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/*
* mygram-droid: Android TV client for Foldergram.
* Copyright (C) 2026 Danilo M. <danix@danix.xyz>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* This program 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.
*/
package mygram.droid;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.text.InputType;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import org.json.JSONObject;
/**
* Gate shown on every start and return to the app: the PIN prompt when a PIN
* is set, then a wait while Foldergram indexes, which makes it unusably slow.
*/
public final class SplashActivity extends Activity {
private static final long POLL_MS = 5000;
private final Handler handler = new Handler(Looper.getMainLooper());
private final Runnable poll = this::checkScan;
private LinearLayout box;
private TextView status;
@Override
protected void onCreate(Bundle state) {
super.onCreate(state);
box = Ui.column(this);
ImageView logo = new ImageView(this);
logo.setImageResource(R.drawable.ic_launcher);
logo.setContentDescription("mygram");
int s = Ui.dp(this, 96);
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(s, s);
lp.bottomMargin = Ui.dp(this, 24);
box.addView(logo, lp);
setContentView(box);
if (Prefs.hasPin())
askPin();
else
checkScan();
}
private void askPin() {
EditText pin = Ui.field(this, "PIN", InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_VARIATION_PASSWORD);
box.addView(pin);
View ok = Ui.iconButton(this, R.drawable.ic_check, "Unlock", v -> {
if (Prefs.checkPin(pin.getText().toString())) {
box.removeViews(1, box.getChildCount() - 1);
checkScan();
} else {
pin.setText("");
Toast.makeText(this, "Wrong PIN", Toast.LENGTH_SHORT).show();
}
});
box.addView(ok);
// The keyboard's done key unlocks; the D-pad cannot leave the keyboard.
pin.setOnEditorActionListener((v, action, event) -> ok.performClick());
pin.requestFocus();
}
/** Waits while the library is being indexed; lets the user in once it is idle. */
private void checkScan() {
if (Prefs.server() == null) { // first run: setup comes next
done();
return;
}
Api.async(() -> Api.call("GET", "/scan-progress"), o -> {
if (isDestroyed())
return;
if (!o.optBoolean("isScanning")) {
done();
return;
}
showScan(o);
handler.postDelayed(poll, POLL_MS);
}, e -> {
if (isDestroyed())
return;
if (status == null)
done(); // unreachable at the first check: Home reports it with Retry
else
handler.postDelayed(poll, POLL_MS); // mid-scan the server is slow; keep waiting
});
}
private void showScan(JSONObject o) {
if (status == null) {
box.addView(new ProgressBar(this));
box.addView(Ui.text(this, "Library is indexing", 24));
status = Ui.text(this, "", 16);
box.addView(status);
}
String msg = Post.str(o, "currentPhaseMessage");
if (msg == null)
msg = o.optString("phase");
int done = o.optInt("processedDerivativeJobs"), total = o.optInt("queuedDerivativeJobs");
status.setText(total > 0 ? msg + " " + done + " / " + total : msg);
}
private void done() {
App.locked = false;
finish();
}
/** Back leaves the app instead of revealing the screen underneath. */
@Override
@SuppressWarnings("deprecation") // no predictive back on this TV; onBackPressed still fires
public void onBackPressed() {
finishAffinity();
}
@Override
protected void onDestroy() {
super.onDestroy();
handler.removeCallbacksAndMessages(null);
}
}
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