winamp/Src/Winamp/JSAPI2_TransportAPI.cpp

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2024-09-24 12:54:57 +00:00
#include "JSAPI2_TransportAPI.h"
#include "JSAPI2_Security.h"
#include "JSAPI2_CallbackManager.h"
#include "main.h"
#include "JSAPI.h"
#include "JSAPI_CallbackParameters.h"
#define SCRIPT_E_REPORTED 0x80020101
JSAPI2::TransportAPI::TransportAPI(const wchar_t *_key, JSAPI::ifc_info *info)
{
this->info = info;
key = _key;
refCount = 1;
}
JSAPI2::TransportAPI::~TransportAPI()
{
// just in case someone forgot
JSAPI2::callbackManager.Deregister(this);
size_t index = events.size();
while(index--)
{
IDispatch *pEvent = events[index];
if (NULL != pEvent)
pEvent->Release();
}
}
#define DISP_TABLE \
CHECK_ID(Prev)\
CHECK_ID(Play)\
CHECK_ID(Pause)\
CHECK_ID(Stop)\
CHECK_ID(Next)\
CHECK_ID(shuffle)\
CHECK_ID(repeat)\
CHECK_ID(position)\
CHECK_ID(length)\
CHECK_ID(url)\
CHECK_ID(title)\
CHECK_ID(playing)\
CHECK_ID(paused)\
CHECK_ID(GetMetadata)\
CHECK_ID(RegisterForEvents)\
CHECK_ID(UnregisterFromEvents)\
#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::TransportAPI::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::TransportAPI::GetTypeInfo(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo)
{
return E_NOTIMPL;
}
HRESULT JSAPI2::TransportAPI::GetTypeInfoCount(unsigned int FAR * pctinfo)
{
return E_NOTIMPL;
}
HRESULT JSAPI2::TransportAPI::ButtonPress(WPARAM button, const wchar_t *action, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
JSAPI_VERIFY_METHOD(wFlags);
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 0);
JSAPI_INIT_RESULT(pvarResult, VT_BOOL);
switch (security.GetActionAuthorization(L"transport", action, key, info, JSAPI2::api_security::ACTION_PROMPT))
{
case JSAPI2::api_security::ACTION_DISALLOWED:
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_FALSE);
break;
case JSAPI2::api_security::ACTION_ALLOWED:
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_TRUE);
SendMessageW(hMainWindow, WM_COMMAND, button, 0);
break;
}
return S_OK;
}
HRESULT JSAPI2::TransportAPI::Prev(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
return ButtonPress(WINAMP_BUTTON1, L"controls", wFlags, pdispparams, pvarResult, puArgErr);
}
HRESULT JSAPI2::TransportAPI::Play(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
return ButtonPress(WINAMP_BUTTON2, L"controls", wFlags, pdispparams, pvarResult, puArgErr);
}
HRESULT JSAPI2::TransportAPI::Pause(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
return ButtonPress(WINAMP_BUTTON3, L"controls", wFlags, pdispparams, pvarResult, puArgErr);
}
HRESULT JSAPI2::TransportAPI::Stop(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
return ButtonPress(WINAMP_BUTTON4, L"controls", wFlags, pdispparams, pvarResult, puArgErr);
}
HRESULT JSAPI2::TransportAPI::Next(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
return ButtonPress(WINAMP_BUTTON5, L"controls", wFlags, pdispparams, pvarResult, puArgErr);
}
HRESULT JSAPI2::TransportAPI::shuffle(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
if (wFlags & DISPATCH_PROPERTYPUT)
{
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 1);
JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_BOOL, puArgErr);
switch (security.GetActionAuthorization(L"transport", L"controls", key, info, JSAPI2::api_security::ACTION_PROMPT))
{
case JSAPI2::api_security::ACTION_DISALLOWED:
return S_OK;
case JSAPI2::api_security::ACTION_ALLOWED:
if (!!config_shuffle != JSAPI_PARAM(pdispparams, 1).lVal)
SendMessageW(hMainWindow, WM_COMMAND, WINAMP_FILE_SHUFFLE, 0);
return S_OK;
}
}
else if (wFlags & DISPATCH_PROPERTYGET)
{
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 0);
VariantInit(pvarResult);
V_VT(pvarResult) = VT_BOOL;
V_BOOL(pvarResult) = (0 != config_shuffle) ? VARIANT_TRUE : VARIANT_FALSE;//(LONG)SendMessageW(hMainWindow, WM_WA_IPC, 0, IPC_GET_SHUFFLE);
return S_OK;
}
else
return DISP_E_MEMBERNOTFOUND;
return E_FAIL;
}
HRESULT JSAPI2::TransportAPI::repeat(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
if (wFlags & DISPATCH_PROPERTYPUT)
{
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 1);
JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_BOOL, puArgErr);
switch (security.GetActionAuthorization(L"transport", L"controls", key, info, JSAPI2::api_security::ACTION_PROMPT))
{
case JSAPI2::api_security::ACTION_DISALLOWED:
return S_OK;
case JSAPI2::api_security::ACTION_ALLOWED:
if (!!config_repeat != !!JSAPI_PARAM(pdispparams, 1).boolVal)
SendMessageW(hMainWindow, WM_COMMAND, WINAMP_FILE_REPEAT, 0);
return S_OK;
}
}
else if (wFlags & DISPATCH_PROPERTYGET)
{
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 0);
VariantInit(pvarResult);
V_VT(pvarResult) = VT_BOOL;
V_BOOL(pvarResult) = (0 != config_repeat) ? VARIANT_TRUE : VARIANT_FALSE;
return S_OK;
}
else
return DISP_E_MEMBERNOTFOUND;
return E_FAIL;
}
HRESULT JSAPI2::TransportAPI::position(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
if (wFlags & DISPATCH_PROPERTYPUT)
{
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 1);
JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_I4, puArgErr);
if (security.GetActionAuthorization(L"transport", L"controls", key, info, JSAPI2::api_security::ACTION_PROMPT) == JSAPI2::api_security::ACTION_ALLOWED)
{
SendMessageW(hMainWindow, WM_WA_IPC, JSAPI_PARAM(pdispparams, 1).lVal, IPC_JUMPTOTIME);
}
return S_OK;
}
else if (wFlags & DISPATCH_PROPERTYGET)
{
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 0);
VariantInit(pvarResult);
V_VT(pvarResult) = VT_I4;
V_I4(pvarResult) = (LONG)SendMessageW(hMainWindow, WM_WA_IPC, 0, IPC_GETOUTPUTTIME);
return S_OK;
}
return DISP_E_MEMBERNOTFOUND;
}
HRESULT JSAPI2::TransportAPI::length(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
if (wFlags & DISPATCH_PROPERTYGET)
{
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 0);
VariantInit(pvarResult);
V_VT(pvarResult) = VT_I4;
V_I4(pvarResult) = (LONG)SendMessageW(hMainWindow, WM_WA_IPC, 2, IPC_GETOUTPUTTIME);
return S_OK;
}
else
return DISP_E_MEMBERNOTFOUND;
}
HRESULT JSAPI2::TransportAPI::url(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
if (wFlags & DISPATCH_PROPERTYGET)
{
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 0);
JSAPI_INIT_RESULT(pvarResult, VT_BSTR);
if (security.GetActionAuthorization(L"transport", L"metadata", key, info, JSAPI2::api_security::ACTION_PROMPT) == JSAPI2::api_security::ACTION_ALLOWED)
{
JSAPI_SET_RESULT(pvarResult, bstrVal, SysAllocString(FileName));
}
else
{
JSAPI_EMPTY_RESULT(pvarResult);
}
return S_OK;
}
else
return DISP_E_MEMBERNOTFOUND;
}
HRESULT JSAPI2::TransportAPI::title(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
if (wFlags & DISPATCH_PROPERTYGET)
{
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 0);
JSAPI_INIT_RESULT(pvarResult, VT_BSTR);
if (security.GetActionAuthorization(L"transport", L"metadata", key, info, JSAPI2::api_security::ACTION_PROMPT) == JSAPI2::api_security::ACTION_ALLOWED)
{
JSAPI_SET_RESULT(pvarResult, bstrVal, SysAllocString(FileTitle));
}
else
{
JSAPI_EMPTY_RESULT(pvarResult);
}
return S_OK;
}
else
return DISP_E_MEMBERNOTFOUND;
}
HRESULT JSAPI2::TransportAPI::playing(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
if (wFlags & DISPATCH_PROPERTYGET)
{
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 0);
VariantInit(pvarResult);
V_VT(pvarResult) = VT_BOOL;
switch (security.GetActionAuthorization(L"transport", L"controls", key, info, JSAPI2::api_security::ACTION_PROMPT))
{
case JSAPI2::api_security::ACTION_DISALLOWED:
V_BOOL(pvarResult) = VARIANT_FALSE;
break;
case JSAPI2::api_security::ACTION_ALLOWED:
V_BOOL(pvarResult) = ::playing?VARIANT_TRUE:VARIANT_FALSE;
break;
}
return S_OK;
}
else
return DISP_E_MEMBERNOTFOUND;
}
HRESULT JSAPI2::TransportAPI::paused(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
if (wFlags & DISPATCH_PROPERTYGET)
{
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 0);
VariantInit(pvarResult);
V_VT(pvarResult) = VT_BOOL;
switch (security.GetActionAuthorization(L"transport", L"controls", key, info, JSAPI2::api_security::ACTION_PROMPT))
{
case JSAPI2::api_security::ACTION_DISALLOWED:
V_BOOL(pvarResult) = VARIANT_FALSE;
break;
case JSAPI2::api_security::ACTION_ALLOWED:
V_BOOL(pvarResult) = ::paused?VARIANT_TRUE:VARIANT_FALSE;
break;
}
return S_OK;
}
else
return DISP_E_MEMBERNOTFOUND;
}
HRESULT JSAPI2::TransportAPI::GetMetadata(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_BSTR);
if (security.GetActionAuthorization(L"transport", L"metadata", key, info, JSAPI2::api_security::ACTION_PROMPT) == JSAPI2::api_security::ACTION_ALLOWED)
{
wchar_t buffer[4096] = {0};
extendedFileInfoStructW info;
info.filename = FileName;
info.metadata = JSAPI_PARAM(pdispparams, 1).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;
}
HRESULT JSAPI2::TransportAPI::RegisterForEvents(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_DISPATCH, puArgErr);
JSAPI_INIT_RESULT(pvarResult, VT_BOOL);
switch (security.GetActionAuthorization(L"transport", L"events", key, info, JSAPI2::api_security::ACTION_PROMPT))
{
case JSAPI2::api_security::ACTION_DISALLOWED:
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_FALSE);
break;
case JSAPI2::api_security::ACTION_ALLOWED:
{
/** if this is the first time someone is registering an event
** add ourselves to the callback manager
*/
if (events.empty())
JSAPI2::callbackManager.Register(this);
IDispatch *event = JSAPI_PARAM(pdispparams, 1).pdispVal;
event->AddRef();
// TODO: benski> not sure, but we might need to: event->AddRef();
events.push_back(event);
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_TRUE);
}
break;
}
return S_OK;
}
HRESULT JSAPI2::TransportAPI::UnregisterFromEvents(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_DISPATCH, puArgErr);
IDispatch *event = JSAPI_PARAM(pdispparams, 1).pdispVal;
// TODO: benski> not sure, but we might need to: event->Release();
size_t index = events.size();
while(index--)
{
if (events[index] == event)
{
events.erase(events.begin() + index);
event->Release();
}
}
/** if we don't have any more event listeners
** remove ourselves from the callback manager
*/
if (events.empty())
JSAPI2::callbackManager.Deregister(this);
return S_OK;
}
#undef CHECK_ID
#define CHECK_ID(str) case JSAPI_DISP_ENUMIFY(str): return str(wFlags, pdispparams, pvarResult, puArgErr);
HRESULT JSAPI2::TransportAPI::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::TransportAPI::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::TransportAPI::AddRef(void)
{
return InterlockedIncrement(&refCount);
}
ULONG JSAPI2::TransportAPI::Release(void)
{
LONG lRef = InterlockedDecrement(&refCount);
if (lRef == 0) delete this;
return lRef;
}
void JSAPI2::TransportAPI::InvokeEvent(const wchar_t *eventName, JSAPI::CallbackParameters::PropertyTemplate *parameters, size_t parametersCount)
{
size_t index = events.size();
if (0 == index)
{
JSAPI2::callbackManager.Deregister(this);
return;
}
JSAPI::CallbackParameters *eventData= new JSAPI::CallbackParameters;
if (NULL == eventData) return;
eventData->AddString(L"event", eventName);
if (NULL != parameters && 0 != parametersCount)
eventData->AddPropertyIndirect(parameters, parametersCount);
HRESULT hr;
while (index--)
{
IDispatch *pEvent = events[index];
if (NULL != pEvent)
{
hr = JSAPI::InvokeEvent(eventData, pEvent);
if (FAILED(hr) && SCRIPT_E_REPORTED != hr)
{
events.erase(events.begin() + index);
pEvent->Release();
}
}
}
if (events.empty())
JSAPI2::callbackManager.Deregister(this);
eventData->Release();
}
void JSAPI2::TransportAPI::OnStop(int position, int is_full_stop)
{
if (!is_full_stop)
{
JSAPI::CallbackParameters::PropertyTemplate parameter =
{JSAPI::CallbackParameters::typeLong, L"position", (ULONG_PTR)position};
InvokeEvent(L"OnStop", &parameter, 1);
}
else
{
InvokeEvent(L"OnEndOfFile", NULL, 0);
}
}
void JSAPI2::TransportAPI::OnPlay(const wchar_t *filename)
{
JSAPI::CallbackParameters::PropertyTemplate parameter =
{JSAPI::CallbackParameters::typeString, L"filename", (ULONG_PTR)filename};
InvokeEvent(L"OnPlay", &parameter, 1);
}
void JSAPI2::TransportAPI::OnPause(bool pause_state)
{
JSAPI::CallbackParameters::PropertyTemplate parameter =
{JSAPI::CallbackParameters::typeBool, L"paused", (ULONG_PTR)pause_state};
InvokeEvent(L"OnPause", &parameter, 1);
}