gecko/modules/plugin/samples/npthread/windows/plugin.cpp

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/* -*- 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 ***** */
#include "windows.h"
#include "npupp.h"
#include "npapi.h"
#include "plugin.h"
#include "plugload.h"
#include "dbg.h"
extern NPNetscapeFuncs NPNFuncs;
NPNetscapeFuncs wrapperNPNFuncs;
NPPluginFuncs pluginNPPFuncs;
typedef NPError (__stdcall * NP_GETENTRYPOINTS)(NPPluginFuncs *);
typedef NPError (__stdcall * NP_INITIALIZE)(NPNetscapeFuncs *);
typedef NPError (__stdcall * NP_SHUTDOWN)(void);
NP_SHUTDOWN plugin_NP_Shutdown = NULL;
HINSTANCE pluginLibrary = NULL;
nsPluginThread::nsPluginThread(DWORD aP1) : CThread(),
mP1(aP1),
mP2(0),
mP3(0),
mP4(0),
mP5(0),
mP6(0),
mP7(0)
{
dbgOut1("nsPluginThread::nsPluginThread");
open(this);
}
nsPluginThread::~nsPluginThread()
{
dbgOut1("nsPluginThread::~nsPluginThread");
close(this);
}
BOOL nsPluginThread::init()
{
dbgOut1("nsPluginThread::init");
// scan plugins dir for available plugins to see if we have anything
// for the given mimetype
pluginLibrary = LoadRealPlugin((NPMIMEType)mP1);
if(!pluginLibrary)
return FALSE;
NP_GETENTRYPOINTS plugin_NP_GetEntryPoints = (NP_GETENTRYPOINTS)GetProcAddress(pluginLibrary, "NP_GetEntryPoints");
if(!plugin_NP_GetEntryPoints)
return FALSE;
NP_INITIALIZE plugin_NP_Initialize = (NP_INITIALIZE)GetProcAddress(pluginLibrary, "NP_Initialize");
if(!plugin_NP_Initialize)
return FALSE;
plugin_NP_Shutdown = (NP_SHUTDOWN)GetProcAddress(pluginLibrary, "NP_Shutdown");
if(!plugin_NP_Shutdown)
return FALSE;
// fill callbacks structs
memset(&pluginNPPFuncs, 0, sizeof(NPPluginFuncs));
pluginNPPFuncs.size = sizeof(NPPluginFuncs);
plugin_NP_GetEntryPoints(&pluginNPPFuncs);
// inform the plugin about our entry point it should call
memset((void *)&wrapperNPNFuncs, 0, sizeof(wrapperNPNFuncs));
wrapperNPNFuncs.size = sizeof(wrapperNPNFuncs);
wrapperNPNFuncs.version = NPNFuncs.version;
wrapperNPNFuncs.geturlnotify = NPN_GetURLNotify;
wrapperNPNFuncs.geturl = NPN_GetURL;
wrapperNPNFuncs.posturlnotify = NPN_PostURLNotify;
wrapperNPNFuncs.posturl = NPN_PostURL;
wrapperNPNFuncs.requestread = NPN_RequestRead;
wrapperNPNFuncs.newstream = NPN_NewStream;
wrapperNPNFuncs.write = NPN_Write;
wrapperNPNFuncs.destroystream = NPN_DestroyStream;
wrapperNPNFuncs.status = NPN_Status;
wrapperNPNFuncs.uagent = NPN_UserAgent;
wrapperNPNFuncs.memalloc = NPN_MemAlloc;
wrapperNPNFuncs.memfree = NPN_MemFree;
wrapperNPNFuncs.memflush = NPN_MemFlush;
wrapperNPNFuncs.reloadplugins = NPN_ReloadPlugins;
wrapperNPNFuncs.getJavaEnv = NULL;
wrapperNPNFuncs.getJavaPeer = NULL;
wrapperNPNFuncs.getvalue = NPN_GetValue;
wrapperNPNFuncs.setvalue = NPN_SetValue;
wrapperNPNFuncs.invalidaterect = NPN_InvalidateRect;
wrapperNPNFuncs.invalidateregion = NPN_InvalidateRegion;
wrapperNPNFuncs.forceredraw = NPN_ForceRedraw;
plugin_NP_Initialize(&wrapperNPNFuncs);
return TRUE;
}
void nsPluginThread::shut()
{
dbgOut1("nsPluginThread::shut");
if (!plugin_NP_Shutdown)
plugin_NP_Shutdown();
if (!pluginLibrary)
UnloadRealPlugin(pluginLibrary);
}
// NPP_ call translator
DWORD nsPluginThread::callNPP(npapiAction aAction, DWORD aP1, DWORD aP2,
DWORD aP3, DWORD aP4, DWORD aP5,
DWORD aP6, DWORD aP7)
{
// don't enter untill thread is ready
while (isBusy()) {
Sleep(0);
}
mP1 = aP1;
mP2 = aP2;
mP3 = aP3;
mP4 = aP4;
mP5 = aP5;
mP6 = aP6;
mP7 = aP7;
doAction(aAction);
// don't return untill thread is ready
while (isBusy()) {
Sleep(0);
}
return NPERR_NO_ERROR;
}
void nsPluginThread::dispatch()
{
dbgOut2("nsPluginThread::dispatch: %s", FormatAction(mAction));
switch (mAction) {
case action_npp_new:
pluginNPPFuncs.newp((NPMIMEType)mP1, (NPP)mP2, (uint16)mP3, (int16)mP4, (char**)mP5, (char**)mP6, (NPSavedData*)mP7);
break;
case action_npp_destroy:
pluginNPPFuncs.destroy((NPP)mP1, (NPSavedData**)mP2);
break;
case action_npp_set_window:
pluginNPPFuncs.setwindow((NPP)mP1, (NPWindow*)mP2);
break;
case action_npp_new_stream:
pluginNPPFuncs.newstream((NPP)mP1, (NPMIMEType)mP2, (NPStream*)mP3, (NPBool)mP4, (uint16*)mP5);
break;
case action_npp_destroy_stream:
{
NPStream * stream = (NPStream *)mP2;
pluginNPPFuncs.destroystream((NPP)mP1, stream, (NPError)mP3);
break;
}
case action_npp_stream_as_file:
{
NPStream * stream = (NPStream *)mP2;
pluginNPPFuncs.asfile((NPP)mP1, stream, (char*)mP3);
break;
}
case action_npp_write_ready:
pluginNPPFuncs.writeready((NPP)mP1, (NPStream *)mP2);
break;
case action_npp_write:
pluginNPPFuncs.write((NPP)mP1, (NPStream *)mP2, (int32)mP3, (int32)mP4, (void *)mP5);
break;
case action_npp_print:
pluginNPPFuncs.print((NPP)mP1, (NPPrint*)mP2);
break;
case action_npp_handle_event:
pluginNPPFuncs.event((NPP)mP1, (void *)mP2);
break;
case action_npp_url_notify:
pluginNPPFuncs.urlnotify((NPP)mP1, (const char*)mP2, (NPReason)mP3, (void*)mP4);
break;
case action_npp_get_java_class:
// Deprecated action
break;
case action_npp_get_value:
pluginNPPFuncs.getvalue((NPP)mP1, (NPPVariable)mP2, (void *)mP3);
break;
case action_npp_set_value:
pluginNPPFuncs.setvalue((NPP)mP1, (NPNVariable)mP2, (void *)mP3);
break;
default:
dbgOut1("Unexpected action!");
break;
}
}