b0506ca83c
Added a RegionInterceptingFrameLayout that can add the regions of its children to the touchable region of the inernal insets, and added DisplayCutoutView as a RegionInterceptableView child. Test: taps inside the DisplayCutout view do nothing Change-Id: I86120b39084da2b686d9954b4b16ea94efbd0f95 Fixes: 74946584
91 lines
3.0 KiB
Java
91 lines
3.0 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.systemui;
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import android.content.Context;
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import android.graphics.Region;
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import android.graphics.Region.Op;
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import android.util.AttributeSet;
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import android.view.View;
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import android.view.ViewTreeObserver;
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import android.view.ViewTreeObserver.InternalInsetsInfo;
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import android.view.ViewTreeObserver.OnComputeInternalInsetsListener;
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import android.widget.FrameLayout;
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/**
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* Frame layout that will intercept the touches of children if they want to
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*/
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public class RegionInterceptingFrameLayout extends FrameLayout {
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public RegionInterceptingFrameLayout(Context context) {
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super(context);
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}
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public RegionInterceptingFrameLayout(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public RegionInterceptingFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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}
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public RegionInterceptingFrameLayout(Context context, AttributeSet attrs, int defStyleAttr,
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int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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}
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@Override
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protected void onAttachedToWindow() {
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super.onAttachedToWindow();
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getViewTreeObserver().addOnComputeInternalInsetsListener(mInsetsListener);
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}
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@Override
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protected void onDetachedFromWindow() {
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super.onDetachedFromWindow();
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getViewTreeObserver().removeOnComputeInternalInsetsListener(mInsetsListener);
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}
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private final OnComputeInternalInsetsListener mInsetsListener = internalInsetsInfo -> {
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internalInsetsInfo.setTouchableInsets(InternalInsetsInfo.TOUCHABLE_INSETS_REGION);
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internalInsetsInfo.touchableRegion.setEmpty();
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for (int i = 0; i < getChildCount(); i++) {
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View child = getChildAt(i);
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if (!(child instanceof RegionInterceptableView)) {
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continue;
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}
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RegionInterceptableView riv = (RegionInterceptableView) child;
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if (!riv.shouldInterceptTouch()) {
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continue;
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}
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Region unionRegion = riv.getInterceptRegion();
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if (unionRegion == null) {
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continue;
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}
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internalInsetsInfo.touchableRegion.op(riv.getInterceptRegion(), Op.UNION);
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}
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};
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public interface RegionInterceptableView {
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default public boolean shouldInterceptTouch() {
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return false;
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}
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public Region getInterceptRegion();
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}
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}
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