winamp/Src/omBrowser/browserClass.cpp

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2024-09-24 12:54:57 +00:00
#include "main.h"
#include "./browserClass.h"
#include "./browserRegistry.h"
#include "./configIni.h"
#include <strsafe.h>
OmBrowserClass::OmBrowserClass(LPCWSTR pszName)
: ref(1), name(NULL), config(NULL), registry(NULL)
{
InitializeCriticalSection(&lock);
name = Plugin_CopyString(pszName);
}
OmBrowserClass::~OmBrowserClass()
{
if (NULL != config)
config->Release();
if (NULL != registry)
{
registry->Delete();
registry->Release();
}
Plugin_FreeString(name);
DeleteCriticalSection(&lock);
}
HRESULT OmBrowserClass::CreateInstance(LPCWSTR pszName, OmBrowserClass **instance)
{
if (NULL == instance) return E_POINTER;
*instance = NULL;
*instance = new OmBrowserClass(pszName);
if (NULL == *instance) return E_OUTOFMEMORY;
return S_OK;
}
size_t OmBrowserClass::AddRef()
{
return InterlockedIncrement((LONG*)&ref);
}
size_t OmBrowserClass::Release()
{
if (0 == ref)
return ref;
LONG r = InterlockedDecrement((LONG*)&ref);
if (0 == r)
{
if (NULL != name && L'\0' != *name)
Plugin_UnregisterBrowserClass(name);
delete(this);
}
return r;
}
int OmBrowserClass::QueryInterface(GUID interface_guid, void **object)
{
if (NULL == object) return E_POINTER;
if (IsEqualIID(interface_guid, IFC_OmBrowserClass))
*object = static_cast<ifc_ombrowserclass*>(this);
else
{
*object = NULL;
return E_NOINTERFACE;
}
if (NULL == *object)
return E_UNEXPECTED;
AddRef();
return S_OK;
}
HRESULT OmBrowserClass::GetName(LPWSTR pszBuffer, INT cchBufferMax)
{
if (NULL == pszBuffer) return E_POINTER;
return StringCchCopyEx(pszBuffer, cchBufferMax, name, NULL, NULL, STRSAFE_IGNORE_NULLS);
}
HRESULT OmBrowserClass::IsEqual(LPCWSTR pszName)
{
if (NULL == pszName || L'\0' == *pszName)
return E_INVALIDARG;
if (NULL == name)
return E_UNEXPECTED;
INT result = CompareString(CSTR_INVARIANT, NORM_IGNORECASE, pszName, -1, name, -1);
if (0 == result)
{
DWORD errorCode = GetLastError();
return HRESULT_FROM_WIN32(errorCode);
}
return (CSTR_EQUAL == result) ? S_OK : S_FALSE;
}
HRESULT OmBrowserClass::GetConfig(ifc_omconfig **instance)
{
if (NULL == instance) return E_POINTER;
*instance = NULL;
HRESULT hr = S_OK;
EnterCriticalSection(&lock);
if (NULL == config)
{
hr = OmConfigIni::CreateInstance(name, &config);
if (FAILED(hr))
{
config = NULL;
}
}
if (SUCCEEDED(hr))
{
*instance = config;
config->AddRef();
}
LeaveCriticalSection(&lock);
return S_OK;
}
HRESULT OmBrowserClass::GetRegistry(ifc_ombrowserregistry **instance)
{
if (NULL == instance) return E_POINTER;
*instance = NULL;
HRESULT hr = S_OK;
EnterCriticalSection(&lock);
if (NULL == registry)
{
hr = OmBrowserRegistry::CreateInstance(name, &registry);
if (FAILED(hr))
{
registry = NULL;
}
else
{
registry->Write();
}
}
if (SUCCEEDED(hr))
{
*instance = registry;
registry->AddRef();
}
LeaveCriticalSection(&lock);
return S_OK;
}
HRESULT OmBrowserClass::UpdateRegColors()
{
HRESULT hr = S_FALSE;
EnterCriticalSection(&lock);
if (NULL != registry)
hr = registry->UpdateColors();
LeaveCriticalSection(&lock);
return hr;
}
#define CBCLASS OmBrowserClass
START_DISPATCH;
CB(ADDREF, AddRef)
CB(RELEASE, Release)
CB(QUERYINTERFACE, QueryInterface)
CB(API_GETNAME, GetName)
CB(API_ISEQUAL, IsEqual)
CB(API_GETCONFIG, GetConfig)
CB(API_GETREGISTRY, GetRegistry)
CB(API_UPDATEREGCOLORS, UpdateRegColors)
END_DISPATCH;
#undef CBCLASS