Adds DismissCircleView, a shared dismiss target for Bubbles/PIP.

<?xml version="1.0" encoding="utf-8"?>

<!--

  ~ 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.

  -->

<shape

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:shape="oval">

    <stroke

        android:width="1dp"

        android:color="#66FFFFFF" />

    <solid android:color="#B3000000" />

</shape>

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<?xml version="1.0" encoding="utf-8"?>

<!--

  ~ 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.

  -->

<!-- 'X' icon. -->

<vector xmlns:android="http://schemas.android.com/apk/res/android"

        android:width="24.0dp"

        android:height="24.0dp"

        android:viewportWidth="24.0"

        android:viewportHeight="24.0">

    <path

        android:pathData="M19.000000,6.400000l-1.400000,-1.400000 -5.600000,5.600000 -5.600000,-5.600000 -1.400000,1.400000 5.600000,5.600000 -5.600000,5.600000 1.400000,1.400000 5.600000,-5.600000 5.600000,5.600000 1.400000,-1.400000 -5.600000,-5.600000z"

        android:fillColor="#FFFFFFFF"

        android:strokeColor="#FF000000"/>

</vector>

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    <dimen name="bubble_dismiss_target_padding_x">40dp</dimen>

    <dimen name="bubble_dismiss_target_padding_y">20dp</dimen>

    <dimen name="dismiss_circle_size">52dp</dimen>

    <dimen name="dismiss_target_x_size">24dp</dimen>

    <!-- Bubbles user education views -->

    <dimen name="bubbles_manage_education_width">160dp</dimen>

    <!-- The inset from the top bound of the manage button to place the user education. -->

/*

 * 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.systemui.util;

import android.content.Context;

import android.content.res.Configuration;

import android.content.res.Resources;

import android.view.Gravity;

import android.view.ViewGroup;

import android.widget.FrameLayout;

import android.widget.ImageView;

import com.android.systemui.R;

/**

 * Circular view with a semitransparent, circular background with an 'X' inside it.

 *

 * This is used by both Bubbles and PIP as the dismiss target.

 */

public class DismissCircleView extends FrameLayout {

    private final ImageView mIconView = new ImageView(getContext());

    public DismissCircleView(Context context) {

        super(context);

        final Resources res = getResources();

        setBackground(res.getDrawable(R.drawable.dismiss_circle_background));

        mIconView.setImageDrawable(res.getDrawable(R.drawable.dismiss_target_x));

        addView(mIconView);

        setViewSizes();

    }

    @Override

    protected void onConfigurationChanged(Configuration newConfig) {

        super.onConfigurationChanged(newConfig);

        setViewSizes();

    }

    /** Retrieves the current dimensions for the icon and circle and applies them. */

    private void setViewSizes() {

        final Resources res = getResources();

        int iconSize = res.getDimensionPixelSize(R.dimen.dismiss_target_x_size);

        int targetSize = res.getDimensionPixelSize(R.dimen.dismiss_circle_size);

        setLayoutParams(new ViewGroup.LayoutParams(targetSize, targetSize));

        mIconView.setLayoutParams(

                new FrameLayout.LayoutParams(iconSize, iconSize, Gravity.CENTER));

    }

}