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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_H_
#define COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_H_
#include <string>
#include "base/macros.h"
#include "components/audio_modem/public/whispernet_client.h"
namespace copresence {
class Directive;
// The directive handler manages transmit and receive directives.
class DirectiveHandler {
public:
DirectiveHandler() {}
virtual ~DirectiveHandler() {}
// Starts processing directives with the provided Whispernet delegate.
// Directives will be queued until this function is called.
// |whispernet_client| is owned by the caller and must outlive the
// DirectiveHandler.
// |tokens_cb| is called for all audio tokens found in recorded audio.
// TODO(ckehoe): This is no longer needed. Merge into the constructor.
virtual void Start(audio_modem::WhispernetClient* whispernet_client,
const audio_modem::TokensCallback& tokens_cb) = 0;
// Adds a directive to handle.
virtual void AddDirective(const Directive& directive) = 0;
// Removes any directives associated with the given operation id.
virtual void RemoveDirectives(const std::string& op_id) = 0;
// TODO(ckehoe): Move the Modem to be owned by CopresenceManager.
// Then this will not need to be passed all the way down the tree.
virtual const std::string
GetCurrentAudioToken(audio_modem::AudioType type) const = 0;
virtual bool IsAudioTokenHeard(audio_modem::AudioType type) const = 0;
private:
DISALLOW_COPY_AND_ASSIGN(DirectiveHandler);
};
} // namespace copresence
#endif // COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_H_
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