components/cronet/android/url_request_context_adapter.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_CRONET_ANDROID_URL_REQUEST_CONTEXT_ADAPTER_H_
   6 #define COMPONENTS_CRONET_ANDROID_URL_REQUEST_CONTEXT_ADAPTER_H_
   7
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/macros.h"
  12 #include "base/memory/ref_counted.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "base/threading/thread.h"
  15 #include "net/base/net_log.h"
  16 #include "net/base/network_change_notifier.h"
  17 #include "net/url_request/url_request_context.h"
  18 #include "net/url_request/url_request_context_getter.h"
  19
  20 namespace net {
  21 class NetLogLogger;
  22 }  // namespace net
  23
  24 namespace cronet {
  25
  26 struct URLRequestContextConfig;
  27
  28 // Implementation of the Chromium NetLog observer interface.
  29 class NetLogObserver : public net::NetLog::ThreadSafeObserver {
  30  public:
  31   explicit NetLogObserver() {}
  32
  33   virtual ~NetLogObserver() {}
  34
  35   virtual void OnAddEntry(const net::NetLog::Entry& entry) OVERRIDE;
  36
  37  private:
  38   DISALLOW_COPY_AND_ASSIGN(NetLogObserver);
  39 };
  40
  41 // Fully configured |URLRequestContext|.
  42 class URLRequestContextAdapter : public net::URLRequestContextGetter {
  43  public:
  44   class URLRequestContextAdapterDelegate
  45       : public base::RefCountedThreadSafe<URLRequestContextAdapterDelegate> {
  46    public:
  47     virtual void OnContextInitialized(URLRequestContextAdapter* context) = 0;
  48
  49    protected:
  50     friend class base::RefCountedThreadSafe<URLRequestContextAdapterDelegate>;
  51
  52     virtual ~URLRequestContextAdapterDelegate() {}
  53   };
  54
  55   URLRequestContextAdapter(URLRequestContextAdapterDelegate* delegate,
  56                            std::string user_agent);
  57   void Initialize(scoped_ptr<URLRequestContextConfig> config);
  58
  59   const std::string& GetUserAgent(const GURL& url) const;
  60
  61   // net::URLRequestContextGetter implementation:
  62   virtual net::URLRequestContext* GetURLRequestContext() OVERRIDE;
  63   virtual scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
  64       const OVERRIDE;
  65
  66   void StartNetLogToFile(const std::string& file_name);
  67   void StopNetLog();
  68
  69  private:
  70   scoped_refptr<URLRequestContextAdapterDelegate> delegate_;
  71   scoped_ptr<net::URLRequestContext> context_;
  72   std::string user_agent_;
  73   base::Thread* network_thread_;
  74   scoped_ptr<net::NetworkChangeNotifier> network_change_notifier_;
  75   scoped_ptr<NetLogObserver> net_log_observer_;
  76   scoped_ptr<net::NetLogLogger> net_log_logger_;
  77
  78   virtual ~URLRequestContextAdapter();
  79
  80   // Initializes |context_| on the IO thread.
  81   void InitializeURLRequestContext(scoped_ptr<URLRequestContextConfig> config);
  82
  83   DISALLOW_COPY_AND_ASSIGN(URLRequestContextAdapter);
  84 };
  85
  86 }  // namespace cronet
  87
  88 #endif  // COMPONENTS_CRONET_ANDROID_URL_REQUEST_CONTEXT_ADAPTER_H_