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// Copyright 2014 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 COMPONENTS_CRONET_ANDROID_URL_REQUEST_CONTEXT_ADAPTER_H_
#define COMPONENTS_CRONET_ANDROID_URL_REQUEST_CONTEXT_ADAPTER_H_
#include <queue>
#include <string>
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/location.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/threading/thread.h"
#include "net/log/net_log.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_context_getter.h"
namespace net {
class WriteToFileNetLogObserver;
class ProxyConfigService;
} // namespace net
namespace cronet {
struct URLRequestContextConfig;
typedef base::Callback<void(void)> RunAfterContextInitTask;
// Implementation of the Chromium NetLog observer interface.
class NetLogObserver : public net::NetLog::ThreadSafeObserver {
public:
NetLogObserver() {}
~NetLogObserver() override {}
void OnAddEntry(const net::NetLog::Entry& entry) override;
private:
DISALLOW_COPY_AND_ASSIGN(NetLogObserver);
};
// Fully configured |URLRequestContext|.
class URLRequestContextAdapter : public net::URLRequestContextGetter {
public:
class URLRequestContextAdapterDelegate
: public base::RefCountedThreadSafe<URLRequestContextAdapterDelegate> {
public:
virtual void OnContextInitialized(URLRequestContextAdapter* context) = 0;
protected:
friend class base::RefCountedThreadSafe<URLRequestContextAdapterDelegate>;
virtual ~URLRequestContextAdapterDelegate() {}
};
URLRequestContextAdapter(URLRequestContextAdapterDelegate* delegate,
std::string user_agent);
void Initialize(scoped_ptr<URLRequestContextConfig> config);
// Posts a task that might depend on the context being initialized
// to the network thread.
void PostTaskToNetworkThread(const tracked_objects::Location& posted_from,
const RunAfterContextInitTask& callback);
// Runs a task that might depend on the context being initialized.
// This method should only be run on the network thread.
void RunTaskAfterContextInitOnNetworkThread(
const RunAfterContextInitTask& callback);
const std::string& GetUserAgent(const GURL& url) const;
bool load_disable_cache() const { return load_disable_cache_; }
// net::URLRequestContextGetter implementation:
net::URLRequestContext* GetURLRequestContext() override;
scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
const override;
void StartNetLogToFile(const std::string& file_name);
void StopNetLog();
// Called on main Java thread to initialize URLRequestContext.
void InitRequestContextOnMainThread();
private:
~URLRequestContextAdapter() override;
// Initializes |context_| on the Network thread.
void InitRequestContextOnNetworkThread();
// Helper function to start writing NetLog data to file. This should only be
// run after context is initialized.
void StartNetLogToFileHelper(const std::string& file_name);
// Helper function to stop writing NetLog data to file. This should only be
// run after context is initialized.
void StopNetLogHelper();
scoped_refptr<URLRequestContextAdapterDelegate> delegate_;
scoped_ptr<net::URLRequestContext> context_;
std::string user_agent_;
bool load_disable_cache_;
base::Thread* network_thread_;
scoped_ptr<NetLogObserver> net_log_observer_;
scoped_ptr<net::WriteToFileNetLogObserver> net_log_logger_;
scoped_ptr<net::ProxyConfigService> proxy_config_service_;
scoped_ptr<URLRequestContextConfig> config_;
// A queue of tasks that need to be run after context has been initialized.
std::queue<RunAfterContextInitTask> tasks_waiting_for_context_;
bool is_context_initialized_;
DISALLOW_COPY_AND_ASSIGN(URLRequestContextAdapter);
};
} // namespace cronet
#endif // COMPONENTS_CRONET_ANDROID_URL_REQUEST_CONTEXT_ADAPTER_H_
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