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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.
#include "chrome_frame/bind_context_info.h"
#include "chrome_frame/utils.h"
// This is non const due to API expectations
static wchar_t* kBindContextInfo = L"_CHROMEFRAME_BIND_CONTEXT_INFO_";
// BindContextInfo member definitions.
BindContextInfo::BindContextInfo()
: no_cache_(false),
chrome_request_(false),
is_switching_(false) {
}
BindContextInfo::~BindContextInfo() {
}
HRESULT BindContextInfo::Initialize(IBindCtx* bind_ctx) {
DCHECK(bind_ctx);
DCHECK(!ftm_);
HRESULT hr = CoCreateFreeThreadedMarshaler(GetUnknown(), ftm_.Receive());
DCHECK(ftm_);
if (SUCCEEDED(hr)) {
hr = bind_ctx->RegisterObjectParam(kBindContextInfo, GetUnknown());
}
DCHECK(SUCCEEDED(hr)) << "Failed to initialize BindContextInfo";
return hr;
}
BindContextInfo* BindContextInfo::FromBindContext(IBindCtx* bind_context) {
if (!bind_context) {
NOTREACHED();
return NULL;
}
ScopedComPtr<IUnknown> context;
bind_context->GetObjectParam(kBindContextInfo, context.Receive());
if (context) {
ScopedComPtr<IBindContextInfoInternal> internal;
HRESULT hr = internal.QueryFrom(context);
DCHECK(SUCCEEDED(hr));
if (SUCCEEDED(hr)) {
BindContextInfo* ret = NULL;
internal->GetCppObject(reinterpret_cast<void**>(&ret));
DCHECK(ret);
DLOG_IF(ERROR, reinterpret_cast<void*>(ret) !=
reinterpret_cast<void*>(internal.get()))
<< "marshalling took place!";
return ret;
}
}
CComObject<BindContextInfo>* bind_context_info = NULL;
HRESULT hr = CComObject<BindContextInfo>::CreateInstance(&bind_context_info);
DCHECK(bind_context_info != NULL);
if (bind_context_info) {
bind_context_info->AddRef();
hr = bind_context_info->Initialize(bind_context);
bind_context_info->Release();
if (FAILED(hr))
bind_context_info = NULL;
}
return bind_context_info;
}
void BindContextInfo::SetToSwitch(IStream* cache) {
is_switching_ = true;
if (!no_cache_) {
cache_ = cache;
RewindStream(cache_);
}
}
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