objectsafetyimpl.cpp

来自「GUI Programming With Qt4 的书付源码」· C++ 代码 · 共 33 行

#include <QtGui>

#include "objectsafetyimpl.h"

long ObjectSafetyImpl::queryInterface(const QUuid &iid, void **iface)
{
    *iface = 0;
    if (iid == IID_IObjectSafety) {
        *iface = static_cast<IObjectSafety *>(this);
    } else {
        return E_NOINTERFACE;
    }
    AddRef();
    return S_OK;
}

HRESULT WINAPI ObjectSafetyImpl::GetInterfaceSafetyOptions(
        REFIID /* riid */, DWORD *pdwSupportedOptions,
        DWORD *pdwEnabledOptions)
{
    *pdwSupportedOptions = INTERFACESAFE_FOR_UNTRUSTED_DATA
                           | INTERFACESAFE_FOR_UNTRUSTED_CALLER;
    *pdwEnabledOptions = *pdwSupportedOptions;
    return S_OK;
}

HRESULT WINAPI ObjectSafetyImpl::SetInterfaceSafetyOptions(
        REFIID /* riid */, DWORD /* pdwSupportedOptions */,
        DWORD /* pdwEnabledOptions */)
{
    return S_OK;
}