winamp/Src/Plugins/Library/ml_nowplaying/service.cpp

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2024-09-24 12:54:57 +00:00
#include "main.h"
#include "./service.h"
#include "./wasabi.h"
#include "./resource.h"
#include "../replicant/nu/Autowide.h"
#include "../winamp/wa_ipc.h"
#include <strsafe.h>
#define IS_INVALIDISPATCH(__disp) (((IDispatch *)1) == (__disp) || NULL == (__disp))
OmService::OmService(UINT nId)
: ref(1), id(nId), name(NULL), url(NULL), icon(NULL)
{
}
OmService::~OmService()
{
Plugin_FreeResString(name);
Plugin_FreeString(url);
Plugin_FreeResString(icon);
}
HRESULT OmService::CreateInstance(OmService **instance)
{
if (NULL == instance) return E_POINTER;
*instance = NULL;
OmService *service = new OmService(SERVICE_ID);
if (NULL == service) return E_OUTOFMEMORY;
wchar_t nowplayingurl[1024] = {0};
lstrcpynW(nowplayingurl, AutoWide(g_config->ReadString("nowplayingurl","")), ARRAYSIZE(nowplayingurl));
service->SetName(MAKEINTRESOURCE(IDS_SERVICE_NAME));
service->SetUrl((nowplayingurl[0] ? nowplayingurl : SERVICE_HOMEURL));
service->SetIcon(MAKEINTRESOURCE(IDR_SERVICE_ICON));
*instance = service;
return S_OK;
}
size_t OmService::AddRef()
{
return InterlockedIncrement((LONG*)&ref);
}
size_t OmService::Release()
{
if (0 == ref)
return ref;
LONG r = InterlockedDecrement((LONG*)&ref);
if (0 == r)
delete(this);
return r;
}
int OmService::QueryInterface(GUID interface_guid, void **object)
{
if (NULL == object) return E_POINTER;
if (IsEqualIID(interface_guid, IFC_OmService))
*object = static_cast<ifc_omservice*>(this);
else
{
*object = NULL;
return E_NOINTERFACE;
}
if (NULL == *object)
return E_UNEXPECTED;
AddRef();
return S_OK;
}
unsigned int OmService::GetId()
{
return id;
}
HRESULT OmService::GetName(wchar_t *pszBuffer, int cchBufferMax)
{
return Plugin_CopyResString(pszBuffer, cchBufferMax, name);
}
HRESULT OmService::GetUrl(wchar_t *pszBuffer, int cchBufferMax)
{
return StringCchCopyEx(pszBuffer, cchBufferMax, url, NULL, NULL, STRSAFE_IGNORE_NULLS);
}
HRESULT OmService::GetIcon(wchar_t *pszBuffer, int cchBufferMax)
{
if (NULL != icon && IS_INTRESOURCE(icon))
{
WCHAR szPath[2*MAX_PATH] = {0};
if (0 == GetModuleFileName(Plugin_GetInstance(), szPath, ARRAYSIZE(szPath)))
return E_FAIL;
return StringCchPrintf(pszBuffer, cchBufferMax, L"res://%s/#%d/#%d", szPath, RT_RCDATA, icon);
}
return StringCchCopyEx(pszBuffer, cchBufferMax, icon, NULL, NULL, STRSAFE_IGNORE_NULLS);
}
HRESULT OmService::GetExternal(IDispatch **ppDispatch)
{
if (NULL == ppDispatch)
return E_POINTER;
*ppDispatch = NULL;
HWND hWinamp = Plugin_GetWinamp();
if (NULL == hWinamp)
return E_UNEXPECTED;
// So far we do not use JSAPI2 in nowplaying
// // try JSAPI2 first
// WCHAR szBuffer[64] = {0};
// if (SUCCEEDED(StringCchPrintfW(szBuffer, ARRAYSIZE(szBuffer), L"%u", id)))
// *ppDispatch = (IDispatch*)SENDWAIPC(hWinamp, IPC_JSAPI2_GET_DISPATCH_OBJECT, (WPARAM)szBuffer);
if (IS_INVALIDISPATCH(*ppDispatch))
{ // try JSAPI1
*ppDispatch = (IDispatch*)SENDWAIPC(hWinamp, IPC_GET_DISPATCH_OBJECT, 0);
if (IS_INVALIDISPATCH(*ppDispatch))
{ // Fail
*ppDispatch = NULL;
return E_FAIL;
}
}
return S_OK;
}
HRESULT OmService::SetName(LPCWSTR pszName)
{
Plugin_FreeResString(name);
name = Plugin_DuplicateResString(pszName);
return S_OK;
}
HRESULT OmService::SetUrl(LPCWSTR pszUrl)
{
Plugin_FreeString(url);
url = Plugin_CopyString(pszUrl);
return S_OK;
}
HRESULT OmService::SetIcon(LPCWSTR pszIcon)
{
Plugin_FreeResString(icon);
icon = Plugin_DuplicateResString(pszIcon);
return S_OK;
}
#define CBCLASS OmService
START_DISPATCH;
CB(ADDREF, AddRef)
CB(RELEASE, Release)
CB(QUERYINTERFACE, QueryInterface)
CB(API_GETID, GetId)
CB(API_GETNAME, GetName)
CB(API_GETURL, GetUrl)
CB(API_GETICON, GetIcon)
CB(API_GETEXTERNAL, GetExternal)
END_DISPATCH;
#undef CBCLASS