Add Volume panel

Volume panel hosts each volume stream, including:
- Media volume
- Call Volume
- Ring volume
- Alarm volume

Change-Id: I1801d10d2304c57615e9499386c638c74ffcd7c3
Screenshot: https://screenshot.googleplex.com/m764j65ECto
Bug: 117804161
Test: Manual app
Test: robolectric

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

@@ -61,7 +61,6 @@ public class PanelFragmentTest {
         mFakePanelContent = new FakePanelContent();
         doReturn(mFakePanelContent).when(mPanelFeatureProvider).getPanel(any(), any());
 
-
         ActivityController<FakeSettingsPanelActivity> activityController =
                 Robolectric.buildActivity(FakeSettingsPanelActivity.class);
         activityController.setup();

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

@@ -54,7 +54,13 @@ public class PanelSlicesAdapterTest {
     public void setUp() {
         mContext = RuntimeEnvironment.application;
 
-        final ActivityController<FakeSettingsPanelActivity> activityController =
+        mPanelFeatureProvider = spy(new PanelFeatureProviderImpl());
+        mFakeFeatureFactory = FakeFeatureFactory.setupForTest();
+        mFakeFeatureFactory.panelFeatureProvider = mPanelFeatureProvider;
+        mFakePanelContent = new FakePanelContent();
+        doReturn(mFakePanelContent).when(mPanelFeatureProvider).getPanel(any(), any());
+
+        ActivityController<FakeSettingsPanelActivity> activityController =
                 Robolectric.buildActivity(FakeSettingsPanelActivity.class);
         activityController.setup();
 
@@ -65,12 +71,6 @@ public class PanelSlicesAdapterTest {
                                 .getSupportFragmentManager()
                                 .findFragmentById(R.id.main_content));
 
-        mPanelFeatureProvider = spy(new PanelFeatureProviderImpl());
-        mFakeFeatureFactory = FakeFeatureFactory.setupForTest();
-        mFakeFeatureFactory.panelFeatureProvider = mPanelFeatureProvider;
-        mFakePanelContent = new FakePanelContent();
-        doReturn(mFakePanelContent).when(mPanelFeatureProvider).getPanel(any(), any());
-
         mAdapter = new PanelSlicesAdapter(mPanelFragment, mFakePanelContent.getSlices());
     }
 

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

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2018 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.settings.panel;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.net.Uri;
+
+import com.android.settings.slices.CustomSliceRegistry;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+
+import java.util.List;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class VolumePanelTest {
+
+    private VolumePanel mPanel;
+
+    @Before
+    public void setUp() {
+        mPanel = VolumePanel.create(RuntimeEnvironment.application);
+    }
+
+    @Test
+    public void getSlices_containsNecessarySlices() {
+        final List<Uri> uris = mPanel.getSlices();
+
+        assertThat(uris).containsExactly(
+                CustomSliceRegistry.VOLUME_CALL_URI,
+                CustomSliceRegistry.VOLUME_MEDIA_URI,
+                CustomSliceRegistry.VOLUME_RINGER_URI,
+                CustomSliceRegistry.VOLUME_ALARM_URI);
+    }
+
+    @Test
+    public void getSeeMoreIntent_notNull() {
+        assertThat(mPanel.getSeeMoreIntent()).isNotNull();
+    }
+}

tests/robotests/src/com/android/settings/slices/SliceBuilderUtilsTest.java

@@ -217,6 +217,19 @@ public class SliceBuilderUtilsTest {
         assertThat(summary).isEqualTo(controllerSummary);
     }
 
+    @Test
+    public void getDynamicSummary_allowDynamicSummary_nullSummary_returnsNull() {
+        final SliceData data = getDummyData(true /*isDynamicSummaryAllowed*/);
+        final FakePreferenceController controller = spy(
+                new FakePreferenceController(mContext, KEY));
+        final String controllerSummary = null;
+        doReturn(controllerSummary).when(controller).getSummary();
+
+        final CharSequence summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
+
+        assertThat(summary).isNull();
+    }
+
     @Test
     public void getDynamicSummary_returnsScreenTitle() {
         final SliceData data = getDummyData();