| /* |
| * Copyright (C) 2016 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.support.v4.widget; |
| |
| import android.graphics.Rect; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.support.coreui.test.R; |
| import android.support.test.annotation.UiThreadTest; |
| import android.support.v4.BaseInstrumentationTestCase; |
| import android.support.v4.view.ViewCompat; |
| import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; |
| import android.test.suitebuilder.annotation.SmallTest; |
| import android.view.View; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.util.List; |
| |
| import static junit.framework.Assert.assertFalse; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assume.assumeTrue; |
| |
| @SmallTest |
| public class ExploreByTouchHelperTest extends BaseInstrumentationTestCase<ExploreByTouchHelperTestActivity> { |
| private View mHost; |
| |
| public ExploreByTouchHelperTest() { |
| super(ExploreByTouchHelperTestActivity.class); |
| } |
| |
| @Before |
| public void setUp() { |
| // Accessibility delegates are only supported on API 14+. |
| assumeTrue(Build.VERSION.SDK_INT >= 14); |
| mHost = mActivityTestRule.getActivity().findViewById(R.id.host_view); |
| } |
| |
| @Test |
| @UiThreadTest |
| public void testBoundsInScreen() { |
| final ExploreByTouchHelper helper = new ParentBoundsHelper(mHost); |
| ViewCompat.setAccessibilityDelegate(mHost, helper); |
| |
| final AccessibilityNodeInfoCompat node = |
| helper.getAccessibilityNodeProvider(mHost).createAccessibilityNodeInfo(1); |
| assertNotNull(node); |
| |
| final Rect hostBounds = new Rect(); |
| mHost.getLocalVisibleRect(hostBounds); |
| assertFalse("Host has not been laid out", hostBounds.isEmpty()); |
| |
| final Rect nodeBoundsInParent = new Rect(); |
| node.getBoundsInParent(nodeBoundsInParent); |
| assertEquals("Wrong bounds in parent", hostBounds, nodeBoundsInParent); |
| |
| final Rect hostBoundsOnScreen = getBoundsOnScreen(mHost); |
| final Rect nodeBoundsInScreen = new Rect(); |
| node.getBoundsInScreen(nodeBoundsInScreen); |
| assertEquals("Wrong bounds in screen", hostBoundsOnScreen, nodeBoundsInScreen); |
| |
| final int scrollX = 100; |
| final int scrollY = 50; |
| mHost.scrollTo(scrollX, scrollY); |
| |
| // Generate a node for the new position. |
| final AccessibilityNodeInfoCompat scrolledNode = |
| helper.getAccessibilityNodeProvider(mHost).createAccessibilityNodeInfo(1); |
| assertNotNull(scrolledNode); |
| |
| mHost.getLocalVisibleRect(hostBounds); |
| hostBounds.intersect(nodeBoundsInParent); |
| final Rect scrolledNodeBoundsInParent = new Rect(); |
| scrolledNode.getBoundsInParent(scrolledNodeBoundsInParent); |
| assertEquals("Wrong bounds in parent after scrolling", |
| hostBounds, scrolledNodeBoundsInParent); |
| |
| final Rect expectedBoundsInScreen = new Rect(hostBoundsOnScreen); |
| expectedBoundsInScreen.offset(-scrollX, -scrollY); |
| expectedBoundsInScreen.intersect(hostBoundsOnScreen); |
| scrolledNode.getBoundsInScreen(nodeBoundsInScreen); |
| assertEquals("Wrong bounds in screen after scrolling", |
| expectedBoundsInScreen, nodeBoundsInScreen); |
| |
| ViewCompat.setAccessibilityDelegate(mHost, null); |
| } |
| |
| private static Rect getBoundsOnScreen(View v) { |
| final int[] tempLocation = new int[2]; |
| final Rect hostBoundsOnScreen = new Rect(0, 0, v.getWidth(), v.getHeight()); |
| v.getLocationOnScreen(tempLocation); |
| hostBoundsOnScreen.offset(tempLocation[0], tempLocation[1]); |
| return hostBoundsOnScreen; |
| } |
| |
| /** |
| * An extension of ExploreByTouchHelper that contains a single virtual view |
| * whose bounds match the host view. |
| */ |
| private static class ParentBoundsHelper extends ExploreByTouchHelper { |
| private final View mHost; |
| |
| public ParentBoundsHelper(View host) { |
| super(host); |
| |
| mHost = host; |
| } |
| |
| @Override |
| protected int getVirtualViewAt(float x, float y) { |
| return 1; |
| } |
| |
| @Override |
| protected void getVisibleVirtualViews(List<Integer> virtualViewIds) { |
| virtualViewIds.add(1); |
| } |
| |
| @Override |
| protected void onPopulateNodeForVirtualView(int virtualViewId, AccessibilityNodeInfoCompat node) { |
| if (virtualViewId == 1) { |
| node.setContentDescription("test"); |
| |
| final Rect hostBounds = new Rect(0, 0, mHost.getWidth(), mHost.getHeight()); |
| node.setBoundsInParent(hostBounds); |
| } |
| } |
| |
| @Override |
| protected boolean onPerformActionForVirtualView(int virtualViewId, int action, Bundle arguments) { |
| return false; |
| } |
| } |
| } |