/*
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* Copyright (C) 2019 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.volume;
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import android.content.Context;
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import android.graphics.CornerPathEffect;
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import android.graphics.Paint;
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import android.graphics.drawable.ShapeDrawable;
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import android.util.AttributeSet;
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import android.util.TypedValue;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.LinearLayout;
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import androidx.core.content.ContextCompat;
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import com.android.systemui.R;
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import com.android.systemui.recents.TriangleShape;
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/**
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* Tool tip view that draws an arrow that points to the volume dialog.
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*/
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public class VolumeToolTipView extends LinearLayout {
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public VolumeToolTipView(Context context) {
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super(context);
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}
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public VolumeToolTipView(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public VolumeToolTipView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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}
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public VolumeToolTipView(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 onFinishInflate() {
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super.onFinishInflate();
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drawArrow();
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}
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private void drawArrow() {
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View arrowView = findViewById(R.id.arrow);
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ViewGroup.LayoutParams arrowLp = arrowView.getLayoutParams();
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ShapeDrawable arrowDrawable = new ShapeDrawable(TriangleShape.createHorizontal(
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arrowLp.width, arrowLp.height, false));
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Paint arrowPaint = arrowDrawable.getPaint();
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TypedValue typedValue = new TypedValue();
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getContext().getTheme().resolveAttribute(android.R.attr.colorAccent, typedValue, true);
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arrowPaint.setColor(ContextCompat.getColor(getContext(), typedValue.resourceId));
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// The corner path effect won't be reflected in the shadow, but shouldn't be noticeable.
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arrowPaint.setPathEffect(new CornerPathEffect(
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getResources().getDimension(R.dimen.volume_tool_tip_arrow_corner_radius)));
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arrowView.setBackground(arrowDrawable);
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}
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}
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