RetroZilla/modules/plugin/tools/sdk/samples/common/npp_gate.cpp
2015-10-20 23:03:22 -04:00

359 lines
9.6 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
////////////////////////////////////////////////////////////
//
// Implementation of plugin entry points (NPP_*)
//
#include "pluginbase.h"
// here the plugin creates a plugin instance object which
// will be associated with this newly created NPP instance and
// will do all the necessary job
NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc, char* argn[], char* argv[], NPSavedData* saved)
{
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
NPError rv = NPERR_NO_ERROR;
// create a new plugin instance object
// initialization will be done when the associated window is ready
nsPluginCreateData ds;
ds.instance = instance;
ds.type = pluginType;
ds.mode = mode;
ds.argc = argc;
ds.argn = argn;
ds.argv = argv;
ds.saved = saved;
nsPluginInstanceBase * plugin = NS_NewPluginInstance(&ds);
if(plugin == NULL)
return NPERR_OUT_OF_MEMORY_ERROR;
// associate the plugin instance object with NPP instance
instance->pdata = (void *)plugin;
return rv;
}
// here is the place to clean up and destroy the nsPluginInstance object
NPError NPP_Destroy (NPP instance, NPSavedData** save)
{
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
NPError rv = NPERR_NO_ERROR;
nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata;
if(plugin != NULL) {
plugin->shut();
NS_DestroyPluginInstance(plugin);
}
return rv;
}
// during this call we know when the plugin window is ready or
// is about to be destroyed so we can do some gui specific
// initialization and shutdown
NPError NPP_SetWindow (NPP instance, NPWindow* pNPWindow)
{
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
NPError rv = NPERR_NO_ERROR;
if(pNPWindow == NULL)
return NPERR_GENERIC_ERROR;
nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata;
if(plugin == NULL)
return NPERR_GENERIC_ERROR;
// window just created
if(!plugin->isInitialized() && (pNPWindow->window != NULL)) {
if(!plugin->init(pNPWindow)) {
NS_DestroyPluginInstance(plugin);
return NPERR_MODULE_LOAD_FAILED_ERROR;
}
}
// window goes away
if((pNPWindow->window == NULL) && plugin->isInitialized())
return plugin->SetWindow(pNPWindow);
// window resized?
if(plugin->isInitialized() && (pNPWindow->window != NULL))
return plugin->SetWindow(pNPWindow);
// this should not happen, nothing to do
if((pNPWindow->window == NULL) && !plugin->isInitialized())
return plugin->SetWindow(pNPWindow);
return rv;
}
NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype)
{
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata;
if(plugin == NULL)
return NPERR_GENERIC_ERROR;
NPError rv = plugin->NewStream(type, stream, seekable, stype);
return rv;
}
int32 NPP_WriteReady (NPP instance, NPStream *stream)
{
if(instance == NULL)
return 0x0fffffff;
nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata;
if(plugin == NULL)
return 0x0fffffff;
int32 rv = plugin->WriteReady(stream);
return rv;
}
int32 NPP_Write (NPP instance, NPStream *stream, int32 offset, int32 len, void *buffer)
{
if(instance == NULL)
return len;
nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata;
if(plugin == NULL)
return len;
int32 rv = plugin->Write(stream, offset, len, buffer);
return rv;
}
NPError NPP_DestroyStream (NPP instance, NPStream *stream, NPError reason)
{
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata;
if(plugin == NULL)
return NPERR_GENERIC_ERROR;
NPError rv = plugin->DestroyStream(stream, reason);
return rv;
}
void NPP_StreamAsFile (NPP instance, NPStream* stream, const char* fname)
{
if(instance == NULL)
return;
nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata;
if(plugin == NULL)
return;
plugin->StreamAsFile(stream, fname);
}
void NPP_Print (NPP instance, NPPrint* printInfo)
{
if(instance == NULL)
return;
nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata;
if(plugin == NULL)
return;
plugin->Print(printInfo);
}
void NPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
{
if(instance == NULL)
return;
nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata;
if(plugin == NULL)
return;
plugin->URLNotify(url, reason, notifyData);
}
NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value)
{
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata;
if(plugin == NULL)
return NPERR_GENERIC_ERROR;
NPError rv = plugin->GetValue(variable, value);
return rv;
}
NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value)
{
if(instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata;
if(plugin == NULL)
return NPERR_GENERIC_ERROR;
NPError rv = plugin->SetValue(variable, value);
return rv;
}
int16 NPP_HandleEvent(NPP instance, void* event)
{
if(instance == NULL)
return 0;
nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata;
if(plugin == NULL)
return 0;
uint16 rv = plugin->HandleEvent(event);
return rv;
}
#ifdef OJI
jref NPP_GetJavaClass (void)
{
return NULL;
}
#endif
/**************************************************/
/* */
/* Mac */
/* */
/**************************************************/
// Mac needs these wrappers, see npplat.h for more info
#ifdef XP_MAC
NPError Private_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc, char* argn[], char* argv[], NPSavedData* saved)
{
NPError rv = NPP_New(pluginType, instance, mode, argc, argn, argv, saved);
return rv;
}
NPError Private_Destroy(NPP instance, NPSavedData** save)
{
NPError rv = NPP_Destroy(instance, save);
return rv;
}
NPError Private_SetWindow(NPP instance, NPWindow* window)
{
NPError rv = NPP_SetWindow(instance, window);
return rv;
}
NPError Private_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype)
{
NPError rv = NPP_NewStream(instance, type, stream, seekable, stype);
return rv;
}
int32 Private_WriteReady(NPP instance, NPStream* stream)
{
int32 rv = NPP_WriteReady(instance, stream);
return rv;
}
int32 Private_Write(NPP instance, NPStream* stream, int32 offset, int32 len, void* buffer)
{
int32 rv = NPP_Write(instance, stream, offset, len, buffer);
return rv;
}
void Private_StreamAsFile(NPP instance, NPStream* stream, const char* fname)
{
NPP_StreamAsFile(instance, stream, fname);
}
NPError Private_DestroyStream(NPP instance, NPStream* stream, NPError reason)
{
NPError rv = NPP_DestroyStream(instance, stream, reason);
return rv;
}
int16 Private_HandleEvent(NPP instance, void* event)
{
int16 rv = NPP_HandleEvent(instance, event);
return rv;
}
void Private_Print(NPP instance, NPPrint* platformPrint)
{
NPP_Print(instance, platformPrint);
}
void Private_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
{
NPP_URLNotify(instance, url, reason, notifyData);
}
jref Private_GetJavaClass(void)
{
return NULL;
}
NPError Private_GetValue(NPP instance, NPPVariable variable, void *result)
{
NPError rv = NPP_GetValue(instance, variable, result);
return rv;
}
NPError Private_SetValue(NPP instance, NPNVariable variable, void *value)
{
NPError rv = NPP_SetValue(instance, variable, value);
return rv;
}
#endif //XP_MAC