refactor(core/ui): introduce show_danger

This is a unified interface for flow_warning_hi_prio,
which was available only on Mercury before.

[no changelog]

core/embed/rust/librust_qstr.h

@@ -262,7 +262,6 @@ static void _librust_qstrs(void) {
   MP_QSTR_flow_request_number;
   MP_QSTR_flow_request_passphrase;
   MP_QSTR_flow_show_share_words;
-  MP_QSTR_flow_warning_hi_prio;
   MP_QSTR_get_language;
   MP_QSTR_get_transition_out;
   MP_QSTR_haptic_feedback__disable;
@@ -652,6 +651,7 @@ static void _librust_qstrs(void) {
   MP_QSTR_share_words__wrote_down_all;
   MP_QSTR_show_address_details;
   MP_QSTR_show_checklist;
+  MP_QSTR_show_danger;
   MP_QSTR_show_error;
   MP_QSTR_show_group_share_success;
   MP_QSTR_show_homescreen;

core/embed/rust/src/ui/model_mercury/flow/danger.rs

@@ -22,13 +22,13 @@ use super::super::{
 };
 
 #[derive(Copy, Clone, PartialEq, Eq)]
-pub enum WarningHiPrio {
+pub enum Danger {
     Message,
     Menu,
     Cancelled,
 }
 
-impl FlowController for WarningHiPrio {
+impl FlowController for Danger {
     #[inline]
     fn index(&'static self) -> usize {
         *self as usize
@@ -57,7 +57,7 @@ impl FlowController for WarningHiPrio {
 
 const EXTRA_PADDING: i16 = 6;
 
-pub fn new_warning_hi_prio(
+pub fn new_show_danger(
     title: TString<'static>,
     description: TString<'static>,
     value: TString<'static>,
@@ -106,9 +106,9 @@ pub fn new_warning_hi_prio(
     .with_result_icon(theme::ICON_BULLET_CHECKMARK, theme::GREY_DARK)
     .map(|_| Some(FlowMsg::Cancelled));
 
-    let res = SwipeFlow::new(&WarningHiPrio::Message)?
+    let res = SwipeFlow::new(&Danger::Message)?
-        .with_page(&WarningHiPrio::Message, content_message)?
+        .with_page(&Danger::Message, content_message)?
-        .with_page(&WarningHiPrio::Menu, content_menu)?
+        .with_page(&Danger::Menu, content_menu)?
-        .with_page(&WarningHiPrio::Cancelled, content_cancelled)?;
+        .with_page(&Danger::Cancelled, content_cancelled)?;
     Ok(res)
 }

core/embed/rust/src/ui/model_mercury/flow/mod.rs

@@ -8,6 +8,7 @@ pub mod confirm_set_new_pin;
 pub mod confirm_summary;
 pub mod confirm_with_info;
 pub mod continue_recovery;
+pub mod danger;
 pub mod get_address;
 pub mod prompt_backup;
 pub mod request_number;
@@ -16,7 +17,6 @@ pub mod set_brightness;
 pub mod show_share_words;
 pub mod show_tutorial;
 pub mod util;
-pub mod warning_hi_prio;
 
 pub use confirm_action::{
     new_confirm_action, new_confirm_action_simple, ConfirmActionExtra, ConfirmActionMenuStrings,
@@ -31,6 +31,7 @@ pub use confirm_set_new_pin::SetNewPin;
 pub use confirm_summary::new_confirm_summary;
 pub use confirm_with_info::new_confirm_with_info;
 pub use continue_recovery::new_continue_recovery;
+pub use danger::Danger;
 pub use get_address::GetAddress;
 pub use prompt_backup::PromptBackup;
 pub use request_number::RequestNumber;
@@ -39,4 +40,3 @@ pub use set_brightness::SetBrightness;
 pub use show_share_words::ShowShareWords;
 pub use show_tutorial::ShowTutorial;
 pub use util::{ConfirmBlobParams, ShowInfoParams};
-pub use warning_hi_prio::WarningHiPrio;

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

@@ -1510,7 +1510,7 @@ extern "C" fn new_confirm_fido(n_args: usize, args: *const Obj, kwargs: *mut Map
     panic!();
 }
 
-extern "C" fn new_warning_hi_prio(n_args: usize, args: *const Obj, kwargs: *mut Map) -> Obj {
+extern "C" fn new_show_danger(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()?;
         let description: TString = kwargs.get(Qstr::MP_QSTR_description)?.try_into()?;
@@ -1521,7 +1521,7 @@ extern "C" fn new_warning_hi_prio(n_args: usize, args: *const Obj, kwargs: *mut
             .try_into_option()?;
 
         let flow =
-            flow::warning_hi_prio::new_warning_hi_prio(title, description, value, verb_cancel)?;
+            flow::danger::new_show_danger(title, description, value, verb_cancel)?;
         Ok(LayoutObj::new_root(flow)?.into())
     };
     unsafe { util::try_with_args_and_kwargs(n_args, args, kwargs, block) }
@@ -1748,6 +1748,16 @@ pub static mp_module_trezorui2: Module = obj_module! {
     ///     """Warning modal. No buttons shown when `button` is empty string."""
     Qstr::MP_QSTR_show_warning => obj_fn_kw!(0, new_show_warning).as_obj(),
 
+    /// def show_danger(
+    ///     *,
+    ///     title: str,
+    ///     description: str,
+    ///     value: str = "",
+    ///     verb_cancel: str | None = None,
+    /// ) -> LayoutObj[UiResult]:
+    ///     """Warning modal that makes it easier to cancel than to continue."""
+    Qstr::MP_QSTR_show_danger => obj_fn_kw!(0, new_show_danger).as_obj(),
+
     /// def show_success(
     ///     *,
     ///     title: str,
@@ -2002,16 +2012,6 @@ pub static mp_module_trezorui2: Module = obj_module! {
     ///     """Get address / receive funds."""
     Qstr::MP_QSTR_flow_get_address => obj_fn_kw!(0, new_get_address).as_obj(),
 
-    /// def flow_warning_hi_prio(
-    ///     *,
-    ///     title: str,
-    ///     description: str,
-    ///     value: str = "",
-    ///     verb_cancel: str | None = None,
-    /// ) -> LayoutObj[UiResult]:
-    ///     """Warning modal with multiple steps to confirm."""
-    Qstr::MP_QSTR_flow_warning_hi_prio => obj_fn_kw!(0, new_warning_hi_prio).as_obj(),
-
     /// def flow_confirm_output(
     ///     *,
     ///     title: str | None,

core/mocks/generated/trezorui2.pyi

@@ -229,6 +229,17 @@ def show_warning(
     """Warning modal. No buttons shown when `button` is empty string."""
 
 
+# rust/src/ui/model_mercury/layout.rs
+def show_danger(
+    *,
+    title: str,
+    description: str,
+    value: str = "",
+    verb_cancel: str | None = None,
+) -> LayoutObj[UiResult]:
+    """Warning modal that makes it easier to cancel than to continue."""
+
+
 # rust/src/ui/model_mercury/layout.rs
 def show_success(
     *,
@@ -510,17 +521,6 @@ def flow_get_address(
     """Get address / receive funds."""
 
 
-# rust/src/ui/model_mercury/layout.rs
-def flow_warning_hi_prio(
-    *,
-    title: str,
-    description: str,
-    value: str = "",
-    verb_cancel: str | None = None,
-) -> LayoutObj[UiResult]:
-    """Warning modal with multiple steps to confirm."""
-
-
 # rust/src/ui/model_mercury/layout.rs
 def flow_confirm_output(
     *,

core/src/apps/ethereum/layout.py

@@ -144,12 +144,14 @@ async def require_confirm_claim(
 async def require_confirm_unknown_token(address_bytes: bytes) -> None:
     from ubinascii import hexlify
 
-    from trezor.ui.layouts import (
+    from trezor.ui.layouts import confirm_address, show_danger
-        confirm_address,
-        confirm_ethereum_unknown_contract_warning,
-    )
 
-    await confirm_ethereum_unknown_contract_warning()
+    await show_danger(
+        "unknown_contract_warning",
+        TR.ethereum__unknown_contract_address,
+        TR.ethereum__unknown_contract_address_short,
+        verb_cancel=TR.send__cancel_sign,
+    )
 
     contract_address_hex = "0x" + hexlify(address_bytes).decode()
     await confirm_address(

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

@@ -119,23 +119,19 @@ def confirm_path_warning(
         if not path_type
         else f"{TR.words__unknown} {path_type.lower()}."
     )
-    return raise_if_not_confirmed(
+    return show_danger(
-        trezorui2.flow_warning_hi_prio(
-            title=f"{TR.words__warning}!", description=description, value=path
-        ),
         "path_warning",
+        description,
+        value=path,
         br_code=ButtonRequestType.UnknownDerivationPath,
     )
 
 
 def confirm_multisig_warning() -> Awaitable[None]:
-    return raise_if_not_confirmed(
+    return show_danger(
-        trezorui2.flow_warning_hi_prio(
-            title=f"{TR.words__important}!",
-            description=TR.send__receiving_to_multisig,
-        ),
         "warning_multisig",
-        br_code=ButtonRequestType.Warning,
+        TR.send__receiving_to_multisig,
+        title=f"{TR.words__important}!",
     )
 
 
@@ -316,6 +312,29 @@ def show_warning(
     )
 
 
+def show_danger(
+    br_name: str,
+    content: str,
+    content_short: str | None = None,
+    value: str | None = None,
+    title: str | None = None,
+    verb_cancel: str | None = None,
+    br_code: ButtonRequestType = ButtonRequestType.Warning,
+) -> Awaitable[None]:
+    title = title or TR.words__warning
+    verb_cancel = verb_cancel or TR.buttons__cancel
+    return raise_if_not_confirmed(
+        trezorui2.show_danger(
+            title=title,
+            description=content,
+            value=(value or ""),
+            verb_cancel=verb_cancel,
+        ),
+        br_name,
+        br_code,
+    )
+
+
 def show_success(
     br_name: str,
     content: str,
@@ -712,17 +731,6 @@ def _confirm_summary(
 
 if not utils.BITCOIN_ONLY:
 
-    def confirm_ethereum_unknown_contract_warning() -> Awaitable[None]:
-        return raise_if_not_confirmed(
-            trezorui2.flow_warning_hi_prio(
-                title=TR.words__warning,
-                description=TR.ethereum__unknown_contract_address,
-                verb_cancel=TR.send__cancel_sign,
-            ),
-            "unknown_contract_warning",
-            ButtonRequestType.Warning,
-        )
-
     async def confirm_ethereum_tx(
         recipient: str | None,
         total_amount: str,

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

@@ -412,6 +412,27 @@ def show_warning(
     )
 
 
+def show_danger(
+    br_name: str,
+    content: str,
+    content_short: str | None = None,
+    value: str | None = None,
+    title: str | None = None,
+    verb_cancel: str | None = None,
+    br_code: ButtonRequestType = ButtonRequestType.Warning,
+) -> Awaitable[ui.UiResult]:
+    title = title or TR.words__warning
+    if content_short is None:
+        content_short = content
+    return show_warning(
+        br_name,
+        title,
+        content_short,
+        TR.words__continue_anyway,
+        br_code=br_code,
+    )
+
+
 def show_success(
     br_name: str,
     content: str,
@@ -556,7 +577,6 @@ def confirm_blob(
     title: str,
     data: bytes | str,
     description: str | None = None,
-    text_mono: bool = True,
     subtitle: str | None = None,
     verb: str | None = None,
     verb_cancel: str | None = None,  # icon
@@ -806,14 +826,6 @@ def confirm_total(
 
 if not utils.BITCOIN_ONLY:
 
-    def confirm_ethereum_unknown_contract_warning() -> Awaitable[ui.UiResult]:
-        return show_warning(
-            "unknown_contract_warning",
-            TR.words__warning,
-            TR.ethereum__unknown_contract_address_short,
-            TR.words__continue_anyway,
-        )
-
     async def confirm_ethereum_staking_tx(
         title: str,
         intro_question: str,

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

@@ -364,6 +364,25 @@ def show_warning(
     )
 
 
+def show_danger(
+    br_name: str,
+    content: str,
+    content_short: str | None = None,
+    value: str | None = None,
+    title: str | None = None,
+    verb_cancel: str | None = None,
+    br_code: ButtonRequestType = ButtonRequestType.Warning,
+) -> Awaitable[None]:
+    if content_short is None:
+        content_short = content
+    return show_warning(
+        br_name,
+        content_short,
+        TR.words__continue_anyway_question,
+        br_code=br_code,
+    )
+
+
 def show_success(
     br_name: str,
     content: str,
@@ -770,13 +789,6 @@ def _confirm_summary(
 
 if not utils.BITCOIN_ONLY:
 
-    def confirm_ethereum_unknown_contract_warning() -> Awaitable[None]:
-        return show_warning(
-            "unknown_contract_warning",
-            TR.ethereum__unknown_contract_address_short,
-            TR.words__continue_anyway_question,
-        )
-
     async def confirm_ethereum_tx(
         recipient: str | None,
         total_amount: str,