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package org.wordpress.android.ui.reader.utils;
import android.net.Uri;
import android.text.TextUtils;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonArrayRequest;
import org.json.JSONArray;
import org.json.JSONObject;
import org.wordpress.android.WordPress;
import org.wordpress.android.util.AppLog;
import org.wordpress.android.util.AppLog.T;
import org.wordpress.android.util.JSONUtils;
public class ReaderVideoUtils {
private ReaderVideoUtils() {
throw new AssertionError();
}
/*
* returns the url to get the full-size (480x360) thumbnail url for the passed video
* see http://www.reelseo.com/youtube-thumbnail-image/ for other sizes
*/
public static String getYouTubeThumbnailUrl(final String videoUrl) {
String videoId = getYouTubeVideoId(videoUrl);
if (TextUtils.isEmpty(videoId))
return "";
// note that this *must* use https rather than http - ex: https://img.youtube.com/vi/ClbE019cLNI/0.jpg
return "https://img.youtube.com/vi/" + videoId + "/0.jpg";
}
/*
* returns true if the passed url is a link to a YouTube video
*/
public static boolean isYouTubeVideoLink(final String link) {
return (!TextUtils.isEmpty(getYouTubeVideoId(link)));
}
/*
* extract the video id from the passed YouTube url
*/
private static String getYouTubeVideoId(final String link) {
if (link==null)
return "";
Uri uri = Uri.parse(link);
try {
String host = uri.getHost();
if (host==null)
return "";
// youtube.com links
if (host.equals("youtube.com") || host.equals("www.youtube.com")) {
// if link contains "watch" in the path, then the id is in the "v=" query param
if (link.contains("watch"))
return uri.getQueryParameter("v");
// if the link contains "embed" in the path, then the id is the last path segment
// ex: https://www.youtube.com/embed/fw3w68YrKwc?version=3&rel=1&
if (link.contains("/embed/"))
return uri.getLastPathSegment();
return "";
}
// youtu.be urls have the videoId as the path - ex: http://youtu.be/pEnXclbO9jg
if (host.equals("youtu.be")) {
String path = uri.getPath();
if (path==null)
return "";
// remove the leading slash
return path.replace("/", "");
}
// YouTube mobile urls include video id in fragment, ex: http://m.youtube.com/?dc=organic&source=mog#/watch?v=t77Vlme_pf8
if (host.equals("m.youtube.com")) {
String fragment = uri.getFragment();
if (fragment==null)
return "";
int index = fragment.lastIndexOf("v=");
if (index!=-1)
return fragment.substring(index+2, fragment.length());
}
return "";
} catch (UnsupportedOperationException e) {
AppLog.e(T.READER, e);
return "";
} catch (IndexOutOfBoundsException e) {
// thrown by substring
AppLog.e(T.READER, e);
return "";
}
}
/*
* returns true if the passed url is a link to a Vimeo video
*/
public static boolean isVimeoLink(final String link) {
return (!TextUtils.isEmpty(getVimeoVideoId(link)));
}
/*
* extract the video id from the passed Vimeo url
* ex: http://player.vimeo.com/video/72386905 -> 72386905
*/
private static String getVimeoVideoId(final String link) {
if (link==null)
return "";
if (!link.contains("player.vimeo.com"))
return "";
Uri uri = Uri.parse(link);
return uri.getLastPathSegment();
}
/*
* unlike YouTube thumbnails, Vimeo thumbnails require network request
*/
public static void requestVimeoThumbnail(final String videoUrl, final VideoThumbnailListener thumbListener) {
// useless without a listener
if (thumbListener==null)
return;
String id = getVimeoVideoId(videoUrl);
if (TextUtils.isEmpty(id)) {
thumbListener.onResponse(false, null);
return;
}
Response.Listener<JSONArray> listener = new Response.Listener<JSONArray>() {
public void onResponse(JSONArray response) {
String thumbnailUrl = null;
if (response!=null && response.length() > 0) {
JSONObject json = response.optJSONObject(0);
if (json!=null && json.has("thumbnail_large"))
thumbnailUrl = JSONUtils.getString(json, "thumbnail_large");
}
if (TextUtils.isEmpty(thumbnailUrl)) {
thumbListener.onResponse(false, null);
} else {
thumbListener.onResponse(true, thumbnailUrl);
}
}
};
Response.ErrorListener errorListener = new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError volleyError) {
AppLog.e(T.READER, volleyError);
thumbListener.onResponse(false, null);
}
};
String url = "http://vimeo.com/api/v2/video/" + id + ".json";
JsonArrayRequest request = new JsonArrayRequest(url, listener, errorListener);
WordPress.requestQueue.add(request);
}
public interface VideoThumbnailListener {
void onResponse(boolean successful, String thumbnailUrl);
}
}
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