Initial upload of cronet for Android.

net/cronet/android/url_request_context_peer.h

+// Copyright 2013 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_CRONET_ANDROID_URL_REQUEST_CONTEXT_PEER_H_
+#define NET_CRONET_ANDROID_URL_REQUEST_CONTEXT_PEER_H_
+
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/threading/thread.h"
+#include "net/base/net_log.h"
+#include "net/base/network_change_notifier.h"
+#include "net/url_request/url_request_context.h"
+#include "net/url_request/url_request_context_getter.h"
+
+// Implementation of the Chromium NetLog observer interface.
+class NetLogObserver : public net::NetLog::ThreadSafeObserver {
+ public:
+  explicit NetLogObserver(int log_level) { log_level_ = log_level; }
+
+  virtual ~NetLogObserver() {}
+
+  virtual void OnAddEntry(const net::NetLog::Entry& entry) OVERRIDE;
+
+ private:
+  int log_level_;
+
+  DISALLOW_COPY_AND_ASSIGN(NetLogObserver);
+};
+
+// Fully configured |URLRequestContext|.
+class URLRequestContextPeer : public net::URLRequestContextGetter {
+ public:
+  class URLRequestContextPeerDelegate
+      : public base::RefCountedThreadSafe<URLRequestContextPeerDelegate> {
+   public:
+    virtual void OnContextInitialized(URLRequestContextPeer* context) = 0;
+
+   protected:
+    friend class base::RefCountedThreadSafe<URLRequestContextPeerDelegate>;
+
+    virtual ~URLRequestContextPeerDelegate() {}
+  };
+
+  URLRequestContextPeer(URLRequestContextPeerDelegate* delegate,
+                        std::string user_agent,
+                        int log_level,
+                        const char* version);
+  void Initialize();
+
+  const std::string& GetUserAgent(const GURL& url) const;
+
+  int logging_level() const { return logging_level_; }
+
+  const char* version() const { return version_; }
+
+  // net::URLRequestContextGetter implementation:
+  virtual net::URLRequestContext* GetURLRequestContext() OVERRIDE;
+  virtual scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
+      const OVERRIDE;
+
+ private:
+  scoped_refptr<URLRequestContextPeerDelegate> delegate_;
+  scoped_ptr<net::URLRequestContext> context_;
+  int logging_level_;
+  const char* version_;
+  std::string user_agent_;
+  base::Thread* network_thread_;
+  scoped_ptr<net::NetworkChangeNotifier> network_change_notifier_;
+  scoped_ptr<NetLogObserver> netlog_observer_;
+
+  virtual ~URLRequestContextPeer();
+
+  // Initializes |context_| on the IO thread.
+  void InitializeURLRequestContext();
+
+  DISALLOW_COPY_AND_ASSIGN(URLRequestContextPeer);
+};
+
+#endif  // NET_CRONET_ANDROID_URL_REQUEST_CONTEXT_PEER_H_