[AND-243] Save attachments on attachment picker dismiss

CHANGELOG.md

@@ -66,6 +66,7 @@
 ### ⬆️ Improved
 
 ### ✅ Added
+- Add `AttachmentsPickerDialogStyle::saveAttachmentsOnDismiss` flag for configuring whether the selected attachments should be saved when the dialog is dismissed. [#5554](https://github.com/GetStream/stream-chat-android/pull/5554)
 
 ### ⚠️ Changed
 
@@ -80,6 +81,7 @@
 - Create snapshot tests for channels stateless components. [#5570](https://github.com/GetStream/stream-chat-android/pull/5570)
 
 ### ✅ Added
+- Add `AttachmentsPickerTheme::saveAttachmentsOnDismiss` flag for configuring whether the selected attachments should be saved when the dialog is dismissed. [#5554](https://github.com/GetStream/stream-chat-android/pull/5554)
 
 ### ⚠️ Changed
 

stream-chat-android-compose/api/stream-chat-android-compose.api

@@ -2039,16 +2039,18 @@ public final class io/getstream/chat/android/compose/ui/pinned/PinnedMessageList
 public final class io/getstream/chat/android/compose/ui/theme/AttachmentPickerTheme {
 	public static final field $stable I
 	public static final field Companion Lio/getstream/chat/android/compose/ui/theme/AttachmentPickerTheme$Companion;
-	public synthetic fun <init> (JJJLkotlin/jvm/internal/DefaultConstructorMarker;)V
+	public synthetic fun <init> (JJJZLkotlin/jvm/internal/DefaultConstructorMarker;)V
 	public final fun component1-0d7_KjU ()J
 	public final fun component2-0d7_KjU ()J
 	public final fun component3-0d7_KjU ()J
-	public final fun copy-ysEtTa8 (JJJ)Lio/getstream/chat/android/compose/ui/theme/AttachmentPickerTheme;
-	public static synthetic fun copy-ysEtTa8$default (Lio/getstream/chat/android/compose/ui/theme/AttachmentPickerTheme;JJJILjava/lang/Object;)Lio/getstream/chat/android/compose/ui/theme/AttachmentPickerTheme;
+	public final fun component4 ()Z
+	public final fun copy-qwTeutE (JJJZ)Lio/getstream/chat/android/compose/ui/theme/AttachmentPickerTheme;
+	public static synthetic fun copy-qwTeutE$default (Lio/getstream/chat/android/compose/ui/theme/AttachmentPickerTheme;JJJZILjava/lang/Object;)Lio/getstream/chat/android/compose/ui/theme/AttachmentPickerTheme;
 	public fun equals (Ljava/lang/Object;)Z
 	public final fun getBackgroundOverlay-0d7_KjU ()J
 	public final fun getBackgroundPrimary-0d7_KjU ()J
 	public final fun getBackgroundSecondary-0d7_KjU ()J
+	public final fun getSaveAttachmentsOnDismiss ()Z
 	public fun hashCode ()I
 	public fun toString ()Ljava/lang/String;
 }

stream-chat-android-compose/src/main/java/io/getstream/chat/android/compose/ui/messages/attachments/AttachmentsPicker.kt

@@ -16,6 +16,7 @@
 
 package io.getstream.chat.android.compose.ui.messages.attachments
 
+import androidx.activity.compose.BackHandler
 import androidx.compose.animation.AnimatedContent
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
@@ -85,6 +86,14 @@ public fun AttachmentsPicker(
     tabFactories: List<AttachmentsPickerTabFactory> = ChatTheme.attachmentsPickerTabFactories,
     shape: Shape = ChatTheme.shapes.bottomSheet,
 ) {
+    val saveAttachmentsOnDismiss = ChatTheme.attachmentPickerTheme.saveAttachmentsOnDismiss
+    val dismissAction = {
+        if (saveAttachmentsOnDismiss) {
+            onAttachmentsSelected(attachmentsPickerViewModel.getSelectedAttachments())
+        }
+        onDismiss()
+    }
+    BackHandler(onBack = dismissAction)
     val defaultTabIndex = tabFactories
         .indexOfFirst { it.isPickerTabEnabled(attachmentsPickerViewModel.channel) }
         .takeIf { it >= 0 }
@@ -98,7 +107,7 @@ public fun AttachmentsPicker(
             .safeDrawingPadding()
             .fillMaxSize()
             .clickable(
-                onClick = onDismiss,
+                onClick = dismissAction,
                 indication = null,
                 interactionSource = remember { MutableInteractionSource() },
             ),
@@ -150,7 +159,7 @@ public fun AttachmentsPicker(
                             ?.PickerTabContent(
                                 onAttachmentPickerAction = { pickerAction ->
                                     when (pickerAction) {
-                                        AttachmentPickerBack -> onDismiss.invoke()
+                                        AttachmentPickerBack -> dismissAction()
                                         is AttachmentPickerPollCreation -> onAttachmentPickerAction.invoke(pickerAction)
                                     }
                                 },

stream-chat-android-compose/src/main/java/io/getstream/chat/android/compose/ui/theme/AttachmentPickerTheme.kt

@@ -27,12 +27,14 @@ import androidx.compose.ui.graphics.Color
  * @param backgroundOverlay The overlay background color.
  * @param backgroundSecondary The secondary background color.
  * @param backgroundPrimary The primary background color.
+ * @param saveAttachmentsOnDismiss If the selected attachments should be saved when the picker is dismissed.
  */
 @Immutable
 public data class AttachmentPickerTheme(
     val backgroundOverlay: Color,
     val backgroundSecondary: Color,
     val backgroundPrimary: Color,
+    val saveAttachmentsOnDismiss: Boolean,
 ) {
 
     public companion object {
@@ -53,6 +55,7 @@ public data class AttachmentPickerTheme(
                 backgroundOverlay = colors.overlay,
                 backgroundSecondary = colors.inputBackground,
                 backgroundPrimary = colors.barsBackground,
+                saveAttachmentsOnDismiss = false,
             )
         }
     }