Mozilla/mozilla/modules/plugin/nglsrc/nsPluginHostImpl.cpp
michaelp%netscape.com eaa37a2444 changes for plugin support.
git-svn-id: svn://10.0.0.236/trunk@7015 18797224-902f-48f8-a5cc-f745e15eee43
1998-08-01 05:46:47 +00:00

633 lines
16 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsPluginHostImpl.h"
#include <stdio.h>
#include "prio.h"
#include "prmem.h"
#include "ns4xPlugin.h"
#include "nsMalloc.h" //this is evil...
#include "nsPluginInstancePeer.h"
#ifdef XP_PC
#include "windows.h"
#endif
static NS_DEFINE_IID(kIPluginInstanceIID, NS_IPLUGININSTANCE_IID);
nsPluginTag :: nsPluginTag()
{
mNext = nsnull;
mName = nsnull;
mDescription = nsnull;
mMimeType = nsnull;
mMimeDescription = nsnull;
mExtensions = nsnull;
mVariants = 0;
mMimeTypeArray = nsnull;
mMimeDescriptionArray = nsnull;
mExtensionsArray = nsnull;
mLibrary = nsnull;
mEntryPoint = nsnull;
mFlags = NS_PLUGIN_FLAG_ENABLED;
}
nsPluginTag :: ~nsPluginTag()
{
if (nsnull != mName)
{
PR_Free(mName);
mName = nsnull;
}
if (nsnull != mDescription)
{
PR_Free(mDescription);
mDescription = nsnull;
}
if (nsnull != mMimeType)
{
PR_Free(mMimeType);
mMimeType = nsnull;
}
if (nsnull != mMimeDescription)
{
PR_Free(mMimeDescription);
mMimeDescription = nsnull;
}
if (nsnull != mExtensions)
{
PR_Free(mExtensions);
mExtensions = nsnull;
}
if (nsnull != mMimeTypeArray)
{
PR_Free(mMimeTypeArray);
mMimeTypeArray = nsnull;
}
if (nsnull != mMimeDescriptionArray)
{
PR_Free(mMimeDescriptionArray);
mMimeDescriptionArray = nsnull;
}
if (nsnull != mExtensionsArray)
{
PR_Free(mExtensionsArray);
mExtensionsArray = nsnull;
}
if (nsnull != mLibrary)
{
PR_UnloadLibrary(mLibrary);
mLibrary = nsnull;
}
mEntryPoint = nsnull;
}
static NS_DEFINE_IID(kIPluginManagerIID, NS_IPLUGINMANAGER_IID);
static NS_DEFINE_IID(kIPluginHostIID, NS_IPLUGINHOST_IID);
static NS_DEFINE_IID(kIMallocIID, NS_IMALLOC_IID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
nsPluginHostImpl :: nsPluginHostImpl()
{
}
nsPluginHostImpl :: ~nsPluginHostImpl()
{
if (nsnull != mPluginPath)
{
PR_Free(mPluginPath);
mPluginPath = nsnull;
}
while (nsnull != mPlugins)
{
nsPluginTag *temp = mPlugins->mNext;
delete mPlugins;
mPlugins = temp;
}
NS_IF_RELEASE(mMalloc);
}
NS_IMPL_ADDREF(nsPluginHostImpl)
NS_IMPL_RELEASE(nsPluginHostImpl)
nsresult nsPluginHostImpl :: QueryInterface(const nsIID& aIID,
void** aInstancePtrResult)
{
NS_PRECONDITION(nsnull != aInstancePtrResult, "null pointer");
if (nsnull == aInstancePtrResult)
return NS_ERROR_NULL_POINTER;
if (aIID.Equals(kIPluginManagerIID))
{
*aInstancePtrResult = (void *)((nsIPluginManager *)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(kIPluginHostIID))
{
*aInstancePtrResult = (void *)((nsIPluginHost *)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(kIMallocIID))
{
*aInstancePtrResult = mMalloc;
NS_IF_ADDREF(mMalloc);
return NS_OK;
}
if (aIID.Equals(kISupportsIID))
{
*aInstancePtrResult = (void *)((nsISupports *)((nsIPluginHost *)this));
AddRef();
return NS_OK;
}
return NS_NOINTERFACE;
}
nsresult nsPluginHostImpl :: ReloadPlugins(PRBool reloadPages)
{
return LoadPlugins();
}
//XXX need to find out score on this one... MMP
nsresult nsPluginHostImpl :: UserAgent(const char **retstring)
{
*retstring = "NGLayout";
return NS_OK;
}
nsresult nsPluginHostImpl :: GetValue(nsPluginManagerVariable variable, void *value)
{
return NS_OK;
}
nsresult nsPluginHostImpl :: SetValue(nsPluginManagerVariable variable, void *value)
{
return NS_OK;
}
NS_IMETHODIMP nsPluginHostImpl :: GetURL(nsISupports* peer, const char* url,
const char* target,
void* notifyData, const char* altHost,
const char* referrer, PRBool forceJSEnabled)
{
return NS_OK;
}
NS_IMETHODIMP nsPluginHostImpl :: PostURL(nsISupports* peer,
const char* url, const char* target,
PRUint32 postDataLen, const char* postData,
PRBool isFile, void* notifyData,
const char* altHost, const char* referrer,
PRBool forceJSEnabled,
PRUint32 postHeadersLength, const char* postHeaders)
{
return NS_OK;
}
nsresult nsPluginHostImpl :: Init(void)
{
nsresult rv;
rv = nsMalloc::Create(nsnull, kIMallocIID, (void **)&mMalloc);
return rv;
}
nsresult nsPluginHostImpl :: LoadPlugins(void)
{
#ifdef XP_PC
long result;
HKEY keyloc;
DWORD type, pathlen;
char path[2000];
path[0] = 0;
result = ::RegOpenKeyEx(HKEY_CURRENT_USER,
"Software\\Netscape\\Netscape Navigator\\Main",
0, KEY_READ, &keyloc);
if (result == ERROR_SUCCESS)
{
pathlen = sizeof(path);
result = ::RegQueryValueEx(keyloc, "Install Directory",
NULL, &type, (LPBYTE)&path, &pathlen);
if (result == ERROR_SUCCESS)
{
strcat(path, "\\Program\\Plugins");
printf("plugins at: %s\n", path);
}
::RegCloseKey(keyloc);
}
PRDir *dir;
dir = PR_OpenDir(path);
if (nsnull != dir)
{
PRDirEntry *dent;
char *verbuf = NULL;
DWORD verbufsize = 0;
pathlen = strlen(path);
mPluginPath = (char *)PR_Malloc(pathlen + 2);
if (nsnull != mPluginPath)
{
strcpy(mPluginPath, path);
mPluginPath[pathlen] = '\\';
mPluginPath[pathlen + 1] = 0;
}
while (nsnull != mPlugins)
{
nsPluginTag *temp = mPlugins->mNext;
delete mPlugins;
mPlugins = temp;
}
while (dent = PR_ReadDir(dir, PR_SKIP_BOTH))
{
PRInt32 len = strlen(dent->name);
if (len > 6) //np*.dll
{
if ((0 == stricmp(&dent->name[len - 4], ".dll")) && //ends in '.dll'
(0 == strnicmp(dent->name, "np", 2))) //starts with 'np'
{
PRLibrary *plugin;
strcpy(path, mPluginPath);
strcat(path, dent->name);
plugin = PR_LoadLibrary(path);
if (NULL != plugin)
{
DWORD zerome, versionsize;
versionsize = ::GetFileVersionInfoSize(path, &zerome);
if (versionsize > 0)
{
if (versionsize > verbufsize)
{
if (nsnull != verbuf)
PR_Free(verbuf);
verbuf = (char *)PR_Malloc(versionsize);
verbufsize = versionsize;
}
if ((nsnull != verbuf) && ::GetFileVersionInfo(path, NULL, verbufsize, verbuf))
{
char *buf = NULL;
UINT blen;
nsPluginTag *plugintag;
PRBool completetag = PR_FALSE;
PRInt32 variants;
plugintag = new nsPluginTag();
while (nsnull != plugintag)
{
plugintag->mName = (char *)PR_Malloc(strlen(dent->name) + 1);
if (nsnull == plugintag->mName)
break;
else
strcpy(plugintag->mName, dent->name);
::VerQueryValue(verbuf,
TEXT("\\StringFileInfo\\040904E4\\FileDescription"),
(void **)&buf, &blen);
if (NULL == buf)
break;
else
{
plugintag->mDescription = (char *)PR_Malloc(blen + 1);
if (nsnull == plugintag->mDescription)
break;
else
strcpy(plugintag->mDescription, buf);
}
::VerQueryValue(verbuf,
TEXT("\\StringFileInfo\\040904E4\\MIMEType"),
(void **)&buf, &blen);
if (NULL == buf)
break;
else
{
plugintag->mMimeType = (char *)PR_Malloc(blen + 1);
if (nsnull == plugintag->mMimeType)
break;
else
strcpy(plugintag->mMimeType, buf);
buf = plugintag->mMimeType;
variants = 1;
while (*buf)
{
if (*buf == '|')
variants++;
buf++;
}
plugintag->mVariants = variants;
plugintag->mMimeTypeArray = (char **)PR_Malloc(variants * sizeof(char *));
if (nsnull == plugintag->mMimeTypeArray)
break;
else
{
variants = 0;
plugintag->mMimeTypeArray[variants++] = plugintag->mMimeType;
buf = plugintag->mMimeType;
while (*buf)
{
if (*buf == '|')
{
plugintag->mMimeTypeArray[variants++] = buf + 1;
*buf = 0;
}
buf++;
}
}
}
::VerQueryValue(verbuf,
TEXT("\\StringFileInfo\\040904E4\\FileOpenName"),
(void **)&buf, &blen);
if (NULL == buf)
break;
else
{
plugintag->mMimeDescription = (char *)PR_Malloc(blen + 1);
if (nsnull == plugintag->mMimeDescription)
break;
else
strcpy(plugintag->mMimeDescription, buf);
buf = plugintag->mMimeDescription;
variants = 1;
while (*buf)
{
if (*buf == '|')
variants++;
buf++;
}
if (variants != plugintag->mVariants)
break;
plugintag->mMimeDescriptionArray = (char **)PR_Malloc(variants * sizeof(char *));
if (nsnull == plugintag->mMimeDescriptionArray)
break;
else
{
variants = 0;
plugintag->mMimeDescriptionArray[variants++] = plugintag->mMimeDescription;
buf = plugintag->mMimeDescription;
while (*buf)
{
if (*buf == '|')
{
plugintag->mMimeDescriptionArray[variants++] = buf + 1;
*buf = 0;
}
buf++;
}
}
}
::VerQueryValue(verbuf,
TEXT("\\StringFileInfo\\040904E4\\FileExtents"),
(void **)&buf, &blen);
if (NULL == buf)
break;
else
{
plugintag->mExtensions = (char *)PR_Malloc(blen + 1);
if (nsnull == plugintag->mExtensions)
break;
else
strcpy(plugintag->mExtensions, buf);
buf = plugintag->mExtensions;
variants = 1;
while (*buf)
{
if (*buf == '|')
variants++;
buf++;
}
if (variants != plugintag->mVariants)
break;
plugintag->mExtensionsArray = (char **)PR_Malloc(variants * sizeof(char *));
if (nsnull == plugintag->mExtensionsArray)
break;
else
{
variants = 0;
plugintag->mExtensionsArray[variants++] = plugintag->mExtensions;
buf = plugintag->mExtensions;
while (*buf)
{
if (*buf == '|')
{
plugintag->mExtensionsArray[variants++] = buf + 1;
*buf = 0;
}
buf++;
}
}
}
completetag = PR_TRUE;
break;
}
if (PR_FALSE == completetag)
delete plugintag;
else
{
if (nsnull == PR_FindSymbol(plugin, "NSGetFactory"))
plugintag->mFlags |= NS_PLUGIN_FLAG_OLDSCHOOL;
printf("plugin %s added to list %s\n", plugintag->mName, (plugintag->mFlags & NS_PLUGIN_FLAG_OLDSCHOOL) ? "(old school)" : "");
plugintag->mNext = mPlugins;
mPlugins = plugintag;
}
}
}
PR_UnloadLibrary(plugin);
}
}
}
}
if (nsnull != verbuf)
PR_Free(verbuf);
PR_CloseDir(dir);
}
#else
printf("Don't know how to locate plugins directory on Unix yet...\n");
#endif
return NS_OK;
}
nsresult nsPluginHostImpl :: InstantiatePlugin(char *aMimeType, nsIPluginInstance ** aPluginInst)
{
nsPluginTag *plugins = mPlugins;
PRInt32 variants, cnt;
while (nsnull != plugins)
{
variants = plugins->mVariants;
for (cnt = 0; cnt < variants; cnt++)
{
if (0 == strcmp(plugins->mMimeTypeArray[cnt], aMimeType))
break;
}
if (cnt < variants)
break;
plugins = plugins->mNext;
}
if (nsnull != plugins)
{
if (nsnull == plugins->mLibrary)
{
char path[2000];
strcpy(path, mPluginPath);
strcat(path, plugins->mName);
plugins->mLibrary = PR_LoadLibrary(path);
printf("loaded plugin %s for mime type %s\n", plugins->mName, aMimeType);
}
if (nsnull != plugins->mLibrary)
{
if (nsnull == plugins->mEntryPoint)
{
//create the plugin object
if (plugins->mFlags & NS_PLUGIN_FLAG_OLDSCHOOL)
{
nsresult rv = ns4xPlugin::CreatePlugin(plugins->mLibrary, (nsIPlugin **)&plugins->mEntryPoint);
printf("result of creating plugin adapter: %d\n", rv);
}
else
plugins->mEntryPoint = (nsIPlugin *)PR_FindSymbol(plugins->mLibrary, "NSGetFactory");
if (nsnull != plugins->mEntryPoint)
plugins->mEntryPoint->Initialize((nsISupports *)(nsIPluginManager *)this);
}
if (nsnull != plugins->mEntryPoint)
{
//create an instance
if (NS_OK == plugins->mEntryPoint->CreateInstance(nsnull, kIPluginInstanceIID, (void **)aPluginInst))
{
printf("successfully created plugin instance\n");
nsIPluginInstancePeer *peer = new nsPluginInstancePeerImpl();
(*aPluginInst)->Initialize(peer);
}
}
}
else
return NS_ERROR_UNEXPECTED;
return NS_OK;
}
else
{
printf("unable to find plugin to handle %s\n", aMimeType);
return NS_ERROR_FAILURE;
}
}