chore(eckhart): simplify updatable info screen

[no changelog]

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

@@ -42,7 +42,7 @@ pub use qr_screen::{QrMsg, QrScreen};
 pub use select_word_screen::{SelectWordMsg, SelectWordScreen};
 pub use share_words::{ShareWordsScreen, ShareWordsScreenMsg};
 pub use text_screen::{AllowedTextContent, TextScreen, TextScreenMsg};
-pub use updatable_info_screen::UpdatableInfoScreen;
+pub use updatable_info_screen::{UpdatableInfoScreen, UpdatableInfoScreenMsg};
 pub use value_input_screen::{
     DurationInput, NumberInput, ValueInput, ValueInputScreen, ValueInputScreenMsg,
 };

core/embed/rust/src/ui/layout_eckhart/firmware/updatable_info_screen.rs

@@ -5,7 +5,7 @@ use crate::{
         component::{
             swipe_detect::SwipeConfig,
             text::paragraphs::{Paragraph, ParagraphSource, Paragraphs},
-            Component, Event, EventCtx,
+            Component, Event, EventCtx, PaginateFull,
         },
         flow::Swipable,
         geometry::{LinearPlacement, Rect},
@@ -14,16 +14,20 @@ use crate::{
     },
 };
 
-use super::{theme, Header, TextScreen, TextScreenMsg};
+use super::{constant::SCREEN, theme, ActionBar, ActionBarMsg, Header};
+
+pub enum UpdatableInfoScreenMsg {
+    Close,
+}
 
 pub struct UpdatableInfoScreen<F>
 where
     F: Fn() -> TString<'static>,
 {
+    header: Header,
     info_func: F,
-    paragraphs: Paragraphs<Paragraph<'static>>,
-    area: Rect,
-    text_screen: TextScreen<Paragraphs<Paragraph<'static>>>,
+    paragraph: Paragraphs<Paragraph<'static>>,
+    action_bar: ActionBar,
 }
 
 impl<F> UpdatableInfoScreen<F>
@@ -31,59 +35,97 @@ where
     F: Fn() -> TString<'static>,
 {
     pub fn new(info_func: F) -> Self {
-        let paragraphs = Paragraph::new(&theme::TEXT_REGULAR, TString::empty())
+        let paragraph = Paragraph::new(&theme::TEXT_REGULAR, TString::empty())
             .into_paragraphs()
             .with_placement(LinearPlacement::vertical());
-        let text_screen = create_text_screen(paragraphs.clone());
         Self {
+            header: Header::new(TR::buttons__more_info.into()).with_close_button(),
             info_func,
-            paragraphs,
-            area: Rect::zero(),
-            text_screen,
+            paragraph,
+            action_bar: ActionBar::new_paginate_only(),
         }
     }
 
+    pub fn with_header(mut self, header: Header) -> Self {
+        self.header = header;
+        self
+    }
+
     fn update_text(&mut self, ctx: &mut EventCtx) {
         let text = (self.info_func)();
-        self.paragraphs.update(text);
-        self.text_screen = create_text_screen(self.paragraphs.clone());
-        self.text_screen.place(self.area);
+        self.paragraph.update(text);
+
+        self.update_page(0);
         ctx.request_paint();
     }
+
+    fn update_page(&mut self, page_idx: u16) {
+        self.paragraph.change_page(page_idx);
+        self.action_bar.update(self.paragraph.pager());
+    }
 }
 
 impl<F> Component for UpdatableInfoScreen<F>
 where
     F: Fn() -> TString<'static>,
 {
-    type Msg = TextScreenMsg;
+    type Msg = UpdatableInfoScreenMsg;
 
     fn place(&mut self, bounds: Rect) -> Rect {
-        self.text_screen.place(bounds);
-        self.area = bounds;
+        // assert full screen
+        debug_assert_eq!(bounds.height(), SCREEN.height());
+        debug_assert_eq!(bounds.width(), SCREEN.width());
+
+        let (header_area, rest) = bounds.split_top(Header::HEADER_HEIGHT);
+        let (info_area, action_bar_area) = rest.split_bottom(ActionBar::ACTION_BAR_HEIGHT);
+
+        self.header.place(header_area);
+        self.paragraph.place(info_area.inset(theme::SIDE_INSETS));
+        self.action_bar.place(action_bar_area);
+
+        self.update_page(0);
+
         bounds
     }
 
     fn event(&mut self, ctx: &mut EventCtx, event: Event) -> Option<Self::Msg> {
+        // Update page count of the screen
+        ctx.set_page_count(self.paragraph.pager().total() as usize);
+
         if let Event::Attach(_) = event {
             self.update_text(ctx);
         }
 
-        self.text_screen.event(ctx, event)
+        self.paragraph.event(ctx, event);
+
+        if self.header.event(ctx, event).is_some() {
+            return Some(UpdatableInfoScreenMsg::Close);
+        }
+
+        if let Some(msg) = self.action_bar.event(ctx, event) {
+            match msg {
+                ActionBarMsg::Prev => {
+                    self.update_page(self.paragraph.pager().prev());
+                    return None;
+                }
+                ActionBarMsg::Next => {
+                    self.update_page(self.paragraph.pager().next());
+                    return None;
+                }
+                _ => {}
+            }
+        }
+
+        None
     }
 
     fn render<'s>(&'s self, target: &mut impl Renderer<'s>) {
-        self.text_screen.render(target);
+        self.header.render(target);
+        self.paragraph.render(target);
+        self.action_bar.render(target);
     }
 }
 
-fn create_text_screen(
-    paragraphs: Paragraphs<Paragraph<'static>>,
-) -> TextScreen<Paragraphs<Paragraph<'static>>> {
-    TextScreen::new(paragraphs)
-        .with_header(Header::new(TR::buttons__more_info.into()).with_close_button())
-}
-
 impl<F: Fn() -> TString<'static>> Swipable for UpdatableInfoScreen<F> {
     fn get_pager(&self) -> Pager {
         Pager::single_page()
@@ -93,6 +135,9 @@ impl<F: Fn() -> TString<'static>> Swipable for UpdatableInfoScreen<F> {
     }
 }
 
+trait UpdatableTextContent: Component + PaginateFull {}
+impl<'a, T> UpdatableTextContent for Paragraphs<T> where T: ParagraphSource<'a> {}
+
 #[cfg(feature = "ui_debug")]
 impl<F> crate::trace::Trace for UpdatableInfoScreen<F>
 where
@@ -100,6 +145,8 @@ where
 {
     fn trace(&self, t: &mut dyn crate::trace::Tracer) {
         t.component("UpdatableInfoScreen");
-        t.child("screen", &self.text_screen);
+        t.child("Header", &self.header);
+        t.child("Content", &self.paragraph);
+        t.child("ActionBar", &self.action_bar);
     }
 }

core/embed/rust/src/ui/layout_eckhart/flow/request_number.rs

@@ -17,9 +17,8 @@ use core::sync::atomic::{AtomicU16, Ordering};
 use super::super::{
     component::Button,
     firmware::{
-        ActionBar, Header, NumberInput, ShortMenuVec, TextScreenMsg, UpdatableInfoScreen,
-        ValueInputScreen, ValueInputScreenMsg, VerticalMenu, VerticalMenuScreen,
-        VerticalMenuScreenMsg,
+        ActionBar, Header, NumberInput, ShortMenuVec, UpdatableInfoScreen, ValueInputScreen,
+        ValueInputScreenMsg, VerticalMenu, VerticalMenuScreen, VerticalMenuScreenMsg,
     },
     theme,
 };
@@ -104,17 +103,16 @@ pub fn new_request_number(
         ));
 
     let content_menu = VerticalMenuScreen::new(menu_items)
-        .with_header(Header::new(TString::empty()).with_close_button())
+        .with_header(Header::new(title).with_close_button())
         .map(move |msg| match msg {
             VerticalMenuScreenMsg::Selected(i) => Some(FlowMsg::Choice(i)),
             VerticalMenuScreenMsg::Close => Some(FlowMsg::Cancelled),
             _ => None,
         });
 
-    let content_info = UpdatableInfoScreen::new(info_closure).map(|msg| match msg {
-        TextScreenMsg::Cancelled => Some(FlowMsg::Cancelled),
-        _ => None,
-    });
+    let content_info = UpdatableInfoScreen::new(info_closure)
+        .with_header(Header::new(title).with_close_button())
+        .map(|_| Some(FlowMsg::Cancelled));
 
     let mut res = SwipeFlow::new(&RequestNumber::Number)?;
     res.add_page(&RequestNumber::Number, content_input)?