Add event transparency

app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt

@@ -63,6 +63,7 @@ class EventActivity : SimpleActivity() {
     private val REPEAT_LIMIT = "REPEAT_LIMIT"
     private val REPEAT_RULE = "REPEAT_RULE"
     private val ATTENDEES = "ATTENDEES"
+    private val AVAILABILITY = "AVAILABILITY"
     private val EVENT_TYPE_ID = "EVENT_TYPE_ID"
     private val EVENT_CALENDAR_ID = "EVENT_CALENDAR_ID"
     private val SELECT_TIME_ZONE_INTENT = 1
@@ -89,6 +90,7 @@ class EventActivity : SimpleActivity() {
     private var mAttendeeAutoCompleteViews = ArrayList<MyAutoCompleteTextView>()
     private var mAvailableContacts = ArrayList<Attendee>()
     private var mSelectedContacts = ArrayList<Attendee>()
+    private var mAvailability = Attendees.AVAILABILITY_BUSY
     private var mStoredEventTypes = ArrayList<EventType>()
     private var mOriginalTimeZone = DateTimeZone.getDefault().id
     private var mOriginalStartTS = 0L
@@ -217,6 +219,14 @@ class EventActivity : SimpleActivity() {
             }
         }
 
+        event_availability.setOnClickListener {
+            showAvailabilityPicker(mAvailability) {
+                mAvailability = it
+                updateAvailabilityText()
+                updateAvailabilityImage()
+            }
+        }
+
         event_type_holder.setOnClickListener { showEventTypeDialog() }
         event_all_day.apply {
             isChecked = mEvent.flags and FLAG_ALL_DAY != 0
@@ -350,6 +360,8 @@ class EventActivity : SimpleActivity() {
 
             putString(ATTENDEES, getAllAttendees(false))
 
+            putInt(AVAILABILITY, mAvailability)
+
             putLong(EVENT_TYPE_ID, mEventTypeId)
             putInt(EVENT_CALENDAR_ID, mEventCalendarId)
         }
@@ -376,6 +388,8 @@ class EventActivity : SimpleActivity() {
             mReminder2Type = getInt(REMINDER_2_TYPE)
             mReminder3Type = getInt(REMINDER_3_TYPE)
 
+            mAvailability = getInt(AVAILABILITY)
+
             mRepeatInterval = getInt(REPEAT_INTERVAL)
             mRepeatRule = getInt(REPEAT_RULE)
             mRepeatLimit = getLong(REPEAT_LIMIT)
@@ -410,7 +424,9 @@ class EventActivity : SimpleActivity() {
         updateStartTexts()
         updateEndTexts()
         updateTimeZoneText()
-        updateAttendeesVisibility()
+        updateCalDAVVisibility()
+        updateAvailabilityText()
+        updateAvailabilityImage()
     }
 
     private fun setupEditEvent() {
@@ -451,6 +467,7 @@ class EventActivity : SimpleActivity() {
         mRepeatRule = mEvent.repeatRule
         mEventTypeId = mEvent.eventType
         mEventCalendarId = mEvent.getCalDAVCalendarId()
+        mAvailability = mEvent.availability
 
         val token = object : TypeToken<List<Attendee>>() {}.type
         mAttendees = Gson().fromJson<ArrayList<Attendee>>(mEvent.attendees, token) ?: ArrayList()
@@ -836,17 +853,30 @@ class EventActivity : SimpleActivity() {
         }
     }
 
+    private fun showAvailabilityPicker(currentValue: Int, callback: (Int) -> Unit) {
+        val items = arrayListOf(
+            RadioItem(Attendees.AVAILABILITY_BUSY, getString(R.string.status_busy)),
+            RadioItem(Attendees.AVAILABILITY_FREE, getString(R.string.status_free))
+        )
+        RadioGroupDialog(this, items, currentValue) {
+            callback(it as Int)
+        }
+    }
+
     private fun updateReminderTypeImages() {
         updateReminderTypeImage(event_reminder_1_type, Reminder(mReminder1Minutes, mReminder1Type))
         updateReminderTypeImage(event_reminder_2_type, Reminder(mReminder2Minutes, mReminder2Type))
         updateReminderTypeImage(event_reminder_3_type, Reminder(mReminder3Minutes, mReminder3Type))
     }
 
-    private fun updateAttendeesVisibility() {
+    private fun updateCalDAVVisibility() {
         val isSyncedEvent = mEventCalendarId != STORED_LOCALLY_ONLY
         event_attendees_image.beVisibleIf(isSyncedEvent)
         event_attendees_holder.beVisibleIf(isSyncedEvent)
         event_attendees_divider.beVisibleIf(isSyncedEvent)
+        event_availability_divider.beVisibleIf(isSyncedEvent)
+        event_availability_image.beVisibleIf(isSyncedEvent)
+        event_availability.beVisibleIf(isSyncedEvent)
     }
 
     private fun updateReminderTypeImage(view: ImageView, reminder: Reminder) {
@@ -856,6 +886,16 @@ class EventActivity : SimpleActivity() {
         view.setImageDrawable(icon)
     }
 
+    private fun updateAvailabilityImage() {
+        val drawable = if (mAvailability == Attendees.AVAILABILITY_FREE) R.drawable.ic_event_available else R.drawable.ic_event_occupied
+        val icon = resources.getColoredDrawableWithColor(drawable, config.textColor)
+        event_availability_image.setImageDrawable(icon)
+    }
+
+    private fun updateAvailabilityText() {
+        event_availability.text = if (mAvailability == Attendees.AVAILABILITY_FREE) getString(R.string.status_free) else getString(R.string.status_busy)
+    }
+
     private fun updateRepetitionText() {
         event_repetition.text = getRepetitionText(mRepeatInterval)
     }
@@ -895,7 +935,9 @@ class EventActivity : SimpleActivity() {
                     config.lastUsedCaldavCalendarId = it
                     updateCurrentCalendarInfo(getCalendarWithId(calendars, it))
                     updateReminderTypeImages()
-                    updateAttendeesVisibility()
+                    updateCalDAVVisibility()
+                    updateAvailabilityText()
+                    updateAvailabilityImage()
                 }
             }
         } else {
@@ -1122,6 +1164,7 @@ class EventActivity : SimpleActivity() {
             lastUpdated = System.currentTimeMillis()
             source = newSource
             location = event_location.value
+            availability = mAvailability
         }
 
         // recreate the event if it was moved in a different CalDAV calendar
@@ -1648,7 +1691,7 @@ class EventActivity : SimpleActivity() {
         val textColor = config.textColor
         arrayOf(
             event_time_image, event_time_zone_image, event_repetition_image, event_reminder_image, event_type_image, event_caldav_calendar_image,
-            event_reminder_1_type, event_reminder_2_type, event_reminder_3_type, event_attendees_image
+            event_reminder_1_type, event_reminder_2_type, event_reminder_3_type, event_attendees_image, event_availability_image
         ).forEach {
             it.applyColorFilter(textColor)
         }

app/src/main/kotlin/com/simplemobiletools/calendar/pro/databases/EventsDatabase.kt

@@ -17,7 +17,7 @@ import com.simplemobiletools.calendar.pro.models.Event
 import com.simplemobiletools.calendar.pro.models.EventType
 import java.util.concurrent.Executors
 
-@Database(entities = [Event::class, EventType::class], version = 3)
+@Database(entities = [Event::class, EventType::class], version = 4)
 @TypeConverters(Converters::class)
 abstract class EventsDatabase : RoomDatabase() {
 
@@ -41,6 +41,7 @@ abstract class EventsDatabase : RoomDatabase() {
                                 })
                                 .addMigrations(MIGRATION_1_2)
                                 .addMigrations(MIGRATION_2_3)
+                                .addMigrations(MIGRATION_3_4)
                                 .build()
                         db!!.openHelper.setWriteAheadLoggingEnabled(true)
                     }
@@ -80,5 +81,13 @@ abstract class EventsDatabase : RoomDatabase() {
                 }
             }
         }
+
+        private val MIGRATION_3_4 = object : Migration(3, 4) {
+            override fun migrate(database: SupportSQLiteDatabase) {
+                database.apply {
+                    execSQL("ALTER TABLE events ADD COLUMN availability INTEGER NOT NULL DEFAULT 0")
+                }
+            }
+        }
     }
 }

app/src/main/kotlin/com/simplemobiletools/calendar/pro/helpers/CalDAVHelper.kt

@@ -170,7 +170,9 @@ class CalDAVHelper(val context: Context) {
             Events.EVENT_LOCATION,
             Events.EVENT_TIMEZONE,
             Events.CALENDAR_TIME_ZONE,
-            Events.DELETED)
+            Events.DELETED,
+            Events.AVAILABILITY
+            )
 
         val selection = "${Events.CALENDAR_ID} = $calendarId"
         context.queryCursor(uri, projection, selection, showErrors = showToasts) { cursor ->
@@ -191,6 +193,7 @@ class CalDAVHelper(val context: Context) {
             val originalInstanceTime = cursor.getLongValue(Events.ORIGINAL_INSTANCE_TIME)
             val reminders = getCalDAVEventReminders(id)
             val attendees = Gson().toJson(getCalDAVEventAttendees(id))
+            val availability = cursor.getIntValue(Events.AVAILABILITY)
 
             if (endTS == 0L) {
                 val duration = cursor.getStringValue(Events.DURATION) ?: ""
@@ -210,7 +213,7 @@ class CalDAVHelper(val context: Context) {
                 reminder2?.minutes ?: REMINDER_OFF, reminder3?.minutes ?: REMINDER_OFF, reminder1?.type
                 ?: REMINDER_NOTIFICATION, reminder2?.type ?: REMINDER_NOTIFICATION, reminder3?.type
                 ?: REMINDER_NOTIFICATION, repeatRule.repeatInterval, repeatRule.repeatRule,
-                repeatRule.repeatLimit, ArrayList(), attendees, importId, eventTimeZone, allDay, eventTypeId, source = source)
+                repeatRule.repeatLimit, ArrayList(), attendees, importId, eventTimeZone, allDay, eventTypeId, source = source, availability = availability)
 
             if (event.getIsAllDay()) {
                 event.startTS = Formatter.getShiftedImportTimestamp(event.startTS)
@@ -382,6 +385,7 @@ class CalDAVHelper(val context: Context) {
             put(Events.EVENT_TIMEZONE, event.getTimeZoneString())
             put(Events.EVENT_LOCATION, event.location)
             put(Events.STATUS, Events.STATUS_CONFIRMED)
+            put(Events.AVAILABILITY, event.availability)
 
             val repeatRule = Parser().getRepeatCode(event)
             if (repeatRule.isEmpty()) {

app/src/main/kotlin/com/simplemobiletools/calendar/pro/helpers/Constants.kt

@@ -113,6 +113,7 @@ const val SUMMARY = "SUMMARY"
 const val DESCRIPTION = "DESCRIPTION:"
 const val UID = "UID:"
 const val ACTION = "ACTION:"
+const val TRANSP = "TRANSP:"
 const val ATTENDEE = "ATTENDEE:"
 const val MAILTO = "mailto:"
 const val TRIGGER = "TRIGGER"
@@ -155,6 +156,9 @@ const val FR = "FR"
 const val SA = "SA"
 const val SU = "SU"
 
+const val OPAQUE = "OPAQUE"
+const val TRANSPARENT = "TRANSPARENT"
+
 const val SOURCE_SIMPLE_CALENDAR = "simple-calendar"
 const val SOURCE_IMPORTED_ICS = "imported-ics"
 const val SOURCE_CONTACT_BIRTHDAY = "contact-birthday"

app/src/main/kotlin/com/simplemobiletools/calendar/pro/helpers/IcsExporter.kt

@@ -1,5 +1,6 @@
 package com.simplemobiletools.calendar.pro.helpers
 
+import android.provider.CalendarContract.Events
 import com.simplemobiletools.calendar.pro.R
 import com.simplemobiletools.calendar.pro.extensions.calDAVHelper
 import com.simplemobiletools.calendar.pro.extensions.eventTypesDB
@@ -56,6 +57,7 @@ class IcsExporter {
                     event.eventType.let { out.writeLn("$CATEGORIES${activity.eventTypesDB.getEventTypeWithId(it)?.title}") }
                     event.lastUpdated.let { out.writeLn("$LAST_MODIFIED:${Formatter.getExportedTime(it)}") }
                     event.location.let { out.writeLn("$LOCATION:$it") }
+                    event.availability.let { out.writeLn("$TRANSP${if (it == Events.AVAILABILITY_FREE) TRANSPARENT else OPAQUE}") }
 
                     if (event.getIsAllDay()) {
                         out.writeLn("$DTSTART;$VALUE=$DATE:${Formatter.getDayCodeFromTS(event.startTS)}")

app/src/main/kotlin/com/simplemobiletools/calendar/pro/helpers/IcsImporter.kt

@@ -1,5 +1,6 @@
 package com.simplemobiletools.calendar.pro.helpers
 
+import android.provider.CalendarContract.Events
 import com.simplemobiletools.calendar.pro.R
 import com.simplemobiletools.calendar.pro.activities.SimpleActivity
 import com.simplemobiletools.calendar.pro.extensions.eventsDB
@@ -36,6 +37,7 @@ class IcsImporter(val activity: SimpleActivity) {
     private var curEventTypeId = REGULAR_EVENT_TYPE_ID
     private var curLastModified = 0L
     private var curCategoryColor = -2
+    private var curAvailability = Events.AVAILABILITY_BUSY
     private var isNotificationDescription = false
     private var isProperReminderAction = false
     private var isSequence = false
@@ -160,6 +162,8 @@ class IcsImporter(val activity: SimpleActivity) {
                         curRecurrenceDayCode = Formatter.getDayCodeFromTS(timestamp)
                     } else if (line.startsWith(SEQUENCE)) {
                         isSequence = true
+                    } else if (line.startsWith(TRANSP)) {
+                        line.substring(TRANSP.length).let { curAvailability = if (it == TRANSPARENT) Events.AVAILABILITY_FREE else Events.AVAILABILITY_BUSY }
                     } else if (line.trim() == BEGIN_ALARM) {
                         isNotificationDescription = true
                     } else if (line.trim() == END_ALARM) {
@@ -222,7 +226,8 @@ class IcsImporter(val activity: SimpleActivity) {
                             curEventTypeId,
                             0,
                             curLastModified,
-                            source
+                            source,
+                            curAvailability
                         )
 
                         if (event.getIsAllDay() && curEnd > curStart) {

app/src/main/kotlin/com/simplemobiletools/calendar/pro/models/Event.kt

@@ -37,7 +37,8 @@ data class Event(
     @ColumnInfo(name = "event_type") var eventType: Long = REGULAR_EVENT_TYPE_ID,
     @ColumnInfo(name = "parent_id") var parentId: Long = 0,
     @ColumnInfo(name = "last_updated") var lastUpdated: Long = 0L,
-    @ColumnInfo(name = "source") var source: String = SOURCE_SIMPLE_CALENDAR)
+    @ColumnInfo(name = "source") var source: String = SOURCE_SIMPLE_CALENDAR,
+    @ColumnInfo(name = "availability") var availability: Int = 0)
     : Serializable {
 
     companion object {

app/src/main/res/drawable/ic_event_available.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M19,3h-1L18,1h-2v2L8,3L8,1L6,1v2L5,3c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2L21,5c0,-1.1 -0.9,-2 -2,-2zM19,19L5,19L5,9h14v10zM5,7L5,5h14v2L5,7zM10.56,17.46l5.93,-5.93 -1.06,-1.06 -4.87,4.87 -2.11,-2.11 -1.06,1.06z"/>
+</vector>

app/src/main/res/drawable/ic_event_occupied.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M19,3h-1L18,1h-2v2L8,3L8,1L6,1v2L5,3c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2L21,5c0,-1.1 -0.9,-2 -2,-2zM19,19L5,19L5,9h14v10zM5,7L5,5h14v2L5,7zM8.23,16.41l1.06,1.06 2.44,-2.44 2.44,2.44 1.06,-1.06 -2.44,-2.44 2.44,-2.44 -1.06,-1.06 -2.44,2.44 -2.44,-2.44 -1.06,1.06 2.44,2.44z"/>
+</vector>

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

@@ -430,11 +430,45 @@
             android:background="@color/divider_grey"
             android:importantForAccessibility="no" />
 
+        <ImageView
+            android:id="@+id/event_availability_image"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:layout_alignTop="@+id/event_availability"
+            android:layout_alignBottom="@+id/event_availability"
+            android:layout_marginStart="@dimen/normal_margin"
+            android:padding="@dimen/medium_margin"
+            android:src="@drawable/ic_event_occupied" />
+
+        <com.simplemobiletools.commons.views.MyTextView
+            android:id="@+id/event_availability"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_below="@+id/event_attendees_divider"
+            android:layout_toEndOf="@+id/event_availability_image"
+            android:layout_marginStart="@dimen/small_margin"
+            android:layout_marginTop="@dimen/medium_margin"
+            android:paddingTop="@dimen/normal_margin"
+            android:paddingBottom="@dimen/normal_margin"
+            android:paddingEnd="@dimen/activity_margin"
+            android:background="?attr/selectableItemBackground"
+            android:textSize="@dimen/day_text_size"
+            android:text="@string/status_busy" />
+
+        <ImageView
+            android:id="@+id/event_availability_divider"
+            android:layout_width="match_parent"
+            android:layout_height="1px"
+            android:layout_below="@+id/event_availability"
+            android:layout_marginTop="@dimen/medium_margin"
+            android:background="@color/divider_grey"
+            android:importantForAccessibility="no" />
+
         <ImageView
             android:id="@+id/event_caldav_calendar_image"
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
-            android:layout_below="@+id/event_attendees_divider"
+            android:layout_below="@+id/event_availability_divider"
             android:layout_alignTop="@+id/event_caldav_calendar_holder"
             android:layout_alignEnd="@+id/event_time_image"
             android:layout_alignBottom="@+id/event_caldav_calendar_holder"
@@ -447,7 +481,7 @@
             android:id="@+id/event_caldav_calendar_holder"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_below="@+id/event_attendees_divider"
+            android:layout_below="@+id/event_availability_divider"
             android:layout_toEndOf="@+id/event_caldav_calendar_image"
             android:background="?attr/selectableItemBackground"
             android:visibility="gone">

app/src/main/res/values-zh-rCN/strings.xml

@@ -302,9 +302,9 @@
 
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
-    </string>
+    </string><![CDATA[
 
-    <!--
+        ]]><!--
         Haven't found some strings? There's more at
         https://github.com/SimpleMobileTools/Simple-Commons/tree/master/commons/src/main/res
     -->