Callback.h

// sktoolslib - common files for SK tools

// Copyright (C) 2012, 2020 - Stefan Kueng

// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//

#pragma once

#include <string>

class CCallback : public IBindStatusCallback
    , public IAuthenticate
    , public IHttpSecurity
{
public:
    CCallback();
    ~CCallback();

    void SetAuthData(const std::wstring& username, const std::wstring& password)
    {
        m_username = username;
        m_password = password;
    }

    // IHttpSecurity method
    STDMETHOD(OnSecurityProblem)
    (DWORD /*dwProblem*/)
    {
        return S_OK;
    }

    STDMETHOD(GetWindow)
    (
        REFGUID /*rguidReason*/,
        HWND* /*phwnd*/)
    {
        return E_NOTIMPL;
    }

    // IAuthenticate method
    STDMETHOD(Authenticate)
    (
        HWND*   phwnd,
        LPWSTR* pszUsername,
        LPWSTR* pszPassword);

    // IBindStatusCallback methods.  Note that the only method called by IE
    // is OnProgress(), so the others just return E_NOTIMPL.

    STDMETHOD(OnStartBinding)
    (
        DWORD /*dwReserved*/,
        IBinding __RPC_FAR* /*pib*/)
    {
        return E_NOTIMPL;
    }

    STDMETHOD(GetPriority)
    (
        LONG __RPC_FAR* /*pnPriority*/)
    {
        return E_NOTIMPL;
    }

    STDMETHOD(OnLowResource)
    (
        DWORD /*reserved*/)
    {
        return E_NOTIMPL;
    }

    STDMETHOD(OnProgress)
    (
        ULONG /*ulProgress*/,
        ULONG /*ulProgressMax*/,
        ULONG /*ulStatusCode*/,
        LPCWSTR /*wszStatusText*/)
    {
        return S_OK;
    }

    STDMETHOD(OnStopBinding)
    (
        HRESULT /*hresult*/,
        LPCWSTR /*szError*/)
    {
        return E_NOTIMPL;
    }

    STDMETHOD(GetBindInfo)
    (
        DWORD    __RPC_FAR* /*grfBINDF*/,
        BINDINFO __RPC_FAR* /*pbindinfo*/)
    {
        return E_NOTIMPL;
    }

    STDMETHOD(OnDataAvailable)
    (
        DWORD /*grfBSCF*/,
        DWORD /*dwSize*/,
        FORMATETC __RPC_FAR* /*pformatetc*/,
        STGMEDIUM __RPC_FAR* /*pstgmed*/)
    {
        return E_NOTIMPL;
    }

    STDMETHOD(OnObjectAvailable)
    (
        REFIID /*riid*/, IUnknown __RPC_FAR* /*punk*/)
    {
        return E_NOTIMPL;
    }

    // IUnknown methods.  Note that IE never calls any of these methods, since
    // the caller owns the IBindStatusCallback interface, so the methods all
    // return zero/E_NOTIMPL.

    STDMETHOD_(ULONG, AddRef)
    ()
    {
        return 0;
    }

    STDMETHOD_(ULONG, Release)
    ()
    {
        return 0;
    }

    STDMETHOD(QueryInterface)
    (
        REFIID riid, void __RPC_FAR* __RPC_FAR* ppvObject)
    {
        if (riid == IID_IAuthenticate)
        {
            *ppvObject = (void*)(IAuthenticate*)this;
            return S_OK;
        }
        else if (riid == IID_IUnknown)
        {
            *ppvObject = (void*)(IUnknown*)(IBindStatusCallback*)this;
            return S_OK;
        }
        else if (riid == IID_IBindStatusCallback)
        {
            *ppvObject = (void*)(IBindStatusCallback*)this;
            return S_OK;
        }
        else if (riid == IID_IHttpSecurity)
        {
            *ppvObject = (void*)(IHttpSecurity*)this;
            return S_OK;
        }
        else if (riid == IID_IWindowForBindingUI)
        {
            *ppvObject = (void*)(IWindowForBindingUI*)this;
            return S_OK;
        }
        return E_NOINTERFACE;
    }

private:
    ULONG        m_cRef;
    std::wstring m_username;
    std::wstring m_password;
};