assistant-android/app/src/main/java/com/gh/gamecenter/message/MessageCenterFragment.java

package com.gh.gamecenter.message;

import android.content.Context;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.util.DisplayMetrics;
import android.view.View;
import android.widget.CheckedTextView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.gh.base.fragment.BaseFragment_ViewPager_Checkable;
import com.gh.common.util.DisplayUtils;
import com.gh.common.util.RandomUtils;
import com.gh.gamecenter.R;
import com.gh.gamecenter.entity.MessageUnreadEntity;
import com.gh.gamecenter.eventbus.EBReuse;
import com.gh.gamecenter.eventbus.EBUISwitch;
import com.gh.gamecenter.retrofit.Response;
import com.gh.gamecenter.retrofit.RetrofitManager;

import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;

import java.util.List;

import butterknife.BindView;
import okhttp3.ResponseBody;
import retrofit2.HttpException;
import rx.android.schedulers.AndroidSchedulers;
import rx.schedulers.Schedulers;

/**
 * Created by khy on 2017/4/5.
 * 首页-消息
 */
public class MessageCenterFragment extends BaseFragment_ViewPager_Checkable {

    @BindView(R.id.message_comment_hint)
    TextView mMessageCommentHint;
    @BindView(R.id.message_kefu_hint)
    View mMessageKefuHint;
    @BindView(R.id.message_slide_line)
    View mMessageSlideLine;
    @BindView(R.id.message_comment_tv)
    CheckedTextView mMessageCommentTv;
    @BindView(R.id.message_kefu_tv)
    CheckedTextView mMessageKefuTv;

    private LinearLayout.LayoutParams mLayoutParams;

    public static final int INDEX_COMMENT = 0;
    public static final int INDEX_KEFU = 1;

    public static final String MESSAGE_READ_OVER = "messageReadOver";
    public static final String EB_MESSAGEFRAGMENT_TAG = "MessageFragment";
    public static final String EB_KEFUMARKREADCOUNT = "kefuMarkReadCount";
    public static final String EB_COMMENTMARKREAD = "commentMarkRead";

    private int mWidth;
    private int mKeFuUnreadCount;

    public static MessageCenterFragment newInstance() {
        final Bundle args = new Bundle(1);
        args.putInt(ARGS_INDEX, INDEX_COMMENT);
        final MessageCenterFragment fragment = new MessageCenterFragment();
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    protected int getLayoutId() {
        return R.layout.fragment_message;
    }

    @Override
    protected int getCheckableGroupId() {
        return R.id.lightgame_tab_container;
    }

    @Override
    protected int getViewPagerId() {
        return R.id.lightgame_tab_viewpager;
    }

    @Override
    protected boolean getSmoothScroll() {
        return true;
    }

    @Override
    protected void initFragmentList(List<Fragment> fragments) {
        fragments.add(new CommentFragment());
        fragments.add(new KeFuFragment());
    }

    @Override
    protected void initView(View view) {
        super.initView(view);
        DisplayMetrics outMetrics = new DisplayMetrics();
        getActivity().getWindowManager().getDefaultDisplay().getMetrics(outMetrics);
        mWidth = outMetrics.widthPixels / 2;
        mLayoutParams = new LinearLayout.LayoutParams((int) (mWidth * 0.6), DisplayUtils.dip2px(getContext(), 2));
        mLayoutParams.leftMargin = RandomUtils.getInt(mWidth * (mCheckedIndex + 0.2f));
        mMessageSlideLine.setLayoutParams(mLayoutParams);

        initMessageUnread(getContext());

    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setNavigationTitle(getString(R.string.title_message_center));
    }

    @Override
    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);

        view.postDelayed(new Runnable() {
            @Override
            public void run() {
                EventBus.getDefault().post(new EBUISwitch(EB_MESSAGEFRAGMENT_TAG, mCheckedIndex));
            }
        }, 100);
    }

    private void initMessageUnread(final Context context) {
        RetrofitManager.getInstance(context).getApi()
                .getMessageUnread()
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Response<MessageUnreadEntity>() {
                    @Override
                    public void onResponse(MessageUnreadEntity response) {
                        super.onResponse(response);
                        if (response.getComment() > 0) {
                            mMessageCommentHint.setVisibility(View.VISIBLE);
                            mMessageCommentHint.setText(String.valueOf(response.getComment()));
                        }

                        if (response.getKefuList() != null && response.getKefuList().size() > 0) {
                            mKeFuUnreadCount = response.getKefuList().size();
                            if (mKeFuUnreadCount != 0) {
                                mMessageKefuHint.setVisibility(View.VISIBLE);
                            }
                        }
                    }

                    @Override
                    public void onFailure(HttpException e) {
                    }
                });
    }

    // 隐藏未读提示
    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onEventMainThread(EBUISwitch reuse) {
        if (EB_KEFUMARKREADCOUNT.equals(reuse.getFrom()) && reuse.getPosition() == mKeFuUnreadCount) {
            mMessageKefuHint.setVisibility(View.GONE);
            if (mMessageKefuHint.getVisibility() == View.GONE && mMessageCommentHint.getVisibility() == View.GONE) {
                EventBus.getDefault().post(new EBReuse(MESSAGE_READ_OVER));
            }
        } else if (EB_COMMENTMARKREAD.equals(reuse.getFrom()) && mMessageCommentHint.getVisibility() == View.VISIBLE) {
            mMessageCommentHint.setVisibility(View.GONE);
            postMarkCommentRead(getContext());
            if (mMessageKefuHint.getVisibility() == View.GONE && mMessageCommentHint.getVisibility() == View.GONE) {
                EventBus.getDefault().post(new EBReuse(MESSAGE_READ_OVER));
            }
        }
    }

    private void postMarkCommentRead(final Context context) {
        RetrofitManager.getInstance(context).getApi()
                .postMarkCommentRead()
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Response<ResponseBody>() {
                    @Override
                    public void onResponse(ResponseBody response) {
                        super.onResponse(response);
                    }

                    @Override
                    public void onFailure(HttpException e) {
                        super.onFailure(e);
                    }
                });
    }

    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
        super.onPageScrolled(position, positionOffset, positionOffsetPixels);
        if (positionOffset != 0) {
            mLayoutParams.leftMargin = RandomUtils.getInt(mWidth * (position + positionOffset + 0.2f));
//            mMessageSlideLine.setLayoutParams(mLayoutParams);
            mMessageSlideLine.requestLayout();
        }
    }

    @Override
    protected void onPageChanged(int index) {
        super.onPageChanged(index);
        EventBus.getDefault().post(new EBUISwitch(EB_MESSAGEFRAGMENT_TAG, index));

        if (index == 0) {
            mMessageCommentTv.setChecked(true);
            mMessageKefuTv.setChecked(false);
        } else {
            mMessageCommentTv.setChecked(false);
            mMessageKefuTv.setChecked(true);
        }
    }

}