SettingsPresenter.java

/*
 * Copyright 2017 lizhaotailang
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.marktony.zhihudaily.settings;

import android.content.Context;
import android.content.SharedPreferences;
import android.os.Handler;
import android.os.Message;
import android.support.v7.preference.Preference;

import com.bumptech.glide.Glide;
import com.marktony.zhihudaily.R;

import static android.content.Context.MODE_PRIVATE;

/**
 * Created by Lizhaotailang on 2016/9/5.
 */

public class SettingsPresenter implements SettingsContract.Presenter {

    private Context context;
    private SettingsContract.View view;
    private SharedPreferences sp;
    private SharedPreferences.Editor editor;

    public static final int CLEAR_GLIDE_CACHE_DONE = 1;

    private Handler handler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            switch (msg.what){
                case CLEAR_GLIDE_CACHE_DONE:
                    view.showCleanGlideCacheDone();
                    break;
                default:
                    break;
            }
            super.handleMessage(msg);
        }
    };

    public SettingsPresenter(Context context, SettingsContract.View view){
        this.context = context;
        this.view = view;
        this.view.setPresenter(this);
        sp = context.getSharedPreferences("user_settings",MODE_PRIVATE);
        editor = sp.edit();
    }

    @Override
    public void start() {

    }

    @Override
    public void setNoPictureMode(Preference preference) {
        editor.putBoolean("no_picture_mode",preference.getSharedPreferences().getBoolean("no_picture_mode",false));
        editor.apply();
    }

    @Override
    public void setInAppBrowser(Preference preference) {
        editor.putBoolean("in_app_browser", preference.getSharedPreferences().getBoolean("in_app_browser",false));
        editor.apply();
    }

    @Override
    public void cleanGlideCache() {
        new Thread(new Runnable() {
            @Override
            public void run() {
                Glide.get(context).clearDiskCache();
                Message msg = new Message();
                msg.what = CLEAR_GLIDE_CACHE_DONE;
                handler.sendMessage(msg);
            }
        }).start();
        Glide.get(context).clearMemory();
    }

    @Override
    public void setTimeOfSavingArticles(Preference preference, Object newValue) {
        editor.putString("time_of_saving_articles", (String)newValue);
        editor.apply();
    }

    @Override
    public String getTimeSummary() {

        String[] options = context.getResources().getStringArray(R.array.time_to_save_opts);
        String str = sp.getString("time_of_saving_articles", "7");
        switch (str) {
            case "1":
                return options[0];
            case "3":
                return options[1];
            case "15":
                return options[3];
            default:
                return options[2];
        }
    }

}