session-android/src/org/thoughtcrime/securesms/stickers/StickerManagementAdapter.java

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package org.thoughtcrime.securesms.stickers;
import android.support.annotation.NonNull;
import android.support.annotation.StringRes;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import com.annimon.stream.Stream;
import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions;
import org.thoughtcrime.securesms.database.model.StickerPackRecord;
import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri;
import org.thoughtcrime.securesms.mms.GlideRequests;
import org.thoughtcrime.securesms.util.StableIdGenerator;
import java.util.ArrayList;
import java.util.List;
2019-08-07 16:48:54 +10:00
import network.loki.messenger.R;
final class StickerManagementAdapter extends RecyclerView.Adapter {
private static final int TYPE_HEADER = 1;
private static final int TYPE_EMPTY = 2;
private static final int TYPE_PACK = 3;
private static final String TAG_YOUR_STICKERS = "YourStickers";
private static final String TAG_MESSAGE_STICKERS = "MessageStickers";
private static final String TAG_BLESSED_STICKERS = "BlessedStickers";
private final GlideRequests glideRequests;
private final EventListener eventListener;
private final StableIdGenerator<String> stableIdGenerator;
private final List<Section> sections = new ArrayList<Section>(3) {{
Section yourStickers = new Section(TAG_YOUR_STICKERS,
R.string.StickerManagementAdapter_installed_stickers,
R.string.StickerManagementAdapter_no_stickers_installed,
new ArrayList<>(),
0);
Section messageStickers = new Section(TAG_MESSAGE_STICKERS,
R.string.StickerManagementAdapter_stickers_you_received,
R.string.StickerManagementAdapter_stickers_from_incoming_messages_will_appear_here,
new ArrayList<>(),
yourStickers.size());
add(yourStickers);
add(messageStickers);
}};
StickerManagementAdapter(@NonNull GlideRequests glideRequests, @NonNull EventListener eventListener) {
this.glideRequests = glideRequests;
this.eventListener = eventListener;
this.stableIdGenerator = new StableIdGenerator<>();
setHasStableIds(true);
}
@Override
public long getItemId(int position) {
for (Section section : sections) {
if (section.handles(position)) {
return section.getItemId(stableIdGenerator, position);
}
}
throw new NoSectionException();
}
@Override
public int getItemViewType(int position) {
for (Section section : sections) {
if (section.handles(position)) {
return section.getViewType(position);
}
}
throw new NoSectionException();
}
@Override
public @NonNull RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int viewType) {
switch (viewType) {
case TYPE_HEADER:
return new HeaderViewHolder(LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.sticker_management_header_item, viewGroup, false));
case TYPE_EMPTY:
return new EmptyViewHolder(LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.sticker_management_empty_item, viewGroup, false));
case TYPE_PACK:
return new StickerViewHolder(LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.sticker_management_sticker_item, viewGroup, false));
default:
throw new AssertionError("Unexpected viewType! " + viewType);
}
}
@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, int position) {
for (Section section : sections) {
if (section.handles(position)) {
section.bindViewHolder(viewHolder, position, glideRequests, eventListener);
return;
}
}
throw new NoSectionException();
}
@Override
public void onViewRecycled(@NonNull RecyclerView.ViewHolder holder) {
if (holder instanceof StickerViewHolder) {
((StickerViewHolder) holder).recycle();
}
}
@Override
public int getItemCount() {
return Stream.of(sections).reduce(0, (sum, section) -> sum + section.size());
}
void setPackLists(@NonNull List<StickerPackRecord> installedPacks,
@NonNull List<StickerPackRecord> availablePacks,
@NonNull List<StickerPackRecord> blessedPacks)
{
Section yourStickers = new Section(TAG_YOUR_STICKERS,
R.string.StickerManagementAdapter_installed_stickers,
R.string.StickerManagementAdapter_no_stickers_installed,
installedPacks,
0);
Section blessedStickers = new Section(TAG_BLESSED_STICKERS,
R.string.StickerManagementAdapter_signal_artist_series,
0,
blessedPacks,
yourStickers.size());
Section messageStickers = new Section(TAG_MESSAGE_STICKERS,
R.string.StickerManagementAdapter_stickers_you_received,
R.string.StickerManagementAdapter_stickers_from_incoming_messages_will_appear_here,
availablePacks,
yourStickers.size() + (blessedPacks.isEmpty() ? 0 : blessedStickers.size()));
sections.clear();
sections.add(yourStickers);
if (!blessedPacks.isEmpty()) {
sections.add(blessedStickers);
}
sections.add(messageStickers);
notifyDataSetChanged();
}
private static class Section {
private static final String STABLE_ID_HEADER = "header";
private static final String STABLE_ID_TEXT = "text";
private final String tag;
private final int titleResId;
private final int emptyResId;
private final List<StickerPackRecord> records;
private final int offset;
Section(@NonNull String tag,
@StringRes int titleResId,
@StringRes int emptyResId,
@NonNull List<StickerPackRecord> records,
int offset)
{
this.tag = tag;
this.titleResId = titleResId;
this.emptyResId = emptyResId;
this.records = records;
this.offset = offset;
}
int getViewType(int globalPosition) {
int localPosition = globalPosition - offset;
if (localPosition == 0) {
return TYPE_HEADER;
} else if (records.isEmpty()) {
return TYPE_EMPTY;
} else {
return TYPE_PACK;
}
}
long getItemId(@NonNull StableIdGenerator<String> idGenerator, int globalPosition) {
int localPosition = globalPosition - offset;
if (localPosition == 0) {
return idGenerator.getId(tag + "_" + STABLE_ID_HEADER);
} else if (records.isEmpty()) {
return idGenerator.getId(tag + "_" + STABLE_ID_TEXT);
} else {
return idGenerator.getId(records.get(localPosition - 1).getPackId());
}
}
void bindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder,
int globalPosition,
@NonNull GlideRequests glideRequests,
@NonNull EventListener eventListener)
{
int localPosition = globalPosition - offset;
if (localPosition == 0) {
((HeaderViewHolder) viewHolder).bind(titleResId);
} else if (records.isEmpty()) {
((EmptyViewHolder) viewHolder).bind(emptyResId);
} else {
((StickerViewHolder) viewHolder).bind(glideRequests, eventListener, records.get(localPosition - 1), localPosition == records.size());
}
}
boolean handles(int globalPosition) {
int localPosition = globalPosition - offset;
return localPosition >= 0 && localPosition < size();
}
int size() {
return records.isEmpty() ? 2 : records.size() + 1;
}
}
static class StickerViewHolder extends RecyclerView.ViewHolder {
private final ImageView cover;
private final TextView title;
private final TextView author;
private final View badge;
private final View divider;
private final View actionButton;
private final ImageView actionButtonImage;
private final View shareButton;
private final ImageView shareButtonImage;
StickerViewHolder(@NonNull View itemView) {
super(itemView);
this.cover = itemView.findViewById(R.id.sticker_management_cover);
this.title = itemView.findViewById(R.id.sticker_management_title);
this.author = itemView.findViewById(R.id.sticker_management_author);
this.badge = itemView.findViewById(R.id.sticker_management_blessed_badge);
this.divider = itemView.findViewById(R.id.sticker_management_divider);
this.actionButton = itemView.findViewById(R.id.sticker_management_action_button);
this.actionButtonImage = itemView.findViewById(R.id.sticker_management_action_button_image);
this.shareButton = itemView.findViewById(R.id.sticker_management_share_button);
this.shareButtonImage = itemView.findViewById(R.id.sticker_management_share_button_image);
}
void bind(@NonNull GlideRequests glideRequests,
@NonNull EventListener eventListener,
@NonNull StickerPackRecord stickerPack,
boolean lastInList)
{
title.setText(stickerPack.getTitle().or(itemView.getResources().getString(R.string.StickerManagementAdapter_untitled)));
author.setText(stickerPack.getAuthor().or(itemView.getResources().getString(R.string.StickerManagementAdapter_unknown)));
divider.setVisibility(lastInList ? View.GONE : View.VISIBLE);
badge.setVisibility(BlessedPacks.contains(stickerPack.getPackId()) ? View.VISIBLE : View.GONE);
glideRequests.load(new DecryptableUri(stickerPack.getCover().getUri()))
.transition(DrawableTransitionOptions.withCrossFade())
.into(cover);
if (stickerPack.isInstalled()) {
actionButtonImage.setImageResource(R.drawable.ic_x);
actionButton.setOnClickListener(v -> eventListener.onStickerPackUninstallClicked(stickerPack.getPackId(), stickerPack.getPackKey()));
shareButton.setVisibility(View.VISIBLE);
shareButtonImage.setVisibility(View.VISIBLE);
shareButton.setOnClickListener(v -> eventListener.onStickerPackShareClicked(stickerPack.getPackId(), stickerPack.getPackKey()));
} else {
actionButtonImage.setImageResource(R.drawable.ic_arrow_down);
actionButton.setOnClickListener(v -> eventListener.onStickerPackInstallClicked(stickerPack.getPackId(), stickerPack.getPackKey()));
shareButton.setVisibility(View.GONE);
shareButtonImage.setVisibility(View.GONE);
shareButton.setOnClickListener(null);
}
itemView.setOnClickListener(v -> eventListener.onStickerPackClicked(stickerPack.getPackId(), stickerPack.getPackKey()));
}
void recycle() {
actionButton.setOnClickListener(null);
shareButton.setOnClickListener(null);
itemView.setOnClickListener(null);
}
}
static class HeaderViewHolder extends RecyclerView.ViewHolder {
private final TextView titleView;
HeaderViewHolder(@NonNull View itemView) {
super(itemView);
this.titleView = itemView.findViewById(R.id.sticker_management_header);
}
void bind(@StringRes int title) {
titleView.setText(title);
}
}
static class EmptyViewHolder extends RecyclerView.ViewHolder {
private final TextView text;
EmptyViewHolder(@NonNull View itemView) {
super(itemView);
this.text = itemView.findViewById(R.id.sticker_management_empty_text);
}
void bind(@StringRes int title) {
text.setText(title);
}
}
interface EventListener {
void onStickerPackClicked(@NonNull String packId, @NonNull String packKey);
void onStickerPackUninstallClicked(@NonNull String packId, @NonNull String packKey);
void onStickerPackInstallClicked(@NonNull String packId, @NonNull String packKey);
void onStickerPackShareClicked(@NonNull String packId, @NonNull String packKey);
}
private static class NoSectionException extends IllegalStateException {}
}