ListItemAdapter: use ViewHolder
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d95ff134d9
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7f4f30c849
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@ -25,127 +25,30 @@ import eu.siacs.conversations.R;
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import eu.siacs.conversations.entities.ListItem;
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import eu.siacs.conversations.entities.ListItem;
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import eu.siacs.conversations.ui.SettingsActivity;
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import eu.siacs.conversations.ui.SettingsActivity;
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import eu.siacs.conversations.ui.XmppActivity;
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import eu.siacs.conversations.ui.XmppActivity;
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import eu.siacs.conversations.utils.EmojiWrapper;
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import eu.siacs.conversations.utils.UIHelper;
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import eu.siacs.conversations.utils.UIHelper;
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public class ListItemAdapter extends ArrayAdapter<ListItem> {
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public class ListItemAdapter extends ArrayAdapter<ListItem> {
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protected XmppActivity activity;
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protected XmppActivity activity;
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protected boolean showDynamicTags = false;
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protected boolean showDynamicTags = false;
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private OnTagClickedListener mOnTagClickedListener = null;
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private View.OnClickListener onTagTvClick = new View.OnClickListener() {
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private View.OnClickListener onTagTvClick = new View.OnClickListener() {
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@Override
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@Override
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public void onClick(View view) {
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public void onClick(View view) {
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if (view instanceof TextView && mOnTagClickedListener != null) {
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if (view instanceof TextView && mOnTagClickedListener != null) {
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TextView tv = (TextView) view;
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TextView tv = (TextView) view;
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final String tag = tv.getText().toString();
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final String tag = tv.getText().toString();
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mOnTagClickedListener.onTagClicked(tag);
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mOnTagClickedListener.onTagClicked(tag);
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}
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}
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}
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}
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};
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};
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private OnTagClickedListener mOnTagClickedListener = null;
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public ListItemAdapter(XmppActivity activity, List<ListItem> objects) {
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public ListItemAdapter(XmppActivity activity, List<ListItem> objects) {
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super(activity, 0, objects);
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super(activity, 0, objects);
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this.activity = activity;
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this.activity = activity;
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}
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}
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public void refreshSettings() {
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SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(activity);
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this.showDynamicTags = preferences.getBoolean(SettingsActivity.SHOW_DYNAMIC_TAGS,false);
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}
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@Override
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public View getView(int position, View view, ViewGroup parent) {
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LayoutInflater inflater = (LayoutInflater) getContext()
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.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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ListItem item = getItem(position);
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if (view == null) {
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view = inflater.inflate(R.layout.contact, parent, false);
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}
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TextView tvName = (TextView) view.findViewById(R.id.contact_display_name);
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TextView tvJid = (TextView) view.findViewById(R.id.contact_jid);
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ImageView picture = (ImageView) view.findViewById(R.id.contact_photo);
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FlowLayout tagLayout = (FlowLayout) view.findViewById(R.id.tags);
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List<ListItem.Tag> tags = item.getTags(activity);
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if (tags.size() == 0 || !this.showDynamicTags) {
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tagLayout.setVisibility(View.GONE);
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} else {
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tagLayout.setVisibility(View.VISIBLE);
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tagLayout.removeAllViewsInLayout();
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for(ListItem.Tag tag : tags) {
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TextView tv = (TextView) inflater.inflate(R.layout.list_item_tag,tagLayout,false);
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tv.setText(tag.getName());
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tv.setBackgroundColor(tag.getColor());
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tv.setOnClickListener(this.onTagTvClick);
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tagLayout.addView(tv);
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}
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}
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final String jid = item.getDisplayJid();
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if (jid != null) {
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tvJid.setVisibility(View.VISIBLE);
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tvJid.setText(jid);
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} else {
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tvJid.setVisibility(View.GONE);
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}
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tvName.setText(item.getDisplayName());
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loadAvatar(item,picture);
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return view;
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}
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public void setOnTagClickedListener(OnTagClickedListener listener) {
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this.mOnTagClickedListener = listener;
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}
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public interface OnTagClickedListener {
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void onTagClicked(String tag);
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}
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class BitmapWorkerTask extends AsyncTask<ListItem, Void, Bitmap> {
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private final WeakReference<ImageView> imageViewReference;
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private ListItem item = null;
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public BitmapWorkerTask(ImageView imageView) {
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imageViewReference = new WeakReference<>(imageView);
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}
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@Override
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protected Bitmap doInBackground(ListItem... params) {
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return activity.avatarService().get(params[0], activity.getPixel(48), isCancelled());
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}
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@Override
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protected void onPostExecute(Bitmap bitmap) {
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if (bitmap != null && !isCancelled()) {
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final ImageView imageView = imageViewReference.get();
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if (imageView != null) {
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imageView.setImageBitmap(bitmap);
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imageView.setBackgroundColor(0x00000000);
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}
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}
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}
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}
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public void loadAvatar(ListItem item, ImageView imageView) {
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if (cancelPotentialWork(item, imageView)) {
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final Bitmap bm = activity.avatarService().get(item,activity.getPixel(48),true);
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if (bm != null) {
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cancelPotentialWork(item, imageView);
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imageView.setImageBitmap(bm);
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imageView.setBackgroundColor(0x00000000);
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} else {
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imageView.setBackgroundColor(UIHelper.getColorForName(item.getDisplayName()));
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imageView.setImageDrawable(null);
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final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
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final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
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imageView.setImageDrawable(asyncDrawable);
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try {
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task.execute(item);
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} catch (final RejectedExecutionException ignored) {
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}
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}
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}
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}
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public static boolean cancelPotentialWork(ListItem item, ImageView imageView) {
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public static boolean cancelPotentialWork(ListItem item, ImageView imageView) {
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final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
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final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
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@ -171,6 +74,100 @@ public class ListItemAdapter extends ArrayAdapter<ListItem> {
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return null;
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return null;
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}
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}
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public void refreshSettings() {
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SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(activity);
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this.showDynamicTags = preferences.getBoolean(SettingsActivity.SHOW_DYNAMIC_TAGS, false);
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}
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@Override
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public View getView(int position, View view, ViewGroup parent) {
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LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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ListItem item = getItem(position);
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if (view == null) {
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view = inflater.inflate(R.layout.contact, parent, false);
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}
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ViewHolder viewHolder = ViewHolder.get(view);
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List<ListItem.Tag> tags = item.getTags(activity);
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if (tags.size() == 0 || !this.showDynamicTags) {
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viewHolder.tags.setVisibility(View.GONE);
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} else {
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viewHolder.tags.setVisibility(View.VISIBLE);
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viewHolder.tags.removeAllViewsInLayout();
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for (ListItem.Tag tag : tags) {
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TextView tv = (TextView) inflater.inflate(R.layout.list_item_tag, viewHolder.tags, false);
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tv.setText(tag.getName());
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tv.setBackgroundColor(tag.getColor());
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tv.setOnClickListener(this.onTagTvClick);
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viewHolder.tags.addView(tv);
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}
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}
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final String jid = item.getDisplayJid();
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if (jid != null) {
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viewHolder.jid.setVisibility(View.VISIBLE);
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viewHolder.jid.setText(jid);
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} else {
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viewHolder.jid.setVisibility(View.GONE);
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}
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viewHolder.name.setText(EmojiWrapper.transform(item.getDisplayName()));
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loadAvatar(item, viewHolder.avatar);
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return view;
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}
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public void setOnTagClickedListener(OnTagClickedListener listener) {
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this.mOnTagClickedListener = listener;
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}
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public void loadAvatar(ListItem item, ImageView imageView) {
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if (cancelPotentialWork(item, imageView)) {
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final Bitmap bm = activity.avatarService().get(item, activity.getPixel(48), true);
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if (bm != null) {
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cancelPotentialWork(item, imageView);
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imageView.setImageBitmap(bm);
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imageView.setBackgroundColor(0x00000000);
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} else {
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imageView.setBackgroundColor(UIHelper.getColorForName(item.getDisplayName()));
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imageView.setImageDrawable(null);
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final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
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final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
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imageView.setImageDrawable(asyncDrawable);
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try {
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task.execute(item);
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} catch (final RejectedExecutionException ignored) {
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}
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}
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}
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}
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public interface OnTagClickedListener {
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void onTagClicked(String tag);
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}
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private static class ViewHolder {
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private TextView name;
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private TextView jid;
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private ImageView avatar;
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private FlowLayout tags;
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private ViewHolder() {
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}
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public static ViewHolder get(View layout) {
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ViewHolder viewHolder = (ViewHolder) layout.getTag();
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if (viewHolder == null) {
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viewHolder = new ViewHolder();
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viewHolder.name = layout.findViewById(R.id.contact_display_name);
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viewHolder.jid = layout.findViewById(R.id.contact_jid);
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viewHolder.avatar = layout.findViewById(R.id.contact_photo);
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viewHolder.tags = layout.findViewById(R.id.tags);
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layout.setTag(viewHolder);
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}
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return viewHolder;
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}
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}
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static class AsyncDrawable extends BitmapDrawable {
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static class AsyncDrawable extends BitmapDrawable {
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private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
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private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
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@ -184,4 +181,29 @@ public class ListItemAdapter extends ArrayAdapter<ListItem> {
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}
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}
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}
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}
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class BitmapWorkerTask extends AsyncTask<ListItem, Void, Bitmap> {
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private final WeakReference<ImageView> imageViewReference;
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private ListItem item = null;
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public BitmapWorkerTask(ImageView imageView) {
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imageViewReference = new WeakReference<>(imageView);
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}
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@Override
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protected Bitmap doInBackground(ListItem... params) {
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return activity.avatarService().get(params[0], activity.getPixel(48), isCancelled());
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}
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@Override
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protected void onPostExecute(Bitmap bitmap) {
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if (bitmap != null && !isCancelled()) {
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final ImageView imageView = imageViewReference.get();
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if (imageView != null) {
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imageView.setImageBitmap(bitmap);
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imageView.setBackgroundColor(0x00000000);
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}
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}
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}
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}
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}
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}
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