Add new USB details screen for Connected Devices 2.0

Also updated UsbBackend to use the new UsbFunctions
api.

Added new unit tests for UsbDetailsHeaderController
and UsbDetailsProfilesController.

Bug: 69333961
Test: make RunSettingsRoboTests
Change-Id: I133750190bb61dfe0e20b06f50e50ea13b347f1e

src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java

@@ -0,0 +1,131 @@
+/*
+ * 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.connecteddevice.usb;
+
+import android.content.Context;
+import android.hardware.usb.UsbManager;
+import android.os.Bundle;
+import android.provider.SearchIndexableResource;
+import android.support.annotation.VisibleForTesting;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settings.search.Indexable;
+import com.android.settingslib.core.AbstractPreferenceController;
+
+import com.google.android.collect.Lists;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Controls the USB device details and provides updates to individual controllers.
+ */
+public class UsbDetailsFragment extends DashboardFragment {
+    private static final String TAG = UsbDetailsFragment.class.getSimpleName();
+
+    private List<UsbDetailsController> mControllers;
+    private UsbBackend mUsbBackend;
+
+    @VisibleForTesting
+    UsbConnectionBroadcastReceiver mUsbReceiver;
+
+    private UsbConnectionBroadcastReceiver.UsbConnectionListener mUsbConnectionListener =
+            (connected, newMode) -> {
+                if (!connected) {
+                    this.finish();
+                } else {
+                    for (UsbDetailsController controller : mControllers) {
+                        controller.refresh(newMode);
+                    }
+                }
+            };
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.USB_DEVICE_DETAILS;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.usb_details_fragment;
+    }
+
+    @Override
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+        super.onCreatePreferences(savedInstanceState, rootKey);
+    }
+
+    @Override
+    protected List<AbstractPreferenceController> getPreferenceControllers(Context context) {
+        mUsbBackend = new UsbBackend(context);
+        mControllers = createControllerList(context, mUsbBackend, this);
+        mUsbReceiver = new UsbConnectionBroadcastReceiver(context, mUsbConnectionListener,
+                mUsbBackend);
+        this.getLifecycle().addObserver(mUsbReceiver);
+
+        List<AbstractPreferenceController> ret = new ArrayList<>();
+        ret.addAll(mControllers);
+        return ret;
+    }
+
+    private static List<UsbDetailsController> createControllerList(Context context,
+            UsbBackend usbBackend, DashboardFragment fragment) {
+        List<UsbDetailsController> ret = new ArrayList<>();
+        ret.add(new UsbDetailsHeaderController(context, fragment, usbBackend));
+        ret.add(new UsbDetailsProfilesController(context, fragment,
+                usbBackend, Lists.newArrayList(UsbManager.USB_FUNCTION_MTP), "usb_main_options"));
+        ret.add(new UsbDetailsProfilesController(context, fragment,
+                usbBackend, Lists.newArrayList(UsbDetailsProfilesController.KEY_POWER,
+                UsbManager.USB_FUNCTION_RNDIS, UsbManager.USB_FUNCTION_MIDI,
+                UsbManager.USB_FUNCTION_PTP), "usb_secondary_options"));
+        return ret;
+    }
+
+    /**
+     * For Search.
+     */
+    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider() {
+                @Override
+                public List<SearchIndexableResource> getXmlResourcesToIndex(
+                        Context context, boolean enabled) {
+                    return new ArrayList<>();
+                }
+
+                @Override
+                public List<String> getNonIndexableKeys(Context context) {
+                    return super.getNonIndexableKeys(context);
+                }
+
+                @Override
+                public List<AbstractPreferenceController> getPreferenceControllers(
+                        Context context) {
+                    List<AbstractPreferenceController> ret = new ArrayList<>();
+                    ret.addAll(createControllerList(context, new UsbBackend(context), null));
+                    return ret;
+                }
+            };
+}