src/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 "base/memory/scoped_vector.h"
  13 #include "chrome/browser/local_discovery/privet_url_fetcher.h"
  14 #include "chrome/common/extensions/api/gcd_private.h"
  15
  16 namespace base {
  17 class DictionaryValue;
  18 }
  19
  20 namespace local_discovery {
  21
  22 class PrivetHTTPClient;
  23
  24 // Manages secure communication between browser and local Privet device.
  25 class PrivetV3Session {
  26  private:
  27   class FetcherDelegate;
  28
  29  public:
  30   typedef extensions::api::gcd_private::PairingType PairingType;
  31   typedef extensions::api::gcd_private::Status Result;
  32
  33   typedef base::Callback<
  34       void(Result result, const std::vector<PairingType>& types)> InitCallback;
  35
  36   typedef base::Callback<void(Result result)> ResultCallback;
  37   typedef base::Callback<void(Result result,
  38                               const base::DictionaryValue& response)>
  39       MessageCallback;
  40
  41   explicit PrivetV3Session(scoped_ptr<PrivetHTTPClient> client);
  42   ~PrivetV3Session();
  43
  44   // Initialized session.
  45   void Init(const InitCallback& callback);
  46
  47   void StartPairing(PairingType pairing_type, const ResultCallback& callback);
  48
  49   void ConfirmCode(const std::string& code, const ResultCallback& callback);
  50
  51   // Create a single /privet/v3/session/call request.
  52   void SendMessage(const std::string& api,
  53                    const base::DictionaryValue& input,
  54                    const MessageCallback& callback);
  55
  56  private:
  57   // Represents request in progress using secure session.
  58   class Request {
  59    public:
  60     Request();
  61     virtual ~Request();
  62
  63     virtual void OnError() = 0;
  64     virtual void OnParsedJson(const base::DictionaryValue& value,
  65                               bool has_error) = 0;
  66
  67    private:
  68     friend class PrivetV3Session;
  69     scoped_ptr<FetcherDelegate> fetcher_delegate_;
  70   };
  71
  72   void RunCallback(const base::Closure& callback);
  73   void DeleteFetcher(const FetcherDelegate* fetcher);
  74
  75   scoped_ptr<PrivetHTTPClient> client_;
  76   bool code_confirmed_;
  77   ScopedVector<FetcherDelegate> fetchers_;
  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_