Merge "Set max num of slices allowed in panel view" into qt-dev (ae344faf) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/panel/PanelSlicesAdapter.java

+15 −2

Original line number	Diff line number	Diff line
		@@ -44,6 +44,12 @@ import java.util.List;
		public class PanelSlicesAdapter
		extends RecyclerView.Adapter<PanelSlicesAdapter.SliceRowViewHolder> {

		/**
		* Maximum number of slices allowed on the panel view.
		*/
		@VisibleForTesting
		static final int MAX_NUM_OF_SLICES = 5;

		private final List<LiveData<Slice>> mSliceLiveData;
		private final int mMetricsCategory;
		private final PanelFragment mPanelFragment;
		@@ -70,14 +76,21 @@ public class PanelSlicesAdapter
		sliceRowViewHolder.onBind(mSliceLiveData.get(position));
		}

		/**
		* Return the number of available items in the adapter with max number of slices enforced.
		*/
		@Override
		public int getItemCount() {
		return mSliceLiveData.size();
		return Math.min(mSliceLiveData.size(), MAX_NUM_OF_SLICES);
		}

		/**
		* Return the available data from the adapter. If the number of Slices over the max number
		* allowed, the list will only have the first MAX_NUM_OF_SLICES of slices.
		*/
		@VisibleForTesting
		List<LiveData<Slice>> getData() {
		return mSliceLiveData;
		return mSliceLiveData.subList(0, getItemCount());
		}

		/**

tests/robotests/src/com/android/settings/panel/PanelSlicesAdapterTest.java

+29 −14

Original line number	Diff line number	Diff line
		@@ -16,12 +16,14 @@

		package com.android.settings.panel;

		import static com.android.settings.panel.PanelSlicesAdapter.MAX_NUM_OF_SLICES;
		import static com.android.settings.slices.CustomSliceRegistry.MEDIA_OUTPUT_INDICATOR_SLICE_URI;

		import static com.google.common.truth.Truth.assertThat;

		import static org.mockito.ArgumentMatchers.any;
		import static org.mockito.Mockito.doReturn;
		import static org.mockito.Mockito.mock;
		import static org.mockito.Mockito.spy;
		import static org.mockito.Mockito.when;

		@@ -40,7 +42,6 @@ import com.android.settings.testutils.FakeFeatureFactory;
		import org.junit.Before;
		import org.junit.runner.RunWith;
		import org.junit.Test;
		import org.mockito.Mock;
		import org.mockito.MockitoAnnotations;
		import org.robolectric.Robolectric;
		import org.robolectric.RobolectricTestRunner;
		@@ -62,11 +63,6 @@ public class PanelSlicesAdapterTest {
		private FakePanelContent mFakePanelContent;
		private List<LiveData<Slice>> mData = new ArrayList<>();

		@Mock
		private LiveData<Slice> mLiveData;

		private Slice mSlice;

		@Before
		public void setUp() {
		MockitoAnnotations.initMocks(this);
		@@ -91,17 +87,18 @@ public class PanelSlicesAdapterTest {

		}

		private void constructTestLiveData(Uri uri) {
		private void addTestLiveData(Uri uri) {
		// Create a slice to return for the LiveData
		mSlice = spy(new Slice());
		doReturn(uri).when(mSlice).getUri();
		when(mLiveData.getValue()).thenReturn(mSlice);
		mData.add(mLiveData);
		final Slice slice = spy(new Slice());
		doReturn(uri).when(slice).getUri();
		final LiveData<Slice> liveData = mock(LiveData.class);
		when(liveData.getValue()).thenReturn(slice);
		mData.add(liveData);
		}

		@Test
		public void onCreateViewHolder_returnsSliceRowViewHolder() {
		constructTestLiveData(DATA_URI);
		addTestLiveData(DATA_URI);
		final PanelSlicesAdapter adapter =
		new PanelSlicesAdapter(mPanelFragment, mData, 0 /* metrics category */);
		final ViewGroup view = new FrameLayout(mContext);
		@@ -111,9 +108,27 @@ public class PanelSlicesAdapterTest {
		assertThat(viewHolder.sliceView).isNotNull();
		}

		@Test
		public void sizeOfAdapter_shouldNotExceedMaxNum() {
		for (int i = 0; i < MAX_NUM_OF_SLICES + 2; i++) {
		addTestLiveData(DATA_URI);
		}

		assertThat(mData.size()).isEqualTo(MAX_NUM_OF_SLICES + 2);

		final PanelSlicesAdapter adapter =
		new PanelSlicesAdapter(mPanelFragment, mData, 0 /* metrics category */);
		final ViewGroup view = new FrameLayout(mContext);
		final PanelSlicesAdapter.SliceRowViewHolder viewHolder =
		adapter.onCreateViewHolder(view, 0);

		assertThat(adapter.getItemCount()).isEqualTo(MAX_NUM_OF_SLICES);
		assertThat(adapter.getData().size()).isEqualTo(MAX_NUM_OF_SLICES);
		}

		@Test
		public void nonMediaOutputIndicatorSlice_shouldAllowDividerAboveAndBelow() {
		constructTestLiveData(DATA_URI);
		addTestLiveData(DATA_URI);
		final PanelSlicesAdapter adapter =
		new PanelSlicesAdapter(mPanelFragment, mData, 0 /* metrics category */);
		final int position = 0;
		@@ -129,7 +144,7 @@ public class PanelSlicesAdapterTest {

		@Test
		public void mediaOutputIndicatorSlice_shouldNotAllowDividerAbove() {
		constructTestLiveData(MEDIA_OUTPUT_INDICATOR_SLICE_URI);
		addTestLiveData(MEDIA_OUTPUT_INDICATOR_SLICE_URI);

		final PanelSlicesAdapter adapter =
		new PanelSlicesAdapter(mPanelFragment, mData, 0 /* metrics category */);