mirror of https://github.com/YTVanced/VancedMicroG
276 lines
14 KiB
Kotlin
276 lines
14 KiB
Kotlin
/*
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* SPDX-FileCopyrightText: 2020, microG Project Team
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* SPDX-License-Identifier: Apache-2.0
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*/
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package org.microg.gms.nearby.core.ui
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import android.annotation.SuppressLint
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import android.annotation.TargetApi
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import android.content.Context
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import android.graphics.*
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import android.os.Build
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import android.text.format.DateFormat
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import android.util.AttributeSet
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import android.view.MotionEvent
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import android.view.View
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import org.microg.gms.nearby.exposurenotification.ExposureScanSummary
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import org.microg.gms.ui.resolveColor
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import java.util.*
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import kotlin.math.max
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import kotlin.math.min
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class DotChartView : View {
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@TargetApi(21)
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constructor(context: Context?, attrs: AttributeSet?, defStyleAttr: Int, defStyleRes: Int) : super(context, attrs, defStyleAttr, defStyleRes)
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constructor(context: Context?, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr)
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constructor(context: Context?, attrs: AttributeSet?) : super(context, attrs)
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constructor(context: Context?) : super(context)
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var data: Set<ExposureScanSummary>? = null
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@SuppressLint("SimpleDateFormat")
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set(value) {
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field = value
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val displayData = hashMapOf<Int, Pair<String, MutableMap<Int, Int>>>()
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val now = System.currentTimeMillis()
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val min = now - 14 * 24 * 60 * 60 * 1000L
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val date = Date(min)
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val dateFormat = DateFormat.getMediumDateFormat(context)
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val lowest = dateFormat.parse(dateFormat.format(date))?.time ?: date.time
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for (day in 0 until 15) {
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date.time = now - (14 - day) * 24 * 60 * 60 * 1000L
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displayData[day] = dateFormat.format(date) to hashMapOf()
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}
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if (value != null) {
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for (summary in value) {
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val off = summary.time - lowest
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if (off < 0) continue
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val totalHours = (off / 1000 / 60 / 60).toInt()
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val day = totalHours / 24
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val hour = totalHours % 24
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displayData[day]?.second?.set(hour, (displayData[day]?.second?.get(hour) ?: 0) + summary.rpis)
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}
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}
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for (hour in 0..((min - lowest) / 1000 / 60 / 60).toInt()) {
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displayData[0]?.second?.set(hour, displayData[0]?.second?.get(hour) ?: -1)
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}
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for (hour in ((min - lowest) / 1000 / 60 / 60).toInt() until 24) {
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displayData[14]?.second?.set(hour, displayData[14]?.second?.get(hour) ?: -1)
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}
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this.displayData = displayData
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this.displayDataList = displayData.values.map { it.second.values }.flatten().sorted()
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invalidate()
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}
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private var displayData: Map<Int, Pair<String, Map<Int, Int>>> = emptyMap()
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private var displayDataList: List<Int> = emptyList()
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private val drawPaint = Paint()
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private val drawTempRect = RectF()
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private val fontPaint = Paint()
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private val fontTempRect = Rect()
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fun Canvas.drawMyRect(x: Float, y: Float, width: Float, height: Float, color: Int) {
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drawTempRect.set(x + drawPaint.strokeWidth, y + drawPaint.strokeWidth, x + width - drawPaint.strokeWidth, y + height - drawPaint.strokeWidth)
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if (Color.alpha(color) >= 80) {
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drawPaint.style = Paint.Style.FILL_AND_STROKE
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drawPaint.color = color
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drawRoundRect(drawTempRect, 2f, 2f, drawPaint)
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drawPaint.style = Paint.Style.FILL
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} else {
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drawPaint.color = color or (80 shl 24) and (80 shl 24 or 0xffffff)
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drawPaint.style = Paint.Style.STROKE
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drawRoundRect(drawTempRect, 2f, 2f, drawPaint)
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drawPaint.style = Paint.Style.FILL
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drawPaint.color = color
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drawRoundRect(drawTempRect, 2f, 2f, drawPaint)
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}
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}
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private fun <T> List<T>.relativePosition(element: T): Double? = indexOf(element).takeIf { it >= 0 }?.toDouble()?.let { it / size.toDouble() }
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private var focusPoint: PointF? = null
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override fun onDraw(canvas: Canvas) {
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if (data == null) data = emptySet()
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val d = resources.displayMetrics.scaledDensity
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fontPaint.textSize = 10 * d
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fontPaint.isAntiAlias = true
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drawPaint.isAntiAlias = true
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drawPaint.strokeWidth = 2f
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val innerPadding = 2 * d
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var maxTextWidth = 0
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var maxTextHeight = 0
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for (dateString in displayData.values.map { it.first }) {
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fontPaint.getTextBounds(dateString, 0, dateString.length, fontTempRect)
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maxTextWidth = max(maxTextWidth, fontTempRect.width())
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maxTextHeight = max(maxTextHeight, fontTempRect.height())
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}
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val legendLeft = maxTextWidth + 4 * d
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val legendBottom = maxTextHeight + 4 * d
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val subHeight = maxTextHeight + 4 * d + paddingBottom
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val distHeight = (height - innerPadding * 14 - paddingTop - paddingBottom - legendBottom - subHeight).toDouble()
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val distWidth = (width - innerPadding * 23 - paddingLeft - paddingRight - legendLeft).toDouble()
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val perHeight = distHeight / 15.0
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val perWidth = distWidth / 24.0
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val maxValue = displayDataList.last()
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val accentColor = context.resolveColor(androidx.appcompat.R.attr.colorAccent) ?: 0
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val fontColor = context.resolveColor(android.R.attr.textColorSecondary) ?: 0
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val grayBoxColor = fontColor or (255 shl 24) and (80 shl 24 or 0xffffff)
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fontPaint.textAlign = Paint.Align.RIGHT
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fontPaint.color = fontColor
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var focusDay = -1
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var focusHour = -1
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for (day in 0 until 15) {
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val (dateString, hours) = displayData[day] ?: "" to emptyMap()
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val top = day * (perHeight + innerPadding) + paddingTop
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if (day % 2 == 0) {
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canvas.drawText(dateString, (paddingLeft + legendLeft - 4 * d), (top + perHeight / 2.0 + maxTextHeight / 2.0).toFloat(), fontPaint)
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}
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focusPoint?.let { if (it.y > top && it.y < top + perHeight) focusDay = day }
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for (hour in 0 until 24) {
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val value = hours[hour]
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val left = hour * (perWidth + innerPadding) + paddingLeft + legendLeft
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when {
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value == null -> {
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canvas.drawMyRect(left.toFloat(), top.toFloat(), perWidth.toFloat(), perHeight.toFloat(), grayBoxColor)
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}
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maxValue == 0 -> {
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canvas.drawMyRect(left.toFloat(), top.toFloat(), perWidth.toFloat(), perHeight.toFloat(), accentColor and 0xffffff)
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}
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value >= 0 -> {
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val byBucket = ((displayDataList.relativePosition(value) ?: 0.0) * 180.0).toInt()
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val byMax = (value.toDouble() / maxValue.toDouble() * 80.0).toInt()
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val alpha = max(0, min(byBucket + byMax, 255))
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canvas.drawMyRect(left.toFloat(), top.toFloat(), perWidth.toFloat(), perHeight.toFloat(), accentColor and (alpha shl 24 or 0xffffff))
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}
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}
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if (focusDay == day && (value == null || value >= 0)) focusPoint?.let {
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if (it.x > left && it.x < left + perWidth) {
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focusHour = hour
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canvas.drawMyRect(left.toFloat(), top.toFloat(), perWidth.toFloat(), perHeight.toFloat(), accentColor and 0xffffff)
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}
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}
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}
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}
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val legendTop = 15 * (perHeight + innerPadding) + paddingTop + maxTextHeight + 4 * d
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fontPaint.textAlign = Paint.Align.CENTER
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for (hour in 0 until 24) {
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if (hour % 3 == 0) {
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val left = hour * (perWidth + innerPadding) + paddingLeft + legendLeft + perWidth / 2.0
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canvas.drawText("${hour}:00", left.toFloat(), legendTop.toFloat(), fontPaint)
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}
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}
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val subTop = legendTop + paddingBottom
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val subLeft = paddingLeft + legendLeft
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canvas.drawMyRect(subLeft, subTop.toFloat(), perWidth.toFloat(), perHeight.toFloat(), grayBoxColor)
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val strNoRecords = context.getString(R.string.pref_exposure_rpis_histogram_legend_no_records)
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fontPaint.textAlign = Paint.Align.LEFT
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fontPaint.getTextBounds(strNoRecords, 0, strNoRecords.length, fontTempRect)
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canvas.drawText(strNoRecords, (subLeft + perWidth + 4 * d).toFloat(), (subTop + perHeight / 2.0 + fontTempRect.height() / 2.0).toFloat(), fontPaint)
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if (maxValue >= 0) {
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canvas.drawMyRect((subLeft + (perWidth + innerPadding) * 1 + 12 * d + fontTempRect.width()).toFloat(), subTop.toFloat(), perWidth.toFloat(), perHeight.toFloat(), accentColor and 0xffffff)
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canvas.drawMyRect((subLeft + (perWidth + innerPadding) * 2 + 12 * d + fontTempRect.width()).toFloat(), subTop.toFloat(), perWidth.toFloat(), perHeight.toFloat(), accentColor and (80 shl 24 or 0xffffff))
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canvas.drawMyRect((subLeft + (perWidth + innerPadding) * 3 + 12 * d + fontTempRect.width()).toFloat(), subTop.toFloat(), perWidth.toFloat(), perHeight.toFloat(), accentColor and (170 shl 24 or 0xffffff))
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canvas.drawMyRect((subLeft + (perWidth + innerPadding) * 4 + 12 * d + fontTempRect.width()).toFloat(), subTop.toFloat(), perWidth.toFloat(), perHeight.toFloat(), accentColor)
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val strRecords = context.getString(R.string.pref_exposure_rpis_histogram_legend_records, "0 - $maxValue")
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canvas.drawText(strRecords, (subLeft + (perWidth + innerPadding) * 4 + 16 * d + fontTempRect.width() + perWidth).toFloat(), (subTop + perHeight / 2.0 + fontTempRect.height() / 2.0).toFloat(), fontPaint)
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}
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if (focusHour != -1 && Build.VERSION.SDK_INT >= 23) {
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val floatingColor = context.resolveColor(androidx.appcompat.R.attr.colorBackgroundFloating) ?: 0
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val line1 = "${displayData[focusDay]?.first}, $focusHour:00"
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val line2 = displayData[focusDay]?.second?.get(focusHour)?.let { context.getString(R.string.pref_exposure_rpis_histogram_legend_records, it.toString()) }
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?: strNoRecords
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fontPaint.textSize = 14 * d
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fontPaint.isFakeBoldText = true
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fontPaint.getTextBounds(line1, 0, line1.length, fontTempRect)
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var fontWidth = fontTempRect.width()
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val line1Height = fontTempRect.height() + innerPadding
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fontPaint.isFakeBoldText = false
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fontPaint.getTextBounds(line2, 0, line2.length, fontTempRect)
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fontWidth = max(fontWidth, fontTempRect.width())
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val totalHeight = line1Height + innerPadding + fontTempRect.height()
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drawPaint.color = floatingColor
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drawPaint.style = Paint.Style.FILL_AND_STROKE
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val refTop = focusDay * (perHeight + innerPadding) + paddingTop + perHeight / 2
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val refLeft = focusHour * (perWidth + innerPadding) + paddingLeft + legendLeft
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if (refLeft - fontWidth < 50 * d) {
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// To the right
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drawTempRect.set((refLeft + perWidth + innerPadding).toFloat(), (refTop - innerPadding - 5 * d - totalHeight / 2f).toFloat(), (refLeft + perWidth + innerPadding + 10 * d + fontWidth).toFloat(), (refTop + innerPadding + 5 * d + totalHeight / 2f).toFloat())
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} else {
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// To the left
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drawTempRect.set((refLeft - innerPadding - 10 * d - fontWidth).toFloat(), (refTop - innerPadding - 5 * d - totalHeight / 2f).toFloat(), (refLeft - innerPadding).toFloat(), (refTop + innerPadding + 5 * d + totalHeight / 2f).toFloat())
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}
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canvas.drawRoundRect(drawTempRect, drawPaint.strokeWidth, drawPaint.strokeWidth, drawPaint)
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val path = Path()
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if (refLeft - fontWidth < 50 * d) {
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// To the right
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val off = refLeft + perWidth + innerPadding + drawPaint.strokeWidth
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val corr = (perWidth / 2 - innerPadding + drawPaint.strokeWidth)
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path.moveTo(off.toFloat(), (refTop - corr).toFloat())
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path.lineTo((refLeft + perWidth / 2).toFloat(), refTop.toFloat())
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path.lineTo(off.toFloat(), (refTop + corr).toFloat())
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} else {
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// To the left
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val off = refLeft - innerPadding - drawPaint.strokeWidth
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val corr = (perWidth / 2 - innerPadding + drawPaint.strokeWidth)
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path.moveTo(off.toFloat(), (refTop - corr).toFloat())
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path.lineTo((refLeft + perWidth / 2).toFloat(), refTop.toFloat())
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path.lineTo(off.toFloat(), (refTop + corr).toFloat())
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}
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drawPaint.style = Paint.Style.STROKE
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drawPaint.color = accentColor and (130 shl 24 or 0xffffff)
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canvas.drawRoundRect(drawTempRect, drawPaint.strokeWidth, drawPaint.strokeWidth, drawPaint)
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drawPaint.color = floatingColor
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drawPaint.style = Paint.Style.FILL_AND_STROKE
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path.fillType = Path.FillType.EVEN_ODD
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canvas.drawPath(path, drawPaint)
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drawPaint.style = Paint.Style.STROKE
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drawPaint.color = accentColor and (130 shl 24 or 0xffffff)
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path.fillType = Path.FillType.EVEN_ODD
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canvas.drawPath(path, drawPaint)
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canvas.drawText(line2, drawTempRect.left + 5 * d, drawTempRect.top + 5 * d + totalHeight, fontPaint)
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fontPaint.isFakeBoldText = true
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canvas.drawText(line1, drawTempRect.left + 5 * d, drawTempRect.top + 5 * d + line1Height, fontPaint)
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fontPaint.isFakeBoldText = false
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}
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}
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private val removeFocusPoint = Runnable { unfocus() }
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fun unfocus() {
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focusPoint = null
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invalidate()
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}
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override fun onTouchEvent(event: MotionEvent): Boolean {
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when (event.actionMasked) {
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MotionEvent.ACTION_UP, MotionEvent.ACTION_POINTER_UP, MotionEvent.ACTION_CANCEL -> {
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postDelayed(removeFocusPoint, POPUP_DELAY)
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return true
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}
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MotionEvent.ACTION_DOWN, MotionEvent.ACTION_POINTER_DOWN, MotionEvent.ACTION_MOVE -> {
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removeCallbacks(removeFocusPoint)
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focusPoint = PointF(event.x, event.y)
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invalidate()
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return true
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}
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}
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return false
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}
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companion object {
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const val POPUP_DELAY = 3000L
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}
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}
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