Add first pass at a new Storage screen.

This patch begins setting up the structure for the screen.
The functionality for populating the data in the preferences
is coming in a later patch.

Bug: 33199077
Test: Settings Robo Tests
Change-Id: I9ebad9d3896501e31ac715704ca986eceb36877d

src/com/android/settings/deviceinfo/StorageDashboardFragment.java

@@ -17,15 +17,24 @@
 package com.android.settings.deviceinfo;
 
 import android.content.Context;
+import android.os.Bundle;
+import android.os.storage.StorageManager;
+import android.os.storage.VolumeInfo;
 import android.provider.SearchIndexableResource;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.deviceinfo.storage.StorageItemPreferenceController;
+import com.android.settings.deviceinfo.storage.StorageSummaryDonutPreferenceController;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
+import com.android.settings.widget.FooterPreference;
 import com.android.settingslib.drawer.CategoryKey;
 
 import java.util.ArrayList;
@@ -33,9 +42,53 @@ import java.util.Arrays;
 import java.util.List;
 
 public class StorageDashboardFragment extends DashboardFragment {
-
     private static final String TAG = "StorageDashboardFrag";
 
+    private VolumeInfo mVolume;
+    private long mTotalSize;
+
+    private StorageSummaryDonutPreferenceController mSummaryController;
+
+    private boolean isVolumeValid() {
+        return (mVolume != null) && (mVolume.getType() == VolumeInfo.TYPE_PRIVATE)
+                && mVolume.isMountedReadable();
+    }
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        final Context context = getActivity();
+
+        // Initialize the storage sizes that we can quickly calc.
+        StorageManager sm = context.getSystemService(StorageManager.class);
+        mVolume = sm.findVolumeById(VolumeInfo.ID_PRIVATE_INTERNAL);
+        if (!isVolumeValid()) {
+            getActivity().finish();
+            return;
+        }
+
+        final long sharedDataSize = mVolume.getPath().getTotalSpace();
+        mTotalSize = sm.getPrimaryStorageSize();
+        long systemSize = mTotalSize - sharedDataSize;
+
+        if (mTotalSize <= 0) {
+            mTotalSize = sharedDataSize;
+            systemSize = 0;
+        }
+
+        final long usedBytes = mTotalSize - mVolume.getPath().getFreeSpace();
+        mSummaryController.updateBytes(usedBytes, mTotalSize);
+
+        // Initialize the footer preference to go to the smart storage management.
+        final FooterPreference pref = mFooterPreferenceMixin.createFooterPreference();
+        pref.setTitle(R.string.storage_menu_manage);
+        pref.setFragment("com.android.settings.deletionhelper.AutomaticStorageManagerSettings");
+        pref.setIcon(R.drawable.ic_settings_storage);
+        pref.setEnabled(true);
+
+
+    }
+
     @Override
     public int getMetricsCategory() {
         return MetricsProto.MetricsEvent.SETTINGS_STORAGE_CATEGORY;
@@ -59,10 +112,25 @@ public class StorageDashboardFragment extends DashboardFragment {
     @Override
     protected List<PreferenceController> getPreferenceControllers(Context context) {
         final List<PreferenceController> controllers = new ArrayList<>();
+        mSummaryController = new StorageSummaryDonutPreferenceController(context);
+        controllers.add(mSummaryController);
         controllers.add(new ManageStoragePreferenceController(context));
+        controllers.add(new StorageItemPreferenceController(context, "pref_photos_videos"));
+        controllers.add(new StorageItemPreferenceController(context, "pref_music_audio"));
+        controllers.add(new StorageItemPreferenceController(context, "pref_games"));
+        controllers.add(new StorageItemPreferenceController(context, "pref_other_apps"));
+        controllers.add(new StorageItemPreferenceController(context, "pref_system"));
+        controllers.add(new StorageItemPreferenceController(context, "pref_files"));
         return controllers;
     }
 
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+        View root = super.onCreateView(inflater, container, savedInstanceState);
+        // TODO: Add loader to load the storage sizes for the StorageItemPreferenceControllers.
+        return root;
+    }
     /**
      * For Search.
      */