From 445146b5318fb4f2004bdf7ba912280729338963 Mon Sep 17 00:00:00 2001
From: cketti <cketti@thunderbird.net>
Date: Wed, 19 Jul 2023 15:33:38 +0200
Subject: [PATCH] Add a CompositionLocal for getting the current Activity

---
 .../k9mail/feature/preview/FeatureActivity.kt |  4 ++--
 .../app/k9mail/ui/catalog/CatalogActivity.kt  |  4 ++--
 config/detekt/detekt.yml                      |  2 +-
 .../compose/common/activity/LocalActivity.kt  | 21 +++++++++++++++++++
 .../launcher/FeatureLauncherActivity.kt       |  4 ++--
 5 files changed, 28 insertions(+), 7 deletions(-)
 create mode 100644 core/ui/compose/common/src/main/kotlin/app/k9mail/core/ui/compose/common/activity/LocalActivity.kt

diff --git a/app-feature-preview/src/main/java/app/k9mail/feature/preview/FeatureActivity.kt b/app-feature-preview/src/main/java/app/k9mail/feature/preview/FeatureActivity.kt
index 596373364..77c90b7a4 100644
--- a/app-feature-preview/src/main/java/app/k9mail/feature/preview/FeatureActivity.kt
+++ b/app-feature-preview/src/main/java/app/k9mail/feature/preview/FeatureActivity.kt
@@ -2,9 +2,9 @@ package app.k9mail.feature.preview
 
 import android.os.Bundle
 import androidx.activity.ComponentActivity
-import androidx.activity.compose.setContent
 import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import androidx.core.view.WindowCompat
+import app.k9mail.core.ui.compose.common.activity.setActivityContent
 import app.k9mail.feature.preview.ui.FeatureApp
 
 class FeatureActivity : ComponentActivity() {
@@ -15,7 +15,7 @@ class FeatureActivity : ComponentActivity() {
 
         WindowCompat.setDecorFitsSystemWindows(window, false)
 
-        setContent {
+        setActivityContent {
             FeatureApp()
         }
     }
diff --git a/app-ui-catalog/src/main/java/app/k9mail/ui/catalog/CatalogActivity.kt b/app-ui-catalog/src/main/java/app/k9mail/ui/catalog/CatalogActivity.kt
index 458a19166..799e9c7d1 100644
--- a/app-ui-catalog/src/main/java/app/k9mail/ui/catalog/CatalogActivity.kt
+++ b/app-ui-catalog/src/main/java/app/k9mail/ui/catalog/CatalogActivity.kt
@@ -2,9 +2,9 @@ package app.k9mail.ui.catalog
 
 import android.os.Bundle
 import androidx.activity.ComponentActivity
-import androidx.activity.compose.setContent
 import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import androidx.core.view.WindowCompat
+import app.k9mail.core.ui.compose.common.activity.setActivityContent
 import app.k9mail.ui.catalog.ui.CatalogScreen
 
 class CatalogActivity : ComponentActivity() {
@@ -15,7 +15,7 @@ class CatalogActivity : ComponentActivity() {
 
         WindowCompat.setDecorFitsSystemWindows(window, false)
 
-        setContent {
+        setActivityContent {
             CatalogScreen()
         }
     }
diff --git a/config/detekt/detekt.yml b/config/detekt/detekt.yml
index aea91bcca..dc234b904 100644
--- a/config/detekt/detekt.yml
+++ b/config/detekt/detekt.yml
@@ -792,7 +792,7 @@ style:
 Compose:
   CompositionLocalAllowlist:
     active: true
-    allowedCompositionLocals: [LocalColors, LocalElevations, LocalImages, LocalShapes, LocalSizes, LocalSpacings]
+    allowedCompositionLocals: [LocalColors, LocalElevations, LocalImages, LocalShapes, LocalSizes, LocalSpacings, LocalActivity]
   ContentEmitterReturningValues:
     active: true
   ModifierComposable:
diff --git a/core/ui/compose/common/src/main/kotlin/app/k9mail/core/ui/compose/common/activity/LocalActivity.kt b/core/ui/compose/common/src/main/kotlin/app/k9mail/core/ui/compose/common/activity/LocalActivity.kt
new file mode 100644
index 000000000..84293ea29
--- /dev/null
+++ b/core/ui/compose/common/src/main/kotlin/app/k9mail/core/ui/compose/common/activity/LocalActivity.kt
@@ -0,0 +1,21 @@
+package app.k9mail.core.ui.compose.common.activity
+
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionContext
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.staticCompositionLocalOf
+
+val LocalActivity = staticCompositionLocalOf<ComponentActivity> {
+    error("No value for LocalActivity provided")
+}
+
+fun ComponentActivity.setActivityContent(
+    parent: CompositionContext? = null,
+    content: @Composable () -> Unit,
+) {
+    setContent(parent) {
+        CompositionLocalProvider(LocalActivity provides this, content = content)
+    }
+}
diff --git a/feature/launcher/src/main/kotlin/app/k9mail/feature/launcher/FeatureLauncherActivity.kt b/feature/launcher/src/main/kotlin/app/k9mail/feature/launcher/FeatureLauncherActivity.kt
index 93049c832..fe1be03d4 100644
--- a/feature/launcher/src/main/kotlin/app/k9mail/feature/launcher/FeatureLauncherActivity.kt
+++ b/feature/launcher/src/main/kotlin/app/k9mail/feature/launcher/FeatureLauncherActivity.kt
@@ -4,8 +4,8 @@ import android.app.Activity
 import android.content.Intent
 import android.os.Bundle
 import androidx.activity.ComponentActivity
-import androidx.activity.compose.setContent
 import androidx.core.view.WindowCompat
+import app.k9mail.core.ui.compose.common.activity.setActivityContent
 import app.k9mail.feature.account.setup.navigation.NAVIGATION_ROUTE_ACCOUNT_SETUP
 import app.k9mail.feature.launcher.ui.FeatureLauncherApp
 import app.k9mail.feature.onboarding.navigation.NAVIGATION_ROUTE_ONBOARDING
@@ -19,7 +19,7 @@ class FeatureLauncherActivity : ComponentActivity() {
 
         val destination = intent.getStringExtra(EXTRA_DESTINATION)
 
-        setContent {
+        setActivityContent {
             FeatureLauncherApp(startDestination = destination)
         }
     }