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/ready_mode/internal/ready_mode_web_browser_adapter.h" 6 7 #include "base/logging.h" 8 #include "base/win/win_util.h" 9 #include "chrome_frame/chrome_tab.h" 10 11 _ATL_FUNC_INFO ReadyModeWebBrowserAdapter::kBeforeNavigate2Info = { 12 CC_STDCALL, VT_EMPTY, 7, { 13 VT_DISPATCH, 14 VT_VARIANT | VT_BYREF, 15 VT_VARIANT | VT_BYREF, 16 VT_VARIANT | VT_BYREF, 17 VT_VARIANT | VT_BYREF, 18 VT_VARIANT | VT_BYREF, 19 VT_BOOL | VT_BYREF 20 } 21 }; 22 23 _ATL_FUNC_INFO ReadyModeWebBrowserAdapter::kDocumentCompleteInfo = { 24 CC_STDCALL, VT_EMPTY, 2, { 25 VT_DISPATCH, 26 VT_VARIANT | VT_BYREF 27 } 28 }; 29 30 _ATL_FUNC_INFO ReadyModeWebBrowserAdapter::kOnQuitInfo = { 31 CC_STDCALL, VT_EMPTY, 0, {NULL}}; 32 33 ReadyModeWebBrowserAdapter::ReadyModeWebBrowserAdapter() { 34 } 35 36 bool ReadyModeWebBrowserAdapter::Initialize(IWebBrowser2* web_browser, 37 Observer* observer) { 38 base::win::ScopedComPtr<ReadyModeWebBrowserAdapter, NULL> self(this); 39 40 DCHECK(web_browser != NULL); 41 DCHECK(web_browser_ == NULL); 42 DCHECK(observer != NULL); 43 DCHECK(observer_ == NULL); 44 45 observer_.reset(observer); 46 47 web_browser->AddRef(); 48 web_browser_.Attach(web_browser); 49 50 HRESULT hr = DispEventAdvise(web_browser_, &DIID_DWebBrowserEvents2); 51 if (FAILED(hr)) { 52 observer_.reset(); 53 web_browser_.Release(); 54 DLOG(ERROR) << "DispEventAdvise failed. Error: " << hr; 55 } 56 57 return SUCCEEDED(hr); 58 } 59 60 void ReadyModeWebBrowserAdapter::Uninitialize() { 61 // DispEventUnadvise will free the WebBrowser's reference to us. In case 62 // that's the last reference, take a temporary reference in this function's 63 // scope to allow us to finish the cleanup we would otherwise like to do. 64 base::win::ScopedComPtr<ReadyModeWebBrowserAdapter, NULL> self(this); 65 66 observer_.reset(); 67 68 DCHECK(web_browser_ != NULL); 69 if (web_browser_ == NULL) 70 return; 71 72 HRESULT hr = DispEventUnadvise(web_browser_, &DIID_DWebBrowserEvents2); 73 if (FAILED(hr)) { 74 DLOG(ERROR) << "DispEventUnadvise failed. Error: " << hr; 75 } else { 76 web_browser_.Release(); 77 } 78 } 79 80 STDMETHODIMP_(void) ReadyModeWebBrowserAdapter::OnQuit() { 81 Uninitialize(); 82 } 83 84 STDMETHODIMP ReadyModeWebBrowserAdapter::BeforeNavigate2( 85 IDispatch* /*dispatch*/, VARIANT* url, VARIANT* /*flags*/, 86 VARIANT* /*target_frame_name*/, VARIANT* /*post_data*/, 87 VARIANT* /*headers*/, VARIANT_BOOL* /*cancel*/) { 88 if (observer_ != NULL) 89 observer_->OnNavigateTo(url->bstrVal); 90 91 return S_OK; 92 } 93 94 STDMETHODIMP_(void) ReadyModeWebBrowserAdapter::DocumentComplete( 95 IDispatch* /*dispatch*/, VARIANT* url) { 96 if (!url || V_VT(url) != VT_BSTR || url->bstrVal == NULL) 97 return; 98 99 if (observer_ == NULL) 100 return; 101 102 base::win::ScopedComPtr<IDispatch> doc_disp; 103 web_browser_->get_Document(doc_disp.Receive()); 104 if (!doc_disp) 105 return; 106 107 base::win::ScopedComPtr<IChromeFrame> chrome_frame_doc; 108 chrome_frame_doc.QueryFrom(doc_disp); 109 110 if (chrome_frame_doc) 111 observer_->OnRenderInChromeFrame(url->bstrVal); 112 else 113 observer_->OnRenderInHost(url->bstrVal); 114 } 115
