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| -rw-r--r-- | libs/WindowManager/Shell/shared/src/com/android/wm/shell/shared/TypefaceUtils.kt | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/libs/WindowManager/Shell/shared/src/com/android/wm/shell/shared/TypefaceUtils.kt b/libs/WindowManager/Shell/shared/src/com/android/wm/shell/shared/TypefaceUtils.kt new file mode 100644 index 000000000000..9bf56b075112 --- /dev/null +++ b/libs/WindowManager/Shell/shared/src/com/android/wm/shell/shared/TypefaceUtils.kt @@ -0,0 +1,86 @@ +/* + * Copyright (C) 2025 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.wm.shell.shared + +import android.graphics.Typeface +import android.widget.TextView +import com.android.wm.shell.Flags + +/** + * Utility class to apply a specified typeface to a [TextView]. + * + * This class provides a method, [setTypeface], + * to easily set a pre-defined font family and style to a given [TextView]. + */ +class TypefaceUtils { + + enum class FontFamily(val value: String) { + GSF_DISPLAY_LARGE("variable-display-large"), + GSF_DISPLAY_MEDIUM("variable-display-medium"), + GSF_DISPLAY_SMALL("variable-display-small"), + GSF_HEADLINE_LARGE("variable-headline-large"), + GSF_HEADLINE_MEDIUM("variable-headline-medium"), + GSF_HEADLINE_SMALL("variable-headline-small"), + GSF_TITLE_LARGE("variable-title-large"), + GSF_TITLE_MEDIUM("variable-title-medium"), + GSF_TITLE_SMALL("variable-title-small"), + GSF_LABEL_LARGE("variable-label-large"), + GSF_LABEL_MEDIUM("variable-label-medium"), + GSF_LABEL_SMALL("variable-label-small"), + GSF_BODY_LARGE("variable-body-large"), + GSF_BODY_MEDIUM("variable-body-medium"), + GSF_BODY_SMALL("variable-body-small"), + GSF_DISPLAY_LARGE_EMPHASIZED("variable-display-large-emphasized"), + GSF_DISPLAY_MEDIUM_EMPHASIZED("variable-display-medium-emphasized"), + GSF_DISPLAY_SMALL_EMPHASIZED("variable-display-small-emphasized"), + GSF_HEADLINE_LARGE_EMPHASIZED("variable-headline-large-emphasized"), + GSF_HEADLINE_MEDIUM_EMPHASIZED("variable-headline-medium-emphasized"), + GSF_HEADLINE_SMALL_EMPHASIZED("variable-headline-small-emphasized"), + GSF_TITLE_LARGE_EMPHASIZED("variable-title-large-emphasized"), + GSF_TITLE_MEDIUM_EMPHASIZED("variable-title-medium-emphasized"), + GSF_TITLE_SMALL_EMPHASIZED("variable-title-small-emphasized"), + GSF_LABEL_LARGE_EMPHASIZED("variable-label-large-emphasized"), + GSF_LABEL_MEDIUM_EMPHASIZED("variable-label-medium-emphasized"), + GSF_LABEL_SMALL_EMPHASIZED("variable-label-small-emphasized"), + GSF_BODY_LARGE_EMPHASIZED("variable-body-large-emphasized"), + GSF_BODY_MEDIUM_EMPHASIZED("variable-body-medium-emphasized"), + GSF_BODY_SMALL_EMPHASIZED("variable-body-small-emphasized"), + } + + companion object { + /** + * Sets the typeface of the provided [textView] to the specified [fontFamily] and [fontStyle]. + * + * The typeface is only applied to the [TextView] when [Flags.enableGsf] is `true`. + * If [Flags.enableGsf] is `false`, this method has no effect. + * + * @param textView The [TextView] to which the typeface should be applied. If `null`, this method does nothing. + * @param fontFamily The desired [FontFamily] for the [TextView]. + * @param fontStyle The desired font style (e.g., [Typeface.NORMAL], [Typeface.BOLD], [Typeface.ITALIC]). Defaults to [Typeface.NORMAL]. + */ + @JvmStatic + @JvmOverloads + fun setTypeface( + textView: TextView?, + fontFamily: FontFamily, + fontStyle: Int = Typeface.NORMAL, + ) { + if (!Flags.enableGsf()) return + textView?.typeface = Typeface.create(fontFamily.name, fontStyle) + } + } +} |