/*
 * 				Firetweet - Twitter client for Android
 * 
 *  Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
 * 
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 * 
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 * 
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.getlantern.firetweet.nyan;

import android.annotation.TargetApi;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.content.res.Resources;
import android.os.Build;
import android.service.dreams.DreamService;
import android.view.View;
import android.view.View.OnSystemUiVisibilityChangeListener;

@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
public class NyanDaydreamService extends DreamService implements NyanConstants,
        OnSharedPreferenceChangeListener, OnSystemUiVisibilityChangeListener {

    private NyanDaydreamView mNyanDaydreamView;
    private SharedPreferences mPreferences;

    @Override
    public void onAttachedToWindow() {
        super.onAttachedToWindow();
        setContentView(R.layout.nyan_daydream);
        mNyanDaydreamView.setOnSystemUiVisibilityChangeListener(this);
        updateView();
    }

    @Override
    public void onContentChanged() {
        super.onContentChanged();
        mNyanDaydreamView = (NyanDaydreamView) findViewById(R.id.nyan);
    }

    @Override
    public void onCreate() {
        super.onCreate();
        mPreferences = getSharedPreferences(SHARED_PREFERENCES_NAME, MODE_PRIVATE);
        mPreferences.registerOnSharedPreferenceChangeListener(this);
        setInteractive(false);
        setFullscreen(true);
        setScreenBright(false);
    }

    @Override
    public void onSharedPreferenceChanged(final SharedPreferences sharedPreferences, final String key) {
        if (KEY_LIVE_WALLPAPER_SCALE.equals(key)) {
            updateView();
        }
    }

    @Override
    public void onSystemUiVisibilityChange(final int visibility) {
        if ((visibility & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0) {
            finish();
        }
    }

    private void updateView() {
        if (mPreferences == null) return;
        final Resources res = getResources();
        final int def = res.getInteger(R.integer.default_live_wallpaper_scale);
        mNyanDaydreamView.setScale(mPreferences.getInt(KEY_LIVE_WALLPAPER_SCALE, def));
    }

}