useremoticonsets.h

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/********************************************************************************************
 * Twitch Broadcasting SDK
 *
 * This software is supplied under the terms of a license agreement with Twitch Interactive, Inc. and
 * may not be copied or used except in accordance with the terms of that agreement
 * Copyright (c) 2012-2016 Twitch Interactive, Inc.
 *********************************************************************************************/

#pragma once

#include "twitchsdk/chat/chattypes.h"
#include "twitchsdk/core/pubsub/pubsubcomponent.h"
#include "twitchsdk/core/user/user.h"

namespace ttv
{
    class User;
    
    namespace chat
    {
        class UserEmoticonSets;
        class UserEmoticonSetsListener;
        class UserEmoticonSetsListenerProxy;
    }
}

class ttv::chat::UserEmoticonSets : public PubSubComponent<UserEmoticonSetsListener>
{
public:
    using FetchEmoticonSetsCallback = std::function<void(TTV_ErrorCode ec, const std::vector<EmoticonSet>& result)>;
    
    UserEmoticonSets(const std::shared_ptr<User>& user, const TokenizationOptions& options);
    virtual ~UserEmoticonSets();
    
    // Component overrides
    virtual TTV_ErrorCode Initialize() override;
    virtual void Update() override;
    virtual TTV_ErrorCode Shutdown() override;
    
    virtual std::string GetLoggerName() const override;
    static std::string GetComponentName() { return "ttv::chat::UserEmoticonSets"; }
    
    TTV_ErrorCode GetUserEmoticonSets(std::vector<EmoticonSet>& sets);
    
    TTV_ErrorCode FetchUserEmoticonSets(bool forceFetch, const FetchEmoticonSetsCallback& callback);
    
    TokenizationOptions GetTokenizationOptions() const { return mTokenizationOptions; }
    
    void OnTopicSubscribeStateChanged(const std::string& topic, PubSubClient::SubscribeState::Enum state, TTV_ErrorCode ec) override;
    
    void OnTopicMessageReceived(const std::string& topic, const ttv::json::Value& jVal) override;
    
private:
    CallbackQueue<FetchEmoticonSetsCallback> mFetchUserEmoticonSetsCallbacks;
    std::vector<EmoticonSet> mUserEmoticonSets;
    
    std::string mPubSubTopic;
    
    RetryTimer mFetchRetryTimer;
    TokenizationOptions mTokenizationOptions;
    
    bool mEmoticonFetchInFlight;
};


class ttv::chat::UserEmoticonSetsListener
{
public:
    virtual void OnUserEmoticonSetsChanged(UserId userId, const std::vector<EmoticonSet>& sets) = 0;
};


class ttv::chat::UserEmoticonSetsListenerProxy : public UserEmoticonSetsListener
{
public:
    typedef std::function<void(UserId userId, const std::vector<EmoticonSet>& emoticonSet) > UserEmoticonSetsChangedFunc;
    
public:
    virtual void OnUserEmoticonSetsChanged(UserId userId, const std::vector<EmoticonSet>& emoticonSets) override
    {
        if (mUserEmoticonSetsChangedFunc != nullptr)
        {
            mUserEmoticonSetsChangedFunc(userId, emoticonSets);
        }
    }
    
public:
    UserEmoticonSetsChangedFunc mUserEmoticonSetsChangedFunc;
};