quickstep/src/com/android/quickstep/interaction/RootSandboxLayout.java

/*
 * Copyright (C) 2020 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.quickstep.interaction;

import android.content.Context;
import android.graphics.Insets;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.WindowInsets;
import android.widget.RelativeLayout;

import androidx.fragment.app.FragmentManager;

/** Root layout that TutorialFragment uses to intercept motion events. */
public class RootSandboxLayout extends RelativeLayout {
    public RootSandboxLayout(Context context) {
        super(context);
    }

    public RootSandboxLayout(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public RootSandboxLayout(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

    @Override
    public boolean onInterceptTouchEvent(MotionEvent motionEvent) {
        return ((TutorialFragment) FragmentManager.findFragment(this))
                .onInterceptTouch(motionEvent);
    }

    /**
     * Returns this view's fullscreen height. This method is agnostic of this view's actual height.
     */
    public int getFullscreenHeight() {
        Insets insets = getRootWindowInsets().getInsets(WindowInsets.Type.systemBars());

        return getHeight() + insets.top + insets.bottom;
    }
}