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      1 /*
      2  * Copyright (C) 2007 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.widget.listview.touch;
     18 
     19 import android.test.ActivityInstrumentationTestCase;
     20 import android.test.suitebuilder.annotation.LargeTest;
     21 import android.test.suitebuilder.annotation.MediumTest;
     22 import android.test.TouchUtils;
     23 import android.view.Gravity;
     24 import android.view.View;
     25 import android.view.ViewConfiguration;
     26 import android.widget.ListView;
     27 
     28 import android.widget.listview.ListTopGravityMany;
     29 
     30 /**
     31  * Touch tests for a list where all of the items do not fit on the screen.
     32  */
     33 public class ListTouchManyTest extends ActivityInstrumentationTestCase<ListTopGravityMany> {
     34     private ListTopGravityMany mActivity;
     35     private ListView mListView;
     36 
     37     public ListTouchManyTest() {
     38         super("com.android.frameworks.coretests", ListTopGravityMany.class);
     39     }
     40 
     41     @Override
     42     protected void setUp() throws Exception {
     43         super.setUp();
     44 
     45         mActivity = getActivity();
     46         mListView = getActivity().getListView();
     47     }
     48 
     49     @MediumTest
     50     public void testPreconditions() {
     51         assertNotNull(mActivity);
     52         assertNotNull(mListView);
     53 
     54         // First item should be selected
     55         assertEquals(0, mListView.getSelectedItemPosition());
     56     }
     57 
     58     @MediumTest
     59     public void testPullDown() {
     60         TouchUtils.scrollToTop(this, mListView);
     61 
     62         // Nothing should be selected
     63         assertEquals("Selection still available after touch", -1,
     64                 mListView.getSelectedItemPosition());
     65 
     66         View firstChild = mListView.getChildAt(0);
     67 
     68         assertEquals("Item zero not the first child in the list", 0, firstChild.getId());
     69 
     70         assertEquals("Item zero not at the top of the list", mListView.getListPaddingTop(),
     71                 firstChild.getTop());
     72     }
     73 
     74     @LargeTest
     75     public void testPushUp() {
     76         int originalCount = mListView.getChildCount();
     77 
     78         TouchUtils.scrollToBottom(this, mListView);
     79 
     80         // Nothing should be selected
     81         assertEquals("Selection still available after touch", -1,
     82                 mListView.getSelectedItemPosition());
     83 
     84         View lastChild = mListView.getChildAt(mListView.getChildCount() - 1);
     85 
     86         assertEquals("List is not scrolled to the bottom", mListView.getAdapter().getCount() - 1,
     87                 lastChild.getId());
     88 
     89         assertEquals("Last item is not touching the bottom edge",
     90                 mListView.getHeight() - mListView.getListPaddingBottom(), lastChild.getBottom());
     91 
     92         assertTrue(String.format("Too many children created: %d expected no more than %d",
     93                 mListView.getChildCount(), originalCount + 1),
     94                 mListView.getChildCount() <= originalCount + 1);
     95     }
     96 
     97     @LargeTest
     98     public void testPress() {
     99         int i;
    100         int count = mListView.getChildCount();
    101         mActivity.setClickedPosition(-1);
    102         mActivity.setLongClickedPosition(-1);
    103 
    104         for (i = 0; i < count; i++) {
    105             View child = mListView.getChildAt(i);
    106             if ((child.getTop() >= mListView.getListPaddingTop())
    107                     && (child.getBottom() <=
    108                         mListView.getHeight() - mListView.getListPaddingBottom())) {
    109                 TouchUtils.clickView(this, child);
    110 
    111                 assertEquals("Incorrect view position reported being clicked", i,
    112                         mActivity.getClickedPosition());
    113                 assertEquals("View falsely reported being long clicked", -1,
    114                         mActivity.getLongClickedPosition());
    115                 try {
    116                     Thread.sleep((long)(ViewConfiguration.getLongPressTimeout() * 1.25f));
    117                 } catch (InterruptedException e) {
    118                     e.printStackTrace();
    119                 }
    120             }
    121         }
    122     }
    123 
    124     @LargeTest
    125     public void testLongPress() {
    126         int i;
    127         int count = mListView.getChildCount();
    128         mActivity.enableLongPress();
    129         mActivity.setClickedPosition(-1);
    130         mActivity.setLongClickedPosition(-1);
    131 
    132         for (i = 0; i < count; i++) {
    133             View child = mListView.getChildAt(i);
    134             if ((child.getTop() >= mListView.getListPaddingTop())
    135                     && (child.getBottom() <=
    136                         mListView.getHeight() - mListView.getListPaddingBottom())) {
    137                 TouchUtils.longClickView(this, child);
    138                 assertEquals("Incorrect view position reported being long clicked", i,
    139                         mActivity.getLongClickedPosition());
    140                 assertEquals("View falsely reported being clicked", -1,
    141                         mActivity.getClickedPosition());
    142             }
    143         }
    144     }
    145 
    146     @MediumTest
    147     public void testNoScroll() {
    148         View firstChild = mListView.getChildAt(0);
    149         View lastChild = mListView.getChildAt(mListView.getChildCount() - 1);
    150 
    151         int firstTop = firstChild.getTop();
    152 
    153         TouchUtils.dragViewBy(this, lastChild, Gravity.TOP | Gravity.LEFT,
    154                 0, -(ViewConfiguration.getTouchSlop()));
    155 
    156         View newFirstChild = mListView.getChildAt(0);
    157 
    158         assertEquals("View scrolled too early", firstTop, newFirstChild.getTop());
    159         assertEquals("Wrong view in first position", 0, newFirstChild.getId());
    160     }
    161 
    162     // TODO: needs to be adjusted to pass on non-HVGA displays
    163     // @LargeTest
    164     public void testShortScroll() {
    165         View firstChild = mListView.getChildAt(0);
    166         View lastChild = mListView.getChildAt(mListView.getChildCount() - 1);
    167 
    168         int firstTop = firstChild.getTop();
    169 
    170         TouchUtils.dragViewBy(this, lastChild, Gravity.TOP | Gravity.LEFT,
    171                 0, -(ViewConfiguration.getTouchSlop() + 1 + 10));
    172 
    173         View newFirstChild = mListView.getChildAt(0);
    174 
    175         assertEquals("View scrolled too early", firstTop, newFirstChild.getTop() + 10);
    176         assertEquals("Wrong view in first position", 0, newFirstChild.getId());
    177     }
    178 
    179     // TODO: needs to be adjusted to pass on non-HVGA displays
    180     // @LargeTest
    181     public void testLongScroll() {
    182         View lastChild = mListView.getChildAt(mListView.getChildCount() - 1);
    183 
    184         int lastTop = lastChild.getTop();
    185 
    186         int distance = TouchUtils.dragViewToY(this, lastChild,
    187                 Gravity.TOP | Gravity.LEFT, mListView.getTop());
    188 
    189         assertEquals("View scrolled to wrong position",
    190                 lastTop - (distance - ViewConfiguration.getTouchSlop() - 1), lastChild.getTop());
    191     }
    192 
    193 
    194 }
    195