package au.com.museumvictoria.fieldguide.bunurong.ui;
import android.annotation.SuppressLint;
import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.WindowManager.LayoutParams;
import au.com.museumvictoria.fieldguide.bunurong.R;
import au.com.museumvictoria.fieldguide.bunurong.provider.Images;
import au.com.museumvictoria.fieldguide.bunurong.ui.fragments.ImageDetailFragment;
import au.com.museumvictoria.fieldguide.bunurong.util.ImageResizer;
import au.com.museumvictoria.fieldguide.bunurong.util.ImageWorker;
import au.com.museumvictoria.fieldguide.bunurong.util.Utils;
import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.SherlockFragment;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.actionbarsherlock.view.MenuItem;
/**
* <p>Image full screen activity with a caption and credit</p>
*
* @author Ajay Ranipeta <ajay.ranipeta@gmail.com>
*
*/
@SuppressLint("NewApi")
public class ImageDetailActivity extends SherlockFragmentActivity implements OnClickListener {
private static final String TAG = "Bunurong.ImageDetailActivity";
public static final String EXTRA_IMAGE = "extra_image";
public static final String EXTRA_GALLERY = "extra_gallery";
public static final String EXTRA_PATH = "extra_path";
private ImagePagerAdapter mAdapter;
private ImageResizer mImageWorker;
private ViewPager mPager;
private static String[] images;
private static int galleryReference;
private static String imagepath;
public ImageDetailActivity() {
// this.galleryReference = R.array.list_images_gallery;
// images = getResources().getStringArray(galleryReference);
}
// public ImageDetailActivity(int galleryReference) {
// this.galleryReference = galleryReference;
// images = getResources().getStringArray(galleryReference);
// }
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.image_detail_pager); // Contains just a ViewPager
// Fetch screen height and width, to use as our max size when loading images as this
// activity runs full screen
final DisplayMetrics displaymetrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(displaymetrics);
final int height = displaymetrics.heightPixels;
final int width = displaymetrics.widthPixels;
final int longest = height > width ? height : width;
// The ImageWorker takes care of loading images into our ImageView children asynchronously
mImageWorker = new ImageResizer(this, longest);
//Images.loadImages(getResources(), galleryReference);
mImageWorker.setAdapter(Images.imageWorkerUrlsAdapter);
//mImageWorker.setImageCache(ImageCache.findOrCreateCache(this, IMAGE_CACHE_DIR));
mImageWorker.setImageFadeIn(false);
// Set up ViewPager and backing adapter
mAdapter = new ImagePagerAdapter(getSupportFragmentManager(),
mImageWorker.getAdapter().getSize());
mPager = (ViewPager) findViewById(R.id.pager);
mPager.setAdapter(mAdapter);
mPager.setPageMargin((int) getResources().getDimension(R.dimen.image_detail_pager_margin));
// Set up activity to go full screen
getWindow().addFlags(LayoutParams.FLAG_FULLSCREEN);
// Enable some additional newer visibility and ActionBar features to create a more immersive
// photo viewing experience
final ActionBar actionBar = getSupportActionBar();
if (Utils.hasActionBar()) {
// TODO: actionBar is null. Fix this.
if (actionBar != null) {
// Enable "up" navigation on ActionBar icon and hide title text
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setDisplayShowTitleEnabled(false);
// Start low profile mode and hide ActionBar
mPager.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);
actionBar.hide();
// Hide and show the ActionBar as the visibility changes
mPager.setOnSystemUiVisibilityChangeListener(
new View.OnSystemUiVisibilityChangeListener() {
@Override
public void onSystemUiVisibilityChange(int vis) {
if ((vis & View.SYSTEM_UI_FLAG_LOW_PROFILE) != 0) {
actionBar.hide();
} else {
actionBar.show();
}
}
});
}
} else {
if (actionBar != null) {
actionBar.hide();
}
}
// Set the current item based on the extra passed in to this activity
imagepath = getIntent().getStringExtra(EXTRA_PATH);
galleryReference = getIntent().getIntExtra(EXTRA_GALLERY, -1);
final int extraCurrentItem = getIntent().getIntExtra(EXTRA_IMAGE, -1);
Log.d(TAG, "imagepath: " + imagepath);
Log.d(TAG, "galleryReference: " + galleryReference);
Log.d(TAG, "extraCurrentItem: " + extraCurrentItem);
if (extraCurrentItem != -1) {
mPager.setCurrentItem(extraCurrentItem);
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// Home or "up" navigation
// final Intent intent = new Intent(this, HomeActivity.class);
// intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
// startActivity(intent);
finish();
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* Called by the ViewPager child fragments to load images via the one ImageWorker
*
* @return
*/
public ImageWorker getImageWorker() {
return mImageWorker;
}
/**
* The main adapter that backs the ViewPager. A subclass of FragmentStatePagerAdapter as there
* could be a large number of items in the ViewPager and we don't want to retain them all in
* memory at once but create/destroy them on the fly.
*/
private class ImagePagerAdapter extends FragmentStatePagerAdapter {
private final int mSize;
public ImagePagerAdapter(FragmentManager fm, int size) {
super(fm);
mSize = size;
}
@Override
public int getCount() {
return mSize;
}
@Override
public SherlockFragment getItem(int position) {
if (galleryReference == -1) {
Log.d(TAG, "Setting IDF.id");
return ImageDetailFragment.newInstance(position);
} else {
Log.d(TAG, "Setting IDF.id and IDF.galleryref");
return ImageDetailFragment.newInstance(position, galleryReference);
}
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
final ImageDetailFragment fragment = (ImageDetailFragment) object;
// As the item gets destroyed we try and cancel any existing work.
fragment.cancelWork();
super.destroyItem(container, position, object);
}
}
/**
* Set on the ImageView in the ViewPager children fragments, to enable/disable low profile mode
* when the ImageView is touched.
*/
@SuppressLint("NewApi")
@Override
public void onClick(View v) {
final int vis = mPager.getSystemUiVisibility();
if ((vis & View.SYSTEM_UI_FLAG_LOW_PROFILE) != 0) {
mPager.setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
} else {
mPager.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);
}
}
}