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/*
* 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);
}
}
}
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