Added a toggle to keep the screen active and a recipe deletion button

app/src/main/java/xyz/pixelatedw/recipe/MainActivity.kt

@@ -1,6 +1,7 @@
 package xyz.pixelatedw.recipe
 
 import android.os.Bundle
+import android.view.WindowManager
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
@@ -19,7 +20,7 @@ import xyz.pixelatedw.recipe.utils.getRecipes
 
 class MainActivity : ComponentActivity() {
 	private val recipeView: RecipesView by viewModels()
-	private lateinit var db: AppDatabase
+	lateinit var db: AppDatabase
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)

app/src/main/java/xyz/pixelatedw/recipe/data/Recipe.kt

@@ -5,6 +5,7 @@ import android.graphics.Bitmap
 import android.graphics.BitmapFactory
 import androidx.core.net.toUri
 import androidx.room.Dao
+import androidx.room.Delete
 import androidx.room.Entity
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
@@ -37,4 +38,7 @@ data class Recipe(
 interface RecipeDao {
 	@Insert(onConflict = OnConflictStrategy.REPLACE)
 	fun insert(recipe: Recipe)
+
+	@Delete
+	fun delete(recipe: Recipe)
 }

app/src/main/java/xyz/pixelatedw/recipe/data/RecipeWithTags.kt

@@ -2,6 +2,7 @@ package xyz.pixelatedw.recipe.data
 
 import android.os.Parcelable
 import androidx.room.Dao
+import androidx.room.Delete
 import androidx.room.Embedded
 import androidx.room.Entity
 import androidx.room.Insert
@@ -42,4 +43,7 @@ interface RecipeWithTagsDao {
 
 	@Insert(onConflict = OnConflictStrategy.REPLACE)
 	fun insert(recipe: RecipeTag)
+
+	@Query("DELETE FROM recipe WHERE recipe.title = :recipe")
+	fun delete(recipe: String)
 }

app/src/main/java/xyz/pixelatedw/recipe/data/RecipesView.kt

@@ -15,10 +15,21 @@ class RecipesView : ViewModel() {
 	private val _search = MutableStateFlow<String?>(null)
 	val search = _search.asStateFlow()
 
+	private val _keepScreenOn = MutableStateFlow<Boolean>(false)
+	val keepScreenOn = _keepScreenOn.asStateFlow()
+
+	fun setKeepScreenOn(flag: Boolean) {
+		_keepScreenOn.update { flag }
+	}
+
 	fun setRecipes(recipes: List<RecipeWithTags>) {
 		_recipes.update { recipes }
 	}
 
+	fun removeRecipe(recipe: RecipeWithTags) {
+		_recipes.value = _recipes.value.toMutableList().apply { remove(recipe) }.toList()
+	}
+
 	fun setSearch(search: String) {
 		_search.update { search }
 	}

app/src/main/java/xyz/pixelatedw/recipe/data/Tag.kt

@@ -8,7 +8,8 @@ import androidx.room.PrimaryKey
 
 @Entity
 data class Tag(
-	@PrimaryKey val name: String
+	@PrimaryKey
+	val name: String
 )
 
 @Dao

app/src/main/java/xyz/pixelatedw/recipe/ui/components/MainScreen.kt

@@ -84,7 +84,7 @@ fun MainScreen(ctx: MainActivity, padding: PaddingValues, view: RecipesView) {
 			}
 		}
 		composable("info") {
-			RecipeInfo(padding, active.value!!)
+			RecipeInfo(ctx, view, navController, padding, active.value!!)
 		}
 	}
 }

app/src/main/java/xyz/pixelatedw/recipe/ui/components/RecipeDeletionDialog.kt

@@ -0,0 +1,53 @@
+package xyz.pixelatedw.recipe.ui.components
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Button
+import androidx.compose.material3.Card
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+
+@Composable
+fun RecipeDeletionDialog(onAccept: ( ) -> Unit, onDismiss: () -> Unit) {
+	Dialog(onDismissRequest = { onDismiss() }) {
+		Card(
+			modifier = Modifier
+				.fillMaxWidth()
+				.height(200.dp)
+				.padding(16.dp),
+			shape = RoundedCornerShape(16.dp),
+		) {
+			Box(
+				contentAlignment = Alignment.Center,
+				modifier = Modifier.height(100.dp).wrapContentSize(Alignment.Center)
+			) {
+				Text(
+					text = "Do you really wish to permanently delete this recipe ?",
+					textAlign = TextAlign.Center,
+				)
+			}
+
+			Row(modifier = Modifier.fillMaxWidth().padding(end = 16.dp), horizontalArrangement = Arrangement.End) {
+				TextButton(onClick = onDismiss) {
+					Text("Dismiss")
+				}
+				TextButton(onClick = onAccept) {
+					Text("Confirm")
+				}
+			}
+		}
+	}
+}

app/src/main/java/xyz/pixelatedw/recipe/ui/components/RecipeInfo.kt

@@ -1,26 +1,48 @@
 package xyz.pixelatedw.recipe.ui.components
 
+import android.view.WindowManager
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Switch
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
-import xyz.pixelatedw.recipe.data.Recipe
+import androidx.navigation.NavHostController
+import xyz.pixelatedw.recipe.MainActivity
 import xyz.pixelatedw.recipe.data.RecipeWithTags
+import xyz.pixelatedw.recipe.data.RecipesView
 import xyz.pixelatedw.recipe.utils.parseMarkdown
 
+@OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun RecipeInfo(padding: PaddingValues, active: RecipeWithTags) {
+fun RecipeInfo(
+	ctx: MainActivity,
+	view: RecipesView,
+	nav: NavHostController,
+	padding: PaddingValues,
+	active: RecipeWithTags
+) {
+	val keepScreen = view.keepScreenOn.collectAsState()
+	val openDeletionDialog = remember { mutableStateOf(false) }
+
 	Column(
 		modifier = Modifier
 			.verticalScroll(rememberScrollState())
@@ -28,7 +50,9 @@ fun RecipeInfo(padding: PaddingValues, active: RecipeWithTags) {
 	) {
 		Row(
 			horizontalArrangement = Arrangement.Center,
-			modifier = Modifier.fillMaxWidth()
+			modifier = Modifier
+				.fillMaxWidth()
+				.padding(top = 24.dp, bottom = 24.dp)
 		) {
 			Text(
 				text = active.recipe.title,
@@ -37,6 +61,55 @@ fun RecipeInfo(padding: PaddingValues, active: RecipeWithTags) {
 			)
 		}
 
+		Row(modifier = Modifier.fillMaxWidth()) {
+			Box(
+				modifier = Modifier
+					.fillMaxHeight()
+					.padding(start = 16.dp)
+			) {
+				Text(
+					text = "Keep Screen On",
+					style = MaterialTheme.typography.bodySmall,
+				)
+				Switch(
+					modifier = Modifier.padding(start = 16.dp, top = 16.dp),
+					checked = keepScreen.value,
+					onCheckedChange = {
+						view.setKeepScreenOn(it)
+						if (it) {
+							ctx.window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+						} else {
+							ctx.window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+						}
+					}
+				)
+			}
+			Row(
+				modifier = Modifier
+					.fillMaxWidth()
+					.padding(end = 16.dp),
+				horizontalArrangement = Arrangement.End
+			) {
+				Box(
+					modifier = Modifier
+						.fillMaxHeight()
+						.padding(start = 16.dp)
+				) {
+					Button(
+						onClick = {
+							openDeletionDialog.value = true
+						},
+						colors = ButtonDefaults.buttonColors(containerColor = Color.Red)
+					) {
+						Text(
+							text = "Delete",
+							style = MaterialTheme.typography.bodyMedium
+						)
+					}
+				}
+			}
+		}
+
 		Box(
 			modifier = Modifier.fillMaxWidth()
 		) {
@@ -48,4 +121,19 @@ fun RecipeInfo(padding: PaddingValues, active: RecipeWithTags) {
 			)
 		}
 	}
+
+	when {
+		openDeletionDialog.value -> {
+			RecipeDeletionDialog(
+				onAccept = {
+					view.removeRecipe(active)
+					ctx.db.recipeDao().delete(active.recipe)
+					ctx.db.recipeWithTagsDao().delete(active.recipe.title)
+					openDeletionDialog.value = false
+					nav.popBackStack()
+				},
+				onDismiss = { openDeletionDialog.value = false }
+			)
+		}
+	}
 }