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// Copyright (c) 2010 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 CEEE_IE_PLUGIN_BHO_HTTP_NEGOTIATE_H_
#define CEEE_IE_PLUGIN_BHO_HTTP_NEGOTIATE_H_
#include <atlbase.h>
#include <shdeprecated.h>
#include "base/basictypes.h"
// Typedefs for IHttpNegotiate methods.
typedef HRESULT (STDMETHODCALLTYPE* IHttpNegotiate_BeginningTransaction_Fn)(
IHttpNegotiate* me, LPCWSTR url, LPCWSTR headers, DWORD reserved,
LPWSTR* additional_headers);
typedef HRESULT (STDMETHODCALLTYPE* IHttpNegotiate_OnResponse_Fn)(
IHttpNegotiate* me, DWORD response_code, LPCWSTR response_header,
LPCWSTR request_header, LPWSTR* additional_request_headers);
// Typedefs for IBindStatusCallback methods.
typedef HRESULT (STDMETHODCALLTYPE* IBindStatusCallback_StartBinding_Fn)(
IBindStatusCallback* me, DWORD reserved, IBinding *binding);
typedef HRESULT (STDMETHODCALLTYPE* IBindStatusCallback_OnProgress_Fn)(
IBindStatusCallback* me, ULONG progress, ULONG progress_max,
ULONG status_code, LPCWSTR status_text);
// Typedefs for IInternetProtocolSink methods.
typedef HRESULT (STDMETHODCALLTYPE* IInternetProtocolSink_ReportProgress_Fn)(
IInternetProtocolSink* me, ULONG status_code, LPCWSTR status_text);
// Patches methods of urlmon's IHttpNegotiate implementation for the purposes
// of adding to the http user agent header.
class HttpNegotiatePatch {
private:
// Class is not to be instantiated at the moment.
HttpNegotiatePatch();
~HttpNegotiatePatch();
public:
static bool Initialize();
static void Uninitialize();
// IHttpNegotiate patch methods
static STDMETHODIMP BeginningTransaction(
IHttpNegotiate_BeginningTransaction_Fn original, IHttpNegotiate* me,
LPCWSTR url, LPCWSTR headers, DWORD reserved, LPWSTR* additional_headers);
static STDMETHODIMP OnResponse(IHttpNegotiate_OnResponse_Fn original,
IHttpNegotiate* me, DWORD response_code, LPCWSTR response_headers,
LPCWSTR request_headers, LPWSTR* additional_request_headers);
protected:
static HRESULT PatchHttpNegotiate(IUnknown* to_patch);
private:
// Count number of BHOs depending on this patch.
// Unhook when the last one goes away.
static CComAutoCriticalSection bho_instance_count_crit_;
static int bho_instance_count_;
DISALLOW_COPY_AND_ASSIGN(HttpNegotiatePatch);
};
// Attempts to get to the associated browser service for an active request.
HRESULT GetBrowserServiceFromProtocolSink(IInternetProtocolSink* sink,
IBrowserService** browser_service);
#endif // CEEE_IE_PLUGIN_BHO_HTTP_NEGOTIATE_H_
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