FairEmail/app/src/main/java/eu/faircode/email/AdapterOperation.java

352 lines
13 KiB
Java

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 <http://www.gnu.org/licenses/>.
Copyright 2018-2019 by Marcel Bokhorst (M66B)
*/
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
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.appcompat.widget.PopupMenu;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.Lifecycle;
import androidx.lifecycle.LifecycleObserver;
import androidx.lifecycle.LifecycleOwner;
import androidx.lifecycle.OnLifecycleEvent;
import androidx.localbroadcastmanager.content.LocalBroadcastManager;
import androidx.recyclerview.widget.DiffUtil;
import androidx.recyclerview.widget.ListUpdateCallback;
import androidx.recyclerview.widget.RecyclerView;
import org.json.JSONArray;
import org.json.JSONException;
import java.util.ArrayList;
import java.util.List;
public class AdapterOperation extends RecyclerView.Adapter<AdapterOperation.ViewHolder> {
private Fragment parentFragment;
private Context context;
private LifecycleOwner owner;
private LayoutInflater inflater;
private List<TupleOperationEx> items = new ArrayList<>();
public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnLongClickListener {
private View view;
private ImageView ivState;
private TextView tvFolder;
private TextView tvOperation;
private TextView tvTime;
private TextView tvError;
private TwoStateOwner powner = new TwoStateOwner(owner, "OperationPopup");
ViewHolder(View itemView) {
super(itemView);
view = itemView.findViewById(R.id.clItem);
ivState = itemView.findViewById(R.id.ivState);
tvFolder = itemView.findViewById(R.id.tvFolder);
tvOperation = itemView.findViewById(R.id.tvOperation);
tvTime = itemView.findViewById(R.id.tvTime);
tvError = itemView.findViewById(R.id.tvError);
}
private void wire() {
view.setOnClickListener(this);
view.setOnLongClickListener(this);
}
private void unwire() {
view.setOnClickListener(null);
view.setOnLongClickListener(null);
}
private void bindTo(TupleOperationEx operation) {
view.setAlpha(operation.synchronize ? 1.0f : Helper.LOW_LIGHT);
StringBuilder sb = new StringBuilder();
sb.append(operation.name);
try {
JSONArray jarray = new JSONArray(operation.args);
if (jarray.length() > 0)
sb.append(' ').append(operation.args);
} catch (JSONException ex) {
sb.append(' ').append(ex.toString());
}
String folderName =
(operation.accountName == null ? "" : operation.accountName + "/") + operation.folderName;
ivState.setVisibility(operation.state == null ? View.INVISIBLE : View.VISIBLE);
tvFolder.setText(folderName);
tvOperation.setText(sb.toString());
tvTime.setText(Helper.getRelativeTimeSpanString(context, operation.created));
tvError.setText(operation.error);
tvError.setVisibility(operation.error == null ? View.GONE : View.VISIBLE);
}
@Override
public void onClick(View view) {
int pos = getAdapterPosition();
if (pos == RecyclerView.NO_POSITION)
return;
TupleOperationEx operation = items.get(pos);
if (operation == null || !operation.synchronize)
return;
if (operation.message == null) {
Bundle args = new Bundle();
args.putLong("id", operation.folder);
new SimpleTask<EntityFolder>() {
@Override
protected EntityFolder onExecute(Context context, Bundle args) {
long id = args.getLong("id");
return DB.getInstance(context).folder().getFolder(id);
}
@Override
protected void onExecuted(Bundle args, EntityFolder folder) {
LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
lbm.sendBroadcast(
new Intent(ActivityView.ACTION_VIEW_MESSAGES)
.putExtra("account", folder.account)
.putExtra("folder", folder.id)
.putExtra("type", folder.type));
}
@Override
protected void onException(Bundle args, Throwable ex) {
Helper.unexpectedError(parentFragment.getFragmentManager(), ex);
}
}.execute(context, owner, args, "operation:open:folder");
} else {
Bundle args = new Bundle();
args.putLong("id", operation.message);
new SimpleTask<EntityMessage>() {
@Override
protected EntityMessage onExecute(Context context, Bundle args) {
long id = args.getLong("id");
return DB.getInstance(context).message().getMessage(id);
}
@Override
protected void onExecuted(Bundle args, EntityMessage message) {
LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
lbm.sendBroadcast(
new Intent(ActivityView.ACTION_VIEW_THREAD)
.putExtra("account", message.account)
.putExtra("thread", message.thread)
.putExtra("id", message.id)
.putExtra("found", false));
}
@Override
protected void onException(Bundle args, Throwable ex) {
Helper.unexpectedError(parentFragment.getFragmentManager(), ex);
}
}.execute(context, owner, args, "operation:open:message");
}
}
@Override
public boolean onLongClick(View v) {
int pos = getAdapterPosition();
if (pos == RecyclerView.NO_POSITION)
return false;
final TupleOperationEx operation = items.get(pos);
if (operation == null)
return false;
PopupMenuLifecycle popupMenu = new PopupMenuLifecycle(context, powner, view);
popupMenu.getMenu().add(Menu.NONE, 0, 0, operation.name + ":" + operation.id)
.setEnabled(false);
popupMenu.getMenu().add(Menu.NONE, R.string.title_delete, 1, R.string.title_delete);
popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case R.string.title_delete:
onActionDelete();
return true;
default:
return false;
}
}
private void onActionDelete() {
Bundle args = new Bundle();
args.putLong("id", operation.id);
new SimpleTask<Void>() {
@Override
protected Void onExecute(Context context, Bundle args) {
long id = args.getLong("id");
DB db = DB.getInstance(context);
EntityOperation operation = db.operation().getOperation(id);
if (operation == null)
return null;
db.operation().deleteOperation(operation.id);
db.folder().setFolderError(operation.folder, null);
return null;
}
@Override
protected void onException(Bundle args, Throwable ex) {
Helper.unexpectedError(parentFragment.getFragmentManager(), ex);
}
}.execute(context, owner, args, "operation:delete");
}
});
popupMenu.show();
return true;
}
}
AdapterOperation(Fragment parentFragment) {
this.parentFragment = parentFragment;
this.context = parentFragment.getContext();
this.owner = parentFragment.getViewLifecycleOwner();
this.inflater = LayoutInflater.from(context);
setHasStableIds(true);
owner.getLifecycle().addObserver(new LifecycleObserver() {
@OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
public void onDestroyed() {
Log.i(AdapterOperation.this + " parent destroyed");
AdapterOperation.this.parentFragment = null;
}
});
}
public void set(@NonNull List<TupleOperationEx> operations) {
Log.i("Set operations=" + operations.size());
DiffUtil.DiffResult diff = DiffUtil.calculateDiff(new DiffCallback(items, operations), false);
items = operations;
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);
}
private class DiffCallback extends DiffUtil.Callback {
private List<TupleOperationEx> prev = new ArrayList<>();
private List<TupleOperationEx> next = new ArrayList<>();
DiffCallback(List<TupleOperationEx> prev, List<TupleOperationEx> 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) {
TupleOperationEx a1 = prev.get(oldItemPosition);
TupleOperationEx a2 = next.get(newItemPosition);
return a1.id.equals(a2.id);
}
@Override
public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
TupleOperationEx a1 = prev.get(oldItemPosition);
TupleOperationEx a2 = next.get(newItemPosition);
return a1.equals(a2);
}
}
@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(R.layout.item_operation, parent, false));
}
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
holder.unwire();
TupleOperationEx operation = items.get(position);
holder.bindTo(operation);
holder.wire();
}
@Override
public void onViewDetachedFromWindow(@NonNull ViewHolder holder) {
holder.powner.recreate();
}
}