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package org.mozilla.vrbrowser.ui.adapters;
import android.annotation.SuppressLint;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.databinding.DataBindingUtil;
import androidx.recyclerview.widget.DiffUtil;
import androidx.recyclerview.widget.RecyclerView;
import org.mozilla.vrbrowser.R;
import org.mozilla.vrbrowser.databinding.DownloadItemBinding;
import org.mozilla.vrbrowser.downloads.Download;
import org.mozilla.vrbrowser.ui.callbacks.DownloadItemCallback;
import org.mozilla.vrbrowser.ui.widgets.WidgetPlacement;
import org.mozilla.vrbrowser.utils.AnimationHelper;
import org.mozilla.vrbrowser.utils.SystemUtils;
import java.util.List;
import java.util.Objects;
public class DownloadsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
static final String LOGTAG = SystemUtils.createLogtag(DownloadsAdapter.class);
private static final int ICON_ANIMATION_DURATION = 200;
private List<Download> mDownloadsList;
private int mMinPadding;
private int mMaxPadding;
private boolean mIsNarrowLayout;
@Nullable
private final DownloadItemCallback mDownloadItemCallback;
public DownloadsAdapter(@Nullable DownloadItemCallback clickCallback, Context aContext) {
mDownloadItemCallback = clickCallback;
mMinPadding = WidgetPlacement.pixelDimension(aContext, R.dimen.library_icon_padding_min);
mMaxPadding = WidgetPlacement.pixelDimension(aContext, R.dimen.library_icon_padding_max);
mIsNarrowLayout = false;
setHasStableIds(true);
}
public void setNarrow(boolean isNarrow) {
if (mIsNarrowLayout != isNarrow) {
mIsNarrowLayout = isNarrow;
notifyDataSetChanged();
}
}
public void setDownloadsList(final List<Download> downloadsList) {
if (mDownloadsList == null) {
mDownloadsList = downloadsList;
notifyItemRangeInserted(0, downloadsList.size());
} else {
DiffUtil.DiffResult result = DiffUtil.calculateDiff(new DiffUtil.Callback() {
@Override
public int getOldListSize() {
return mDownloadsList.size();
}
@Override
public int getNewListSize() {
return downloadsList.size();
}
@Override
public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
return mDownloadsList.get(oldItemPosition).getId() == downloadsList.get(newItemPosition).getId();
}
@Override
public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
Download newDownloadItem = downloadsList.get(newItemPosition);
Download oldDownloadItem = mDownloadsList.get(oldItemPosition);
return newDownloadItem.getProgress() == oldDownloadItem.getProgress()
&& newDownloadItem.getStatus() == oldDownloadItem.getStatus()
&& newDownloadItem.getFilename().equals(oldDownloadItem.getFilename());
}
});
mDownloadsList = downloadsList;
result.dispatchUpdatesTo(this);
}
}
public void removeItem(Download downloadItem) {
int position = mDownloadsList.indexOf(downloadItem);
if (position >= 0) {
mDownloadsList.remove(position);
notifyItemRemoved(position);
}
}
public int itemCount() {
if (mDownloadsList != null) {
return mDownloadsList.size();
}
return 0;
}
public int getItemPosition(long id) {
for (int position=0; position<mDownloadsList.size(); position++)
if (mDownloadsList.get(position).getId() == id)
return position;
return 0;
}
@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
DownloadItemBinding binding = DataBindingUtil
.inflate(LayoutInflater.from(parent.getContext()), R.layout.download_item,
parent, false);
binding.setCallback(mDownloadItemCallback);
binding.setIsHovered(false);
binding.setIsNarrow(mIsNarrowLayout);
return new DownloadItemViewHolder(binding);
}
@SuppressLint("ClickableViewAccessibility")
@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
DownloadItemViewHolder item = (DownloadItemViewHolder) holder;
DownloadItemBinding binding = item.binding;
item.binding.setItem(mDownloadsList.get(position));
item.binding.setIsNarrow(mIsNarrowLayout);
binding.layout.setOnHoverListener((view, motionEvent) -> {
int ev = motionEvent.getActionMasked();
switch (ev) {
case MotionEvent.ACTION_HOVER_ENTER:
binding.setIsHovered(true);
view.getBackground().setState(new int[]{android.R.attr.state_hovered});
view.postInvalidate();
return false;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_HOVER_EXIT:
view.getBackground().setState(new int[]{android.R.attr.state_active});
binding.setIsHovered(false);
view.postInvalidate();
return false;
}
return false;
});
binding.layout.setOnTouchListener((view, motionEvent) -> {
int ev = motionEvent.getActionMasked();
switch (ev) {
case MotionEvent.ACTION_UP:
return false;
case MotionEvent.ACTION_DOWN:
binding.more.setImageState(new int[]{android.R.attr.state_active},false);
binding.trash.setImageState(new int[]{android.R.attr.state_active},false);
binding.setIsHovered(true);
return false;
case MotionEvent.ACTION_CANCEL:
binding.setIsHovered(false);
return false;
}
return false;
});
binding.more.setOnHoverListener(mIconHoverListener);
binding.more.setOnTouchListener((view, motionEvent) -> {
binding.setIsHovered(true);
int ev = motionEvent.getActionMasked();
switch (ev) {
case MotionEvent.ACTION_UP:
if (mDownloadItemCallback != null) {
mDownloadItemCallback.onMore(view, binding.getItem());
}
binding.more.setImageState(new int[]{android.R.attr.state_active},true);
return true;
case MotionEvent.ACTION_DOWN:
binding.more.setImageState(new int[]{android.R.attr.state_pressed},true);
return true;
case MotionEvent.ACTION_CANCEL:
binding.setIsHovered(false);
binding.more.setImageState(new int[]{android.R.attr.state_active},true);
return false;
}
return false;
});
binding.trash.setOnHoverListener(mIconHoverListener);
binding.trash.setOnTouchListener((view, motionEvent) -> {
binding.setIsHovered(true);
int ev = motionEvent.getActionMasked();
switch (ev) {
case MotionEvent.ACTION_UP:
if (mDownloadItemCallback != null) {
mDownloadItemCallback.onDelete(view, binding.getItem());
}
binding.trash.setImageState(new int[]{android.R.attr.state_active},true);
return true;
case MotionEvent.ACTION_DOWN:
binding.trash.setImageState(new int[]{android.R.attr.state_pressed},true);
return true;
case MotionEvent.ACTION_CANCEL:
binding.setIsHovered(false);
binding.trash.setImageState(new int[]{android.R.attr.state_active},true);
return false;
}
return false;
});
}
@Override
public int getItemCount() {
return mDownloadsList == null ? 0 : mDownloadsList.size();
}
@Override
public long getItemId(int position) {
Download download = mDownloadsList.get(position);
return download.getId();
}
private View.OnHoverListener mIconHoverListener = (view, motionEvent) -> {
ImageView icon = (ImageView)view;
int ev = motionEvent.getActionMasked();
switch (ev) {
case MotionEvent.ACTION_HOVER_ENTER:
icon.setImageState(new int[]{android.R.attr.state_hovered},true);
AnimationHelper.animateViewPadding(view,
mMaxPadding,
mMinPadding,
ICON_ANIMATION_DURATION);
return false;
case MotionEvent.ACTION_HOVER_EXIT:
icon.setImageState(new int[]{android.R.attr.state_active},true);
AnimationHelper.animateViewPadding(view,
mMinPadding,
mMaxPadding,
ICON_ANIMATION_DURATION);
return false;
}
return false;
};
static class DownloadItemViewHolder extends RecyclerView.ViewHolder {
final DownloadItemBinding binding;
DownloadItemViewHolder(@NonNull DownloadItemBinding binding) {
super(binding.getRoot());
this.binding = binding;
}
}
}