fedilab-Android-App/app/src/main/java/fr/gouv/etalab/mastodon/activities/WebviewActivity.java

/* Copyright 2017 Thomas Schneider
 *
 * This file is a part of Mastodon Etalab for mastodon.etalab.gouv.fr
 *
 * 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.
 *
 * Mastodon Etalab 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 Thomas Schneider; if not,
 * see <http://www.gnu.org/licenses>. */
package fr.gouv.etalab.mastodon.activities;


import android.Manifest;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.webkit.DownloadListener;
import android.webkit.WebView;
import android.widget.FrameLayout;

import fr.gouv.etalab.mastodon.helper.Helper;
import fr.gouv.etalab.mastodon.webview.MastalabWebChromeClient;
import fr.gouv.etalab.mastodon.webview.MastalabWebViewClient;
import mastodon.etalab.gouv.fr.mastodon.R;

import static fr.gouv.etalab.mastodon.helper.Helper.EXTERNAL_STORAGE_REQUEST_CODE;
import static fr.gouv.etalab.mastodon.helper.Helper.manageDownloads;


/**
 * Created by Thomas on 24/06/2017.
 * Webview activity
 */

public class WebviewActivity extends AppCompatActivity {

    private String url;



    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        SharedPreferences sharedpreferences = getSharedPreferences(Helper.APP_PREFS, android.content.Context.MODE_PRIVATE);
        int theme = sharedpreferences.getInt(Helper.SET_THEME, Helper.THEME_LIGHT);
        if( theme == Helper.THEME_LIGHT){
            setTheme(R.style.AppTheme);
        }else {
            setTheme(R.style.AppThemeDark);
        }
        setContentView(R.layout.activity_webview);
        Bundle b = getIntent().getExtras();
        if(b != null)
            url = b.getString("url", null);
        if( url == null)
            finish();
        if( getSupportActionBar() != null)
            getSupportActionBar().setDisplayHomeAsUpEnabled(true);

       WebView webView = Helper.initializeWebview(WebviewActivity.this, R.id.webview);

        setTitle("");
        FrameLayout webview_container = (FrameLayout) findViewById(R.id.webview_container);
        final ViewGroup videoLayout = (ViewGroup) findViewById(R.id.videoLayout); // Your own view, read class comments

        MastalabWebChromeClient mastalabWebChromeClient = new MastalabWebChromeClient(WebviewActivity.this,  webView, webview_container, videoLayout);
        mastalabWebChromeClient.setOnToggledFullscreen(new MastalabWebChromeClient.ToggledFullscreenCallback() {
            @Override
            public void toggledFullscreen(boolean fullscreen) {

                if (fullscreen) {
                    videoLayout.setVisibility(View.VISIBLE);
                    WindowManager.LayoutParams attrs = getWindow().getAttributes();
                    attrs.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
                    attrs.flags |= WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
                    getWindow().setAttributes(attrs);
                    getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);
                } else {
                    WindowManager.LayoutParams attrs = getWindow().getAttributes();
                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_FULLSCREEN;
                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
                    getWindow().setAttributes(attrs);
                    getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
                    videoLayout.setVisibility(View.GONE);
                }
            }
        });
        webView.setWebChromeClient(mastalabWebChromeClient);
        webView.setWebViewClient(new MastalabWebViewClient(WebviewActivity.this));
        webView.setDownloadListener(new DownloadListener() {
            @Override
            public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {

                if(Build.VERSION.SDK_INT >= 23 ){
                    if (ContextCompat.checkSelfPermission(WebviewActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED || ContextCompat.checkSelfPermission(WebviewActivity.this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
                        ActivityCompat.requestPermissions(WebviewActivity.this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE}, EXTERNAL_STORAGE_REQUEST_CODE);
                    } else {
                        manageDownloads(WebviewActivity.this, url);
                    }
                }else{
                    manageDownloads(WebviewActivity.this, url);
                }
            }
        });
        webView.loadUrl(url);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                finish();
                return true;
            default:
                return super.onOptionsItemSelected(item);
        }
    }

    @Override
    public void onDestroy(){
        super.onDestroy();

    }
}