net/proxy/proxy_resolver_error_observer.h

   1 // Copyright (c) 2011 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_ERROR_OBSERVER_H_
   6 #define NET_PROXY_PROXY_RESOLVER_ERROR_OBSERVER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/strings/string16.h"
  10 #include "net/base/net_export.h"
  11
  12 namespace net {
  13
  14 // Interface for observing JavaScript error messages from PAC scripts.
  15 class NET_EXPORT_PRIVATE ProxyResolverErrorObserver {
  16  public:
  17   ProxyResolverErrorObserver() {}
  18   virtual ~ProxyResolverErrorObserver() {}
  19
  20   // Handler for when an error is encountered. |line_number| may be -1
  21   // if a line number is not applicable to this error. |error| is a message
  22   // describing the error.
  23   //
  24   // Note on threading: This may get called from a worker thread. If the
  25   // backing proxy resolver is ProxyResolverV8Tracing, then it will not
  26   // be called concurrently, however it will be called from a different
  27   // thread than the proxy resolver's origin thread.
  28   virtual void OnPACScriptError(int line_number,
  29                                 const base::string16& error) = 0;
  30
  31  private:
  32   DISALLOW_COPY_AND_ASSIGN(ProxyResolverErrorObserver);
  33 };
  34
  35 }  // namespace net
  36
  37 #endif  // NET_PROXY_PROXY_RESOLVER_ERROR_OBSERVER_H_