallback;

   bool allowRedirects;

   uint32_t size;

   char* data;

 };

 static URLNotifyData kNotifyData = {

   "static-cookie",

   nullptr,

   nullptr,

   nullptr,

   false,

   0,

   nullptr

 };

 static const char* SUCCESS_STRING = "pass";

 static bool sIdentifiersInitialized = false;

 struct timerEvent {

   int32_t timerIdReceive;

   int32_t timerIdSchedule;

   uint32_t timerInterval;

   bool timerRepeat;

   int32_t timerIdUnschedule;

 };

 static timerEvent timerEvents[] = {

   {-1, 0, 200, false, -1},

   {0, 0, 400, false, -1},

   {0, 0, 200, true, -1},

   {0, 1, 400, true, -1},

   {0, -1, 0, false, 0},

   {1, -1, 0, false, -1},

   {1, -1, 0, false, 1},

 };

 static uint32_t currentTimerEventCount = 0;

 static uint32_t totalTimerEvents = sizeof(timerEvents) / sizeof(timerEvent);

 /**

  * Incremented for every startWatchingInstanceCount.

  */

 static int32_t sCurrentInstanceCountWatchGeneration = 0;

 /**

  * Tracks the number of instances created or destroyed since the last

  * startWatchingInstanceCount.

  */

 static int32_t sInstanceCount = 0;

 /**

  * True when we've had a startWatchingInstanceCount with no corresponding

  * stopWatchingInstanceCount.

  */

 static bool sWatchingInstanceCount = false;

 /**

  * A list representing sites for which the plugin has stored data. See

  * NPP_ClearSiteData and NPP_GetSitesWithData.

  */

 struct siteData {

   string site;

   uint64_t flags;

   uint64_t age;

 };

 static list<siteData>* sSitesWithData;

 static bool sClearByAgeSupported;

 static void initializeIdentifiers()

 {

   if (!sIdentifiersInitialized) {

     NPN_GetStringIdentifiers(sPluginMethodIdentifierNames,

         ARRAY_LENGTH(sPluginMethodIdentifierNames), sPluginMethodIdentifiers);

     NPN_GetStringIdentifiers(sPluginPropertyIdentifierNames,

         ARRAY_LENGTH(sPluginPropertyIdentifierNames), sPluginPropertyIdentifiers);

     sIdentifiersInitialized = true;

     // Check whether nullptr is handled in NPN_GetStringIdentifiers

     NPIdentifier IDList[2];

     static char const *const kIDNames[2] = { nullptr, "setCookie" };

     NPN_GetStringIdentifiers(const_cast<const NPUTF8**>(kIDNames), 2, IDList);

   }

 }

 static void clearIdentifiers()

 {

   memset(sPluginMethodIdentifiers, 0,

       ARRAY_LENGTH(sPluginMethodIdentifiers) * sizeof(NPIdentifier));

   memset(sPluginPropertyIdentifiers, 0,

       ARRAY_LENGTH(sPluginPropertyIdentifiers) * sizeof(NPIdentifier));

   sIdentifiersInitialized = false;

 }

 static void addRange(InstanceData* instanceData, const char* range)

 {

   char rangestr[16];

   strncpy(rangestr, range, sizeof(rangestr));

   const char* str1 = strtok(rangestr, ",");

   const char* str2 = str1 ? strtok(nullptr, ",") : nullptr;

   if (str1 && str2) {

     TestRange* byterange = new TestRange;

     byterange->offset = atoi(str1);

     byterange->length = atoi(str2);

     byterange->waiting = true;

     byterange->next = instanceData->testrange;

     instanceData->testrange = byterange;

   }

 }

 static void sendBufferToFrame(NPP instance)

 {

   InstanceData* instanceData = (InstanceData*)(instance->pdata);

   string outbuf;

   if (!instanceData->npnNewStream) outbuf = "data:text/html,";

   const char* buf = reinterpret_cast<char *>(instanceData->streamBuf);

   int32_t bufsize = instanceData->streamBufSize;

   if (instanceData->streamMode == NP_ASFILE ||

       instanceData->streamMode == NP_ASFILEONLY) {

     buf = reinterpret_cast<char *>(instanceData->fileBuf);

     bufsize = instanceData->fileBufSize;

   }

   if (instanceData->err.str().length() > 0) {

     outbuf.append(instanceData->err.str());

   }

   else if (bufsize > 0) {

     outbuf.append(buf);

   }

   else {

     outbuf.append("Error: no data in buffer");

   }

   if (instanceData->npnNewStream &&

       instanceData->err.str().length() == 0) {

     char typeHTML[] = "text/html";

     NPStream* stream;

     printf("calling NPN_NewStream...");

     NPError err = NPN_NewStream(instance, typeHTML,

         instanceData->frame.c_str(), &stream);

     printf("return value %d\n", err);

     if (err != NPERR_NO_ERROR) {

       instanceData->err << "NPN_NewStream returned " << err;

       return;

     }

     int32_t bytesToWrite = outbuf.length();

     int32_t bytesWritten = 0;

     while ((bytesToWrite - bytesWritten) > 0) {

       int32_t numBytes = (bytesToWrite - bytesWritten) <

           instanceData->streamChunkSize ?

           bytesToWrite - bytesWritten : instanceData->streamChunkSize;

       int32_t written = NPN_Write(instance, stream,

           numBytes, (void*)(outbuf.c_str() + bytesWritten));

       if (written <= 0) {

         instanceData->err << "NPN_Write returned " << written;

         break;

       }

       bytesWritten += numBytes;

       printf("%d bytes written, total %d\n", written, bytesWritten);

     }

     err = NPN_DestroyStream(instance, stream, NPRES_DONE);

     if (err != NPERR_NO_ERROR) {

       instanceData->err << "NPN_DestroyStream returned " << err;

     }

   }

   else {

     // Convert CRLF to LF, and escape most other non-alphanumeric chars.

     for (size_t i = 0; i < outbuf.length(); i++) {

       if (outbuf[i] == '\n') {

         outbuf.replace(i, 1, "%0a");

         i += 2;

       }

       else if (outbuf[i] == '\r') {

         outbuf.replace(i, 1, "");

         i -= 1;

       }

       else {

         int ascii = outbuf[i];

         if (!((ascii >= ',' && ascii <= ';') ||

               (ascii >= 'A' && ascii <= 'Z') ||

               (ascii >= 'a' && ascii <= 'z'))) {

           char hex[8];

           sprintf(hex, "%%%x", ascii);

           outbuf.replace(i, 1, hex);

           i += 2;

         }

       }

     }

     NPError err = NPN_GetURL(instance, outbuf.c_str(),

                              instanceData->frame.c_str());

     if (err != NPERR_NO_ERROR) {

       instanceData->err << "NPN_GetURL returned " << err;

     }

   }

 }

 static void XPSleep(unsigned int seconds)

 {

 #ifdef XP_WIN

   Sleep(1000 * seconds);

 #else

   sleep(seconds);

 #endif

 }

 TestFunction

 getFuncFromString(const char* funcname)

 {

   FunctionTable funcTable[] =

     {

       { FUNCTION_NPP_NEWSTREAM, "npp_newstream" },

       { FUNCTION_NPP_WRITEREADY, "npp_writeready" },

       { FUNCTION_NPP_WRITE, "npp_write" },

       { FUNCTION_NPP_DESTROYSTREAM, "npp_destroystream" },

       { FUNCTION_NPP_WRITE_RPC, "npp_write_rpc" },

       { FUNCTION_NONE, nullptr }

     };

   int32_t i = 0;

   while(funcTable[i].funcName) {

     if (!strcmp(funcname, funcTable[i].funcName)) return funcTable[i].funcId;

     i++;

   }

   return FUNCTION_NONE;

 }

 static void

 DuplicateNPVariant(NPVariant& aDest, const NPVariant& aSrc)

 {

   if (NPVARIANT_IS_STRING(aSrc)) {

     NPString src = NPVARIANT_TO_STRING(aSrc);

     char* buf = new char[src.UTF8Length];

     strncpy(buf, src.UTF8Characters, src.UTF8Length);

     STRINGN_TO_NPVARIANT(buf, src.UTF8Length, aDest);

   }

   else if (NPVARIANT_IS_OBJECT(aSrc)) {

     NPObject* obj =

       NPN_RetainObject(NPVARIANT_TO_OBJECT(aSrc));

     OBJECT_TO_NPVARIANT(obj, aDest);

   }

   else {

     aDest = aSrc;

   }

 }

 void

 drawAsyncBitmapColor(InstanceData* instanceData)

 {

   NPP npp = instanceData->npp;

   uint32_t *pixelData = (uint32_t*)instanceData->backBuffer->bitmap.data;

   uint32_t rgba = instanceData->scriptableObject->drawColor;

   unsigned char subpixels[4];

   subpixels[0] = rgba & 0xFF;

   subpixels[1] = (rgba & 0xFF00) >> 8;

   subpixels[2] = (rgba & 0xFF0000) >> 16;

   subpixels[3] = (rgba & 0xFF000000) >> 24;

   subpixels[0] = uint8_t(float(subpixels[3] * subpixels[0]) / 0xFF);

   subpixels[1] = uint8_t(float(subpixels[3] * subpixels[1]) / 0xFF);

   subpixels[2] = uint8_t(float(subpixels[3] * subpixels[2]) / 0xFF);

   uint32_t premultiplied;

   memcpy(&premultiplied, subpixels, sizeof(premultiplied));

   for (uint32_t* lastPixel = pixelData + instanceData->backBuffer->size.width * instanceData->backBuffer->size.height;

 	pixelData < lastPixel;

 	++pixelData) {

     *pixelData = premultiplied;

   }

   NPN_SetCurrentAsyncSurface(npp, instanceData->backBuffer, nullptr);

   NPAsyncSurface *oldFront = instanceData->frontBuffer;

   instanceData->frontBuffer = instanceData->backBuffer;

   instanceData->backBuffer = oldFront;

 }

 static bool bug813906(NPP npp, const char* const function, const char* const url, const char* const frame)

 {

   NPObject *windowObj = nullptr;

   NPError err = NPN_GetValue(npp, NPNVWindowNPObject, &windowObj);

   if (err != NPERR_NO_ERROR) {

     return false;

   }

   NPVariant result;

   bool res = NPN_Invoke(npp, windowObj, NPN_GetStringIdentifier(function), nullptr, 0, &result);

   NPN_ReleaseObject(windowObj);

   if (!res) {

     return false;

   }

   NPN_ReleaseVariantValue(&result);

   err = NPN_GetURL(npp, url, frame);

   if (err != NPERR_NO_ERROR) {

     err = NPN_GetURL(npp, "about:blank", frame);

     return false;

   }

   return true;

 }

 //

 // function signatures

 //

 NPObject* scriptableAllocate(NPP npp, NPClass* aClass);

 void scriptableDeallocate(NPObject* npobj);

 void scriptableInvalidate(NPObject* npobj);

 bool scriptableHasMethod(NPObject* npobj, NPIdentifier name);

 bool scriptableInvoke(NPObject* npobj, NPIdentifier name, const NPVariant* args, uint32_t argCount, NPVariant* result);

 bool scriptableInvokeDefault(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 bool scriptableHasProperty(NPObject* npobj, NPIdentifier name);

 bool scriptableGetProperty(NPObject* npobj, NPIdentifier name, NPVariant* result);

 bool scriptableSetProperty(NPObject* npobj, NPIdentifier name, const NPVariant* value);

 bool scriptableRemoveProperty(NPObject* npobj, NPIdentifier name);

 bool scriptableEnumerate(NPObject* npobj, NPIdentifier** identifier, uint32_t* count);

 bool scriptableConstruct(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);

 //

 // npapi plugin functions

 //

 #ifdef XP_UNIX

 NP_EXPORT(char*)

 NP_GetPluginVersion()

 {

   return sPluginVersion;

 }

 #endif

 extern const char *sMimeDescription;

 #if defined(XP_UNIX)

 NP_EXPORT(const char*) NP_GetMIMEDescription()

 #elif defined(XP_WIN)

 const char* NP_GetMIMEDescription()

 #endif

 {

   return sMimeDescription;

 }

 #ifdef XP_UNIX

 NP_EXPORT(NPError)

 NP_GetValue(void* future, NPPVariable aVariable, void* aValue) {

   switch (aVariable) {

     case NPPVpluginNameString:

       *((const char**)aValue) = sPluginName;

       break;

     case NPPVpluginDescriptionString:

       *((const char**)aValue) = sPluginDescription;

       break;

     default:

       return NPERR_INVALID_PARAM;

       break;

   }

   return NPERR_NO_ERROR;

 }

 #endif

 static bool fillPluginFunctionTable(NPPluginFuncs* pFuncs)

 {

   // Check the size of the provided structure based on the offset of the

   // last member we need.

   if (pFuncs->size < (offsetof(NPPluginFuncs, getsiteswithdata) + sizeof(void*)))

     return false;

   pFuncs->newp = NPP_New;

   pFuncs->destroy = NPP_Destroy;

   pFuncs->setwindow = NPP_SetWindow;

   pFuncs->newstream = NPP_NewStream;

   pFuncs->destroystream = NPP_DestroyStream;

   pFuncs->asfile = NPP_StreamAsFile;

   pFuncs->writeready = NPP_WriteReady;

   pFuncs->write = NPP_Write;

   pFuncs->print = NPP_Print;

   pFuncs->event = NPP_HandleEvent;

   pFuncs->urlnotify = NPP_URLNotify;

   pFuncs->getvalue = NPP_GetValue;

   pFuncs->setvalue = NPP_SetValue;

   pFuncs->urlredirectnotify = NPP_URLRedirectNotify;

   pFuncs->clearsitedata = NPP_ClearSiteData;

   pFuncs->getsiteswithdata = NPP_GetSitesWithData;

   return true;

 }

 #if defined(XP_MACOSX)

 NP_EXPORT(NPError) NP_Initialize(NPNetscapeFuncs* bFuncs)

 #elif defined(XP_WIN)

 NPError OSCALL NP_Initialize(NPNetscapeFuncs* bFuncs)

 #elif defined(XP_UNIX)

 NP_EXPORT(NPError) NP_Initialize(NPNetscapeFuncs* bFuncs, NPPluginFuncs* pFuncs)

 #endif

 {

   sBrowserFuncs = bFuncs;

   initializeIdentifiers();

   for (unsigned int i = 0; i < ARRAY_LENGTH(sPluginPropertyValues); i++) {

     VOID_TO_NPVARIANT(sPluginPropertyValues[i]);

   }

   memset(&sNPClass, 0, sizeof(NPClass));

   sNPClass.structVersion =  NP_CLASS_STRUCT_VERSION;

   sNPClass.allocate =       (NPAllocateFunctionPtr)scriptableAllocate;

   sNPClass.deallocate =     (NPDeallocateFunctionPtr)scriptableDeallocate;

   sNPClass.invalidate =     (NPInvalidateFunctionPtr)scriptableInvalidate;

   sNPClass.hasMethod =      (NPHasMethodFunctionPtr)scriptableHasMethod;

   sNPClass.invoke =         (NPInvokeFunctionPtr)scriptableInvoke;

   sNPClass.invokeDefault =  (NPInvokeDefaultFunctionPtr)scriptableInvokeDefault;

   sNPClass.hasProperty =    (NPHasPropertyFunctionPtr)scriptableHasProperty;

   sNPClass.getProperty =    (NPGetPropertyFunctionPtr)scriptableGetProperty;

   sNPClass.setProperty =    (NPSetPropertyFunctionPtr)scriptableSetProperty;

   sNPClass.removeProperty = (NPRemovePropertyFunctionPtr)scriptableRemoveProperty;

   sNPClass.enumerate =      (NPEnumerationFunctionPtr)scriptableEnumerate;

   sNPClass.construct =      (NPConstructFunctionPtr)scriptableConstruct;

 #if defined(XP_UNIX) && !defined(XP_MACOSX)

   if (!fillPluginFunctionTable(pFuncs)) {

     return NPERR_INVALID_FUNCTABLE_ERROR;

   }

 #endif

   return NPERR_NO_ERROR;

 }

 #if defined(XP_MACOSX)

 NP_EXPORT(NPError) NP_GetEntryPoints(NPPluginFuncs* pFuncs)

 #elif defined(XP_WIN)

 NPError OSCALL NP_GetEntryPoints(NPPluginFuncs* pFuncs)

 #endif

 #if defined(XP_MACOSX) || defined(XP_WIN)

 {

   if (!fillPluginFunctionTable(pFuncs)) {

     return NPERR_INVALID_FUNCTABLE_ERROR;

   }

   return NPERR_NO_ERROR;

 }

 #endif

 #if defined(XP_UNIX)

 NP_EXPORT(NPError) NP_Shutdown()

 #elif defined(XP_WIN)

 NPError OSCALL NP_Shutdown()

 #endif

 {

   clearIdentifiers();

   for (unsigned int i = 0; i < ARRAY_LENGTH(sPluginPropertyValues); i++) {

     NPN_ReleaseVariantValue(&sPluginPropertyValues[i]);

   }

   return NPERR_NO_ERROR;

 }

 NPError

 NPP_New(NPMIMEType pluginType, NPP instance, uint16_t mode, int16_t argc, char* argn[], char* argv[], NPSavedData* saved)

 {

   // Make sure our pdata field is nullptr at this point. If it isn't, that

   // probably means the browser gave us uninitialized memory.

   if (instance->pdata) {

     printf("NPP_New called with non-NULL NPP->pdata pointer!\n");

     return NPERR_GENERIC_ERROR;

   }

   // Make sure we can render this plugin

   NPBool browserSupportsWindowless = false;

   NPN_GetValue(instance, NPNVSupportsWindowless, &browserSupportsWindowless);

   if (!browserSupportsWindowless && !pluginSupportsWindowMode()) {

     printf("Windowless mode not supported by the browser, windowed mode not supported by the plugin!\n");

     return NPERR_GENERIC_ERROR;

   }

   // set up our our instance data

   InstanceData* instanceData = new InstanceData;

   if (!instanceData)

     return NPERR_OUT_OF_MEMORY_ERROR;

   instanceData->npp = instance;

   instanceData->streamMode = NP_ASFILEONLY;

   instanceData->testFunction = FUNCTION_NONE;

   instanceData->functionToFail = FUNCTION_NONE;

   instanceData->failureCode = 0;

   instanceData->callOnDestroy = nullptr;

   instanceData->streamChunkSize = 1024;

   instanceData->streamBuf = nullptr;

   instanceData->streamBufSize = 0;

   instanceData->fileBuf = nullptr;

   instanceData->fileBufSize = 0;

   instanceData->throwOnNextInvoke = false;

   instanceData->runScriptOnPaint = false;

   instanceData->dontTouchElement = false;

   instanceData->testrange = nullptr;

   instanceData->hasWidget = false;

   instanceData->npnNewStream = false;

   instanceData->invalidateDuringPaint = false;

   instanceData->slowPaint = false;

   instanceData->writeCount = 0;

   instanceData->writeReadyCount = 0;

   memset(&instanceData->window, 0, sizeof(instanceData->window));

   instanceData->crashOnDestroy = false;

   instanceData->cleanupWidget = true; // only used by nptest_gtk

   instanceData->topLevelWindowActivationState = ACTIVATION_STATE_UNKNOWN;

   instanceData->topLevelWindowActivationEventCount = 0;

   instanceData->focusState = ACTIVATION_STATE_UNKNOWN;

   instanceData->focusEventCount = 0;

   instanceData->eventModel = 0;

   instanceData->closeStream = false;

   instanceData->wantsAllStreams = false;

   instanceData->asyncDrawing = AD_NONE;

   instanceData->frontBuffer = nullptr;

   instanceData->backBuffer = nullptr;

   instanceData->mouseUpEventCount = 0;

   instanceData->bugMode = -1;

   instance->pdata = instanceData;

   TestNPObject* scriptableObject = (TestNPObject*)NPN_CreateObject(instance, &sNPClass);

   if (!scriptableObject) {

     printf("NPN_CreateObject failed to create an object, can't create a plugin instance\n");

     free(instanceData);

     return NPERR_GENERIC_ERROR;

   }

   scriptableObject->npp = instance;

   scriptableObject->drawMode = DM_DEFAULT;

   scriptableObject->drawColor = 0;

   instanceData->scriptableObject = scriptableObject;

   instanceData->instanceCountWatchGeneration = sCurrentInstanceCountWatchGeneration;

   if (NP_FULL == mode) {

     instanceData->streamMode = NP_SEEK;

     instanceData->frame = "testframe";

     addRange(instanceData, "100,100");

   }

   bool requestWindow = false;

   // handle extra params

   for (int i = 0; i < argc; i++) {

     if (strcmp(argn[i], "drawmode") == 0) {

       if (strcmp(argv[i], "solid") == 0)

         scriptableObject->drawMode = DM_SOLID_COLOR;

     }

     else if (strcmp(argn[i], "color") == 0) {

       scriptableObject->drawColor = parseHexColor(argv[i], strlen(argv[i]));

     }

     else if (strcmp(argn[i], "wmode") == 0) {

       if (strcmp(argv[i], "window") == 0) {

         requestWindow = true;

       }

     }

     else if (strcmp(argn[i], "asyncmodel") == 0) {

       if (strcmp(argv[i], "bitmap") == 0) {

         if (pluginSupportsAsyncBitmapDrawing()) {

           instanceData->asyncDrawing = AD_BITMAP;

         }

       }

       if (strcmp(argv[i], "dxgi") == 0) {

         if (pluginSupportsAsyncDXGIDrawing()) {

           instanceData->asyncDrawing = AD_DXGI;

         }

       }

     }

     if (strcmp(argn[i], "streammode") == 0) {

       if (strcmp(argv[i], "normal") == 0) {

         instanceData->streamMode = NP_NORMAL;

       }

       else if ((strcmp(argv[i], "asfile") == 0) &&

                 strlen(argv[i]) == strlen("asfile")) {

         instanceData->streamMode = NP_ASFILE;

       }

       else if (strcmp(argv[i], "asfileonly") == 0) {

         instanceData->streamMode = NP_ASFILEONLY;

       }

       else if (strcmp(argv[i], "seek") == 0) {

         instanceData->streamMode = NP_SEEK;

       }

     }

     if (strcmp(argn[i], "streamchunksize") == 0) {

       instanceData->streamChunkSize = atoi(argv[i]);

     }

     if (strcmp(argn[i], "failurecode") == 0) {

       instanceData->failureCode = atoi(argv[i]);

     }

     if (strcmp(argn[i], "functiontofail") == 0) {

       instanceData->functionToFail = getFuncFromString(argv[i]);

     }

     if (strcmp(argn[i], "geturl") == 0) {

       instanceData->testUrl = argv[i];

       instanceData->testFunction = FUNCTION_NPP_GETURL;

     }

     if (strcmp(argn[i], "posturl") == 0) {

       instanceData->testUrl = argv[i];

       instanceData->testFunction = FUNCTION_NPP_POSTURL;

     }

     if (strcmp(argn[i], "geturlnotify") == 0) {

       instanceData->testUrl = argv[i];

       instanceData->testFunction = FUNCTION_NPP_GETURLNOTIFY;

     }

     if (strcmp(argn[i], "postmode") == 0) {

       if (strcmp(argv[i], "frame") == 0) {

         instanceData->postMode = POSTMODE_FRAME;

       }

       else if (strcmp(argv[i], "stream") == 0) {

         instanceData->postMode = POSTMODE_STREAM;

       }

     }

     if (strcmp(argn[i], "frame") == 0) {

       instanceData->frame = argv[i];

     }

     if (strcmp(argn[i], "range") == 0) {

       string range = argv[i];

       size_t semicolon = range.find(';');

       while (semicolon != string::npos) {

         addRange(instanceData, range.substr(0, semicolon).c_str());

         if (semicolon == range.length()) {

           range = "";

           break;

         }

         range = range.substr(semicolon + 1);

         semicolon = range.find(';');

       }

       if (range.length()) addRange(instanceData, range.c_str());

     }

     if (strcmp(argn[i], "newstream") == 0 &&

         strcmp(argv[i], "true") == 0) {

       instanceData->npnNewStream = true;

     }

     if (strcmp(argn[i], "newcrash") == 0) {

       IntentionalCrash();

     }

     if (strcmp(argn[i], "paintscript") == 0) {

       instanceData->runScriptOnPaint = true;

     }

     if (strcmp(argn[i], "donttouchelement") == 0) {

       instanceData->dontTouchElement = true;

     }

     // "cleanupwidget" is only used with nptest_gtk, defaulting to true.  It

     // indicates whether the plugin should destroy its window in response to

     // NPP_Destroy (or let the platform destroy the widget when the parent

     // window gets destroyed).

     if (strcmp(argn[i], "cleanupwidget") == 0 &&

         strcmp(argv[i], "false") == 0) {

       instanceData->cleanupWidget = false;

     }

     if (!strcmp(argn[i], "closestream")) {

       instanceData->closeStream = true;

     }

     if (strcmp(argn[i], "bugmode") == 0) {

       instanceData->bugMode = atoi(argv[i]);

     }

     // Try to emulate java's codebase handling: Use the last seen codebase

     // value, regardless of whether it is in attributes or params.

     if (strcasecmp(argn[i], "codebase") == 0) {

       instanceData->javaCodebase = argv[i];

     }

   }

   if (!browserSupportsWindowless || !pluginSupportsWindowlessMode()) {

     requestWindow = true;

   } else if (!pluginSupportsWindowMode()) {

     requestWindow = false;

   }

   if (requestWindow) {

     instanceData->hasWidget = true;

   } else {

     // NPPVpluginWindowBool should default to true, so we may as well

     // test that by not setting it in the window case

     NPN_SetValue(instance, NPPVpluginWindowBool, (void*)false);

   }

   if (scriptableObject->drawMode == DM_SOLID_COLOR &&

       (scriptableObject->drawColor & 0xFF000000) != 0xFF000000) {

     NPN_SetValue(instance, NPPVpluginTransparentBool, (void*)true);

   }

   if (instanceData->asyncDrawing == AD_BITMAP) {

     NPBool supportsAsyncBitmap = false;

     if ((NPN_GetValue(instance, NPNVsupportsAsyncBitmapSurfaceBool, &supportsAsyncBitmap) == NPERR_NO_ERROR) &&

         supportsAsyncBitmap) {

       NPN_SetValue(instance, NPPVpluginDrawingModel, (void*)NPDrawingModelAsyncBitmapSurface);

     } else {

       instanceData->asyncDrawing = AD_NONE;

     }

   }

 #ifdef XP_WIN

   else if (instanceData->asyncDrawing == AD_DXGI) {

     NPBool supportsAsyncDXGI = false;

     if ((NPN_GetValue(instance, NPNVsupportsAsyncWindowsDXGISurfaceBool, &supportsAsyncDXGI) == NPERR_NO_ERROR) &&

         supportsAsyncDXGI) {

       NPN_SetValue(instance, NPPVpluginDrawingModel, (void*)NPDrawingModelAsyncWindowsDXGISurface);

     } else {

       instanceData->asyncDrawing = AD_NONE;

     }

   }

 #endif

   instanceData->lastReportedPrivateModeState = false;

   instanceData->lastMouseX = instanceData->lastMouseY = -1;

   instanceData->widthAtLastPaint = -1;

   instanceData->paintCount = 0;

   // do platform-specific initialization

   NPError err = pluginInstanceInit(instanceData);

   if (err != NPERR_NO_ERROR) {

     NPN_ReleaseObject(scriptableObject);

     free(instanceData);

     return err;

   }

   NPVariant variantTrue;

   BOOLEAN_TO_NPVARIANT(true, variantTrue);

   NPObject* o = nullptr;

   // Set a property on NPNVPluginElementNPObject, unless the consumer explicitly

   // opted out of this behavior.

   if (!instanceData->dontTouchElement) {

     err = NPN_GetValue(instance, NPNVPluginElementNPObject, &o);

     if (err == NPERR_NO_ERROR) {

       NPN_SetProperty(instance, o,

                       NPN_GetStringIdentifier("pluginFoundElement"), &variantTrue);

       NPN_ReleaseObject(o);

       o = nullptr;

     }

   }

   // Set a property on NPNVWindowNPObject

   err = NPN_GetValue(instance, NPNVWindowNPObject, &o);

   if (err == NPERR_NO_ERROR) {

     NPN_SetProperty(instance, o,

                     NPN_GetStringIdentifier("pluginFoundWindow"), &variantTrue);

     NPN_ReleaseObject(o);

     o = nullptr;

   }

   ++sInstanceCount;

   if (instanceData->testFunction == FUNCTION_NPP_GETURL) {

     NPError err = NPN_GetURL(instance, instanceData->testUrl.c_str(), nullptr);

     if (err != NPERR_NO_ERROR) {

       instanceData->err << "NPN_GetURL returned " << err;

     }

   }

   else if (instanceData->testFunction == FUNCTION_NPP_GETURLNOTIFY) {

     NPError err = NPN_GetURLNotify(instance, instanceData->testUrl.c_str(),

                                    nullptr, static_cast<void*>(&kNotifyData));

     if (err != NPERR_NO_ERROR) {

       instanceData->err << "NPN_GetURLNotify returned " << err;

     }

   }

   if ((instanceData->bugMode == 813906) && instanceData->frame.length()) {

     bug813906(instance, "f", "browser.xul", instanceData->frame.c_str());

   }

   return NPERR_NO_ERROR;

 }

 NPError

 NPP_Destroy(NPP instance, NPSavedData** save)

 {

   printf("NPP_Destroy\n");

   InstanceData* instanceData = (InstanceData*)(instance->pdata);

   if (instanceData->crashOnDestroy)

     IntentionalCrash();

   if (instanceData->callOnDestroy) {

     NPVariant result;

     NPN_InvokeDefault(instance, instanceData->callOnDestroy, nullptr, 0, &result);

     NPN_ReleaseVariantValue(&result);

     NPN_ReleaseObject(instanceData->callOnDestroy);

   }

   if (instanceData->streamBuf) {

     free(instanceData->streamBuf);

   }

   if (instanceData->fileBuf) {

     free(instanceData->fileBuf);

   }

   TestRange* currentrange = instanceData->testrange;

   TestRange* nextrange;

   while (currentrange != nullptr) {

     nextrange = reinterpret_cast<TestRange*>(currentrange->next);

     delete currentrange;

     currentrange = nextrange;

   }

   if (instanceData->frontBuffer) {

     NPN_SetCurrentAsyncSurface(instance, nullptr, nullptr);

     NPN_FinalizeAsyncSurface(instance, instanceData->frontBuffer);

     NPN_MemFree(instanceData->frontBuffer);

   }

   if (instanceData->backBuffer) {

     NPN_FinalizeAsyncSurface(instance, instanceData->backBuffer);

     NPN_MemFree(instanceData->backBuffer);

   }

   pluginInstanceShutdown(instanceData);

   NPN_ReleaseObject(instanceData->scriptableObject);

   if (sCurrentInstanceCountWatchGeneration == instanceData->instanceCountWatchGeneration) {

     --sInstanceCount;

   }

   delete instanceData;

   return NPERR_NO_ERROR;

 }

 NPError

 NPP_SetWindow(NPP instance, NPWindow* window)

 {

   InstanceData* instanceData = (InstanceData*)(instance->pdata);

   if (instanceData->scriptableObject->drawMode == DM_DEFAULT &&

       (instanceData->window.width != window->width ||

        instanceData->window.height != window->height)) {

     NPRect r;

     r.left = r.top = 0;

     r.right = window->width;

     r.bottom = window->height;

     NPN_InvalidateRect(instance, &r);

   }

   void* oldWindow = instanceData->window.window;

   pluginDoSetWindow(instanceData, window);

   if (instanceData->hasWidget && oldWindow != instanceData->window.window) {

     pluginWidgetInit(instanceData, oldWindow);

   }

   if (instanceData->asyncDrawing == AD_BITMAP) {

     if (instanceData->frontBuffer &&

 	instanceData->frontBuffer->size.width >= 0 &&

        (uint32_t)instanceData->frontBuffer->size.width == window->width &&

        instanceData ->frontBuffer->size.height >= 0 &&

        (uint32_t)instanceData->frontBuffer->size.height == window->height) {

           return NPERR_NO_ERROR;

     }

     if (instanceData->frontBuffer) {

       NPN_FinalizeAsyncSurface(instance, instanceData->frontBuffer);

       NPN_MemFree(instanceData->frontBuffer);

     }

     if (instanceData->backBuffer) {

       NPN_FinalizeAsyncSurface(instance, instanceData->backBuffer);

       NPN_MemFree(instanceData->backBuffer);

     }

     instanceData->frontBuffer = (NPAsyncSurface*)NPN_MemAlloc(sizeof(NPAsyncSurface));

     instanceData->backBuffer = (NPAsyncSurface*)NPN_MemAlloc(sizeof(NPAsyncSurface));

     NPSize size;

     size.width = window->width;

     size.height = window->height;

     memcpy(instanceData->backBuffer, instanceData->frontBuffer, sizeof(NPAsyncSurface));

     NPN_InitAsyncSurface(instance, &size, NPImageFormatBGRA32, nullptr, instanceData->frontBuffer);

     NPN_InitAsyncSurface(instance, &size, NPImageFormatBGRA32, nullptr, instanceData->backBuffer);

     drawAsyncBitmapColor(instanceData);

   }

   return NPERR_NO_ERROR;

 }

 NPError

 NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16_t* stype)

 {

   printf("NPP_NewStream\n");

   InstanceData* instanceData = (InstanceData*)(instance->pdata);

   if (instanceData->functionToFail == FUNCTION_NPP_NEWSTREAM &&

       instanceData->failureCode) {

     instanceData->err << SUCCESS_STRING;

     if (instanceData->frame.length() > 0) {

       sendBufferToFrame(instance);

     }

     return instanceData->failureCode;

   }

   if (stream->notifyData &&

       static_cast<URLNotifyData*>(stream->notifyData) != &kNotifyData) {

     // stream from streamTest

     *stype = NP_NORMAL;

   }

   else {

     *stype = instanceData->streamMode;

     if (instanceData->streamBufSize) {

       free(instanceData->streamBuf);

       instanceData->streamBufSize = 0;

       if (instanceData->testFunction == FUNCTION_NPP_POSTURL &&

           instanceData->postMode == POSTMODE_STREAM) {

         instanceData->testFunction = FUNCTION_NPP_GETURL;

       }

       else {

         // We already got a stream and didn't ask for another one.

         instanceData->err << "Received unexpected multiple NPP_NewStream";

       }

     }

   }

   return NPERR_NO_ERROR;

 }

 NPError

 NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason)

 {

   printf("NPP_DestroyStream\n");

   InstanceData* instanceData = (InstanceData*)(instance->pdata);

   if (instanceData->functionToFail == FUNCTION_NPP_NEWSTREAM) {

     instanceData->err << "NPP_DestroyStream called";

   }

   if (instanceData->functionToFail == FUNCTION_NPP_WRITE) {

     if (instanceData->writeCount == 1)

       instanceData->err << SUCCESS_STRING;

     else

       instanceData->err << "NPP_Write called after returning -1";

   }

   if (instanceData->functionToFail == FUNCTION_NPP_DESTROYSTREAM &&

       instanceData->failureCode) {

     instanceData->err << SUCCESS_STRING;

     if (instanceData->frame.length() > 0) {

       sendBufferToFrame(instance);

     }

     return instanceData->failureCode;

   }

   URLNotifyData* nd = static_cast<URLNotifyData*>(stream->notifyData);

   if (nd && nd != &kNotifyData) {

     return NPERR_NO_ERROR;

   }

   if (instanceData->streamMode == NP_ASFILE &&

       instanceData->functionToFail == FUNCTION_NONE) {

     if (!instanceData->streamBuf) {

       instanceData->err <<

         "Error: no data written with NPP_Write";

       return NPERR_GENERIC_ERROR;

     }

     if (!instanceData->fileBuf) {

       instanceData->err <<

         "Error: no data written with NPP_StreamAsFile";

       return NPERR_GENERIC_ERROR;

     }

     if (strcmp(reinterpret_cast<char *>(instanceData->fileBuf),

                reinterpret_cast<char *>(instanceData->streamBuf))) {

       instanceData->err <<

         "Error: data passed to NPP_Write and NPP_StreamAsFile differed";

     }

   }

   if (instanceData->frame.length() > 0 &&

       instanceData->testFunction != FUNCTION_NPP_GETURLNOTIFY &&

       instanceData->testFunction != FUNCTION_NPP_POSTURL) {

     sendBufferToFrame(instance);

   }

   if (instanceData->testFunction == FUNCTION_NPP_POSTURL) {

     NPError err = NPN_PostURL(instance, instanceData->testUrl.c_str(),

       instanceData->postMode == POSTMODE_FRAME ? instanceData->frame.c_str() : nullptr,

       instanceData->streamBufSize,

       reinterpret_cast<char *>(instanceData->streamBuf), false);

     if (err != NPERR_NO_ERROR)

       instanceData->err << "Error: NPN_PostURL returned error value " << err;

   }

   return NPERR_NO_ERROR;

 }

 int32_t

 NPP_WriteReady(NPP instance, NPStream* stream)

 {

   printf("NPP_WriteReady\n");

   InstanceData* instanceData = (InstanceData*)(instance->pdata);

   instanceData->writeReadyCount++;

   if (instanceData->functionToFail == FUNCTION_NPP_NEWSTREAM) {

     instanceData->err << "NPP_WriteReady called";

   }

   // temporarily disabled per bug 519870

   //if (instanceData->writeReadyCount == 1) {

   //  return 0;

   //}

   return instanceData->streamChunkSize;

 }

 int32_t

 NPP_Write(NPP instance, NPStream* stream, int32_t offset, int32_t len, void* buffer)

 {

   InstanceData* instanceData = (InstanceData*)(instance->pdata);

   instanceData->writeCount++;

   // temporarily disabled per bug 519870

   //if (instanceData->writeReadyCount == 1) {

   //  instanceData->err << "NPP_Write called even though NPP_WriteReady " <<

   //      "returned 0";

   //}

   if (instanceData->functionToFail == FUNCTION_NPP_WRITE_RPC) {

     // Make an RPC call and pretend to consume the data

     NPObject* windowObject = nullptr;

     NPN_GetValue(instance, NPNVWindowNPObject, &windowObject);

     if (windowObject)

       NPN_ReleaseObject(windowObject);

     return len;

   }

   if (instanceData->functionToFail == FUNCTION_NPP_NEWSTREAM) {

     instanceData->err << "NPP_Write called";

   }

   if (instanceData->functionToFail == FUNCTION_NPP_WRITE) {

     return -1;

   }

   URLNotifyData* nd = static_cast<URLNotifyData*>(stream->notifyData);

   if (nd && nd->writeCallback) {

     NPVariant args[1];

     STRINGN_TO_NPVARIANT(stream->url, strlen(stream->url), args[0]);

     NPVariant result;

     NPN_InvokeDefault(instance, nd->writeCallback, args, 1, &result);

     NPN_ReleaseVariantValue(&result);

   }

   if (nd && nd != &kNotifyData) {

     uint32_t newsize = nd->size + len;

     nd->data = (char*) realloc(nd->data, newsize);

     memcpy(nd->data + nd->size, buffer, len);

     nd->size = newsize;

     return len;

   }

   if (instanceData->closeStream) {

     instanceData->closeStream = false;

     if (instanceData->testrange != nullptr) {

       NPN_RequestRead(stream, instanceData->testrange);

     }

     NPN_DestroyStream(instance, stream, NPRES_USER_BREAK);

   }

   else if (instanceData->streamMode == NP_SEEK &&

       stream->end != 0 &&

       stream->end == ((uint32_t)instanceData->streamBufSize + len)) {

     // If the complete stream has been written, and we're doing a seek test,

     // then call NPN_RequestRead.

     // prevent recursion

     instanceData->streamMode = NP_NORMAL;

     if (instanceData->testrange != nullptr) {

       NPError err = NPN_RequestRead(stream, instanceData->testrange);

       if (err != NPERR_NO_ERROR) {

         instanceData->err << "NPN_RequestRead returned error %d" << err;

       }

       printf("called NPN_RequestRead, return %d\n", err);

     }

   }

   char* streamBuf = reinterpret_cast<char *>(instanceData->streamBuf);

   if (offset + len <= instanceData->streamBufSize) {

     if (memcmp(buffer, streamBuf + offset, len)) {

       instanceData->err <<

           "Error: data written from NPN_RequestRead doesn't match";

     }

     else {

       printf("data matches!\n");

     }

     TestRange* range = instanceData->testrange;

     bool stillwaiting = false;

     while(range != nullptr) {

       if (offset == range->offset &&

         (uint32_t)len == range->length) {

         range->waiting = false;

       }

       if (range->waiting) stillwaiting = true;

       range = reinterpret_cast<TestRange*>(range->next);

     }

     if (!stillwaiting) {

       NPError err = NPN_DestroyStream(instance, stream, NPRES_DONE);

       if (err != NPERR_NO_ERROR) {

         instanceData->err << "Error: NPN_DestroyStream returned " << err;

       }

     }

   }

   else {

     if (instanceData->streamBufSize == 0) {

       instanceData->streamBuf = malloc(len + 1);

       streamBuf = reinterpret_cast<char *>(instanceData->streamBuf);

     }

     else {

       instanceData->streamBuf =

         realloc(reinterpret_cast<char *>(instanceData->streamBuf),

         instanceData->streamBufSize + len + 1);

       streamBuf = reinterpret_cast<char *>(instanceData->streamBuf);

     }

     memcpy(streamBuf + instanceData->streamBufSize, buffer, len);

     instanceData->streamBufSize = instanceData->streamBufSize + len;

     streamBuf[instanceData->streamBufSize] = '\0';

   }

   return len;

 }

 void

 NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname)

 {

   printf("NPP_StreamAsFile, file=%s\n", fname);

   size_t size;

   InstanceData* instanceData = (InstanceData*)(instance->pdata);

   if (instanceData->functionToFail == FUNCTION_NPP_NEWSTREAM ||

       instanceData->functionToFail == FUNCTION_NPP_WRITE) {

     instanceData->err << "NPP_StreamAsFile called";

   }

   if (!fname)

     return;

   FILE *file = fopen(fname, "rb");

   if (file) {

     fseek(file, 0, SEEK_END);

     size = ftell(file);

     instanceData->fileBuf = malloc((int32_t)size + 1);

     char* buf = reinterpret_cast<char *>(instanceData->fileBuf);

     fseek(file, 0, SEEK_SET);

     size_t sizeRead = fread(instanceData->fileBuf, 1, size, file);

     if (sizeRead != size) {

       printf("Unable to read data from file\n");

       instanceData->err << "Unable to read data from file " << fname;

     }

     fclose(file);

     buf[size] = '\0';

     instanceData->fileBufSize = (int32_t)size;

   }

   else {

     printf("Unable to open file\n");

     instanceData->err << "Unable to open file " << fname;

   }

 }

 void

 NPP_Print(NPP instance, NPPrint* platformPrint)

 {

 }

 int16_t

 NPP_HandleEvent(NPP instance, void* event)

 {

   InstanceData* instanceData = (InstanceData*)(instance->pdata);

   return pluginHandleEvent(instanceData, event);

 }

 void

 NPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)

 {

   InstanceData* instanceData = (InstanceData*)(instance->pdata);

   URLNotifyData* ndata = static_cast<URLNotifyData*>(notifyData);

   printf("NPP_URLNotify called\n");

   if (&kNotifyData == ndata) {

     if (instanceData->frame.length() > 0) {

       sendBufferToFrame(instance);

     }

   }

   else if (!strcmp(ndata->cookie, "dynamic-cookie")) {

     if (ndata->notifyCallback) {

       NPVariant args[2];

       INT32_TO_NPVARIANT(reason, args[0]);

       if (ndata->data) {

         STRINGN_TO_NPVARIANT(ndata->data, ndata->size, args[1]);

       }

       else {

         STRINGN_TO_NPVARIANT("", 0, args[1]);

       }

       NPVariant result;

       NPN_InvokeDefault(instance, ndata->notifyCallback, args, 2, &result);

       NPN_ReleaseVariantValue(&result);

     }

     // clean up the URLNotifyData

     if (ndata->writeCallback) {

       NPN_ReleaseObject(ndata->writeCallback);

     }

     if (ndata->notifyCallback) {

       NPN_ReleaseObject(ndata->notifyCallback);

     }

     if (ndata->redirectCallback) {

       NPN_ReleaseObject(ndata->redirectCallback);

     }

     free(ndata->data);

     delete ndata;

   }

   else {

     printf("ERROR! NPP_URLNotify called with wrong cookie\n");

     instanceData->err << "Error: NPP_URLNotify called with wrong cookie";

   }

 }

 NPError

 NPP_GetValue(NPP instance, NPPVariable variable, void* value)

 {

   InstanceData* instanceData = (InstanceData*)instance->pdata;

   if (variable == NPPVpluginScriptableNPObject) {

     NPObject* object = instanceData->scriptableObject;

     NPN_RetainObject(object);

     *((NPObject**)value) = object;

     return NPERR_NO_ERROR;

   }

   if (variable == NPPVpluginNeedsXEmbed) {

     // Only relevant for X plugins

     // use 4-byte writes like some plugins may do

     *(uint32_t*)value = instanceData->hasWidget;

     return NPERR_NO_ERROR;

   }

   if (variable == NPPVpluginWantsAllNetworkStreams) {

     // use 4-byte writes like some plugins may do

     *(uint32_t*)value = instanceData->wantsAllStreams;

     return NPERR_NO_ERROR;

   }

   return NPERR_GENERIC_ERROR;

 }

 NPError

 NPP_SetValue(NPP instance, NPNVariable variable, void* value)

 {

   if (variable == NPNVprivateModeBool) {

     InstanceData* instanceData = (InstanceData*)(instance->pdata);

     instanceData->lastReportedPrivateModeState = bool(*static_cast<NPBool*>(value));

     return NPERR_NO_ERROR;

   }

   return NPERR_GENERIC_ERROR;

 }

 void

 NPP_URLRedirectNotify(NPP instance, const char* url, int32_t status, void* notifyData)

 {

   if (notifyData) {

     URLNotifyData* nd = static_cast<URLNotifyData*>(notifyData);

     if (nd->redirectCallback) {

       NPVariant args[2];

       STRINGN_TO_NPVARIANT(url, strlen(url), args[0]);

       INT32_TO_NPVARIANT(status, args[1]);

       NPVariant result;

       NPN_InvokeDefault(instance, nd->redirectCallback, args, 2, &result);

       NPN_ReleaseVariantValue(&result);

     }

     NPN_URLRedirectResponse(instance, notifyData, nd->allowRedirects);

     return;

   }

   NPN_URLRedirectResponse(instance, notifyData, true);

 }

 NPError

 NPP_ClearSiteData(const char* site, uint64_t flags, uint64_t maxAge)

 {

   if (!sSitesWithData)

     return NPERR_NO_ERROR;

   // Error condition: no support for clear-by-age

   if (!sClearByAgeSupported && maxAge != uint64_t(int64_t(-1)))

     return NPERR_TIME_RANGE_NOT_SUPPORTED;

   // Iterate over list and remove matches

   list<siteData>::iterator iter = sSitesWithData->begin();

   list<siteData>::iterator end = sSitesWithData->end();

   while (iter != end) {

     const siteData& data = *iter;

     list<siteData>::iterator next = iter;

     ++next;

     if ((!site || data.site.compare(site) == 0) &&

         (flags == NP_CLEAR_ALL || data.flags & flags) &&

         data.age <= maxAge) {

       sSitesWithData->erase(iter);

     }

     iter = next;

   }

   return NPERR_NO_ERROR;

 }

 char**

 NPP_GetSitesWithData()

 {

   int length = 0;

   char** result;

   if (sSitesWithData)

     length = sSitesWithData->size();

   // Allocate the maximum possible size the list could be.

   result = static_cast<char**>(NPN_MemAlloc((length + 1) * sizeof(char*)));

   result[length] = nullptr;

   if (length == 0) {

     // Represent the no site data case as an array of length 1 with a nullptr

     // entry.

     return result;

   }

   // Iterate the list of stored data, and build a list of strings.

   list<string> sites;

   {

     list<siteData>::iterator iter = sSitesWithData->begin();

     list<siteData>::iterator end = sSitesWithData->end();

     for (; iter != end; ++iter) {

       const siteData& data = *iter;

       sites.push_back(data.site);

     }

   }

   // Remove duplicate strings.

   sites.sort();

   sites.unique();

   // Add strings to the result array, and null terminate.

   {

     int i = 0;

     list<string>::iterator iter = sites.begin();

     list<string>::iterator end = sites.end();

     for (; iter != end; ++iter, ++i) {

       const string& site = *iter;

       result[i] = static_cast<char*>(NPN_MemAlloc(site.length() + 1));

       memcpy(result[i], site.c_str(), site.length() + 1);

     }

   }

   result[sites.size()] = nullptr;

   return result;

 }

 //

 // npapi browser functions

 //

 bool

 NPN_SetProperty(NPP instance, NPObject* obj, NPIdentifier propertyName, const NPVariant* value)

 {

   return sBrowserFuncs->setproperty(instance, obj, propertyName, value);

 }

 NPIdentifier

 NPN_GetIntIdentifier(int32_t intid)

 {

   return sBrowserFuncs->getintidentifier(intid);

 }

 NPIdentifier

 NPN_GetStringIdentifier(const NPUTF8* name)

 {

   return sBrowserFuncs->getstringidentifier(name);

 }

 void

 NPN_GetStringIdentifiers(const NPUTF8 **names, int32_t nameCount, NPIdentifier *identifiers)

 {

   return sBrowserFuncs->getstringidentifiers(names, nameCount, identifiers);

 }

 bool

 NPN_IdentifierIsString(NPIdentifier identifier)

 {

   return sBrowserFuncs->identifierisstring(identifier);

 }

 NPUTF8*

 NPN_UTF8FromIdentifier(NPIdentifier identifier)

 {

   return sBrowserFuncs->utf8fromidentifier(identifier);

 }

 int32_t

 NPN_IntFromIdentifier(NPIdentifier identifier)

 {

   return sBrowserFuncs->intfromidentifier(identifier);

 }

 NPError

 NPN_GetValue(NPP instance, NPNVariable variable, void* value)

 {

   return sBrowserFuncs->getvalue(instance, variable, value);

 }

 NPError

 NPN_SetValue(NPP instance, NPPVariable variable, void* value)

 {

   return sBrowserFuncs->setvalue(instance, variable, value);

 }

 void

 NPN_InvalidateRect(NPP instance, NPRect* rect)

 {

   sBrowserFuncs->invalidaterect(instance, rect);

 }

 bool

 NPN_HasProperty(NPP instance, NPObject* obj, NPIdentifier propertyName)

 {

   return sBrowserFuncs->hasproperty(instance, obj, propertyName);

 }

 NPObject*

 NPN_CreateObject(NPP instance, NPClass* aClass)

 {

   return sBrowserFuncs->createobject(instance, aClass);

 }

 bool

 NPN_Invoke(NPP npp, NPObject* obj, NPIdentifier methodName, const NPVariant *args, uint32_t argCount, NPVariant *result)

 {

   return sBrowserFuncs->invoke(npp, obj, methodName, args, argCount, result);

 }

 bool

 NPN_InvokeDefault(NPP npp, NPObject* obj, const NPVariant *args, uint32_t argCount, NPVariant *result)

 {

   return sBrowserFuncs->invokeDefault(npp, obj, args, argCount, result);

 }

 bool

 NPN_Construct(NPP npp, NPObject* npobj, const NPVariant* args,

 	      uint32_t argCount, NPVariant* result)

 {

   return sBrowserFuncs->construct(npp, npobj, args, argCount, result);

 }

 const char*

 NPN_UserAgent(NPP instance)

 {

   return sBrowserFuncs->uagent(instance);

 }

 NPObject*

 NPN_RetainObject(NPObject* obj)

 {

   return sBrowserFuncs->retainobject(obj);

 }

 void

 NPN_ReleaseObject(NPObject* obj)

 {

   return sBrowserFuncs->releaseobject(obj);

 }

 void*

 NPN_MemAlloc(uint32_t size)

 {

   return sBrowserFuncs->memalloc(size);

 }

 char*

 NPN_StrDup(const char* str)

 {

   return strcpy((char*)sBrowserFuncs->memalloc(strlen(str) + 1), str);

 }

 void

 NPN_MemFree(void* ptr)

 {

   return sBrowserFuncs->memfree(ptr);

 }

 uint32_t

 NPN_ScheduleTimer(NPP instance, uint32_t interval, NPBool repeat, void (*timerFunc)(NPP npp, uint32_t timerID))

 {

   return sBrowserFuncs->scheduletimer(instance, interval, repeat, timerFunc);

 }

 void

 NPN_UnscheduleTimer(NPP instance, uint32_t timerID)

 {

   return sBrowserFuncs->unscheduletimer(instance, timerID);

 }

 void

 NPN_ReleaseVariantValue(NPVariant *variant)

 {

   return sBrowserFuncs->releasevariantvalue(variant);

 }

 NPError

 NPN_GetURLNotify(NPP instance, const char* url, const char* target, void* notifyData)

 {

   return sBrowserFuncs->geturlnotify(instance, url, target, notifyData);

 }

 NPError

 NPN_GetURL(NPP instance, const char* url, const char* target)

 {

   return sBrowserFuncs->geturl(instance, url, target);

 }

 NPError

 NPN_RequestRead(NPStream* stream, NPByteRange* rangeList)

 {

   return sBrowserFuncs->requestread(stream, rangeList);

 }

 NPError

 NPN_PostURLNotify(NPP instance, const char* url,

                   const char* target, uint32_t len,

                   const char* buf, NPBool file, void* notifyData)

 {

   return sBrowserFuncs->posturlnotify(instance, url, target, len, buf, file, notifyData);

 }

 NPError

 NPN_PostURL(NPP instance, const char *url,

                     const char *target, uint32_t len,

                     const char *buf, NPBool file)

 {

   return sBrowserFuncs->posturl(instance, url, target, len, buf, file);

 }

 NPError

 NPN_DestroyStream(NPP instance, NPStream* stream, NPError reason)

 {

   return sBrowserFuncs->destroystream(instance, stream, reason);

 }

 NPError

 NPN_NewStream(NPP instance,

               NPMIMEType  type,

               const char* target,

               NPStream**  stream)

 {

   return sBrowserFuncs->newstream(instance, type, target, stream);

 }

 int32_t

 NPN_Write(NPP instance,

           NPStream* stream,

           int32_t len,

           void* buf)

 {

   return sBrowserFuncs->write(instance, stream, len, buf);

 }

 bool

 NPN_Enumerate(NPP instance,

               NPObject *npobj,

               NPIdentifier **identifiers,

               uint32_t *identifierCount)

 {

   return sBrowserFuncs->enumerate(instance, npobj, identifiers,

       identifierCount);

 }

 bool

 NPN_GetProperty(NPP instance,

                 NPObject *npobj,

                 NPIdentifier propertyName,

                 NPVariant *result)

 {

   return sBrowserFuncs->getproperty(instance, npobj, propertyName, result);

 }

 bool

 NPN_Evaluate(NPP instance, NPObject *npobj, NPString *script, NPVariant *result)

 {

   return sBrowserFuncs->evaluate(instance, npobj, script, result);

 }

 void

 NPN_SetException(NPObject *npobj, const NPUTF8 *message)

 {

   return sBrowserFuncs->setexception(npobj, message);

 }

 NPBool

 NPN_ConvertPoint(NPP instance, double sourceX, double sourceY, NPCoordinateSpace sourceSpace, double *destX, double *destY, NPCoordinateSpace destSpace)

 {

   return sBrowserFuncs->convertpoint(instance, sourceX, sourceY, sourceSpace, destX, destY, destSpace);

 }

 NPError

 NPN_SetValueForURL(NPP instance, NPNURLVariable variable, const char *url, const char *value, uint32_t len)

 {

   return sBrowserFuncs->setvalueforurl(instance, variable, url, value, len);

 }

 NPError

 NPN_GetValueForURL(NPP instance, NPNURLVariable variable, const char *url, char **value, uint32_t *len)

 {

   return sBrowserFuncs->getvalueforurl(instance, variable, url, value, len);

 }

 NPError

 NPN_GetAuthenticationInfo(NPP instance,

                           const char *protocol,

                           const char *host, int32_t port,

                           const char *scheme,

                           const char *realm,

                           char **username, uint32_t *ulen,

                           char **password,

                           uint32_t *plen)

 {

   return sBrowserFuncs->getauthenticationinfo(instance, protocol, host, port, scheme, realm,

       username, ulen, password, plen);

 }

 void

 NPN_PluginThreadAsyncCall(NPP plugin, void (*func)(void*), void* userdata)

 {

   return sBrowserFuncs->pluginthreadasynccall(plugin, func, userdata);

 }

 void

 NPN_URLRedirectResponse(NPP instance, void* notifyData, NPBool allow)

 {

   return sBrowserFuncs->urlredirectresponse(instance, notifyData, allow);

 }

 NPError

 NPN_InitAsyncSurface(NPP instance, NPSize *size, NPImageFormat format,

                      void *initData, NPAsyncSurface *surface)

 {

   return sBrowserFuncs->initasyncsurface(instance, size, format, initData, surface);

 }

 NPError

 NPN_FinalizeAsyncSurface(NPP instance, NPAsyncSurface *surface)

 {

   return sBrowserFuncs->finalizeasyncsurface(instance, surface);

 }

 void

 NPN_SetCurrentAsyncSurface(NPP instance, NPAsyncSurface *surface, NPRect *changed)

 {

   sBrowserFuncs->setcurrentasyncsurface(instance, surface, changed);

 }

 //

 // npruntime object functions

 //

 NPObject*

 scriptableAllocate(NPP npp, NPClass* aClass)

 {

   TestNPObject* object = (TestNPObject*)NPN_MemAlloc(sizeof(TestNPObject));

   if (!object)

     return nullptr;

   memset(object, 0, sizeof(TestNPObject));

   return object;

 }

 void

 scriptableDeallocate(NPObject* npobj)

 {

   NPN_MemFree(npobj);

 }

 void

 scriptableInvalidate(NPObject* npobj)

 {

 }

 bool

 scriptableHasMethod(NPObject* npobj, NPIdentifier name)

 {

   for (int i = 0; i < int(ARRAY_LENGTH(sPluginMethodIdentifiers)); i++) {

     if (name == sPluginMethodIdentifiers[i])

       return true;

   }

   return false;

 }

 bool

 scriptableInvoke(NPObject* npobj, NPIdentifier name, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   InstanceData* id = static_cast<InstanceData*>(npp->pdata);

   if (id->throwOnNextInvoke) {

     id->throwOnNextInvoke = false;

     if (argCount == 0) {

       NPN_SetException(npobj, nullptr);

     }

     else {

       for (uint32_t i = 0; i < argCount; i++) {

         const NPString* argstr = &NPVARIANT_TO_STRING(args[i]);

         NPN_SetException(npobj, argstr->UTF8Characters);

       }

     }

     return false;

   }

   for (int i = 0; i < int(ARRAY_LENGTH(sPluginMethodIdentifiers)); i++) {

     if (name == sPluginMethodIdentifiers[i])

       return sPluginMethodFunctions[i](npobj, args, argCount, result);

   }

   return false;

 }

 bool

 scriptableInvokeDefault(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   InstanceData* id = static_cast<InstanceData*>(npp->pdata);

   if (id->throwOnNextInvoke) {

     id->throwOnNextInvoke = false;

     if (argCount == 0) {

       NPN_SetException(npobj, nullptr);

     }

     else {

       for (uint32_t i = 0; i < argCount; i++) {

         const NPString* argstr = &NPVARIANT_TO_STRING(args[i]);

         NPN_SetException(npobj, argstr->UTF8Characters);

       }

     }

     return false;

   }

   ostringstream value;

   value << sPluginName;

   for (uint32_t i = 0; i < argCount; i++) {

     switch(args[i].type) {

       case NPVariantType_Int32:

         value << ";" << NPVARIANT_TO_INT32(args[i]);

         break;

       case NPVariantType_String: {

         const NPString* argstr = &NPVARIANT_TO_STRING(args[i]);

         value << ";" << argstr->UTF8Characters;

         break;

       }

       case NPVariantType_Void:

         value << ";undefined";

         break;

       case NPVariantType_Null:

         value << ";null";

         break;

       default:

         value << ";other";

     }

   }

   char *outval = NPN_StrDup(value.str().c_str());

   STRINGZ_TO_NPVARIANT(outval, *result);

   return true;

 }

 bool

 scriptableHasProperty(NPObject* npobj, NPIdentifier name)

 {

   if (NPN_IdentifierIsString(name)) {

     NPUTF8 *asUTF8 = NPN_UTF8FromIdentifier(name);

     if (NPN_GetStringIdentifier(asUTF8) != name) {

       Crash();

     }

     NPN_MemFree(asUTF8);

   }

   else {

     if (NPN_GetIntIdentifier(NPN_IntFromIdentifier(name)) != name) {

       Crash();

     }

   }

   for (int i = 0; i < int(ARRAY_LENGTH(sPluginPropertyIdentifiers)); i++) {

     if (name == sPluginPropertyIdentifiers[i]) {

       return true;

     }

   }

   return false;

 }

 bool

 scriptableGetProperty(NPObject* npobj, NPIdentifier name, NPVariant* result)

 {

   for (int i = 0; i < int(ARRAY_LENGTH(sPluginPropertyIdentifiers)); i++) {

     if (name == sPluginPropertyIdentifiers[i]) {

       DuplicateNPVariant(*result, sPluginPropertyValues[i]);

       return true;

     }

   }

   return false;

 }

 bool

 scriptableSetProperty(NPObject* npobj, NPIdentifier name, const NPVariant* value)

 {

   for (int i = 0; i < int(ARRAY_LENGTH(sPluginPropertyIdentifiers)); i++) {

     if (name == sPluginPropertyIdentifiers[i]) {

       NPN_ReleaseVariantValue(&sPluginPropertyValues[i]);

       DuplicateNPVariant(sPluginPropertyValues[i], *value);

       return true;

     }

   }

   return false;

 }

 bool

 scriptableRemoveProperty(NPObject* npobj, NPIdentifier name)

 {

   for (int i = 0; i < int(ARRAY_LENGTH(sPluginPropertyIdentifiers)); i++) {

     if (name == sPluginPropertyIdentifiers[i]) {

       NPN_ReleaseVariantValue(&sPluginPropertyValues[i]);

       return true;

     }

   }

   return false;

 }

 bool

 scriptableEnumerate(NPObject* npobj, NPIdentifier** identifier, uint32_t* count)

 {

   const int bufsize = sizeof(NPIdentifier) * ARRAY_LENGTH(sPluginMethodIdentifierNames);

   NPIdentifier* ids = (NPIdentifier*) NPN_MemAlloc(bufsize);

   if (!ids)

     return false;

   memcpy(ids, sPluginMethodIdentifiers, bufsize);

   *identifier = ids;

   *count = ARRAY_LENGTH(sPluginMethodIdentifierNames);

   return true;

 }

 bool

 scriptableConstruct(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   return false;

 }

 //

 // test functions

 //

 static bool

 compareVariants(NPP instance, const NPVariant* var1, const NPVariant* var2)

 {

   bool success = true;

   InstanceData* id = static_cast<InstanceData*>(instance->pdata);

   if (var1->type != var2->type) {

     id->err << "Variant types don't match; got " << var1->type <<

         " expected " << var2->type;

     return false;

   }

   switch (var1->type) {

     case NPVariantType_Int32: {

         int32_t result = NPVARIANT_TO_INT32(*var1);

         int32_t expected = NPVARIANT_TO_INT32(*var2);

         if (result != expected) {

           id->err << "Variant values don't match; got " << result <<

               " expected " << expected;

           success = false;

         }

         break;

       }

     case NPVariantType_Double: {

         double result = NPVARIANT_TO_DOUBLE(*var1);

         double expected = NPVARIANT_TO_DOUBLE(*var2);

         if (result != expected) {

           id->err << "Variant values don't match (double)";

           success = false;

         }

         break;

       }

     case NPVariantType_Void: {

         // void values are always equivalent

         break;

       }

     case NPVariantType_Null: {

         // null values are always equivalent

         break;

       }

     case NPVariantType_Bool: {

         bool result = NPVARIANT_TO_BOOLEAN(*var1);

         bool expected = NPVARIANT_TO_BOOLEAN(*var2);

         if (result != expected) {

           id->err << "Variant values don't match (bool)";

           success = false;

         }

         break;

       }

     case NPVariantType_String: {

         const NPString* result = &NPVARIANT_TO_STRING(*var1);

         const NPString* expected = &NPVARIANT_TO_STRING(*var2);

         if (strcmp(result->UTF8Characters, expected->UTF8Characters) ||

             strlen(result->UTF8Characters) != strlen(expected->UTF8Characters)) {

           id->err << "Variant values don't match; got " <<

               result->UTF8Characters << " expected " <<

               expected->UTF8Characters;

           success = false;

         }

         break;

       }

     case NPVariantType_Object: {

         uint32_t i, identifierCount = 0;

         NPIdentifier* identifiers;

         NPObject* result = NPVARIANT_TO_OBJECT(*var1);

         NPObject* expected = NPVARIANT_TO_OBJECT(*var2);

         bool enumerate_result = NPN_Enumerate(instance, expected,

             &identifiers, &identifierCount);

         if (!enumerate_result) {

           id->err << "NPN_Enumerate failed";

           success = false;

         }

         for (i = 0; i < identifierCount; i++) {

           NPVariant resultVariant, expectedVariant;

           if (!NPN_GetProperty(instance, expected, identifiers[i],

               &expectedVariant)) {

             id->err << "NPN_GetProperty returned false";

             success = false;

           }

           else {

             if (!NPN_HasProperty(instance, result, identifiers[i])) {

               id->err << "NPN_HasProperty returned false";

               success = false;

             }

             else {

               if (!NPN_GetProperty(instance, result, identifiers[i],

               &resultVariant)) {

                 id->err << "NPN_GetProperty 2 returned false";

                 success = false;

               }

               else {

                 success = compareVariants(instance, &resultVariant,

                     &expectedVariant);

                 NPN_ReleaseVariantValue(&expectedVariant);

               }

             }

             NPN_ReleaseVariantValue(&resultVariant);

           }

         }

         break;

       }

     default:

       id->err << "Unknown variant type";

       success = false;

   }

   return success;

 }

 static bool

 throwExceptionNextInvoke(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   InstanceData* id = static_cast<InstanceData*>(npp->pdata);

   id->throwOnNextInvoke = true;

   BOOLEAN_TO_NPVARIANT(true, *result);

   return true;

 }

 static bool

 npnInvokeDefaultTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   bool success = false;

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   NPObject* windowObject;

   NPN_GetValue(npp, NPNVWindowNPObject, &windowObject);

   if (!windowObject)

     return false;

   NPIdentifier objectIdentifier = variantToIdentifier(args[0]);

   if (!objectIdentifier)

     return false;

   NPVariant objectVariant;

   if (NPN_GetProperty(npp, windowObject, objectIdentifier,

       &objectVariant)) {

     if (NPVARIANT_IS_OBJECT(objectVariant)) {

       NPObject* selfObject = NPVARIANT_TO_OBJECT(objectVariant);

       if (selfObject != nullptr) {

         NPVariant resultVariant;

         if (NPN_InvokeDefault(npp, selfObject, argCount > 1 ? &args[1] : nullptr,

             argCount - 1, &resultVariant)) {

           *result = resultVariant;

           success = true;

         }

       }

     }

     NPN_ReleaseVariantValue(&objectVariant);

   }

   NPN_ReleaseObject(windowObject);

   return success;

 }

 static bool

 npnInvokeTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   InstanceData* id = static_cast<InstanceData*>(npp->pdata);

   id->err.str("");

   if (argCount < 2)

     return false;

   NPIdentifier function = variantToIdentifier(args[0]);

   if (!function)

     return false;

   NPObject* windowObject;

   NPN_GetValue(npp, NPNVWindowNPObject, &windowObject);

   if (!windowObject)

     return false;

   NPVariant invokeResult;

   bool invokeReturn = NPN_Invoke(npp, windowObject, function,

       argCount > 2 ? &args[2] : nullptr, argCount - 2, &invokeResult);

   bool compareResult = compareVariants(npp, &invokeResult, &args[1]);

   NPN_ReleaseObject(windowObject);

   NPN_ReleaseVariantValue(&invokeResult);

   BOOLEAN_TO_NPVARIANT(invokeReturn && compareResult, *result);

   return true;

 }

 static bool

 npnEvaluateTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   bool success = false;

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   if (argCount != 1)

     return false;

   if (!NPVARIANT_IS_STRING(args[0]))

     return false;

   NPObject* windowObject;

   NPN_GetValue(npp, NPNVWindowNPObject, &windowObject);

   if (!windowObject)

     return false;

   success = NPN_Evaluate(npp, windowObject, (NPString*)&NPVARIANT_TO_STRING(args[0]), result);

   NPN_ReleaseObject(windowObject);

   return success;

 }

 static bool

 setUndefinedValueTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   NPError err = NPN_SetValue(npp, (NPPVariable)0x0, 0x0);

   BOOLEAN_TO_NPVARIANT((err == NPERR_NO_ERROR), *result);

   return true;

 }

 static bool

 identifierToStringTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 1)

     return false;

   NPIdentifier identifier = variantToIdentifier(args[0]);

   if (!identifier)

     return false;

   NPUTF8* utf8String = NPN_UTF8FromIdentifier(identifier);

   if (!utf8String)

     return false;

   STRINGZ_TO_NPVARIANT(utf8String, *result);

   return true;

 }

 static bool

 queryPrivateModeState(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 0)

     return false;

   NPBool pms = false;

   NPN_GetValue(static_cast<TestNPObject*>(npobj)->npp, NPNVprivateModeBool, &pms);

   BOOLEAN_TO_NPVARIANT(pms, *result);

   return true;

 }

 static bool

 lastReportedPrivateModeState(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 0)

     return false;

   InstanceData* id = static_cast<InstanceData*>(static_cast<TestNPObject*>(npobj)->npp->pdata);

   BOOLEAN_TO_NPVARIANT(id->lastReportedPrivateModeState, *result);

   return true;

 }

 static bool

 hasWidget(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 0)

     return false;

   InstanceData* id = static_cast<InstanceData*>(static_cast<TestNPObject*>(npobj)->npp->pdata);

   BOOLEAN_TO_NPVARIANT(id->hasWidget, *result);

   return true;

 }

 static bool

 getEdge(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 1)

     return false;

   if (!NPVARIANT_IS_INT32(args[0]))

     return false;

   int32_t edge = NPVARIANT_TO_INT32(args[0]);

   if (edge < EDGE_LEFT || edge > EDGE_BOTTOM)

     return false;

   InstanceData* id = static_cast<InstanceData*>(static_cast<TestNPObject*>(npobj)->npp->pdata);

   int32_t r = pluginGetEdge(id, RectEdge(edge));

   if (r == NPTEST_INT32_ERROR)

     return false;

   INT32_TO_NPVARIANT(r, *result);

   return true;

 }

 static bool

 getClipRegionRectCount(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 0)

     return false;

   InstanceData* id = static_cast<InstanceData*>(static_cast<TestNPObject*>(npobj)->npp->pdata);

   int32_t r = pluginGetClipRegionRectCount(id);

   if (r == NPTEST_INT32_ERROR)

     return false;

   INT32_TO_NPVARIANT(r, *result);

   return true;

 }

 static bool

 getClipRegionRectEdge(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 2)

     return false;

   if (!NPVARIANT_IS_INT32(args[0]))

     return false;

   int32_t rectIndex = NPVARIANT_TO_INT32(args[0]);

   if (rectIndex < 0)

     return false;

   if (!NPVARIANT_IS_INT32(args[1]))

     return false;

   int32_t edge = NPVARIANT_TO_INT32(args[1]);

   if (edge < EDGE_LEFT || edge > EDGE_BOTTOM)

     return false;

   InstanceData* id = static_cast<InstanceData*>(static_cast<TestNPObject*>(npobj)->npp->pdata);

   int32_t r = pluginGetClipRegionRectEdge(id, rectIndex, RectEdge(edge));

   if (r == NPTEST_INT32_ERROR)

     return false;

   INT32_TO_NPVARIANT(r, *result);

   return true;

 }

 static bool

 startWatchingInstanceCount(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 0)

     return false;

   if (sWatchingInstanceCount)

     return false;

   sWatchingInstanceCount = true;

   sInstanceCount = 0;

   ++sCurrentInstanceCountWatchGeneration;

   return true;

 }

 static bool

 getInstanceCount(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 0)

     return false;

   if (!sWatchingInstanceCount)

     return false;

   INT32_TO_NPVARIANT(sInstanceCount, *result);

   return true;

 }

 static bool

 stopWatchingInstanceCount(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 0)

     return false;

   if (!sWatchingInstanceCount)

     return false;

   sWatchingInstanceCount = false;

   return true;

 }

 static bool

 getLastMouseX(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 0)

     return false;

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   InstanceData* id = static_cast<InstanceData*>(npp->pdata);

   INT32_TO_NPVARIANT(id->lastMouseX, *result);

   return true;

 }

 static bool

 getLastMouseY(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 0)

     return false;

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   InstanceData* id = static_cast<InstanceData*>(npp->pdata);

   INT32_TO_NPVARIANT(id->lastMouseY, *result);

   return true;

 }

 static bool

 getPaintCount(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 0)

     return false;

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   InstanceData* id = static_cast<InstanceData*>(npp->pdata);

   INT32_TO_NPVARIANT(id->paintCount, *result);

   return true;

 }

 static bool

 getWidthAtLastPaint(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 0)

     return false;

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   InstanceData* id = static_cast<InstanceData*>(npp->pdata);

   INT32_TO_NPVARIANT(id->widthAtLastPaint, *result);

   return true;

 }

 static bool

 setInvalidateDuringPaint(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 1)

     return false;

   if (!NPVARIANT_IS_BOOLEAN(args[0]))

     return false;

   bool doInvalidate = NPVARIANT_TO_BOOLEAN(args[0]);

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   InstanceData* id = static_cast<InstanceData*>(npp->pdata);

   id->invalidateDuringPaint = doInvalidate;

   return true;

 }

 static bool

 setSlowPaint(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 1)

     return false;

   if (!NPVARIANT_IS_BOOLEAN(args[0]))

     return false;

   bool slow = NPVARIANT_TO_BOOLEAN(args[0]);

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   InstanceData* id = static_cast<InstanceData*>(npp->pdata);

   id->slowPaint = slow;

   return true;

 }

 static bool

 getError(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 0)

     return false;

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   InstanceData* id = static_cast<InstanceData*>(npp->pdata);

   if (id->err.str().length() == 0) {

     char *outval = NPN_StrDup(SUCCESS_STRING);

     STRINGZ_TO_NPVARIANT(outval, *result);

   } else {

     char *outval = NPN_StrDup(id->err.str().c_str());

     STRINGZ_TO_NPVARIANT(outval, *result);

   }

   return true;

 }

 static bool

 doInternalConsistencyCheck(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 0)

     return false;

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   InstanceData* id = static_cast<InstanceData*>(npp->pdata);

   string error;

   pluginDoInternalConsistencyCheck(id, error);

   NPUTF8* utf8String = (NPUTF8*)NPN_MemAlloc(error.length() + 1);

   if (!utf8String) {

     return false;

   }

   memcpy(utf8String, error.c_str(), error.length() + 1);

   STRINGZ_TO_NPVARIANT(utf8String, *result);

   return true;

 }

 static bool

 convertPointX(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result)

 {

   if (argCount != 4)

     return false;

   NPP npp = static_cast<TestNPObject*>(npobj)->npp;

   if (!NPVARIANT_IS_INT32(args[0]))

     return false;

   int32_t sourceSpace = NPVARIANT_TO_INT32(args[0]);

   if (!NPVARIANT_IS_INT32(args[1]))

     return false;

   double sourceX = static_cast<double>(NPVARIANT_TO_INT32(args[1]));

   if (!NPVARIANT_IS_INT32(args[2]))