[UI] Add eggfall. (#22)

* Add eggfall

* Add egg.png

* Add more eggs

* [Gradle] Update android-snowfall to a fork.

* [Eggfall] Add randomizing egg images.

* [UI] Restore snowfall icon. Add separate eggfall setting.

* [Eggfall] Limit eggfall to near-easter date only.

Co-authored-by: GitHub <noreply@github.com>
Co-authored-by: Kuba Szczodrzyński <kuba@szczodrzynski.pl>

app/build.gradle

@@ -152,6 +152,7 @@ dependencies {
     implementation "pl.droidsonroids.retrofit2:converter-jspoon:1.3.2"
 
     // Szkolny.eu libraries/forks
+    implementation "eu.szkolny:android-snowfall:1ca9ea2da3"
     implementation "eu.szkolny:agendacalendarview:1799f8ef47"
     implementation "eu.szkolny:cafebar:5bf0c618de"
     implementation "eu.szkolny.fslogin:lib:2.0.0"
@@ -180,7 +181,6 @@ dependencies {
     implementation "com.github.bassaer:chatmessageview:2.0.1"
     implementation "com.github.CanHub:Android-Image-Cropper:2.2.2"
     implementation "com.github.ChuckerTeam.Chucker:library:3.0.1"
-    implementation "com.github.jetradarmobile:android-snowfall:1.2.0"
     implementation "com.github.wulkanowy.uonet-request-signer:hebe-jvm:a99ca50a31"
     implementation("com.heinrichreimersoftware:material-intro") { version { strictly "1.5.8" } }
     implementation "com.hypertrack:hyperlog:0.0.10"

app/src/main/java/pl/szczodrzynski/edziennik/MainActivity.kt

@@ -21,6 +21,7 @@ import androidx.lifecycle.Observer
 import androidx.navigation.NavOptions
 import com.danimahardhika.cafebar.CafeBar
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.jetradarmobile.snowfall.SnowfallView
 import com.mikepenz.iconics.IconicsDrawable
 import com.mikepenz.iconics.typeface.library.community.material.CommunityMaterial
 import com.mikepenz.iconics.utils.colorInt
@@ -81,12 +82,9 @@ import pl.szczodrzynski.edziennik.ui.modules.settings.ProfileManagerFragment
 import pl.szczodrzynski.edziennik.ui.modules.settings.SettingsFragment
 import pl.szczodrzynski.edziennik.ui.modules.timetable.TimetableFragment
 import pl.szczodrzynski.edziennik.ui.modules.webpush.WebPushFragment
-import pl.szczodrzynski.edziennik.utils.SwipeRefreshLayoutNoTouch
-import pl.szczodrzynski.edziennik.utils.Themes
-import pl.szczodrzynski.edziennik.utils.Utils
+import pl.szczodrzynski.edziennik.utils.*
 import pl.szczodrzynski.edziennik.utils.Utils.d
 import pl.szczodrzynski.edziennik.utils.Utils.dpToPx
-import pl.szczodrzynski.edziennik.utils.appManagerIntentList
 import pl.szczodrzynski.edziennik.utils.models.Date
 import pl.szczodrzynski.edziennik.utils.models.NavTarget
 import pl.szczodrzynski.navlib.*
@@ -470,9 +468,21 @@ class MainActivity : AppCompatActivity(), CoroutineScope {
 
         // IT'S WINTER MY DUDES
         val today = Date.getToday()
-        if ((today.month == 12 || today.month == 1) && app.config.ui.snowfall) {
+        if ((today.month % 11 == 1) && app.config.ui.snowfall) {
             b.rootFrame.addView(layoutInflater.inflate(R.layout.snowfall, b.rootFrame, false))
         }
+        else if (app.config.ui.eggfall && BigNightUtil().isDataWielkanocyNearDzisiaj()) {
+            val eggfall = layoutInflater.inflate(R.layout.eggfall, b.rootFrame, false) as SnowfallView
+            eggfall.setSnowflakeBitmaps(listOf(
+                BitmapFactory.decodeResource(resources, R.drawable.egg1),
+                BitmapFactory.decodeResource(resources, R.drawable.egg2),
+                BitmapFactory.decodeResource(resources, R.drawable.egg3),
+                BitmapFactory.decodeResource(resources, R.drawable.egg4),
+                BitmapFactory.decodeResource(resources, R.drawable.egg5),
+                BitmapFactory.decodeResource(resources, R.drawable.egg6)
+            ))
+            b.rootFrame.addView(eggfall)
+        }
 
         // WHAT'S NEW DIALOG
         if (app.config.appVersion < BuildConfig.VERSION_CODE) {

app/src/main/java/pl/szczodrzynski/edziennik/config/ConfigUI.kt

@@ -49,6 +49,11 @@ class ConfigUI(private val config: Config) {
         get() { mSnowfall = mSnowfall ?: config.values.get("snowfall", false); return mSnowfall ?: false }
         set(value) { config.set("snowfall", value); mSnowfall = value }
 
+    private var mEggfall: Boolean? = null
+    var eggfall: Boolean
+        get() { mEggfall = mEggfall ?: config.values.get("eggfall", false); return mEggfall ?: false }
+        set(value) { config.set("eggfall", value); mEggfall = value }
+
     private var mBottomSheetOpened: Boolean? = null
     var bottomSheetOpened: Boolean
         get() { mBottomSheetOpened = mBottomSheetOpened ?: config.values.get("bottomSheetOpened", false); return mBottomSheetOpened ?: false }

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/settings/cards/SettingsThemeCard.kt

@@ -12,6 +12,7 @@ import pl.szczodrzynski.edziennik.ui.dialogs.settings.MiniMenuConfigDialog
 import pl.szczodrzynski.edziennik.ui.dialogs.settings.ThemeChooserDialog
 import pl.szczodrzynski.edziennik.ui.modules.settings.SettingsCard
 import pl.szczodrzynski.edziennik.ui.modules.settings.SettingsUtil
+import pl.szczodrzynski.edziennik.utils.BigNightUtil
 import pl.szczodrzynski.edziennik.utils.Themes
 import pl.szczodrzynski.edziennik.utils.models.Date
 
@@ -36,6 +37,18 @@ class SettingsThemeCard(util: SettingsUtil) : SettingsCard(util) {
             }
         else null,
 
+        if (BigNightUtil().isDataWielkanocyNearDzisiaj()) // cool klasa for utility to dzień wielkanocy
+            util.createPropertyItem(
+                text = R.string.settings_theme_eggfall_text,
+                subText = R.string.settings_theme_eggfall_subtext,
+                icon = CommunityMaterial.Icon.cmd_egg_easter,
+                value = configGlobal.ui.eggfall
+            ) { _, it ->
+                configGlobal.ui.eggfall = it
+                activity.recreate()
+            }
+        else null,
+
         util.createActionItem(
             text = R.string.settings_theme_theme_text,
             subText = Themes.getThemeNameRes(),

app/src/main/java/pl/szczodrzynski/edziennik/utils/BigNightUtil.kt

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2021-4-8.
+ */
+
+package pl.szczodrzynski.edziennik.utils
+
+import pl.szczodrzynski.edziennik.utils.models.Date
+import kotlin.math.absoluteValue
+
+// Obliczanie daty wielkanocy - algorytm Gaussa
+// www.algorytm.org
+// (c) 2008 by Tomasz Lubinski
+// http://www.algorytm.org/przetwarzanie-dat/wyznaczanie-daty-wielkanocy-algortym-gaussa/dwg-j.html
+
+class BigNightUtil {
+
+    /* Pobierz wartosc A z tabeli lat */
+    private fun getA(rok: Int) = when {
+        rok <= 1582 -> 15
+        rok <= 1699 -> 22
+        rok <= 1899 -> 23
+        rok <= 2199 -> 24
+        rok <= 2299 -> 25
+        rok <= 2399 -> 26
+        rok <= 2499 -> 25
+        else -> 0
+    }
+
+    /* Pobierz wartosc B z tabeli lat */
+    private fun getB(rok: Int) = when {
+        rok <= 1582 -> 6
+        rok <= 1699 -> 2
+        rok <= 1799 -> 3
+        rok <= 1899 -> 4
+        rok <= 2099 -> 5
+        rok <= 2199 -> 6
+        rok <= 2299 -> 0
+        rok <= 2499 -> 1
+        else -> 0
+    }
+
+    /* oblicz ile dni po 22 marca przypada wielkanoc */
+    private fun Oblicz_Date_wielkanocy(rok: Int): Int {
+        val a = rok % 19
+        val b = rok % 4
+        val c = rok % 7
+        var d = (a * 19 + getA(rok)) % 30
+        val e = (2 * b + 4 * c + 6 * d + getB(rok)) % 7
+        if (d == 29 && e == 6 || d == 28 && e == 6) {
+            d -= 7
+        }
+        return d + e
+    }
+
+    private fun get_dataOf_bigNight(): Date {
+        val date = Date.getToday()
+        date.month = 4
+        date.day = 22 + Oblicz_Date_wielkanocy(date.year)
+        if (date.day > 31)
+            date.day = date.day % 31
+        else
+            date.month = 3
+
+        return date
+    }
+
+    fun isDataWielkanocyNearDzisiaj() =
+        Date.diffDays(Date.getToday(), get_dataOf_bigNight()).absoluteValue < 7
+}

app/src/main/res/layout/eggfall.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (c) Mateusz Idziejczak 2021-4-3.
+  -->
+
+<com.jetradarmobile.snowfall.SnowfallView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:snowflakeAlphaMax="250"
+    app:snowflakeAlphaMin="150"
+    app:snowflakeSizeMax="32dp"
+    app:snowflakeSizeMin="16dp"
+    app:snowflakesNum="70" />

app/src/main/res/values-de/strings.xml

@@ -967,6 +967,8 @@
     <string name="settings_theme_open_drawer_on_back_pressed_text">Öffnen Sie das Menü mit der Zurück-Taste</string>
     <string name="settings_theme_snowfall_subtext">Schlittenfahrt im Schnee</string>
     <string name="settings_theme_snowfall_text">Jingle Bells, Jingle Bells</string>
+    <string name="settings_theme_eggfall_subtext">Brrrr</string>
+    <string name="settings_theme_eggfall_text">Bajo jajo, bajo jajo</string>
     <string name="settings_theme_theme_pink">Rosa</string>
     <string name="settings_theme_theme_system">System</string>
     <string name="settings_theme_theme_text">Thema</string>

app/src/main/res/values-en/strings.xml

@@ -969,6 +969,8 @@
     <string name="settings_theme_open_drawer_on_back_pressed_text">Back button opens drawer</string>
     <string name="settings_theme_snowfall_subtext">Jingle all the way</string>
     <string name="settings_theme_snowfall_text">Jingle bells, Jingle bells</string>
+    <string name="settings_theme_eggfall_subtext">Brrrr</string>
+    <string name="settings_theme_eggfall_text">Bajo jajo, bajo jajo</string>
     <string name="settings_theme_theme_pink">Pink</string>
     <string name="settings_theme_theme_system">System</string>
     <string name="settings_theme_theme_text">Theme</string>

app/src/main/res/values/strings.xml

@@ -1034,6 +1034,8 @@
     <string name="settings_theme_open_drawer_on_back_pressed_text">Otwieraj menu przyciskiem wstecz</string>
     <string name="settings_theme_snowfall_subtext">Dzwonią dzwonki sań</string>
     <string name="settings_theme_snowfall_text">Pada śnieg, pada śnieg</string>
+    <string name="settings_theme_eggfall_subtext">Brrrr</string>
+    <string name="settings_theme_eggfall_text">Bajo jajo, bajo jajo</string>
     <string name="settings_theme_theme_pink">Różowy</string>
     <string name="settings_theme_theme_system">Systemowy</string>
     <string name="settings_theme_theme_text">Motyw</string>