/*
 * Copyright (C) 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. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "PluginTest.h"

#include "PluginObject.h"
#include <assert.h>
#include <string.h>

#if defined(XP_UNIX) || defined(ANDROID)
#include <unistd.h>
#endif

using namespace std;
extern NPNetscapeFuncs *browser;

static void (*shutdownFunction)();

PluginTest* PluginTest::create(NPP npp, const string& identifier)
{
    if (identifier.empty())
        return new PluginTest(npp, identifier);
        
    CreateTestFunction createTestFunction = createTestFunctions()[identifier];
    if (createTestFunction)
        return createTestFunction(npp, identifier);

    return 0;
}

PluginTest::PluginTest(NPP npp, const string& identifier)
    : m_npp(npp)
    , m_identifier(identifier)
{
    // Reset the shutdown function.
    shutdownFunction = 0;
}

PluginTest::~PluginTest()
{
}

void PluginTest::NP_Shutdown()
{
    if (shutdownFunction)
        shutdownFunction();
}

void PluginTest::registerNPShutdownFunction(void (*func)())
{
    assert(!shutdownFunction);
    shutdownFunction = func;
}

void PluginTest::indicateTestFailure()
{
    // This should really be an assert, but there's no way for the test framework
    // to know that the plug-in process crashed, so we'll just sleep for a while
    // to ensure that the test times out.
#if defined(XP_WIN)
    ::Sleep(100000);
#else
    sleep(1000);
#endif
}

NPError PluginTest::NPP_New(NPMIMEType pluginType, uint16_t mode, int16_t argc, char *argn[], char *argv[], NPSavedData *saved)
{
    return NPERR_NO_ERROR;
}

NPError PluginTest::NPP_Destroy(NPSavedData**)
{
    return NPERR_NO_ERROR;
}

NPError PluginTest::NPP_SetWindow(NPWindow*)
{
    return NPERR_NO_ERROR;
}

NPError PluginTest::NPP_NewStream(NPMIMEType type, NPStream* stream, NPBool seekable, uint16_t* stype)
{
    return NPERR_NO_ERROR;
}

NPError PluginTest::NPP_DestroyStream(NPStream *stream, NPReason reason)
{
    return NPERR_NO_ERROR;
}

int32_t PluginTest::NPP_WriteReady(NPStream*)
{
    return 4096;
}

int32_t PluginTest::NPP_Write(NPStream*, int32_t offset, int32_t len, void* buffer)
{
    return len;
}

int16_t PluginTest::NPP_HandleEvent(void*)
{
    return 0;
}

bool PluginTest::NPP_URLNotify(const char* url, NPReason, void* notifyData)
{
    // FIXME: Port the code from NPP_URLNotify in main.cpp over to always using
    // PluginTest, so we don't have to use a return value to indicate whether the "default" NPP_URLNotify implementation should be invoked.
    return false;
}

NPError PluginTest::NPP_GetValue(NPPVariable variable, void *value)
{
    // We don't know anything about plug-in values so just return NPERR_GENERIC_ERROR.
    return NPERR_GENERIC_ERROR;
}

NPError PluginTest::NPP_SetValue(NPNVariable, void *value)
{
    return NPERR_GENERIC_ERROR;
}

// NPN functions.

NPError PluginTest::NPN_GetURL(const char* url, const char* target)
{
    return browser->geturl(m_npp, url, target);
}

NPError PluginTest::NPN_GetURLNotify(const char *url, const char *target, void *notifyData)
{
    return browser->geturlnotify(m_npp, url, target, notifyData);
}

NPError PluginTest::NPN_GetValue(NPNVariable variable, void* value)
{
    return browser->getvalue(m_npp, variable, value);
}

void PluginTest::NPN_InvalidateRect(NPRect* invalidRect)
{
    browser->invalidaterect(m_npp, invalidRect);
}

bool PluginTest::NPN_Invoke(NPObject *npobj, NPIdentifier methodName, const NPVariant *args, uint32_t argCount, NPVariant *result)
{
    return browser->invoke(m_npp, npobj, methodName, args, argCount, result);
}

void* PluginTest::NPN_MemAlloc(uint32_t size)
{
    return browser->memalloc(size);
}

// NPRuntime NPN functions.

NPIdentifier PluginTest::NPN_GetStringIdentifier(const NPUTF8 *name)
{
    return browser->getstringidentifier(name);
}

NPIdentifier PluginTest::NPN_GetIntIdentifier(int32_t intid)
{
    return browser->getintidentifier(intid);
}

bool PluginTest::NPN_IdentifierIsString(NPIdentifier npIdentifier)
{
    return browser->identifierisstring(npIdentifier);
}

NPUTF8* PluginTest::NPN_UTF8FromIdentifier(NPIdentifier npIdentifier)
{
    return browser->utf8fromidentifier(npIdentifier);
}

int32_t PluginTest::NPN_IntFromIdentifier(NPIdentifier npIdentifier)
{
    return browser->intfromidentifier(npIdentifier);
}

NPObject* PluginTest::NPN_CreateObject(NPClass* npClass)
{
    return browser->createobject(m_npp, npClass);
}                                 

NPObject* PluginTest::NPN_RetainObject(NPObject* npObject)
{
    return browser->retainobject(npObject);
}

void PluginTest::NPN_ReleaseObject(NPObject* npObject)
{
    browser->releaseobject(npObject);
}

bool PluginTest::NPN_RemoveProperty(NPObject* npObject, NPIdentifier propertyName)
{
    return browser->removeproperty(m_npp, npObject, propertyName);
}

#ifdef XP_MACOSX
bool PluginTest::NPN_ConvertPoint(double sourceX, double sourceY, NPCoordinateSpace sourceSpace, double *destX, double *destY, NPCoordinateSpace destSpace)
{
    return browser->convertpoint(m_npp, sourceX, sourceY, sourceSpace, destX, destY, destSpace);
}
#endif

bool PluginTest::executeScript(const NPString* script, NPVariant* result)
{
    NPObject* windowScriptObject;
    browser->getvalue(m_npp, NPNVWindowNPObject, &windowScriptObject);

    return browser->evaluate(m_npp, windowScriptObject, const_cast<NPString*>(script), result);
}

void PluginTest::executeScript(const char* script)
{
    NPString npScript;
    npScript.UTF8Characters = script;
    npScript.UTF8Length = strlen(script);

    NPVariant browserResult;
    executeScript(&npScript, &browserResult);
    browser->releasevariantvalue(&browserResult);
}

void PluginTest::log(const char* format, ...)
{
    va_list args;
    va_start(args, format);
    pluginLogWithArguments(m_npp, format, args);
    va_end(args);
}

void PluginTest::waitUntilDone()
{
    executeScript("testRunner.waitUntilDone()");
}

void PluginTest::notifyDone()
{
    executeScript("testRunner.notifyDone()");
}

void PluginTest::registerCreateTestFunction(const string& identifier, CreateTestFunction createTestFunction)
{
    assert(!createTestFunctions().count(identifier));
 
    createTestFunctions()[identifier] = createTestFunction;
}

std::map<std::string, PluginTest::CreateTestFunction>& PluginTest::createTestFunctions()
{
    static std::map<std::string, CreateTestFunction> testFunctions;
    
    return testFunctions;
}