Glimpse: Allow specifying where to apply the wallpaper

Change-Id: I655e88d4c00cdee1014d15e4880214617623929e

app/src/main/java/org/lineageos/glimpse/SetWallpaperActivity.kt

@@ -6,11 +6,13 @@
 package org.lineageos.glimpse
 
 import android.app.WallpaperManager
+import android.net.Uri
 import android.os.Bundle
 import android.widget.ImageView
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import com.google.android.material.button.MaterialButton
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 
 class SetWallpaperActivity : AppCompatActivity(R.layout.activity_set_wallpaper) {
     // Views
@@ -43,11 +45,27 @@ class SetWallpaperActivity : AppCompatActivity(R.layout.activity_set_wallpaper)
 
         // Set wallpaper
         setWallpaperButton.setOnClickListener {
-            contentResolver.openInputStream(wallpaperUri)?.use {
-                wallpaperManager.setStream(it)
-            }
+            MaterialAlertDialogBuilder(this, R.style.Theme_Glimpse_SetWallpaperDialog)
+                .setTitle(R.string.set_wallpaper_dialog_title)
+                .setItems(R.array.set_wallpaper_items) { _, which ->
+                    val flags = POSITION_TO_FLAG[which] ?: throw Exception("Invalid position")
+                    setWallpaper(wallpaperUri, flags)
+                    finish()
+                }.show()
+        }
+    }
 
-            finish()
+    private fun setWallpaper(uri: Uri, flags: Int) {
+        contentResolver.openInputStream(uri)?.use {
+            wallpaperManager.setStream(it, null, true, flags)
         }
     }
+
+    companion object {
+        private val POSITION_TO_FLAG = mapOf(
+            0 to WallpaperManager.FLAG_SYSTEM,
+            1 to WallpaperManager.FLAG_LOCK,
+            2 to (WallpaperManager.FLAG_SYSTEM or WallpaperManager.FLAG_LOCK)
+        )
+    }
 }

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

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     SPDX-FileCopyrightText: 2019 The Android Open Source Project
+     SPDX-License-Identifier: Apache-2.0
+-->
+
+<!--
+    This layout file is used by the AlertDialog when displaying a list of items.
+    This layout file is inflated and used as the TextView to display individual
+    items.
+-->
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@android:id/text1"
+    style="?attr/materialAlertDialogBodyTextStyle"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:ellipsize="marquee"
+    android:gravity="center_vertical"
+    android:minHeight="?attr/listPreferredItemHeightSmall"
+    android:paddingStart="?attr/listPreferredItemPaddingLeft"
+    android:paddingEnd="?attr/listPreferredItemPaddingRight" />

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

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     SPDX-FileCopyrightText: 2024 The LineageOS Project
+     SPDX-License-Identifier: Apache-2.0
+-->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <string-array translatable="false" name="set_wallpaper_items">
+        <item>@string/set_wallpaper_home_screen</item>
+        <item>@string/set_wallpaper_lock_screen</item>
+        <item>@string/set_wallpaper_both</item>
+    </string-array>
+</resources>

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

@@ -117,4 +117,8 @@
     <!-- Wallpaper -->
     <string name="set_wallpaper_label">Wallpaper</string>
     <string name="set_wallpaper">Set wallpaper</string>
+    <string name="set_wallpaper_dialog_title">Set wallpaper on</string>
+    <string name="set_wallpaper_home_screen">Home screen</string>
+    <string name="set_wallpaper_lock_screen">Lock screen</string>
+    <string name="set_wallpaper_both">Home and lock screen</string>
 </resources>

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

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-     SPDX-FileCopyrightText: 2023 The LineageOS Project
+     SPDX-FileCopyrightText: 2023-2024 The LineageOS Project
      SPDX-License-Identifier: Apache-2.0
 -->
 <resources xmlns:tools="http://schemas.android.com/tools">
@@ -99,4 +99,9 @@
         <item name="android:layout_width">match_parent</item>
         <item name="android:layout_height">wrap_content</item>
     </style>
+
+    <!-- Set wallpaper dialog theme -->
+    <style name="Theme.Glimpse.SetWallpaperDialog" parent="ThemeOverlay.Material3.MaterialAlertDialog.Centered">
+        <item name="listItemLayout">@layout/set_wallpaper_dialog_item</item>
+    </style>
 </resources>