Initial implementation of Cronet Async API.

components/cronet/android/cronet_url_request_context_adapter.h

 // 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_
+#ifndef COMPONENTS_CRONET_ANDROID_CRONET_URL_REQUEST_CONTEXT_ADAPTER_H_
+#define COMPONENTS_CRONET_ANDROID_CRONET_URL_REQUEST_CONTEXT_ADAPTER_H_
 
 #include <string>
 
 #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"
 
+namespace base {
+class SingleThreadTaskRunner;
+}  // namespace base
+
 namespace net {
 class NetLogLogger;
+class URLRequestContext;
 }  // namespace net
 
 namespace cronet {
 
 struct URLRequestContextConfig;
 
-// Implementation of the Chromium NetLog observer interface.
-class NetLogObserver : public net::NetLog::ThreadSafeObserver {
+// Fully configured |URLRequestContext|.
+class CronetURLRequestContextAdapter : public net::URLRequestContextGetter {
  public:
-  explicit NetLogObserver() {}
-
-  virtual ~NetLogObserver() {}
-
-  virtual 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> {
+  class CronetURLRequestContextAdapterDelegate
+      : public base::RefCountedThreadSafe<
+            CronetURLRequestContextAdapterDelegate> {
    public:
-    virtual void OnContextInitialized(URLRequestContextAdapter* context) = 0;
+    virtual void OnContextInitialized(
+        CronetURLRequestContextAdapter* context) = 0;
 
    protected:
-    friend class base::RefCountedThreadSafe<URLRequestContextAdapterDelegate>;
+    friend class base::RefCountedThreadSafe<
+        CronetURLRequestContextAdapterDelegate>;
 
-    virtual ~URLRequestContextAdapterDelegate() {}
+    virtual ~CronetURLRequestContextAdapterDelegate() {}
   };
 
-  URLRequestContextAdapter(URLRequestContextAdapterDelegate* delegate,
-                           std::string user_agent);
+  explicit CronetURLRequestContextAdapter(
+      CronetURLRequestContextAdapterDelegate* delegate);
   void Initialize(scoped_ptr<URLRequestContextConfig> config);
 
   const std::string& GetUserAgent(const GURL& url) const;
 
   // net::URLRequestContextGetter implementation:
   virtual net::URLRequestContext* GetURLRequestContext() OVERRIDE;
   virtual scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
       const OVERRIDE;
 
   void StartNetLogToFile(const std::string& file_name);
   void StopNetLog();
 
  private:
-  scoped_refptr<URLRequestContextAdapterDelegate> delegate_;
+  scoped_refptr<CronetURLRequestContextAdapterDelegate> delegate_;
   scoped_ptr<net::URLRequestContext> context_;
   std::string user_agent_;
   base::Thread* network_thread_;
   scoped_ptr<net::NetworkChangeNotifier> network_change_notifier_;
-  scoped_ptr<NetLogObserver> net_log_observer_;
   scoped_ptr<net::NetLogLogger> net_log_logger_;
 
-  virtual ~URLRequestContextAdapter();
+  virtual ~CronetURLRequestContextAdapter();
 
   // Initializes |context_| on the Network thread.
-  void InitializeURLRequestContext(scoped_ptr<URLRequestContextConfig> config);
+  void InitializeOnNetworkThread(scoped_ptr<URLRequestContextConfig> config);
+  void StartNetLogToFileOnNetworkThread(const std::string& file_name);
+  void StopNetLogOnNetworkThread();
 
-  DISALLOW_COPY_AND_ASSIGN(URLRequestContextAdapter);
+  DISALLOW_COPY_AND_ASSIGN(CronetURLRequestContextAdapter);
 };
 
 }  // namespace cronet
 
-#endif  // COMPONENTS_CRONET_ANDROID_URL_REQUEST_CONTEXT_ADAPTER_H_
+#endif  // COMPONENTS_CRONET_ANDROID_CRONET_URL_REQUEST_CONTEXT_ADAPTER_H_