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 COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_H_ 6 #define COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_H_ 7 8 #include <string> 9 10 #include "base/callback.h" 11 #include "base/macros.h" 12 #include "base/memory/scoped_ptr.h" 13 #include "components/copresence/handlers/audio/audio_directive_handler.h" 14 #include "components/copresence/mediums/audio/audio_recorder.h" 15 16 namespace copresence { 17 18 class Directive; 19 20 // The directive handler manages transmit and receive directives 21 // given to it by the manager. 22 class DirectiveHandler { 23 public: 24 DirectiveHandler(); 25 virtual ~DirectiveHandler(); 26 27 // Initialize the |audio_handler_| with the appropriate callbacks. 28 // This function must be called before any others. 29 // TODO(ckehoe): Instead of this, use a static Create() method 30 // and make the constructor private. 31 virtual void Initialize( 32 const AudioRecorder::DecodeSamplesCallback& decode_cb, 33 const AudioDirectiveHandler::EncodeTokenCallback& encode_cb); 34 35 // Adds a directive to handle. 36 virtual void AddDirective(const copresence::Directive& directive); 37 // Removes any directives associated with the given operation id. 38 virtual void RemoveDirectives(const std::string& op_id); 39 40 const std::string& CurrentAudibleToken() const; 41 const std::string& CurrentInaudibleToken() const; 42 43 private: 44 scoped_ptr<AudioDirectiveHandler> audio_handler_; 45 46 DISALLOW_COPY_AND_ASSIGN(DirectiveHandler); 47 }; 48 49 } // namespace copresence 50 51 #endif // COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_H_ 52