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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.
#include "chrome/browser/renderer_host/transfer_navigation_resource_handler.h"
#include "base/bind.h"
#include "chrome/browser/profiles/profile_io_data.h"
#include "chrome/browser/extensions/extension_info_map.h"
#include "chrome/common/extensions/extension_process_policy.h"
#include "content/browser/renderer_host/render_view_host.h"
#include "content/browser/renderer_host/render_view_host_delegate.h"
#include "content/browser/renderer_host/resource_dispatcher_host.h"
#include "content/browser/renderer_host/resource_dispatcher_host_request_info.h"
#include "content/public/common/referrer.h"
namespace {
void RequestTransferURLOnUIThread(int render_process_id,
int render_view_id,
const GURL& new_url,
const content::Referrer& referrer,
WindowOpenDisposition window_open_disposition,
int64 frame_id,
const GlobalRequestID& request_id) {
RenderViewHost* rvh = RenderViewHost::FromID(render_process_id,
render_view_id);
if (!rvh)
return;
RenderViewHostDelegate* delegate = rvh->delegate();
if (!delegate)
return;
delegate->RequestTransferURL(
new_url, referrer,
window_open_disposition, frame_id, request_id);
}
} // namespace
TransferNavigationResourceHandler::TransferNavigationResourceHandler(
ResourceHandler* handler,
ResourceDispatcherHost* resource_dispatcher_host,
net::URLRequest* request)
: next_handler_(handler),
rdh_(resource_dispatcher_host),
request_(request) {
}
TransferNavigationResourceHandler::~TransferNavigationResourceHandler() {
}
bool TransferNavigationResourceHandler::OnUploadProgress(int request_id,
uint64 position,
uint64 size) {
return next_handler_->OnUploadProgress(request_id, position, size);
}
bool TransferNavigationResourceHandler::OnRequestRedirected(
int request_id,
const GURL& new_url,
content::ResourceResponse* response,
bool* defer) {
ResourceDispatcherHostRequestInfo* info =
ResourceDispatcherHost::InfoForRequest(request_);
// If a toplevel request is redirecting across extension extents, we want to
// switch processes. We do this by deferring the redirect and resuming the
// request once the navigation controller properly assigns the right process
// to host the new URL.
// TODO(mpcomplete): handle for cases other than extensions (e.g. WebUI).
const content::ResourceContext& resource_context = *info->context();
ProfileIOData* io_data =
reinterpret_cast<ProfileIOData*>(resource_context.GetUserData(NULL));
if (info->resource_type() == ResourceType::MAIN_FRAME &&
extensions::CrossesExtensionProcessBoundary(
io_data->GetExtensionInfoMap()->extensions(),
ExtensionURLInfo(request_->url()), ExtensionURLInfo(new_url))) {
int render_process_id, render_view_id;
if (ResourceDispatcherHost::RenderViewForRequest(
request_, &render_process_id, &render_view_id)) {
GlobalRequestID global_id(info->child_id(), info->request_id());
rdh_->MarkAsTransferredNavigation(global_id, request_);
content::BrowserThread::PostTask(
content::BrowserThread::UI,
FROM_HERE,
base::Bind(&RequestTransferURLOnUIThread,
render_process_id, render_view_id,
new_url,
content::Referrer(GURL(request_->referrer()),
info->referrer_policy()),
CURRENT_TAB, info->frame_id(), global_id));
*defer = true;
return true;
}
}
return next_handler_->OnRequestRedirected(
request_id, new_url, response, defer);
}
bool TransferNavigationResourceHandler::OnResponseStarted(
int request_id, content::ResourceResponse* response) {
return next_handler_->OnResponseStarted(request_id, response);
}
bool TransferNavigationResourceHandler::OnWillStart(int request_id,
const GURL& url,
bool* defer) {
return next_handler_->OnWillStart(request_id, url, defer);
}
bool TransferNavigationResourceHandler::OnWillRead(int request_id,
net::IOBuffer** buf,
int* buf_size,
int min_size) {
return next_handler_->OnWillRead(request_id, buf, buf_size, min_size);
}
bool TransferNavigationResourceHandler::OnReadCompleted(int request_id,
int* bytes_read) {
return next_handler_->OnReadCompleted(request_id, bytes_read);
}
bool TransferNavigationResourceHandler::OnResponseCompleted(
int request_id,
const net::URLRequestStatus& status,
const std::string& security_info) {
return next_handler_->OnResponseCompleted(request_id, status, security_info);
}
void TransferNavigationResourceHandler::OnRequestClosed() {
next_handler_->OnRequestClosed();
}
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