com.entertailion.android.slideshow.images.PanoramioImageLoader.java Source code

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Here is the source code for com.entertailion.android.slideshow.images.PanoramioImageLoader.java

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/*
 * Copyright (C) 2011 Google Inc.
 * Copyright (C) 2013 ENTERTAILION, LLC.
 *
 * 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 com.entertailion.android.slideshow.images;

import org.json.JSONArray;
import org.json.JSONObject;

import android.content.Context;
import android.location.Location;
import android.location.LocationManager;
import android.util.Log;

import com.entertailion.android.slideshow.R;
import com.entertailion.android.slideshow.utils.Utils;

public class PanoramioImageLoader extends ImageLoader {
    private static final String LOG_TAG = "PanoramioImageLoader";

    /**
     * Base URL for Panoramio's web API
     * http://www.panoramio.com/api/widget/api.html
     */
    private static final String THUMBNAIL_URL = "http://www.panoramio.com/map/get_panoramas.php?"
            + "order=date_desc" + "&set=recent" + "&from=0" + "&to=500" + "&size=original";

    double mMinLong;

    double mMaxLong;

    double mMinLat;

    double mMaxLat;

    public PanoramioImageLoader(ImageManager sInstance, String query) {
        super(sInstance, query);
        Context context = sInstance.getContext();
        try {
            LocationManager locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
            Location location = locationManager.getLastKnownLocation("static");
            mMinLong = mMaxLong = location.getLongitude();
            mMinLat = mMaxLat = location.getLatitude();
        } catch (Exception e) {
            Log.e(LOG_TAG, "LocationManager error", e);
        }
    }

    @Override
    public void doRun() throws Exception {
        String str = Utils.getCachedData(imageManager.getContext(), THUMBNAIL_URL, true);
        Log.d(LOG_TAG, "json=" + str);
        final JSONObject json = new JSONObject(str);
        doSleep();
        parse(json);
    }

    private void parse(JSONObject json) throws Exception {
        final JSONArray array = json.getJSONArray("photos");
        final int count = array.length();
        for (int i = 0; i < count; i++) {
            final JSONObject obj = array.getJSONObject(i);
            final long id = obj.getLong("photo_id");
            String title = obj.getString("photo_title");
            final String owner = obj.getString("owner_name");
            String original = obj.getString("photo_file_url");
            final String ownerUrl = obj.getString("owner_url");
            final String photoUrl = obj.getString("photo_url");
            final double latitude = obj.getDouble("latitude");
            final double longitude = obj.getDouble("longitude");
            final double width = obj.getDouble("width");
            final double height = obj.getDouble("height");
            if (title == null) {
                title = imageManager.getContext().getString(R.string.untitled);
            }
            if ((width >= 1024 || height >= 1024) && (width <= 2048 || height <= 2048)) {
                doSleep();
                String thumbnail = original.replace("/original/", "/medium/");
                Log.d(LOG_TAG, original);
                final PanoramioImageItem imageItem = new PanoramioImageItem(imageManager.getContext(), id,
                        thumbnail, original, title, owner, ownerUrl, photoUrl, latitude + "," + longitude);
                addItem(imageItem);
            }
        }
    }
}