chinwag-android/app/src/main/java/com/keylesspalace/tusky/ViewMediaFragment.java

/* Copyright 2017 Andrew Dawson
 *
 * This file is part of Tusky.
 *
 * Tusky 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.
 *
 * Tusky 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 Tusky. If not, see
 * <http://www.gnu.org/licenses/>. */

package com.keylesspalace.tusky;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.squareup.picasso.Callback;
import com.squareup.picasso.Picasso;

import uk.co.senab.photoview.PhotoView;
import uk.co.senab.photoview.PhotoViewAttacher;

public class ViewMediaFragment extends Fragment {

    private PhotoViewAttacher attacher;

    public static ViewMediaFragment newInstance(String url) {
        Bundle arguments = new Bundle();
        ViewMediaFragment fragment = new ViewMediaFragment();
        arguments.putString("url", url);
        fragment.setArguments(arguments);
        return fragment;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, final ViewGroup container,
                             Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.fragment_view_media, container, false);

        Bundle arguments = getArguments();
        String url = arguments.getString("url");
        PhotoView photoView = (PhotoView) rootView.findViewById(R.id.view_media_image);

        attacher = new PhotoViewAttacher(photoView);

        attacher.setOnPhotoTapListener(new PhotoViewAttacher.OnPhotoTapListener() {
            @Override
            public void onPhotoTap(View view, float x, float y) {

            }

            @Override
            public void onOutsidePhotoTap() {
                dismiss();
            }
        });

        Picasso.with(getContext())
                .load(url)
                .into(photoView, new Callback() {
                    @Override
                    public void onSuccess() {
                        attacher.update();
                    }

                    @Override
                    public void onError() {

                    }
                });

        return rootView;
    }

    @Override
    public void onDestroyView() {
        attacher.cleanup();
        super.onDestroyView();
    }

    private void dismiss() {
        getFragmentManager().popBackStack();
    }
}