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cbb3124475
cef/libcef/browser_webview_delegate.cc
Marshall Greenblatt cbb3124475 libcef: Update due to underlying chromium changes. 
- Modifications due to WebFrame moving from webkit/glue to webkit/api
- Remove the ATL dependency from browser_drag_delegate.cc
- Use scoped_refptr instead of scoped_ptr for BrowserWebViewDelegate pointers in CefBrowserImpl.
- Allow cancellation of redirects before they're sent in browser_resource_loader_bridge.cc
- Enable remote fonts, local storage and session storage in context.cc
- Add vsprops files to the libcef project that used to exist in the webkit/build directory

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@34 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
2009-08-13 17:23:08 +00:00

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// Copyright (c) 2008-2009 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2006-2008 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.
// This file contains the implementation of BrowserWebViewDelegate, which serves
// as the WebViewDelegate for the BrowserWebHost. The host is expected to
// have initialized a MessageLoop before these methods are called.
#include "precompiled_libcef.h"
#include "config.h"
#include "browser_webview_delegate.h"
#include "browser_impl.h"
#include "browser_navigation_controller.h"
#include "context.h"
#include "request_impl.h"
#include "v8_impl.h"
#include "base/file_util.h"
#include "base/gfx/gdi_util.h"
#include "base/gfx/point.h"
#include "base/gfx/native_widget_types.h"
#include "base/message_loop.h"
#include "base/process_util.h"
#include "base/string_util.h"
#include "base/trace_event.h"
#include "net/base/net_errors.h"
#include "webkit/api/public/WebData.h"
#include "webkit/api/public/WebDataSource.h"
#include "webkit/api/public/WebDragData.h"
#include "webkit/api/public/WebFrame.h"
#include "webkit/api/public/WebHistoryItem.h"
#include "webkit/api/public/WebKit.h"
#include "webkit/api/public/WebScreenInfo.h"
#include "webkit/api/public/WebString.h"
#include "webkit/api/public/WebURL.h"
#include "webkit/api/public/WebURLError.h"
#include "webkit/api/public/WebURLRequest.h"
#include "webkit/api/public/WebURLResponse.h"
#include "webkit/glue/glue_serialize.h"
#include "webkit/glue/glue_util.h"
#include "webkit/glue/media/buffered_data_source.h"
#include "webkit/glue/media/media_resource_loader_bridge_factory.h"
#include "webkit/glue/media/simple_data_source.h"
#include "webkit/glue/webappcachecontext.h"
#include "webkit/glue/webdropdata.h"
#include "webkit/glue/webpreferences.h"
#include "webkit/glue/webkit_glue.h"
#include "webkit/glue/webview.h"
#include "webkit/glue/plugins/plugin_list.h"
#include "webkit/glue/plugins/webplugin_delegate_impl.h"
#include "webkit/glue/webmediaplayer_impl.h"
#include "webkit/glue/window_open_disposition.h"
#include "browser_webkit_glue.h"
#if defined(OS_WIN)
// TODO(port): make these files work everywhere.
#include "browser_drag_delegate.h"
#include "browser_drop_delegate.h"
#endif
using WebKit::WebData;
using WebKit::WebDataSource;
using WebKit::WebDragData;
using WebKit::WebHistoryItem;
using WebKit::WebNavigationPolicy;
using WebKit::WebRect;
using WebKit::WebScreenInfo;
using WebKit::WebSize;
using WebKit::WebString;
using WebKit::WebURL;
using WebKit::WebURLError;
using WebKit::WebURLRequest;
using WebKit::WebURLResponse;
using WebKit::WebWidget;
using WebKit::WebWorker;
using WebKit::WebWorkerClient;
namespace {
int next_page_id_ = 1;
} // namespace
// WebViewDelegate -----------------------------------------------------------
WebView* BrowserWebViewDelegate::CreateWebView(WebView* webview,
bool user_gesture,
const GURL& creator_url) {
CefRefPtr<CefBrowserImpl> browser =
browser_->UIT_CreatePopupWindow(std::wstring());
return browser.get() ? browser->GetWebView() : NULL;
}
WebKit::WebWidget* BrowserWebViewDelegate::CreatePopupWidget(
WebView* webview,
bool activatable) {
return browser_->UIT_CreatePopupWidget(webview);
}
WebKit::WebMediaPlayer* BrowserWebViewDelegate::CreateWebMediaPlayer(
WebKit::WebMediaPlayerClient* client) {
scoped_refptr<media::FilterFactoryCollection> factory =
new media::FilterFactoryCollection();
// TODO(hclam): this is the same piece of code as in RenderView, maybe they
// should be grouped together.
webkit_glue::MediaResourceLoaderBridgeFactory* bridge_factory =
new webkit_glue::MediaResourceLoaderBridgeFactory(
GURL::EmptyGURL(), // referrer
"null", // frame origin
"null", // main_frame_origin
base::GetCurrentProcId(),
WebAppCacheContext::kNoAppCacheContextId,
0);
factory->AddFactory(webkit_glue::BufferedDataSource::CreateFactory(
MessageLoop::current(), bridge_factory));
return new webkit_glue::WebMediaPlayerImpl(client, factory);
}
WebWorker* BrowserWebViewDelegate::CreateWebWorker(WebWorkerClient* client) {
return NULL;
}
void BrowserWebViewDelegate::OpenURL(WebView* webview, const GURL& url,
const GURL& referrer,
WebNavigationPolicy policy) {
DCHECK_NE(policy, WebKit::WebNavigationPolicyCurrentTab);
CefRefPtr<CefBrowserImpl> browser =
browser_->UIT_CreatePopupWindow(UTF8ToWide(url.spec()));
if(browser.get())
browser->UIT_Show(policy);
}
void BrowserWebViewDelegate::DidStartLoading(WebView* webview) {
// clear the title so we can tell if it wasn't provided by the page
browser_->UIT_SetTitle(std::wstring());
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
// Notify the handler that loading has started
handler->HandleLoadStart(browser_, NULL);
}
}
void BrowserWebViewDelegate::DidStopLoading(WebView* webview) {
if(browser_->UIT_GetTitle().empty()) {
// no title was provided by the page, so send a blank string to the client
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
// Notify the handler of a page title change
handler->HandleTitleChange(browser_, browser_->UIT_GetTitle());
}
}
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
// Notify the handler that loading has ended
handler->HandleLoadEnd(browser_, NULL);
}
}
void BrowserWebViewDelegate::WindowObjectCleared(WebKit::WebFrame* webframe) {
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
v8::HandleScope handle_scope;
v8::Handle<v8::Context> context = webkit_glue::GetV8Context(webframe);
if(context.IsEmpty())
return;
v8::Context::Scope scope(context);
CefRefPtr<CefFrame> frame(browser_->GetCefFrame(webframe));
CefRefPtr<CefV8Value> object = new CefV8ValueImpl(context->Global());
handler->HandleJSBinding(browser_, frame, object);
}
}
WebNavigationPolicy BrowserWebViewDelegate::PolicyForNavigationAction(
WebView* webview,
WebKit::WebFrame* frame,
const WebKit::WebURLRequest& request,
WebKit::WebNavigationType type,
WebNavigationPolicy default_policy,
bool is_redirect) {
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
// Gather browse request information
CefRefPtr<CefRequest> req(CefRequest::CreateRequest());
GURL request_url = request.url();
req->SetURL(UTF8ToWide(request_url.spec()));
req->SetMethod(
UTF8ToWide(webkit_glue::WebStringToStdString(request.httpMethod())));
const WebKit::WebHTTPBody& httpBody = request.httpBody();
if(!httpBody.isNull()) {
CefRefPtr<CefPostData> postdata(CefPostData::CreatePostData());
static_cast<CefPostDataImpl*>(postdata.get())->Set(httpBody);
req->SetPostData(postdata);
}
CefRequest::HeaderMap map;
CefRequestImpl::GetHeaderMap(request, map);
if(map.size() > 0)
static_cast<CefRequestImpl*>(req.get())->SetHeaderMap(map);
// Notify the handler of a browse request
CefHandler::RetVal rv = handler->HandleBeforeBrowse(browser_,
browser_->GetCefFrame(frame), req, (CefHandler::NavType)type,
is_redirect);
if(rv == RV_HANDLED)
return WebKit::WebNavigationPolicyIgnore;
}
WebNavigationPolicy result;
if (policy_delegate_enabled_) {
if (policy_delegate_is_permissive_) {
result = WebKit::WebNavigationPolicyCurrentTab;
} else {
result = WebKit::WebNavigationPolicyIgnore;
}
} else {
result = default_policy;
}
return result;
}
void BrowserWebViewDelegate::AssignIdentifierToRequest(
WebKit::WebFrame* webframe,
uint32 identifier,
const WebURLRequest& request) {
}
void BrowserWebViewDelegate::WillSendRequest(
WebKit::WebFrame* webframe,
uint32 identifier,
WebURLRequest* request,
const WebURLResponse& redirect_response) {
if (!redirect_response.isNull() && block_redirects_) {
// To block the request, we set its URL to an empty one.
request->setURL(WebURL());
return;
}
// The requestor ID is used by the resource loader bridge to locate the
// browser that originated the request.
request->setRequestorID(browser_->UIT_GetUniqueID());
}
void BrowserWebViewDelegate::DidReceiveResponse(
WebKit::WebFrame* webframe,
uint32 identifier,
const WebURLResponse& response) {
}
void BrowserWebViewDelegate::DidFinishLoading(WebKit::WebFrame* webframe,
uint32 identifier) {
}
void BrowserWebViewDelegate::DidFailLoadingWithError(WebKit::WebFrame* webframe,
uint32 identifier,
const WebURLError& error) {
}
void BrowserWebViewDelegate::DidCreateDataSource(WebKit::WebFrame* frame,
WebDataSource* ds) {
ds->setExtraData(pending_extra_data_.release());
}
void BrowserWebViewDelegate::DidStartProvisionalLoadForFrame(
WebView* webview,
WebKit::WebFrame* frame,
NavigationGesture gesture) {
if (!top_loading_frame_) {
top_loading_frame_ = frame;
}
UpdateAddressBar(webview);
}
void BrowserWebViewDelegate::DidReceiveProvisionalLoadServerRedirect(
WebView* webview,
WebKit::WebFrame* frame) {
UpdateAddressBar(webview);
}
void BrowserWebViewDelegate::DidFailProvisionalLoadWithError(
WebView* webview,
const WebURLError& error,
WebKit::WebFrame* frame) {
LocationChangeDone(frame);
// error codes are defined in net\base\net_error_list.h
// Don't display an error page if this is simply a cancelled load. Aside
// from being dumb, WebCore doesn't expect it and it will cause a crash.
if (error.reason == net::ERR_ABORTED)
return;
const WebDataSource* failed_ds = frame->provisionalDataSource();
BrowserExtraData* extra_data =
static_cast<BrowserExtraData*>(failed_ds->extraData());
bool replace = extra_data && extra_data->pending_page_id != -1;
std::string error_text;
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
// give the handler an opportunity to generate a custom error message
std::wstring error_str;
CefHandler::RetVal rv = handler->HandleLoadError(browser_,
browser_->GetCefFrame(frame),
static_cast<CefHandler::ErrorCode>(error.reason),
UTF8ToWide(failed_ds->request().url().spec().data()), error_str);
if(rv == RV_HANDLED && !error_str.empty())
error_text = WideToUTF8(error_str);
} else {
error_text = StringPrintf("Error %d when loading url %s", error.reason,
failed_ds->request().url().spec().data());
}
// Make sure we never show errors in view source mode.
frame->enableViewSourceMode(false);
frame->loadHTMLString(
error_text, GURL("testshell-error:"), error.unreachableURL, replace);
}
void BrowserWebViewDelegate::DidCommitLoadForFrame(WebView* webview,
WebKit::WebFrame* frame,
bool is_new_navigation) {
UpdateForCommittedLoad(frame, is_new_navigation);
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
// Notify the handler that loading has started
handler->HandleLoadStart(browser_, browser_->GetCefFrame(frame));
}
}
void BrowserWebViewDelegate::DidReceiveTitle(WebView* webview,
const std::wstring& title,
WebKit::WebFrame* frame) {
browser_->UIT_SetTitle(title);
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
// Notify the handler of a page title change
handler->HandleTitleChange(browser_, title);
}
}
void BrowserWebViewDelegate::DidFinishLoadForFrame(WebView* webview,
WebKit::WebFrame* frame) {
UpdateAddressBar(webview);
LocationChangeDone(frame);
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
// Notify the handler that loading has ended
handler->HandleLoadEnd(browser_, browser_->GetCefFrame(frame));
}
}
void BrowserWebViewDelegate::DidFailLoadWithError(WebView* webview,
const WebURLError& error,
WebKit::WebFrame* frame) {
LocationChangeDone(frame);
}
void BrowserWebViewDelegate::DidFinishDocumentLoadForFrame(
WebView* webview,
WebKit::WebFrame* frame) {
}
void BrowserWebViewDelegate::DidHandleOnloadEventsForFrame(
WebView* webview,
WebKit::WebFrame* frame) {
}
void BrowserWebViewDelegate::DidChangeLocationWithinPageForFrame(
WebView* webview, WebKit::WebFrame* frame, bool is_new_navigation) {
frame->dataSource()->setExtraData(pending_extra_data_.release());
UpdateForCommittedLoad(frame, is_new_navigation);
}
void BrowserWebViewDelegate::DidReceiveIconForFrame(WebView* webview,
WebKit::WebFrame* frame) {
}
void BrowserWebViewDelegate::WillPerformClientRedirect(
WebView* webview,
WebKit::WebFrame* frame,
const GURL& src_url,
const GURL& dest_url,
unsigned int delay_seconds,
unsigned int fire_date) {
}
void BrowserWebViewDelegate::DidCancelClientRedirect(WebView* webview,
WebKit::WebFrame* frame) {
}
void BrowserWebViewDelegate::AddMessageToConsole(
WebView* webview,
const std::wstring& message,
unsigned int line_no,
const std::wstring& source_id) {
logging::LogMessage("CONSOLE", 0).stream() << "\""
<< message.c_str()
<< ",\" source: "
<< source_id.c_str()
<< "("
<< line_no
<< ")";
}
void BrowserWebViewDelegate::RunJavaScriptAlert(WebKit::WebFrame* webframe,
const std::wstring& message) {
CefHandler::RetVal rv = RV_CONTINUE;
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
rv = handler->HandleJSAlert(browser_, browser_->GetCefFrame(webframe),
message);
}
if(rv != RV_HANDLED)
ShowJavaScriptAlert(webframe, message);
}
bool BrowserWebViewDelegate::RunJavaScriptConfirm(WebKit::WebFrame* webframe,
const std::wstring& message) {
CefHandler::RetVal rv = RV_CONTINUE;
bool retval = false;
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
rv = handler->HandleJSConfirm(browser_, browser_->GetCefFrame(webframe),
message, retval);
}
if(rv != RV_HANDLED)
retval = ShowJavaScriptConfirm(webframe, message);
return retval;
}
bool BrowserWebViewDelegate::RunJavaScriptPrompt(
WebKit::WebFrame* webframe,
const std::wstring& message,
const std::wstring& default_value,
std::wstring* result) {
CefHandler::RetVal rv = RV_CONTINUE;
bool retval = false;
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
rv = handler->HandleJSPrompt(browser_, browser_->GetCefFrame(webframe),
message, default_value, retval, *result);
}
if(rv != RV_HANDLED)
retval = ShowJavaScriptPrompt(webframe, message, default_value, result);
return retval;
}
void BrowserWebViewDelegate::SetStatusbarText(WebView* webview,
const std::wstring& message) {
}
void BrowserWebViewDelegate::StartDragging(WebView* webview,
const WebDragData& drag_data) {
#if defined(OS_WIN)
// TODO(port): make this work on all platforms.
if (!drag_delegate_) {
drag_delegate_ = new BrowserDragDelegate(
browser_->GetWebViewWndHandle(),
browser_->GetWebView());
}
// TODO(tc): Drag and drop is disabled in the test shell because we need
// to be able to convert from WebDragData to an IDataObject.
//const DWORD ok_effect = DROPEFFECT_COPY | DROPEFFECT_LINK | DROPEFFECT_MOVE;
//DWORD effect;
//HRESULT res = DoDragDrop(drag_data.data_object, drag_delegate_.get(),
// ok_effect, &effect);
//DCHECK(DRAGDROP_S_DROP == res || DRAGDROP_S_CANCEL == res);
webview->DragSourceSystemDragEnded();
#endif
}
// The output from these methods in non-interactive mode should match that
// expected by the layout tests. See EditingDelegate.m in DumpRenderTree.
bool BrowserWebViewDelegate::ShouldBeginEditing(WebView* webview,
std::wstring range) {
return browser_->UIT_AllowEditing();
}
bool BrowserWebViewDelegate::ShouldEndEditing(WebView* webview,
std::wstring range) {
return browser_->UIT_AllowEditing();
}
bool BrowserWebViewDelegate::ShouldInsertNode(WebView* webview,
std::wstring node,
std::wstring range,
std::wstring action) {
return browser_->UIT_AllowEditing();
}
bool BrowserWebViewDelegate::ShouldInsertText(WebView* webview,
std::wstring text,
std::wstring range,
std::wstring action) {
return browser_->UIT_AllowEditing();
}
bool BrowserWebViewDelegate::ShouldChangeSelectedRange(WebView* webview,
std::wstring fromRange,
std::wstring toRange,
std::wstring affinity,
bool stillSelecting) {
return browser_->UIT_AllowEditing();
}
bool BrowserWebViewDelegate::ShouldDeleteRange(WebView* webview,
std::wstring range) {
return browser_->UIT_AllowEditing();
}
bool BrowserWebViewDelegate::ShouldApplyStyle(WebView* webview,
std::wstring style,
std::wstring range) {
return browser_->UIT_AllowEditing();
}
bool BrowserWebViewDelegate::SmartInsertDeleteEnabled() {
return true;
}
void BrowserWebViewDelegate::DidBeginEditing() {
}
void BrowserWebViewDelegate::DidChangeSelection() {
}
void BrowserWebViewDelegate::DidChangeContents() {
}
void BrowserWebViewDelegate::DidEndEditing() {
}
void BrowserWebViewDelegate::NavigateBackForwardSoon(int offset) {
browser_->UIT_GetNavigationController()->GoToOffset(offset);
}
int BrowserWebViewDelegate::GetHistoryBackListCount() {
int current_index =
browser_->UIT_GetNavigationController()->GetLastCommittedEntryIndex();
return current_index;
}
int BrowserWebViewDelegate::GetHistoryForwardListCount() {
int current_index =
browser_->UIT_GetNavigationController()->GetLastCommittedEntryIndex();
return browser_->UIT_GetNavigationController()->GetEntryCount()
- current_index - 1;
}
void BrowserWebViewDelegate::TakeFocus(WebView* webview, bool reverse) {
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
// Notify the handler that it should take a focus
handler->HandleTakeFocus(browser_, reverse);
}
}
void BrowserWebViewDelegate::SetUserStyleSheetEnabled(bool is_enabled) {
WebPreferences* prefs = _Context->GetWebPreferences();
prefs->user_style_sheet_enabled = is_enabled;
browser_->GetWebView()->SetPreferences(*prefs);
}
void BrowserWebViewDelegate::SetUserStyleSheetLocation(const GURL& location) {
WebPreferences* prefs = _Context->GetWebPreferences();
prefs->user_style_sheet_enabled = true;
prefs->user_style_sheet_location = location;
browser_->GetWebView()->SetPreferences(*prefs);
}
void BrowserWebViewDelegate::SetSmartInsertDeleteEnabled(bool enabled) {
smart_insert_delete_enabled_ = enabled;
// In upstream WebKit, smart insert/delete is mutually exclusive with select
// trailing whitespace, however, we allow both because Chromium on Windows
// allows both.
}
void BrowserWebViewDelegate::SetSelectTrailingWhitespaceEnabled(bool enabled) {
select_trailing_whitespace_enabled_ = enabled;
// In upstream WebKit, smart insert/delete is mutually exclusive with select
// trailing whitespace, however, we allow both because Chromium on Windows
// allows both.
}
void BrowserWebViewDelegate::RegisterDragDrop() {
#if defined(OS_WIN)
// TODO(port): add me once drag and drop works.
DCHECK(!drop_delegate_);
drop_delegate_ = new BrowserDropDelegate(browser_->GetWebViewWndHandle(),
browser_->GetWebView());
#endif
}
void BrowserWebViewDelegate::RevokeDragDrop() {
#if defined(OS_WIN)
::RevokeDragDrop(browser_->GetWebViewWndHandle());
#endif
}
void BrowserWebViewDelegate::SetCustomPolicyDelegate(bool is_custom,
bool is_permissive) {
policy_delegate_enabled_ = is_custom;
policy_delegate_is_permissive_ = is_permissive;
}
void BrowserWebViewDelegate::WaitForPolicyDelegate() {
policy_delegate_enabled_ = true;
}
// WebWidgetClient ---------------------------------------------------------
void BrowserWebViewDelegate::didInvalidateRect(const WebRect& rect) {
if (WebWidgetHost* host = GetWidgetHost())
host->DidInvalidateRect(rect);
}
void BrowserWebViewDelegate::didScrollRect(int dx, int dy,
const WebRect& clip_rect) {
if (WebWidgetHost* host = GetWidgetHost())
host->DidScrollRect(dx, dy, clip_rect);
}
void BrowserWebViewDelegate::didFocus() {
if (WebWidgetHost* host = GetWidgetHost()) {
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if (handler.get() && handler->HandleSetFocus(browser_, true) == RV_CONTINUE)
browser_->UIT_SetFocus(host, true);
}
}
void BrowserWebViewDelegate::didBlur() {
if (WebWidgetHost* host = GetWidgetHost())
browser_->UIT_SetFocus(host, false);
}
WebScreenInfo BrowserWebViewDelegate::screenInfo() {
if (WebWidgetHost* host = GetWidgetHost())
return host->GetScreenInfo();
return WebScreenInfo();
}
// Public methods -----------------------------------------------------------
BrowserWebViewDelegate::BrowserWebViewDelegate(CefBrowserImpl* browser)
: policy_delegate_enabled_(false),
policy_delegate_is_permissive_(false),
browser_(browser),
top_loading_frame_(NULL),
page_id_(-1),
last_page_id_updated_(-1),
smart_insert_delete_enabled_(true)
#if defined(OS_WIN)
, select_trailing_whitespace_enabled_(true)
#else
, select_trailing_whitespace_enabled_(false)
#endif
#if defined(OS_LINUX)
, cursor_type_(GDK_X_CURSOR)
#endif
, block_redirects_(false)
{
}
void BrowserWebViewDelegate::Reset() {
*this = BrowserWebViewDelegate(browser_);
}
// Private methods -----------------------------------------------------------
void BrowserWebViewDelegate::UpdateAddressBar(WebView* webView) {
/*
WebKit::WebFrame* mainFrame = webView->UIT_GetMainFrame();
WebDataSource* dataSource = mainFrame->dataSource();
if (!dataSource)
dataSource = mainFrame->provisionalDataSource();
if (!dataSource)
return;
GURL gUrl = dataSource->request().firstPartyForCookies();
*/
}
void BrowserWebViewDelegate::LocationChangeDone(WebKit::WebFrame* frame) {
if (frame == top_loading_frame_)
top_loading_frame_ = NULL;
}
WebWidgetHost* BrowserWebViewDelegate::GetWidgetHost() {
if (this == browser_->GetWebViewDelegate())
return browser_->GetWebViewHost();
if (this == browser_->GetPopupDelegate())
return browser_->GetPopupHost();
return NULL;
}
void BrowserWebViewDelegate::UpdateForCommittedLoad(WebKit::WebFrame* frame,
bool is_new_navigation) {
WebView* webview = browser_->GetWebView();
// Code duplicated from RenderView::DidCommitLoadForFrame.
BrowserExtraData* extra_data = static_cast<BrowserExtraData*>(
frame->dataSource()->extraData());
if (is_new_navigation) {
// New navigation.
UpdateSessionHistory(frame);
page_id_ = next_page_id_++;
} else if (extra_data && extra_data->pending_page_id != -1 &&
!extra_data->request_committed) {
// This is a successful session history navigation!
UpdateSessionHistory(frame);
page_id_ = extra_data->pending_page_id;
}
// Don't update session history multiple times.
if (extra_data)
extra_data->request_committed = true;
UpdateURL(frame);
}
void BrowserWebViewDelegate::UpdateURL(WebKit::WebFrame* frame) {
WebDataSource* ds = frame->dataSource();
DCHECK(ds);
const WebURLRequest& request = ds->request();
// Type is unused.
scoped_ptr<BrowserNavigationEntry> entry(new BrowserNavigationEntry);
// Bug 654101: the referrer will be empty on https->http transitions. It
// would be nice if we could get the real referrer from somewhere.
entry->SetPageID(page_id_);
if (ds->hasUnreachableURL()) {
entry->SetURL(ds->unreachableURL());
} else {
entry->SetURL(request.url());
}
std::wstring url = UTF8ToWide(entry->GetURL().spec().c_str());
CefRefPtr<CefHandler> handler = browser_->GetHandler();
if(handler.get()) {
// Notify the handler of an address change
handler->HandleAddressChange(browser_, browser_->GetCefFrame(frame), url);
}
const WebHistoryItem& history_item = frame->currentHistoryItem();
if (!history_item.isNull())
entry->SetContentState(webkit_glue::HistoryItemToString(history_item));
browser_->UIT_GetNavigationController()->DidNavigateToEntry(entry.release());
last_page_id_updated_ = std::max(last_page_id_updated_, page_id_);
}
void BrowserWebViewDelegate::UpdateSessionHistory(WebKit::WebFrame* frame) {
// If we have a valid page ID at this point, then it corresponds to the page
// we are navigating away from. Otherwise, this is the first navigation, so
// there is no past session history to record.
if (page_id_ == -1)
return;
BrowserNavigationEntry* entry = static_cast<BrowserNavigationEntry*>(
browser_->UIT_GetNavigationController()->GetEntryWithPageID(page_id_));
if (!entry)
return;
const WebHistoryItem& history_item =
browser_->GetWebView()->GetMainFrame()->previousHistoryItem();
if (history_item.isNull())
return;
entry->SetContentState(webkit_glue::HistoryItemToString(history_item));
}
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