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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_FRAME_BIND_STATUS_CALLBACK_IMPL_H_
#define CHROME_FRAME_BIND_STATUS_CALLBACK_IMPL_H_
#include <atlbase.h>
#include <atlcom.h>
#include <string>
#include <urlmon.h>
#include "base/win/scoped_comptr.h"
#include "chrome_frame/utils.h"
// A generic base class for IBindStatus callback implementation.
// If initialized with delegate, it will hand over all the calls
// to the delegate. This can also be used as a base class to
// provide the base implementation by not providing any delegate.
class BSCBImpl
: public CComObjectRootEx<CComMultiThreadModel>,
public IBindStatusCallbackEx,
public IHttpNegotiate3,
public IServiceProvider {
public:
BSCBImpl();
~BSCBImpl();
BEGIN_COM_MAP(BSCBImpl)
COM_INTERFACE_ENTRY(IBindStatusCallback)
COM_INTERFACE_ENTRY(IHttpNegotiate)
COM_INTERFACE_ENTRY_IF_DELEGATE_SUPPORTS(IBindStatusCallbackEx)
COM_INTERFACE_ENTRY_IF_DELEGATE_SUPPORTS(IHttpNegotiate2)
COM_INTERFACE_ENTRY_IF_DELEGATE_SUPPORTS(IHttpNegotiate3)
COM_INTERFACE_ENTRY_IF_DELEGATE_SUPPORTS(IServiceProvider)
COM_INTERFACE_ENTRY_FUNC_BLIND(0, DelegateQI)
END_COM_MAP()
static STDMETHODIMP DelegateQI(void* obj, REFIID iid, void** ret,
DWORD cookie);
void Initialize(IBindStatusCallback* original);
HRESULT AttachToBind(IBindCtx* original);
HRESULT ReleaseBind();
// For the COM_INTERFACE_ENTRY_IF_DELEGATE_SUPPORTS macro.
IBindStatusCallback* delegate() const {
return delegate_;
}
IBindCtx* bind_ctx() const {
return bind_ctx_;
}
// IServiceProvider
STDMETHOD(QueryService)(REFGUID service, REFIID iid, void** object);
// IBindStatusCallback
STDMETHOD(OnStartBinding)(DWORD reserved, IBinding* binding);
STDMETHOD(GetPriority)(LONG* priority);
STDMETHOD(OnLowResource)(DWORD reserved);
STDMETHOD(OnProgress)(ULONG progress, ULONG progress_max, ULONG status_code,
LPCWSTR status_text);
STDMETHOD(OnStopBinding)(HRESULT hresult, LPCWSTR error);
STDMETHOD(GetBindInfo)(DWORD* bindf, BINDINFO* bind_info);
STDMETHOD(OnDataAvailable)(DWORD bscf, DWORD size, FORMATETC* format_etc,
STGMEDIUM* stgmed);
STDMETHOD(OnObjectAvailable)(REFIID iid, IUnknown* unk);
// IBindStatusCallbackEx
STDMETHOD(GetBindInfoEx)(DWORD* bindf, BINDINFO* bind_info, DWORD* bindf2,
DWORD* reserved);
// IHttpNegotiate
STDMETHOD(BeginningTransaction)(LPCWSTR url, LPCWSTR headers, DWORD reserved,
LPWSTR* additional_headers);
STDMETHOD(OnResponse)(DWORD response_code, LPCWSTR response_headers,
LPCWSTR request_headers, LPWSTR* additional_headers);
// IHttpNegotiate2
STDMETHOD(GetRootSecurityId)(BYTE* security_id, DWORD* security_id_size,
DWORD_PTR reserved);
// IHttpNegotiate3
STDMETHOD(GetSerializedClientCertContext)(BYTE** cert, DWORD* cert_size);
protected:
// used for logging.
std::string me();
base::win::ScopedComPtr<IBindStatusCallback> delegate_;
base::win::ScopedComPtr<IBindCtx> bind_ctx_;
private:
DISALLOW_COPY_AND_ASSIGN(BSCBImpl);
};
#endif // CHROME_FRAME_BIND_STATUS_CALLBACK_IMPL_H_
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