19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 171d3165f10b12165f02b7015ac1a817c5f60e6399Neal Nguyenpackage android.widget.listview.arrowscroll; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19f76c56bcaa9df1d1afa711177f813dc63f399795Brett Chabotimport android.test.ActivityInstrumentationTestCase2; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.test.suitebuilder.annotation.MediumTest; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 22f76c56bcaa9df1d1afa711177f813dc63f399795Brett Chabotimport android.view.View; 23f76c56bcaa9df1d1afa711177f813dc63f399795Brett Chabotimport android.widget.ListView; 241d3165f10b12165f02b7015ac1a817c5f60e6399Neal Nguyenimport android.widget.listview.ListOfItemsTallerThanScreen; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class ListOfItemsTallerThanScreenTest 27f76c56bcaa9df1d1afa711177f813dc63f399795Brett Chabot extends ActivityInstrumentationTestCase2<ListOfItemsTallerThanScreen> { 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ListView mListView; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ListOfItemsTallerThanScreen mActivity; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setUp() throws Exception { 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.setUp(); 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActivity = getActivity(); 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListView = getActivity().getListView(); 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ListOfItemsTallerThanScreenTest() { 40f76c56bcaa9df1d1afa711177f813dc63f399795Brett Chabot super(ListOfItemsTallerThanScreen.class); 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @MediumTest 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testPreconditions() { 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertNotNull(mListView); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals("should only be one visible child", 1, mListView.getChildCount()); 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int amountOffScreen = mListView.getChildAt(0).getBottom() - (mListView.getBottom() - mListView.getListPaddingBottom()); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue("must be more than max scroll off screen for this test to work", 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project amountOffScreen > mListView.getMaxScrollAmount()); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @MediumTest 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testScrollDownAcrossItem() { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = mListView.getSelectedView(); 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue(view.isSelected()); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals(mListView.getListPaddingTop(), 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.getTop()); 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue("view must be taller than screen for this test to be worth anything", 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.getBottom() > mListView.getBottom()); 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // scroll down until next view is peeking ahead 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numScrollsUntilNextViewVisible = getNumDownPressesToScrollDownAcrossSelected(); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numScrollsUntilNextViewVisible; i++) { 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals("after " + i + " down scrolls across tall item", 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListView.getListPaddingTop() - mListView.getMaxScrollAmount() * i, 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.getTop()); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // at this point, next view should be on screen peeking ahead, but we haven't given 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // it selection yet 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals("child count", 2, mListView.getChildCount()); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals("selected position", 0, mListView.getSelectedItemPosition()); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue("same view should be selected", view.isSelected()); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View peekingView = mListView.getChildAt(1); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals(view.getBottom(), peekingView.getTop()); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @MediumTest 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testScrollDownToNextItem() { 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int numPresses = getNumDownPressesToScrollDownAcrossSelected(); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals(1, mListView.getChildCount()); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numPresses; i++) { 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // remember top of peeking child 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int topOfPeekingNext = mListView.getChildAt(1).getTop(); 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // next view is peeking, now press one more time 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // old view should not have selection 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertFalse(mListView.getChildAt(0).isSelected()); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // next view should now have selection, and be scrolled another a third of the list 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // height 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals(2, mListView.getChildCount()); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View next = mListView.getChildAt(1); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue("has selection", next.isSelected()); 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals(topOfPeekingNext - (mListView.getMaxScrollAmount()), next.getTop()); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @MediumTest 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testScrollFirstItemOffScreen() { 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numDownsToGetFirstItemOffScreen = 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (mListView.getSelectedView().getHeight() / mListView.getMaxScrollAmount()) + 1; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numDownsToGetFirstItemOffScreen; i++) { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getInstrumentation().waitForIdleSync(); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals("should be at next item", 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1, mListView.getSelectedItemPosition()); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int listTop = mListView.getTop() + mListView.getListPaddingTop(); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue("top of selected view should be above top of list", 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListView.getSelectedView().getTop() < listTop); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals("off screen item shouldn't be a child of list view", 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1, mListView.getChildCount()); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 128f76c56bcaa9df1d1afa711177f813dc63f399795Brett Chabot @MediumTest 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testScrollDownToLastItem() { 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int numItems = mListView.getAdapter().getCount(); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int maxDowns = 20; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (mListView.getSelectedItemPosition() < (numItems - 1)) { 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (--maxDowns <= 0) { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fail("couldn't get to last item within 20 down arrows"); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getInstrumentation().waitForIdleSync(); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // press down enough times to get to bottom of last item 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int numDownsLeft = getNumDownPressesToScrollDownAcrossSelected(); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue(numDownsLeft > 0); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numDownsLeft; i++) { 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // one more time to get across last item 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getInstrumentation().waitForIdleSync(); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals(numItems - 1, mListView.getSelectedItemPosition()); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int realBottom = mListView.getHeight() - mListView.getListPaddingBottom(); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals(realBottom, mListView.getSelectedView().getBottom()); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals("views scrolled off screen should be removed from view group", 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1, mListView.getChildCount()); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @MediumTest 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testScrollUpAcrossFirstItem() { 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int listTop = mListView.getListPaddingTop(); 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals(listTop, mListView.getSelectedView().getTop()); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int numPresses = getNumDownPressesToScrollDownAcrossSelected(); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numPresses; i++) { 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals(2, mListView.getChildCount()); 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numPresses; i++) { 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sendKeys(KeyEvent.KEYCODE_DPAD_UP); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals(1, mListView.getChildCount()); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertEquals(listTop, mListView.getSelectedView().getTop()); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Assuming the selected view is overlapping the bottom edge, how many times 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * do I have to press down to get beyond it so that either: 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a) the next view is peeking in 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * b) the selected view is the last item in the list, and we are scrolled to the bottom 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int getNumDownPressesToScrollDownAcrossSelected() { 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View selected = mListView.getSelectedView(); 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int realBottom = mListView.getBottom() - mListView.getListPaddingBottom(); 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue("view should be overlapping bottom", 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selected.getBottom() > realBottom); 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue("view should be overlapping bottom", 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selected.getTop() < realBottom); 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pixelsOffScreen = selected.getBottom() - realBottom; 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (pixelsOffScreen / mListView.getMaxScrollAmount()) + 1; 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 195