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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.
#ifndef CONTENT_PUBLIC_BROWSER_APPCACHE_SERVICE_H_
#define CONTENT_PUBLIC_BROWSER_APPCACHE_SERVICE_H_
#include <map>
#include <set>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "content/common/content_export.h"
#include "content/public/common/appcache_info.h"
#include "net/base/completion_callback.h"
namespace content {
class AppCacheStorage;
// Refcounted container to avoid copying the collection in callbacks.
struct CONTENT_EXPORT AppCacheInfoCollection
: public base::RefCountedThreadSafe<AppCacheInfoCollection> {
AppCacheInfoCollection();
std::map<GURL, AppCacheInfoVector> infos_by_origin;
private:
friend class base::RefCountedThreadSafe<AppCacheInfoCollection>;
virtual ~AppCacheInfoCollection();
};
// Exposes a limited interface to the AppCacheService.
// Call these methods only on the IO thread.
class CONTENT_EXPORT AppCacheService {
public:
// Determines if a request for 'url' can be satisfied while offline.
// This method always completes asynchronously.
virtual void CanHandleMainResourceOffline(const GURL& url,
const GURL& first_party,
const net::CompletionCallback&
callback) = 0;
// Populates 'collection' with info about all of the appcaches stored
// within the service, 'callback' is invoked upon completion. The service
// acquires a reference to the 'collection' until until completion.
// This method always completes asynchronously.
virtual void GetAllAppCacheInfo(AppCacheInfoCollection* collection,
const net::CompletionCallback& callback) = 0;
// Deletes the group identified by 'manifest_url', 'callback' is
// invoked upon completion. Upon completion, the cache group and
// any resources within the group are no longer loadable and all
// subresource loads for pages associated with a deleted group
// will fail. This method always completes asynchronously.
virtual void DeleteAppCacheGroup(const GURL& manifest_url,
const net::CompletionCallback& callback) = 0;
protected:
virtual ~AppCacheService() {}
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_APPCACHE_SERVICE_H_
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