Merge pull request #1406 from AllanWang/feature/notif-widget

Feature/notif-widget

20 files changed, 494 insertions, 27 deletions

diff --git a/app/src/androidTest/kotlin/com/pitchedapps/frost/db/NotificationDbTest.kt b/app/src/androidTest/kotlin/com/pitchedapps/frost/db/NotificationDbTest.kt
index 9167c7bf..45a09cbe 100644
--- a/app/src/androidTest/kotlin/com/pitchedapps/frost/db/NotificationDbTest.kt
+++ b/app/src/androidTest/kotlin/com/pitchedapps/frost/db/NotificationDbTest.kt
@@ -38,7 +38,8 @@ class NotificationDbTest : BaseDbTest() {
         title = null,
         text = "",
         timestamp = time,
-        profileUrl = null
+        profileUrl = null,
+        unread = true
     )
 
     @Test
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index ceb309f3..1ca91d62 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -173,6 +173,20 @@
             </intent-filter>
         </receiver>
 
+        <!--Widgets-->
+        <receiver android:name=".widgets.NotificationWidget">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+            </intent-filter>
+            <meta-data
+                android:name="android.appwidget.provider"
+                android:resource="@xml/notification_widget_info" />
+        </receiver>
+        <service
+            android:name=".widgets.NotificationWidgetService"
+            android:enabled="true"
+            android:permission="android.permission.BIND_REMOTEVIEWS" />
+
         <provider
             android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}.provider"
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/activities/BaseMainActivity.kt b/app/src/main/kotlin/com/pitchedapps/frost/activities/BaseMainActivity.kt
index c43c31a2..d6f1abe7 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/activities/BaseMainActivity.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/activities/BaseMainActivity.kt
@@ -104,6 +104,7 @@ import com.pitchedapps.frost.utils.setFrostColors
 import com.pitchedapps.frost.views.BadgedIcon
 import com.pitchedapps.frost.views.FrostVideoViewer
 import com.pitchedapps.frost.views.FrostViewPager
+import com.pitchedapps.frost.widgets.NotificationWidget
 import kotlinx.android.synthetic.main.activity_frame_wrapper.*
 import kotlinx.android.synthetic.main.view_main_fab.*
 import kotlinx.android.synthetic.main.view_main_toolbar.*
@@ -450,7 +451,11 @@ abstract class BaseMainActivity : BaseActivity(), MainActivityContract,
                 Runtime.getRuntime().exit(0)
                 return
             }
-            if (resultCode and REQUEST_RESTART > 0) return restart()
+            if (resultCode and REQUEST_RESTART > 0) {
+                NotificationWidget.forceUpdate(this)
+                restart()
+                return
+            }
             /*
              * These results can be stacked
              */
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/db/Database.kt b/app/src/main/kotlin/com/pitchedapps/frost/db/Database.kt
index e1b1d4c4..67372e23 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/db/Database.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/db/Database.kt
@@ -20,6 +20,7 @@ import android.content.Context
 import androidx.room.Database
 import androidx.room.Room
 import androidx.room.RoomDatabase
+import com.pitchedapps.frost.BuildConfig
 import org.koin.dsl.module.module
 import org.koin.standalone.StandAloneContext
 
@@ -69,15 +70,22 @@ class FrostDatabase(private val privateDb: FrostPrivateDatabase, private val pub
     }
 
     companion object {
+
+        private fun <T : RoomDatabase> RoomDatabase.Builder<T>.frostBuild() = if (BuildConfig.DEBUG) {
+            fallbackToDestructiveMigration().build()
+        } else {
+            build()
+        }
+
         fun create(context: Context): FrostDatabase {
             val privateDb = Room.databaseBuilder(
                 context, FrostPrivateDatabase::class.java,
                 FrostPrivateDatabase.DATABASE_NAME
-            ).build()
+            ).frostBuild()
             val publicDb = Room.databaseBuilder(
                 context, FrostPublicDatabase::class.java,
                 FrostPublicDatabase.DATABASE_NAME
-            ).build()
+            ).frostBuild()
             return FrostDatabase(privateDb, publicDb)
         }
 
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/db/NotificationDb.kt b/app/src/main/kotlin/com/pitchedapps/frost/db/NotificationDb.kt
index 8936d682..d4b51c1e 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/db/NotificationDb.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/db/NotificationDb.kt
@@ -64,7 +64,8 @@ data class NotificationEntity(
     val timestamp: Long,
     val profileUrl: String?,
     // Type essentially refers to channel
-    val type: String
+    val type: String,
+    val unread: Boolean
 ) {
     constructor(
         type: String,
@@ -77,7 +78,8 @@ data class NotificationEntity(
         content.text,
         content.timestamp,
         content.profileUrl,
-        type
+        type,
+        content.unread
     )
 }
 
@@ -94,7 +96,8 @@ data class NotificationContentEntity(
         title = notif.title,
         text = notif.text,
         timestamp = notif.timestamp,
-        profileUrl = notif.profileUrl
+        profileUrl = notif.profileUrl,
+        unread = notif.unread
     )
 }
 
@@ -134,8 +137,11 @@ interface NotificationDao {
 
 suspend fun NotificationDao.deleteAll() = dao { _deleteAll() }
 
-suspend fun NotificationDao.selectNotifications(userId: Long, type: String): List<NotificationContent> = dao {
+fun NotificationDao.selectNotificationsSync(userId: Long, type: String): List<NotificationContent> =
     _selectNotifications(userId, type).map { it.toNotifContent() }
+
+suspend fun NotificationDao.selectNotifications(userId: Long, type: String): List<NotificationContent> = dao {
+    selectNotificationsSync(userId, type)
 }
 
 /**
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/facebook/parsers/MessageParser.kt b/app/src/main/kotlin/com/pitchedapps/frost/facebook/parsers/MessageParser.kt
index 80ed8ee8..9979cd2b 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/facebook/parsers/MessageParser.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/facebook/parsers/MessageParser.kt
@@ -64,7 +64,8 @@ data class FrostMessages(
                     title = title,
                     text = content ?: "",
                     timestamp = time,
-                    profileUrl = img
+                    profileUrl = img,
+                    unread = unread
                 )
             }
         }.toList()
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/facebook/parsers/NotifParser.kt b/app/src/main/kotlin/com/pitchedapps/frost/facebook/parsers/NotifParser.kt
index 199fc685..c22524ad 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/facebook/parsers/NotifParser.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/facebook/parsers/NotifParser.kt
@@ -53,7 +53,8 @@ data class FrostNotifs(
                     title = null,
                     text = content,
                     timestamp = time,
-                    profileUrl = img
+                    profileUrl = img,
+                    unread = unread
                 )
             }
         }.toList()
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/services/FrostNotifications.kt b/app/src/main/kotlin/com/pitchedapps/frost/services/FrostNotifications.kt
index 6f039784..1c37bc29 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/services/FrostNotifications.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/services/FrostNotifications.kt
@@ -61,7 +61,7 @@ private val _40_DP = 40.dpToPx
  * Enum to handle notification creations
  */
 enum class NotificationType(
-    private val channelId: String,
+    val channelId: String,
     private val overlayContext: OverlayContext,
     private val fbItem: FbItem,
     private val parser: FrostParser<ParseNotification>,
@@ -95,8 +95,8 @@ enum class NotificationType(
      */
     internal open fun bindRequest(content: NotificationContent, cookie: String): (BaseBundle.() -> Unit)? = null
 
-    private fun bindRequest(intent: Intent, content: NotificationContent, cookie: String?) {
-        cookie ?: return
+    private fun bindRequest(intent: Intent, content: NotificationContent) {
+        val cookie = content.data.cookie ?: return
         val binder = bindRequest(content, cookie) ?: return
         val bundle = Bundle()
         bundle.binder()
@@ -181,23 +181,40 @@ enum class NotificationType(
             "Debug Notif",
             "Test 123",
             System.currentTimeMillis() / 1000,
-            "https://www.iconexperience.com/_img/v_collection_png/256x256/shadow/dog.png"
+            "https://www.iconexperience.com/_img/v_collection_png/256x256/shadow/dog.png",
+            false
         )
         createNotification(context, content).notify(context)
     }
 
     /**
+     * Attach content related data to an intent
+     */
+    fun putContentExtra(intent: Intent, content: NotificationContent): Intent {
+        // We will show the notification page for dependent urls. We can trigger a click next time
+        intent.data = Uri.parse(if (content.href.isIndependent) content.href else FbItem.NOTIFICATIONS.url)
+        bindRequest(intent, content)
+        return intent
+    }
+
+    /**
+     * Create a generic content for the provided type and user id.
+     * No content related data is added
+     */
+    fun createCommonIntent(context: Context, userId: Long): Intent {
+        val intent = Intent(context, FrostWebActivity::class.java)
+        intent.putExtra(ARG_USER_ID, userId)
+        overlayContext.put(intent)
+        return intent
+    }
+
+    /**
      * Create and submit a new notification with the given [content]
      */
     private fun createNotification(context: Context, content: NotificationContent): FrostNotification =
         with(content) {
-            val intent = Intent(context, FrostWebActivity::class.java)
-            // TODO temp fix; we will show notification page for dependent urls. We can trigger a click next time
-            intent.data = Uri.parse(if (href.isIndependent) href else FbItem.NOTIFICATIONS.url)
-            intent.putExtra(ARG_USER_ID, data.id)
-            overlayContext.put(intent)
-            bindRequest(intent, content, data.cookie)
-
+            val intent = createCommonIntent(context, content.data.id)
+            putContentExtra(intent, content)
             val group = "${groupPrefix}_${data.id}"
             val pendingIntent = PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)
             val notifBuilder = context.frostNotification(channelId)
@@ -266,7 +283,8 @@ data class NotificationContent(
     val title: String? = null, // defaults to frost title
     val text: String,
     val timestamp: Long,
-    val profileUrl: String?
+    val profileUrl: String?,
+    val unread: Boolean
 ) {
 
     val notifId = Math.abs(id.toInt())
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/services/NotificationService.kt b/app/src/main/kotlin/com/pitchedapps/frost/services/NotificationService.kt
index 760c681a..0eee5558 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/services/NotificationService.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/services/NotificationService.kt
@@ -27,6 +27,7 @@ import com.pitchedapps.frost.db.selectAll
 import com.pitchedapps.frost.utils.L
 import com.pitchedapps.frost.utils.Prefs
 import com.pitchedapps.frost.utils.frostEvent
+import com.pitchedapps.frost.widgets.NotificationWidget
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
@@ -105,6 +106,9 @@ class NotificationService : BaseJobService() {
         L.i { "Sent $notifCount notifications" }
         if (notifCount == 0 && jobId == NOTIFICATION_JOB_NOW)
             generalNotification(665, R.string.no_new_notifications, BuildConfig.DEBUG)
+        if (notifCount > 0) {
+            NotificationWidget.forceUpdate(this@NotificationService)
+        }
     }
 
     /**
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/utils/TimeUtils.kt b/app/src/main/kotlin/com/pitchedapps/frost/utils/TimeUtils.kt
new file mode 100644
index 00000000..c0feab1e
--- /dev/null
+++ b/app/src/main/kotlin/com/pitchedapps/frost/utils/TimeUtils.kt
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2019 Allan Wang
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.pitchedapps.frost.utils
+
+import android.content.Context
+import ca.allanwang.kau.utils.string
+import com.pitchedapps.frost.R
+import java.text.DateFormat
+import java.text.SimpleDateFormat
+import java.util.Calendar
+import java.util.Date
+import java.util.Locale
+
+/**
+ * Converts time in millis to readable date,
+ * eg Apr 24 at 7:32 PM
+ *
+ * With regards to date modifications in calendars,
+ * it appears to respect calendar rules;
+ * see https://stackoverflow.com/a/43227817/4407321
+ */
+fun Long.toReadableTime(context: Context): String {
+    val cal = Calendar.getInstance()
+    cal.timeInMillis = this
+    val timeFormatter = SimpleDateFormat.getTimeInstance(DateFormat.SHORT)
+    val time = timeFormatter.format(Date(this))
+    val day = when {
+        cal >= Calendar.getInstance().apply { add(Calendar.DAY_OF_MONTH, -1) } -> context.string(R.string.today)
+        cal >= Calendar.getInstance().apply { add(Calendar.DAY_OF_MONTH, -2) } -> context.string(R.string.yesterday)
+        else -> {
+            val dayFormatter = SimpleDateFormat("MMM dd", Locale.getDefault())
+            dayFormatter.format(Date(this))
+        }
+    }
+    return context.getString(R.string.time_template, day, time)
+}
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/utils/Utils.kt b/app/src/main/kotlin/com/pitchedapps/frost/utils/Utils.kt
index 711d7e18..76ffd8cd 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/utils/Utils.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/utils/Utils.kt
@@ -186,7 +186,7 @@ fun MaterialDialog.Builder.theme(): MaterialDialog.Builder {
 }
 
 fun Activity.setFrostTheme(forceTransparent: Boolean = false) {
-    val isTransparent = (Color.alpha(Prefs.bgColor) != 255) || forceTransparent
+    val isTransparent = (Color.alpha(Prefs.bgColor) != 255) || (Color.alpha(Prefs.headerColor) != 255) || forceTransparent
     if (Prefs.bgColor.isColorDark)
         setTheme(if (isTransparent) R.style.FrostTheme_Transparent else R.style.FrostTheme)
     else
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/widgets/NotificationWidget.kt b/app/src/main/kotlin/com/pitchedapps/frost/widgets/NotificationWidget.kt
new file mode 100644
index 00000000..594da00a
--- /dev/null
+++ b/app/src/main/kotlin/com/pitchedapps/frost/widgets/NotificationWidget.kt
@@ -0,0 +1,194 @@
+/*
+ * Copyright 2019 Allan Wang
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.pitchedapps.frost.widgets
+
+import android.app.PendingIntent
+import android.appwidget.AppWidgetManager
+import android.appwidget.AppWidgetProvider
+import android.content.ComponentName
+import android.content.Context
+import android.content.Intent
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.graphics.Canvas
+import android.graphics.Paint
+import android.graphics.PorterDuff
+import android.graphics.PorterDuffColorFilter
+import android.graphics.drawable.Icon
+import android.os.Build
+import android.widget.RemoteViews
+import android.widget.RemoteViewsService
+import androidx.annotation.ColorInt
+import androidx.annotation.DrawableRes
+import androidx.annotation.IdRes
+import ca.allanwang.kau.utils.dimenPixelSize
+import ca.allanwang.kau.utils.withAlpha
+import com.pitchedapps.frost.R
+import com.pitchedapps.frost.activities.MainActivity
+import com.pitchedapps.frost.db.NotificationDao
+import com.pitchedapps.frost.db.selectNotificationsSync
+import com.pitchedapps.frost.glide.FrostGlide
+import com.pitchedapps.frost.glide.GlideApp
+import com.pitchedapps.frost.services.NotificationContent
+import com.pitchedapps.frost.services.NotificationType
+import com.pitchedapps.frost.utils.Prefs
+import com.pitchedapps.frost.utils.toReadableTime
+import org.koin.standalone.KoinComponent
+import org.koin.standalone.inject
+
+class NotificationWidget : AppWidgetProvider() {
+
+    override fun onUpdate(context: Context, appWidgetManager: AppWidgetManager, appWidgetIds: IntArray) {
+        super.onUpdate(context, appWidgetManager, appWidgetIds)
+        val type = NotificationType.GENERAL
+        val userId = Prefs.userId
+        val intent = NotificationWidgetService.createIntent(context, type, userId)
+        for (id in appWidgetIds) {
+            val views = RemoteViews(context.packageName, R.layout.widget_notifications)
+
+            views.setBackgroundColor(R.id.widget_layout_toolbar, Prefs.headerColor)
+            views.setIcon(R.id.img_frost, context, R.drawable.frost_f_24, Prefs.iconColor)
+            views.setOnClickPendingIntent(
+                R.id.img_frost,
+                PendingIntent.getActivity(context, 0, Intent(context, MainActivity::class.java), 0)
+            )
+
+            views.setBackgroundColor(R.id.widget_notification_list, Prefs.bgColor)
+            views.setRemoteAdapter(R.id.widget_notification_list, intent)
+
+            val pendingIntentTemplate = PendingIntent.getActivity(
+                context,
+                0,
+                type.createCommonIntent(context, userId),
+                PendingIntent.FLAG_UPDATE_CURRENT
+            )
+
+            views.setPendingIntentTemplate(R.id.widget_notification_list, pendingIntentTemplate)
+
+            appWidgetManager.updateAppWidget(id, views)
+        }
+        appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetIds, R.id.widget_notification_list)
+    }
+
+    companion object {
+        fun forceUpdate(context: Context) {
+            val manager = AppWidgetManager.getInstance(context)
+            val ids = manager.getAppWidgetIds(ComponentName(context, NotificationWidget::class.java))
+            val intent = Intent().apply {
+                action = AppWidgetManager.ACTION_APPWIDGET_UPDATE
+                putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, ids)
+            }
+            context.sendBroadcast(intent)
+        }
+    }
+}
+
+private const val NOTIF_WIDGET_TYPE = "notif_widget_type"
+private const val NOTIF_WIDGET_USER_ID = "notif_widget_user_id"
+
+private fun RemoteViews.setBackgroundColor(@IdRes viewId: Int, @ColorInt color: Int) {
+    setInt(viewId, "setBackgroundColor", color)
+}
+
+/**
+ * Adds backward compatibility to setting tinted icons
+ */
+private fun RemoteViews.setIcon(@IdRes viewId: Int, context: Context, @DrawableRes res: Int, @ColorInt color: Int) {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+        val icon = Icon.createWithResource(context, res).setTint(color).setTintMode(PorterDuff.Mode.SRC_IN)
+        setImageViewIcon(viewId, icon)
+    } else {
+        val bitmap = BitmapFactory.decodeResource(context.resources, res)
+        if (bitmap != null) {
+            val paint = Paint()
+            paint.colorFilter = PorterDuffColorFilter(color, PorterDuff.Mode.SRC_IN)
+            val result = Bitmap.createBitmap(bitmap.width, bitmap.height, Bitmap.Config.ARGB_8888)
+            val canvas = Canvas(result)
+            canvas.drawBitmap(bitmap, 0f, 0f, paint)
+            setImageViewBitmap(viewId, result)
+        } else {
+            // Fallback to just icon
+            setImageViewResource(viewId, res)
+        }
+    }
+}
+
+class NotificationWidgetService : RemoteViewsService() {
+    override fun onGetViewFactory(intent: Intent): RemoteViewsFactory = NotificationWidgetDataProvider(this, intent)
+
+    companion object {
+        fun createIntent(context: Context, type: NotificationType, userId: Long): Intent =
+            Intent(context, NotificationWidgetService::class.java)
+                .putExtra(NOTIF_WIDGET_TYPE, type.name)
+                .putExtra(NOTIF_WIDGET_USER_ID, userId)
+    }
+}
+
+class NotificationWidgetDataProvider(val context: Context, val intent: Intent) : RemoteViewsService.RemoteViewsFactory,
+    KoinComponent {
+
+    private val notifDao: NotificationDao by inject()
+    @Volatile
+    private var content: List<NotificationContent> = emptyList()
+
+    private val type = NotificationType.valueOf(intent.getStringExtra(NOTIF_WIDGET_TYPE))
+
+    private val userId = intent.getLongExtra(NOTIF_WIDGET_USER_ID, -1)
+
+    private val avatarSize = context.dimenPixelSize(R.dimen.avatar_image_size)
+
+    private val glide = GlideApp.with(context).asBitmap()
+
+    private fun loadNotifications() {
+        content = notifDao.selectNotificationsSync(userId, type.channelId)
+    }
+
+    override fun onCreate() {
+    }
+
+    override fun onDataSetChanged() {
+        loadNotifications()
+    }
+
+    override fun getLoadingView(): RemoteViews? = null
+
+    override fun getItemId(position: Int): Long = content[position].id
+
+    override fun hasStableIds(): Boolean = true
+
+    override fun getViewAt(position: Int): RemoteViews {
+        val views = RemoteViews(context.packageName, R.layout.widget_notification_item)
+        val notif = content[position]
+        views.setBackgroundColor(R.id.item_frame, Prefs.nativeBgColor(notif.unread))
+        views.setTextColor(R.id.item_content, Prefs.textColor)
+        views.setTextViewText(R.id.item_content, notif.text)
+        views.setTextColor(R.id.item_date, Prefs.textColor.withAlpha(150))
+        views.setTextViewText(R.id.item_date, notif.timestamp.toReadableTime(context))
+
+        val avatar = glide.load(notif.profileUrl).transform(FrostGlide.circleCrop).submit(avatarSize, avatarSize).get()
+        views.setImageViewBitmap(R.id.item_avatar, avatar)
+        views.setOnClickFillInIntent(R.id.item_frame, type.putContentExtra(Intent(), notif))
+        return views
+    }
+
+    override fun getCount(): Int = content.size
+
+    override fun getViewTypeCount(): Int = 1
+
+    override fun onDestroy() {
+    }
+}
diff --git a/app/src/main/res/drawable/notification_widget_preview.xml b/app/src/main/res/drawable/notification_widget_preview.xml
new file mode 100644
index 00000000..a03fd362
--- /dev/null
+++ b/app/src/main/res/drawable/notification_widget_preview.xml
@@ -0,0 +1,48 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="30dp"
+    android:height="40dp"
+    android:viewportWidth="300"
+    android:viewportHeight="400">
+  <path
+      android:pathData="M0,0h300v400H0V0z"
+      android:fillColor="#fafafa"/>
+  <path
+      android:pathData="M0,0h300v50H0V0z"
+      android:fillColor="@color/facebook_blue"/>
+  <path
+      android:pathData="M65,170a20,20 0,1 1,-40 0,20 20,0 0,1 40,0z"
+      android:fillColor="#DE000000"/>
+  <path
+      android:pathData="M85,150h184v11H85v-11z"
+      android:fillColor="#DE000000"/>
+  <path
+      android:pathData="M85,179h146v11H85v-11z"
+      android:fillColor="#DE000000"/>
+  <path
+      android:pathData="M65,95a20,20 0,1 1,-40 0,20 20,0 0,1 40,0z"
+      android:fillColor="#DE000000"/>
+  <path
+      android:pathData="M85,75h184v11H85V75z"
+      android:fillColor="#DE000000"/>
+  <path
+      android:pathData="M85,104h146v11H85v-11z"
+      android:fillColor="#DE000000"/>
+  <path
+      android:pathData="M65,245a20,20 0,1 1,-40 0,20 20,0 0,1 40,0z"
+      android:fillColor="#DE000000"/>
+  <path
+      android:pathData="M85,225h184v11H85v-11z"
+      android:fillColor="#DE000000"/>
+  <path
+      android:pathData="M85,254h146v11H85v-11z"
+      android:fillColor="#DE000000"/>
+  <path
+      android:pathData="M65,320a20,20 0,1 1,-40 0,20 20,0 0,1 40,0z"
+      android:fillColor="#DE000000"/>
+  <path
+      android:pathData="M85,300h184v11H85v-11z"
+      android:fillColor="#DE000000"/>
+  <path
+      android:pathData="M85,329h146v11H85v-11z"
+      android:fillColor="#DE000000"/>
+</vector>
diff --git a/app/src/main/res/layout/widget_notification_item.xml b/app/src/main/res/layout/widget_notification_item.xml
new file mode 100644
index 00000000..f36f2766
--- /dev/null
+++ b/app/src/main/res/layout/widget_notification_item.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/item_frame"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?android:selectableItemBackground"
+    android:orientation="horizontal"
+    android:paddingStart="@dimen/kau_activity_horizontal_margin"
+    android:paddingTop="@dimen/kau_activity_vertical_margin"
+    android:paddingEnd="@dimen/kau_activity_horizontal_margin"
+    android:paddingBottom="@dimen/kau_activity_vertical_margin">
+
+    <ImageView
+        android:id="@+id/item_avatar"
+        android:layout_width="@dimen/avatar_image_size"
+        android:layout_height="@dimen/avatar_image_size" />
+
+    <!--
+    Unlike the actual notification panel,
+    we do not show thumbnails, and we limit the title length
+    -->
+
+    <LinearLayout
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="@dimen/kau_padding_normal"
+        android:layout_weight="1"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/item_content"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ellipsize="end"
+            android:lines="2" />
+
+        <TextView
+            android:id="@+id/item_date"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ellipsize="end"
+            android:lines="1"
+            android:textSize="12sp" />
+
+    </LinearLayout>
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/widget_notifications.xml b/app/src/main/res/layout/widget_notifications.xml
new file mode 100644
index 00000000..4c42be85
--- /dev/null
+++ b/app/src/main/res/layout/widget_notifications.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/widget_layout_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <LinearLayout
+        android:id="@+id/widget_layout_toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:paddingStart="@dimen/kau_padding_small"
+        android:paddingEnd="@dimen/kau_padding_small">
+
+        <ImageView
+            android:id="@+id/img_frost"
+            android:layout_width="@dimen/toolbar_icon_size"
+            android:layout_height="@dimen/toolbar_icon_size"
+            android:layout_gravity="center_vertical"
+            android:layout_margin="@dimen/kau_padding_small"
+            android:background="?android:selectableItemBackgroundBorderless" />
+
+    </LinearLayout>
+
+    <ListView
+        android:id="@+id/widget_notification_list"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1" />
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 713bd1b4..847e74cb 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -9,4 +9,6 @@
     <dimen name="tab_bar_height">50dp</dimen>
     <dimen name="intro_bar_height">64dp</dimen>
     <dimen name="badge_icon_size">20dp</dimen>
+
+    <dimen name="toolbar_icon_size">24dp</dimen>
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 5fd35613..0c2e625c 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -62,4 +62,16 @@
 
     <string name="no_new_notifications">No new notifications found</string>
 
+    <string name="today">Today</string>
+    <string name="yesterday">Today</string>
+    <!--
+    Template used to display human readable string;
+    For instance:
+    Today at 1:23 PM
+    Mar 13 at 9:00 AM
+
+    The first element is the day, and the second element is the time
+    -->
+    <string name="time_template">%1s at %2s</string>
+
 </resources>
diff --git a/app/src/main/res/xml/frost_changelog.xml b/app/src/main/res/xml/frost_changelog.xml
index 1895e46f..560b1111 100644
--- a/app/src/main/res/xml/frost_changelog.xml
+++ b/app/src/main/res/xml/frost_changelog.xml
@@ -6,12 +6,22 @@
     <item text="" />
     -->
 
+    <version title="v2.3.0" />
+    <item text="Converted internals of Facebook data storage; auto migration will only work from 2.2.x to 2.3.x" />
+    <item text="Added notification widget" />
+    <item text="" />
+    <item text="" />
+    <item text="" />
+    <item text="" />
+    <item text="" />
+    <item text="" />
+    <item text="" />
+
     <version title="v2.2.4" />
     <item text="Show top bar to allow sharing posts" />
     <item text="Fix unmuting videos when autoplay is enabled" />
     <item text="Add shortcut to toggle autoplay in settings > behaviour" />
     <item text="Update theme" />
-    <item text="" />
 
     <version title="v2.2.3" />
     <item text="Add ability to hide stories" />
diff --git a/app/src/main/res/xml/notification_widget_info.xml b/app/src/main/res/xml/notification_widget_info.xml
new file mode 100644
index 00000000..c14bbfb2
--- /dev/null
+++ b/app/src/main/res/xml/notification_widget_info.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+For sizing see:
+https://developer.android.com/guide/practices/ui_guidelines/widget_design.html#anatomy_determining_size
+-->
+<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
+    android:initialKeyguardLayout="@layout/widget_notifications"
+    android:initialLayout="@layout/widget_notifications"
+    android:minWidth="180dp"
+    android:minHeight="250dp"
+    android:previewImage="@drawable/notification_widget_preview" />
diff --git a/app/src/schemas/com.pitchedapps.frost.db.FrostPrivateDatabase/1.json b/app/src/schemas/com.pitchedapps.frost.db.FrostPrivateDatabase/1.json
index 60d5cddd..a0cc2c2a 100644
--- a/app/src/schemas/com.pitchedapps.frost.db.FrostPrivateDatabase/1.json
+++ b/app/src/schemas/com.pitchedapps.frost.db.FrostPrivateDatabase/1.json
@@ -2,7 +2,7 @@
   "formatVersion": 1,
   "database": {
     "version": 1,
-    "identityHash": "0a9d994786b7e07fea95c11d9210ce0e",
+    "identityHash": "fe8f5b6c27f48d7e0733ee6819f06f40",
     "entities": [
       {
         "tableName": "cookies",
@@ -38,7 +38,7 @@
       },
       {
         "tableName": "notifications",
-        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`notif_id` INTEGER NOT NULL, `userId` INTEGER NOT NULL, `href` TEXT NOT NULL, `title` TEXT, `text` TEXT NOT NULL, `timestamp` INTEGER NOT NULL, `profileUrl` TEXT, `type` TEXT NOT NULL, PRIMARY KEY(`notif_id`, `userId`), FOREIGN KEY(`userId`) REFERENCES `cookies`(`cookie_id`) ON UPDATE NO ACTION ON DELETE CASCADE )",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`notif_id` INTEGER NOT NULL, `userId` INTEGER NOT NULL, `href` TEXT NOT NULL, `title` TEXT, `text` TEXT NOT NULL, `timestamp` INTEGER NOT NULL, `profileUrl` TEXT, `type` TEXT NOT NULL, `unread` INTEGER NOT NULL, PRIMARY KEY(`notif_id`, `userId`), FOREIGN KEY(`userId`) REFERENCES `cookies`(`cookie_id`) ON UPDATE NO ACTION ON DELETE CASCADE )",
         "fields": [
           {
             "fieldPath": "id",
@@ -87,6 +87,12 @@
             "columnName": "type",
             "affinity": "TEXT",
             "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
           }
         ],
         "primaryKey": {
@@ -183,7 +189,7 @@
     "views": [],
     "setupQueries": [
       "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
-      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, \"0a9d994786b7e07fea95c11d9210ce0e\")"
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, \"fe8f5b6c27f48d7e0733ee6819f06f40\")"
     ]
   }
 }
\ No newline at end of file