| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * 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 android.widget.listview.arrowscroll; |
| |
| import android.test.ActivityInstrumentationTestCase; |
| import android.test.suitebuilder.annotation.MediumTest; |
| import android.view.KeyEvent; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.Button; |
| import android.widget.ListView; |
| import android.widget.listview.ListItemFocusablesFarApart; |
| |
| public class ListItemFocusablesFarApartTest extends ActivityInstrumentationTestCase<ListItemFocusablesFarApart> { |
| private ListView mListView; |
| private int mListTop; |
| private int mListBottom; |
| |
| public ListItemFocusablesFarApartTest() { |
| super("com.android.frameworks.coretests", ListItemFocusablesFarApart.class); |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mListView = getActivity().getListView(); |
| mListTop = mListView.getListPaddingTop(); |
| mListBottom = mListView.getHeight() - mListView.getListPaddingBottom(); |
| } |
| |
| /** |
| * Get the child of a list item. |
| * @param listIndex The index of the currently visible items |
| * @param index The index of the child. |
| */ |
| public View getChildOfItem(int listIndex, int index) { |
| return ((ViewGroup) mListView.getChildAt(listIndex)).getChildAt(index); |
| |
| } |
| |
| public int getTopOfChildOfItem(int listIndex, int index) { |
| ViewGroup listItem = (ViewGroup) mListView.getChildAt(listIndex); |
| View child = listItem.getChildAt(index); |
| return child.getTop() + listItem.getTop(); |
| } |
| |
| public int getBottomOfChildOfItem(int listIndex, int index) { |
| ViewGroup listItem = (ViewGroup) mListView.getChildAt(listIndex); |
| View child = listItem.getChildAt(index); |
| return child.getBottom() + listItem.getTop(); |
| } |
| |
| @MediumTest |
| public void testPreconditions() { |
| assertNotNull(mListView); |
| assertEquals("should only be one visible list item", |
| 1, mListView.getChildCount()); |
| int topOfFirstButton = getTopOfChildOfItem(0, 0); |
| int topOfSecondButton = getTopOfChildOfItem(0, 2); |
| assertTrue("second button should be more than max scroll away from first", |
| topOfSecondButton - topOfFirstButton > mListView.getMaxScrollAmount()); |
| } |
| |
| |
| @MediumTest |
| public void testPanWhenNextFocusableTooFarDown() { |
| |
| int expectedTop = mListView.getChildAt(0).getTop(); |
| |
| final Button topButton = (Button) getChildOfItem(0, 0); |
| |
| int counter = 0; |
| while(getTopOfChildOfItem(0, 2) > mListBottom) { |
| // just to make sure we never end up with an infinite loop |
| if (counter > 5) fail("couldn't reach next button within " + counter + " downs"); |
| |
| if (getBottomOfChildOfItem(0, 0) < mListTop) { |
| assertFalse("after " + counter + " downs, top button not visible, should not have focus", |
| topButton.isFocused()); |
| assertFalse("after " + counter + " downs, neither top button nor botom button visible, nothng within first list " + |
| "item should have focus", mListView.getChildAt(0).hasFocus()); |
| } else { |
| assertTrue("after " + counter + " downs, top button still visible, should have focus", |
| topButton.isFocused()); |
| } |
| |
| assertEquals("after " + counter + " downs, " + |
| "should have panned by max scroll amount", |
| expectedTop, mListView.getChildAt(0).getTop()); |
| |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| expectedTop -= mListView.getMaxScrollAmount(); |
| counter++; |
| } |
| |
| // at this point, the second button is visible on screen. |
| // it should have focus |
| assertTrue("second button should have focus", |
| getChildOfItem(0, 2).isFocused()); |
| } |
| |
| } |