163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay/* 263d2846409d84487d4856d3b8d18cc4684352e29Steve McKay * Copyright 2017 The Android Open Source Project 363d2846409d84487d4856d3b8d18cc4684352e29Steve McKay * 463d2846409d84487d4856d3b8d18cc4684352e29Steve McKay * Licensed under the Apache License, Version 2.0 (the "License"); 563d2846409d84487d4856d3b8d18cc4684352e29Steve McKay * you may not use this file except in compliance with the License. 663d2846409d84487d4856d3b8d18cc4684352e29Steve McKay * You may obtain a copy of the License at 763d2846409d84487d4856d3b8d18cc4684352e29Steve McKay * 863d2846409d84487d4856d3b8d18cc4684352e29Steve McKay * http://www.apache.org/licenses/LICENSE-2.0 963d2846409d84487d4856d3b8d18cc4684352e29Steve McKay * 1063d2846409d84487d4856d3b8d18cc4684352e29Steve McKay * Unless required by applicable law or agreed to in writing, software 1163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay * distributed under the License is distributed on an "AS IS" BASIS, 1263d2846409d84487d4856d3b8d18cc4684352e29Steve McKay * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1363d2846409d84487d4856d3b8d18cc4684352e29Steve McKay * See the License for the specific language governing permissions and 1463d2846409d84487d4856d3b8d18cc4684352e29Steve McKay * limitations under the License. 1563d2846409d84487d4856d3b8d18cc4684352e29Steve McKay */ 1663d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 172a32c7e1264b14a20ed900abadea828b804a46ceAurimas Liutikaspackage androidx.recyclerview.selection; 1863d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 1963d2846409d84487d4856d3b8d18cc4684352e29Steve McKayimport static org.junit.Assert.assertFalse; 2063d2846409d84487d4856d3b8d18cc4684352e29Steve McKayimport static org.junit.Assert.assertTrue; 2163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 2263d2846409d84487d4856d3b8d18cc4684352e29Steve McKayimport android.support.test.filters.SmallTest; 2363d2846409d84487d4856d3b8d18cc4684352e29Steve McKayimport android.support.test.runner.AndroidJUnit4; 2463d2846409d84487d4856d3b8d18cc4684352e29Steve McKayimport android.view.MotionEvent; 2563d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 262a32c7e1264b14a20ed900abadea828b804a46ceAurimas Liutikasimport androidx.recyclerview.selection.testing.SelectionProbe; 272a32c7e1264b14a20ed900abadea828b804a46ceAurimas Liutikasimport androidx.recyclerview.selection.testing.SelectionTrackers; 282a32c7e1264b14a20ed900abadea828b804a46ceAurimas Liutikasimport androidx.recyclerview.selection.testing.TestAutoScroller; 292a32c7e1264b14a20ed900abadea828b804a46ceAurimas Liutikasimport androidx.recyclerview.selection.testing.TestEvents; 3060dadaeed4f5cee272b575dfde6c02e3506a2fa0Aurimas Liutikasimport androidx.recyclerview.widget.RecyclerView; 3160dadaeed4f5cee272b575dfde6c02e3506a2fa0Aurimas Liutikas 3260dadaeed4f5cee272b575dfde6c02e3506a2fa0Aurimas Liutikasimport org.junit.Before; 3360dadaeed4f5cee272b575dfde6c02e3506a2fa0Aurimas Liutikasimport org.junit.Test; 3460dadaeed4f5cee272b575dfde6c02e3506a2fa0Aurimas Liutikasimport org.junit.runner.RunWith; 3563d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 3663d2846409d84487d4856d3b8d18cc4684352e29Steve McKay@RunWith(AndroidJUnit4.class) 3763d2846409d84487d4856d3b8d18cc4684352e29Steve McKay@SmallTest 3863d2846409d84487d4856d3b8d18cc4684352e29Steve McKaypublic class GestureSelectionHelperTest { 3963d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 4063d2846409d84487d4856d3b8d18cc4684352e29Steve McKay private static final MotionEvent DOWN = TestEvents.builder() 4163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay .action(MotionEvent.ACTION_DOWN) 4263d2846409d84487d4856d3b8d18cc4684352e29Steve McKay .location(1, 1) 4363d2846409d84487d4856d3b8d18cc4684352e29Steve McKay .build(); 4463d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 4563d2846409d84487d4856d3b8d18cc4684352e29Steve McKay private static final MotionEvent MOVE = TestEvents.builder() 4663d2846409d84487d4856d3b8d18cc4684352e29Steve McKay .action(MotionEvent.ACTION_MOVE) 4763d2846409d84487d4856d3b8d18cc4684352e29Steve McKay .location(1, 1) 4863d2846409d84487d4856d3b8d18cc4684352e29Steve McKay .build(); 4963d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 5063d2846409d84487d4856d3b8d18cc4684352e29Steve McKay private static final MotionEvent UP = TestEvents.builder() 5163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay .action(MotionEvent.ACTION_UP) 5263d2846409d84487d4856d3b8d18cc4684352e29Steve McKay .location(1, 1) 5363d2846409d84487d4856d3b8d18cc4684352e29Steve McKay .build(); 5463d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 5563d2846409d84487d4856d3b8d18cc4684352e29Steve McKay private GestureSelectionHelper mHelper; 567fb763509e07f98d650efc25c91bff8b1cb239acSteve McKay private SelectionTracker<String> mSelectionTracker; 5763d2846409d84487d4856d3b8d18cc4684352e29Steve McKay private SelectionProbe mSelection; 584c938919c7407b83aa3cea151440b45fc184cf66Steve McKay private OperationMonitor mMonitor; 5963d2846409d84487d4856d3b8d18cc4684352e29Steve McKay private TestViewDelegate mView; 6063d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 6163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay @Before 6263d2846409d84487d4856d3b8d18cc4684352e29Steve McKay public void setUp() { 637fb763509e07f98d650efc25c91bff8b1cb239acSteve McKay mSelectionTracker = SelectionTrackers.createStringTracker("gesture-selection-test", 100); 647fb763509e07f98d650efc25c91bff8b1cb239acSteve McKay mSelection = new SelectionProbe(mSelectionTracker); 654c938919c7407b83aa3cea151440b45fc184cf66Steve McKay mMonitor = new OperationMonitor(); 6663d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mView = new TestViewDelegate(); 6763d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mHelper = new GestureSelectionHelper( 684c938919c7407b83aa3cea151440b45fc184cf66Steve McKay mSelectionTracker, mView, new TestAutoScroller(), mMonitor); 6963d2846409d84487d4856d3b8d18cc4684352e29Steve McKay } 7063d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 7163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay @Test 7263d2846409d84487d4856d3b8d18cc4684352e29Steve McKay public void testIgnoresDownOnNoPosition() { 7363d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mView.mNextPosition = RecyclerView.NO_POSITION; 7463d2846409d84487d4856d3b8d18cc4684352e29Steve McKay assertFalse(mHelper.onInterceptTouchEvent(null, DOWN)); 7563d2846409d84487d4856d3b8d18cc4684352e29Steve McKay } 7663d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 7763d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 7863d2846409d84487d4856d3b8d18cc4684352e29Steve McKay @Test 7963d2846409d84487d4856d3b8d18cc4684352e29Steve McKay public void testNoStartOnIllegalPosition() { 804c938919c7407b83aa3cea151440b45fc184cf66Steve McKay mView.mNextPosition = RecyclerView.NO_POSITION; 8163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mHelper.onInterceptTouchEvent(null, DOWN); 824c938919c7407b83aa3cea151440b45fc184cf66Steve McKay mHelper.start(); 834c938919c7407b83aa3cea151440b45fc184cf66Steve McKay assertFalse(mMonitor.isStarted()); 8463d2846409d84487d4856d3b8d18cc4684352e29Steve McKay } 8563d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 8663d2846409d84487d4856d3b8d18cc4684352e29Steve McKay @Test 8763d2846409d84487d4856d3b8d18cc4684352e29Steve McKay public void testClaimsDownOnItem() { 8863d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mView.mNextPosition = 0; 8963d2846409d84487d4856d3b8d18cc4684352e29Steve McKay assertTrue(mHelper.onInterceptTouchEvent(null, DOWN)); 9063d2846409d84487d4856d3b8d18cc4684352e29Steve McKay } 9163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 9263d2846409d84487d4856d3b8d18cc4684352e29Steve McKay @Test 9363d2846409d84487d4856d3b8d18cc4684352e29Steve McKay public void testClaimsMoveIfStarted() { 9463d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mView.mNextPosition = 0; 9563d2846409d84487d4856d3b8d18cc4684352e29Steve McKay assertTrue(mHelper.onInterceptTouchEvent(null, DOWN)); 9663d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 9763d2846409d84487d4856d3b8d18cc4684352e29Steve McKay // Normally, this is controller by the TouchSelectionHelper via a a long press gesture. 987fb763509e07f98d650efc25c91bff8b1cb239acSteve McKay mSelectionTracker.select("1"); 997fb763509e07f98d650efc25c91bff8b1cb239acSteve McKay mSelectionTracker.anchorRange(1); 10063d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mHelper.start(); 10163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay assertTrue(mHelper.onInterceptTouchEvent(null, MOVE)); 10263d2846409d84487d4856d3b8d18cc4684352e29Steve McKay } 10363d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 10463d2846409d84487d4856d3b8d18cc4684352e29Steve McKay @Test 10563d2846409d84487d4856d3b8d18cc4684352e29Steve McKay public void testCreatesRangeSelection() { 10663d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mView.mNextPosition = 1; 10763d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mHelper.onInterceptTouchEvent(null, DOWN); 10863d2846409d84487d4856d3b8d18cc4684352e29Steve McKay // Another way we are implicitly coupled to TouchInputHandler, is that we depend on 10963d2846409d84487d4856d3b8d18cc4684352e29Steve McKay // long press to establish the initial anchor point. Without that we'll get an 11063d2846409d84487d4856d3b8d18cc4684352e29Steve McKay // error when we try to extend the range. 11163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 1127fb763509e07f98d650efc25c91bff8b1cb239acSteve McKay mSelectionTracker.select("1"); 1137fb763509e07f98d650efc25c91bff8b1cb239acSteve McKay mSelectionTracker.anchorRange(1); 11463d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mHelper.start(); 11563d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 11663d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mHelper.onTouchEvent(null, MOVE); 11763d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 11863d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mView.mNextPosition = 9; 11963d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mHelper.onTouchEvent(null, MOVE); 12063d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mHelper.onTouchEvent(null, UP); 12163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 12263d2846409d84487d4856d3b8d18cc4684352e29Steve McKay mSelection.assertRangeSelected(1, 9); 12363d2846409d84487d4856d3b8d18cc4684352e29Steve McKay } 12463d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 12563d2846409d84487d4856d3b8d18cc4684352e29Steve McKay private static final class TestViewDelegate extends GestureSelectionHelper.ViewDelegate { 12663d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 12763d2846409d84487d4856d3b8d18cc4684352e29Steve McKay private int mNextPosition = RecyclerView.NO_POSITION; 12863d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 12963d2846409d84487d4856d3b8d18cc4684352e29Steve McKay @Override 13063d2846409d84487d4856d3b8d18cc4684352e29Steve McKay int getHeight() { 13163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay return 1000; 13263d2846409d84487d4856d3b8d18cc4684352e29Steve McKay } 13363d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 13463d2846409d84487d4856d3b8d18cc4684352e29Steve McKay @Override 13563d2846409d84487d4856d3b8d18cc4684352e29Steve McKay int getItemUnder(MotionEvent e) { 13663d2846409d84487d4856d3b8d18cc4684352e29Steve McKay return mNextPosition; 13763d2846409d84487d4856d3b8d18cc4684352e29Steve McKay } 13863d2846409d84487d4856d3b8d18cc4684352e29Steve McKay 13963d2846409d84487d4856d3b8d18cc4684352e29Steve McKay @Override 14063d2846409d84487d4856d3b8d18cc4684352e29Steve McKay int getLastGlidedItemPosition(MotionEvent e) { 14163d2846409d84487d4856d3b8d18cc4684352e29Steve McKay return mNextPosition; 14263d2846409d84487d4856d3b8d18cc4684352e29Steve McKay } 14363d2846409d84487d4856d3b8d18cc4684352e29Steve McKay } 14463d2846409d84487d4856d3b8d18cc4684352e29Steve McKay} 145