| /* |
| * Copyright (C) 2015 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.setupwizardlib.util; |
| |
| import android.annotation.SuppressLint; |
| import android.content.Context; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.InsetDrawable; |
| import android.os.Build; |
| import android.view.View; |
| |
| /** Provides convenience methods to handle drawable layout directions in different SDK versions. */ |
| public class DrawableLayoutDirectionHelper { |
| |
| /** |
| * Creates an {@link android.graphics.drawable.InsetDrawable} according to the layout direction of |
| * {@code view}. |
| */ |
| @SuppressLint("InlinedApi") // Use of View.LAYOUT_DIRECTION_RTL is guarded by version check |
| public static InsetDrawable createRelativeInsetDrawable( |
| Drawable drawable, int insetStart, int insetTop, int insetEnd, int insetBottom, View view) { |
| boolean isRtl = |
| Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 |
| && view.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL; |
| return createRelativeInsetDrawable( |
| drawable, insetStart, insetTop, insetEnd, insetBottom, isRtl); |
| } |
| |
| /** |
| * Creates an {@link android.graphics.drawable.InsetDrawable} according to the layout direction of |
| * {@code context}. |
| */ |
| @SuppressLint("InlinedApi") // Use of View.LAYOUT_DIRECTION_RTL is guarded by version check |
| public static InsetDrawable createRelativeInsetDrawable( |
| Drawable drawable, |
| int insetStart, |
| int insetTop, |
| int insetEnd, |
| int insetBottom, |
| Context context) { |
| boolean isRtl = false; |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| final int layoutDirection = context.getResources().getConfiguration().getLayoutDirection(); |
| isRtl = layoutDirection == View.LAYOUT_DIRECTION_RTL; |
| } |
| return createRelativeInsetDrawable( |
| drawable, insetStart, insetTop, insetEnd, insetBottom, isRtl); |
| } |
| |
| /** |
| * Creates an {@link android.graphics.drawable.InsetDrawable} according to {@code |
| * layoutDirection}. |
| */ |
| @SuppressLint("InlinedApi") // Given layoutDirection will not be View.LAYOUT_DIRECTION_RTL if |
| // SDK version doesn't support it. |
| public static InsetDrawable createRelativeInsetDrawable( |
| Drawable drawable, |
| int insetStart, |
| int insetTop, |
| int insetEnd, |
| int insetBottom, |
| int layoutDirection) { |
| return createRelativeInsetDrawable( |
| drawable, |
| insetStart, |
| insetTop, |
| insetEnd, |
| insetBottom, |
| layoutDirection == View.LAYOUT_DIRECTION_RTL); |
| } |
| |
| private static InsetDrawable createRelativeInsetDrawable( |
| Drawable drawable, |
| int insetStart, |
| int insetTop, |
| int insetEnd, |
| int insetBottom, |
| boolean isRtl) { |
| if (isRtl) { |
| return new InsetDrawable(drawable, insetEnd, insetTop, insetStart, insetBottom); |
| } else { |
| return new InsetDrawable(drawable, insetStart, insetTop, insetEnd, insetBottom); |
| } |
| } |
| } |