ActionBarReflector.java

/*
 * Copyright 2014 Alex Curran
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.github.amlcurran.showcaseview.targets;

import android.app.Activity;
import android.view.View;
import android.view.ViewParent;

/**
 * Reflector which finds action items in the standard API 11 ActionBar implementation
 */
class ActionBarReflector implements Reflector {

    private Activity mActivity;

    public ActionBarReflector(Activity activity) {
        mActivity = activity;
    }

    @Override
    public ViewParent getActionBarView() {
        return getHomeButton().getParent().getParent();
    }

    @Override
    public View getHomeButton() {
        View homeButton = mActivity.findViewById(android.R.id.home);
        if (homeButton == null) {
            throw new RuntimeException(
                    "insertShowcaseViewWithType cannot be used when the theme " +
                            "has no ActionBar");
        }
        return homeButton;
    }

    @Override
    public void showcaseActionItem(int itemId) {

    }
}