| /* |
| * Copyright (C) 2020 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 com.android.car.ui.utils; |
| |
| import static android.view.View.GONE; |
| import static android.view.View.INVISIBLE; |
| import static android.view.View.VISIBLE; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.TextView; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.recyclerview.widget.LinearLayoutManager; |
| import androidx.recyclerview.widget.RecyclerView; |
| import androidx.test.rule.ActivityTestRule; |
| |
| import com.android.car.ui.FocusArea; |
| import com.android.car.ui.FocusParkingView; |
| import com.android.car.ui.recyclerview.CarUiRecyclerView; |
| import com.android.car.ui.test.R; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** Unit tests for {@link ViewUtils}. */ |
| public class ViewUtilsTest { |
| |
| @Rule |
| public ActivityTestRule<ViewUtilsTestActivity> mActivityRule = |
| new ActivityTestRule<>(ViewUtilsTestActivity.class); |
| |
| private ViewUtilsTestActivity mActivity; |
| private FocusArea mFocusArea1; |
| private FocusArea mFocusArea2; |
| private FocusArea mFocusArea3; |
| private FocusArea mFocusArea4; |
| private FocusArea mFocusArea5; |
| private FocusParkingView mFpv; |
| private View mView2; |
| private View mFocusedByDefault3; |
| private View mView4; |
| private View mDefaultFocus4; |
| private CarUiRecyclerView mList5; |
| private View mRoot; |
| |
| @Before |
| public void setUp() { |
| mActivity = mActivityRule.getActivity(); |
| mFocusArea1 = mActivity.findViewById(R.id.focus_area1); |
| mFocusArea2 = mActivity.findViewById(R.id.focus_area2); |
| mFocusArea3 = mActivity.findViewById(R.id.focus_area3); |
| mFocusArea4 = mActivity.findViewById(R.id.focus_area4); |
| mFocusArea5 = mActivity.findViewById(R.id.focus_area5); |
| mFpv = mActivity.findViewById(R.id.fpv); |
| mView2 = mActivity.findViewById(R.id.view2); |
| mFocusedByDefault3 = mActivity.findViewById(R.id.focused_by_default3); |
| mView4 = mActivity.findViewById(R.id.view4); |
| mDefaultFocus4 = mActivity.findViewById(R.id.default_focus4); |
| mList5 = mActivity.findViewById(R.id.list5); |
| mRoot = mFocusArea1.getRootView(); |
| |
| mRoot.post(() -> { |
| setUpRecyclerView(mList5); |
| }); |
| } |
| |
| @Test |
| public void testRootVisible() { |
| mRoot.post(() -> assertThat(mRoot.getVisibility()).isEqualTo(VISIBLE)); |
| } |
| |
| @Test |
| public void testFindFocusedByDefaultView() { |
| mRoot.post(() -> { |
| View focusedByDefault = ViewUtils.findFocusedByDefaultView(mRoot); |
| assertThat(focusedByDefault).isEqualTo(mFocusedByDefault3); |
| }); |
| } |
| |
| @Test |
| public void testFindFocusedByDefaultView_skipNotFocusable() { |
| mRoot.post(() -> { |
| mFocusedByDefault3.setFocusable(false); |
| View focusedByDefault = ViewUtils.findFocusedByDefaultView(mRoot); |
| assertThat(focusedByDefault).isNull(); |
| }); |
| } |
| |
| @Test |
| public void testFindFocusedByDefaultView_skipInvisibleView() { |
| mRoot.post(() -> { |
| mFocusArea3.setVisibility(INVISIBLE); |
| assertThat(mFocusArea3.getVisibility()).isEqualTo(INVISIBLE); |
| View focusedByDefault = ViewUtils.findFocusedByDefaultView(mRoot); |
| assertThat(focusedByDefault).isNull(); |
| }); |
| } |
| |
| @Test |
| public void testFindFocusedByDefaultView_skipInvisibleAncestor() { |
| mRoot.post(() -> { |
| mRoot.setVisibility(INVISIBLE); |
| View focusedByDefault = ViewUtils.findFocusedByDefaultView(mFocusArea3); |
| assertThat(focusedByDefault).isNull(); |
| }); |
| } |
| |
| @Test |
| public void testFindImplicitDefaultFocusView_inRoot() { |
| mRoot.post(() -> { |
| View firstItem = mList5.getLayoutManager().findViewByPosition(0); |
| View implicitDefaultFocus = ViewUtils.findImplicitDefaultFocusView(mRoot); |
| assertThat(implicitDefaultFocus).isEqualTo(firstItem); |
| }); |
| } |
| |
| @Test |
| public void testFindImplicitDefaultFocusView_inFocusArea() { |
| mRoot.post(() -> { |
| View firstItem = mList5.getLayoutManager().findViewByPosition(0); |
| View implicitDefaultFocus = ViewUtils.findImplicitDefaultFocusView(mFocusArea5); |
| assertThat(implicitDefaultFocus).isEqualTo(firstItem); |
| }); |
| } |
| |
| @Test |
| public void testFindImplicitDefaultFocusView_skipInvisibleAncestor() { |
| mRoot.post(() -> { |
| mRoot.setVisibility(INVISIBLE); |
| View implicitDefaultFocus = ViewUtils.findImplicitDefaultFocusView(mFocusArea5); |
| assertThat(implicitDefaultFocus).isNull(); |
| }); |
| } |
| |
| @Test |
| public void testFindFirstFocusableDescendant() { |
| mRoot.post(() -> { |
| mFocusArea2.setFocusable(true); |
| View firstFocusable = ViewUtils.findFirstFocusableDescendant(mRoot); |
| assertThat(firstFocusable).isEqualTo(mFocusArea2); |
| }); |
| } |
| |
| @Test |
| public void testFindFirstFocusableDescendant_skipItself() { |
| mRoot.post(() -> { |
| mFocusArea2.setFocusable(true); |
| View firstFocusable = ViewUtils.findFirstFocusableDescendant(mFocusArea2); |
| assertThat(firstFocusable).isEqualTo(mView2); |
| }); |
| } |
| |
| @Test |
| public void testFindFirstFocusableDescendant_skipInvisibleAndGoneView() { |
| mRoot.post(() -> { |
| mFocusArea2.setVisibility(INVISIBLE); |
| mFocusArea3.setVisibility(GONE); |
| View firstFocusable = ViewUtils.findFirstFocusableDescendant(mRoot); |
| assertThat(firstFocusable).isEqualTo(mView4); |
| }); |
| } |
| |
| @Test |
| public void testFindFirstFocusableDescendant_skipInvisibleAncestor() { |
| mRoot.post(() -> { |
| mRoot.setVisibility(INVISIBLE); |
| View firstFocusable = ViewUtils.findFirstFocusableDescendant(mFocusArea2); |
| assertThat(firstFocusable).isNull(); |
| }); |
| } |
| |
| @Test |
| public void testIsImplicitDefaultFocusView_firstItem() { |
| mRoot.post(() -> { |
| View firstItem = mList5.getLayoutManager().findViewByPosition(0); |
| assertThat(ViewUtils.isImplicitDefaultFocusView(firstItem)).isTrue(); |
| }); |
| } |
| |
| @Test |
| public void testIsImplicitDefaultFocusView_secondItem() { |
| mRoot.post(() -> { |
| View secondItem = mList5.getLayoutManager().findViewByPosition(1); |
| assertThat(ViewUtils.isImplicitDefaultFocusView(secondItem)).isFalse(); |
| }); |
| } |
| |
| @Test |
| public void testIsImplicitDefaultFocusView_normalView() { |
| mRoot.post(() -> { |
| assertThat(ViewUtils.isImplicitDefaultFocusView(mView2)).isFalse(); |
| }); |
| } |
| |
| @Test |
| public void testIsImplicitDefaultFocusView_skipInvisibleAncestor() { |
| mRoot.post(() -> { |
| mFocusArea5.setVisibility(INVISIBLE); |
| View firstItem = mList5.getLayoutManager().findViewByPosition(0); |
| assertThat(ViewUtils.isImplicitDefaultFocusView(firstItem)).isFalse(); |
| }); |
| } |
| |
| @Test |
| public void testRequestFocus() { |
| mRoot.post(() -> { |
| assertRequestFocus(mView2, true); |
| }); |
| } |
| |
| @Test |
| public void testRequestFocus_nullView() { |
| mRoot.post(() -> { |
| assertRequestFocus(null, false); |
| }); |
| } |
| |
| @Test |
| public void testRequestFocus_alreadyFocused() { |
| mRoot.post(() -> { |
| assertRequestFocus(mView2, true); |
| // mView2 is already focused before requesting focus. |
| assertRequestFocus(mView2, true); |
| }); |
| } |
| |
| @Test |
| public void testRequestFocus_notFocusable() { |
| mRoot.post(() -> { |
| mView2.setFocusable(false); |
| assertRequestFocus(mView2, false); |
| }); |
| } |
| |
| @Test |
| public void testRequestFocus_disabled() { |
| mRoot.post(() -> { |
| mView2.setEnabled(false); |
| assertRequestFocus(mView2, false); |
| }); |
| } |
| |
| @Test |
| public void testRequestFocus_notVisible() { |
| mRoot.post(() -> { |
| mView2.setVisibility(View.INVISIBLE); |
| assertRequestFocus(mView2, false); |
| }); |
| } |
| |
| @Test |
| public void testRequestFocus_skipInvisibleAncestor() { |
| mRoot.post(() -> { |
| mFocusArea2.setVisibility(View.INVISIBLE); |
| assertRequestFocus(mView2, false); |
| }); |
| } |
| |
| @Test |
| public void testRequestFocus_zeroWidth() { |
| mRoot.post(() -> { |
| mView2.setRight(mView2.getLeft()); |
| assertThat(mView2.getWidth()).isEqualTo(0); |
| assertRequestFocus(mView2, false); |
| }); |
| } |
| |
| @Test |
| public void testRequestFocus_detachedFromWindow() { |
| mRoot.post(() -> { |
| mFocusArea2.removeView(mView2); |
| assertRequestFocus(mView2, false); |
| }); |
| } |
| |
| @Test |
| public void testRequestFocus_FocusParkingView() { |
| mRoot.post(() -> { |
| assertRequestFocus(mView2, true); |
| assertRequestFocus(mFpv, false); |
| }); |
| } |
| |
| @Test |
| public void testRequestFocus_scrollableContainer() { |
| mRoot.post(() -> { |
| assertRequestFocus(mList5, false); |
| }); |
| } |
| |
| @Test |
| public void testAdjustFocus_inRoot() { |
| mRoot.post(() -> { |
| assertRequestFocus(mView2, true); |
| ViewUtils.adjustFocus(mRoot, null); |
| assertThat(mFocusedByDefault3.isFocused()).isTrue(); |
| }); |
| } |
| |
| @Test |
| public void testAdjustFocus_inFocusAreaWithDefaultFocus() { |
| mRoot.post(() -> { |
| assertRequestFocus(mView2, true); |
| ViewUtils.adjustFocus(mFocusArea3, null); |
| assertThat(mFocusedByDefault3.isFocused()).isTrue(); |
| }); |
| } |
| |
| @Test |
| public void testAdjustFocus_inFocusAreaWithoutDefaultFocus() { |
| mRoot.post(() -> { |
| assertRequestFocus(mView4, true); |
| ViewUtils.adjustFocus(mFocusArea2, null); |
| assertThat(mView2.isFocused()).isTrue(); |
| }); |
| } |
| |
| @Test |
| public void testAdjustFocus_inFocusAreaWithoutFocusableDescendant() { |
| mRoot.post(() -> { |
| assertRequestFocus(mView2, true); |
| boolean success = ViewUtils.adjustFocus(mFocusArea1, null); |
| assertThat(mFocusArea1.hasFocus()).isFalse(); |
| assertThat(success).isFalse(); |
| }); |
| } |
| |
| private static void assertRequestFocus(@Nullable View view, boolean focused) { |
| boolean result = ViewUtils.requestFocus(view); |
| assertThat(result).isEqualTo(focused); |
| if (view != null) { |
| assertThat(view.isFocused()).isEqualTo(focused); |
| } |
| } |
| |
| private void setUpRecyclerView(@NonNull CarUiRecyclerView list) { |
| list.setLayoutManager(new LinearLayoutManager(mActivity)); |
| list.setAdapter(new TestAdapter()); |
| } |
| |
| private static class TestAdapter extends RecyclerView.Adapter<TestViewHolder> { |
| |
| private static final List<String> DATA = Arrays.asList("first", "second"); |
| |
| @NonNull |
| @Override |
| public TestViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { |
| View view = LayoutInflater.from(parent.getContext()) |
| .inflate(R.layout.test_list_item, parent, false); |
| return new TestViewHolder(view); |
| } |
| |
| @Override |
| public void onBindViewHolder(@NonNull TestViewHolder holder, int position) { |
| holder.bind(DATA.get(position)); |
| } |
| |
| @Override |
| public int getItemCount() { |
| return DATA.size(); |
| } |
| } |
| |
| private static class TestViewHolder extends RecyclerView.ViewHolder { |
| private final TextView mTextView; |
| |
| TestViewHolder(View view) { |
| super(view); |
| mTextView = view.findViewById(R.id.text); |
| } |
| |
| void bind(String text) { |
| mTextView.setText(text); |
| } |
| } |
| } |