Use CustomSliceRegistry directly when possible.

This is one step closer to (un)make CustomSliceManager an singleton.

Bug: 123937830
Test: manual
Change-Id: I844d0fb798c73e2af1945ecb667ba73fac9edf72

src/com/android/settings/slices/CustomSliceManager.java

@@ -57,15 +57,4 @@ public class CustomSliceManager {
         mSliceableCache.put(newUri, sliceable);
         return sliceable;
     }
-
-
-    /**
-     * Return a {@link CustomSliceable} associated to the Action.
-     * <p>
-     * Do not change this method signature to accommodate for a special-case sliceable - a context
-     * is the only thing that should be needed to create the object.
-     */
-    public CustomSliceable getSliceableFromIntentAction(String action) {
-        return getSliceableFromUri(Uri.parse(action));
-    }
 }

src/com/android/settings/slices/CustomSliceable.java

@@ -19,7 +19,6 @@ package com.android.settings.slices;
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
-import android.content.IntentFilter;
 import android.net.Uri;
 
 import androidx.slice.Slice;
@@ -106,16 +105,17 @@ public interface CustomSliceable extends Sliceable {
     /**
      * Build an instance of a {@link CustomSliceable} which has a {@link Context}-only constructor.
      */
-    static CustomSliceable createInstance(Context context, Class<CustomSliceable> sliceableClass) {
+    static CustomSliceable createInstance(Context context,
+            Class<? extends CustomSliceable> sliceable) {
         try {
-            final Constructor<CustomSliceable> sliceable =
-                    sliceableClass.getConstructor(Context.class);
+            final Constructor<? extends CustomSliceable> constructor =
+                    sliceable.getConstructor(Context.class);
             final Object[] params = new Object[]{context};
-            return sliceable.newInstance(params);
+            return constructor.newInstance(params);
         } catch (NoSuchMethodException | InstantiationException |
                 IllegalArgumentException | InvocationTargetException | IllegalAccessException e) {
             throw new IllegalStateException(
-                    "Invalid sliceable class: " + sliceableClass, e);
+                    "Invalid sliceable class: " + sliceable, e);
         }
     }
 }

src/com/android/settings/slices/SliceBroadcastReceiver.java

@@ -61,11 +61,10 @@ public class SliceBroadcastReceiver extends BroadcastReceiver {
         final boolean isPlatformSlice = intent.getBooleanExtra(EXTRA_SLICE_PLATFORM_DEFINED,
                 false /* default */);
 
-        final CustomSliceManager mCustomSliceManager = FeatureFactory.getFactory(
-                context).getSlicesFeatureProvider().getCustomSliceManager(context);
         if (CustomSliceRegistry.isValidAction(action)) {
             final CustomSliceable sliceable =
-                    mCustomSliceManager.getSliceableFromIntentAction(action);
+                    CustomSliceable.createInstance(context,
+                            CustomSliceRegistry.getSliceClassByUri(Uri.parse(action)));
             sliceable.onNotifyChange(intent);
             return;
         }

src/com/android/settings/slices/SliceDeepLinkSpringBoard.java

@@ -23,7 +23,6 @@ import android.util.Log;
 
 import com.android.settings.bluetooth.BluetoothSliceBuilder;
 import com.android.settings.notification.ZenModeSliceBuilder;
-import com.android.settings.overlay.FeatureFactory;
 
 public class SliceDeepLinkSpringBoard extends Activity {
 
@@ -45,11 +44,10 @@ public class SliceDeepLinkSpringBoard extends Activity {
             Intent launchIntent;
 
             // TODO (b/80263568) Avoid duplicating this list of Slice Uris.
-            final CustomSliceManager customSliceManager = FeatureFactory.getFactory(this)
-                    .getSlicesFeatureProvider().getCustomSliceManager(this);
             if (CustomSliceRegistry.isValidUri(sliceUri)) {
                 final CustomSliceable sliceable =
-                        customSliceManager.getSliceableFromUri(sliceUri);
+                        CustomSliceable.createInstance(getApplicationContext(),
+                                CustomSliceRegistry.getSliceClassByUri(sliceUri));
                 launchIntent = sliceable.getIntent();
             } else if (CustomSliceRegistry.ZEN_MODE_SLICE_URI.equals(sliceUri)) {
                 launchIntent = ZenModeSliceBuilder.getIntent(this /* context */);