Android Open Source - robo-remote List View

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The source code is released under:

Copyright (c) 2012, 2013, 2014, Groupon, Inc. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provi...

Java Source Code

/*
        Copyright (c) 2012, 2013, 2014, Groupon, Inc.
        All rights reserved./*from  ww w  . j  a v  a2s .  c om*/

        Redistribution and use in source and binary forms, with or without
        modification, are permitted provided that the following conditions
        are met:

        Redistributions of source code must retain the above copyright notice,
        this list of conditions and the following disclaimer.

        Redistributions in binary form must reproduce the above copyright
        notice, this list of conditions and the following disclaimer in the
        documentation and/or other materials provided with the distribution.

        Neither the name of GROUPON nor the names of its contributors may be
        used to endorse or promote products derived from this software without
        specific prior written permission.

        THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
        IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
        TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
        PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
        HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
        SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
        TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
        PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
        LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
        NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
        SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.groupon.roboremote.roboremoteclient.components;

import com.groupon.roboremote.roboremoteclient.Solo;
import com.groupon.roboremote.roboremoteclient.QueryBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ListView {
    private static final Logger logger = LoggerFactory.getLogger("test");

    public static void scrollToTop() throws Exception {
        scrollToTop(Solo.getCurrentListViews()[0]);
    }

    public static void scrollToTop(String listRef) throws Exception {
        int listViewIndex = getListViewIndex(listRef);

        // keep scrolling until this is true
        while (Solo.scrollUpList(listViewIndex)) {
        }
    }

    public static void scrollToBottom() throws Exception {
        scrollToTop(Solo.getCurrentListViews()[0]);
    }

    public static void scrollToBottom(String listRef) throws Exception {
        int listViewIndex = getListViewIndex(listRef);

        // keep scrolling until this is true
        while (Solo.scrollDownList(listViewIndex)) {
        }
    }

    public static void clickItemAtIndex(int itemIndex) throws Exception {
        clickItemAtIndex(Solo.getCurrentListViews()[0], itemIndex);
    }

    /**
     *
     * @param listRef - reference to the list.  Can be gotten using Solo.getCurrentListViews
     * @param itemIndex - index of the item to click
     */
    public static void clickItemAtIndex(String listRef, int itemIndex) throws Exception {
        int listViewIndex = getListViewIndex(listRef);

        Solo.clickInList(scrollToIndex(listRef,  itemIndex), listViewIndex);
    }

    public static int scrollToIndex(int itemIndex) throws Exception {
        return scrollToIndex(Solo.getCurrentListViews()[0], itemIndex);
    }

    /**
     * Scrolls the specified item index onto the screen and returns the offset based on the current visible list
     * @param listRef
     * @param itemIndex
     * @return
     * @throws Exception
     */
    public static int scrollToIndex(String listRef, int itemIndex) throws Exception {
        int listViewIndex = getListViewIndex(listRef);

        if (itemIndex >= numItemsInList(listRef))
            throw new Exception("Item index is greater than number of items in the list");

        // scroll to the top of this view if we already passed the index being looked for
        QueryBuilder builder = new QueryBuilder();
        int firstVisiblePosition = builder.map("solo", "getCurrentViews", "android.widget.ListView").call("get", listViewIndex).call("getFirstVisiblePosition").execute().getInt(0);
        if (firstVisiblePosition > itemIndex)
            scrollToTop();

        boolean scrollDown = true;
        // need to get the wanted item onto the screen
        while (true) {
            builder = new QueryBuilder();
            firstVisiblePosition = builder.map("solo", "getCurrentViews", "android.widget.ListView").call("get", listViewIndex).call("getFirstVisiblePosition").execute().getInt(0);

            builder = new QueryBuilder();
            int headersViewsCount = builder.map("solo", "getCurrentViews", "android.widget.ListView").call("get", listViewIndex).call("getHeaderViewsCount").execute().getInt(0);

            firstVisiblePosition = firstVisiblePosition - headersViewsCount;

            builder = new QueryBuilder();
            int visibleChildCount = builder.map("solo", "getCurrentViews", "android.widget.ListView").call("get", listViewIndex).call("getChildCount").execute().getInt(0);

            int wantedPosition = itemIndex - firstVisiblePosition;

            if (wantedPosition >= visibleChildCount) {
                // check to see if we can even scroll anymore
                if (! scrollDown) {
                    break;
                }

                scrollDown = Solo.scrollDownList(listViewIndex);
            } else {
                // return the position
                return wantedPosition;
            }
        }

        throw new Exception("Could not find item");
    }

    public static int numItemsInList() throws Exception {
        return numItemsInList(Solo.getCurrentListViews()[0]);
    }

    public static int numItemsInList(String listRef) throws Exception {
        int listViewIndex = getListViewIndex(listRef);

        QueryBuilder builder = new QueryBuilder();
        int childCount = builder.map("solo", "getCurrentViews", "android.widget.ListView").call("get", listViewIndex).call("getAdapter").call("getCount").execute().getInt(0);

        return childCount;
    }

    private static int getListViewIndex(String listRef) throws Exception {
        String[] listViews = Solo.getCurrentListViews();

        if (listViews.length == 0)
            throw new Exception("No listviews on the screen");

        int index = 0;
        for (String listView : listViews) {
            if (listView.equals(listRef)) {
                return index;
            }
            index++;
        }

        throw new Exception("Could not find listView");
    }
    
    public static String[] getText(String listRef, int itemIndex) throws Exception {
        int listViewIndex = getListViewIndex(listRef);

        int actualIndex = scrollToIndex(listRef, itemIndex);

        String cellRef = new QueryBuilder().map("solo", "getCurrentViews", "android.widget.ListView").call("get", listViewIndex).call("getChildAt", actualIndex).execute().getString(0);
        
        return Solo.getTextFromView(cellRef);
    }
}

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