1 files changed, 188 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/ui/adapter/ListItemAdapter.java b/src/main/java/eu/siacs/conversations/ui/adapter/ListItemAdapter.java
new file mode 100644
index 00000000..29d706c7
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/ui/adapter/ListItemAdapter.java
@@ -0,0 +1,188 @@
+package eu.siacs.conversations.ui.adapter;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.os.AsyncTask;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import java.lang.ref.WeakReference;
+import java.util.List;
+import java.util.concurrent.RejectedExecutionException;
+
+import de.thedevstack.conversationsplus.ConversationsPlusPreferences;
+import de.tzur.conversations.Settings;
+import eu.siacs.conversations.R;
+import eu.siacs.conversations.entities.ListItem;
+import eu.siacs.conversations.services.AvatarService;
+import eu.siacs.conversations.ui.XmppActivity;
+import eu.siacs.conversations.utils.UIHelper;
+import eu.siacs.conversations.xmpp.jid.Jid;
+
+public class ListItemAdapter extends ArrayAdapter<ListItem> {
+
+	protected XmppActivity activity;
+	protected boolean showDynamicTags = false;
+	private View.OnClickListener onTagTvClick = new View.OnClickListener() {
+		@Override
+		public void onClick(View view) {
+			if (view instanceof  TextView && mOnTagClickedListener != null) {
+				TextView tv = (TextView) view;
+				final String tag = tv.getText().toString();
+				mOnTagClickedListener.onTagClicked(tag);
+			}
+		}
+	};
+	private OnTagClickedListener mOnTagClickedListener = null;
+
+	public ListItemAdapter(XmppActivity activity, List<ListItem> objects) {
+		super(activity, 0, objects);
+		this.activity = activity;
+		this.showDynamicTags = ConversationsPlusPreferences.showDynamicTags();
+	}
+
+	@Override
+	public View getView(int position, View view, ViewGroup parent) {
+		LayoutInflater inflater = (LayoutInflater) getContext()
+				.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+		ListItem item = getItem(position);
+		if (view == null) {
+			view = inflater.inflate(R.layout.contact, parent, false);
+		}
+
+		if (Settings.SHOW_ONLINE_STATUS) {
+			TextView tvStatus = (TextView) view.findViewById(R.id.contact_status);
+			tvStatus.setBackgroundColor(item.getStatusColor());
+		}
+
+		TextView tvName = (TextView) view.findViewById(R.id.contact_display_name);
+		TextView tvJid = (TextView) view.findViewById(R.id.contact_jid);
+		ImageView picture = (ImageView) view.findViewById(R.id.contact_photo);
+		LinearLayout tagLayout = (LinearLayout) view.findViewById(R.id.tags);
+
+		List<ListItem.Tag> tags = item.getTags();
+		if (tags.size() == 0 || !this.showDynamicTags) {
+			tagLayout.setVisibility(View.GONE);
+		} else {
+			tagLayout.setVisibility(View.VISIBLE);
+			tagLayout.removeAllViewsInLayout();
+			for(ListItem.Tag tag : tags) {
+				TextView tv = (TextView) inflater.inflate(R.layout.list_item_tag,tagLayout,false);
+				tv.setText(tag.getName());
+				tv.setBackgroundColor(tag.getColor());
+				tv.setOnClickListener(this.onTagTvClick);
+				tagLayout.addView(tv);
+			}
+		}
+		final String jid = item.getDisplayJid();
+		if (jid != null) {
+			tvJid.setVisibility(View.VISIBLE);
+			tvJid.setText(jid);
+		} else {
+			tvJid.setVisibility(View.GONE);
+		}
+		tvName.setText(item.getDisplayName());
+		loadAvatar(item,picture);
+		return view;
+	}
+
+	public void setOnTagClickedListener(OnTagClickedListener listener) {
+		this.mOnTagClickedListener = listener;
+	}
+
+	public interface OnTagClickedListener {
+		void onTagClicked(String tag);
+	}
+
+	class BitmapWorkerTask extends AsyncTask<ListItem, Void, Bitmap> {
+		private final WeakReference<ImageView> imageViewReference;
+		private ListItem item = null;
+
+		public BitmapWorkerTask(ImageView imageView) {
+			imageViewReference = new WeakReference<>(imageView);
+		}
+
+		@Override
+		protected Bitmap doInBackground(ListItem... params) {
+			return AvatarService.getInstance().get(params[0], activity.getPixel(48));
+		}
+
+		@Override
+		protected void onPostExecute(Bitmap bitmap) {
+			if (bitmap != null) {
+				final ImageView imageView = imageViewReference.get();
+				if (imageView != null) {
+					imageView.setImageBitmap(bitmap);
+					imageView.setBackgroundColor(0x00000000);
+				}
+			}
+		}
+	}
+
+	public void loadAvatar(ListItem item, ImageView imageView) {
+		if (cancelPotentialWork(item, imageView)) {
+			final Bitmap bm = AvatarService.getInstance().get(item,activity.getPixel(48),true);
+			if (bm != null) {
+				imageView.setImageBitmap(bm);
+				imageView.setBackgroundColor(0x00000000);
+			} else {
+				imageView.setBackgroundColor(UIHelper.getColorForName(item.getDisplayName()));
+				imageView.setImageDrawable(null);
+				final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
+				final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
+				imageView.setImageDrawable(asyncDrawable);
+				try {
+					task.execute(item);
+				} catch (final RejectedExecutionException ignored) {
+				}
+			}
+		}
+	}
+
+	public static boolean cancelPotentialWork(ListItem item, ImageView imageView) {
+		final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
+
+		if (bitmapWorkerTask != null) {
+			final ListItem oldItem = bitmapWorkerTask.item;
+			if (oldItem == null || item != oldItem) {
+				bitmapWorkerTask.cancel(true);
+			} else {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
+		if (imageView != null) {
+			final Drawable drawable = imageView.getDrawable();
+			if (drawable instanceof AsyncDrawable) {
+				final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
+				return asyncDrawable.getBitmapWorkerTask();
+			}
+		}
+		return null;
+	}
+
+	static class AsyncDrawable extends BitmapDrawable {
+		private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
+
+		public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
+			super(res, bitmap);
+			bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
+		}
+
+		public BitmapWorkerTask getBitmapWorkerTask() {
+			return bitmapWorkerTaskReference.get();
+		}
+	}
+
+}