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chrome_active_document.cc
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// Copyright (c) 2011 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.
// Implementation of ChromeActiveDocument
#include "chrome_frame/chrome_active_document.h"
#include <hlink.h>
#include <htiface.h>
#include <initguid.h>
#include <mshtmcid.h>
#include <shdeprecated.h>
#include <shlguid.h>
#include <shlobj.h>
#include <shobjidl.h>
#include <tlogstg.h>
#include <urlmon.h>
#include <wininet.h>
#include "base/command_line.h"
#include "base/debug/trace_event.h"
#include "base/logging.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/win/scoped_variant.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/app/chrome_dll_resource.h"
#include "chrome/common/automation_messages.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/test/automation/browser_proxy.h"
#include "chrome/test/automation/tab_proxy.h"
#include "chrome_frame/bho.h"
#include "chrome_frame/bind_context_info.h"
#include "chrome_frame/buggy_bho_handling.h"
#include "chrome_frame/crash_reporting/crash_metrics.h"
#include "chrome_frame/utils.h"
#include "content/public/browser/invalidate_type.h"
#include "content/public/browser/navigation_type.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/page_zoom.h"
#include "grit/generated_resources.h"
DEFINE_GUID(CGID_DocHostCmdPriv, 0x000214D4L, 0, 0, 0xC0, 0, 0, 0, 0, 0, 0,
0x46);
bool g_first_launch_by_process_ = true;
const DWORD kIEEncodingIdArray[] = {
#define DEFINE_ENCODING_ID_ARRAY(encoding_name, id, chrome_name) encoding_name,
INTERNAL_IE_ENCODINGMENU_IDS(DEFINE_ENCODING_ID_ARRAY)
#undef DEFINE_ENCODING_ID_ARRAY
0 // The Last data must be 0 to indicate the end of the encoding id array.
};
ChromeActiveDocument::ChromeActiveDocument()
: navigation_info_(new NavigationInfo()),
first_navigation_(true),
is_automation_client_reused_(false),
popup_allowed_(false),
accelerator_table_(NULL) {
TRACE_EVENT_BEGIN_ETW("chromeframe.createactivedocument", this, "");
url_fetcher_->set_frame_busting(false);
memset(navigation_info_.get(), 0, sizeof(NavigationInfo));
}
HRESULT ChromeActiveDocument::FinalConstruct() {
// The FinalConstruct implementation in the ChromeFrameActivexBase class
// i.e. Base creates an instance of the ChromeFrameAutomationClient class
// and initializes it, which would spawn a new Chrome process, etc.
// We don't want to be doing this if we have a cached document, whose
// automation client instance can be reused.
HRESULT hr = BaseActiveX::FinalConstruct();
if (FAILED(hr))
return hr;
InitializeAutomationSettings();
find_dialog_.Init(automation_client_.get());
OLECMDF flags = static_cast<OLECMDF>(OLECMDF_ENABLED | OLECMDF_SUPPORTED);
null_group_commands_map_[OLECMDID_PRINT] = flags;
null_group_commands_map_[OLECMDID_FIND] = flags;
null_group_commands_map_[OLECMDID_CUT] = flags;
null_group_commands_map_[OLECMDID_COPY] = flags;
null_group_commands_map_[OLECMDID_PASTE] = flags;
null_group_commands_map_[OLECMDID_SELECTALL] = flags;
null_group_commands_map_[OLECMDID_SAVEAS] = flags;
mshtml_group_commands_map_[IDM_BASELINEFONT1] = flags;
mshtml_group_commands_map_[IDM_BASELINEFONT2] = flags;
mshtml_group_commands_map_[IDM_BASELINEFONT3] = flags;
mshtml_group_commands_map_[IDM_BASELINEFONT4] = flags;
mshtml_group_commands_map_[IDM_BASELINEFONT5] = flags;
mshtml_group_commands_map_[IDM_VIEWSOURCE] = flags;
HMODULE this_module = reinterpret_cast<HMODULE>(&__ImageBase);
accelerator_table_ =
LoadAccelerators(this_module,
MAKEINTRESOURCE(IDR_CHROME_FRAME_IE_FULL_TAB));
DCHECK(accelerator_table_ != NULL);
return S_OK;
}
ChromeActiveDocument::~ChromeActiveDocument() {
DVLOG(1) << __FUNCTION__;
if (find_dialog_.IsWindow())
find_dialog_.DestroyWindow();
// ChromeFramePlugin
BaseActiveX::Uninitialize();
TRACE_EVENT_END_ETW("chromeframe.createactivedocument", this, "");
}
// Override DoVerb
STDMETHODIMP ChromeActiveDocument::DoVerb(LONG verb,
LPMSG msg,
IOleClientSite* active_site,
LONG index,
HWND parent_window,
LPCRECT pos) {
// IE will try and in-place activate us in some cases. This happens when
// the user opens a new IE window with a URL that has us as the DocObject.
// Here we refuse to be activated in-place and we will force IE to UIActivate
// us.
if (OLEIVERB_INPLACEACTIVATE == verb)
return OLEOBJ_E_INVALIDVERB;
// Check if we should activate as a docobject or not
// (client supports IOleDocumentSite)
if (doc_site_) {
switch (verb) {
case OLEIVERB_SHOW: {
base::win::ScopedComPtr<IDocHostUIHandler> doc_host_handler;
doc_host_handler.QueryFrom(doc_site_);
if (doc_host_handler.get())
doc_host_handler->ShowUI(DOCHOSTUITYPE_BROWSE, this, this, NULL, NULL);
}
case OLEIVERB_OPEN:
case OLEIVERB_UIACTIVATE:
if (!m_bUIActive)
return doc_site_->ActivateMe(NULL);
break;
}
}
return IOleObjectImpl<ChromeActiveDocument>::DoVerb(verb,
msg,
active_site,
index,
parent_window,
pos);
}
// Override IOleInPlaceActiveObjectImpl::OnDocWindowActivate
STDMETHODIMP ChromeActiveDocument::OnDocWindowActivate(BOOL activate) {
DVLOG(1) << __FUNCTION__;
return S_OK;
}
STDMETHODIMP ChromeActiveDocument::TranslateAccelerator(MSG* msg) {
DVLOG(1) << __FUNCTION__;
if (msg == NULL)
return E_POINTER;
if (msg->message == WM_KEYDOWN && msg->wParam == VK_TAB) {
HWND focus = ::GetFocus();
if (focus != m_hWnd && !::IsChild(m_hWnd, focus)) {
// The call to SetFocus triggers a WM_SETFOCUS that makes the base class
// set focus to the correct element in Chrome.
::SetFocus(m_hWnd);
return S_OK;
}
}
return S_FALSE;
}
// Override IPersistStorageImpl::IsDirty
STDMETHODIMP ChromeActiveDocument::IsDirty() {
DVLOG(1) << __FUNCTION__;
return S_FALSE;
}
void ChromeActiveDocument::OnAutomationServerReady() {
BaseActiveX::OnAutomationServerReady();
BaseActiveX::GiveFocusToChrome(true);
}
STDMETHODIMP ChromeActiveDocument::Load(BOOL fully_avalable,
IMoniker* moniker_name,
LPBC bind_context,
DWORD mode) {
if (NULL == moniker_name)
return E_INVALIDARG;
base::win::ScopedComPtr<IOleClientSite> client_site;
if (bind_context) {
base::win::ScopedComPtr<IUnknown> site;
bind_context->GetObjectParam(SZ_HTML_CLIENTSITE_OBJECTPARAM,
site.Receive());
if (site)
client_site.QueryFrom(site);
}
if (client_site) {
SetClientSite(client_site);
DoQueryService(IID_INewWindowManager, client_site,
popup_manager_.Receive());
// See if mshtml parsed the html header for us. If so, we need to
// clear the browser service flag that we use to indicate that this
// browser instance is navigating to a CF document.
base::win::ScopedComPtr<IBrowserService> browser_service;
DoQueryService(SID_SShellBrowser, client_site, browser_service.Receive());
if (browser_service) {
bool flagged = CheckForCFNavigation(browser_service, true);
DVLOG_IF(1, flagged) << "Cleared flagged browser service";
}
}
NavigationManager* mgr = NavigationManager::GetThreadInstance();
DLOG_IF(ERROR, !mgr) << "Couldn't get instance of NavigationManager";
std::wstring url;
base::win::ScopedComPtr<BindContextInfo> info;
BindContextInfo::FromBindContext(bind_context, info.Receive());
DCHECK(info);
if (info && !info->GetUrl().empty()) {
url = info->GetUrl();
if (mgr) {
// If the original URL contains an anchor, then the URL queried
// from the protocol sink wrapper does not contain the anchor. To
// workaround this we retrieve the anchor from the navigation manager
// and append it to the url retrieved from the protocol sink wrapper.
GURL url_for_anchor(mgr->url());
if (url_for_anchor.has_ref()) {
url += L"#";
url += UTF8ToWide(url_for_anchor.ref());
}
}
} else {
// If the original URL contains an anchor, then the URL queried
// from the moniker does not contain the anchor. To workaround
// this we retrieve the URL from our BHO.
url = GetActualUrlFromMoniker(moniker_name, bind_context,
mgr ? mgr->url(): std::wstring());
}
ChromeFrameUrl cf_url;
if (!cf_url.Parse(url)) {
DLOG(WARNING) << __FUNCTION__ << " Failed to parse url:" << url;
return E_INVALIDARG;
}
std::string referrer(mgr ? mgr->referrer() : EmptyString());
RendererType renderer_type = cf_url.is_chrome_protocol() ?
RENDERER_TYPE_CHROME_GCF_PROTOCOL : RENDERER_TYPE_UNDETERMINED;
// With CTransaction patch we have more robust way to grab the referrer for
// each top-level-switch-to-CF request by peeking at our sniffing data
// object that lives inside the bind context. We also remember the reason
// we're rendering the document in Chrome.
if (g_patch_helper.state() == PatchHelper::PATCH_PROTOCOL && info) {
scoped_refptr<ProtData> prot_data = info->get_prot_data();
if (prot_data) {
referrer = prot_data->referrer();
renderer_type = prot_data->renderer_type();
}
}
// For gcf: URLs allow only about and view-source schemes to pass through for
// further inspection.
bool is_safe_scheme = cf_url.gurl().SchemeIs(chrome::kAboutScheme) ||
cf_url.gurl().SchemeIs(content::kViewSourceScheme);
if (cf_url.is_chrome_protocol() && !is_safe_scheme &&
!GetConfigBool(false, kAllowUnsafeURLs)) {
DLOG(ERROR) << __FUNCTION__ << " gcf: not allowed:" << url;
return E_INVALIDARG;
}
if (!LaunchUrl(cf_url, referrer)) {
DLOG(ERROR) << __FUNCTION__ << " Failed to launch url:" << url;
return E_INVALIDARG;
}
if (!cf_url.is_chrome_protocol() && !cf_url.attach_to_external_tab())
url_fetcher_->SetInfoForUrl(url.c_str(), moniker_name, bind_context);
// Log a metric indicating why GCF is rendering in Chrome.
// (Note: we only track the renderer type when using the CTransaction patch.
// When the code for the browser service patch and for the moniker patch is
// removed, this conditional can also go away.)
if (RENDERER_TYPE_UNDETERMINED != renderer_type) {
UMA_LAUNCH_TYPE_COUNT(renderer_type);
}
return S_OK;
}
STDMETHODIMP ChromeActiveDocument::Save(IMoniker* moniker_name,
LPBC bind_context,
BOOL remember) {
return E_NOTIMPL;
}
STDMETHODIMP ChromeActiveDocument::SaveCompleted(IMoniker* moniker_name,
LPBC bind_context) {
return E_NOTIMPL;
}
STDMETHODIMP ChromeActiveDocument::GetCurMoniker(IMoniker** moniker_name) {
return E_NOTIMPL;
}
STDMETHODIMP ChromeActiveDocument::GetClassID(CLSID* class_id) {
if (NULL == class_id)
return E_POINTER;
*class_id = GetObjectCLSID();
return S_OK;
}
STDMETHODIMP ChromeActiveDocument::QueryStatus(const GUID* cmd_group_guid,
ULONG number_of_commands,
OLECMD commands[],
OLECMDTEXT* command_text) {
DVLOG(1) << __FUNCTION__;
CommandStatusMap* command_map = NULL;
if (cmd_group_guid) {
if (IsEqualGUID(*cmd_group_guid, GUID_NULL)) {
command_map = &null_group_commands_map_;
} else if (IsEqualGUID(*cmd_group_guid, CGID_MSHTML)) {
command_map = &mshtml_group_commands_map_;
} else if (IsEqualGUID(*cmd_group_guid, CGID_Explorer)) {
command_map = &explorer_group_commands_map_;
} else if (IsEqualGUID(*cmd_group_guid, CGID_ShellDocView)) {
command_map = &shdoc_view_group_commands_map_;
}
} else {
command_map = &null_group_commands_map_;
}
if (!command_map) {
DVLOG(1) << "unsupported command group: " << GuidToString(*cmd_group_guid);
return OLECMDERR_E_NOTSUPPORTED;
}
for (ULONG command_index = 0; command_index < number_of_commands;
command_index++) {
DVLOG(1) << "Command id = " << commands[command_index].cmdID;
CommandStatusMap::iterator index =
command_map->find(commands[command_index].cmdID);
if (index != command_map->end())
commands[command_index].cmdf = index->second;
}
return S_OK;
}
STDMETHODIMP ChromeActiveDocument::Exec(const GUID* cmd_group_guid,
DWORD command_id,
DWORD cmd_exec_opt,
VARIANT* in_args,
VARIANT* out_args) {
DVLOG(1) << __FUNCTION__ << " Cmd id =" << command_id;
// Bail out if we have been uninitialized.
if (automation_client_.get() && automation_client_->tab()) {
return ProcessExecCommand(cmd_group_guid, command_id, cmd_exec_opt,
in_args, out_args);
} else if (command_id == OLECMDID_REFRESH && cmd_group_guid == NULL) {
// If the automation server has crashed and the user is refreshing the
// page, let OnRefreshPage attempt to recover.
OnRefreshPage(cmd_group_guid, command_id, cmd_exec_opt, in_args, out_args);
}
return OLECMDERR_E_NOTSUPPORTED;
}
STDMETHODIMP ChromeActiveDocument::LoadHistory(IStream* stream,
IBindCtx* bind_context) {
// Read notes in ChromeActiveDocument::SaveHistory
DCHECK(stream);
LARGE_INTEGER offset = {0};
ULARGE_INTEGER cur_pos = {0};
STATSTG statstg = {0};
stream->Seek(offset, STREAM_SEEK_CUR, &cur_pos);
stream->Stat(&statstg, STATFLAG_NONAME);
DWORD url_size = statstg.cbSize.LowPart - cur_pos.LowPart;
base::win::ScopedBstr url_bstr;
DWORD bytes_read = 0;
stream->Read(url_bstr.AllocateBytes(url_size), url_size, &bytes_read);
std::wstring url(url_bstr);
ChromeFrameUrl cf_url;
if (!cf_url.Parse(url)) {
DLOG(WARNING) << __FUNCTION__ << " Failed to parse url:" << url;
return E_INVALIDARG;
}
const std::string& referrer = EmptyString();
if (!LaunchUrl(cf_url, referrer)) {
NOTREACHED() << __FUNCTION__ << " Failed to launch url:" << url;
return E_INVALIDARG;
}
return S_OK;
}
STDMETHODIMP ChromeActiveDocument::SaveHistory(IStream* stream) {
// TODO(sanjeevr): We need to fetch the entire list of navigation entries
// from Chrome and persist it in the stream. And in LoadHistory we need to
// pass this list back to Chrome which will recreate the list. This will allow
// Back-Forward navigation to anchors to work correctly when we navigate to a
// page outside of ChromeFrame and then come back.
if (!stream) {
NOTREACHED();
return E_INVALIDARG;
}
LARGE_INTEGER offset = {0};
ULARGE_INTEGER new_pos = {0};
DWORD written = 0;
std::wstring url = UTF8ToWide(navigation_info_->url.spec());
return stream->Write(url.c_str(), (url.length() + 1) * sizeof(wchar_t),
&written);
}
STDMETHODIMP ChromeActiveDocument::SetPositionCookie(DWORD position_cookie) {
if (automation_client_.get()) {
int index = static_cast<int>(position_cookie);
navigation_info_->navigation_index = index;
automation_client_->NavigateToIndex(index);
} else {
DLOG(WARNING) << "Invalid automation client instance";
}
return S_OK;
}
STDMETHODIMP ChromeActiveDocument::GetPositionCookie(DWORD* position_cookie) {
if (!position_cookie)
return E_INVALIDARG;
*position_cookie = navigation_info_->navigation_index;
return S_OK;
}
STDMETHODIMP ChromeActiveDocument::GetUrlForEvents(BSTR* url) {
if (NULL == url)
return E_POINTER;
*url = ::SysAllocString(url_);
return S_OK;
}
STDMETHODIMP ChromeActiveDocument::GetAddressBarUrl(BSTR* url) {
return GetUrlForEvents(url);
}
STDMETHODIMP ChromeActiveDocument::Reset() {
next_privacy_record_ = privacy_info_.privacy_records.begin();
return S_OK;
}
STDMETHODIMP ChromeActiveDocument::GetSize(DWORD* size) {
if (!size)
return E_POINTER;
*size = privacy_info_.privacy_records.size();
return S_OK;
}
STDMETHODIMP ChromeActiveDocument::GetPrivacyImpacted(BOOL* privacy_impacted) {
if (!privacy_impacted)
return E_POINTER;
*privacy_impacted = privacy_info_.privacy_impacted;
return S_OK;
}
STDMETHODIMP ChromeActiveDocument::Next(BSTR* url, BSTR* policy,
LONG* reserved, DWORD* flags) {
if (!url || !policy || !flags)
return E_POINTER;
if (next_privacy_record_ == privacy_info_.privacy_records.end())
return HRESULT_FROM_WIN32(ERROR_NO_MORE_ITEMS);
*url = SysAllocString(next_privacy_record_->first.c_str());
*policy = SysAllocString(next_privacy_record_->second.policy_ref.c_str());
*flags = next_privacy_record_->second.flags;
next_privacy_record_++;
return S_OK;
}
bool ChromeActiveDocument::IsSchemeAllowed(const GURL& url) {
bool allowed = BaseActiveX::IsSchemeAllowed(url);
if (allowed)
return true;
if (url.SchemeIs(chrome::kAboutScheme)) {
if (LowerCaseEqualsASCII(url.spec(), chrome::kAboutPluginsURL))
return true;
}
return false;
}
HRESULT ChromeActiveDocument::GetInPlaceFrame(
IOleInPlaceFrame** in_place_frame) {
DCHECK(in_place_frame);
if (in_place_frame_) {
*in_place_frame = in_place_frame_.get();
(*in_place_frame)->AddRef();
return S_OK;
} else {
return S_FALSE;
}
}
HRESULT ChromeActiveDocument::IOleObject_SetClientSite(
IOleClientSite* client_site) {
if (client_site == NULL) {
base::win::ScopedComPtr<IDocHostUIHandler> doc_host_handler;
if (doc_site_)
doc_host_handler.QueryFrom(doc_site_);
if (doc_host_handler.get())
doc_host_handler->HideUI();
doc_site_.Release();
}
if (client_site != m_spClientSite)
return BaseActiveX::IOleObject_SetClientSite(client_site);
return S_OK;
}
HRESULT ChromeActiveDocument::ActiveXDocActivate(LONG verb) {
HRESULT hr = S_OK;
m_bNegotiatedWnd = TRUE;
if (!m_bInPlaceActive) {
hr = m_spInPlaceSite->CanInPlaceActivate();
if (FAILED(hr))
return hr;
m_spInPlaceSite->OnInPlaceActivate();
}
m_bInPlaceActive = TRUE;
// get location in the parent window,
// as well as some information about the parent
base::win::ScopedComPtr<IOleInPlaceUIWindow> in_place_ui_window;
frame_info_.cb = sizeof(OLEINPLACEFRAMEINFO);
HWND parent_window = NULL;
if (m_spInPlaceSite->GetWindow(&parent_window) == S_OK) {
in_place_frame_.Release();
RECT position_rect = {0};
RECT clip_rect = {0};
m_spInPlaceSite->GetWindowContext(in_place_frame_.Receive(),
in_place_ui_window.Receive(),
&position_rect,
&clip_rect,
&frame_info_);
if (!m_bWndLess) {
if (IsWindow()) {
::ShowWindow(m_hWnd, SW_SHOW);
SetFocus();
} else {
m_hWnd = Create(parent_window, position_rect);
if (!IsWindow()) {
// This might happen if the automation server couldn't be
// instantiated. If so, a NOTREACHED() will have already been hit.
DLOG(ERROR) << "Failed to create Ax window";
return AtlHresultFromLastError();
}
}
}
SetObjectRects(&position_rect, &clip_rect);
}
base::win::ScopedComPtr<IOleInPlaceActiveObject> in_place_active_object(this);
// Gone active by now, take care of UIACTIVATE
if (DoesVerbUIActivate(verb)) {
if (!m_bUIActive) {
m_bUIActive = TRUE;
hr = m_spInPlaceSite->OnUIActivate();
if (FAILED(hr))
return hr;
// set ourselves up in the host
if (in_place_active_object) {
if (in_place_frame_)
in_place_frame_->SetActiveObject(in_place_active_object, NULL);
if (in_place_ui_window)
in_place_ui_window->SetActiveObject(in_place_active_object, NULL);
}
}
}
m_spClientSite->ShowObject();
return S_OK;
}
void ChromeActiveDocument::OnNavigationStateChanged(
int flags, const NavigationInfo& nav_info) {
// TODO(joshia): handle INVALIDATE_TYPE_TAB,INVALIDATE_TYPE_LOAD etc.
DVLOG(1) << __FUNCTION__
<< "\n Flags: " << flags
<< ", Url: " << nav_info.url
<< ", Title: " << nav_info.title
<< ", Type: " << nav_info.navigation_type
<< ", Relative Offset: " << nav_info.relative_offset
<< ", Index: " << nav_info.navigation_index;
UpdateNavigationState(nav_info, flags);
}
void ChromeActiveDocument::OnUpdateTargetUrl(
const std::wstring& new_target_url) {
if (in_place_frame_)
in_place_frame_->SetStatusText(new_target_url.c_str());
}
bool IsFindAccelerator(const MSG& msg) {
// TODO(robertshield): This may not stand up to localization. Fix if this
// is the case.
return msg.message == WM_KEYDOWN && msg.wParam == 'F' &&
base::win::IsCtrlPressed() &&
!(base::win::IsAltPressed() || base::win::IsShiftPressed());
}
void ChromeActiveDocument::OnAcceleratorPressed(const MSG& accel_message) {
if (::TranslateAccelerator(m_hWnd, accelerator_table_,
const_cast<MSG*>(&accel_message)))
return;
bool handled_accel = false;
if (in_place_frame_ != NULL) {
handled_accel = (S_OK == in_place_frame_->TranslateAcceleratorW(
const_cast<MSG*>(&accel_message), 0));
}
if (!handled_accel) {
if (IsFindAccelerator(accel_message)) {
// Handle the showing of the find dialog explicitly.
OnFindInPage();
} else {
BaseActiveX::OnAcceleratorPressed(accel_message);
}
} else {
DVLOG(1) << "IE handled accel key " << accel_message.wParam;
}
}
void ChromeActiveDocument::OnTabbedOut(bool reverse) {
DVLOG(1) << __FUNCTION__;
if (in_place_frame_) {
MSG msg = { NULL, WM_KEYDOWN, VK_TAB };
in_place_frame_->TranslateAcceleratorW(&msg, 0);
}
}
void ChromeActiveDocument::OnDidNavigate(const NavigationInfo& nav_info) {
DVLOG(1) << __FUNCTION__ << std::endl
<< "Url: " << nav_info.url
<< ", Title: " << nav_info.title
<< ", Type: " << nav_info.navigation_type
<< ", Relative Offset: " << nav_info.relative_offset
<< ", Index: " << nav_info.navigation_index;
CrashMetricsReporter::GetInstance()->IncrementMetric(
CrashMetricsReporter::CHROME_FRAME_NAVIGATION_COUNT);
UpdateNavigationState(nav_info, 0);
}
void ChromeActiveDocument::OnCloseTab() {
// Base class will fire DIChromeFrameEvents::onclose.
BaseActiveX::OnCloseTab();
// Close the container window.
base::win::ScopedComPtr<IWebBrowser2> web_browser2;
DoQueryService(SID_SWebBrowserApp, m_spClientSite, web_browser2.Receive());
if (web_browser2)
web_browser2->Quit();
}
void ChromeActiveDocument::UpdateNavigationState(
const NavigationInfo& new_navigation_info, int flags) {
// This could be NULL if the active document instance is being destroyed.
if (!m_spInPlaceSite) {
DVLOG(1) << __FUNCTION__ << "m_spInPlaceSite is NULL. Returning";
return;
}
HRESULT hr = S_OK;
bool is_title_changed =
(navigation_info_->title != new_navigation_info.title);
bool is_ssl_state_changed =
(navigation_info_->security_style !=
new_navigation_info.security_style) ||
(navigation_info_->displayed_insecure_content !=
new_navigation_info.displayed_insecure_content) ||
(navigation_info_->ran_insecure_content !=
new_navigation_info.ran_insecure_content);
if (is_ssl_state_changed) {
int lock_status = SECURELOCK_SET_UNSECURE;
switch (new_navigation_info.security_style) {
case content::SECURITY_STYLE_AUTHENTICATED:
lock_status = new_navigation_info.displayed_insecure_content ?
SECURELOCK_SET_MIXED : SECURELOCK_SET_SECUREUNKNOWNBIT;
break;
default:
break;
}
base::win::ScopedVariant secure_lock_status(lock_status);
IEExec(&CGID_ShellDocView, INTERNAL_CMDID_SET_SSL_LOCK,
OLECMDEXECOPT_DODEFAULT, secure_lock_status.AsInput(), NULL);
}
// A number of poorly written bho's crash in their event sink callbacks if
// chrome frame is the currently loaded document. This is because they expect
// chrome frame to implement interfaces like IHTMLDocument, etc. We patch the
// event sink's of these bho's and don't invoke the event sink if chrome
// frame is the currently loaded document.
if (GetConfigBool(true, kEnableBuggyBhoIntercept)) {
base::win::ScopedComPtr<IWebBrowser2> wb2;
DoQueryService(SID_SWebBrowserApp, m_spClientSite, wb2.Receive());
if (wb2 && buggy_bho::BuggyBhoTls::GetInstance()) {
buggy_bho::BuggyBhoTls::GetInstance()->PatchBuggyBHOs(wb2);
}
}
// Ideally all navigations should come to Chrome Frame so that we can call
// BeforeNavigate2 on installed BHOs and give them a chance to cancel the
// navigation. However, in practice what happens is as below:
// The very first navigation that happens in CF happens via a Load or a
// LoadHistory call. In this case, IE already has the correct information for
// its travel log as well address bar. For other internal navigations (navs
// that only happen within Chrome such as anchor navigations) we need to
// update IE's internal state after the fact. In the case of internal
// navigations, we notify the BHOs but ignore the should_cancel flag.
// Another case where we need to issue BeforeNavigate2 calls is as below:-
// We get notified after the fact, when navigations are initiated within
// Chrome via window.open calls. These navigations are handled by creating
// an external tab container within chrome and then connecting to it from IE.
// We still want to update the address bar/history, etc, to ensure that
// the special URL used by Chrome to indicate this is updated correctly.
ChromeFrameUrl cf_url;
bool is_attach_external_tab_url = cf_url.Parse(std::wstring(url_)) &&
cf_url.attach_to_external_tab();
bool is_internal_navigation =
IsNewNavigation(new_navigation_info, flags) || is_attach_external_tab_url;
if (new_navigation_info.url.is_valid())
url_.Allocate(UTF8ToWide(new_navigation_info.url.spec()).c_str());
if (is_internal_navigation) {
// IE6 does not support tabs. If Chrome sent us a window open request
// indicating that the navigation needs to occur in a foreground tab or
// a popup window, then we need to ensure that the new window in IE6 is
// brought to the foreground.
if (GetIEVersion() == IE_6 &&
is_attach_external_tab_url &&
(cf_url.disposition() == NEW_FOREGROUND_TAB ||
cf_url.disposition() == NEW_POPUP)) {
base::win::ScopedComPtr<IWebBrowser2> wb2;
DoQueryService(SID_SWebBrowserApp, m_spClientSite, wb2.Receive());
if (wb2)
BaseActiveX::BringWebBrowserWindowToTop(wb2);
}
base::win::ScopedComPtr<IDocObjectService> doc_object_svc;
base::win::ScopedComPtr<IWebBrowserEventsService> web_browser_events_svc;
DoQueryService(__uuidof(web_browser_events_svc), m_spClientSite,
web_browser_events_svc.Receive());
if (!web_browser_events_svc.get()) {
DoQueryService(SID_SShellBrowser, m_spClientSite,
doc_object_svc.Receive());
}
// web_browser_events_svc can be NULL on IE6.
if (web_browser_events_svc) {
VARIANT_BOOL should_cancel = VARIANT_FALSE;
web_browser_events_svc->FireBeforeNavigate2Event(&should_cancel);
} else if (doc_object_svc) {
BOOL should_cancel = FALSE;
doc_object_svc->FireBeforeNavigate2(NULL, url_, 0, NULL, NULL, 0,
NULL, FALSE, &should_cancel);
}
// We need to tell IE that we support navigation so that IE will query us
// for IPersistHistory and call GetPositionCookie to save our navigation
// index.
base::win::ScopedVariant html_window(static_cast<IUnknown*>(
static_cast<IHTMLWindow2*>(this)));
IEExec(&CGID_DocHostCmdPriv, DOCHOST_DOCCANNAVIGATE, 0,
html_window.AsInput(), NULL);
// We pass the HLNF_INTERNALJUMP flag to INTERNAL_CMDID_FINALIZE_TRAVEL_LOG
// since we want to make IE treat all internal navigations within this page
// (including anchor navigations and subframe navigations) as anchor
// navigations. This will ensure that IE calls GetPositionCookie
// to save the current position cookie in the travel log and then call
// SetPositionCookie when the user hits Back/Forward to come back here.
base::win::ScopedVariant internal_navigation(HLNF_INTERNALJUMP);
IEExec(&CGID_Explorer, INTERNAL_CMDID_FINALIZE_TRAVEL_LOG, 0,
internal_navigation.AsInput(), NULL);
// We no longer need to lie to IE. If we lie persistently to IE, then
// IE reuses us for new navigations.
IEExec(&CGID_DocHostCmdPriv, DOCHOST_DOCCANNAVIGATE, 0, NULL, NULL);
if (doc_object_svc) {
// Now call the FireNavigateCompleteEvent which makes IE update the text
// in the address-bar.
doc_object_svc->FireNavigateComplete2(this, 0);
doc_object_svc->FireDocumentComplete(this, 0);
} else if (web_browser_events_svc) {
web_browser_events_svc->FireNavigateComplete2Event();
web_browser_events_svc->FireDocumentCompleteEvent();
}
}
if (is_title_changed) {
base::win::ScopedVariant title(new_navigation_info.title.c_str());
IEExec(NULL, OLECMDID_SETTITLE, OLECMDEXECOPT_DONTPROMPTUSER,
title.AsInput(), NULL);
}
// There are cases in which we receive NavigationStateChanged events for
// provisional loads. These events will contain a new URL but will not be
// considered new navigations since their navigation_index is 0. For these
// events, do not update the navigation_info_ state, as this will muck up the
// travel log when the subsequent committed navigation event takes place.
//
// Given this filtering, also special-case first navigations since those
// are needed to initially populate navigation_info_ to keep it in sync with
// what was placed in the IE travel log when CF was first opened.
//
// Lastly, allow through navigation events that would neither affect the
// travel log nor cause the page location to change, as these will
// contain informational state (referrer, title, etc.) that we should
// preserve.
if (is_internal_navigation || IsFirstNavigation(new_navigation_info) ||
new_navigation_info.url == navigation_info_->url) {
// It is important that we only update the navigation_info_ after we have
// finalized the travel log. This is because IE will ask for information
// such as navigation index when the travel log is finalized and we need
// supply the old index and not the new one.
*navigation_info_ = new_navigation_info;
}
// Update the IE zone here. Ideally we would like to do it when the active
// document is activated. However that does not work at times as the frame we
// get there is not the actual frame which handles the command.
IEExec(&CGID_Explorer, SBCMDID_MIXEDZONE, 0, NULL, NULL);
}
void ChromeActiveDocument::OnFindInPage() {
TabProxy* tab = GetTabProxy();
if (tab) {
if (!find_dialog_.IsWindow())
find_dialog_.Create(m_hWnd);
find_dialog_.ShowWindow(SW_SHOW);
}
}
void ChromeActiveDocument::OnViewSource() {
DCHECK(navigation_info_->url.is_valid());
HostNavigate(GURL(content::kViewSourceScheme + std::string(":") +
navigation_info_->url.spec()), GURL(), NEW_WINDOW);
}
void ChromeActiveDocument::OnDetermineSecurityZone(const GUID* cmd_group_guid,
DWORD command_id,
DWORD cmd_exec_opt,
VARIANT* in_args,
VARIANT* out_args) {
// Always return URLZONE_INTERNET since that is the Chrome's behaviour.
// Correct step is to use MapUrlToZone().
if (out_args != NULL) {
out_args->vt = VT_UI4;
out_args->ulVal = URLZONE_INTERNET;
}
}
void ChromeActiveDocument::OnDisplayPrivacyInfo() {
privacy_info_ = url_fetcher_->privacy_info();
Reset();
DoPrivacyDlg(m_hWnd, url_, this, TRUE);
}
void ChromeActiveDocument::OnGetZoomRange(const GUID* cmd_group_guid,
DWORD command_id,
DWORD cmd_exec_opt,
VARIANT* in_args,
VARIANT* out_args) {
if (out_args != NULL) {
out_args->vt = VT_I4;
out_args->lVal = 0;
}
}
void ChromeActiveDocument::OnSetZoomRange(const GUID* cmd_group_guid,
DWORD command_id,
DWORD cmd_exec_opt,
VARIANT* in_args,
VARIANT* out_args) {
const int kZoomIn = 125;
const int kZoomOut = 75;
if (in_args && V_VT(in_args) == VT_I4 && IsValid()) {
if (in_args->lVal == kZoomIn) {
automation_client_->SetZoomLevel(content::PAGE_ZOOM_IN);
} else if (in_args->lVal == kZoomOut) {
automation_client_->SetZoomLevel(content::PAGE_ZOOM_OUT);
} else {
DLOG(WARNING) << "Unsupported zoom level:" << in_args->lVal;
}
}
}
void ChromeActiveDocument::OnUnload(const GUID* cmd_group_guid,
DWORD command_id,
DWORD cmd_exec_opt,
VARIANT* in_args,
VARIANT* out_args) {
if (IsValid() && out_args) {
// If the navigation is attempted to the url loaded in CF, with the only
// difference being the addition of an anchor, IE will attempt to unload
// the currently loaded document which basically would end up running
// unload handlers on the currently loaded document thus rendering it non
// functional. We handle this as below:-
// The BHO receives the new url in the BeforeNavigate event.
// We compare the non anchor portions of the url in the BHO with the loaded
// url and if they match, we initiate a Chrome navigation to the url with
// the anchor which works nicely.
// We don't want to continue processing the unload in this case.
// Note:-
// IE handles these navigations by querying the loaded document for
// IHTMLDocument which then handles the new navigation. That won't work for
// us as we don't implement IHTMLDocument.
NavigationManager* mgr = NavigationManager::GetThreadInstance();
DLOG_IF(ERROR, !mgr) << "Couldn't get instance of NavigationManager";
if (mgr) {
ChromeFrameUrl url;
url.Parse(mgr->url());
if (url.gurl().has_ref()) {
url_canon::Replacements<char> replacements;
replacements.ClearRef();
if (url.gurl().ReplaceComponents(replacements) ==
GURL(static_cast<BSTR>(url_))) {
// We want to reuse the existing automation client and channel for
// initiating the new navigation. Setting the
// is_automation_client_reused_ flag to true before calling the
// LaunchUrl function achieves that.
is_automation_client_reused_ = true;
LaunchUrl(url, mgr->referrer());
out_args->vt = VT_BOOL;
out_args->boolVal = VARIANT_FALSE;
return;
}
}
}
bool should_unload = true;
automation_client_->OnUnload(&should_unload);
out_args->vt = VT_BOOL;
out_args->boolVal = should_unload ? VARIANT_TRUE : VARIANT_FALSE;
}
}
void ChromeActiveDocument::OnAttachExternalTab(
const AttachExternalTabParams& params) {
if (!automation_client_.get()) {
DLOG(WARNING) << "Invalid automation client instance";
return;
}
DWORD flags = 0;
if (params.user_gesture)
flags = NWMF_USERREQUESTED;
else if (popup_allowed_)
flags = NWMF_USERALLOWED;
HRESULT hr = S_OK;
if (popup_manager_) {
const std::wstring& url_wide = UTF8ToWide(params.url.spec());
hr = popup_manager_->EvaluateNewWindow(url_wide.c_str(), NULL, url_,
NULL, FALSE, flags, 0);
}
// Allow popup
if (hr == S_OK) {
BaseActiveX::OnAttachExternalTab(params);
return;
}