Troubleshooting wizard for mailbox

briar-android/src/main/java/org/briarproject/briar/android/AndroidComponent.java

@@ -45,6 +45,7 @@ import org.briarproject.briar.android.hotspot.QrHotspotFragment;
 import org.briarproject.briar.android.logging.CachingLogHandler;
 import org.briarproject.briar.android.login.SignInReminderReceiver;
 import org.briarproject.briar.android.mailbox.ErrorFragment;
+import org.briarproject.briar.android.mailbox.ErrorWizardFragment;
 import org.briarproject.briar.android.mailbox.MailboxScanFragment;
 import org.briarproject.briar.android.mailbox.MailboxStatusFragment;
 import org.briarproject.briar.android.mailbox.OfflineFragment;
@@ -257,4 +258,6 @@ public interface AndroidComponent
 	void inject(ErrorFragment errorFragment);
 
 	void inject(MailboxStatusFragment mailboxStatusFragment);
+
+	void inject(ErrorWizardFragment errorWizardFragment);
 }

briar-android/src/main/java/org/briarproject/briar/android/mailbox/ErrorWizardFragment.java

@@ -0,0 +1,202 @@
+package org.briarproject.briar.android.mailbox;
+
+import android.animation.ValueAnimator;
+import android.content.Context;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.RadioButton;
+import android.widget.RadioGroup;
+import android.widget.ScrollView;
+
+import com.google.android.material.animation.ArgbEvaluatorCompat;
+
+import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
+import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
+import org.briarproject.briar.R;
+import org.briarproject.briar.android.view.BriarButton;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.inject.Inject;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AlertDialog;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentActivity;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.transition.AutoTransition;
+import androidx.transition.Transition;
+
+import static android.view.View.FOCUS_DOWN;
+import static android.view.View.GONE;
+import static android.view.View.VISIBLE;
+import static androidx.core.content.ContextCompat.getColor;
+import static androidx.transition.TransitionManager.beginDelayedTransition;
+import static org.briarproject.briar.android.AppModule.getAndroidComponent;
+
+@MethodsNotNullByDefault
+@ParametersNotNullByDefault
+public class ErrorWizardFragment extends Fragment {
+
+	static final String TAG = ErrorWizardFragment.class.getName();
+
+	@Inject
+	ViewModelProvider.Factory viewModelFactory;
+
+	private MailboxViewModel viewModel;
+	private ScrollView scrollView;
+	private ValueAnimator colorAnim;
+	private final Transition transition = new AutoTransition();
+
+	@Override
+	public void onAttach(Context context) {
+		super.onAttach(context);
+		FragmentActivity activity = requireActivity();
+		getAndroidComponent(activity).inject(this);
+		viewModel = new ViewModelProvider(activity, viewModelFactory)
+				.get(MailboxViewModel.class);
+	}
+
+	@Nullable
+	@Override
+	public View onCreateView(LayoutInflater inflater,
+			@Nullable ViewGroup container,
+			@Nullable Bundle savedInstanceState) {
+		View v = inflater.inflate(R.layout.fragment_mailbox_error_wizard,
+				container, false);
+		scrollView = (ScrollView) v;
+
+		int startColor =
+				getColor(v.getContext(), R.color.briar_accent);
+		int endColor = getColor(v.getContext(), R.color.window_background);
+		colorAnim = ValueAnimator
+				.ofObject(new ArgbEvaluatorCompat(), startColor, endColor);
+		colorAnim.setDuration(2500);
+
+		return v;
+	}
+
+	@Override
+	public void onViewCreated(View v, @Nullable Bundle savedInstanceState) {
+		RadioGroup radioGroup1 = v.findViewById(R.id.radioGroup1);
+		List<RadioButton> radioButtons1 = new ArrayList<>(3);
+		radioButtons1.add(v.findViewById(R.id.radioButton1));
+		radioButtons1.add(v.findViewById(R.id.radioButton2));
+		radioButtons1.add(v.findViewById(R.id.radioButton3));
+		List<View> views1 = new ArrayList<>(3);
+		View info1 = v.findViewById(R.id.info1);
+		views1.add(info1);
+		views1.add(v.findViewById(R.id.info2));
+		View info3 = v.findViewById(R.id.info3);
+		views1.add(info3);
+		setUpRadioGroup(radioGroup1, radioButtons1, views1);
+
+		RadioGroup radioGroup1_1 = info1.findViewById(R.id.radioGroup1_1);
+		List<RadioButton> radioButtons1_1 = new ArrayList<>(3);
+		radioButtons1_1.add(info1.findViewById(R.id.radioButton1_1));
+		radioButtons1_1.add(info1.findViewById(R.id.radioButton1_2));
+		radioButtons1_1.add(info1.findViewById(R.id.radioButton1_3));
+		radioButtons1_1.add(info1.findViewById(R.id.radioButton1_4));
+		List<View> views1_1 = new ArrayList<>(3);
+		views1_1.add(info1.findViewById(R.id.info1_1_1));
+		views1_1.add(info1.findViewById(R.id.info1_1_2));
+		views1_1.add(info1.findViewById(R.id.info1_1_3));
+		views1_1.add(info1.findViewById(R.id.info1_1_4));
+		setUpRadioGroup(radioGroup1_1, radioButtons1_1, views1_1);
+
+		// set up unlink buttons
+		BriarButton button3 = info3.findViewById(R.id.button3);
+		BriarButton button1_1_1 = info1.findViewById(R.id.button1_1_1);
+		BriarButton button1_1_2 = info1.findViewById(R.id.button1_1_2);
+		button3.setOnClickListener(this::onUnlinkButtonClicked);
+		button1_1_1.setOnClickListener(this::onUnlinkButtonClicked);
+		button1_1_2.setOnClickListener(this::onUnlinkButtonClicked);
+
+		// set up check connection button
+		BriarButton button1_1_3 = info1.findViewById(R.id.button1_1_3);
+		button1_1_3.setOnClickListener(this::onCheckConnectionButtonClicked);
+	}
+
+	@Override
+	public void onStart() {
+		super.onStart();
+		requireActivity().setTitle(R.string.mailbox_error_wizard_title);
+	}
+
+	private void setUpRadioGroup(RadioGroup radioGroup,
+			List<RadioButton> radioButtons, List<View> views) {
+		if (radioButtons.size() != views.size()) {
+			throw new IllegalArgumentException();
+		}
+		radioGroup.setOnCheckedChangeListener((group, checkedId) -> {
+			onCheckedChanged();
+			for (int i = 0; i < radioButtons.size(); i++) {
+				RadioButton radioButton = radioButtons.get(i);
+				View view = views.get(i);
+				if (checkedId == radioButton.getId()) {
+					animateColor(view);
+					view.setVisibility(VISIBLE);
+				} else {
+					view.setVisibility(GONE);
+				}
+			}
+		});
+	}
+
+	private void onUnlinkButtonClicked(View v) {
+		AlertDialog.Builder builder = new AlertDialog.Builder(requireContext(),
+				R.style.BriarDialogTheme);
+		builder.setTitle(R.string.mailbox_status_unlink_dialog_title);
+		builder.setMessage(R.string.mailbox_status_unlink_dialog_question);
+		builder.setPositiveButton(R.string.cancel,
+				(dialog, which) -> dialog.cancel());
+		builder.setNegativeButton(R.string.mailbox_status_unlink_button,
+				(dialog, which) -> viewModel.unlink());
+		builder.setOnCancelListener(dialog -> ((BriarButton) v).reset());
+		builder.show();
+	}
+
+	private void onCheckConnectionButtonClicked(View v) {
+		viewModel.checkConnectionFromWizard();
+	}
+
+	private void animateColor(View v) {
+		if (colorAnim.isRunning()) colorAnim.end();
+		colorAnim.removeAllUpdateListeners();
+		colorAnim.addUpdateListener(animation ->
+				v.setBackgroundColor((int) animation.getAnimatedValue())
+		);
+		colorAnim.start();
+	}
+
+	private void onCheckedChanged() {
+		transition.addListener(new Transition.TransitionListener() {
+			@Override
+			public void onTransitionStart(@NonNull Transition transition) {
+			}
+
+			@Override
+			public void onTransitionEnd(@NonNull Transition transition) {
+				scrollView.fullScroll(FOCUS_DOWN);
+			}
+
+			@Override
+			public void onTransitionCancel(@NonNull Transition transition) {
+			}
+
+			@Override
+			public void onTransitionPause(@NonNull Transition transition) {
+			}
+
+			@Override
+			public void onTransitionResume(@NonNull Transition transition) {
+			}
+		});
+		beginDelayedTransition(scrollView, transition);
+	}
+
+}

briar-android/src/main/java/org/briarproject/briar/android/mailbox/MailboxStatusFragment.java

@@ -17,6 +17,7 @@ import org.briarproject.bramble.api.mailbox.MailboxStatus;
 import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
 import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
 import org.briarproject.briar.R;
+import org.briarproject.briar.android.view.BriarButton;
 
 import javax.inject.Inject;
 
@@ -29,6 +30,7 @@ import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
 import androidx.lifecycle.ViewModelProvider;
 
+import static android.view.View.GONE;
 import static android.view.View.INVISIBLE;
 import static android.view.View.VISIBLE;
 import static androidx.core.content.ContextCompat.getColor;
@@ -38,6 +40,7 @@ import static org.briarproject.briar.android.AppModule.getAndroidComponent;
 import static org.briarproject.briar.android.util.UiUtils.MIN_DATE_RESOLUTION;
 import static org.briarproject.briar.android.util.UiUtils.formatDate;
 import static org.briarproject.briar.android.util.UiUtils.observeOnce;
+import static org.briarproject.briar.android.util.UiUtils.showFragment;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
@@ -58,6 +61,7 @@ public class MailboxStatusFragment extends Fragment {
 	private ImageView imageView;
 	private TextView statusTitleView;
 	private TextView statusInfoView;
+	private Button wizardButton;
 	private Button unlinkButton;
 	private ProgressBar unlinkProgress;
 
@@ -83,18 +87,11 @@ public class MailboxStatusFragment extends Fragment {
 	public void onViewCreated(View v, @Nullable Bundle savedInstanceState) {
 		super.onViewCreated(v, savedInstanceState);
 
-		Button checkButton = v.findViewById(R.id.checkButton);
-		ProgressBar checkProgress = v.findViewById(R.id.checkProgress);
-		checkButton.setOnClickListener(view -> {
-			beginDelayedTransition((ViewGroup) v);
-			checkButton.setVisibility(INVISIBLE);
-			checkProgress.setVisibility(VISIBLE);
-			observeOnce(viewModel.checkConnection(), this, result -> {
-				beginDelayedTransition((ViewGroup) v);
-				checkButton.setVisibility(VISIBLE);
-				checkProgress.setVisibility(INVISIBLE);
-			});
-		});
+		BriarButton checkButton = v.findViewById(R.id.checkButton);
+		checkButton.setOnClickListener(view ->
+				observeOnce(viewModel.checkConnection(), this, result ->
+						checkButton.reset()
+				));
 
 		imageView = v.findViewById(R.id.imageView);
 		statusTitleView = v.findViewById(R.id.statusTitleView);
@@ -102,8 +99,13 @@ public class MailboxStatusFragment extends Fragment {
 		viewModel.getStatus()
 				.observe(getViewLifecycleOwner(), this::onMailboxStateChanged);
 
-		// TODO
-		//  * Implement UI for warning user when mailbox is unreachable #2175
+		wizardButton = v.findViewById(R.id.wizardButton);
+		wizardButton.setOnClickListener(view -> {
+			Fragment f = new ErrorWizardFragment();
+			String tag = ErrorWizardFragment.TAG;
+			showFragment(getParentFragmentManager(), f, tag, false);
+		});
+
 		unlinkButton = v.findViewById(R.id.unlinkButton);
 		unlinkProgress = v.findViewById(R.id.unlinkProgress);
 		unlinkButton.setOnClickListener(view ->
@@ -135,16 +137,19 @@ public class MailboxStatusFragment extends Fragment {
 			title = getString(R.string.mailbox_status_connected_title);
 			tintRes = R.color.briar_brand_green;
 			showUnlinkWarning = true;
+			wizardButton.setVisibility(GONE);
 		} else if (status.getAttemptsSinceSuccess() < NUM_FAILURES) {
 			iconRes = R.drawable.ic_help_outline_white;
 			title = getString(R.string.mailbox_status_problem_title);
 			tintRes = R.color.briar_orange_500;
 			showUnlinkWarning = false;
+			wizardButton.setVisibility(GONE);
 		} else {
 			tintRes = R.color.briar_red_500;
 			title = getString(R.string.mailbox_status_failure_title);
 			iconRes = R.drawable.alerts_and_states_error;
 			showUnlinkWarning = false;
+			wizardButton.setVisibility(VISIBLE);
 		}
 		imageView.setImageResource(iconRes);
 		int color = getColor(requireContext(), tintRes);

briar-android/src/main/java/org/briarproject/briar/android/mailbox/MailboxViewModel.java

@@ -204,11 +204,7 @@ class MailboxViewModel extends DbViewModel
 
 	LiveData<Boolean> checkConnection() {
 		MutableLiveData<Boolean> liveData = new MutableLiveData<>();
-		ioExecutor.execute(() -> {
-			boolean success = mailboxManager.checkConnection();
-			if (LOG.isLoggable(INFO)) {
-				LOG.info("Got result from connection check: " + success);
-			}
+		checkConnection(success -> {
 			liveData.postValue(success);
 			if (!success) { // force failure screen
 				MailboxStatus lastStatus = status.getValue();
@@ -221,6 +217,23 @@ class MailboxViewModel extends DbViewModel
 		return liveData;
 	}
 
+	void checkConnectionFromWizard() {
+		checkConnection(success -> {
+			boolean isOnline = isTorActive();
+			pairingState.postEvent(new MailboxState.IsPaired(isOnline));
+		});
+	}
+
+	private void checkConnection(@IoExecutor Consumer<Boolean> consumer) {
+		ioExecutor.execute(() -> {
+			boolean success = mailboxManager.checkConnection();
+			if (LOG.isLoggable(INFO)) {
+				LOG.info("Got result from connection check: " + success);
+			}
+			consumer.accept(success);
+		});
+	}
+
 	@UiThread
 	void unlink() {
 		ioExecutor.execute(() -> {

briar-android/src/main/java/org/briarproject/briar/android/view/BriarButton.java

@@ -0,0 +1,75 @@
+package org.briarproject.briar.android.view;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.widget.Button;
+import android.widget.FrameLayout;
+import android.widget.ProgressBar;
+
+import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+import org.briarproject.briar.R;
+
+import androidx.annotation.Nullable;
+import androidx.appcompat.view.ContextThemeWrapper;
+import androidx.appcompat.widget.AppCompatButton;
+
+import static android.content.Context.LAYOUT_INFLATER_SERVICE;
+import static androidx.transition.TransitionManager.beginDelayedTransition;
+
+@NotNullByDefault
+public class BriarButton extends FrameLayout {
+
+	private final Button button;
+	private final ProgressBar progressBar;
+
+	public BriarButton(Context context) {
+		this(context, null);
+	}
+
+	public BriarButton(Context context, @Nullable AttributeSet attrs) {
+		this(context, attrs, 0);
+	}
+
+	public BriarButton(Context context, @Nullable AttributeSet attrs,
+			int defStyleAttr) {
+		super(context, attrs, defStyleAttr);
+		LayoutInflater inflater = (LayoutInflater) context
+				.getSystemService(LAYOUT_INFLATER_SERVICE);
+		inflater.inflate(R.layout.briar_button, this, true);
+
+		TypedArray attributes =
+				context.obtainStyledAttributes(attrs, R.styleable.BriarButton);
+		String text = attributes.getString(R.styleable.BriarButton_text);
+		int style = attributes
+				.getResourceId(R.styleable.BriarButton_buttonStyle, 0);
+		attributes.recycle();
+
+		ContextThemeWrapper wrapper = new ContextThemeWrapper(context, style);
+		button = new AppCompatButton(wrapper, null, style);
+		button.setText(text);
+		addView(button);
+		progressBar = findViewById(R.id.briar_button_progress_bar);
+	}
+
+	@Override
+	public void setOnClickListener(@Nullable OnClickListener l) {
+		if (l == null) button.setOnClickListener(null);
+		else {
+			button.setOnClickListener(v -> {
+				beginDelayedTransition(this);
+				progressBar.setVisibility(VISIBLE);
+				button.setVisibility(INVISIBLE);
+				l.onClick(this);
+			});
+		}
+	}
+
+	public void reset() {
+		beginDelayedTransition(this);
+		progressBar.setVisibility(INVISIBLE);
+		button.setVisibility(VISIBLE);
+	}
+
+}