Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 1 | // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "chrome_frame/bind_context_info.h" |
| 6 | #include "chrome_frame/utils.h" |
| 7 | |
| 8 | // This is non const due to API expectations |
| 9 | static wchar_t* kBindContextInfo = L"_CHROMEFRAME_BIND_CONTEXT_INFO_"; |
| 10 | |
| 11 | // BindContextInfo member definitions. |
| 12 | BindContextInfo::BindContextInfo() |
| 13 | : no_cache_(false), |
| 14 | chrome_request_(false), |
| 15 | is_switching_(false) { |
| 16 | } |
| 17 | |
| 18 | BindContextInfo::~BindContextInfo() { |
| 19 | } |
| 20 | |
| 21 | HRESULT BindContextInfo::Initialize(IBindCtx* bind_ctx) { |
| 22 | DCHECK(bind_ctx); |
| 23 | DCHECK(!ftm_); |
| 24 | HRESULT hr = CoCreateFreeThreadedMarshaler(GetUnknown(), ftm_.Receive()); |
| 25 | DCHECK(ftm_); |
| 26 | if (SUCCEEDED(hr)) { |
| 27 | hr = bind_ctx->RegisterObjectParam(kBindContextInfo, GetUnknown()); |
| 28 | } |
| 29 | |
| 30 | DCHECK(SUCCEEDED(hr)) << "Failed to initialize BindContextInfo"; |
| 31 | return hr; |
| 32 | } |
| 33 | |
| 34 | HRESULT BindContextInfo::FromBindContext(IBindCtx* bind_context, |
| 35 | BindContextInfo** info) { |
| 36 | DCHECK(info); |
| 37 | if (!bind_context) { |
| 38 | NOTREACHED(); |
| 39 | return E_POINTER; |
| 40 | } |
| 41 | |
| 42 | base::win::ScopedComPtr<IUnknown> context; |
| 43 | HRESULT hr = bind_context->GetObjectParam(kBindContextInfo, |
| 44 | context.Receive()); |
| 45 | if (context) { |
| 46 | base::win::ScopedComPtr<IBindContextInfoInternal> internal; |
| 47 | hr = internal.QueryFrom(context); |
| 48 | if (SUCCEEDED(hr)) { |
| 49 | hr = internal->GetCppObject(reinterpret_cast<void**>(info)); |
| 50 | DCHECK_EQ(hr, S_OK); |
| 51 | DLOG_IF(ERROR, *info != static_cast<BindContextInfo*>(internal.get())) |
| 52 | << "marshalling took place!"; |
| 53 | } |
| 54 | } else { |
| 55 | DCHECK(FAILED(hr)); |
| 56 | CComObject<BindContextInfo>* bind_context_info = NULL; |
| 57 | hr = CComObject<BindContextInfo>::CreateInstance(&bind_context_info); |
| 58 | DCHECK(bind_context_info != NULL); |
| 59 | if (bind_context_info) { |
| 60 | bind_context_info->AddRef(); |
| 61 | hr = bind_context_info->Initialize(bind_context); |
| 62 | if (FAILED(hr)) { |
| 63 | bind_context_info->Release(); |
| 64 | } else { |
| 65 | *info = bind_context_info; |
| 66 | } |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | return hr; |
| 71 | } |
| 72 | |
| 73 | void BindContextInfo::SetToSwitch(IStream* cache) { |
| 74 | is_switching_ = true; |
| 75 | if (!no_cache_) { |
| 76 | cache_ = cache; |
| 77 | RewindStream(cache_); |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | std::wstring BindContextInfo::GetUrl() { |
| 82 | if (has_prot_data()) { |
| 83 | return prot_data_->url(); |
| 84 | } |
| 85 | return std::wstring(); |
| 86 | } |
| 87 | |