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- // Copyright 2015 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 NET_PROXY_RESOLUTION_PROXY_RESOLVER_FACTORY_H_
- #define NET_PROXY_RESOLUTION_PROXY_RESOLVER_FACTORY_H_
- #include <memory>
- #include <set>
- #include "base/memory/ref_counted.h"
- #include "net/base/completion_once_callback.h"
- #include "net/base/net_export.h"
- #include "net/proxy_resolution/pac_file_data.h"
- namespace net {
- class ProxyResolver;
- // ProxyResolverFactory is an interface for creating ProxyResolver instances.
- class NET_EXPORT ProxyResolverFactory {
- public:
- // A handle to a request. Deleting it will cancel the request.
- class Request {
- public:
- virtual ~Request() = default;
- };
- // See |expects_pac_bytes()| for the meaning of |expects_pac_bytes|.
- explicit ProxyResolverFactory(bool expects_pac_bytes);
- ProxyResolverFactory(const ProxyResolverFactory&) = delete;
- ProxyResolverFactory& operator=(const ProxyResolverFactory&) = delete;
- virtual ~ProxyResolverFactory();
- // Creates a new ProxyResolver. If the request will complete asynchronously,
- // it returns ERR_IO_PENDING and notifies the result by running |callback|.
- // If the result is OK, then |resolver| contains the ProxyResolver. In the
- // case of asynchronous completion |*request| is written to, and can be
- // deleted to cancel the request. All requests in progress are cancelled if
- // the ProxyResolverFactory is deleted.
- virtual int CreateProxyResolver(const scoped_refptr<PacFileData>& pac_script,
- std::unique_ptr<ProxyResolver>* resolver,
- CompletionOnceCallback callback,
- std::unique_ptr<Request>* request) = 0;
- // The PAC script backend can be specified to the ProxyResolverFactory either
- // via URL, or via the javascript text itself. If |expects_pac_bytes| is true,
- // then the PacFileData passed to CreateProxyResolver() should
- // contain the actual script bytes rather than just the URL.
- bool expects_pac_bytes() const { return expects_pac_bytes_; }
- private:
- bool expects_pac_bytes_;
- };
- } // namespace net
- #endif // NET_PROXY_RESOLUTION_PROXY_RESOLVER_FACTORY_H_
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