properties: add a way to display pipeline properties

Pipeline properties displays all elements in
the pipeline.

src/app.rs

@@ -286,6 +286,7 @@ impl GPSApp {
         application.add_action(&gio::SimpleAction::new("favorite.remove", None));
 
         application.add_action(&gio::SimpleAction::new("graph.check", None));
+        application.add_action(&gio::SimpleAction::new("graph.pipeline_details", None));
 
         application.add_action(&gio::SimpleAction::new("port.delete", None));
         application.add_action(&gio::SimpleAction::new("port.properties", None));
@@ -655,6 +656,13 @@ impl GPSApp {
                             }
                         }
                     );
+                    let app_weak = app.downgrade();
+                    app.connect_app_menu_action("graph.pipeline_details",
+                        move |_,_| {
+                            let app = upgrade_weak!(app_weak);
+                            GPSUI::properties::display_pipeline_details(&app);
+                        }
+                    );
                     pop_menu.show();
                     None
                 }),

src/gps/element.rs

@@ -235,7 +235,9 @@ impl ElementInfo {
                         elements.append(&mut bin_elements);
                     } else {
                         GPS_INFO!("Found factory: {}", element.factory().unwrap().name());
-                        if element.factory().unwrap().name() == element_name {
+                        if element.factory().unwrap().name() == element_name
+                            || element_name.is_empty()
+                        {
                             GPS_INFO!("Found {}", element_name);
                             elements.push(element);
                         }

src/gps/player.rs

@@ -273,6 +273,10 @@ impl Player {
         }
     }
 
+    pub fn playing(&self) -> bool {
+        self.state() == PipelineState::Playing || self.state() == PipelineState::Paused
+    }
+
     pub fn downgrade(&self) -> PlayerWeak {
         PlayerWeak(Rc::downgrade(&self.0))
     }
@@ -308,6 +312,24 @@ impl Player {
         };
     }
 
+    pub fn pipeline_elements(&self) -> Option<Vec<String>> {
+        if self.playing() {
+            let bin = self
+                .pipeline
+                .borrow()
+                .clone()
+                .unwrap()
+                .dynamic_cast::<gst::Bin>()
+                .unwrap();
+            let elements_name: Vec<String> = ElementInfo::search_fo_element(&bin, "")
+                .iter()
+                .map(|e| e.factory().unwrap().name().to_string())
+                .collect();
+            return Some(elements_name);
+        }
+        None
+    }
+
     // Render graph methods
     fn process_gst_node(
         &self,

src/ui/gps.ui

@@ -51,6 +51,10 @@
         <attribute name="label" translatable="yes" comments="graph menu entry check graph">_Check graph</attribute>
         <attribute name="action">app.graph.check</attribute>
       </item>
+      <item>
+        <attribute name="label" translatable="yes" comments="graph menu entry pipeline details">_Pipeline details</attribute>
+        <attribute name="action">app.graph.pipeline_details</attribute>
+      </item>
     </section>
   </menu>
   <menu id="fav_menu">

src/ui/properties.rs

@@ -170,9 +170,14 @@ pub fn property_to_widget<F: Fn(String, String) + 'static>(
     }
 }
 
-pub fn display_plugin_properties(app: &GPSApp, element_name: &str, node_id: u32) {
+fn create_dialog<F: Fn(GPSApp, gtk::Dialog) + 'static>(
+    name: &str,
+    app: &GPSApp,
+    grid: &gtk::Grid,
+    f: F,
+) -> gtk::Dialog {
     let dialog = gtk::Dialog::with_buttons(
-        Some(&format!("{} properties", element_name)),
+        Some(name),
         Some(&app.window),
         gtk::DialogFlags::MODAL,
         &[("Close", gtk::ResponseType::Close)],
@@ -180,7 +185,29 @@ pub fn display_plugin_properties(app: &GPSApp, element_name: &str, node_id: u32)
 
     dialog.set_default_size(640, 480);
     dialog.set_modal(true);
+    let app_weak = app.downgrade();
+    dialog.connect_response(glib::clone!(@weak dialog => move |_,_| {
+        let app = upgrade_weak!(app_weak);
+        f(app, dialog)
+    }));
 
+    let scrolledwindow = gtk::ScrolledWindow::builder()
+        .hexpand(true)
+        .vexpand(true)
+        .build();
+    scrolledwindow.set_child(Some(grid));
+    let content_area = dialog.content_area();
+    content_area.append(&scrolledwindow);
+    content_area.set_vexpand(true);
+    content_area.set_margin_start(10);
+    content_area.set_margin_end(10);
+    content_area.set_margin_top(10);
+    content_area.set_margin_bottom(10);
+
+    dialog
+}
+
+pub fn display_plugin_properties(app: &GPSApp, element_name: &str, node_id: u32) {
     let update_properties: Rc<RefCell<HashMap<String, String>>> =
         Rc::new(RefCell::new(HashMap::new()));
     let properties = GPS::ElementInfo::element_properties(element_name).unwrap();
@@ -216,23 +243,12 @@ pub fn display_plugin_properties(app: &GPSApp, element_name: &str, node_id: u32)
             i += 1;
         }
     }
-    let scrolledwindow = gtk::ScrolledWindow::builder()
-        .hexpand(true)
-        .vexpand(true)
-        .build();
-    scrolledwindow.set_child(Some(&grid));
-    let content_area = dialog.content_area();
-    content_area.append(&scrolledwindow);
-    content_area.set_vexpand(true);
-    content_area.set_margin_start(10);
-    content_area.set_margin_end(10);
-    content_area.set_margin_top(10);
-    content_area.set_margin_bottom(10);
 
-    let app_weak = app.downgrade();
+    let dialog = create_dialog(
-    dialog.connect_response(
+        &format!("{} properties", element_name),
-        glib::clone!(@strong update_properties, @weak dialog => move |_,_| {
+        app,
-            let app = upgrade_weak!(app_weak);
+        &grid,
+        glib::clone!(@strong update_properties => move |app, dialog| {
             for p in update_properties.borrow().values() {
                 GPS_INFO!("updated properties {}", p);
             }
@@ -251,16 +267,6 @@ pub fn display_pad_properties(
     node_id: u32,
     port_id: u32,
 ) {
-    let dialog = gtk::Dialog::with_buttons(
-        Some(&format!("{} properties from {}", port_name, element_name,)),
-        Some(&app.window),
-        gtk::DialogFlags::MODAL,
-        &[("Close", gtk::ResponseType::Close)],
-    );
-
-    dialog.set_default_size(640, 480);
-    dialog.set_modal(true);
-
     let update_properties: Rc<RefCell<HashMap<String, String>>> =
         Rc::new(RefCell::new(HashMap::new()));
 
@@ -317,23 +323,11 @@ pub fn display_pad_properties(
 
     // Add all specific properties from the given element
 
-    let scrolledwindow = gtk::ScrolledWindow::builder()
+    let dialog = create_dialog(
-        .hexpand(true)
+        &format!("{} properties from {}", port_name, element_name),
-        .vexpand(true)
+        app,
-        .build();
+        &grid,
-    scrolledwindow.set_child(Some(&grid));
+        glib::clone!(@strong update_properties => move |app, dialog| {
-    let content_area = dialog.content_area();
-    content_area.append(&scrolledwindow);
-    content_area.set_vexpand(true);
-    content_area.set_margin_start(10);
-    content_area.set_margin_end(10);
-    content_area.set_margin_top(10);
-    content_area.set_margin_bottom(10);
-
-    let app_weak = app.downgrade();
-    dialog.connect_response(
-        glib::clone!(@strong update_properties, @weak dialog => move |_,_| {
-            let app = upgrade_weak!(app_weak);
             for p in update_properties.borrow().values() {
                 GPS_INFO!("updated properties {}", p);
             }
@@ -344,3 +338,38 @@ pub fn display_pad_properties(
 
     dialog.show();
 }
+
+pub fn display_pipeline_details(app: &GPSApp) {
+    let grid = gtk::Grid::new();
+    grid.set_column_spacing(4);
+    grid.set_row_spacing(4);
+    grid.set_margin_bottom(12);
+
+    if let Some(elements) = app.player.borrow().pipeline_elements() {
+        let elements_list = elements.join(" ");
+        let label = gtk::Label::builder()
+            .label("Elements:")
+            .hexpand(true)
+            .halign(gtk::Align::Start)
+            .valign(gtk::Align::Start)
+            .margin_start(4)
+            .build();
+
+        let value = gtk::Label::builder()
+            .label(&elements_list)
+            .hexpand(true)
+            .halign(gtk::Align::Start)
+            .margin_start(4)
+            .wrap(true)
+            .build();
+
+        grid.attach(&label, 0, 0_i32, 1, 1);
+        grid.attach(&value, 1, 0_i32, 1, 1);
+
+        let dialog = create_dialog("Pipeline properties", app, &grid, move |_app, dialog| {
+            dialog.close();
+        });
+
+        dialog.show();
+    }
+}