/*
 * 				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.util.webkit;

import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.net.Uri;
import android.net.http.SslError;
import android.support.annotation.NonNull;
import android.webkit.SslErrorHandler;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import org.getlantern.firetweet.fragment.BaseWebViewFragment;

import static org.getlantern.firetweet.util.Utils.showErrorMessage;

public class DefaultWebViewClient extends WebViewClient {

    private final Activity mActivity;
    private final SharedPreferences mPreferences;

    public DefaultWebViewClient(final Activity activity) {
        mActivity = activity;
        mPreferences = activity.getSharedPreferences(BaseWebViewFragment.SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);
    }

    @Override
    public void onPageFinished(final WebView view, final String url) {
        super.onPageFinished(view, url);
    }

    @Override
    public void onPageStarted(final WebView view, final String url, final Bitmap favicon) {
        super.onPageStarted(view, url, favicon);
    }

    @Override
    public void onReceivedSslError(final WebView view, @NonNull final SslErrorHandler handler,
                                   final SslError error) {
        if (mPreferences.getBoolean(BaseWebViewFragment.KEY_IGNORE_SSL_ERROR, false)) {
            handler.proceed();
        } else {
            handler.cancel();
        }
    }

    @Override
    public boolean shouldOverrideUrlLoading(final WebView view, final String url) {
        try {
            mActivity.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
        } catch (final ActivityNotFoundException e) {
            showErrorMessage(mActivity, null, e, false);
        }
        return true;
    }
}