chrome/browser/local_discovery/privetv3_session.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 CHROME_BROWSER_LOCAL_DISCOVERY_PRIVETV3_SESSION_H_
   6 #define CHROME_BROWSER_LOCAL_DISCOVERY_PRIVETV3_SESSION_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "chrome/browser/local_discovery/privet_url_fetcher.h"
  13 #include "chrome/common/extensions/api/gcd_private.h"
  14
  15 namespace base {
  16 class DictionaryValue;
  17 }
  18
  19 namespace local_discovery {
  20
  21 class PrivetHTTPClient;
  22
  23 // Manages secure communication between browser and local Privet device.
  24 class PrivetV3Session {
  25  private:
  26   class FetcherDelegate;
  27
  28  public:
  29   // Delegate to be implemented by client code.
  30   class Delegate {
  31    public:
  32     virtual ~Delegate();
  33
  34     // Called when client code should prompt user to check |confirmation_code|.
  35     virtual void OnSetupConfirmationNeeded(
  36         const std::string& confirmation_code,
  37         extensions::api::gcd_private::ConfirmationType confirmation_type) = 0;
  38
  39     virtual void OnSessionStatus(
  40         extensions::api::gcd_private::Status status) = 0;
  41   };
  42
  43   // Represents request in progress using secure session.
  44   class Request {
  45    public:
  46     Request();
  47     virtual ~Request();
  48
  49     virtual std::string GetName() = 0;
  50     virtual const base::DictionaryValue& GetInput() = 0;
  51     virtual void OnError(PrivetURLFetcher::ErrorType error) = 0;
  52     virtual void OnParsedJson(const base::DictionaryValue& value,
  53                               bool has_error) = 0;
  54
  55    private:
  56     friend class PrivetV3Session;
  57     scoped_ptr<FetcherDelegate> fetcher_delegate_;
  58   };
  59
  60   PrivetV3Session(scoped_ptr<PrivetHTTPClient> client, Delegate* delegate);
  61   ~PrivetV3Session();
  62
  63   // Establishes a session, will call |OnSetupConfirmationNeeded| and then
  64   // |OnSessionEstablished|.
  65   void Start();
  66
  67   void ConfirmCode(const std::string& code);
  68
  69   // Create a single /privet/v3/session/call request.
  70   void StartRequest(Request* request);
  71
  72  private:
  73   void ConfirmFakeCode();
  74
  75   Delegate* delegate_;
  76   scoped_ptr<PrivetHTTPClient> client_;
  77   bool code_confirmed_;
  78   base::WeakPtrFactory<PrivetV3Session> weak_ptr_factory_;
  79   DISALLOW_COPY_AND_ASSIGN(PrivetV3Session);
  80 };
  81
  82 }  // namespace local_discovery
  83
  84 #endif  // CHROME_BROWSER_LOCAL_DISCOVERY_PRIVETV3_SESSION_H_