refactor(core): introduce Simplified trait

to abstract over some common operations between models

[no changelog]

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

@@ -8,13 +8,22 @@ use crate::ui::event::ButtonEvent;
 use crate::ui::event::TouchEvent;
 use crate::ui::{
     component::{Component, Event, EventCtx, Never},
-    constant::SCREEN,
     display,
+    geometry::Rect,
 };
 use num_traits::ToPrimitive;
 
-#[cfg(feature = "backlight")]
-use crate::ui::model::theme::{BACKLIGHT_DIM, BACKLIGHT_NORMAL};
+pub trait SimplifiedFeatures {
+    fn fadein() {}
+    fn fadeout() {}
+
+    const SCREEN: Rect;
+}
+
+#[cfg(all(feature = "model_tr", not(feature = "model_tt")))]
+pub type ModelFeatures = crate::ui::model_tr::ModelTRFeatures;
+#[cfg(feature = "model_tt")]
+pub type ModelFeatures = crate::ui::model_tt::ModelTTFeatures;
 
 pub trait ReturnToC {
     fn return_to_c(self) -> u32;
@@ -65,27 +74,17 @@ fn touch_eval() -> Option<TouchEvent> {
     TouchEvent::new(event_type, ex as _, ey as _).ok()
 }
 
-pub fn fadein() {
-    #[cfg(feature = "backlight")]
-    display::fade_backlight_duration(BACKLIGHT_NORMAL, 150);
-}
-
-pub fn fadeout() {
-    #[cfg(feature = "backlight")]
-    display::fade_backlight_duration(BACKLIGHT_DIM, 150);
-}
-
 pub fn run<F>(frame: &mut F) -> u32
 where
     F: Component,
     F::Msg: ReturnToC,
 {
-    frame.place(SCREEN);
-    fadeout();
+    frame.place(ModelFeatures::SCREEN);
+    ModelFeatures::fadeout();
     display::sync();
     frame.paint();
     display::refresh();
-    fadein();
+    ModelFeatures::fadein();
 
     #[cfg(feature = "button")]
     while button_eval().is_some() {}
@@ -116,14 +115,14 @@ pub fn show<F>(frame: &mut F, fading: bool)
 where
     F: Component,
 {
-    frame.place(SCREEN);
+    frame.place(ModelFeatures::SCREEN);
     if fading {
-        fadeout()
+        ModelFeatures::fadeout()
     };
     display::sync();
     frame.paint();
     display::refresh();
     if fading {
-        fadein()
+        ModelFeatures::fadein()
     };
 }

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

@@ -18,14 +18,3 @@ pub mod layout;
 pub mod model_tr;
 #[cfg(feature = "model_tt")]
 pub mod model_tt;
-
-#[cfg(all(
-    feature = "model_t1",
-    not(feature = "model_tr"),
-    not(feature = "model_tt")
-))]
-pub use model_t1 as model;
-#[cfg(all(feature = "model_tr", not(feature = "model_tt")))]
-pub use model_tr as model;
-#[cfg(feature = "model_tt")]
-pub use model_tt as model;

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

@@ -1,3 +1,5 @@
+use super::{geometry::Rect, layout::simplified::SimplifiedFeatures};
+
 #[cfg(feature = "bootloader")]
 pub mod bootloader;
 pub mod common_messages;
@@ -7,3 +9,9 @@ pub mod constant;
 pub mod layout;
 pub mod screens;
 pub mod theme;
+
+pub struct ModelTRFeatures {}
+
+impl SimplifiedFeatures for ModelTRFeatures {
+    const SCREEN: Rect = constant::SCREEN;
+}

core/embed/rust/src/ui/model_tt/bootloader/mod.rs

@@ -5,9 +5,9 @@ use crate::{
     trezorhal::secbool::secbool,
     ui::{
         component::{connect::Connect, Label},
-        constant::HEIGHT,
         display::{self, Color, Font, Icon},
-        geometry::Point,
+        geometry::{Point, Rect},
+        layout::simplified::{run, show, SimplifiedFeatures as _},
         util::{from_c_array, from_c_str},
     },
 };
@@ -18,7 +18,6 @@ use super::{
         bl_confirm::{Confirm, ConfirmTitle},
         Button, ResultScreen, WelcomeScreen,
     },
-    constant,
     theme::{
         bootloader::{
             button_bld, button_bld_menu, button_confirm, button_wipe_cancel, button_wipe_confirm,
@@ -28,9 +27,9 @@ use super::{
         },
         BACKLIGHT_NORMAL, BLACK, FG, WHITE,
     },
+    ModelTTFeatures,
 };
 
-use crate::ui::layout::simplified::{fadein, fadeout, run, show};
 use intro::Intro;
 use menu::Menu;
 
@@ -42,6 +41,8 @@ pub type BootloaderString = String<128>;
 
 const RECONNECT_MESSAGE: &str = "PLEASE RECONNECT\nTHE DEVICE";
 
+const SCREEN: Rect = ModelTTFeatures::SCREEN;
+
 #[no_mangle]
 extern "C" fn screen_install_confirm(
     vendor_str: *const cty::c_char,
@@ -165,12 +166,12 @@ fn screen_progress(
     icon: Option<(Icon, Color)>,
 ) {
     if initialize {
-        fadeout();
-        display::rect_fill(constant::screen(), bg_color);
+        ModelTTFeatures::fadeout();
+        display::rect_fill(SCREEN, bg_color);
     }
 
     display::text_center(
-        Point::new(constant::WIDTH / 2, HEIGHT - 45),
+        Point::new(SCREEN.width() / 2, SCREEN.height() - 45),
         text,
         Font::NORMAL,
         fg_color,
@@ -179,7 +180,7 @@ fn screen_progress(
     display::loader(progress, -20, fg_color, bg_color, icon);
     display::refresh();
     if initialize {
-        fadein();
+        ModelTTFeatures::fadein();
     }
 }
 
@@ -244,16 +245,16 @@ extern "C" fn screen_wipe_fail() {
 #[no_mangle]
 extern "C" fn screen_boot_empty(fading: bool) {
     if fading {
-        fadeout();
+        ModelTTFeatures::fadeout();
     }
 
-    display::rect_fill(constant::screen(), BLACK);
+    display::rect_fill(SCREEN, BLACK);
 
     let mut frame = WelcomeScreen::new(true);
     show(&mut frame, false);
 
     if fading {
-        fadein();
+        ModelTTFeatures::fadein();
     } else {
         display::set_backlight(BACKLIGHT_NORMAL);
     }
@@ -328,7 +329,7 @@ extern "C" fn screen_welcome() {
 #[no_mangle]
 extern "C" fn bld_continue_label(bg_color: cty::uint16_t) {
     display::text_center(
-        Point::new(constant::WIDTH / 2, HEIGHT - 5),
+        Point::new(SCREEN.width() / 2, SCREEN.height() - 5),
         "click to continue ...",
         Font::NORMAL,
         WHITE,

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

@@ -1,3 +1,5 @@
+use super::{geometry::Rect, layout::simplified::SimplifiedFeatures};
+
 #[cfg(feature = "bootloader")]
 pub mod bootloader;
 pub mod component;
@@ -7,3 +9,19 @@ pub mod theme;
 #[cfg(feature = "micropython")]
 pub mod layout;
 pub mod screens;
+
+pub struct ModelTTFeatures {}
+
+impl SimplifiedFeatures for ModelTTFeatures {
+    fn fadein() {
+        #[cfg(feature = "backlight")]
+        crate::ui::display::fade_backlight_duration(theme::BACKLIGHT_NORMAL, 150);
+    }
+
+    fn fadeout() {
+        #[cfg(feature = "backlight")]
+        crate::ui::display::fade_backlight_duration(theme::BACKLIGHT_DIM, 150);
+    }
+
+    const SCREEN: Rect = constant::SCREEN;
+}