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BookmarkAdapter.java
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BookmarkAdapter.java
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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.BookmarkItemBinding;
import org.mozilla.vrbrowser.databinding.BookmarkItemFolderBinding;
import org.mozilla.vrbrowser.databinding.BookmarkSeparatorBinding;
import org.mozilla.vrbrowser.ui.callbacks.BookmarkItemCallback;
import org.mozilla.vrbrowser.ui.callbacks.BookmarkItemFolderCallback;
import org.mozilla.vrbrowser.ui.widgets.WidgetPlacement;
import org.mozilla.vrbrowser.utils.AnimationHelper;
import org.mozilla.vrbrowser.utils.SystemUtils;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import mozilla.appservices.places.BookmarkRoot;
import mozilla.components.concept.storage.BookmarkNode;
import mozilla.components.concept.storage.BookmarkNodeType;
public class BookmarkAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
static final String LOGTAG = SystemUtils.createLogtag(BookmarkAdapter.class);
private static final int ICON_ANIMATION_DURATION = 200;
private List<BookmarkNode> mBookmarksList;
private List<Bookmark> mDisplayList;
private int mMinPadding;
private int mMaxPadding;
private boolean mIsNarrowLayout;
@Nullable
private final BookmarkItemCallback mBookmarkItemCallback;
public BookmarkAdapter(@Nullable BookmarkItemCallback clickCallback, Context aContext) {
mBookmarkItemCallback = clickCallback;
mMinPadding = WidgetPlacement.pixelDimension(aContext, R.dimen.library_icon_padding_min);
mMaxPadding = WidgetPlacement.pixelDimension(aContext, R.dimen.library_icon_padding_max);
mIsNarrowLayout = false;
setHasStableIds(false);
}
public void setNarrow(boolean isNarrow) {
if (mIsNarrowLayout != isNarrow) {
mIsNarrowLayout = isNarrow;
notifyDataSetChanged();
}
}
public void setBookmarkList(final List<BookmarkNode> bookmarkList) {
mBookmarksList = bookmarkList;
List<Bookmark> newDisplayList;
if (mDisplayList == null || mDisplayList.isEmpty()) {
newDisplayList = Bookmark.getDisplayListTree(mBookmarksList, Collections.singletonList(BookmarkRoot.Mobile.getId()));
mDisplayList = newDisplayList;
for (Bookmark node : mDisplayList) {
if (node.isExpanded()) {
if (mBookmarkItemCallback != null) {
mBookmarkItemCallback.onFolderOpened(node);
}
}
}
notifyItemRangeInserted(0, mDisplayList.size());
} else {
List<String> openFoldersGuid = Bookmark.getOpenFoldersGuid(mDisplayList);
newDisplayList = Bookmark.getDisplayListTree(mBookmarksList, openFoldersGuid);
notifyDiff(newDisplayList);
}
}
private void notifyDiff(List<Bookmark> newDisplayList) {
DiffUtil.DiffResult result = DiffUtil.calculateDiff(new DiffUtil.Callback() {
@Override
public int getOldListSize() {
return mDisplayList.size();
}
@Override
public int getNewListSize() {
return newDisplayList.size();
}
@Override
public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
return mDisplayList.get(oldItemPosition).getGuid().equals(newDisplayList.get(newItemPosition).getGuid()) &&
mDisplayList.get(oldItemPosition).isExpanded() == newDisplayList.get(newItemPosition).isExpanded();
}
@Override
public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
Bookmark newBookmark = newDisplayList.get(newItemPosition);
Bookmark oldBookmark = mDisplayList.get(oldItemPosition);
return newBookmark.getGuid().equals(oldBookmark.getGuid())
&& Objects.equals(newBookmark.getTitle(), oldBookmark.getTitle())
&& Objects.equals(newBookmark.getUrl(), oldBookmark.getUrl())
&& newBookmark.isExpanded() == oldBookmark.isExpanded();
}
});
mDisplayList = newDisplayList;
result.dispatchUpdatesTo(this);
}
public void removeItem(Bookmark aBookmark) {
int position = mDisplayList.indexOf(aBookmark);
if (position >= 0) {
mDisplayList.remove(position);
notifyItemRemoved(position);
}
}
public int itemCount() {
return mDisplayList != null ? mDisplayList.size() : 0;
}
public int getItemPosition(String id) {
for (int position=0; position<mDisplayList.size(); position++)
if (mDisplayList.get(position).getGuid().equalsIgnoreCase(id))
return position;
return 0;
}
@Override
public int getItemViewType(int position) {
switch (mDisplayList.get(position).getType()) {
case FOLDER:
return BookmarkNodeType.FOLDER.ordinal();
case ITEM:
return BookmarkNodeType.ITEM.ordinal();
case SEPARATOR:
return BookmarkNodeType.SEPARATOR.ordinal();
}
return 0;
}
@SuppressLint("ClickableViewAccessibility")
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
if (viewType == BookmarkNodeType.ITEM.ordinal()) {
BookmarkItemBinding binding = DataBindingUtil
.inflate(LayoutInflater.from(parent.getContext()), R.layout.bookmark_item,
parent, false);
binding.setCallback(mBookmarkItemCallback);
binding.setIsHovered(false);
binding.setIsNarrow(mIsNarrowLayout);
binding.layout.setOnHoverListener((view, motionEvent) -> {
int ev = motionEvent.getActionMasked();
switch (ev) {
case MotionEvent.ACTION_HOVER_ENTER:
binding.setIsHovered(true);
return false;
case MotionEvent.ACTION_HOVER_EXIT:
binding.setIsHovered(false);
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 (mBookmarkItemCallback != null) {
mBookmarkItemCallback.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 (mBookmarkItemCallback != null) {
mBookmarkItemCallback.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;
});
return new BookmarkViewHolder(binding);
} else if (viewType == BookmarkNodeType.FOLDER.ordinal()) {
BookmarkItemFolderBinding binding = DataBindingUtil
.inflate(LayoutInflater.from(parent.getContext()), R.layout.bookmark_item_folder,
parent, false);
binding.setCallback(mBookmarkItemFolderCallback);
return new BookmarkFolderViewHolder(binding);
} else if (viewType == BookmarkNodeType.SEPARATOR.ordinal()) {
BookmarkSeparatorBinding binding = DataBindingUtil
.inflate(LayoutInflater.from(parent.getContext()), R.layout.bookmark_separator,
parent, false);
return new BookmarkSeparatorViewHolder(binding);
}
throw new IllegalArgumentException("Invalid view Type");
}
@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
Bookmark item = mDisplayList.get(position);
if (holder instanceof BookmarkViewHolder) {
BookmarkViewHolder bookmarkHolder = (BookmarkViewHolder) holder;
bookmarkHolder.binding.setItem(item);
bookmarkHolder.binding.setIsNarrow(mIsNarrowLayout);
} else if (holder instanceof BookmarkFolderViewHolder) {
BookmarkFolderViewHolder bookmarkHolder = (BookmarkFolderViewHolder) holder;
bookmarkHolder.binding.setItem(item);
bookmarkHolder.binding.executePendingBindings();
} else if (holder instanceof BookmarkSeparatorViewHolder) {
BookmarkSeparatorViewHolder bookmarkHolder = (BookmarkSeparatorViewHolder) holder;
bookmarkHolder.binding.setItem(item);
}
}
@Override
public int getItemCount() {
return mDisplayList == null ? 0 : mDisplayList.size();
}
@Override
public long getItemId(int position) {
Bookmark bookmark = mDisplayList.get(position);
return bookmark.getPosition();
}
static class BookmarkViewHolder extends RecyclerView.ViewHolder {
final BookmarkItemBinding binding;
BookmarkViewHolder(@NonNull BookmarkItemBinding binding) {
super(binding.getRoot());
this.binding = binding;
}
}
static class BookmarkFolderViewHolder extends RecyclerView.ViewHolder {
final BookmarkItemFolderBinding binding;
BookmarkFolderViewHolder(@NonNull BookmarkItemFolderBinding binding) {
super(binding.getRoot());
this.binding = binding;
}
}
static class BookmarkSeparatorViewHolder extends RecyclerView.ViewHolder {
final BookmarkSeparatorBinding binding;
BookmarkSeparatorViewHolder(@NonNull BookmarkSeparatorBinding binding) {
super(binding.getRoot());
this.binding = binding;
}
}
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;
};
private BookmarkItemFolderCallback mBookmarkItemFolderCallback = new BookmarkItemFolderCallback() {
@Override
public void onClick(View view, Bookmark item) {
List<String> openFoldersGuid = Bookmark.getOpenFoldersGuid(mDisplayList);
for (Bookmark bookmark : mDisplayList) {
if (bookmark.getGuid().equals(item.getGuid())) {
if (item.isExpanded()) {
openFoldersGuid.remove(bookmark.getGuid());
} else {
openFoldersGuid.add(bookmark.getGuid());
}
break;
}
}
List<Bookmark> newDisplayList = Bookmark.getDisplayListTree(mBookmarksList, openFoldersGuid);
notifyDiff(newDisplayList);
if (mBookmarkItemCallback != null) {
mBookmarkItemCallback.onFolderOpened(item);
}
}
};
}