mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-11 20:15:59 +01:00
470 lines
13 KiB
C++
470 lines
13 KiB
C++
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||
|
/* ***** BEGIN LICENSE BLOCK *****
|
||
|
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
|
||
|
*
|
||
|
* The contents of this file are subject to the Netscape 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/NPL/
|
||
|
*
|
||
|
* 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 NPL, 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 NPL, the GPL or the LGPL.
|
||
|
*
|
||
|
* ***** END LICENSE BLOCK ***** */
|
||
|
|
||
|
//////////////////////////////////////////////////
|
||
|
//
|
||
|
// CPlugin class implementation
|
||
|
//
|
||
|
#include <windows.h>
|
||
|
#include <windowsx.h>
|
||
|
#include "plugin.h"
|
||
|
#include "npupp.h"
|
||
|
#include "nsError.h"
|
||
|
#include <malloc.h>
|
||
|
|
||
|
static NPIdentifier sGetVersion_id;
|
||
|
//static NPObject *sWindowObj;
|
||
|
|
||
|
#define BUFFER_LEN 1024
|
||
|
|
||
|
// Helper class that can be used to map calls to the NPObject hooks
|
||
|
// into virtual methods on instances of classes that derive from this
|
||
|
// class.
|
||
|
class ScriptablePluginObjectBase : public NPObject
|
||
|
{
|
||
|
public:
|
||
|
ScriptablePluginObjectBase(NPP npp)
|
||
|
: mNpp(npp)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
virtual ~ScriptablePluginObjectBase()
|
||
|
{
|
||
|
}
|
||
|
|
||
|
// Virtual NPObject hooks called through this base class. Override
|
||
|
// as you see fit.
|
||
|
virtual void Invalidate();
|
||
|
virtual bool HasMethod(NPIdentifier name);
|
||
|
virtual bool Invoke(NPIdentifier name, const NPVariant *args,
|
||
|
uint32_t argCount, NPVariant *result);
|
||
|
virtual bool InvokeDefault(const NPVariant *args, uint32_t argCount,
|
||
|
NPVariant *result);
|
||
|
virtual bool HasProperty(NPIdentifier name);
|
||
|
virtual bool GetProperty(NPIdentifier name, NPVariant *result);
|
||
|
virtual bool SetProperty(NPIdentifier name, const NPVariant *value);
|
||
|
virtual bool RemoveProperty(NPIdentifier name);
|
||
|
|
||
|
public:
|
||
|
static void _Deallocate(NPObject *npobj);
|
||
|
static void _Invalidate(NPObject *npobj);
|
||
|
static bool _HasMethod(NPObject *npobj, NPIdentifier name);
|
||
|
static bool _Invoke(NPObject *npobj, NPIdentifier name,
|
||
|
const NPVariant *args, uint32_t argCount,
|
||
|
NPVariant *result);
|
||
|
static bool _InvokeDefault(NPObject *npobj, const NPVariant *args,
|
||
|
uint32_t argCount, NPVariant *result);
|
||
|
static bool _HasProperty(NPObject * npobj, NPIdentifier name);
|
||
|
static bool _GetProperty(NPObject *npobj, NPIdentifier name,
|
||
|
NPVariant *result);
|
||
|
static bool _SetProperty(NPObject *npobj, NPIdentifier name,
|
||
|
const NPVariant *value);
|
||
|
static bool _RemoveProperty(NPObject *npobj, NPIdentifier name);
|
||
|
|
||
|
protected:
|
||
|
NPP mNpp;
|
||
|
};
|
||
|
|
||
|
#define DECLARE_NPOBJECT_CLASS_WITH_BASE(_class, ctor) \
|
||
|
static NPClass s##_class##_NPClass = { \
|
||
|
NP_CLASS_STRUCT_VERSION, \
|
||
|
ctor, \
|
||
|
ScriptablePluginObjectBase::_Deallocate, \
|
||
|
ScriptablePluginObjectBase::_Invalidate, \
|
||
|
ScriptablePluginObjectBase::_HasMethod, \
|
||
|
ScriptablePluginObjectBase::_Invoke, \
|
||
|
ScriptablePluginObjectBase::_InvokeDefault, \
|
||
|
ScriptablePluginObjectBase::_HasProperty, \
|
||
|
ScriptablePluginObjectBase::_GetProperty, \
|
||
|
ScriptablePluginObjectBase::_SetProperty, \
|
||
|
ScriptablePluginObjectBase::_RemoveProperty, \
|
||
|
}
|
||
|
|
||
|
#define GET_NPOBJECT_CLASS(_class) &s##_class##_NPClass
|
||
|
|
||
|
void
|
||
|
ScriptablePluginObjectBase::Invalidate()
|
||
|
{
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::HasMethod(NPIdentifier name)
|
||
|
{
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::Invoke(NPIdentifier name, const NPVariant *args,
|
||
|
uint32_t argCount, NPVariant *result)
|
||
|
{
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::InvokeDefault(const NPVariant *args,
|
||
|
uint32_t argCount, NPVariant *result)
|
||
|
{
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::HasProperty(NPIdentifier name)
|
||
|
{
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::GetProperty(NPIdentifier name, NPVariant *result)
|
||
|
{
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::SetProperty(NPIdentifier name,
|
||
|
const NPVariant *value)
|
||
|
{
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::RemoveProperty(NPIdentifier name)
|
||
|
{
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
// static
|
||
|
void
|
||
|
ScriptablePluginObjectBase::_Deallocate(NPObject *npobj)
|
||
|
{
|
||
|
// Call the virtual destructor.
|
||
|
delete (ScriptablePluginObjectBase *)npobj;
|
||
|
}
|
||
|
|
||
|
// static
|
||
|
void
|
||
|
ScriptablePluginObjectBase::_Invalidate(NPObject *npobj)
|
||
|
{
|
||
|
((ScriptablePluginObjectBase *)npobj)->Invalidate();
|
||
|
}
|
||
|
|
||
|
// static
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::_HasMethod(NPObject *npobj, NPIdentifier name)
|
||
|
{
|
||
|
return ((ScriptablePluginObjectBase *)npobj)->HasMethod(name);
|
||
|
}
|
||
|
|
||
|
// static
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::_Invoke(NPObject *npobj, NPIdentifier name,
|
||
|
const NPVariant *args, uint32_t argCount,
|
||
|
NPVariant *result)
|
||
|
{
|
||
|
return ((ScriptablePluginObjectBase *)npobj)->Invoke(name, args, argCount,
|
||
|
result);
|
||
|
}
|
||
|
|
||
|
// static
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::_InvokeDefault(NPObject *npobj,
|
||
|
const NPVariant *args,
|
||
|
uint32_t argCount,
|
||
|
NPVariant *result)
|
||
|
{
|
||
|
return ((ScriptablePluginObjectBase *)npobj)->InvokeDefault(args, argCount,
|
||
|
result);
|
||
|
}
|
||
|
|
||
|
// static
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::_HasProperty(NPObject * npobj, NPIdentifier name)
|
||
|
{
|
||
|
return ((ScriptablePluginObjectBase *)npobj)->HasProperty(name);
|
||
|
}
|
||
|
|
||
|
// static
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::_GetProperty(NPObject *npobj, NPIdentifier name,
|
||
|
NPVariant *result)
|
||
|
{
|
||
|
return ((ScriptablePluginObjectBase *)npobj)->GetProperty(name, result);
|
||
|
}
|
||
|
|
||
|
// static
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::_SetProperty(NPObject *npobj, NPIdentifier name,
|
||
|
const NPVariant *value)
|
||
|
{
|
||
|
return ((ScriptablePluginObjectBase *)npobj)->SetProperty(name, value);
|
||
|
}
|
||
|
|
||
|
// static
|
||
|
bool
|
||
|
ScriptablePluginObjectBase::_RemoveProperty(NPObject *npobj, NPIdentifier name)
|
||
|
{
|
||
|
return ((ScriptablePluginObjectBase *)npobj)->RemoveProperty(name);
|
||
|
}
|
||
|
|
||
|
class ScriptablePluginObject : public ScriptablePluginObjectBase
|
||
|
{
|
||
|
public:
|
||
|
ScriptablePluginObject(NPP npp)
|
||
|
: ScriptablePluginObjectBase(npp)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
virtual bool HasMethod(NPIdentifier name);
|
||
|
virtual bool HasProperty(NPIdentifier name);
|
||
|
virtual bool GetProperty(NPIdentifier name, NPVariant *result);
|
||
|
virtual bool Invoke(NPIdentifier name, const NPVariant *args,
|
||
|
uint32_t argCount, NPVariant *result);
|
||
|
virtual bool InvokeDefault(const NPVariant *args, uint32_t argCount,
|
||
|
NPVariant *result);
|
||
|
};
|
||
|
|
||
|
static NPObject *
|
||
|
AllocateScriptablePluginObject(NPP npp, NPClass *aClass)
|
||
|
{
|
||
|
return new ScriptablePluginObject(npp);
|
||
|
}
|
||
|
|
||
|
DECLARE_NPOBJECT_CLASS_WITH_BASE(ScriptablePluginObject,
|
||
|
AllocateScriptablePluginObject);
|
||
|
|
||
|
bool
|
||
|
ScriptablePluginObject::HasMethod(NPIdentifier name)
|
||
|
{
|
||
|
return name == sGetVersion_id;
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
ScriptablePluginObject::HasProperty(NPIdentifier name)
|
||
|
{
|
||
|
return PR_FALSE;
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
ScriptablePluginObject::GetProperty(NPIdentifier name, NPVariant *result)
|
||
|
{
|
||
|
VOID_TO_NPVARIANT(*result);
|
||
|
|
||
|
return PR_FALSE;
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
ScriptablePluginObject::Invoke(NPIdentifier name, const NPVariant *args,
|
||
|
uint32_t argCount, NPVariant *result)
|
||
|
{
|
||
|
VOID_TO_NPVARIANT(*result);
|
||
|
|
||
|
if (name == sGetVersion_id) {
|
||
|
char csVersion[BUFFER_LEN];
|
||
|
memset(&csVersion[0], '\0', BUFFER_LEN);
|
||
|
|
||
|
DWORD BufferSize = BUFFER_LEN;
|
||
|
DWORD cbData;
|
||
|
bool keyFound = false;
|
||
|
|
||
|
wchar_t exeName[] = L"\\winamp.exe";
|
||
|
wchar_t fileName[BUFFER_LEN];
|
||
|
memset(&fileName[0],'\0',BUFFER_LEN);
|
||
|
wchar_t fileNameTemp[BUFFER_LEN];
|
||
|
|
||
|
HKEY hKey;
|
||
|
cbData = BUFFER_LEN;
|
||
|
|
||
|
// first check the protocol handler registry key, we're looking for
|
||
|
// the winamp:// protocol handler. If we find this, then this is the
|
||
|
// "right" exe for winamp we need to get the version number on
|
||
|
if (RegOpenKeyEx(HKEY_CLASSES_ROOT, TEXT("winamp\\shell\\open\\command"), 0, KEY_READ, &hKey) == ERROR_SUCCESS) {
|
||
|
if ( RegQueryValueEx( hKey,
|
||
|
TEXT(""),
|
||
|
NULL,
|
||
|
NULL,
|
||
|
(LPBYTE) fileNameTemp,
|
||
|
&cbData ) != ERROR_SUCCESS) {
|
||
|
return PR_FALSE;
|
||
|
}
|
||
|
|
||
|
RegCloseKey (hKey);
|
||
|
if (wcsstr(fileNameTemp,L"winamp.exe")) {
|
||
|
int indexOfFirstQuote = wcscspn(fileNameTemp, L"\"");
|
||
|
int indexOfSecondQuote = wcscspn(&fileNameTemp[indexOfFirstQuote+1], L"\"");
|
||
|
if (indexOfFirstQuote >= 0) {
|
||
|
keyFound = true;
|
||
|
wcsncpy(fileName,&fileNameTemp[indexOfFirstQuote+1], indexOfSecondQuote);
|
||
|
}
|
||
|
} else {
|
||
|
// some other app (itunes ??) controlling the winamp:// protocol
|
||
|
// return error
|
||
|
return PR_FALSE;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (!keyFound) {
|
||
|
// See if the reg key exists
|
||
|
if (RegOpenKeyEx(HKEY_CURRENT_USER, TEXT("Software\\Winamp"), 0, KEY_READ, &hKey) != ERROR_SUCCESS) {
|
||
|
return PR_FALSE;
|
||
|
}
|
||
|
|
||
|
cbData = BUFFER_LEN;
|
||
|
if ( RegQueryValueEx( hKey,
|
||
|
TEXT(""),
|
||
|
NULL,
|
||
|
NULL,
|
||
|
(LPBYTE) fileName,
|
||
|
&cbData ) != ERROR_SUCCESS) {
|
||
|
return PR_FALSE;
|
||
|
}
|
||
|
RegCloseKey (hKey);
|
||
|
keyFound = true;
|
||
|
wcscat(fileName,exeName);
|
||
|
}
|
||
|
|
||
|
if (!keyFound) {
|
||
|
return PR_FALSE;
|
||
|
}
|
||
|
|
||
|
static TCHAR sBackSlash[] = {'\\','\0'};
|
||
|
DWORD dwVersionDataLen = GetFileVersionInfoSize(fileName, NULL);
|
||
|
|
||
|
if (dwVersionDataLen) {
|
||
|
char* fvBuf = (char *)alloca(dwVersionDataLen);
|
||
|
if (GetFileVersionInfo(fileName, 0, dwVersionDataLen, fvBuf)) {
|
||
|
|
||
|
LPVOID pVal;
|
||
|
UINT nValLen;
|
||
|
if (VerQueryValue(fvBuf, sBackSlash, &pVal, &nValLen)) {
|
||
|
if (nValLen == sizeof(VS_FIXEDFILEINFO)) {
|
||
|
VS_FIXEDFILEINFO* pFixedFileInfo = (VS_FIXEDFILEINFO*)pVal;
|
||
|
//sprintf(csVersion, "%d.%d.%d.%d",
|
||
|
//HIWORD(pFixedFileInfo->dwFileVersionMS), LOWORD(pFixedFileInfo->dwFileVersionMS),
|
||
|
//HIWORD(pFixedFileInfo->dwFileVersionLS), LOWORD(pFixedFileInfo->dwFileVersionLS));
|
||
|
sprintf(csVersion, "%d.%d%d",
|
||
|
HIWORD(pFixedFileInfo->dwFileVersionMS), LOWORD(pFixedFileInfo->dwFileVersionMS),
|
||
|
HIWORD(pFixedFileInfo->dwFileVersionLS));
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
size_t versionLen = (uint32)strlen(&csVersion[0]) + 1;
|
||
|
char *targetResult = (char *) NPN_MemAlloc(versionLen);
|
||
|
|
||
|
if (targetResult != NULL )
|
||
|
memcpy(targetResult, csVersion, versionLen);
|
||
|
else
|
||
|
return PR_FALSE;
|
||
|
|
||
|
STRINGZ_TO_NPVARIANT(targetResult, *result);
|
||
|
return PR_TRUE;
|
||
|
}
|
||
|
|
||
|
return PR_FALSE;
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
ScriptablePluginObject::InvokeDefault(const NPVariant *args, uint32_t argCount,
|
||
|
NPVariant *result)
|
||
|
{
|
||
|
VOID_TO_NPVARIANT(*result);
|
||
|
|
||
|
return PR_FALSE;
|
||
|
}
|
||
|
|
||
|
CPlugin::CPlugin(NPP pNPInstance) :
|
||
|
m_pNPInstance(pNPInstance),
|
||
|
m_bInitialized(FALSE),
|
||
|
m_pScriptableObject(NULL)
|
||
|
{
|
||
|
//NPN_GetValue(m_pNPInstance, NPNVWindowNPObject, &sWindowObj);
|
||
|
|
||
|
sGetVersion_id = NPN_GetStringIdentifier("getVersion");
|
||
|
}
|
||
|
|
||
|
CPlugin::~CPlugin()
|
||
|
{
|
||
|
//if (sWindowObj)
|
||
|
// NPN_ReleaseObject(sWindowObj);
|
||
|
if (m_pScriptableObject)
|
||
|
NPN_ReleaseObject(m_pScriptableObject);
|
||
|
|
||
|
//sWindowObj = 0;
|
||
|
}
|
||
|
|
||
|
NPBool CPlugin::init(NPWindow* pNPWindow)
|
||
|
{
|
||
|
if(pNPWindow == NULL)
|
||
|
return FALSE;
|
||
|
|
||
|
m_Window = pNPWindow;
|
||
|
|
||
|
m_bInitialized = TRUE;
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
void CPlugin::shut()
|
||
|
{
|
||
|
m_bInitialized = FALSE;
|
||
|
}
|
||
|
|
||
|
NPBool CPlugin::isInitialized()
|
||
|
{
|
||
|
return m_bInitialized;
|
||
|
}
|
||
|
|
||
|
|
||
|
int16 CPlugin::handleEvent(void* event)
|
||
|
{
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
NPObject *
|
||
|
CPlugin::GetScriptableObject()
|
||
|
{
|
||
|
if (!m_pScriptableObject) {
|
||
|
m_pScriptableObject =
|
||
|
NPN_CreateObject(m_pNPInstance,
|
||
|
GET_NPOBJECT_CLASS(ScriptablePluginObject));
|
||
|
}
|
||
|
|
||
|
if (m_pScriptableObject) {
|
||
|
NPN_RetainObject(m_pScriptableObject);
|
||
|
}
|
||
|
|
||
|
return m_pScriptableObject;
|
||
|
}
|