android/app/src/main/java/io/v/android/apps/reader/db/FakeDB.java

// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package io.v.android.apps.reader.db;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;

import java.util.ArrayList;
import java.util.List;

import io.v.android.apps.reader.model.Listener;
import io.v.android.apps.reader.vdl.File;

/**
 * A fake implementation of the DB interface for manual testing.
 */
public class FakeDB implements DB {

    private static final String[] FILE_NAMES = {
            "Foo.pdf",
            "Bar.pdf"
    };

    private FakeFileList mFileList;

    public FakeDB(Context context) {
        mFileList = new FakeFileList();
    }

    static class FakeFileList implements DBList<File> {

        private List<File> mFiles;
        private Listener mListener;

        public FakeFileList() {
            mFiles = new ArrayList<>();
            for (String fileName : FILE_NAMES) {
                mFiles.add(createFile(fileName));
            }
        }

        private static File createFile(String title) {
            return new File(null, null, title, 0L, null);
        }

        @Override
        public int getItemCount() {
            return mFiles.size();
        }

        @Override
        public File getItem(int position) {
            return mFiles.get(position);
        }

        @Override
        public void setListener(Listener listener) {
            // This fake list never calls the notify methods.
            // Just check if the listener is set only once.
            assert mListener == null;
            mListener = listener;
        }

        @Override
        public void discard() {
            // Nothing to do.
        }
    }

    public void init(Activity activity) {
        // Nothing to do.
    }

    @Override
    public boolean onActivityResult(int requestCode, int resultCode, Intent data) {
        // Nothing to do.
        return false;
    }

    @Override
    public DBList<File> getFileList() {
        return mFileList;
    }

}