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package it.niedermann.nextcloud.deck.ui.card.attachments;
import static androidx.lifecycle.Transformations.distinctUntilChanged;
import static androidx.recyclerview.widget.RecyclerView.NO_ID;
import static it.niedermann.nextcloud.deck.util.AttachmentUtil.openAttachment;
import android.app.Activity;
import android.view.LayoutInflater;
import android.view.MenuInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.ColorInt;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.app.ActivityOptionsCompat;
import androidx.fragment.app.FragmentManager;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;
import androidx.recyclerview.widget.RecyclerView;
import java.util.ArrayList;
import java.util.List;
import it.niedermann.nextcloud.deck.R;
import it.niedermann.nextcloud.deck.databinding.ItemAttachmentDefaultBinding;
import it.niedermann.nextcloud.deck.databinding.ItemAttachmentImageBinding;
import it.niedermann.nextcloud.deck.model.Account;
import it.niedermann.nextcloud.deck.model.Attachment;
import it.niedermann.nextcloud.deck.ui.attachments.AttachmentsActivity;
import it.niedermann.nextcloud.deck.ui.theme.Themed;
import it.niedermann.nextcloud.deck.util.MimeTypeUtil;
@SuppressWarnings("WeakerAccess")
public class CardAttachmentAdapter extends RecyclerView.Adapter<AttachmentViewHolder> implements Themed {
public static final int VIEW_TYPE_DEFAULT = 2;
public static final int VIEW_TYPE_IMAGE = 1;
@NonNull
private final MutableLiveData<Boolean> isEmpty = new MutableLiveData<>(true);
@NonNull
private final MenuInflater menuInflater;
@ColorInt
private int color;
private final Account account;
@Nullable
private Long cardRemoteId = null;
private final long cardLocalId;
@NonNull
private final FragmentManager fragmentManager;
@NonNull
private final List<Attachment> attachments = new ArrayList<>();
@NonNull
private final AttachmentClickedListener attachmentClickedListener;
CardAttachmentAdapter(
@NonNull FragmentManager fragmentManager,
@NonNull MenuInflater menuInflater,
@NonNull AttachmentClickedListener attachmentClickedListener,
@NonNull Account account,
@Nullable Long cardLocalId
) {
super();
this.fragmentManager = fragmentManager;
this.menuInflater = menuInflater;
this.attachmentClickedListener = attachmentClickedListener;
this.account = account;
this.cardLocalId = cardLocalId == null ? NO_ID : cardLocalId;
setHasStableIds(true);
}
@Override
public long getItemId(int position) {
Long id = attachments.get(position).getLocalId();
return id == null ? NO_ID : id;
}
@NonNull
@Override
public AttachmentViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
final var context = parent.getContext();
return switch (viewType) {
case VIEW_TYPE_IMAGE ->
new ImageAttachmentViewHolder(ItemAttachmentImageBinding.inflate(LayoutInflater.from(context), parent, false));
default ->
new DefaultAttachmentViewHolder(ItemAttachmentDefaultBinding.inflate(LayoutInflater.from(context), parent, false));
};
}
@Override
public void onBindViewHolder(@NonNull AttachmentViewHolder holder, int position) {
final var attachment = attachments.get(position);
final var context = holder.itemView.getContext();
final View.OnClickListener onClickListener;
switch (getItemViewType(position)) {
case VIEW_TYPE_IMAGE: {
onClickListener = (event) -> {
attachmentClickedListener.onAttachmentClicked(position);
final var intent = AttachmentsActivity.createIntent(context, account, cardLocalId, attachment.getLocalId());
if (context instanceof Activity) {
String transitionName = context.getString(R.string.transition_attachment_preview, String.valueOf(attachment.getLocalId()));
holder.getPreview().setTransitionName(transitionName);
context.startActivity(intent, ActivityOptionsCompat.makeSceneTransitionAnimation((Activity) context, holder.getPreview(), transitionName).toBundle());
} else {
context.startActivity(intent);
}
};
break;
}
case VIEW_TYPE_DEFAULT:
default: {
onClickListener = (event) -> openAttachment(account, context, cardRemoteId, attachment);
break;
}
}
holder.bind(account, menuInflater, fragmentManager, cardRemoteId, attachment, onClickListener, color);
}
@Override
public int getItemViewType(int position) {
return MimeTypeUtil.isImage(attachments.get(position).getMimetype()) ? VIEW_TYPE_IMAGE : VIEW_TYPE_DEFAULT;
}
@Override
public int getItemCount() {
return attachments.size();
}
private void updateIsEmpty() {
this.isEmpty.postValue(getItemCount() <= 0);
}
@NonNull
public LiveData<Boolean> isEmpty() {
return distinctUntilChanged(this.isEmpty);
}
public void setAttachments(@NonNull List<Attachment> attachments, @Nullable Long cardRemoteId) {
this.cardRemoteId = cardRemoteId;
this.attachments.clear();
this.attachments.addAll(attachments);
notifyDataSetChanged();
this.updateIsEmpty();
}
public void addAttachment(Attachment a) {
this.attachments.add(0, a);
notifyItemInserted(this.attachments.size());
this.updateIsEmpty();
}
public void removeAttachment(Attachment a) {
final int index = this.attachments.indexOf(a);
this.attachments.remove(a);
notifyItemRemoved(index);
this.updateIsEmpty();
}
public void replaceAttachment(Attachment toReplace, Attachment with) {
final int index = this.attachments.indexOf(toReplace);
this.attachments.remove(toReplace);
this.attachments.add(index, with);
notifyItemChanged(index);
}
@Override
public void applyTheme(@ColorInt int color) {
this.color = color;
notifyDataSetChanged();
}
}
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