From 029188d632a48dfaa233999d11b53cd25baa3d15 Mon Sep 17 00:00:00 2001
From: Chris Cochrun <chris@cochrun.xyz>
Date: Fri, 15 Nov 2024 09:37:17 -0600
Subject: [PATCH] trying to make the slide preview more composable

---
 src/main.rs         | 27 ++++++++++--------
 src/ui/presenter.rs | 67 +++++++++++++++++++++++++++++++++++++++------
 2 files changed, 75 insertions(+), 19 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index fc2b6ec..74b7f6e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,6 @@
 use clap::{command, Parser};
 use cosmic::app::{Core, Settings, Task};
+use cosmic::dialog::ashpd::url::Url;
 use cosmic::iced::keyboard::Key;
 use cosmic::iced::window::Position;
 use cosmic::iced::{
@@ -12,7 +13,7 @@ use cosmic::widget::tooltip::Position as TPosition;
 use cosmic::widget::{button, image, nav_bar, text, tooltip, Space};
 use cosmic::{executor, Application, ApplicationExt, Element};
 use cosmic::{widget::Container, Theme};
-use iced_video_player::VideoPlayer;
+use iced_video_player::{Video, VideoPlayer};
 use miette::{miette, Result};
 use std::path::PathBuf;
 use tracing::{debug, level_filters::LevelFilter};
@@ -68,16 +69,18 @@ fn theme(_state: &App) -> Theme {
     Theme::dark()
 }
 
-struct App<'a> {
+struct App {
     core: Core,
     nav_model: nav_bar::Model,
     file: PathBuf,
-    presenter: Presenter<'a>,
+    presenter: Presenter,
     windows: Vec<window::Id>,
     slides: Vec<Slide>,
+    current_slide: Slide,
+    current_video: Option<Video>
 }
 
-impl Default for App<'_> {
+impl Default for App {
     fn default() -> Self {
         let initial_slide = SlideBuilder::new()
             .background(PathBuf::from(
@@ -88,14 +91,15 @@ impl Default for App<'_> {
             .build()
             .expect("oops slide");
         let slides = vec![initial_slide];
-        let presenter = Presenter::with_app_slides(&slides);
+        let presenter = Presenter::with_app_slides(slides.clone());
         Self {
             presenter,
             core: Core::default(),
             nav_model: nav_bar::Model::default(),
             file: PathBuf::default(),
             windows: vec![],
-            slides: vec![initial_slide],
+            slides,
+            current_slide: initial_slide.clone(),
         }
     }
 }
@@ -154,8 +158,9 @@ impl cosmic::Application for App {
             .video_end_time(0.0)
             .build()
             .expect("oops slide");
+        let slides = vec![initial_slide];
         let presenter =
-            Presenter::with_initial_slide(initial_slide.clone());
+            Presenter::with_app_slides(slides.clone());
 
         let mut app = App {
             core,
@@ -163,7 +168,7 @@ impl cosmic::Application for App {
             file: input.file,
             windows,
             presenter,
-            slides: vec![initial_slide],
+            slides
         };
 
         let command;
@@ -375,6 +380,7 @@ impl cosmic::Application for App {
             .slides
             .get(self.presenter.current_slide as usize)
             .unwrap();
+        debug!("rewritten");
         let container = match slide.background().kind {
             crate::BackgroundKind::Image => Container::new(
                 image("/home/chris/pics/frodo.jpg")
@@ -434,9 +440,8 @@ impl cosmic::Application for App {
 
     // View for presentation
     fn view_window(&self, _id: window::Id) -> Element<Message> {
-        self.presenter
-            .view()
-            .map(|message| Message::Present(message))
+        let video = self.current_slide.background().path.clone();
+        presenter::slide_view(&self.current_slide, &self.current_video).map(|message|Message::Present(message))
     }
 }
 
diff --git a/src/ui/presenter.rs b/src/ui/presenter.rs
index 2e6299e..6d68c7e 100644
--- a/src/ui/presenter.rs
+++ b/src/ui/presenter.rs
@@ -1,4 +1,4 @@
-use std::path::PathBuf;
+use std::{path::PathBuf, rc::Rc};
 
 use cosmic::{
     dialog::ashpd::url::Url,
@@ -11,14 +11,14 @@ use cosmic::{
     Task,
 };
 use iced_video_player::{Video, VideoPlayer};
-use miette::{Context, IntoDiagnostic};
+use miette::{Context, IntoDiagnostic, Result};
 use tracing::{debug, error};
 
 use crate::core::slide::Slide;
 
 // #[derive(Default, Clone, Debug)]
-pub(crate) struct Presenter<'a> {
-    pub slides: &'a Vec<Slide>,
+pub(crate) struct Presenter {
+    pub slides: Vec<Slide>,
     pub current_slide: i16,
     pub video: Option<Video>,
 }
@@ -30,12 +30,31 @@ pub(crate) enum Message {
     SlideChange(u8),
 }
 
-impl<'a> Presenter<'a> {
-    pub fn with_app_slides(slides: &'a Vec<Slide>) -> Self {
+impl Presenter {
+    pub fn with_app_slides(slides: Vec<Slide>) -> Self {
         Self {
-            slides: slides,
+            slides: slides.clone(),
             current_slide: 0,
-            video: None,
+            video: {
+                if let Some(slide) = slides.get(0) {
+                    let path = slide.background().path.clone();
+                    if path.exists() {
+                        let url = Url::from_file_path(path).unwrap();
+                        let result = Video::new(&url);
+                        match result {
+                            Ok(v) => Some(v),
+                            Err(e) => {
+                                error!("Had an error creating the video object: {e}");
+                                None
+                            }
+                        }
+                    } else {
+                        None
+                    }
+                } else {
+                    None
+                }
+            },
         }
     }
     // pub fn with_initial_slide(slide: Slide) -> Self {
@@ -117,3 +136,35 @@ impl<'a> Presenter<'a> {
         stack.into()
     }
 }
+
+pub(crate) fn slide_view<'a>(
+    slide: &'a Slide,
+    video: &'a Option<Video>,
+) -> Element<'a, Message> {
+    let text = text!("{}", slide.text()).size(50);
+    let text = Container::new(text).center(Length::Fill);
+    let container = match slide.background().kind {
+        crate::BackgroundKind::Image => Container::new(
+            image("/home/chris/pics/frodo.jpg")
+                .content_fit(ContentFit::Cover)
+                .width(Length::Fill)
+                .height(Length::Fill),
+        ),
+        crate::BackgroundKind::Video => {
+            if let Some(video) = video {
+                Container::new(
+                    VideoPlayer::new(video)
+                        .width(Length::Fill)
+                        .height(Length::Fill)
+                        .content_fit(ContentFit::Cover),
+                )
+            } else {
+                Container::new(Space::new(Length::Fill, Length::Fill))
+            }
+        }
+    };
+    let stack = stack!(container, text)
+        .width(Length::Fill)
+        .height(Length::Fill);
+    stack.into()
+}