NoteListWidgetFactory npe checks

/*

 * Nextcloud Notes - Android Client

 *

 * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors

 * SPDX-FileCopyrightText: 2017-2025 Nextcloud GmbH and Nextcloud contributors

 * SPDX-License-Identifier: GPL-3.0-or-later

 */

package it.niedermann.owncloud.notes.widget.notelist;

import static it.niedermann.owncloud.notes.edit.EditNoteActivity.PARAM_CATEGORY;

import static it.niedermann.owncloud.notes.persistence.entity.NotesListWidgetData.MODE_DISPLAY_ALL;

import static it.niedermann.owncloud.notes.persistence.entity.NotesListWidgetData.MODE_DISPLAY_CATEGORY;

import static it.niedermann.owncloud.notes.persistence.entity.NotesListWidgetData.MODE_DISPLAY_STARRED;

import android.appwidget.AppWidgetManager;

import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.net.Uri;

import android.os.Bundle;

import android.util.Log;

import android.widget.RemoteViews;

import android.widget.RemoteViewsService;

import androidx.annotation.NonNull;

import androidx.core.content.ContextCompat;

import java.util.ArrayList;

import java.util.List;

import it.niedermann.owncloud.notes.R;

import it.niedermann.owncloud.notes.edit.EditNoteActivity;

import it.niedermann.owncloud.notes.main.MainActivity;

import it.niedermann.owncloud.notes.persistence.NotesRepository;

import it.niedermann.owncloud.notes.persistence.entity.Account;

import it.niedermann.owncloud.notes.persistence.entity.Note;

import it.niedermann.owncloud.notes.persistence.entity.NotesListWidgetData;

import it.niedermann.owncloud.notes.shared.model.ENavigationCategoryType;

import it.niedermann.owncloud.notes.shared.model.NavigationCategory;

import it.niedermann.owncloud.notes.shared.util.NotesColorUtil;

public class NoteListWidgetFactory implements RemoteViewsService.RemoteViewsFactory {

    private static final String TAG = NoteListWidgetFactory.class.getSimpleName();

    private final Context context;

    private final int appWidgetId;

    private final NotesRepository repo;

    @NonNull

    private final List<Note> dbNotes = new ArrayList<>();

    private NotesListWidgetData data;

    NoteListWidgetFactory(Context context, Intent intent) {

        this.context = context;

        this.appWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);

        repo = NotesRepository.getInstance(context);

    }

    @Override

    public void onCreate() {

package it.niedermann.owncloud.notes.widget.notelist

import android.appwidget.AppWidgetManager

import android.content.ComponentName

import android.content.Context

import android.content.Intent

import android.os.Bundle

import android.util.Log

import android.widget.RemoteViews

import android.widget.RemoteViewsService.RemoteViewsFactory

import androidx.core.content.ContextCompat

import it.niedermann.owncloud.notes.R

import it.niedermann.owncloud.notes.edit.EditNoteActivity

import it.niedermann.owncloud.notes.main.MainActivity

import it.niedermann.owncloud.notes.persistence.NotesRepository

import it.niedermann.owncloud.notes.persistence.entity.Account

import it.niedermann.owncloud.notes.persistence.entity.Note

import it.niedermann.owncloud.notes.persistence.entity.NotesListWidgetData

import it.niedermann.owncloud.notes.shared.model.ENavigationCategoryType

import it.niedermann.owncloud.notes.shared.model.NavigationCategory

import it.niedermann.owncloud.notes.shared.util.NotesColorUtil

import androidx.core.net.toUri

class NoteListWidgetFactory internal constructor(private val context: Context, intent: Intent) :

    RemoteViewsFactory {

    private val appWidgetId: Int = intent.getIntExtra(

        AppWidgetManager.EXTRA_APPWIDGET_ID,

        AppWidgetManager.INVALID_APPWIDGET_ID

    )

    private val repo: NotesRepository = NotesRepository.getInstance(context)

    private val dbNotes: MutableList<Note> = ArrayList()

    private var data: NotesListWidgetData? = null

    override fun onCreate() {

        // Nothing to do here…

    }

    @Override

    public void onDataSetChanged() {

        dbNotes.clear();

    override fun onDataSetChanged() {

        dbNotes.clear()

        try {

            data = repo.getNoteListWidgetData(appWidgetId);

            data = repo.getNoteListWidgetData(appWidgetId)

            if (data == null) {

                Log.w(TAG, "Widget data is null");

                return;

            }

            Log.v(TAG, "--- data - " + data);

            switch (data.getMode()) {

                case MODE_DISPLAY_ALL ->

                        dbNotes.addAll(repo.searchRecentByModified(data.getAccountId(), "%"));

                case MODE_DISPLAY_STARRED ->

                        dbNotes.addAll(repo.searchFavoritesByModified(data.getAccountId(), "%"));

                default -> {

                    if (data.getCategory() != null) {

                        dbNotes.addAll(repo.searchCategoryByModified(data.getAccountId(), "%", data.getCategory()));

                Log.w(TAG, "Widget data is null")

                return

            }

            val widgetData = data ?: return

            Log.v(TAG, "--- data - $widgetData")

            when (widgetData.mode) {

                NotesListWidgetData.MODE_DISPLAY_ALL -> dbNotes.addAll(

                    repo.searchRecentByModified(

                        widgetData.accountId, "%"

                    )

                )

                NotesListWidgetData.MODE_DISPLAY_STARRED -> dbNotes.addAll(

                    repo.searchFavoritesByModified(

                        widgetData.accountId, "%"

                    )

                )

                else -> {

                    if (widgetData.category != null) {

                        dbNotes.addAll(

                            repo.searchCategoryByModified(

                                widgetData.accountId,

                                "%",

                                widgetData.category

                            )

                        )

                    } else {

                        dbNotes.addAll(repo.searchUncategorizedByModified(data.getAccountId(), "%"));

                        dbNotes.addAll(

                            repo.searchUncategorizedByModified(

                                widgetData.accountId,

                                "%"

                            )

                        )

                    }

                }

            }

        } catch (Exception e) {

            Log.w(TAG, "Error caught at onDataSetChanged: " + e);

        } catch (e: Exception) {

            Log.w(TAG, "Error caught at onDataSetChanged: $e")

        }

    }

    @Override

    public void onDestroy() {

    override fun onDestroy() {

        //NoOp

    }

    @Override

    public int getCount() {

        return dbNotes.size() + 1;

    override fun getCount(): Int {

        return dbNotes.size + 1

    }

    private Intent getEditNoteIntent(Bundle bundle) {

        final Intent intent = new Intent(context, EditNoteActivity.class);

        intent.setPackage(context.getPackageName());

        intent.putExtras(bundle);

        intent.setData(Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME)));

        return intent;

    private fun getEditNoteIntent(bundle: Bundle): Intent {

        return Intent(context, EditNoteActivity::class.java).apply {

            setPackage(context.packageName)

            putExtras(bundle)

            setData(toUri(Intent.URI_INTENT_SCHEME).toUri())

        }

    }

    private Intent getCreateNoteIntent(Account localAccount ) {

        final Bundle bundle = new Bundle();

        bundle.putSerializable(PARAM_CATEGORY, data.getMode() == MODE_DISPLAY_STARRED ? new NavigationCategory(ENavigationCategoryType.FAVORITES) : new NavigationCategory(localAccount.getId(), data.getCategory()));

        bundle.putLong(EditNoteActivity.PARAM_ACCOUNT_ID, data.getAccountId());

    private fun getCreateNoteIntent(localAccount: Account): Intent {

        val bundle = Bundle()

        return getEditNoteIntent(bundle);

    }

        data?.let {

            val navigationCategory = if (it.mode == NotesListWidgetData.MODE_DISPLAY_STARRED) NavigationCategory(

                ENavigationCategoryType.FAVORITES

            ) else NavigationCategory(localAccount.id, it.category)

    private Intent getOpenNoteIntent(Note note) {

        final Bundle bundle = new Bundle();

        bundle.putLong(EditNoteActivity.PARAM_NOTE_ID, note.getId());

        bundle.putLong(EditNoteActivity.PARAM_ACCOUNT_ID, note.getAccountId());

            bundle.putSerializable(EditNoteActivity.PARAM_CATEGORY, navigationCategory)

            bundle.putLong(EditNoteActivity.PARAM_ACCOUNT_ID, it.accountId)

        }

        return getEditNoteIntent(bundle);

        return getEditNoteIntent(bundle)

    }

    @Override

    public RemoteViews getViewAt(int position) {

        final RemoteViews note_content;

    private fun getOpenNoteIntent(note: Note): Intent {

        val bundle = Bundle().apply {

            putLong(EditNoteActivity.PARAM_NOTE_ID, note.id)

            putLong(EditNoteActivity.PARAM_ACCOUNT_ID, note.accountId)

        }

        if (position == 0) {

            final Account localAccount = repo.getAccountById(data.getAccountId());

            final Intent createNoteIntent = getCreateNoteIntent(localAccount);

            final Intent openIntent = new Intent(Intent.ACTION_MAIN).setComponent(new ComponentName(context.getPackageName(), MainActivity.class.getName()));

            note_content = new RemoteViews(context.getPackageName(), R.layout.widget_entry_add);

            note_content.setOnClickFillInIntent(R.id.widget_entry_content_tv, openIntent);

            note_content.setOnClickFillInIntent(R.id.widget_entry_fav_icon, createNoteIntent);

            note_content.setTextViewText(R.id.widget_entry_content_tv, getCategoryTitle(context, data.getMode(), data.getCategory()));

            note_content.setImageViewResource(R.id.widget_entry_fav_icon, R.drawable.ic_add_blue_24dp);

            note_content.setInt(R.id.widget_entry_fav_icon, "setColorFilter", NotesColorUtil.contrastRatioIsSufficient(ContextCompat.getColor(context, R.color.widget_background), localAccount.getColor())

                    ? localAccount.getColor()

                    : ContextCompat.getColor(context, R.color.widget_foreground));

        } else {

            position--;

            if (position > dbNotes.size() - 1 || dbNotes.get(position) == null) {

                Log.e(TAG, "Could not find position \"" + position + "\" in dbNotes list.");

                return null;

        return getEditNoteIntent(bundle)

    }

            final Note note = dbNotes.get(position);

            final Intent openNoteIntent = getOpenNoteIntent(note);

    private fun getRemoteViewFromData(): RemoteViews? {

        val widgetData = data ?: return null

        val localAccount = repo.getAccountById(widgetData.accountId)

        val createNoteIntent = getCreateNoteIntent(localAccount)

        val openIntent = Intent(Intent.ACTION_MAIN).setComponent(

            ComponentName(

                context.packageName,

                MainActivity::class.java.getName()

            )

        )

            note_content = new RemoteViews(context.getPackageName(), R.layout.widget_entry);

            note_content.setOnClickFillInIntent(R.id.widget_note_list_entry, openNoteIntent);

            note_content.setTextViewText(R.id.widget_entry_content_tv, note.getTitle());

            note_content.setImageViewResource(R.id.widget_entry_fav_icon, note.getFavorite()

                    ? R.drawable.ic_star_yellow_24dp

                    : R.drawable.ic_star_grey_ccc_24dp);

        return RemoteViews(context.packageName, R.layout.widget_entry_add).apply {

            setOnClickFillInIntent(R.id.widget_entry_content_tv, openIntent)

            setOnClickFillInIntent(R.id.widget_entry_fav_icon, createNoteIntent)

            setTextViewText(

                R.id.widget_entry_content_tv,

                getCategoryTitle(context, widgetData.mode, widgetData.category)

            )

            setImageViewResource(

                R.id.widget_entry_fav_icon,

                R.drawable.ic_add_blue_24dp

            )

            setInt(

                R.id.widget_entry_fav_icon,

                "setColorFilter",

                if (NotesColorUtil.contrastRatioIsSufficient(

                        ContextCompat.getColor(

                            context,

                            R.color.widget_background

                        ), localAccount.color

                    )

                )

                    localAccount.color

                else

                    ContextCompat.getColor(context, R.color.widget_foreground)

            )

        }

    }

        return note_content;

    private fun getRemoteViewFromPosition(position: Int): RemoteViews? {

        var position = position

        position--

        if (position < 0 || position >= dbNotes.size) {

            Log.e(TAG, "Could not find position \"$position\" in dbNotes list.")

            return null

        }

        val note = dbNotes[position]

        val openNoteIntent = getOpenNoteIntent(note)

        return RemoteViews(context.packageName, R.layout.widget_entry).apply {

            setOnClickFillInIntent(R.id.widget_note_list_entry, openNoteIntent)

            setTextViewText(R.id.widget_entry_content_tv, note.title)

            setImageViewResource(

                R.id.widget_entry_fav_icon, if (note.favorite)

                    R.drawable.ic_star_yellow_24dp

                else

                    R.drawable.ic_star_grey_ccc_24dp

            )

        }

    }

    @NonNull

    private static String getCategoryTitle(@NonNull Context context, int displayMode, String category) {

        return switch (displayMode) {

            case MODE_DISPLAY_STARRED ->

                    context.getString(R.string.label_favorites);

            case MODE_DISPLAY_CATEGORY ->

                    "".equals(category)

                        ? context.getString(R.string.action_uncategorized)

                        : category;

            default -> context.getString(R.string.app_name);

        };

    override fun getViewAt(position: Int): RemoteViews? {

        return if (position == 0 && data != null) {

            getRemoteViewFromData()

        } else {

            getRemoteViewFromPosition(position)

        }

    }

    @Override

    public RemoteViews getLoadingView() {

        return null;

    override fun getLoadingView(): RemoteViews? {

        return null

    }

    @Override

    public int getViewTypeCount() {

        return 2;

    override fun getViewTypeCount(): Int {

        return 2

    }

    @Override

    public long getItemId(int position) {

    override fun getItemId(position: Int): Long {

        var position = position

        if (position == 0) {

            return -1;

            return -1

        } else {

            position--;

            if (position > dbNotes.size() - 1 || dbNotes.get(position) == null) {

                Log.e(TAG, "Could not find position \"" + position + "\" in dbNotes list.");

                return -2;

            position--

            if (position > dbNotes.size - 1 || dbNotes.get(position) == null) {

                Log.e(TAG, "Could not find position \"" + position + "\" in dbNotes list.")

                return -2

            }

            return dbNotes.get(position).getId();

            return dbNotes[position].id

        }

    }

    @Override

    public boolean hasStableIds() {

        return true;

    override fun hasStableIds(): Boolean {

        return true

    }

    companion object {

        private val TAG: String = NoteListWidgetFactory::class.java.getSimpleName()

        private fun getCategoryTitle(

            context: Context,

            displayMode: Int,

            category: String?

        ): String {

            return when (displayMode) {

                NotesListWidgetData.MODE_DISPLAY_STARRED -> context.getString(R.string.label_favorites)

                NotesListWidgetData.MODE_DISPLAY_CATEGORY -> if ("" == category)

                    context.getString(R.string.action_uncategorized)

                else

                    category

                else -> context.getString(R.string.app_name)

            }!!

        }

    }

}