Add command to copy direct link to fully qualified URL

crates/re_build_info/src/build_info.rs

@@ -55,6 +55,18 @@ impl BuildInfo {
             self.git_hash.to_owned()
         }
     }
+
+    pub fn short_git_hash(&self) -> &str {
+        if self.git_hash.is_empty() {
+            ""
+        } else {
+            &self.git_hash[..7]
+        }
+    }
+
+    pub fn is_final(&self) -> bool {
+        self.version.meta.is_none()
+    }
 }
 
 /// For use with e.g. `--version`

crates/re_ui/src/command.rs

@@ -61,6 +61,9 @@ pub enum UICommand {
     ScreenshotWholeApp,
     #[cfg(not(target_arch = "wasm32"))]
     PrintDatastore,
+
+    #[cfg(target_arch = "wasm32")]
+    CopyDirectLink,
 }
 
 impl UICommand {
@@ -161,6 +164,12 @@ impl UICommand {
                 "Print datastore",
                 "Prints the entire data store to the console. WARNING: this may be A LOT of text.",
             ),
+
+            #[cfg(target_arch = "wasm32")]
+            UICommand::CopyDirectLink => (
+                "Copy direct link",
+                "Copy a link to the viewer with the URL parameter set to the current .rrd data source."
+            )
         }
     }
 
@@ -231,6 +240,9 @@ impl UICommand {
             UICommand::ScreenshotWholeApp => None,
             #[cfg(not(target_arch = "wasm32"))]
             UICommand::PrintDatastore => None,
+
+            #[cfg(target_arch = "wasm32")]
+            UICommand::CopyDirectLink => None,
         }
     }
 

crates/re_viewer/src/app.rs

@@ -524,6 +524,10 @@ impl App {
                     }
                 }
             }
+            #[cfg(target_arch = "wasm32")]
+            UICommand::CopyDirectLink => {
+                self.run_copy_direct_link_command(store_context);
+            }
         }
     }
 
@@ -562,6 +566,38 @@ impl App {
         }
     }
 
+    #[cfg(target_arch = "wasm32")]
+    fn run_copy_direct_link_command(&mut self, store_context: Option<&StoreContext<'_>>) {
+        let location = eframe::web::web_location();
+        let mut href = location.origin;
+        if location.host == "app.rerun.io" {
+            // links to `app.rerun.io` can be made into permanent links:
+            let path = if self.build_info.is_final() {
+                // final release, use version tag
+                format!("version/{}", self.build_info.version)
+            } else {
+                // not a final release, use commit hash
+                format!("commit/{}", self.build_info.short_git_hash())
+            };
+            href = format!("{href}/{path}");
+        }
+        let direct_link = match store_context
+            .and_then(|ctx| ctx.recording)
+            .and_then(|rec| rec.data_source.as_ref())
+        {
+            Some(SmartChannelSource::RrdHttpStream { url }) => format!("{href}/?url={url}"),
+            _ => href,
+        };
+        self.re_ui
+            .egui_ctx
+            .output_mut(|o| o.copied_text = direct_link.clone());
+        self.toasts.add(toasts::Toast {
+            kind: toasts::ToastKind::Success,
+            text: format!("Copied {direct_link:?} to clipboard"),
+            options: toasts::ToastOptions::with_ttl_in_seconds(4.0),
+        });
+    }
+
     fn memory_panel_ui(
         &mut self,
         ui: &mut egui::Ui,