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chrome_active_document.cc
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// Copyright (c) 2009 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 <shobjidl.h>
#include <tlogstg.h>
#include <urlmon.h>
#include <wininet.h>
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/process_util.h"
#include "base/registry.h"
#include "base/scoped_variant_win.h"
#include "base/string_tokenizer.h"
#include "base/string_util.h"
#include "base/thread.h"
#include "base/thread_local.h"
#include "grit/generated_resources.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/navigation_types.h"
#include "chrome/test/automation/browser_proxy.h"
#include "chrome/test/automation/tab_proxy.h"
#include "chrome_frame/bho.h"
#include "chrome_frame/utils.h"
const wchar_t kChromeAttachExternalTabPrefix[] = L"attach_external_tab";
static const wchar_t kUseChromeNetworking[] = L"UseChromeNetworking";
static const wchar_t kHandleTopLevelRequests[] = L"HandleTopLevelRequests";
DEFINE_GUID(CGID_DocHostCmdPriv, 0x000214D4L, 0, 0, 0xC0, 0, 0, 0, 0, 0, 0,
0x46);
base::ThreadLocalPointer<ChromeActiveDocument> g_active_doc_cache;
bool g_first_launch_by_process_ = true;
ChromeActiveDocument::ChromeActiveDocument()
: first_navigation_(true),
is_automation_client_reused_(false),
popup_allowed_(false),
accelerator_table_(NULL) {
url_fetcher_.set_frame_busting(false);
memset(&navigation_info_, 0, sizeof(navigation_info_));
}
HRESULT ChromeActiveDocument::FinalConstruct() {
// If we have a cached ChromeActiveDocument instance in TLS, then grab
// ownership of the cached document's automation client. This is an
// optimization to get Chrome active documents to load faster.
ChromeActiveDocument* cached_document = g_active_doc_cache.Get();
if (cached_document) {
DCHECK(automation_client_.get() == NULL);
automation_client_.swap(cached_document->automation_client_);
DLOG(INFO) << "Reusing automation client instance from "
<< cached_document;
DCHECK(automation_client_.get() != NULL);
automation_client_->Reinitialize(this, &url_fetcher_);
is_automation_client_reused_ = true;
} else {
// 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 = Base::FinalConstruct();
if (FAILED(hr))
return hr;
}
bool chrome_network = GetConfigBool(false, kUseChromeNetworking);
bool top_level_requests = GetConfigBool(true, kHandleTopLevelRequests);
automation_client_->set_use_chrome_network(chrome_network);
automation_client_->set_handle_top_level_requests(top_level_requests);
find_dialog_.Init(automation_client_.get());
enabled_commands_map_[OLECMDID_PRINT] = true;
enabled_commands_map_[OLECMDID_FIND] = true;
enabled_commands_map_[OLECMDID_CUT] = true;
enabled_commands_map_[OLECMDID_COPY] = true;
enabled_commands_map_[OLECMDID_PASTE] = true;
enabled_commands_map_[OLECMDID_SELECTALL] = true;
enabled_commands_map_[OLECMDID_SAVEAS] = true;
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() {
DLOG(INFO) << __FUNCTION__;
if (find_dialog_.IsWindow()) {
find_dialog_.DestroyWindow();
}
// ChromeFramePlugin
Base::Uninitialize();
}
// 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 E_NOTIMPL;
}
// Check if we should activate as a docobject or not
// (client supports IOleDocumentSite)
if (doc_site_) {
switch (verb) {
case OLEIVERB_SHOW: {
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) {
DLOG(INFO) << __FUNCTION__;
return S_OK;
}
STDMETHODIMP ChromeActiveDocument::TranslateAccelerator(MSG* msg) {
DLOG(INFO) << __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() {
DLOG(INFO) << __FUNCTION__;
return S_FALSE;
}
void ChromeActiveDocument::OnAutomationServerReady() {
Base::OnAutomationServerReady();
Base::GiveFocusToChrome();
}
STDMETHODIMP ChromeActiveDocument::Load(BOOL fully_avalable,
IMoniker* moniker_name,
LPBC bind_context,
DWORD mode) {
if (NULL == moniker_name) {
return E_INVALIDARG;
}
ScopedComPtr<IOleClientSite> client_site;
if (bind_context) {
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.
ScopedComPtr<IBrowserService> browser_service;
DoQueryService(SID_SShellBrowser, client_site, browser_service.Receive());
if (browser_service) {
bool flagged = CheckForCFNavigation(browser_service, true);
DLOG_IF(INFO, flagged) << "Cleared flagged browser service";
}
}
NavigationManager* mgr = NavigationManager::GetThreadInstance();
DCHECK(mgr);
// 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.
std::wstring url(GetActualUrlFromMoniker(
moniker_name, bind_context,
mgr ? mgr->original_url_with_fragment() : std::wstring()));
scoped_refptr<RequestData> data;
if (mgr) {
mgr->set_original_url_with_fragment(L"");
data = mgr->GetActiveRequestData(url.c_str());
}
DLOG_IF(INFO, data) << "Got active request data";
DLOG_IF(WARNING, data.get() == NULL) << "NO active request data";
// The is_new_navigation variable indicates if this a navigation initiated
// by typing in a URL for e.g. in the IE address bar, or from Chrome by
// a window.open call from javascript, in which case the current IE tab
// will attach to an existing ExternalTabContainer instance.
bool is_new_navigation = true;
bool is_chrome_protocol = false;
if (!ParseUrl(url, &is_new_navigation, &is_chrome_protocol, &url)) {
DLOG(WARNING) << __FUNCTION__ << " Failed to parse url:" << url;
return E_INVALIDARG;
}
if (!LaunchUrl(url, is_new_navigation)) {
NOTREACHED() << __FUNCTION__ << " Failed to launch url:" << url;
return E_INVALIDARG;
}
if (!is_chrome_protocol && data) {
url_fetcher_.UseRequestDataForUrl(data, url);
}
THREAD_SAFE_UMA_HISTOGRAM_CUSTOM_COUNTS("ChromeFrame.FullTabLaunchType",
is_chrome_protocol, 0, 1, 2);
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) {
DLOG(INFO) << __FUNCTION__;
for (ULONG command_index = 0; command_index < number_of_commands;
command_index++) {
DLOG(INFO) << "Command id = " << commands[command_index].cmdID;
if (enabled_commands_map_.find(commands[command_index].cmdID) !=
enabled_commands_map_.end()) {
commands[command_index].cmdf = OLECMDF_ENABLED;
}
}
return S_OK;
}
STDMETHODIMP ChromeActiveDocument::Exec(const GUID* cmd_group_guid,
DWORD command_id,
DWORD cmd_exec_opt,
VARIANT* in_args,
VARIANT* out_args) {
DLOG(INFO) << __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);
}
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;
ScopedBstr url_bstr;
DWORD bytes_read = 0;
stream->Read(url_bstr.AllocateBytes(url_size), url_size, &bytes_read);
std::wstring url(url_bstr);
bool is_new_navigation = true;
bool is_chrome_protocol = false;
if (!ParseUrl(url, &is_new_navigation, &is_chrome_protocol, &url)) {
DLOG(WARNING) << __FUNCTION__ << " Failed to parse url:" << url;
return E_INVALIDARG;
}
if (!LaunchUrl(url, is_new_navigation)) {
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) {
int index = static_cast<int>(position_cookie);
navigation_info_.navigation_index = index;
automation_client_->NavigateToIndex(index);
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(unsigned long* 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, unsigned long* 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;
}
HRESULT ChromeActiveDocument::IOleObject_SetClientSite(
IOleClientSite* client_site) {
if (client_site == NULL) {
ChromeActiveDocument* cached_document = g_active_doc_cache.Get();
if (cached_document) {
DCHECK(this == cached_document);
g_active_doc_cache.Set(NULL);
cached_document->Release();
}
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();
in_place_frame_.Release();
}
if (client_site != m_spClientSite) {
return Base::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
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, 0, 0, WS_EX_CLIENTEDGE);
}
}
SetObjectRects(&position_rect, &clip_rect);
}
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 tab_handle, int flags,
const IPC::NavigationInfo& nav_info) {
// TODO(joshia): handle INVALIDATE_TAB,INVALIDATE_LOAD etc.
DLOG(INFO) << __FUNCTION__ << std::endl << " 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);
}
void ChromeActiveDocument::OnUpdateTargetUrl(int tab_handle,
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' &&
win_util::IsCtrlPressed() &&
!(win_util::IsAltPressed() || win_util::IsShiftPressed());
}
void ChromeActiveDocument::OnAcceleratorPressed(int tab_handle,
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 {
Base::OnAcceleratorPressed(tab_handle, accel_message);
}
} else {
DLOG(INFO) << "IE handled accel key " << accel_message.wParam;
}
}
void ChromeActiveDocument::OnTabbedOut(int tab_handle, bool reverse) {
DLOG(INFO) << __FUNCTION__;
if (in_place_frame_) {
MSG msg = { NULL, WM_KEYDOWN, VK_TAB };
in_place_frame_->TranslateAcceleratorW(&msg, 0);
}
}
void ChromeActiveDocument::OnDidNavigate(int tab_handle,
const IPC::NavigationInfo& nav_info) {
DLOG(INFO) << __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;
// This could be NULL if the active document instance is being destroyed.
if (!m_spInPlaceSite) {
DLOG(INFO) << __FUNCTION__ << "m_spInPlaceSite is NULL. Returning";
return;
}
UpdateNavigationState(nav_info);
}
void ChromeActiveDocument::UpdateNavigationState(
const IPC::NavigationInfo& new_navigation_info) {
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_.has_mixed_content !=
new_navigation_info.has_mixed_content);
if (is_ssl_state_changed) {
int lock_status = SECURELOCK_SET_UNSECURE;
switch (new_navigation_info.security_style) {
case SECURITY_STYLE_AUTHENTICATION_BROKEN:
lock_status = SECURELOCK_SET_SECUREUNKNOWNBIT;
break;
case SECURITY_STYLE_AUTHENTICATED:
lock_status = new_navigation_info.has_mixed_content ?
SECURELOCK_SET_MIXED : SECURELOCK_SET_SECUREUNKNOWNBIT;
break;
default:
break;
}
ScopedVariant secure_lock_status(lock_status);
IEExec(&CGID_ShellDocView, INTERNAL_CMDID_SET_SSL_LOCK,
OLECMDEXECOPT_DODEFAULT, secure_lock_status.AsInput(), NULL);
}
// 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.
bool is_internal_navigation = ((new_navigation_info.navigation_index > 0) &&
(new_navigation_info.navigation_index !=
navigation_info_.navigation_index)) ||
StartsWith(static_cast<BSTR>(url_), kChromeAttachExternalTabPrefix,
false);
if (new_navigation_info.url.is_valid()) {
url_.Allocate(UTF8ToWide(new_navigation_info.url.spec()).c_str());
NavigationManager* mgr = NavigationManager::GetThreadInstance();
DCHECK(mgr);
if (mgr) {
mgr->set_url(url_);
mgr->ReleaseRequestData();
}
}
if (is_internal_navigation) {
ScopedComPtr<IDocObjectService> doc_object_svc;
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);
}
// 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.
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.
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) {
ScopedVariant title(new_navigation_info.title.c_str());
IEExec(NULL, OLECMDID_SETTITLE, OLECMDEXECOPT_DONTPROMPTUSER,
title.AsInput(), NULL);
}
// 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());
std::string url_to_open = "view-source:";
url_to_open += navigation_info_.url.spec();
HostNavigate(GURL(url_to_open), 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::OnOpenURL(int tab_handle,
const GURL& url_to_open,
const GURL& referrer,
int open_disposition) {
// If the disposition indicates that we should be opening the URL in the
// current tab, then we can reuse the ChromeFrameAutomationClient instance
// maintained by the current ChromeActiveDocument instance. We cache this
// instance so that it can be used by the new ChromeActiveDocument instance
// which may be instantiated for handling the new URL.
if (open_disposition == CURRENT_TAB) {
// Grab a reference to ensure that the document remains valid.
AddRef();
g_active_doc_cache.Set(this);
}
Base::OnOpenURL(tab_handle, url_to_open, referrer, open_disposition);
}
void ChromeActiveDocument::OnAttachExternalTab(int tab_handle,
const IPC::AttachExternalTabParams& params) {
DWORD flags = 0;
if (params.user_gesture)
flags = NWMF_USERREQUESTED;
else if (popup_allowed_)
flags = NWMF_USERALLOWED;
HRESULT hr = S_OK;
if (popup_manager_) {
LPCWSTR popup_wnd_url = UTF8ToWide(params.url.spec()).c_str();
hr = popup_manager_->EvaluateNewWindow(popup_wnd_url, NULL, url_,
NULL, FALSE, flags, 0);
}
// Allow popup
if (hr == S_OK) {
Base::OnAttachExternalTab(tab_handle, params);
return;
}
automation_client_->BlockExternalTab(params.cookie);
}
bool ChromeActiveDocument::PreProcessContextMenu(HMENU menu) {
ScopedComPtr<IBrowserService> browser_service;
ScopedComPtr<ITravelLog> travel_log;
GetBrowserServiceAndTravelLog(browser_service.Receive(),
travel_log.Receive());
if (!browser_service || !travel_log)
return true;
if (SUCCEEDED(travel_log->GetTravelEntry(browser_service, TLOG_BACK, NULL))) {
EnableMenuItem(menu, IDS_CONTENT_CONTEXT_BACK, MF_BYCOMMAND | MF_ENABLED);
} else {
EnableMenuItem(menu, IDS_CONTENT_CONTEXT_BACK, MF_BYCOMMAND | MFS_DISABLED);
}
if (SUCCEEDED(travel_log->GetTravelEntry(browser_service, TLOG_FORE, NULL))) {
EnableMenuItem(menu, IDS_CONTENT_CONTEXT_FORWARD,
MF_BYCOMMAND | MF_ENABLED);
} else {
EnableMenuItem(menu, IDS_CONTENT_CONTEXT_FORWARD,
MF_BYCOMMAND | MFS_DISABLED);
}
// Call base class (adds 'About' item)
return Base::PreProcessContextMenu(menu);
}
bool ChromeActiveDocument::HandleContextMenuCommand(UINT cmd,
const IPC::ContextMenuParams& params) {
ScopedComPtr<IWebBrowser2> web_browser2;
DoQueryService(SID_SWebBrowserApp, m_spClientSite, web_browser2.Receive());
switch (cmd) {
case IDS_CONTENT_CONTEXT_BACK:
web_browser2->GoBack();
break;
case IDS_CONTENT_CONTEXT_FORWARD:
web_browser2->GoForward();
break;
case IDS_CONTENT_CONTEXT_RELOAD:
web_browser2->Refresh();
break;
default:
return Base::HandleContextMenuCommand(cmd, params);
}
return true;
}
HRESULT ChromeActiveDocument::IEExec(const GUID* cmd_group_guid,
DWORD command_id, DWORD cmd_exec_opt,
VARIANT* in_args, VARIANT* out_args) {
HRESULT hr = E_FAIL;
ScopedComPtr<IOleCommandTarget> frame_cmd_target;
ScopedComPtr<IOleInPlaceSite> in_place_site(m_spInPlaceSite);
if (!in_place_site.get() && m_spClientSite != NULL) {
in_place_site.QueryFrom(m_spClientSite);
}
if (in_place_site)
hr = frame_cmd_target.QueryFrom(in_place_site);
if (frame_cmd_target)
hr = frame_cmd_target->Exec(cmd_group_guid, command_id, cmd_exec_opt,
in_args, out_args);
return hr;
}
unsigned long ChromeActiveDocument::MapUrlToZone(const wchar_t* url) {
unsigned long zone = URLZONE_INVALID;
if (security_manager_.get() == NULL) {
HRESULT hr = CoCreateInstance(
CLSID_InternetSecurityManager,
NULL,
CLSCTX_ALL,
IID_IInternetSecurityManager,
reinterpret_cast<void**>(security_manager_.Receive()));
if (FAILED(hr)) {
NOTREACHED() << __FUNCTION__
<< " Failed to create InternetSecurityManager. Error: 0x%x"
<< hr;
return zone;
}
}
security_manager_->MapUrlToZone(url, &zone, 0);
return zone;
}
bool ChromeActiveDocument::ParseUrl(const std::wstring& url,
bool* is_new_navigation,
bool* is_chrome_protocol,
std::wstring* parsed_url) {
if (!is_new_navigation || !is_chrome_protocol|| !parsed_url) {
NOTREACHED() << __FUNCTION__ << " Invalid arguments";
return false;
}
std::wstring initial_url = url;
*is_chrome_protocol = StartsWith(initial_url, kChromeProtocolPrefix,
false);
*is_new_navigation = true;
if (*is_chrome_protocol) {
initial_url.erase(0, lstrlen(kChromeProtocolPrefix));
*is_new_navigation =
!StartsWith(initial_url, kChromeAttachExternalTabPrefix, false);
}
if (!IsValidUrlScheme(initial_url, is_privileged_)) {
DLOG(WARNING) << __FUNCTION__ << " Disallowing navigation to url: "
<< url;
return false;
}
if (URLZONE_UNTRUSTED == MapUrlToZone(initial_url.c_str())) {
DLOG(WARNING) << __FUNCTION__
<< " Disallowing navigation to restricted url: "
<< initial_url;
return false;
}
if (*is_chrome_protocol) {
// Allow chrome protocol (gcf:) if -
// - explicitly enabled using registry
// - for gcf:attach_external_tab
// - for gcf:about and gcf:view-source
GURL crack_url(initial_url);
bool allow_gcf_protocol = !*is_new_navigation ||
GetConfigBool(false, kEnableGCFProtocol) ||
crack_url.SchemeIs(chrome::kAboutScheme) ||
crack_url.SchemeIs(chrome::kViewSourceScheme);
if (!allow_gcf_protocol)
return false;
}
*parsed_url = initial_url;
return true;
}
bool ChromeActiveDocument::LaunchUrl(const std::wstring& url,
bool is_new_navigation) {
url_.Reset(::SysAllocString(url.c_str()));
if (!is_new_navigation) {
WStringTokenizer tokenizer(url, L"&");
// Skip over kChromeAttachExternalTabPrefix
tokenizer.GetNext();
uint64 external_tab_cookie = 0;
if (tokenizer.GetNext()) {
wchar_t* end_ptr = 0;
external_tab_cookie = _wcstoui64(tokenizer.token().c_str(), &end_ptr, 10);
}
if (external_tab_cookie == 0) {
NOTREACHED() << "invalid url for attach tab: " << url;
return false;
}
automation_client_->AttachExternalTab(external_tab_cookie);
} else {
// Initiate navigation before launching chrome so that the url will be
// cached and sent with launch settings.
if (url_.Length()) {
std::string utf8_url;
WideToUTF8(url_, url_.Length(), &utf8_url);
std::string referrer;
NavigationManager* mgr = NavigationManager::GetThreadInstance();
if (mgr)
referrer = mgr->referrer();
if (!automation_client_->InitiateNavigation(utf8_url,
referrer,
is_privileged_)) {
DLOG(ERROR) << "Invalid URL: " << url;
Error(L"Invalid URL");
url_.Reset();
return false;
}