info.papdt.blacklight.ui.common.AbsActivity.java Source code

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Here is the source code for info.papdt.blacklight.ui.common.AbsActivity.java

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/* 
 * Copyright (C) 2014 Peter Cai
 *
 * This file is part of BlackLight
 *
 * BlackLight 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.
 *
 * BlackLight 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 BlackLight.  If not, see <http://www.gnu.org/licenses/>.
 */

package info.papdt.blacklight.ui.common;

import android.annotation.TargetApi;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.graphics.drawable.ColorDrawable;
import android.os.Build;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;

import android.support.v4.widget.SlidingPaneLayout;

import info.papdt.blacklight.R;
import info.papdt.blacklight.support.Settings;
import info.papdt.blacklight.support.ShakeDetector;
import info.papdt.blacklight.support.ShakeDetector.ShakeListener;
import info.papdt.blacklight.support.Utility;

public class AbsActivity extends ToolbarActivity implements ShakeListener {

    private ShakeDetector mDetector;
    private Settings mSettings;
    private int mLang = -1;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // Language
        mLang = Utility.getCurrentLanguage(this);
        if (mLang > -1) {
            Utility.changeLanguage(this, mLang);
        }

        Utility.initDarkMode(this);

        super.onCreate(savedInstanceState);
        swipeInit();

        // Common ActionBar settings
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setHomeButtonEnabled(true);
        getSupportActionBar().setDisplayUseLogoEnabled(false);
        getSupportActionBar().setDisplayShowHomeEnabled(true);

        // Shake Detector
        mDetector = ShakeDetector.getInstance(this);

        // Settings
        mSettings = Settings.getInstance(this);
    }

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
    }

    @Override
    protected void onResume() {
        super.onResume();

        int lang = Utility.getCurrentLanguage(this);
        if (lang != mLang) {
            recreate();
        }

        this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);

        if (mSettings.getBoolean(Settings.SHAKE_TO_RETURN, true)) {
            mDetector.addListener(this);
        }
    }

    @Override
    protected void onPause() {
        super.onPause();
        mDetector.removeListener(this);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == android.R.id.home) {
            finish();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onShake() {
        this.onBackPressed();
    }

    protected View getSwipeView() {
        return ((ViewGroup) getWindow().getDecorView()).getChildAt(0);
    }

    @TargetApi(21)
    private void swipeInit() {
        // Replace the view first
        LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        SlidingPaneLayout v = (SlidingPaneLayout) inflater.inflate(R.layout.swipe_decor_wrapper, null);
        final ViewGroup frame = (ViewGroup) v.findViewById(R.id.swipe_container);
        View swipeView = getSwipeView();
        ViewGroup decor = (ViewGroup) swipeView.getParent();
        ViewGroup.LayoutParams params = swipeView.getLayoutParams();
        decor.removeView(swipeView);
        frame.addView(swipeView);
        decor.addView(v, params);
        decor.setBackgroundColor(0);

        // Elevation
        if (Build.VERSION.SDK_INT >= 21) {
            frame.setElevation(11.8f);
        } else {
            v.setShadowResource(R.drawable.panel_shadow);
        }

        // Swipe gesture configurations
        v.setSliderFadeColor(0);
        v.setPanelSlideListener(new SlidingPaneLayout.PanelSlideListener() {

            @Override
            public void onPanelSlide(View v, float percent) {
                getWindow().getDecorView().setAlpha(1.0f - percent);
            }

            @Override
            public void onPanelOpened(View p1) {
                finish();
            }

            @Override
            public void onPanelClosed(View p1) {
            }
        });

        // Adjust window color
        getWindow().setBackgroundDrawable(new ColorDrawable(0));
    }
}