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chrome_browser_proxy_resolver.h
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chrome_browser_proxy_resolver.h
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//
// Copyright (C) 2011 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef UPDATE_ENGINE_CHROME_BROWSER_PROXY_RESOLVER_H_
#define UPDATE_ENGINE_CHROME_BROWSER_PROXY_RESOLVER_H_
#include <deque>
#include <map>
#include <string>
#include <vector>
#include <base/memory/weak_ptr.h>
#include "update_engine/proxy_resolver.h"
namespace chromeos_update_engine {
class ChromeBrowserProxyResolver : public ProxyResolver {
public:
ChromeBrowserProxyResolver();
~ChromeBrowserProxyResolver() override;
// ProxyResolver:
ProxyRequestId GetProxiesForUrl(const std::string& url,
const ProxiesResolvedFn& callback) override;
bool CancelProxyRequest(ProxyRequestId request) override;
private:
// Callback for calls made by GetProxiesForUrl().
void OnGetChromeProxyServers(ProxyRequestId request_id,
bool success,
const std::vector<std::string>& proxies);
// Finds the callback identified by |request_id| in |pending_callbacks_|,
// passes |proxies| to it, and deletes it. Does nothing if the request has
// been cancelled.
void RunCallback(ProxyRequestId request_id,
const std::deque<std::string>& proxies);
// Next ID to return from GetProxiesForUrl().
ProxyRequestId next_request_id_;
// Callbacks that were passed to GetProxiesForUrl() but haven't yet been run.
std::map<ProxyRequestId, ProxiesResolvedFn> pending_callbacks_;
base::WeakPtrFactory<ChromeBrowserProxyResolver> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(ChromeBrowserProxyResolver);
};
} // namespace chromeos_update_engine
#endif // UPDATE_ENGINE_CHROME_BROWSER_PROXY_RESOLVER_H_