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package org.fox.ttrss;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.ProgressBar;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.assist.FailReason;
import com.nostra13.universalimageloader.core.display.FadeInBitmapDisplayer;
import com.nostra13.universalimageloader.core.imageaware.ImageAware;
import com.nostra13.universalimageloader.core.imageaware.ImageViewAware;
import com.nostra13.universalimageloader.core.listener.ImageLoadingListener;
import com.viewpagerindicator.UnderlinePageIndicator;
import java.util.ArrayList;
import java.util.List;
public class ArticleImagesPagerActivity extends ActionBarActivity {
private final String TAG = this.getClass().getSimpleName();
private ArrayList<String> m_urls;
private String m_title;
private class ArticleImagesPagerAdapter extends PagerAdapter implements View.OnClickListener {
private List<String> m_urls;
public ArticleImagesPagerAdapter(List<String> urls) {
super();
m_urls = urls;
}
public ArticleImagesPagerAdapter() {
super();
}
@Override
public int getCount() {
return m_urls.size();
}
@Override
public boolean isViewFromObject(View view, Object o) {
return view == o;
}
@Override
public Object instantiateItem(ViewGroup container, final int position) {
String url = m_urls.get(position);
Log.d(TAG, "called for URL: " + url);
LayoutInflater inflater = (LayoutInflater) container.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.article_images_image, null);
ImageView imgView = (ImageView) view.findViewById(R.id.flavor_image);
imgView.setOnClickListener(this);
DisplayImageOptions options = new DisplayImageOptions.Builder()
.cacheInMemory(true)
.resetViewBeforeLoading(true)
.cacheOnDisk(true)
.displayer(new FadeInBitmapDisplayer(200))
.build();
ImageAware imageAware = new ImageViewAware(imgView, false);
final ProgressBar progressBar = (ProgressBar) view.findViewById(R.id.flavor_image_progress);
final View errorMessage = view.findViewById(R.id.flavor_image_error);
ImageLoader.getInstance().displayImage(url, imageAware, options, new ImageLoadingListener() {
@Override
public void onLoadingStarted(String s, View view) {
}
@Override
public void onLoadingFailed(String s, View view, FailReason failReason) {
progressBar.setVisibility(View.GONE);
errorMessage.setVisibility(View.VISIBLE);
}
@Override
public void onLoadingComplete(String s, View view, Bitmap bitmap) {
if (bitmap != null) {
if (bitmap.getWidth() < 128 || bitmap.getHeight() < 128) {
view.setVisibility(View.INVISIBLE);
errorMessage.setVisibility(View.VISIBLE);
} else {
view.setTag(s);
}
}
progressBar.setVisibility(View.GONE);
}
@Override
public void onLoadingCancelled(String s, View view) {
}
});
((ViewPager) container).addView(view, 0);
return view;
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
container.removeView((FrameLayout)object);
}
@Override
public void onClick(View view) {
String url = (String) view.getTag();
if (url != null) {
Log.d(TAG, "click to open:" + url);
try {
Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
startActivity(browserIntent);
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
setTheme(R.style.DarkTheme);
super.onCreate(savedInstanceState);
setContentView(R.layout.article_images_pager);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
if (savedInstanceState == null) {
m_urls = getIntent().getStringArrayListExtra("urls");
m_title = getIntent().getStringExtra("title");
} else {
m_urls = savedInstanceState.getStringArrayList("urls");
m_title = savedInstanceState.getString("title");
}
setTitle(m_title);
Log.d(TAG, "urls size: " + m_urls.size());
ArticleImagesPagerAdapter adapter = new ArticleImagesPagerAdapter(m_urls);
ViewPager pager = (ViewPager) findViewById(R.id.article_images_pager);
pager.setAdapter(adapter);
UnderlinePageIndicator indicator = (UnderlinePageIndicator)findViewById(R.id.article_images_indicator);
indicator.setViewPager(pager);
}
@Override
public void onSaveInstanceState(Bundle out) {
super.onSaveInstanceState(out);
out.putStringArrayList("urls", m_urls);
out.putString("title", m_title);
}
/* @Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.article_images_pager, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
} */
}
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