| /* |
| * Copyright 2023 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 androidx.wear.protolayout.renderer; |
| |
| import android.content.res.Resources.Theme; |
| import android.graphics.Typeface; |
| |
| import androidx.annotation.AttrRes; |
| import androidx.annotation.NonNull; |
| import androidx.annotation.RestrictTo; |
| import androidx.annotation.RestrictTo.Scope; |
| |
| /** Theme customization for ProtoLayout texts, which includes Font types and variants. */ |
| @RestrictTo(Scope.LIBRARY) |
| public interface ProtoLayoutTheme { |
| |
| /** Holder for different weights of the same font variant. */ |
| interface FontSet { |
| |
| @NonNull |
| Typeface getNormalFont(); |
| |
| @NonNull |
| Typeface getMediumFont(); |
| |
| @NonNull |
| Typeface getBoldFont(); |
| } |
| |
| /** |
| * Gets the FontSet for a given font variant. |
| * |
| * @param fontVariant the numeric value of the proto enum {@link |
| * androidx.wear.protolayout.proto.LayoutElementProto.FontVariant}. |
| */ |
| @NonNull |
| FontSet getFontSet(int fontVariant); |
| |
| /** Gets an Android Theme object styled with TextAppearance attributes. */ |
| @NonNull |
| Theme getTheme(); |
| |
| /** |
| * Gets an Attribute resource Id for a fallback TextAppearance. The resource with this id should |
| * be present in the Android Theme returned by {@link ProtoLayoutTheme#getTheme()}. |
| */ |
| @AttrRes |
| int getFallbackTextAppearanceResId(); |
| } |
