From f6294ceb37b6e505fea439aad9e213c3ce5b8e77 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ioan=20Biz=C4=83u?= <i@ibz.me>
Date: Mon, 21 Jul 2025 13:26:20 +0200
Subject: [PATCH] feat(eckhart): implement `single_page` flow

[no changelog]
---
 .../rust/src/ui/layout_eckhart/flow/mod.rs    |  1 +
 .../rust/src/ui/layout_eckhart/flow/util.rs   | 40 +++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 core/embed/rust/src/ui/layout_eckhart/flow/util.rs

diff --git a/core/embed/rust/src/ui/layout_eckhart/flow/mod.rs b/core/embed/rust/src/ui/layout_eckhart/flow/mod.rs
index 1f050353ef..82d0dfc028 100644
--- a/core/embed/rust/src/ui/layout_eckhart/flow/mod.rs
+++ b/core/embed/rust/src/ui/layout_eckhart/flow/mod.rs
@@ -15,6 +15,7 @@ pub mod request_passphrase;
 pub mod show_danger;
 pub mod show_share_words;
 pub mod show_thp_pairing_code;
+pub mod util;
 
 #[cfg(feature = "universal_fw")]
 pub use confirm_fido::new_confirm_fido;
diff --git a/core/embed/rust/src/ui/layout_eckhart/flow/util.rs b/core/embed/rust/src/ui/layout_eckhart/flow/util.rs
new file mode 100644
index 0000000000..0bd90f032a
--- /dev/null
+++ b/core/embed/rust/src/ui/layout_eckhart/flow/util.rs
@@ -0,0 +1,40 @@
+use crate::{
+    error::Error,
+    maybe_trace::MaybeTrace,
+    ui::{
+        component::Component,
+        flow::{
+            base::{Decision, DecisionBuilder},
+            FlowController, FlowMsg, Swipable, SwipeFlow,
+        },
+        geometry::Direction,
+    },
+};
+
+enum SinglePage {
+    Show,
+}
+
+impl FlowController for SinglePage {
+    #[inline]
+    fn index(&'static self) -> usize {
+        0
+    }
+
+    fn handle_swipe(&'static self, _direction: Direction) -> Decision {
+        self.do_nothing()
+    }
+
+    fn handle_event(&'static self, msg: FlowMsg) -> Decision {
+        self.return_msg(msg)
+    }
+}
+
+pub fn single_page<T>(layout: T) -> Result<SwipeFlow, Error>
+where
+    T: Component<Msg = FlowMsg> + Swipable + MaybeTrace + 'static,
+{
+    let mut flow = SwipeFlow::new(&SinglePage::Show)?;
+    flow.add_page(&SinglePage::Show, layout)?;
+    Ok(flow)
+}