com.doctoror.fuckoffmusicplayer.presentation.widget.NoOffsetScrimInsetsFrameLayout.java Source code

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Here is the source code for com.doctoror.fuckoffmusicplayer.presentation.widget.NoOffsetScrimInsetsFrameLayout.java

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/*
 * Copyright (C) 2015 The Android Open Source Project
 * Copyright (C) 2016 Yaroslav Mytkalyk
 *
 * 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.doctoror.fuckoffmusicplayer.presentation.widget;

import android.content.Context;
import android.graphics.Rect;
import android.support.v4.view.ViewCompat;
import android.util.AttributeSet;
import android.widget.FrameLayout;

/**
 * Like {@link android.support.design.internal.ScrimInsetsFrameLayout}, but does not affect
 * fitsSystemWindows
 */
public class NoOffsetScrimInsetsFrameLayout extends FrameLayout {

    private Rect mInsets;

    public NoOffsetScrimInsetsFrameLayout(Context context) {
        this(context, null);
    }

    public NoOffsetScrimInsetsFrameLayout(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public NoOffsetScrimInsetsFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        setWillNotDraw(true); // No need to draw until the insets are adjusted

        ViewCompat.setOnApplyWindowInsetsListener(this, (v, insets) -> {
            if (null == mInsets) {
                mInsets = new Rect();
            }
            mInsets.set(insets.getSystemWindowInsetLeft(), insets.getSystemWindowInsetTop(),
                    insets.getSystemWindowInsetRight(), insets.getSystemWindowInsetBottom());
            setWillNotDraw(!insets.hasSystemWindowInsets());
            ViewCompat.postInvalidateOnAnimation(NoOffsetScrimInsetsFrameLayout.this);
            InsetsHolder.getInstance().onInsetsChanged(mInsets);
            return insets;
        });
    }
}