package it.gcacace.android.socialbuttons;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.List;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.StatusLine;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONObject;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.content.res.TypedArray;
import android.net.Uri;
import android.os.AsyncTask;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
public class FacebookSharesButton extends AbstractSharesButton {
public static final int TYPE_MEDIUM = 1;
private class SharesCountFetcherTask extends AsyncTask<String, Void, Long> {
@Override
protected Long doInBackground(String... uri) {
HttpClient httpclient = new DefaultHttpClient();
HttpResponse response;
Long shares = null;
try {
HttpGet getRequest = new HttpGet("http://graph.facebook.com/fql?q=" + URLEncoder.encode("SELECT total_count FROM link_stat WHERE url='" + uri[0] + "'", "UTF-8"));
response = httpclient.execute(getRequest);
StatusLine statusLine = response.getStatusLine();
if(statusLine.getStatusCode() == HttpStatus.SC_OK){
ByteArrayOutputStream out = new ByteArrayOutputStream();
response.getEntity().writeTo(out);
out.close();
JSONObject result = new JSONObject(out.toString());
JSONArray data = result.getJSONArray("data");
shares = ((JSONObject)data.get(0)).getLong("total_count");
} else{
//Closes the connection.
response.getEntity().getContent().close();
throw new IOException(statusLine.getReasonPhrase());
}
} catch (Exception e) {
e.printStackTrace();
}
return shares;
}
@Override
protected void onPostExecute(Long result) {
onSharesDownloaded(result);
}
}
public FacebookSharesButton(Context context) {
super(context);
initView(null);
}
@SuppressLint("NewApi")
public FacebookSharesButton(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs);
initView(attrs);
}
public FacebookSharesButton(Context context, AttributeSet attrs) {
super(context, attrs);
initView(attrs);
}
protected void initView(AttributeSet attrs) {
LayoutInflater inflater = LayoutInflater.from(getContext());
if(attrs != null) {
TypedArray a = getContext().obtainStyledAttributes(attrs,R.styleable.FacebookSharesButton);
setSharesUrl(a.getString(R.styleable.FacebookSharesButton_fbsharesUrl));
setType(a.getInt(R.styleable.FacebookSharesButton_fbtype, TYPE_NORMAL));
setAnnotation(a.getInt(R.styleable.FacebookSharesButton_fbannotation, ANNOTATION_NONE));
setHideIfZero(a.getBoolean(R.styleable.FacebookSharesButton_fbhideIfZero, false));
a.recycle();
}
// Inflating the right layout
switch(getType()) {
case TYPE_MEDIUM:
inflater.inflate(R.layout.button_facebook_medium, this);
break;
default:
inflater.inflate(R.layout.button_facebook_normal, this);
}
setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String sharesUrl = getSharesUrl();
if(sharesUrl != null) {
Intent shareIntent = new Intent(Intent.ACTION_SEND);
shareIntent.setType("text/plain");
shareIntent.putExtra(android.content.Intent.EXTRA_TEXT, sharesUrl);
shareIntent.setPackage("com.facebook.katana");
List<ResolveInfo> resInfo = getContext().getPackageManager().queryIntentActivities(shareIntent, 0);
if (resInfo == null || resInfo.isEmpty()){
shareIntent = new Intent();
try {
shareIntent.setData(Uri.parse("https://www.facebook.com/sharer/sharer.php?u=" + URLEncoder.encode(sharesUrl, "UTF-8")));
shareIntent.setAction(Intent.ACTION_VIEW);
} catch (UnsupportedEncodingException e) {
shareIntent.setData(Uri.parse(sharesUrl));
shareIntent.setAction(Intent.ACTION_SEND);
}
}
getContext().startActivity(shareIntent);
}
}
});
// Call the parent to start the fetching routine
super.initView(attrs);
}
@Override
protected void downloadShares(String sharesUrl) {
new SharesCountFetcherTask().execute(sharesUrl);
}
}
