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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 CHROME_FRAME_BIND_CONTEXT_INFO_
#define CHROME_FRAME_BIND_CONTEXT_INFO_
#include <atlbase.h>
#include <atlcom.h>
#include "base/scoped_bstr_win.h"
#include "base/scoped_comptr_win.h"
class __declspec(uuid("71CC3EC7-7E8A-457f-93BC-1090CF31CC18"))
IBindContextInfoInternal : public IUnknown {
public:
STDMETHOD(GetCppObject)(void** me) = 0;
};
// This class maintains contextual information used by ChromeFrame.
// This information is maintained in the bind context.
class BindContextInfo
: public IBindContextInfoInternal,
public CComObjectRoot {
public:
BindContextInfo();
~BindContextInfo();
BEGIN_COM_MAP(BindContextInfo)
COM_INTERFACE_ENTRY(IBindContextInfoInternal)
COM_INTERFACE_ENTRY_AGGREGATE(IID_IMarshal, ftm_)
END_COM_MAP()
// Returns the BindContextInfo instance associated with the bind
// context. Creates it if needed.
static BindContextInfo* FromBindContext(IBindCtx* bind_context);
void set_chrome_request(bool chrome_request) {
chrome_request_ = chrome_request;
}
bool chrome_request() const {
return chrome_request_;
}
void set_no_cache(bool no_cache) {
no_cache_ = no_cache;
}
bool no_cache() const {
return no_cache_;
}
bool is_switching() const {
return is_switching_;
}
void SetToSwitch(IStream* cache);
IStream* cache() {
return cache_;
}
// Accept a const wchar_t* to ensure that we don't have a reference
// to someone else's buffer.
void set_url(const wchar_t* url) {
DCHECK(url);
if (url) {
url_ = url;
} else {
url_.clear();
}
}
const std::wstring& url() const {
return url_;
}
protected:
STDMETHOD(GetCppObject)(void** me) {
DCHECK(me);
*me = static_cast<BindContextInfo*>(this);
return S_OK;
}
HRESULT Initialize(IBindCtx* bind_ctx);
private:
ScopedComPtr<IStream> cache_;
bool no_cache_;
bool chrome_request_;
bool is_switching_;
std::wstring url_;
ScopedComPtr<IUnknown> ftm_;
DISALLOW_COPY_AND_ASSIGN(BindContextInfo);
};
#endif // CHROME_FRAME_BIND_CONTEXT_INFO_
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