net/proxy/proxy_resolver_v8_tracing_wrapper.h

   1 // Copyright 2015 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 NET_PROXY_PROXY_RESOLVER_V8_TRACING_WRAPPER_H_
   6 #define NET_PROXY_PROXY_RESOLVER_V8_TRACING_WRAPPER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "net/base/net_export.h"
  12 #include "net/proxy/proxy_resolver.h"
  13 #include "net/proxy/proxy_resolver_factory.h"
  14 #include "net/proxy/proxy_resolver_v8_tracing.h"
  15
  16 namespace net {
  17
  18 class HostResolver;
  19 class NetLog;
  20 class ProxyResolverErrorObserver;
  21
  22 // A wrapper for ProxyResolverV8TracingFactory that implements the
  23 // ProxyResolverFactory interface.
  24 class NET_EXPORT ProxyResolverFactoryV8TracingWrapper
  25     : public ProxyResolverFactory {
  26  public:
  27   // Note that |host_resolver| and |net_log| are expected to outlive |this| and
  28   // any ProxyResolver instances created using |this|. |error_observer_factory|
  29   // will be invoked once per CreateProxyResolver() call to create a
  30   // ProxyResolverErrorObserver to be used by the ProxyResolver instance
  31   // returned by that call.
  32   ProxyResolverFactoryV8TracingWrapper(
  33       HostResolver* host_resolver,
  34       NetLog* net_log,
  35       const base::Callback<scoped_ptr<ProxyResolverErrorObserver>()>&
  36           error_observer_factory);
  37   ~ProxyResolverFactoryV8TracingWrapper() override;
  38
  39   // ProxyResolverFactory override.
  40   int CreateProxyResolver(
  41       const scoped_refptr<ProxyResolverScriptData>& pac_script,
  42       scoped_ptr<ProxyResolver>* resolver,
  43       const CompletionCallback& callback,
  44       scoped_ptr<Request>* request) override;
  45
  46  private:
  47   void OnProxyResolverCreated(
  48       scoped_ptr<scoped_ptr<ProxyResolverV8Tracing>> v8_resolver,
  49       scoped_ptr<ProxyResolver>* resolver,
  50       const CompletionCallback& callback,
  51       scoped_ptr<ProxyResolverErrorObserver> error_observer,
  52       int error);
  53
  54   scoped_ptr<ProxyResolverV8TracingFactory> factory_impl_;
  55   HostResolver* const host_resolver_;
  56   NetLog* const net_log_;
  57   const base::Callback<scoped_ptr<ProxyResolverErrorObserver>()>
  58       error_observer_factory_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(ProxyResolverFactoryV8TracingWrapper);
  61 };
  62
  63 }  // namespace net
  64
  65 #endif  // NET_PROXY_PROXY_RESOLVER_V8_TRACING_WRAPPER_H_