/*

 * Copyright (C) 2005 Apple Computer, 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. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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.

 */

#if ENABLE(NETSCAPE_PLUGIN_API)

#import <WebKit/npapi.h>

#import "WebNetscapePluginView.h"

#import "WebKitLogging.h"

#import <WebCore/PluginMainThreadScheduler.h>

using namespace WebCore;

WebNetscapePluginView *pluginViewForInstance(NPP instance);

// general plug-in to browser functions

void* NPN_MemAlloc(uint32_t size)

{

    return malloc(size);

}

void NPN_MemFree(void* ptr)

{

    free(ptr);

}

uint32_t NPN_MemFlush(uint32_t size)

{

    LOG(Plugins, "NPN_MemFlush");

    return size;

}

void NPN_ReloadPlugins(NPBool reloadPages)

{

    LOG(Plugins, "NPN_ReloadPlugins");

}

NPError NPN_RequestRead(NPStream* stream, NPByteRange* rangeList)

{

    LOG(Plugins, "NPN_RequestRead");

    return NPERR_GENERIC_ERROR;

}

// instance-specific functions

// The plugin view is always the ndata of the instance. Sometimes, plug-ins will call an instance-specific function

// with a NULL instance. To workaround this, call the last plug-in view that made a call to a plug-in.

// Currently, the current plug-in view is only set before NPP_New in [WebNetscapePluginView start].

// This specifically works around Flash and Shockwave. When we call NPP_New, they call NPN_UserAgent with a NULL instance.

WebNetscapePluginView *pluginViewForInstance(NPP instance)

{

    if (instance && instance->ndata)

        return (WebNetscapePluginView *)instance->ndata;

    else

        return [WebNetscapePluginView currentPluginView];

}

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

{

    return [pluginViewForInstance(instance) getURLNotify:URL target:target notifyData:notifyData];

}

NPError NPN_GetURL(NPP instance, const char* URL, const char* target)

{

    return [pluginViewForInstance(instance) getURL:URL target:target];

}

NPError NPN_PostURLNotify(NPP instance, const char* URL, const char* target, uint32_t len, const char* buf, NPBool file, void* notifyData)

{

    return [pluginViewForInstance(instance) postURLNotify:URL target:target len:len buf:buf file:file notifyData:notifyData];

}

NPError NPN_PostURL(NPP instance, const char* URL, const char* target, uint32_t len, const char* buf, NPBool file)

{

    return [pluginViewForInstance(instance) postURL:URL target:target len:len buf:buf file:file];

}

NPError NPN_NewStream(NPP instance, NPMIMEType type, const char* target, NPStream** stream)

{

    return [pluginViewForInstance(instance) newStream:type target:target stream:stream];

}

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

{

    return [pluginViewForInstance(instance) write:stream len:len buffer:buffer];

}

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

{

    return [pluginViewForInstance(instance) destroyStream:stream reason:reason];

}

const char* NPN_UserAgent(NPP instance)

{

    return [pluginViewForInstance(instance) userAgent];

}

void NPN_Status(NPP instance, const char* message)

{

    [pluginViewForInstance(instance) status:message];

}

void NPN_InvalidateRect(NPP instance, NPRect *invalidRect)

{

    [pluginViewForInstance(instance) invalidateRect:invalidRect];

}

void NPN_InvalidateRegion(NPP instance, NPRegion invalidRegion)

{

    [pluginViewForInstance(instance) invalidateRegion:invalidRegion];

}

void NPN_ForceRedraw(NPP instance)

{

    [pluginViewForInstance(instance) forceRedraw];

}

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

{

    return [pluginViewForInstance(instance) getVariable:variable value:value];

}

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

{

    return [pluginViewForInstance(instance) setVariable:variable value:value];

}

// Unsupported functions

void* NPN_GetJavaEnv(void)

{

    LOG(Plugins, "NPN_GetJavaEnv");

    return NULL;

}

void* NPN_GetJavaPeer(NPP instance)

{

    LOG(Plugins, "NPN_GetJavaPeer");

    return NULL;

}

void NPN_PushPopupsEnabledState(NPP instance, NPBool enabled)

{

}

void NPN_PopPopupsEnabledState(NPP instance)

{

}

void NPN_PluginThreadAsyncCall(NPP instance, void (*func) (void *), void *userData)

{

    PluginMainThreadScheduler::scheduler().scheduleCall(instance, func, userData);

}

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

{

    return [pluginViewForInstance(instance) scheduleTimerWithInterval:interval repeat:repeat timerFunc:timerFunc];

}

void NPN_UnscheduleTimer(NPP instance, uint32_t timerID)

{

    [pluginViewForInstance(instance) unscheduleTimer:timerID];

}

NPError NPN_PopUpContextMenu(NPP instance, NPMenu *menu)

{

    return [pluginViewForInstance(instance) popUpContextMenu:menu];

}

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

{

    return [pluginViewForInstance(instance) getVariable:variable forURL:url value:value length:len];

}

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

{

    return [pluginViewForInstance(instance) setVariable:variable forURL:url value:value length: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 [pluginViewForInstance(instance) getAuthenticationInfoWithProtocol:protocol 

                                                                         host:host 

                                                                         port:port

                                                                       scheme:scheme

                                                                        realm:realm

                                                                     username:username usernameLength:ulen

                                                                     password:password passwordLength:plen];

}

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

{

    return [pluginViewForInstance(instance) convertFromX:sourceX andY:sourceY space:sourceSpace toX:destX andY:destY space:destSpace];

}

uint32_t WKN_CheckIfAllowedToLoadURL(NPP instance, const char* url, const char* frame, void (*callbackFunc)(NPP npp, uint32_t, NPBool, void*), void* context)

{

    return [pluginViewForInstance(instance) checkIfAllowedToLoadURL:url frame:frame callbackFunc:callbackFunc context:context];

}

void WKN_CancelCheckIfAllowedToLoadURL(NPP instance, uint32_t checkID)

{

    [pluginViewForInstance(instance) cancelCheckIfAllowedToLoadURL:checkID];

}

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

{

    return [pluginViewForInstance(instance) resolveURL:url forTarget:target];

}

#endif