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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_RESOURCE_CONTEXT_H_
#define CONTENT_PUBLIC_BROWSER_RESOURCE_CONTEXT_H_
#include <string>
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/memory/scoped_ptr.h"
#include "base/supports_user_data.h"
#include "build/build_config.h"
#include "content/common/content_export.h"
class GURL;
namespace appcache {
class AppCacheService;
}
namespace net {
class ClientCertStore;
class HostResolver;
class KeygenHandler;
class URLRequestContext;
}
namespace content {
// ResourceContext contains the relevant context information required for
// resource loading. It lives on the IO thread, although it is constructed on
// the UI thread. It must be destructed on the IO thread.
class CONTENT_EXPORT ResourceContext : public base::SupportsUserData {
public:
#if defined(OS_IOS)
virtual ~ResourceContext() {}
#else
ResourceContext();
virtual ~ResourceContext();
#endif
virtual net::HostResolver* GetHostResolver() = 0;
// DEPRECATED: This is no longer a valid given isolated apps/sites and
// storage partitioning. This getter returns the default context associated
// with a BrowsingContext.
virtual net::URLRequestContext* GetRequestContext() = 0;
// Get platform ClientCertStore. May return NULL.
virtual scoped_ptr<net::ClientCertStore> CreateClientCertStore();
// Create a platform KeygenHandler and pass it to |callback|. The |callback|
// may be run synchronously.
virtual void CreateKeygenHandler(
uint32 key_size_in_bits,
const std::string& challenge_string,
const GURL& url,
const base::Callback<void(scoped_ptr<net::KeygenHandler>)>& callback);
// Returns true if microphone access is allowed for |origin|. Used to
// determine what level of authorization is given to |origin| to access
// resource metadata.
virtual bool AllowMicAccess(const GURL& origin) = 0;
// Returns true if web camera access is allowed for |origin|. Used to
// determine what level of authorization is given to |origin| to access
// resource metadata.
virtual bool AllowCameraAccess(const GURL& origin) = 0;
// Returns a random salt string that is used for creating media device IDs.
// The salt should be stored in the current user profile and should be reset
// if cookies are cleared. Returns an empty string per default.
// TODO(perkj): Make this method pure virtual when crbug/315022 is fixed.
virtual std::string GetMediaDeviceIDSalt();
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_RESOURCE_CONTEXT_H_
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