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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_COPRESENCE_MANAGER_IMPL_H_
#define COMPONENTS_COPRESENCE_COPRESENCE_MANAGER_IMPL_H_
#include <google/protobuf/repeated_field.h>
#include <string>
#include <vector>
#include "base/cancelable_callback.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "components/copresence/copresence_state_impl.h"
#include "components/copresence/public/copresence_manager.h"
#include "components/copresence/timed_map.h"
namespace audio_modem {
struct AudioToken;
}
namespace base {
class Timer;
}
namespace net {
class URLContextGetter;
}
namespace copresence {
class DirectiveHandler;
class GCMHandler;
class ReportRequest;
class RpcHandler;
class SubscribedMessage;
// The implementation for CopresenceManager. Responsible primarily for
// client-side initialization. The RpcHandler handles all the details
// of interacting with the server.
// TODO(ckehoe, rkc): Add tests for this class.
class CopresenceManagerImpl : public CopresenceManager {
public:
// The delegate is owned by the caller, and must outlive the manager.
explicit CopresenceManagerImpl(CopresenceDelegate* delegate);
~CopresenceManagerImpl() override;
// CopresenceManager overrides.
CopresenceState* state() override;
void ExecuteReportRequest(const ReportRequest& request,
const std::string& app_id,
const std::string& auth_token,
const StatusCallback& callback) override;
private:
// Complete initialization when Whispernet is available.
void WhispernetInitComplete(bool success);
// Handle tokens decoded by Whispernet.
// TODO(ckehoe): Replace AudioToken with ReceivedToken.
void ReceivedTokens(const std::vector<audio_modem::AudioToken>& tokens);
// Verifies that we can hear the audio we're playing.
// This gets called every kAudioCheckIntervalMs milliseconds.
void AudioCheck();
// This gets called every kPollTimerIntervalMs milliseconds
// to poll the server for new messages.
void PollForMessages();
// Send SubscribedMessages to the appropriate clients.
void DispatchMessages(
const google::protobuf::RepeatedPtrField<SubscribedMessage>&
subscribed_messages);
// Belongs to the caller.
CopresenceDelegate* const delegate_;
// We use a CancelableCallback here because Whispernet
// does not provide a way to unregister its init callback.
base::CancelableCallback<void(bool)> whispernet_init_callback_;
bool init_failed_;
// The RpcHandler makes calls to the other objects here, so it must come last.
scoped_ptr<CopresenceStateImpl> state_;
scoped_ptr<DirectiveHandler> directive_handler_;
scoped_ptr<GCMHandler> gcm_handler_;
scoped_ptr<RpcHandler> rpc_handler_;
scoped_ptr<base::Timer> poll_timer_;
scoped_ptr<base::Timer> audio_check_timer_;
TimedMap<std::string, google::protobuf::RepeatedPtrField<SubscribedMessage>>
queued_messages_by_token_;
DISALLOW_COPY_AND_ASSIGN(CopresenceManagerImpl);
};
} // namespace copresence
#endif // COMPONENTS_COPRESENCE_COPRESENCE_MANAGER_IMPL_H_
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