[a11y] Ensure that the focus is not lost when the send button state change.

Author: bmarty

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/TextComposer.kt

@@ -28,6 +28,7 @@ import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.ReadOnlyComposable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -39,7 +40,11 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.platform.LocalView
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.semantics.SemanticsPropertyReceiver
+import androidx.compose.ui.semantics.clearAndSetSemantics
+import androidx.compose.ui.semantics.contentDescription
 import androidx.compose.ui.semantics.hideFromAccessibility
+import androidx.compose.ui.semantics.onClick
 import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.tooling.preview.PreviewParameter
@@ -280,6 +285,13 @@ fun TextComposer(
         else -> sendButton
     }
 
+    val endButtonA11y = endButtonA11y(
+        composerMode = composerMode,
+        voiceMessageState = voiceMessageState,
+        enableVoiceMessages = enableVoiceMessages,
+        canSendMessage = canSendMessage,
+    )
+
     val voiceRecording = @Composable {
         when (voiceMessageState) {
             is VoiceMessageState.Preview ->
@@ -323,6 +335,7 @@ fun TextComposer(
                 )
             },
             textFormatting = textFormattingOptions,
+            endButtonA11y = endButtonA11y,
             sendButton = sendButton,
         )
     } else {
@@ -334,6 +347,7 @@ fun TextComposer(
             composerOptionsButton = composerOptionsButton,
             textInput = textInput,
             endButton = sendOrRecordButton,
+            endButtonA11y = endButtonA11y,
             voiceRecording = voiceRecording,
             voiceDeleteButton = voiceDeleteButton,
         )
@@ -359,6 +373,40 @@ fun TextComposer(
     }
 }
 
+@ReadOnlyComposable
+@Composable
+private fun endButtonA11y(
+    composerMode: MessageComposerMode,
+    voiceMessageState: VoiceMessageState,
+    enableVoiceMessages: Boolean,
+    canSendMessage: Boolean,
+): (SemanticsPropertyReceiver) -> Unit {
+    val a11ySendButtonDescription = stringResource(
+        id = when {
+            enableVoiceMessages && !canSendMessage ->
+                when (voiceMessageState) {
+                    VoiceMessageState.Idle,
+                    is VoiceMessageState.Recording -> if (voiceMessageState is VoiceMessageState.Recording) {
+                        CommonStrings.a11y_voice_message_stop_recording
+                    } else {
+                        CommonStrings.a11y_voice_message_record
+                    }
+                    is VoiceMessageState.Preview -> when (voiceMessageState.isSending) {
+                        true -> CommonStrings.common_sending
+                        false -> CommonStrings.action_send_voice_message
+                    }
+                }
+            composerMode.isEditing -> CommonStrings.action_send_edited_message
+            else -> CommonStrings.action_send_message
+        }
+    )
+    val endButtonA11y: (SemanticsPropertyReceiver.() -> Unit) = {
+        contentDescription = a11ySendButtonDescription
+        onClick(null, null)
+    }
+    return endButtonA11y
+}
+
 @Composable
 private fun StandardLayout(
     voiceMessageState: VoiceMessageState,
@@ -369,6 +417,7 @@ private fun StandardLayout(
     voiceRecording: @Composable () -> Unit,
     voiceDeleteButton: @Composable () -> Unit,
     endButton: @Composable () -> Unit,
+    endButtonA11y: (SemanticsPropertyReceiver.() -> Unit),
     modifier: Modifier = Modifier,
 ) {
     Column(modifier = modifier) {
@@ -416,7 +465,8 @@ private fun StandardLayout(
             Box(
                 Modifier
                     .padding(bottom = 5.dp, top = 5.dp, end = 6.dp, start = 6.dp)
-                    .size(48.dp),
+                    .size(48.dp)
+                    .clearAndSetSemantics(endButtonA11y),
                 contentAlignment = Alignment.Center,
             ) {
                 endButton()
@@ -454,6 +504,7 @@ private fun TextFormattingLayout(
     dismissTextFormattingButton: @Composable () -> Unit,
     textFormatting: @Composable () -> Unit,
     sendButton: @Composable () -> Unit,
+    endButtonA11y: (SemanticsPropertyReceiver.() -> Unit),
     modifier: Modifier = Modifier
 ) {
     Column(
@@ -485,10 +536,12 @@ private fun TextFormattingLayout(
                 textFormatting()
             }
             Box(
-                modifier = Modifier.padding(
-                    start = 14.dp,
-                    end = 6.dp
-                )
+                modifier = Modifier
+                    .padding(
+                        start = 14.dp,
+                        end = 6.dp,
+                    )
+                    .clearAndSetSemantics(endButtonA11y)
             ) {
                 sendButton()
             }

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/components/SendButton.kt

@@ -21,7 +21,6 @@ import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.LinearGradientShader
 import androidx.compose.ui.graphics.ShaderBrush
-import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import io.element.android.compound.theme.ElementTheme
 import io.element.android.compound.tokens.generated.CompoundIcons
@@ -32,7 +31,6 @@ import io.element.android.libraries.designsystem.theme.components.IconButton
 import io.element.android.libraries.matrix.api.core.EventId
 import io.element.android.libraries.matrix.api.timeline.item.event.toEventOrTransactionId
 import io.element.android.libraries.textcomposer.model.MessageComposerMode
-import io.element.android.libraries.ui.strings.CommonStrings
 
 /**
  * Send button for the message composer.
@@ -60,10 +58,6 @@ internal fun SendButton(
             composerMode.isEditing -> 0.dp
             else -> 2.dp
         }
-        val contentDescription = when {
-            composerMode.isEditing -> stringResource(CommonStrings.action_edit)
-            else -> stringResource(CommonStrings.action_send)
-        }
         Box(
             modifier = Modifier
                 .clip(CircleShape)
@@ -81,7 +75,8 @@ internal fun SendButton(
                     .padding(start = iconStartPadding)
                     .align(Alignment.Center),
                 imageVector = iconVector,
-                contentDescription = contentDescription,
+                // Note: accessibility is managed in TextComposer.
+                contentDescription = null,
                 tint = if (canSendMessage) {
                     if (ElementTheme.colors.isLight) {
                         ElementTheme.colors.iconOnSolidPrimary

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/components/VoiceMessageRecorderButton.kt

@@ -16,7 +16,6 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.hapticfeedback.HapticFeedbackType
 import androidx.compose.ui.platform.LocalHapticFeedback
-import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import io.element.android.compound.theme.ElementTheme
 import io.element.android.compound.tokens.generated.CompoundIcons
@@ -26,7 +25,6 @@ import io.element.android.libraries.designsystem.theme.components.Icon
 import io.element.android.libraries.designsystem.theme.components.IconButton
 import io.element.android.libraries.designsystem.utils.CommonDrawables
 import io.element.android.libraries.textcomposer.model.VoiceMessageRecorderEvent
-import io.element.android.libraries.ui.strings.CommonStrings
 
 @Composable
 internal fun VoiceMessageRecorderButton(
@@ -70,7 +68,8 @@ private fun StartButton(
     Icon(
         modifier = Modifier.size(24.dp),
         imageVector = CompoundIcons.MicOn(),
-        contentDescription = stringResource(CommonStrings.a11y_voice_message_record),
+        // Note: accessibility is managed in TextComposer.
+        contentDescription = null,
         tint = ElementTheme.colors.iconSecondary,
     )
 }
@@ -95,7 +94,8 @@ private fun StopButton(
     Icon(
         modifier = Modifier.size(24.dp),
         resourceId = CommonDrawables.ic_stop,
-        contentDescription = stringResource(CommonStrings.a11y_voice_message_stop_recording),
+        // Note: accessibility is managed in TextComposer.
+        contentDescription = null,
         tint = ElementTheme.colors.iconOnSolidPrimary,
     )
 }

libraries/ui-strings/src/main/res/values/localazy.xml

@@ -12,7 +12,7 @@
   <string name="a11y_jump_to_bottom">"Jump to bottom"</string>
   <string name="a11y_notifications_mentions_only">"Mentions only"</string>
   <string name="a11y_notifications_muted">"Muted"</string>
-  <string name="a11y_other_user_avatar">"Other user avatar"</string>
+  <string name="a11y_other_user_avatar">"Other user\'s avatar"</string>
   <string name="a11y_page_n">"Page %1$d"</string>
   <string name="a11y_pause">"Pause"</string>
   <string name="a11y_paused_voice_message">"Voice message, duration: %1$s, current position: %2$s"</string>
@@ -125,7 +125,9 @@
   <string name="action_save">"Save"</string>
   <string name="action_search">"Search"</string>
   <string name="action_send">"Send"</string>
+  <string name="action_send_edited_message">"Send edited message"</string>
   <string name="action_send_message">"Send message"</string>
+  <string name="action_send_voice_message">"Send voice message"</string>
   <string name="action_share">"Share"</string>
   <string name="action_share_link">"Share link"</string>
   <string name="action_show">"Show"</string>