android: hide new post button when navigating

Fixes: https://github.com/damus-io/notedeck/issues/898
Signed-off-by: William Casarin <jb55@jb55.com>

crates/notedeck_columns/src/app.rs

@@ -8,7 +8,7 @@ use crate::{
     storage,
     subscriptions::{SubKind, Subscriptions},
     support::Support,
-    timeline::{self, thread::Threads, TimelineCache},
+    timeline::{self, kind::ListKind, thread::Threads, TimelineCache, TimelineKind},
     ui::{self, DesktopSidePanel},
     view_state::ViewState,
     Result,
@@ -581,25 +581,70 @@ fn render_damus_mobile(
         .is_some();
     let darkmode = ui.ctx().style().visuals.dark_mode;
 
-    if ui
-        .put(
+    // only show the compose button on profile pages and on home
+    if should_show_compose_button(&app.decks_cache, app_ctx.accounts) {
+        let compose_resp = ui.put(
             rect,
             ui::post::compose_note_button(is_interactive, darkmode),
-        )
-        .clicked()
-        && !app.columns(app_ctx.accounts).columns().is_empty()
-    {
-        let router = app.columns_mut(app_ctx.accounts).selected().router_mut();
-        if router.top() == &Route::ComposeNote {
-            router.go_back();
-        } else {
-            router.route_to(Route::ComposeNote);
+        );
+        if compose_resp.clicked() && !app.columns(app_ctx.accounts).columns().is_empty() {
+            let router = app
+                .columns_mut(app_ctx.accounts)
+                .selected_mut()
+                .router_mut();
+            if router.top() == &Route::ComposeNote {
+                router.go_back();
+            } else {
+                router.route_to(Route::ComposeNote);
+            }
         }
     }
 
     app_action
 }
 
+/// Should we show the compose button? When in threads we should hide it, etc
+fn should_show_compose_button(decks: &DecksCache, accounts: &Accounts) -> bool {
+    let Some(col) = decks.selected_column(accounts) else {
+        return false;
+    };
+
+    match col.router().top() {
+        Route::Timeline(timeline_kind) => {
+            match timeline_kind {
+                TimelineKind::List(list_kind) => match list_kind {
+                    ListKind::Contact(_pk) => true,
+                },
+
+                TimelineKind::Algo(_pk) => true,
+                TimelineKind::Profile(_pk) => true,
+                TimelineKind::Universe => true,
+                TimelineKind::Generic(_) => true,
+                TimelineKind::Hashtag(_) => true,
+
+                // no!
+                TimelineKind::Search(_) => false,
+                TimelineKind::Notifications(_) => false,
+            }
+        }
+
+        Route::Thread(_) => false,
+        Route::Accounts(_) => false,
+        Route::Reply(_) => false,
+        Route::Quote(_) => false,
+        Route::Relays => false,
+        Route::ComposeNote => false,
+        Route::AddColumn(_) => false,
+        Route::EditProfile(_) => false,
+        Route::Support => false,
+        Route::NewDeck => false,
+        Route::Search => false,
+        Route::EditDeck(_) => false,
+        Route::Wallet(_) => false,
+        Route::CustomizeZapAmount(_) => false,
+    }
+}
+
 #[profiling::function]
 fn render_damus_desktop(
     app: &mut Damus,

crates/notedeck_columns/src/column.rs

@@ -158,7 +158,12 @@ impl Columns {
     }
 
     #[inline]
-    pub fn selected(&mut self) -> &mut Column {
+    pub fn selected(&self) -> &Column {
+        &self.columns[self.selected as usize]
+    }
+
+    #[inline]
+    pub fn selected_mut(&mut self) -> &mut Column {
         &mut self.columns[self.selected as usize]
     }
 

crates/notedeck_columns/src/decks.rs

@@ -32,10 +32,15 @@ impl Default for DecksCache {
 impl DecksCache {
     /// Gets the first column in the currently active user's active deck
     pub fn selected_column_mut(&mut self, accounts: &notedeck::Accounts) -> Option<&mut Column> {
-        self.active_columns_mut(accounts).map(|ad| ad.selected())
+        self.active_columns_mut(accounts)
+            .map(|ad| ad.selected_mut())
     }
 
-    /// Gets the active columns
+    pub fn selected_column(&self, accounts: &notedeck::Accounts) -> Option<&Column> {
+        self.active_columns(accounts).map(|ad| ad.selected())
+    }
+
+    /// Gets a mutable reference to the active columns
     pub fn active_columns_mut(&mut self, accounts: &notedeck::Accounts) -> Option<&mut Columns> {
         let account = accounts.get_selected_account();
 
@@ -44,6 +49,15 @@ impl DecksCache {
             .map(|ad| ad.columns_mut())
     }
 
+    /// Gets an immutable reference to the active columns
+    pub fn active_columns(&self, accounts: &notedeck::Accounts) -> Option<&Columns> {
+        let account = accounts.get_selected_account();
+
+        self.decks(&account.key.pubkey)
+            .active_deck()
+            .map(|ad| ad.columns())
+    }
+
     pub fn new(mut account_to_decks: HashMap<Pubkey, Decks>) -> Self {
         let fallback_pubkey = FALLBACK_PUBKEY();
         account_to_decks.entry(fallback_pubkey).or_default();
@@ -187,7 +201,7 @@ impl Decks {
         &self.decks
     }
 
-    pub fn active_deck_mut(&mut self) -> Option<&mut Deck> {
+    fn active_deck_index(&self) -> Option<usize> {
         if self.decks.is_empty() {
             return None;
         }
@@ -197,7 +211,15 @@ impl Decks {
             return None;
         }
 
-        Some(&mut self.decks[active])
+        Some(active)
+    }
+
+    pub fn active_deck(&self) -> Option<&Deck> {
+        self.active_deck_index().map(|ind| &self.decks[ind])
+    }
+
+    pub fn active_deck_mut(&mut self) -> Option<&mut Deck> {
+        self.active_deck_index().map(|ind| &mut self.decks[ind])
     }
 
     pub fn decks_mut(&mut self) -> &mut Vec<Deck> {

crates/notedeck_ui/src/contacts.rs

@@ -41,14 +41,10 @@ fn note_follows(contacts_note: Note<'_>, pk: &[u8; 32]) -> bool {
             continue;
         }
 
-        let Some(t) = tag.get_str(0) else {
+        let Some("p") = tag.get_str(0) else {
             continue;
         };
 
-        if t != "p" {
-            continue;
-        }
-
         let Some(author) = tag.get_id(1) else {
             continue;
         };

crates/notedeck_ui/src/note/media.rs

@@ -6,8 +6,8 @@ use egui::{
 };
 use notedeck::{
     fonts::get_font_size, note::MediaAction, show_one_error_message, supported_mime_hosted_at_url,
-    ui::is_narrow, GifState, GifStateMap, Images, JobPool, MediaCache, MediaCacheType,
-    NotedeckTextStyle, TexturedImage, TexturesCache, UrlMimes,
+    GifState, GifStateMap, Images, JobPool, MediaCache, MediaCacheType, NotedeckTextStyle,
+    TexturedImage, TexturesCache, UrlMimes,
 };
 
 use crate::{
@@ -30,8 +30,8 @@ pub(crate) fn image_carousel(
 ) -> Option<MediaAction> {
     // let's make sure everything is within our area
 
-    let height = if is_narrow(ui.ctx()) { 90.0 } else { 360.0 };
-
+    //let height = if is_narrow(ui.ctx()) { 90.0 } else { 360.0 };
+    let height = 360.0;
     let width = ui.available_width();
 
     let show_popup = get_show_popup(ui, popup_id(carousel_id));