MultiSelectActionModeCallback.java

package org.wikipedia.views;

import android.support.annotation.Nullable;
import android.support.v7.view.ActionMode;
import android.view.Menu;
import android.view.MenuItem;

import org.wikipedia.R;

public abstract class MultiSelectActionModeCallback implements ActionMode.Callback {
    private static final String ACTION_MODE_TAG = "multiSelectActionMode";

    public static boolean is(@Nullable ActionMode mode) {
        return mode != null && ACTION_MODE_TAG.equals(mode.getTag());
    }

    @Override
    public boolean onCreateActionMode(ActionMode mode, Menu menu) {
        mode.setTag(ACTION_MODE_TAG);
        mode.getMenuInflater().inflate(R.menu.menu_action_mode_multi_select, menu);
        return true;
    }

    @Override
    public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
        return true;
    }

    @Override
    public boolean onActionItemClicked(ActionMode mode, MenuItem menuItem) {
        switch (menuItem.getItemId()) {
            case R.id.menu_delete_selected:
                onDelete();
                return true;
            default:
        }
        return false;
    }

    protected abstract void onDelete();

    @Override
    public void onDestroyActionMode(ActionMode mode) {
    }
}