Intercepts backhandler to save drafts

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/nip22Comments/GenericCommentPostScreen.kt

@@ -21,6 +21,7 @@
 package com.vitorpamplona.amethyst.ui.note.nip22Comments
 
 import android.net.Uri
+import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.horizontalScroll
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
@@ -135,6 +136,14 @@ fun GenericCommentPostScreen(
 ) {
     WatchAndLoadMyEmojiList(accountViewModel)
 
+    BackHandler {
+        accountViewModel.runIOCatching {
+            postViewModel.sendDraftSync()
+            postViewModel.cancel()
+        }
+        nav.popBack()
+    }
+
     Scaffold(
         topBar = {
             PostingTopBar(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/send/NewGroupDMScreen.kt

@@ -21,6 +21,7 @@
 package com.vitorpamplona.amethyst.ui.screen.loggedIn.chats.privateDM.send
 
 import android.net.Uri
+import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.horizontalScroll
 import androidx.compose.foundation.layout.Arrangement.Absolute.spacedBy
 import androidx.compose.foundation.layout.Box
@@ -165,6 +166,14 @@ fun NewGroupDMScreen(
 
     WatchAndLoadMyEmojiList(accountViewModel)
 
+    BackHandler {
+        accountViewModel.runIOCatching {
+            postViewModel.sendDraftSync()
+            postViewModel.cancel()
+        }
+        nav.popBack()
+    }
+
     Scaffold(
         topBar = {
             PostingTopBar(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/send/PrivateMessageEditFieldRow.kt

@@ -20,6 +20,7 @@
  */
 package com.vitorpamplona.amethyst.ui.screen.loggedIn.chats.privateDM.send
 
+import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -79,6 +80,14 @@ fun PrivateMessageEditFieldRow(
     onSendNewMessage: () -> Unit,
     nav: INav,
 ) {
+    BackHandler {
+        accountViewModel.runIOCatching {
+            channelScreenModel.sendDraftSync()
+            channelScreenModel.cancel()
+        }
+        nav.popBack()
+    }
+
     channelScreenModel.replyTo.value?.let {
         DisplayReplyingToNote(it, accountViewModel, nav) {
             channelScreenModel.clearReply()

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/publicChannels/send/EditFieldRow.kt

@@ -20,6 +20,7 @@
  */
 package com.vitorpamplona.amethyst.ui.screen.loggedIn.chats.publicChannels.send
 
+import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
@@ -60,6 +61,14 @@ fun EditFieldRow(
     onSendNewMessage: suspend () -> Unit,
     nav: INav,
 ) {
+    BackHandler {
+        accountViewModel.runIOCatching {
+            channelScreenModel.sendDraftSync()
+            channelScreenModel.cancel()
+        }
+        nav.popBack()
+    }
+
     channelScreenModel.replyTo.value?.let {
         DisplayReplyingToNote(it, accountViewModel, nav) {
             channelScreenModel.clearReply()

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/discover/nip99Classifieds/NewProductScreen.kt

@@ -21,6 +21,7 @@
 package com.vitorpamplona.amethyst.ui.screen.loggedIn.discover.nip99Classifieds
 
 import android.net.Uri
+import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.horizontalScroll
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
@@ -136,6 +137,14 @@ fun NewProductScreen(
 ) {
     WatchAndLoadMyEmojiList(accountViewModel)
 
+    BackHandler {
+        accountViewModel.runIOCatching {
+            postViewModel.sendDraftSync()
+            postViewModel.cancel()
+        }
+        nav.popBack()
+    }
+
     Scaffold(
         topBar = {
             PostingTopBar(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/home/ShortNotePostScreen.kt

@@ -23,6 +23,7 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.home
 import android.content.Intent
 import android.net.Uri
 import android.os.Parcelable
+import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.horizontalScroll
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
@@ -164,6 +165,14 @@ private fun NewPostScreenInner(
 ) {
     WatchAndLoadMyEmojiList(accountViewModel)
 
+    BackHandler {
+        accountViewModel.runIOCatching {
+            postViewModel.sendDraftSync()
+            postViewModel.cancel()
+        }
+        nav.popBack()
+    }
+
     Scaffold(
         topBar = {
             PostingTopBar(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/notifications/publicMessages/NewPublicMessageScreen.kt

@@ -20,6 +20,7 @@
  */
 package com.vitorpamplona.amethyst.ui.screen.loggedIn.notifications.publicMessages
 
+import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.horizontalScroll
 import androidx.compose.foundation.layout.Arrangement.Absolute.spacedBy
 import androidx.compose.foundation.layout.Column
@@ -128,6 +129,14 @@ fun NewPublicMessageScreen(
 
     WatchAndLoadMyEmojiList(accountViewModel)
 
+    BackHandler {
+        accountViewModel.runIOCatching {
+            postViewModel.sendDraftSync()
+            postViewModel.cancel()
+        }
+        nav.popBack()
+    }
+
     Scaffold(
         topBar = {
             PostingTopBar(