New option that allows making completed/entered habits grey

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/list/ListHabitsActivity.kt

@@ -75,8 +75,12 @@ class ListHabitsActivity : AppCompatActivity(), Preferences.Listener {
     private lateinit var menu: ListHabitsMenu
 
     override fun onQuestionMarksChanged() {
-        invalidateOptionsMenu()
-        menu.behavior.onPreferencesChanged()
+        if (prefs.greyCompleted) {
+            restartWithFade(this::class.java)
+        } else {
+            invalidateOptionsMenu()
+            menu.behavior.onPreferencesChanged()
+        }
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/list/ListHabitsMenu.kt

@@ -49,13 +49,17 @@ class ListHabitsMenu @Inject constructor(
         val nightModeItem = menu.findItem(R.id.actionToggleNightMode)
         val hideArchivedItem = menu.findItem(R.id.actionHideArchived)
         val hideCompletedItem = menu.findItem(R.id.actionHideCompleted)
+        val greyCompletedItem = menu.findItem(R.id.actionGreyCompleted)
         nightModeItem.isChecked = themeSwitcher.isNightMode
         hideArchivedItem.isChecked = !preferences.showArchived
         hideCompletedItem.isChecked = !preferences.showCompleted
+        greyCompletedItem.isChecked = preferences.greyCompleted
         if (preferences.areQuestionMarksEnabled || preferences.isSkipEnabled) {
             hideCompletedItem.title = activity.resources.getString(R.string.hide_entered)
+            greyCompletedItem.title = activity.resources.getString(R.string.grey_entered)
         } else {
             hideCompletedItem.title = activity.resources.getString(R.string.hide_completed)
+            greyCompletedItem.title = activity.resources.getString(R.string.grey_completed)
         }
         updateArrows(menu)
     }
@@ -121,6 +125,12 @@ class ListHabitsMenu @Inject constructor(
                 return true
             }
 
+            R.id.actionGreyCompleted -> {
+                behavior.onToggleGreyCompleted()
+                activity.invalidateOptionsMenu()
+                return true
+            }
+
             R.id.actionSortColor -> {
                 behavior.onSortByColor()
                 return true

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/list/views/HabitCardView.kt

@@ -35,14 +35,17 @@ import android.widget.FrameLayout
 import android.widget.LinearLayout
 import android.widget.TextView
 import org.isoron.platform.gui.toInt
+import org.isoron.uhabits.HabitsApplication
 import org.isoron.uhabits.R
 import org.isoron.uhabits.activities.common.views.RingView
 import org.isoron.uhabits.core.models.Habit
 import org.isoron.uhabits.core.models.ModelObservable
 import org.isoron.uhabits.core.models.Timestamp
+import org.isoron.uhabits.core.preferences.Preferences
 import org.isoron.uhabits.core.ui.screens.habits.list.ListHabitsBehavior
 import org.isoron.uhabits.core.utils.DateUtils
 import org.isoron.uhabits.inject.ActivityContext
+import org.isoron.uhabits.inject.HabitsApplicationComponent
 import org.isoron.uhabits.utils.currentTheme
 import org.isoron.uhabits.utils.dp
 import org.isoron.uhabits.utils.sres
@@ -123,7 +126,12 @@ class HabitCardView(
             numberPanel.notes = values
         }
 
+    private val appComponent: HabitsApplicationComponent =
+        (context.applicationContext as HabitsApplication).component
+    private val prefs: Preferences = appComponent.preferences
+
     var checkmarkPanel: CheckmarkPanelView
+
     private var numberPanel: NumberPanelView
     private var innerFrame: LinearLayout
     private var label: TextView
@@ -264,10 +272,19 @@ class HabitCardView(
 
     private fun copyAttributesFrom(h: Habit) {
         fun getActiveColor(habit: Habit): Int {
-            return when (habit.isArchived) {
-                true -> sres.getColor(R.attr.contrast60)
-                false -> currentTheme().color(habit.color).toInt()
+            var retCol: Int = currentTheme().color(habit.color).toInt()
+
+            if (habit.isArchived) {
+                retCol = sres.getColor(R.attr.contrast60)
+            } else if (prefs.greyCompleted) {
+                if (prefs.areQuestionMarksEnabled && habit.isEnteredToday()) {
+                    retCol = sres.getColor(R.attr.contrast40)
+                } else if (!prefs.areQuestionMarksEnabled && habit.isCompletedToday()) {
+                    retCol = sres.getColor(R.attr.contrast40)
+                }
             }
+
+            return retCol
         }
 
         val c = getActiveColor(h)

uhabits-android/src/main/res/menu/list_habits.xml

@@ -48,6 +48,12 @@
                 android:enabled="true"
                 android:title="@string/hide_completed"/>
 
+            <item
+                android:id="@+id/actionGreyCompleted"
+                android:checkable="true"
+                android:enabled="true"
+                android:title="@string/grey_completed"/>
+
             <item android:title="@string/sort">
                 <menu>
                     <item

uhabits-android/src/main/res/values/strings.xml

@@ -161,7 +161,9 @@
     <string name="none">None</string>
     <string name="filter">Filter</string>
     <string name="hide_completed">Hide completed</string>
+    <string name="grey_completed">Grey completed</string>
     <string name="hide_entered">Hide entered</string>
+    <string name="grey_entered">Grey entered</string>
     <string name="hide_archived">Hide archived</string>
     <string name="sticky_notifications">Make notifications sticky</string>
     <string name="sticky_notifications_description">Prevents notifications from being swiped away.</string>

uhabits-core/src/jvmMain/java/org/isoron/uhabits/core/preferences/Preferences.kt

@@ -101,6 +101,11 @@ open class Preferences(private val storage: Storage) {
         set(showCompleted) {
             storage.putBoolean("pref_show_completed", showCompleted)
         }
+    var greyCompleted: Boolean
+        get() = storage.getBoolean("pref_grey_completed", false)
+        set(greyCompleted) {
+            storage.putBoolean("pref_grey_completed", greyCompleted)
+        }
 
     var theme: Int
         get() = storage.getInt("pref_theme", ThemeSwitcher.THEME_AUTOMATIC)

uhabits-core/src/jvmMain/java/org/isoron/uhabits/core/ui/screens/habits/list/ListHabitsMenuBehavior.kt

@@ -31,6 +31,7 @@ class ListHabitsMenuBehavior @Inject constructor(
     private val themeSwitcher: ThemeSwitcher
 ) {
     private var showCompleted: Boolean
+    private var greyCompleted: Boolean
     private var showArchived: Boolean
 
     fun onCreateHabit() {
@@ -61,6 +62,12 @@ class ListHabitsMenuBehavior @Inject constructor(
         updateAdapterFilter()
     }
 
+    fun onToggleGreyCompleted() {
+        greyCompleted = !greyCompleted
+        preferences.greyCompleted = greyCompleted
+        screen.applyTheme()
+    }
+
     fun onSortByManually() {
         adapter.primaryOrder = HabitList.Order.BY_POSITION
     }
@@ -137,6 +144,7 @@ class ListHabitsMenuBehavior @Inject constructor(
 
     init {
         showCompleted = preferences.showCompleted
+        greyCompleted = preferences.greyCompleted
         showArchived = preferences.showArchived
         updateAdapterFilter()
     }

uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/preferences/PreferencesTest.kt

@@ -156,10 +156,13 @@ class PreferencesTest : BaseUnitTest() {
     fun testFiltering() {
         assertFalse(prefs.showArchived)
         assertTrue(prefs.showCompleted)
+        assertFalse(prefs.greyCompleted)
         prefs.showArchived = true
         prefs.showCompleted = false
+        prefs.greyCompleted = true
         assertTrue(prefs.showArchived)
         assertFalse(prefs.showCompleted)
+        assertTrue(prefs.greyCompleted)
     }
 
     @Test