blob: a78fadc08be4d7089ccabdf82218e984bab569c4 [file] [log] [blame]
// 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 <string>
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/chromeos/offline/offline_load_page.h"
#include "content/public/browser/resource_throttle.h"
#include "net/base/completion_callback.h"
namespace appcache {
class AppCacheService;
namespace net {
class URLRequest;
// Used to show an offline interstitial page when the network is not available.
class OfflineResourceThrottle
: public content::ResourceThrottle,
public base::SupportsWeakPtr<OfflineResourceThrottle> {
OfflineResourceThrottle(net::URLRequest* request,
appcache::AppCacheService* appcache_service);
virtual ~OfflineResourceThrottle();
// content::ResourceThrottle implementation:
virtual void WillStartRequest(bool* defer) OVERRIDE;
virtual const char* GetNameForLogging() const OVERRIDE;
// OfflineLoadPage callback.
void OnBlockingPageComplete(bool proceed);
// Erase the state associated with a deferred load request.
void ClearRequestInfo();
bool IsRemote(const GURL& url) const;
// True if chrome should show the offline page.
bool ShouldShowOfflinePage(const GURL& url) const;
// A callback to tell if an appcache exists.
void OnCanHandleOfflineComplete(int rv);
net::URLRequest* request_;
// Safe to keep a pointer around since AppCacheService outlives all requests.
appcache::AppCacheService* appcache_service_;
net::CancelableCompletionCallback appcache_completion_callback_;