refactor(core): move prompt_backup

- model_r `confirm_backup` and mercury `flow_prompt_backup` merged into
`prompt_backup`
- not implemented for model_t

core/embed/rust/librust_qstr.h

@@ -192,7 +192,6 @@ static void _librust_qstrs(void) {
   MP_QSTR_coinjoin_authorized;
   MP_QSTR_confirm_action;
   MP_QSTR_confirm_address;
-  MP_QSTR_confirm_backup;
   MP_QSTR_confirm_blob;
   MP_QSTR_confirm_blob_intro;
   MP_QSTR_confirm_coinjoin;
@@ -255,7 +254,6 @@ static void _librust_qstrs(void) {
   MP_QSTR_flow_confirm_set_new_pin;
   MP_QSTR_flow_confirm_summary;
   MP_QSTR_flow_get_address;
-  MP_QSTR_flow_prompt_backup;
   MP_QSTR_flow_warning_hi_prio;
   MP_QSTR_get_language;
   MP_QSTR_get_transition_out;
@@ -426,6 +424,7 @@ static void _librust_qstrs(void) {
   MP_QSTR_progress__x_seconds_left_template;
   MP_QSTR_progress_event;
   MP_QSTR_prompt;
+  MP_QSTR_prompt_backup;
   MP_QSTR_prompt_screen;
   MP_QSTR_prompt_title;
   MP_QSTR_qr_title;

core/embed/rust/src/ui/api/firmware_upy.rs

@@ -4,7 +4,7 @@ use crate::{
         gc::Gc,
         iter::IterBuf,
         list::List,
-        macros::{obj_fn_1, obj_fn_kw, obj_module},
+        macros::{obj_fn_0, obj_fn_1, obj_fn_kw, obj_module},
         map::Map,
         module::Module,
         obj::Obj,
@@ -382,6 +382,14 @@ extern "C" fn new_continue_recovery_homepage(
     unsafe { util::try_with_args_and_kwargs(n_args, args, kwargs, block) }
 }
 
+extern "C" fn new_prompt_backup() -> Obj {
+    let block = || {
+        let layout = ModelUI::prompt_backup()?;
+        Ok(LayoutObj::new_root(layout)?.into())
+    };
+    unsafe { util::try_or_raise(block) }
+}
+
 extern "C" fn new_request_bip39(n_args: usize, args: *const Obj, kwargs: *mut Map) -> Obj {
     let block = move |_args: &[Obj], kwargs: &Map| {
         let prompt: TString = kwargs.get(Qstr::MP_QSTR_prompt)?.try_into()?;
@@ -1069,6 +1077,10 @@ pub static mp_module_trezorui_api: Module = obj_module! {
     ///     """Device recovery homescreen."""
     Qstr::MP_QSTR_continue_recovery_homepage => obj_fn_kw!(0, new_continue_recovery_homepage).as_obj(),
 
+    /// def prompt_backup() -> LayoutObj[UiResult]:
+    ///     """Strongly recommend user to do a backup."""
+    Qstr::MP_QSTR_prompt_backup => obj_fn_0!(new_prompt_backup).as_obj(),
+
     /// def request_bip39(
     ///     *,
     ///     prompt: str,

core/embed/rust/src/ui/model_mercury/layout.rs

@@ -534,15 +534,6 @@ extern "C" fn new_get_address(n_args: usize, args: *const Obj, kwargs: *mut Map)
     unsafe { util::try_with_args_and_kwargs(n_args, args, kwargs, block) }
 }
 
-extern "C" fn new_prompt_backup() -> Obj {
-    let block = || {
-        let flow = flow::prompt_backup::new_prompt_backup()?;
-        let obj = LayoutObj::new_root(flow)?;
-        Ok(obj.into())
-    };
-    unsafe { util::try_or_raise(block) }
-}
-
 extern "C" fn new_warning_hi_prio(n_args: usize, args: *const Obj, kwargs: *mut Map) -> Obj {
     let block = move |_args: &[Obj], kwargs: &Map| {
         let title: TString = kwargs.get(Qstr::MP_QSTR_title)?.try_into()?;
@@ -610,10 +601,6 @@ pub static mp_module_trezorui2: Module = obj_module! {
     ///     """Transaction summary. Always hold to confirm."""
     Qstr::MP_QSTR_confirm_total => obj_fn_kw!(0, new_confirm_total).as_obj(),
 
-    /// def flow_prompt_backup() -> LayoutObj[UiResult]:
-    ///     """Prompt a user to create backup with an option to skip."""
-    Qstr::MP_QSTR_flow_prompt_backup => obj_fn_0!(new_prompt_backup).as_obj(),
-
     /// def flow_get_address(
     ///     *,
     ///     address: str | bytes,

core/embed/rust/src/ui/model_mercury/ui_features_fw.rs

@@ -427,6 +427,11 @@ impl UIFeaturesFirmware for ModelMercuryFeatures {
         LayoutObj::new_root(flow)
     }
 
+    fn prompt_backup() -> Result<impl LayoutMaybeTrace, Error> {
+        let flow = flow::prompt_backup::new_prompt_backup()?;
+        Ok(flow)
+    }
+
     fn request_bip39(
         prompt: TString<'static>,
         prefill_word: TString<'static>,

core/embed/rust/src/ui/model_tr/layout.rs

@@ -270,39 +270,6 @@ fn content_in_button_page<T: Component + Paginate + MaybeTrace + 'static>(
     Ok(obj.into())
 }
 
-extern "C" fn new_confirm_backup(n_args: usize, args: *const Obj, kwargs: *mut Map) -> Obj {
-    let block = move |_args: &[Obj], _kwargs: &Map| {
-        let get_page = move |page_index| match page_index {
-            0 => {
-                let btn_layout = ButtonLayout::text_none_arrow_wide(TR::buttons__skip.into());
-                let btn_actions = ButtonActions::cancel_none_next();
-                let ops = OpTextLayout::new(theme::TEXT_NORMAL)
-                    .text_normal(TR::backup__new_wallet_created)
-                    .newline()
-                    .text_normal(TR::backup__it_should_be_backed_up_now);
-                let formatted = FormattedText::new(ops).vertically_centered();
-                Page::new(btn_layout, btn_actions, formatted)
-                    .with_title(TR::words__title_success.into())
-            }
-            1 => {
-                let btn_layout = ButtonLayout::up_arrow_none_text(TR::buttons__back_up.into());
-                let btn_actions = ButtonActions::prev_none_confirm();
-                let ops =
-                    OpTextLayout::new(theme::TEXT_NORMAL).text_normal(TR::backup__recover_anytime);
-                let formatted = FormattedText::new(ops).vertically_centered();
-                Page::new(btn_layout, btn_actions, formatted)
-                    .with_title(TR::backup__title_backup_wallet.into())
-            }
-            _ => unreachable!(),
-        };
-        let pages = FlowPages::new(get_page, 2);
-
-        let obj = LayoutObj::new(Flow::new(pages))?;
-        Ok(obj.into())
-    };
-    unsafe { util::try_with_args_and_kwargs(n_args, args, kwargs, block) }
-}
-
 extern "C" fn new_show_address_details(n_args: usize, args: *const Obj, kwargs: *mut Map) -> Obj {
     let block = move |_args: &[Obj], kwargs: &Map| {
         let address: TString = kwargs.get(Qstr::MP_QSTR_address)?.try_into()?;
@@ -624,10 +591,6 @@ pub static mp_module_trezorui2: Module = obj_module! {
     ///
     Qstr::MP_QSTR___name__ => Qstr::MP_QSTR_trezorui2.to_obj(),
 
-    /// def confirm_backup() -> LayoutObj[UiResult]:
-    ///     """Strongly recommend user to do backup."""
-    Qstr::MP_QSTR_confirm_backup => obj_fn_kw!(0, new_confirm_backup).as_obj(),
-
     /// def show_address_details(
     ///     *,
     ///     address: str,

core/embed/rust/src/ui/model_tr/ui_features_fw.rs

@@ -543,6 +543,36 @@ impl UIFeaturesFirmware for ModelTRFeatures {
         LayoutObj::new_root(layout)
     }
 
+    fn prompt_backup() -> Result<impl LayoutMaybeTrace, Error> {
+        let get_page = move |page_index| match page_index {
+            0 => {
+                let btn_layout = ButtonLayout::text_none_arrow_wide(TR::buttons__skip.into());
+                let btn_actions = ButtonActions::cancel_none_next();
+                let ops = OpTextLayout::new(theme::TEXT_NORMAL)
+                    .text_normal(TR::backup__new_wallet_created)
+                    .newline()
+                    .text_normal(TR::backup__it_should_be_backed_up_now);
+                let formatted = FormattedText::new(ops).vertically_centered();
+                Page::new(btn_layout, btn_actions, formatted)
+                    .with_title(TR::words__title_success.into())
+            }
+            1 => {
+                let btn_layout = ButtonLayout::up_arrow_none_text(TR::buttons__back_up.into());
+                let btn_actions = ButtonActions::prev_none_confirm();
+                let ops =
+                    OpTextLayout::new(theme::TEXT_NORMAL).text_normal(TR::backup__recover_anytime);
+                let formatted = FormattedText::new(ops).vertically_centered();
+                Page::new(btn_layout, btn_actions, formatted)
+                    .with_title(TR::backup__title_backup_wallet.into())
+            }
+            _ => unreachable!(),
+        };
+        let pages = FlowPages::new(get_page, 2);
+
+        let layout = RootComponent::new(Flow::new(pages));
+        Ok(layout)
+    }
+
     fn request_bip39(
         prompt: TString<'static>,
         prefill_word: TString<'static>,

core/embed/rust/src/ui/model_tt/ui_features_fw.rs

@@ -487,6 +487,12 @@ impl UIFeaturesFirmware for ModelTTFeatures {
         }
     }
 
+    fn prompt_backup() -> Result<impl LayoutMaybeTrace, Error> {
+        Err::<RootComponent<Empty, ModelTTFeatures>, Error>(Error::ValueError(
+            c"prompt_backup not implemented",
+        ))
+    }
+
     fn request_bip39(
         prompt: TString<'static>,
         prefill_word: TString<'static>,

core/embed/rust/src/ui/ui_features_fw.rs

@@ -136,6 +136,8 @@ pub trait UIFeaturesFirmware {
 
     fn check_homescreen_format(image: BinaryData, accept_toif: bool) -> bool;
 
+    fn prompt_backup() -> Result<impl LayoutMaybeTrace, Error>;
+
     fn request_bip39(
         prompt: TString<'static>,
         prefill_word: TString<'static>,

core/mocks/generated/trezorui2.pyi

@@ -48,11 +48,6 @@ def confirm_total(
     """Transaction summary. Always hold to confirm."""
 
 
-# rust/src/ui/model_mercury/layout.rs
-def flow_prompt_backup() -> LayoutObj[UiResult]:
-    """Prompt a user to create backup with an option to skip."""
-
-
 # rust/src/ui/model_mercury/layout.rs
 def flow_get_address(
     *,
@@ -126,11 +121,6 @@ from trezor import utils
 from trezorui_api import *
 
 
-# rust/src/ui/model_tr/layout.rs
-def confirm_backup() -> LayoutObj[UiResult]:
-    """Strongly recommend user to do backup."""
-
-
 # rust/src/ui/model_tr/layout.rs
 def show_address_details(
     *,

core/mocks/generated/trezorui_api.pyi

@@ -265,6 +265,11 @@ def continue_recovery_homepage(
     """Device recovery homescreen."""
 
 
+# rust/src/ui/api/firmware_upy.rs
+def prompt_backup() -> LayoutObj[UiResult]:
+    """Strongly recommend user to do a backup."""
+
+
 # rust/src/ui/api/firmware_upy.rs
 def request_bip39(
     *,

core/src/trezor/ui/layouts/mercury/__init__.py

@@ -105,7 +105,7 @@ async def show_wallet_created_success() -> None:
 
 async def prompt_backup() -> bool:
     result = await interact(
-        trezorui2.flow_prompt_backup(),
+        trezorui_api.prompt_backup(),
         "backup_device",
         ButtonRequestType.ResetDevice,
         raise_on_cancel=None,

core/src/trezor/ui/layouts/tr/__init__.py

@@ -128,7 +128,7 @@ async def prompt_backup() -> bool:
     br_code = ButtonRequestType.ResetDevice
 
     result = await interact(
-        trezorui2.confirm_backup(),
+        trezorui_api.prompt_backup(),
         br_name,
         br_code,
         raise_on_cancel=None,