package eu.faircode.email;
/*
This file is part of FairEmail.
FairEmail is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
FairEmail is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FairEmail. If not, see .
Copyright 2018-2019 by Marcel Bokhorst (M66B)
*/
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.ColorStateList;
import android.graphics.Color;
import android.graphics.Typeface;
import android.os.Build;
import android.os.Bundle;
import android.provider.Settings;
import android.text.TextUtils;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.appcompat.widget.PopupMenu;
import androidx.lifecycle.LifecycleOwner;
import androidx.localbroadcastmanager.content.LocalBroadcastManager;
import androidx.preference.PreferenceManager;
import androidx.recyclerview.widget.DiffUtil;
import androidx.recyclerview.widget.ListUpdateCallback;
import androidx.recyclerview.widget.RecyclerView;
import com.google.android.material.snackbar.Snackbar;
import java.text.Collator;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
public class AdapterFolder extends RecyclerView.Adapter {
private Context context;
private LayoutInflater inflater;
private LifecycleOwner owner;
private boolean show_hidden;
private long account;
private IFolderSelectedListener listener;
private boolean subscriptions;
private boolean debug;
private int dp12;
private float textSize;
private int colorUnread;
private int textColorSecondary;
private List disabledIds = new ArrayList<>();
private List all = new ArrayList<>();
private List items = new ArrayList<>();
private NumberFormat nf = NumberFormat.getNumberInstance();
public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnLongClickListener {
private View view;
private View vwColor;
private ImageView ivState;
private ImageView ivReadOnly;
private View vwLevel;
private ImageView ivExpander;
private ImageView ivUnified;
private ImageView ivNotify;
private ImageView ivSubscribed;
private TextView tvName;
private TextView tvMessages;
private ImageView ivMessages;
private ImageView ivType;
private TextView tvType;
private TextView tvTotal;
private TextView tvAfter;
private ImageView ivSync;
private TextView tvKeywords;
private TextView tvError;
private TwoStateOwner powner = new TwoStateOwner(owner, "FolderPopup");
ViewHolder(View itemView) {
super(itemView);
view = itemView.findViewById(R.id.clItem);
vwColor = itemView.findViewById(R.id.vwColor);
ivState = itemView.findViewById(R.id.ivState);
ivReadOnly = itemView.findViewById(R.id.ivReadOnly);
vwLevel = itemView.findViewById(R.id.vwLevel);
ivExpander = itemView.findViewById(R.id.ivExpander);
ivUnified = itemView.findViewById(R.id.ivUnified);
ivNotify = itemView.findViewById(R.id.ivNotify);
ivSubscribed = itemView.findViewById(R.id.ivSubscribed);
tvName = itemView.findViewById(R.id.tvName);
tvMessages = itemView.findViewById(R.id.tvMessages);
ivMessages = itemView.findViewById(R.id.ivMessages);
ivType = itemView.findViewById(R.id.ivType);
tvType = itemView.findViewById(R.id.tvType);
tvTotal = itemView.findViewById(R.id.tvTotal);
tvAfter = itemView.findViewById(R.id.tvAfter);
ivSync = itemView.findViewById(R.id.ivSync);
tvKeywords = itemView.findViewById(R.id.tvKeywords);
tvError = itemView.findViewById(R.id.tvError);
}
private void wire() {
view.setOnClickListener(this);
ivExpander.setOnClickListener(this);
view.setOnLongClickListener(this);
}
private void unwire() {
view.setOnClickListener(null);
ivExpander.setOnClickListener(null);
view.setOnLongClickListener(null);
}
private void bindTo(final TupleFolderEx folder) {
view.setActivated(folder.tbc != null || folder.tbd != null);
view.setAlpha(folder.hide || disabledIds.contains(folder.id) ? Helper.LOW_LIGHT : 1.0f);
if (textSize != 0)
tvName.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);
if (listener == null) {
vwColor.setBackgroundColor(folder.accountColor == null ? Color.TRANSPARENT : folder.accountColor);
vwColor.setVisibility(account < 0 && Helper.isPro(context) ? View.VISIBLE : View.GONE);
if (folder.sync_state == null || "requested".equals(folder.sync_state)) {
if (folder.executing > 0)
ivState.setImageResource(R.drawable.baseline_dns_24);
else if ("waiting".equals(folder.state))
ivState.setImageResource(R.drawable.baseline_hourglass_empty_24);
else if ("connected".equals(folder.state))
ivState.setImageResource(R.drawable.baseline_cloud_24);
else if ("connecting".equals(folder.state))
ivState.setImageResource(R.drawable.baseline_cloud_queue_24);
else if ("closing".equals(folder.state))
ivState.setImageResource(R.drawable.baseline_close_24);
else if (folder.state == null)
ivState.setImageResource(R.drawable.baseline_cloud_off_24);
else
ivState.setImageResource(R.drawable.baseline_warning_24);
} else {
if ("syncing".equals(folder.sync_state))
ivState.setImageResource(R.drawable.baseline_compare_arrows_24);
else if ("downloading".equals(folder.sync_state))
ivState.setImageResource(R.drawable.baseline_cloud_download_24);
else
ivState.setImageResource(R.drawable.baseline_warning_24);
}
ivState.setVisibility(
folder.synchronize || folder.state != null || folder.sync_state != null
? View.VISIBLE : View.INVISIBLE);
ivReadOnly.setVisibility(folder.read_only ? View.VISIBLE : View.GONE);
}
ViewGroup.LayoutParams lp = vwLevel.getLayoutParams();
lp.width = (account < 0 ? 1 : folder.indentation) * dp12;
vwLevel.setLayoutParams(lp);
ivExpander.setImageLevel(folder.collapsed ? 1 /* more */ : 0 /* less */);
ivExpander.setVisibility(account < 0 || !folder.expander
? View.GONE
: folder.child_refs != null && folder.child_refs.size() > 0
? View.VISIBLE : View.INVISIBLE);
if (listener == null) {
ivUnified.setVisibility(account > 0 && folder.unified ? View.VISIBLE : View.GONE);
ivNotify.setVisibility(folder.notify ? View.VISIBLE : View.GONE);
ivSubscribed.setVisibility(subscriptions && folder.subscribed != null && folder.subscribed ? View.VISIBLE : View.GONE);
}
if (folder.unseen > 0)
tvName.setText(context.getString(R.string.title_name_count,
folder.getDisplayName(context, folder.parent_ref == null ? null : folder.parent_ref),
nf.format(folder.unseen)));
else
tvName.setText(folder.getDisplayName(context, folder.parent_ref == null ? null : folder.parent_ref));
tvName.setTypeface(folder.unseen > 0 ? Typeface.DEFAULT_BOLD : Typeface.DEFAULT);
tvName.setTextColor(folder.unseen > 0 ? colorUnread : textColorSecondary);
if (listener == null) {
StringBuilder sb = new StringBuilder();
if (folder.account == null)
sb.append(nf.format(folder.messages));
else {
sb.append(nf.format(folder.content));
sb.append('/');
sb.append(nf.format(folder.messages));
}
tvMessages.setText(sb.toString());
ivMessages.setImageResource(folder.download || EntityFolder.OUTBOX.equals(folder.type)
? R.drawable.baseline_mail_24 : R.drawable.baseline_mail_outline_24);
}
ivType.setImageResource(EntityFolder.getIcon(folder.type));
if (listener == null) {
if (account < 0)
tvType.setText(folder.accountName);
else {
int resid = context.getResources().getIdentifier(
"title_folder_" + folder.type.toLowerCase(),
"string",
context.getPackageName());
tvType.setText(resid > 0 ? context.getString(resid) : folder.type);
}
tvTotal.setText(folder.total == null ? "" : nf.format(folder.total));
if (folder.account == null) {
tvAfter.setText(null);
ivSync.setImageResource(R.drawable.baseline_sync_24);
} else {
StringBuilder a = new StringBuilder();
a.append(nf.format(folder.sync_days));
a.append('/');
if (folder.keep_days == Integer.MAX_VALUE)
a.append('∞');
else
a.append(nf.format(folder.keep_days));
tvAfter.setText(a.toString());
ivSync.setImageResource(folder.synchronize ? R.drawable.baseline_sync_24 : R.drawable.baseline_sync_disabled_24);
}
ivSync.setImageTintList(ColorStateList.valueOf(
folder.synchronize && folder.initialize && !EntityFolder.OUTBOX.equals(folder.type)
? colorUnread : textColorSecondary));
tvKeywords.setText(TextUtils.join(" ", folder.keywords));
tvKeywords.setVisibility(debug && folder.keywords.length > 0 ? View.VISIBLE : View.GONE);
tvError.setText(folder.error);
tvError.setVisibility(folder.error != null ? View.VISIBLE : View.GONE);
}
}
@Override
public void onClick(View view) {
int pos = getAdapterPosition();
if (pos == RecyclerView.NO_POSITION)
return;
TupleFolderEx folder = items.get(pos);
if (folder.tbd != null)
return;
if (view.getId() == R.id.ivExpander)
onCollapse(folder);
else {
if (listener == null) {
LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
lbm.sendBroadcast(
new Intent(ActivityView.ACTION_VIEW_MESSAGES)
.putExtra("account", folder.account)
.putExtra("folder", folder.id));
} else {
if (disabledIds.contains(folder.id))
return;
listener.onFolderSelected(folder);
}
}
}
private void onCollapse(TupleFolderEx folder) {
if (listener != null) {
folder.collapsed = !folder.collapsed;
set(all);
return;
}
Bundle args = new Bundle();
args.putLong("id", folder.id);
args.putBoolean("collapsed", !folder.collapsed);
new SimpleTask() {
@Override
protected Void onExecute(Context context, Bundle args) {
long id = args.getLong("id");
boolean collapsed = args.getBoolean("collapsed");
DB db = DB.getInstance(context);
db.folder().setFolderCollapsed(id, collapsed);
return null;
}
@Override
protected void onException(Bundle args, Throwable ex) {
Helper.unexpectedError(context, owner, ex);
}
}.execute(context, owner, args, "folder:collapse");
}
@Override
public boolean onLongClick(View v) {
int pos = getAdapterPosition();
if (pos == RecyclerView.NO_POSITION)
return false;
final TupleFolderEx folder = items.get(pos);
if (folder.tbd != null)
return false;
PopupMenuLifecycle popupMenu = new PopupMenuLifecycle(context, powner, view);
popupMenu.getMenu().add(Menu.NONE, R.string.title_synchronize_now, 1, R.string.title_synchronize_now);
if (folder.account != null) {
popupMenu.getMenu().add(Menu.NONE, R.string.title_unified_folder, 2, R.string.title_unified_folder)
.setCheckable(true).setChecked(folder.unified);
popupMenu.getMenu().add(Menu.NONE, R.string.title_navigation_folder, 3, R.string.title_navigation_folder)
.setCheckable(true).setChecked(folder.navigation);
popupMenu.getMenu().add(Menu.NONE, R.string.title_notify_folder, 4, R.string.title_notify_folder)
.setCheckable(true).setChecked(folder.notify);
popupMenu.getMenu().add(Menu.NONE, R.string.title_synchronize_enabled, 5, R.string.title_synchronize_enabled)
.setCheckable(true).setChecked(folder.synchronize);
popupMenu.getMenu().add(Menu.NONE, R.string.title_delete_local, 6, R.string.title_delete_local);
popupMenu.getMenu().add(Menu.NONE, R.string.title_delete_browsed, 7, R.string.title_delete_browsed);
}
if (EntityFolder.TRASH.equals(folder.type))
popupMenu.getMenu().add(Menu.NONE, R.string.title_empty_trash, 8, R.string.title_empty_trash);
if (folder.account != null) {
popupMenu.getMenu().add(Menu.NONE, R.string.title_edit_rules, 9, R.string.title_edit_rules);
popupMenu.getMenu().add(Menu.NONE, R.string.title_edit_properties, 10, R.string.title_edit_properties);
if (folder.notify && Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
String channelId = EntityFolder.getNotificationChannelId(folder.id);
NotificationManager nm = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
NotificationChannel channel = nm.getNotificationChannel(channelId);
if (channel == null)
popupMenu.getMenu().add(Menu.NONE, R.string.title_create_channel, 11, R.string.title_create_channel);
else {
popupMenu.getMenu().add(Menu.NONE, R.string.title_edit_channel, 12, R.string.title_edit_channel);
popupMenu.getMenu().add(Menu.NONE, R.string.title_delete_channel, 13, R.string.title_delete_channel);
}
}
}
popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case R.string.title_synchronize_now:
onActionSynchronizeNow();
return true;
case R.string.title_unified_folder:
case R.string.title_navigation_folder:
case R.string.title_notify_folder:
case R.string.title_synchronize_enabled:
onActionProperty(item.getItemId(), !item.isChecked());
return true;
case R.string.title_delete_local:
OnActionDeleteLocal(false);
return true;
case R.string.title_delete_browsed:
OnActionDeleteLocal(true);
return true;
case R.string.title_empty_trash:
onActionEmptyTrash();
return true;
case R.string.title_edit_rules:
onActionEditRules();
return true;
case R.string.title_edit_properties:
onActionEditProperties();
return true;
case R.string.title_create_channel:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
onActionCreateChannel();
return true;
case R.string.title_edit_channel:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
onActionEditChannel();
return true;
case R.string.title_delete_channel:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
onActionDeleteChannel();
return true;
default:
return false;
}
}
private void onActionSynchronizeNow() {
Bundle args = new Bundle();
args.putLong("folder", folder.id);
new SimpleTask() {
@Override
protected Void onExecute(Context context, Bundle args) {
long fid = args.getLong("folder");
if (!ConnectionHelper.getNetworkState(context).isSuitable())
throw new IllegalStateException(context.getString(R.string.title_no_internet));
boolean now = true;
DB db = DB.getInstance(context);
try {
db.beginTransaction();
EntityFolder folder = db.folder().getFolder(fid);
if (folder == null)
return null;
EntityOperation.sync(context, folder.id, true);
if (folder.account != null) {
EntityAccount account = db.account().getAccount(folder.account);
if (account != null && !"connected".equals(account.state))
now = false;
}
db.setTransactionSuccessful();
} finally {
db.endTransaction();
}
if (!now)
throw new IllegalArgumentException(context.getString(R.string.title_no_connection));
return null;
}
@Override
protected void onException(Bundle args, Throwable ex) {
if (ex instanceof IllegalStateException) {
Snackbar snackbar = Snackbar.make(view, ex.getMessage(), Snackbar.LENGTH_LONG);
snackbar.setAction(R.string.title_fix, new View.OnClickListener() {
@Override
public void onClick(View view) {
context.startActivity(
new Intent(context, ActivitySetup.class)
.putExtra("tab", "connection"));
}
});
snackbar.show();
} else if (ex instanceof IllegalArgumentException)
Snackbar.make(view, ex.getMessage(), Snackbar.LENGTH_LONG).show();
else
Helper.unexpectedError(context, owner, ex);
}
}.execute(context, owner, args, "folder:sync");
}
private void onActionProperty(int property, boolean enabled) {
Bundle args = new Bundle();
args.putLong("id", folder.id);
args.putInt("property", property);
args.putBoolean("enabled", enabled);
new SimpleTask() {
@Override
protected Boolean onExecute(Context context, Bundle args) {
long id = args.getLong("id");
int property = args.getInt("property");
boolean enabled = args.getBoolean("enabled");
DB db = DB.getInstance(context);
switch (property) {
case R.string.title_unified_folder:
db.folder().setFolderUnified(id, enabled);
return false;
case R.string.title_navigation_folder:
db.folder().setFolderNavigation(id, enabled);
return false;
case R.string.title_notify_folder:
db.folder().setFolderNotify(id, enabled);
return false;
case R.string.title_synchronize_enabled:
db.folder().setFolderSynchronize(id, enabled);
return true;
default:
return false;
}
}
@Override
protected void onExecuted(Bundle args, Boolean reload) {
if (reload)
ServiceSynchronize.reload(context, "folder property changed");
}
@Override
protected void onException(Bundle args, Throwable ex) {
Helper.unexpectedError(context, owner, ex);
}
}.execute(context, owner, args, "folder:enable");
}
private void OnActionDeleteLocal(final boolean browsed) {
View dview = LayoutInflater.from(context).inflate(R.layout.dialog_message, null);
TextView tvMessage = dview.findViewById(R.id.tvMessage);
tvMessage.setText(context.getText(R.string.title_ask_delete_local));
new DialogBuilderLifecycle(context, owner)
.setView(dview)
.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Bundle args = new Bundle();
args.putLong("id", folder.id);
args.putBoolean("browsed", browsed);
new SimpleTask() {
@Override
protected Void onExecute(Context context, Bundle args) {
long id = args.getLong("id");
boolean browsed = args.getBoolean("browsed");
Log.i("Delete local messages browsed=" + browsed);
if (browsed)
DB.getInstance(context).message().deleteBrowsedMessages(id);
else
DB.getInstance(context).message().deleteLocalMessages(id);
return null;
}
@Override
public void onException(Bundle args, Throwable ex) {
Helper.unexpectedError(context, owner, ex);
}
}.execute(context, owner, args, "folder:delete:local");
}
})
.setNegativeButton(android.R.string.cancel, null)
.show();
}
private void onActionEmptyTrash() {
new DialogBuilderLifecycle(context, owner)
.setMessage(R.string.title_empty_trash_ask)
.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Bundle args = new Bundle();
args.putLong("folder", folder.id);
new SimpleTask() {
@Override
protected Void onExecute(Context context, Bundle args) {
long folder = args.getLong("folder");
DB db = DB.getInstance(context);
try {
db.beginTransaction();
List ids = db.message().getMessageByFolder(folder);
for (Long id : ids) {
EntityMessage message = db.message().getMessage(id);
if (message.msgid != null || message.uid != null)
EntityOperation.queue(context, message, EntityOperation.DELETE);
}
db.setTransactionSuccessful();
} finally {
db.endTransaction();
}
return null;
}
@Override
protected void onException(Bundle args, Throwable ex) {
Helper.unexpectedError(context, owner, ex);
}
}.execute(context, owner, args, "folder:delete");
}
})
.setNegativeButton(android.R.string.cancel, null)
.show();
}
private void onActionEditRules() {
LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
lbm.sendBroadcast(
new Intent(ActivityView.ACTION_EDIT_RULES)
.putExtra("account", folder.account)
.putExtra("folder", folder.id));
}
private void onActionEditProperties() {
LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
lbm.sendBroadcast(
new Intent(ActivityView.ACTION_EDIT_FOLDER)
.putExtra("id", folder.id));
}
@RequiresApi(api = Build.VERSION_CODES.O)
private void onActionCreateChannel() {
if (!Helper.isPro(context)) {
LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
lbm.sendBroadcast(new Intent(ActivityView.ACTION_SHOW_PRO));
return;
}
folder.createNotificationChannel(context);
onActionEditChannel();
}
@RequiresApi(api = Build.VERSION_CODES.O)
private void onActionEditChannel() {
Intent intent = new Intent(Settings.ACTION_CHANNEL_NOTIFICATION_SETTINGS)
.putExtra(Settings.EXTRA_APP_PACKAGE, context.getPackageName())
.putExtra(Settings.EXTRA_CHANNEL_ID, EntityFolder.getNotificationChannelId(folder.id));
context.startActivity(intent);
}
@RequiresApi(api = Build.VERSION_CODES.O)
private void onActionDeleteChannel() {
folder.deleteNotificationChannel(context);
}
});
popupMenu.show();
return true;
}
}
AdapterFolder(Context context, LifecycleOwner owner, long account, boolean show_hidden, IFolderSelectedListener listener) {
this.context = context;
this.inflater = LayoutInflater.from(context);
this.owner = owner;
this.show_hidden = show_hidden;
this.account = account;
this.listener = listener;
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
boolean compact = prefs.getBoolean("compact", false);
int zoom = prefs.getInt("zoom", compact ? 0 : 1);
if (zoom == 0)
zoom = 1;
this.subscriptions = prefs.getBoolean("subscriptions", false);
this.debug = prefs.getBoolean("debug", false);
this.dp12 = Helper.dp2pixels(context, 12);
this.textSize = Helper.getTextSize(context, zoom);
this.colorUnread = Helper.resolveColor(context, R.attr.colorUnread);
this.textColorSecondary = Helper.resolveColor(context, android.R.attr.textColorSecondary);
setHasStableIds(true);
}
void setShowHidden(boolean show_hidden) {
if (this.show_hidden != show_hidden) {
this.show_hidden = show_hidden;
set(all);
}
}
void setDisabled(List ids) {
disabledIds = ids;
}
public void set(@NonNull List folders) {
Log.i("Set folders=" + folders.size());
all = folders;
final Collator collator = Collator.getInstance(Locale.getDefault());
collator.setStrength(Collator.SECONDARY); // Case insensitive, process accents etc
if (folders.size() > 0)
Collections.sort(folders, folders.get(0).getComparator(context));
List hierarchical;
if (account < 0)
hierarchical = folders;
else {
List parents = new ArrayList<>();
Map idFolder = new HashMap<>();
Map> parentChilds = new HashMap<>();
for (TupleFolderEx folder : folders) {
idFolder.put(folder.id, folder);
if (folder.parent == null)
parents.add(folder);
else {
if (!parentChilds.containsKey(folder.parent))
parentChilds.put(folder.parent, new ArrayList());
parentChilds.get(folder.parent).add(folder);
}
}
TupleFolderEx root = new TupleFolderEx();
root.name = "[root]";
root.child_refs = parents;
for (TupleFolderEx parent : parents)
parent.parent_ref = root;
for (long pid : parentChilds.keySet()) {
TupleFolderEx parent = idFolder.get(pid);
if (parent != null) {
parent.child_refs = parentChilds.get(pid);
for (TupleFolderEx child : parent.child_refs)
child.parent_ref = parent;
}
}
boolean anyChild = false;
for (TupleFolderEx parent : parents)
if (parent.child_refs != null && parent.child_refs.size() > 0) {
anyChild = true;
break;
}
for (TupleFolderEx parent : parents)
parent.expander = anyChild;
hierarchical = getHierarchical(parents, anyChild ? 0 : 1);
}
DiffUtil.DiffResult diff = DiffUtil.calculateDiff(new DiffCallback(items, hierarchical), false);
items = hierarchical;
diff.dispatchUpdatesTo(new ListUpdateCallback() {
@Override
public void onInserted(int position, int count) {
Log.i("Inserted @" + position + " #" + count);
}
@Override
public void onRemoved(int position, int count) {
Log.i("Removed @" + position + " #" + count);
}
@Override
public void onMoved(int fromPosition, int toPosition) {
Log.i("Moved " + fromPosition + ">" + toPosition);
}
@Override
public void onChanged(int position, int count, Object payload) {
Log.i("Changed @" + position + " #" + count);
}
});
diff.dispatchUpdatesTo(this);
}
List getHierarchical(List parents, int indentation) {
List result = new ArrayList<>();
for (TupleFolderEx parent : parents)
if (!parent.hide || show_hidden) {
parent.indentation = indentation;
result.add(parent);
if (!parent.collapsed && parent.child_refs != null)
result.addAll(getHierarchical(parent.child_refs, indentation + 1));
}
return result;
}
private class DiffCallback extends DiffUtil.Callback {
private List prev = new ArrayList<>();
private List next = new ArrayList<>();
DiffCallback(List prev, List next) {
this.prev.addAll(prev);
this.next.addAll(next);
}
@Override
public int getOldListSize() {
return prev.size();
}
@Override
public int getNewListSize() {
return next.size();
}
@Override
public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
TupleFolderEx f1 = prev.get(oldItemPosition);
TupleFolderEx f2 = next.get(newItemPosition);
return f1.id.equals(f2.id);
}
@Override
public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
TupleFolderEx f1 = prev.get(oldItemPosition);
TupleFolderEx f2 = next.get(newItemPosition);
if (!f1.equals(f2))
return false;
TupleFolderEx p1 = f1.parent_ref;
TupleFolderEx p2 = f2.parent_ref;
while (p1 != null && p2 != null) {
if (p1.hide != p2.hide)
return false;
if (p1.collapsed != p2.collapsed)
return false;
p1 = p1.parent_ref;
p2 = p2.parent_ref;
}
return true;
}
}
@Override
public long getItemId(int position) {
return items.get(position).id;
}
@Override
public int getItemCount() {
return items.size();
}
@Override
@NonNull
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
return new ViewHolder(inflater.inflate(
listener == null ? R.layout.item_folder : R.layout.item_folder_select,
parent, false));
}
@Override
public void onViewRecycled(@NonNull ViewHolder holder) {
holder.powner.recreate();
}
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
holder.unwire();
TupleFolderEx folder = items.get(position);
holder.bindTo(folder);
holder.wire();
}
interface IFolderSelectedListener {
void onFolderSelected(TupleFolderEx folder);
}
}