wip translated ui playbar class

src/main.rs

@@ -28,6 +28,8 @@ extern "C" {}
 fn main() -> glib::ExitCode {
     gio::resources_register_include!("audrey.gresource").expect("could not register resources");
 
+    ui::Playbar::ensure_type();
+
     gtk::disable_setlocale();
     bindtextdomain("audrey", meson_config::LOCALEDIR).expect("failed to bind text domain");
     bind_textdomain_codeset("audrey", "UTF-8").expect("failed to bind textdomaincodeset");

src/meson.build

@@ -5,7 +5,7 @@ audrey_sources = [
   'playbin.vala',
   'subsonic.vala',
   'ui/play_queue.vala',
-  'ui/playbar.vala',
+  'ui/playbar.vapi',
   'ui/setup.vala',
   'ui/window.vala',
 ]

src/playbin.rs

@@ -1,6 +1,9 @@
 mod song;
 pub use song::Song;
 
+mod state;
+pub use state::State;
+
 mod ffi {
     use gtk::glib;
 

src/playbin/song.rs

@@ -13,6 +13,15 @@ mod ffi {
 
     extern "C" {
         pub fn audrey_playbin_song_get_type() -> glib::ffi::GType;
+        pub fn audrey_playbin_song_get_title(
+            self_: *mut AudreyPlaybinSong,
+        ) -> *const std::ffi::c_char;
+        pub fn audrey_playbin_song_get_artist(
+            self_: *mut AudreyPlaybinSong,
+        ) -> *const std::ffi::c_char;
+        pub fn audrey_playbin_song_get_album(
+            self_: *mut AudreyPlaybinSong,
+        ) -> *const std::ffi::c_char;
     }
 }
 
@@ -25,3 +34,35 @@ glib::wrapper! {
         type_ => || ffi::audrey_playbin_song_get_type(),
     }
 }
+
+impl Song {
+    pub fn get_title(&self) -> std::borrow::Cow<'_, str> {
+        use glib::translate::ToGlibPtr;
+
+        // TODO: memory management....
+        String::from_utf8_lossy(unsafe {
+            std::ffi::CStr::from_ptr(ffi::audrey_playbin_song_get_title(self.to_glib_none().0))
+                .to_bytes()
+        })
+    }
+
+    pub fn get_artist(&self) -> std::borrow::Cow<'_, str> {
+        use glib::translate::ToGlibPtr;
+
+        // TODO: memory management....
+        String::from_utf8_lossy(unsafe {
+            std::ffi::CStr::from_ptr(ffi::audrey_playbin_song_get_artist(self.to_glib_none().0))
+                .to_bytes()
+        })
+    }
+
+    pub fn get_album(&self) -> std::borrow::Cow<'_, str> {
+        use glib::translate::ToGlibPtr;
+
+        // TODO: memory management....
+        String::from_utf8_lossy(unsafe {
+            std::ffi::CStr::from_ptr(ffi::audrey_playbin_song_get_album(self.to_glib_none().0))
+                .to_bytes()
+        })
+    }
+}

src/playbin/state.rs

@@ -0,0 +1,38 @@
+mod ffi {
+    use gtk::glib;
+
+    extern "C" {
+        pub fn audrey_playbin_state_get_type() -> glib::ffi::GType;
+    }
+}
+
+use gtk::glib;
+use glib::prelude::*;
+
+#[derive(Copy, Clone, PartialEq, Eq)]
+pub enum State {
+    Stopped,
+    Paused,
+    Playing,
+}
+
+unsafe impl<'a> glib::value::FromValue<'a> for State {
+    type Checker = glib::value::GenericValueTypeChecker<Self>;
+
+    unsafe fn from_value(value: &'a glib::Value) -> Self {
+        use glib::translate::ToGlibPtr;
+
+        match glib::gobject_ffi::g_value_get_enum(value.to_glib_none().0) {
+            0 => Self::Stopped,
+            1 => Self::Paused,
+            2 => Self::Playing,
+            _ => unreachable!(),
+        }
+    }
+}
+
+impl StaticType for State {
+    fn static_type() -> glib::Type {
+        unsafe { glib::translate::from_glib(ffi::audrey_playbin_state_get_type()) }
+    }
+}

src/subsonic/song.rs

@@ -1,6 +1,6 @@
 mod ffi {
-    use std::ffi::*;
     use gtk::glib;
+    use std::ffi::*;
 
     #[repr(C)]
     #[derive(Copy, Clone)]
@@ -19,7 +19,8 @@ mod ffi {
     }
 
     extern "C" {
-        pub fn audrey_subsonic_song_copy(ptr: *const AudreySubsonicSong) -> *mut AudreySubsonicSong;
+        pub fn audrey_subsonic_song_copy(ptr: *const AudreySubsonicSong)
+            -> *mut AudreySubsonicSong;
         pub fn audrey_subsonic_song_free(ptr: *mut AudreySubsonicSong);
         pub fn audrey_subsonic_song_get_type() -> glib::ffi::GType;
     }

src/ui/playbar.h

@@ -0,0 +1 @@
+typedef struct _AudreyUiPlaybar AudreyUiPlaybar;

src/ui/playbar.rs

@@ -1,29 +1,178 @@
-mod ffi {
-    use gtk::glib;
+mod imp {
+    use adw::prelude::*;
+    use adw::subclass::prelude::*;
+    use glib::subclass::InitializingObject;
+    use gtk::{gdk, glib};
+    use std::cell::{Cell, RefCell};
 
-    #[repr(C)]
-    pub struct AudreyUiPlaybar {
-        parent_instance: adw::ffi::AdwBin,
+    #[derive(glib::Properties, gtk::CompositeTemplate, Default)]
+    #[properties(wrapper_type = super::Playbar)]
+    #[template(resource = "/eu/callcc/audrey/playbar.ui")]
+    pub struct Playbar {
+        #[property(get, set)]
+        song: RefCell<Option<crate::playbin::Song>>,
+        #[property(get, set)]
+        playing_cover_art: RefCell<Option<gdk::Paintable>>,
+        #[property(get, set)]
+        playbin: RefCell<Option<crate::Playbin>>, // TODO: weak
+        #[property(get, set, default = true)]
+        show_cover_art: Cell<bool>,
+
+        #[property(get, set)]
+        volume: Cell<i32>,
     }
 
-    #[repr(C)]
-    pub struct AudreyUiPlaybarClass {
-        parent_class: adw::ffi::AdwBinClass,
+    #[glib::object_subclass]
+    impl ObjectSubclass for Playbar {
+        const NAME: &'static str = "AudreyUiPlaybar";
+        type Type = super::Playbar;
+        type ParentType = adw::Bin;
+
+        fn class_init(klass: &mut Self::Class) {
+            klass.bind_template();
+            klass.bind_template_callbacks();
+        }
+
+        fn instance_init(obj: &InitializingObject<Self>) {
+            obj.init_template();
+        }
     }
 
-    extern "C" {
-        pub fn audrey_ui_playbar_get_type() -> glib::ffi::GType;
+    #[glib::derived_properties]
+    impl ObjectImpl for Playbar {}
+
+    impl WidgetImpl for Playbar {}
+
+    impl BinImpl for Playbar {}
+
+    #[gtk::template_callbacks]
+    impl Playbar {
+        #[template_callback]
+        fn song_title(&self, song: Option<&crate::playbin::Song>) -> String {
+            match song {
+                None => "".to_owned(),
+                Some(song) => song.get_title().to_string(),
+            }
+        }
+
+        #[template_callback]
+        fn song_artist(&self, song: Option<&crate::playbin::Song>) -> String {
+            match song {
+                None => "".to_owned(),
+                Some(song) => song.get_artist().to_string(),
+            }
+        }
+
+        #[template_callback]
+        fn song_album(&self, song: Option<&crate::playbin::Song>) -> String {
+            match song {
+                None => "".to_owned(),
+                Some(song) => song.get_album().to_string(),
+            }
+        }
+
+        #[template_callback]
+        fn format_timestamp(&self, s: f64) -> String {
+            format!("{:02}:{:02}", (s as i64) / 64, (s as i64) % 60)
+        }
+
+        #[template_callback]
+        fn playbin_active(&self, state: crate::playbin::State) -> bool {
+            state != crate::playbin::State::Stopped
+        }
+
+        #[template_callback]
+        fn can_press_play(&self, state: crate::playbin::State, n_items: u32) -> bool {
+            !(state == crate::playbin::State::Stopped && n_items == 0)
+        }
+
+        #[template_callback]
+        fn play_pause_icon_name(&self, state: crate::playbin::State) -> &'static str {
+            match state {
+                crate::playbin::State::Playing => "media-playback-pause",
+                _ => "media-playback-start",
+            }
+        }
+
+        #[template_callback]
+        fn mute_button_icon_name(&self, mute: bool) -> &'static str {
+            if mute { "audio-volume-muted" } else { "audio-volume-high" }
+        }
+
+        #[template_callback]
+        fn on_play_position_seek(&self, _range: &gtk::Range, _scroll_type: gtk::ScrollType, _value: f64) -> bool {
+            /*
+            if (range.adjustment.lower < range.adjustment.upper) {
+                this.playbin.seek ((int64) value);
+            }
+            return false;
+            */
+            todo!()
+        }
+
+        #[template_callback]
+        fn on_skip_forward_clicked(&self) {
+            // this.playbin.go_to_next_track ();
+            todo!()
+        }
+
+        #[template_callback]
+        fn on_skip_backward_clicked(&self) {
+            // this.playbin.go_to_prev_track ();
+            todo!()
+        }
+
+        #[template_callback]
+        fn seek_backward(&self) {
+            // 10 seconds
+            // double new_position = playbin.position - 10.0;
+            // if (new_position < 0.0) new_position = 0.0;
+            // this.playbin.seek (new_position);
+            todo!()
+        }
+
+        #[template_callback]
+        fn seek_forward(&self) {
+            // 10 seconds
+            // double new_position = playbin.position + 10.0;
+            // if (new_position > this.playbin.duration) new_position = this.playbin.duration;
+            // this.playbin.seek (new_position);
+            todo!()
+        }
+        
+        #[template_callback]
+        fn on_play_pause_clicked(&self) {
+            // if (this.playbin.state == PlaybinState.PLAYING) {
+            //     this.playbin.pause();
+            // } else {
+            //     this.playbin.play();
+            // }
+            todo!()
+        }
+
+        #[template_callback]
+        fn on_mute_toggle(&self) {
+            //this.playbin.mute = !this.playbin.mute;
+            todo!()
+        }
     }
 }
 
 use gtk::glib;
 
 glib::wrapper! {
-    pub struct Playbar(Object<ffi::AudreyUiPlaybar, ffi::AudreyUiPlaybarClass>)
+    pub struct Playbar(ObjectSubclass<imp::Playbar>)
         @extends adw::Bin, gtk::Widget,
         @implements gtk::Accessible, gtk::Buildable, gtk::ConstraintTarget;
+}
 
-    match fn {
-        type_ => || ffi::audrey_ui_playbar_get_type(),
+mod ffi {
+    use glib::translate::IntoGlib;
+    use gtk::glib;
+    use gtk::prelude::*;
+
+    #[no_mangle]
+    pub extern "C" fn audrey_ui_playbar_get_type() -> glib::ffi::GType {
+        super::Playbar::static_type().into_glib()
     }
 }

src/ui/playbar.vapi

@@ -1,15 +1,21 @@
-[GtkTemplate (ui = "/eu/callcc/audrey/playbar.ui")]
-class Audrey.Ui.Playbar : Adw.Bin {
-    public PlaybinSong? song { get; set; }
+// [GtkTemplate (ui = "/eu/callcc/audrey/playbar.ui")]
+[CCode (cheader_filename = "ui/playbar.h")]
+public class Audrey.Ui.Playbar : Adw.Bin {
+    public PlaybinSong? song {
+        get;
+        set;
+    }
     public Gdk.Paintable? playing_cover_art { get; set; }
     public weak Playbin playbin { get; set; }
-    public bool show_cover_art { get; set; default = true; }
+    public bool show_cover_art { get; set; /*default = true;*/ }
 
-    public int volume {
+    public int volume { get; set; }
+    /*{
         get { return playbin == null ? 100 : playbin.volume; }
         set { playbin.volume = value; }
-    }
+    }*/
 
+    /*
     [GtkCallback] private string format_timestamp (double s) {
         return "%02d:%02d".printf (((int) s)/60, ((int) s)%60);
     }
@@ -90,4 +96,5 @@ class Audrey.Ui.Playbar : Adw.Bin {
     ~Playbar () {
         debug ("destroying playbar widget");
     }
+    */
 }