org.kaaproject.kaa.demo.iotworld.smarthome.fragment.device.PhotoDeviceFragment.java Source code

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Here is the source code for org.kaaproject.kaa.demo.iotworld.smarthome.fragment.device.PhotoDeviceFragment.java

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/**
 *  Copyright 2014-2016 CyberVision, Inc.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.kaaproject.kaa.demo.iotworld.smarthome.fragment.device;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

import org.kaaproject.kaa.demo.iotworld.photo.PhotoAlbumInfo;
import org.kaaproject.kaa.demo.iotworld.smarthome.R;
import org.kaaproject.kaa.demo.iotworld.smarthome.data.PhotoDevice;
import org.kaaproject.kaa.demo.iotworld.smarthome.fragment.device.photo.PhotoAlbumsAdapter;
import org.kaaproject.kaa.demo.iotworld.smarthome.fragment.device.photo.PhotoAlbumsAdapter.PhotoAlbumSelectionListener;
import org.kaaproject.kaa.demo.iotworld.smarthome.widget.AutoSpanRecyclerView;

import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.provider.MediaStore;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.widget.GridLayoutManager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class PhotoDeviceFragment extends AbstractGeoFencingDeviceFragment<PhotoDevice>
        implements PhotoAlbumSelectionListener {

    private static final int REQUEST_SELECT_IMAGE = 3005;

    private TextView mNoDataText;
    private AutoSpanRecyclerView mRecyclerView;
    private PhotoAlbumsAdapter mPhotoAlbumsAdapter;

    public PhotoDeviceFragment() {
        super();
    }

    public PhotoDeviceFragment(String endpointKey) {
        super(endpointKey);
    }

    @Override
    protected int getDeviceLayout() {
        return R.layout.fragment_photo_device;
    }

    @Override
    public String getFragmentTag() {
        return PhotoDeviceFragment.class.getSimpleName();
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        super.onCreateOptionsMenu(menu, inflater);
        inflater.inflate(R.menu.photo, menu);
        MenuItem item = menu.findItem(R.id.action_upload_photo);
        View actionView = MenuItemCompat.getActionView(item);
        if (actionView != null) {
            Button button = (Button) actionView.findViewById(R.id.uploadPhotoButton);
            button.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    uploadPhoto();
                }
            });
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.action_upload_photo:
            if (mControlsEnabled) {
                uploadPhoto();
            }
            return true;
        case R.id.delete_uploaded_photos:
            if (mControlsEnabled) {
                mDevice.deleteUploadedPhotos();
            }
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    @Override
    protected void setupView(LayoutInflater inflater, View rootView) {
        super.setupView(inflater, rootView);

        mNoDataText = (TextView) rootView.findViewById(R.id.noDataText);

        mRecyclerView = (AutoSpanRecyclerView) rootView.findViewById(R.id.recycler_view);
        mRecyclerView.setHasFixedSize(true);

        int cardsSpacing = getResources().getDimensionPixelSize(R.dimen.card_spacing);
        mRecyclerView.setGridLayoutManager(GridLayoutManager.VERTICAL, 1, R.dimen.photo_album_card_width,
                cardsSpacing);
        mPhotoAlbumsAdapter = new PhotoAlbumsAdapter(mRecyclerView, mDevice, this);
    }

    @Override
    protected void bindDevice(boolean firstLoad) {
        super.bindDevice(firstLoad);

        mPhotoAlbumsAdapter.notifyDataSetChanged();
        if (mPhotoAlbumsAdapter.getItemCount() > 0) {
            mNoDataText.setVisibility(View.GONE);
            mRecyclerView.setVisibility(View.VISIBLE);
        } else {
            mRecyclerView.setVisibility(View.GONE);
            mNoDataText.setVisibility(View.VISIBLE);
        }
    }

    @Override
    public void onPhotoAlbumSelected(PhotoAlbumInfo album) {
        if (mControlsEnabled) {
            mDevice.startStopSlideshow(album.getId());
        }
    }

    private void uploadPhoto() {
        if (mControlsEnabled) {
            Intent intent = new Intent(Intent.ACTION_PICK,
                    android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
            startActivityForResult(intent, REQUEST_SELECT_IMAGE);
        }
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == REQUEST_SELECT_IMAGE && resultCode == Activity.RESULT_OK && null != data) {
            Uri selectedImage = data.getData();
            String[] columns = { MediaStore.Images.Media.DATA };

            Cursor cursor = mActivity.getContentResolver().query(selectedImage, columns, null, null, null);
            cursor.moveToFirst();

            int columnIndex = cursor.getColumnIndex(columns[0]);
            String imagePath = cursor.getString(columnIndex);
            cursor.close();

            String imageFileName = null;
            byte[] imageData = null;

            try {
                File f = new File(imagePath);
                imageFileName = f.getName();
                FileInputStream fis = new FileInputStream(imagePath);
                imageData = new byte[fis.available()];
                fis.read(imageData);
                fis.close();
            } catch (IOException e) {
                Log.e(getFragmentTag(), "Unable to read image from path: " + imagePath);
            }
            if (imageData != null) {
                mDevice.uploadPhoto(imageFileName, imageData);
            }
        }
    }

    @Override
    protected void updateControlsState() {
    }

}