winamp/Src/Winamp/JSAPI2_MediaCore.cpp
2024-09-24 14:54:57 +02:00

286 lines
7.5 KiB
C++

#include "JSAPI2_MediaCore.h"
#include "main.h"
#include "api.h"
#include "JSAPI.h"
#include "JSAPI2_Security.h"
#include "JSAPI2_CallbackManager.h"
JSAPI2::MediaCoreAPI::MediaCoreAPI(const wchar_t *_key, JSAPI::ifc_info *_info) : metadataGuard("MediaCoreAPI metadata Guard")
{
info = _info;
key = _key;
refCount = 1;
}
JSAPI2::MediaCoreAPI::~MediaCoreAPI()
{
JSAPI2::callbackManager.Deregister(this);
}
#define DISP_TABLE \
CHECK_ID(IsRegisteredExtension)\
CHECK_ID(GetMetadata)\
CHECK_ID(AddMetadataHook)\
CHECK_ID(RemoveMetadataHook)\
#define CHECK_ID(str) JSAPI_DISP_ENUMIFY(str),
enum {
DISP_TABLE
};
#undef CHECK_ID
#define CHECK_ID(str)\
if (CSTR_EQUAL == CompareStringW(lcid, NORM_IGNORECASE, rgszNames[i], -1, L## #str, -1))\
{ rgdispid[i] = JSAPI_DISP_ENUMIFY(str); continue; }
HRESULT JSAPI2::MediaCoreAPI::GetIDsOfNames(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid)
{
bool unknowns = false;
for (unsigned int i = 0;i != cNames;i++)
{
DISP_TABLE
rgdispid[i] = DISPID_UNKNOWN;
unknowns = true;
}
if (unknowns)
return DISP_E_UNKNOWNNAME;
else
return S_OK;
}
HRESULT JSAPI2::MediaCoreAPI::GetTypeInfo(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo)
{
return E_NOTIMPL;
}
HRESULT JSAPI2::MediaCoreAPI::GetTypeInfoCount(unsigned int FAR * pctinfo)
{
return E_NOTIMPL;
}
HRESULT JSAPI2::MediaCoreAPI::IsRegisteredExtension(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
JSAPI_VERIFY_METHOD(wFlags);
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 1);
JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_BSTR, puArgErr);
JSAPI_INIT_RESULT(pvarResult, VT_BOOL);
const wchar_t *extension = JSAPI_PARAM(pdispparams, 1).bstrVal;
int start_offs=0;
wchar_t filename[MAX_PATH] = {0};
StringCbPrintfW(filename, sizeof(filename), L"test.%s", extension);
In_Module *i = in_setmod_noplay(filename, &start_offs);
if (i)
V_BOOL(pvarResult) = VARIANT_TRUE;
else
V_BOOL(pvarResult) = VARIANT_FALSE;
return S_OK;
}
HRESULT JSAPI2::MediaCoreAPI::GetMetadata(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
JSAPI_VERIFY_METHOD(wFlags);
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 2);
JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_BSTR, puArgErr);
JSAPI_VERIFY_PARAMTYPE(pdispparams, 2, VT_BSTR, puArgErr);
JSAPI_INIT_RESULT(pvarResult, VT_BSTR);
if (security.GetActionAuthorization(L"mediacore", L"metadata", key, info, JSAPI2::api_security::ACTION_PROMPT) == JSAPI2::api_security::ACTION_ALLOWED)
{
wchar_t buffer[4096] = {0};
extendedFileInfoStructW info;
info.filename = JSAPI_PARAM(pdispparams, 1).bstrVal;
info.metadata = JSAPI_PARAM(pdispparams, 2).bstrVal;
info.ret = buffer;
info.retlen = sizeof(buffer)/sizeof(*buffer);
if (NULL != info.filename &&
NULL != info.metadata)
{
if (0 == SendMessageW(hMainWindow, WM_WA_IPC, (WPARAM)&info, IPC_GET_EXTENDED_FILE_INFOW_HOOKABLE))
info.ret = NULL;
JSAPI_SET_RESULT(pvarResult, bstrVal, SysAllocString(info.ret));
}
else
JSAPI_EMPTY_RESULT(pvarResult);
}
else
{
JSAPI_EMPTY_RESULT(pvarResult);
}
return S_OK;
}
void JSAPI2::MediaCoreAPI::RemoveMetadataHook(const wchar_t *filename)
{
Nullsoft::Utility::AutoLock metadataLock(metadataGuard);
RemoveMetadataHook_again:
MetadataMap::iterator itr;
for (itr=metadataMap.begin();itr!=metadataMap.end();itr++)
{
if (!_wcsicmp(filename, itr->url.c_str()))
{
metadataMap.erase(itr);
goto RemoveMetadataHook_again;
}
}
}
void JSAPI2::MediaCoreAPI::RemoveMetadataHook(const wchar_t *filename, const wchar_t *tag)
{
Nullsoft::Utility::AutoLock metadataLock(metadataGuard);
RemoveMetadataHook_again2:
MetadataMap::iterator itr;
for (itr=metadataMap.begin();itr!=metadataMap.end();itr++)
{
if (!_wcsicmp(filename, itr->url.c_str())
&& !_wcsicmp(tag, itr->tag.c_str()))
{
metadataMap.erase(itr);
goto RemoveMetadataHook_again2;
}
}
}
HRESULT JSAPI2::MediaCoreAPI::AddMetadataHook(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
JSAPI_VERIFY_METHOD(wFlags);
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 3);
JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_BSTR, puArgErr);
JSAPI_VERIFY_PARAMTYPE(pdispparams, 2, VT_BSTR, puArgErr);
JSAPI_VERIFY_PARAMTYPE(pdispparams, 3, VT_BSTR, puArgErr);
JSAPI_INIT_RESULT(pvarResult, VT_BOOL);
if (security.GetActionAuthorization(L"mediacore", L"metadatahook", key, info, JSAPI2::api_security::ACTION_PROMPT) == JSAPI2::api_security::ACTION_ALLOWED)
{
const wchar_t *filename = JSAPI_PARAM(pdispparams, 1).bstrVal;
const wchar_t *tag = JSAPI_PARAM(pdispparams, 2).bstrVal;
const wchar_t *value = JSAPI_PARAM(pdispparams, 3).bstrVal;
if (NULL == filename || L'\0' == *filename ||
NULL == tag || L'\0' == *tag)
{
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_FALSE);
return S_OK;
}
JSAPI2::callbackManager.Register(this);
metadata_info info;
info.url = filename;
info.tag = tag;
info.metadata= value;
Nullsoft::Utility::AutoLock metadataLock(metadataGuard);
RemoveMetadataHook(filename, tag);
metadataMap.push_back(info);
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_TRUE);
}
else
{
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_FALSE);
}
return S_OK;
}
HRESULT JSAPI2::MediaCoreAPI::RemoveMetadataHook(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
JSAPI_VERIFY_METHOD(wFlags);
JSAPI_VERIFY_PARAMCOUNT_OPTIONAL(pdispparams, 1, 2);
JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_BSTR, puArgErr);
JSAPI_VERIFY_PARAMTYPE_OPTIONAL(pdispparams, 2, VT_BSTR, puArgErr);
JSAPI_INIT_RESULT(pvarResult, VT_BOOL);
const wchar_t *filename = JSAPI_PARAM(pdispparams, 1).bstrVal;
const wchar_t *tag = JSAPI_PARAM_OPTIONAL(pdispparams, 2, bstrVal, 0);
if (NULL == filename || L'\0' == *filename)
{
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_FALSE);
return S_OK;
}
if (NULL != tag && L'\0' == *tag)
tag = NULL;
if (NULL != tag)
RemoveMetadataHook(filename, tag);
else
RemoveMetadataHook(filename);
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_TRUE);
return S_OK;
}
bool JSAPI2::MediaCoreAPI::OverrideMetadata(const wchar_t *filename, const wchar_t *tag, wchar_t *out, size_t outCch)
{
Nullsoft::Utility::AutoLock metadataLock(metadataGuard);
MetadataMap::iterator itr;
for (itr=metadataMap.begin();itr!=metadataMap.end();itr++)
{
if (!_wcsicmp(filename, itr->url.c_str()) && !_wcsicmp(tag, itr->tag.c_str()))
{
StringCchCopyW(out, outCch, itr->metadata.c_str());
return true;
}
}
return false;
}
#undef CHECK_ID
#define CHECK_ID(str) case JSAPI_DISP_ENUMIFY(str): return str(wFlags, pdispparams, pvarResult, puArgErr);
HRESULT JSAPI2::MediaCoreAPI::Invoke(DISPID dispid, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr)
{
switch (dispid)
{
DISP_TABLE
}
return DISP_E_MEMBERNOTFOUND;
}
STDMETHODIMP JSAPI2::MediaCoreAPI::QueryInterface(REFIID riid, PVOID *ppvObject)
{
if (!ppvObject)
return E_POINTER;
else if (IsEqualIID(riid, IID_IDispatch))
*ppvObject = (IDispatch *)this;
else if (IsEqualIID(riid, IID_IUnknown))
*ppvObject = this;
else
{
*ppvObject = NULL;
return E_NOINTERFACE;
}
AddRef();
return S_OK;
}
ULONG JSAPI2::MediaCoreAPI::AddRef(void)
{
return InterlockedIncrement(&refCount);
}
ULONG JSAPI2::MediaCoreAPI::Release(void)
{
LONG lRef = InterlockedDecrement(&refCount);
if (lRef == 0) delete this;
return lRef;
}