WrappedDrawableState.java
/*
* Copyright 2018 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.core.graphics.drawable;
import android.content.res.ColorStateList;
import android.content.res.Resources;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.os.Build;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
final class WrappedDrawableState extends Drawable.ConstantState {
int mChangingConfigurations;
Drawable.ConstantState mDrawableState;
ColorStateList mTint = null;
PorterDuff.Mode mTintMode = WrappedDrawableApi14.DEFAULT_TINT_MODE;
WrappedDrawableState(@Nullable WrappedDrawableState orig) {
if (orig != null) {
mChangingConfigurations = orig.mChangingConfigurations;
mDrawableState = orig.mDrawableState;
mTint = orig.mTint;
mTintMode = orig.mTintMode;
}
}
@NonNull
@Override
public Drawable newDrawable() {
return newDrawable(null);
}
@NonNull
@Override
public Drawable newDrawable(@Nullable Resources res) {
if (Build.VERSION.SDK_INT >= 21) {
return new WrappedDrawableApi21(this, res);
}
return new WrappedDrawableApi14(this, res);
}
@Override
public int getChangingConfigurations() {
return mChangingConfigurations
| (mDrawableState != null ? mDrawableState.getChangingConfigurations() : 0);
}
boolean canConstantState() {
return mDrawableState != null;
}
}