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// Copyright (c) 2012 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/managed_mode/managed_mode_resource_throttle.h"
#include "base/bind.h"
#include "base/lazy_instance.h"
#include "chrome/browser/managed_mode/managed_mode.h"
#include "chrome/browser/managed_mode/managed_mode_interstitial.h"
#include "chrome/browser/managed_mode/managed_mode_navigation_observer.h"
#include "chrome/browser/managed_mode/managed_mode_url_filter.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/resource_controller.h"
#include "net/url_request/url_request.h"
using content::BrowserThread;
ManagedModeResourceThrottle::ManagedModeResourceThrottle(
const net::URLRequest* request,
int render_process_host_id,
int render_view_id,
bool is_main_frame,
const ManagedModeURLFilter* url_filter)
: weak_ptr_factory_(this),
request_(request),
render_process_host_id_(render_process_host_id),
render_view_id_(render_view_id),
is_main_frame_(is_main_frame),
url_filter_(url_filter) {}
ManagedModeResourceThrottle::~ManagedModeResourceThrottle() {}
void ManagedModeResourceThrottle::ShowInterstitialIfNeeded(bool is_redirect,
const GURL& url,
bool* defer) {
// Only treat main frame requests for now (ignoring subresources).
if (!is_main_frame_)
return;
if (url_filter_->GetFilteringBehaviorForURL(url) !=
ManagedModeURLFilter::BLOCK) {
return;
}
*defer = true;
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
base::Bind(&ManagedModeNavigationObserver::OnRequestBlocked,
render_process_host_id_, render_view_id_, url,
base::Bind(&ManagedModeResourceThrottle::OnInterstitialResult,
weak_ptr_factory_.GetWeakPtr())));
}
void ManagedModeResourceThrottle::WillStartRequest(bool* defer) {
ShowInterstitialIfNeeded(false, request_->url(), defer);
}
void ManagedModeResourceThrottle::WillRedirectRequest(const GURL& new_url,
bool* defer) {
ShowInterstitialIfNeeded(true, new_url, defer);
}
void ManagedModeResourceThrottle::OnInterstitialResult(bool continue_request) {
if (continue_request)
controller()->Resume();
else
controller()->Cancel();
}
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