implement consistent open/import/log_file behavior for all cases

Cargo.lock

@@ -5376,6 +5376,7 @@ dependencies = [
  "re_types",
  "tempfile",
  "thiserror",
+ "uuid",
  "walkdir",
 ]
 
@@ -6415,6 +6416,7 @@ dependencies = [
  "strum",
  "strum_macros",
  "thiserror",
+ "uuid",
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "web-sys",

crates/store/re_data_loader/Cargo.toml

@@ -43,6 +43,7 @@ once_cell.workspace = true
 parking_lot.workspace = true
 rayon.workspace = true
 thiserror.workspace = true
+uuid.workspace = true
 walkdir.workspace = true
 
 [target.'cfg(not(any(target_arch = "wasm32")))'.dependencies]

crates/store/re_data_loader/src/lib.rs

@@ -64,6 +64,12 @@ pub struct DataLoaderSettings {
     /// The [`re_log_types::StoreId`] that is currently opened in the viewer, if any.
     pub opened_store_id: Option<re_log_types::StoreId>,
 
+    /// Whether `SetStoreInfo`s should be sent, regardless of the surrounding context.
+    ///
+    /// Only useful when creating a recording just-in-time directly in the viewer (which is what
+    /// happens when importing things into the welcome screen).
+    pub force_store_info: bool,
+
     /// What should the logged entity paths be prefixed with?
     pub entity_path_prefix: Option<EntityPath>,
 
@@ -79,6 +85,7 @@ impl DataLoaderSettings {
             opened_application_id: Default::default(),
             store_id: store_id.into(),
             opened_store_id: Default::default(),
+            force_store_info: false,
             entity_path_prefix: Default::default(),
             timepoint: Default::default(),
         }
@@ -91,6 +98,7 @@ impl DataLoaderSettings {
             opened_application_id,
             store_id,
             opened_store_id,
+            force_store_info: _,
             entity_path_prefix,
             timepoint,
         } = self;
@@ -150,6 +158,8 @@ impl DataLoaderSettings {
     }
 }
 
+pub type DataLoaderName = String;
+
 /// A [`DataLoader`] loads data from a file path and/or a file's contents.
 ///
 /// Files can be loaded in 3 different ways:
@@ -205,8 +215,8 @@ impl DataLoaderSettings {
 pub trait DataLoader: Send + Sync {
     /// Name of the [`DataLoader`].
     ///
-    /// Doesn't need to be unique.
-    fn name(&self) -> String;
+    /// Should be globally unique.
+    fn name(&self) -> DataLoaderName;
 
     /// Loads data from a file on the local filesystem and sends it to `tx`.
     ///
@@ -314,20 +324,31 @@ impl DataLoaderError {
 /// most convenient for them, whether it is raw components, arrow chunks or even
 /// full-on [`LogMsg`]s.
 pub enum LoadedData {
-    Chunk(re_log_types::StoreId, Chunk),
-    ArrowMsg(re_log_types::StoreId, ArrowMsg),
-    LogMsg(LogMsg),
+    Chunk(DataLoaderName, re_log_types::StoreId, Chunk),
+    ArrowMsg(DataLoaderName, re_log_types::StoreId, ArrowMsg),
+    LogMsg(DataLoaderName, LogMsg),
 }
 
 impl LoadedData {
+    /// Returns the name of the [`DataLoader`] that generated this data.
+    #[inline]
+    pub fn data_loader_name(&self) -> &DataLoaderName {
+        match self {
+            Self::Chunk(name, ..) | Self::ArrowMsg(name, ..) | Self::LogMsg(name, ..) => name,
+        }
+    }
+
     /// Pack the data into a [`LogMsg`].
+    #[inline]
     pub fn into_log_msg(self) -> ChunkResult<LogMsg> {
         match self {
-            Self::Chunk(store_id, chunk) => Ok(LogMsg::ArrowMsg(store_id, chunk.to_arrow_msg()?)),
+            Self::Chunk(_name, store_id, chunk) => {
+                Ok(LogMsg::ArrowMsg(store_id, chunk.to_arrow_msg()?))
+            }
 
-            Self::ArrowMsg(store_id, msg) => Ok(LogMsg::ArrowMsg(store_id, msg)),
+            Self::ArrowMsg(_name, store_id, msg) => Ok(LogMsg::ArrowMsg(store_id, msg)),
 
-            Self::LogMsg(msg) => Ok(msg),
+            Self::LogMsg(_name, msg) => Ok(msg),
         }
     }
 }

crates/store/re_data_loader/src/load_file.rs

@@ -4,7 +4,7 @@ use ahash::{HashMap, HashMapExt};
 use re_log_types::{FileSource, LogMsg};
 use re_smart_channel::Sender;
 
-use crate::{DataLoaderError, LoadedData};
+use crate::{DataLoader, DataLoaderError, LoadedData, RrdLoader};
 
 // ---
 
@@ -37,7 +37,7 @@ pub fn load_from_path(
 
     let rx = load(settings, path, None)?;
 
-    send(settings.clone(), file_source, path.to_owned(), rx, tx);
+    send(settings.clone(), file_source, rx, tx);
 
     Ok(())
 }
@@ -64,7 +64,7 @@ pub fn load_from_file_contents(
 
     let data = load(settings, filepath, Some(contents))?;
 
-    send(settings.clone(), file_source, filepath.to_owned(), data, tx);
+    send(settings.clone(), file_source, data, tx);
 
     Ok(())
 }
@@ -73,21 +73,20 @@ pub fn load_from_file_contents(
 
 /// Prepares an adequate [`re_log_types::StoreInfo`] [`LogMsg`] given the input.
 pub(crate) fn prepare_store_info(
+    application_id: re_log_types::ApplicationId,
     store_id: &re_log_types::StoreId,
     file_source: FileSource,
-    path: &std::path::Path,
 ) -> LogMsg {
-    re_tracing::profile_function!(path.display().to_string());
+    re_tracing::profile_function!();
 
     use re_log_types::SetStoreInfo;
 
-    let app_id = re_log_types::ApplicationId(path.display().to_string());
     let store_source = re_log_types::StoreSource::File { file_source };
 
     LogMsg::SetStoreInfo(SetStoreInfo {
         row_id: *re_chunk::RowId::new(),
         info: re_log_types::StoreInfo {
-            application_id: app_id.clone(),
+            application_id,
             store_id: store_id.clone(),
             cloned_from: None,
             is_official_example: false,
@@ -263,14 +262,19 @@ pub(crate) fn load(
 pub(crate) fn send(
     settings: crate::DataLoaderSettings,
     file_source: FileSource,
-    path: std::path::PathBuf,
     rx_loader: std::sync::mpsc::Receiver<LoadedData>,
     tx: &Sender<LogMsg>,
 ) {
     spawn({
         re_tracing::profile_function!();
 
-        let mut store_info_tracker: HashMap<re_log_types::StoreId, bool> = HashMap::new();
+        #[derive(Default, Debug)]
+        struct Tracked {
+            is_rrd_or_rbl: bool,
+            already_has_store_info: bool,
+        }
+
+        let mut store_info_tracker: HashMap<re_log_types::StoreId, Tracked> = HashMap::new();
 
         let tx = tx.clone();
         move || {
@@ -280,6 +284,7 @@ pub(crate) fn send(
             // poll the channel in any case so as to make sure that the data producer
             // doesn't get stuck.
             for data in rx_loader {
+                let data_loader_name = data.data_loader_name().clone();
                 let msg = match data.into_log_msg() {
                     Ok(msg) => {
                         let store_info = match &msg {
@@ -293,7 +298,10 @@ pub(crate) fn send(
                         };
 
                         if let Some((store_id, store_info_created)) = store_info {
-                            *store_info_tracker.entry(store_id).or_default() |= store_info_created;
+                            let tracked = store_info_tracker.entry(store_id).or_default();
+                            tracked.is_rrd_or_rbl =
+                                *data_loader_name == RrdLoader::name(&RrdLoader);
+                            tracked.already_has_store_info |= store_info_created;
                         }
 
                         msg
@@ -306,16 +314,25 @@ pub(crate) fn send(
                 tx.send(msg).ok();
             }
 
-            for (store_id, store_info_already_created) in store_info_tracker {
+            for (store_id, tracked) in store_info_tracker {
                 let is_a_preexisting_recording =
                     Some(&store_id) == settings.opened_store_id.as_ref();
 
-                if store_info_already_created || is_a_preexisting_recording {
-                    continue;
-                }
+                // Never try to send custom store info for RRDs and RBLs, they always have their own, and
+                // it's always right.
+                let should_force_store_info = !tracked.is_rrd_or_rbl && settings.force_store_info;
+
+                let should_send_new_store_info = should_force_store_info
+                    || (!tracked.already_has_store_info && !is_a_preexisting_recording);
 
-                let store_info = prepare_store_info(&store_id, file_source.clone(), &path);
-                tx.send(store_info).ok();
+                if should_send_new_store_info {
+                    let app_id = settings
+                        .opened_application_id
+                        .clone()
+                        .unwrap_or_else(|| uuid::Uuid::new_v4().to_string().into());
+                    let store_info = prepare_store_info(app_id, &store_id, file_source.clone());
+                    tx.send(store_info).ok();
+                }
             }
 
             tx.quit(None).ok();

crates/store/re_data_loader/src/loader_archetype.rs

@@ -138,7 +138,7 @@ impl DataLoader for ArchetypeLoader {
             .clone()
             .unwrap_or_else(|| settings.store_id.clone());
         for row in rows {
-            let data = LoadedData::Chunk(store_id.clone(), row);
+            let data = LoadedData::Chunk(Self::name(&Self), store_id.clone(), row);
             if tx.send(data).is_err() {
                 break; // The other end has decided to hang up, not our problem.
             }

crates/store/re_data_loader/src/loader_external.rs

@@ -6,7 +6,7 @@ use std::{
 use ahash::HashMap;
 use once_cell::sync::Lazy;
 
-use crate::LoadedData;
+use crate::{DataLoader, LoadedData};
 
 // ---
 
@@ -321,7 +321,7 @@ fn decode_and_stream<R: std::io::Read>(
             }
         };
 
-        let data = LoadedData::LogMsg(msg);
+        let data = LoadedData::LogMsg(ExternalLoader::name(&ExternalLoader), msg);
         if tx.send(data).is_err() {
             break; // The other end has decided to hang up, not our problem.
         }

crates/store/re_data_loader/src/loader_rrd.rs

@@ -4,7 +4,7 @@ use re_log_encoding::decoder::Decoder;
 use crossbeam::channel::Receiver;
 use re_log_types::{ApplicationId, StoreId};
 
-use crate::LoadedData;
+use crate::{DataLoader as _, LoadedData};
 
 // ---
 
@@ -192,7 +192,7 @@ fn decode_and_stream<R: std::io::Read>(
             msg
         };
 
-        let data = LoadedData::LogMsg(msg);
+        let data = LoadedData::LogMsg(RrdLoader::name(&RrdLoader), msg);
         if tx.send(data).is_err() {
             break; // The other end has decided to hang up, not our problem.
         }

crates/store/re_data_source/src/data_source.rs

@@ -178,6 +178,7 @@ impl DataSource {
                 let settings = re_data_loader::DataLoaderSettings {
                     opened_application_id: file_source.recommended_application_id().cloned(),
                     opened_store_id: file_source.recommended_recording_id().cloned(),
+                    force_store_info: file_source.force_store_info(),
                     ..re_data_loader::DataLoaderSettings::recommended(shared_store_id)
                 };
                 re_data_loader::load_from_path(&settings, file_source, &path, &tx)
@@ -206,6 +207,7 @@ impl DataSource {
                 let settings = re_data_loader::DataLoaderSettings {
                     opened_application_id: file_source.recommended_application_id().cloned(),
                     opened_store_id: file_source.recommended_recording_id().cloned(),
+                    force_store_info: file_source.force_store_info(),
                     ..re_data_loader::DataLoaderSettings::recommended(shared_store_id)
                 };
                 re_data_loader::load_from_file_contents(
@@ -275,6 +277,7 @@ fn test_data_source_from_uri() {
     let file_source = FileSource::DragAndDrop {
         recommended_application_id: None,
         recommended_recording_id: None,
+        force_store_info: false,
     };
 
     for uri in file {

crates/store/re_log_types/src/lib.rs

@@ -405,6 +405,9 @@ impl std::fmt::Display for PythonVersion {
     }
 }
 
+// NOTE: Regarding serde(skip): when loading a recording into the viewer (let's say using
+// drag-n-drop), the file source of that recording will be set to drag-n-drop.
+// If you then save this recording to a file
 #[derive(Clone, Debug, PartialEq, Eq, Hash)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub enum FileSource {
@@ -413,21 +416,39 @@ pub enum FileSource {
     DragAndDrop {
         /// The [`ApplicationId`] that the viewer heuristically recommends should be used when loading
         /// this data source, based on the surrounding context.
+        #[cfg_attr(feature = "serde", serde(skip))]
         recommended_application_id: Option<ApplicationId>,
 
         /// The [`StoreId`] that the viewer heuristically recommends should be used when loading
         /// this data source, based on the surrounding context.
+        #[cfg_attr(feature = "serde", serde(skip))]
         recommended_recording_id: Option<StoreId>,
+
+        /// Whether `SetStoreInfo`s should be sent, regardless of the surrounding context.
+        ///
+        /// Only useful when creating a recording just-in-time directly in the viewer (which is what
+        /// happens when importing things into the welcome screen).
+        #[cfg_attr(feature = "serde", serde(skip))]
+        force_store_info: bool,
     },
 
     FileDialog {
         /// The [`ApplicationId`] that the viewer heuristically recommends should be used when loading
         /// this data source, based on the surrounding context.
+        #[cfg_attr(feature = "serde", serde(skip))]
         recommended_application_id: Option<ApplicationId>,
 
         /// The [`StoreId`] that the viewer heuristically recommends should be used when loading
         /// this data source, based on the surrounding context.
+        #[cfg_attr(feature = "serde", serde(skip))]
         recommended_recording_id: Option<StoreId>,
+
+        /// Whether `SetStoreInfo`s should be sent, regardless of the surrounding context.
+        ///
+        /// Only useful when creating a recording just-in-time directly in the viewer (which is what
+        /// happens when importing things into the welcome screen).
+        #[cfg_attr(feature = "serde", serde(skip))]
+        force_store_info: bool,
     },
 
     Sdk,
@@ -463,6 +484,19 @@ impl FileSource {
             Self::Cli | Self::Sdk => None,
         }
     }
+
+    #[inline]
+    pub fn force_store_info(&self) -> bool {
+        match self {
+            Self::FileDialog {
+                force_store_info, ..
+            }
+            | Self::DragAndDrop {
+                force_store_info, ..
+            } => *force_store_info,
+            Self::Cli | Self::Sdk => false,
+        }
+    }
 }
 
 /// The source of a recording or blueprint.

crates/top/re_sdk/src/recording_stream.rs

@@ -1259,6 +1259,7 @@ impl RecordingStream {
             opened_application_id: None,
             store_id: store_info.store_id.clone(),
             opened_store_id: None,
+            force_store_info: false,
             entity_path_prefix,
             timepoint: (!static_).then(|| {
                 self.with(|inner| {

crates/viewer/re_viewer/Cargo.toml

@@ -120,6 +120,7 @@ serde = { workspace = true, features = ["derive"] }
 serde_json.workspace = true
 serde-wasm-bindgen.workspace = true
 thiserror.workspace = true
+uuid.workspace = true
 web-time.workspace = true
 wgpu.workspace = true