Merging upstream version 127.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 56 insertions, 0 deletions

diff --git a/toolkit/components/uniffi-fixtures/callbacks/Cargo.toml b/toolkit/components/uniffi-fixtures/callbacks/Cargo.toml
new file mode 100644
index 0000000000..19a8d61070
--- /dev/null
+++ b/toolkit/components/uniffi-fixtures/callbacks/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "uniffi-fixture-callbacks"
+edition = "2021"
+version = "0.21.0"
+authors = ["Firefox Sync Team <sync-team@mozilla.com>"]
+license = "MPL-2.0"
+publish = false
+
+[dependencies]
+uniffi = { workspace = true }
+thiserror = "1.0"
+
+[build-dependencies]
+uniffi = { workspace = true, features = ["build"] }
diff --git a/toolkit/components/uniffi-fixtures/callbacks/build.rs b/toolkit/components/uniffi-fixtures/callbacks/build.rs
new file mode 100644
index 0000000000..e7152d922a
--- /dev/null
+++ b/toolkit/components/uniffi-fixtures/callbacks/build.rs
@@ -0,0 +1,7 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+fn main() {
+    uniffi::generate_scaffolding("./src/callbacks.udl").unwrap();
+}
diff --git a/toolkit/components/uniffi-fixtures/callbacks/src/callbacks.udl b/toolkit/components/uniffi-fixtures/callbacks/src/callbacks.udl
new file mode 100644
index 0000000000..a6d44ef598
--- /dev/null
+++ b/toolkit/components/uniffi-fixtures/callbacks/src/callbacks.udl
@@ -0,0 +1,12 @@
+callback interface Logger {
+   void log(string message);
+   void finished();
+ };
+
+namespace fixture_callbacks {
+    // Log all even numbers in a vec, then call the finished() method
+    void log_even_numbers(Logger logger, sequence<i32> items);
+    // Works exactly the same as `log_even_numbers()`, except we configure this
+    // to run on the main thread in `uniffi-bindgen-gecko-js/config.toml`
+    void log_even_numbers_main_thread(Logger logger, sequence<i32> items);
+};
diff --git a/toolkit/components/uniffi-fixtures/callbacks/src/lib.rs b/toolkit/components/uniffi-fixtures/callbacks/src/lib.rs
new file mode 100644
index 0000000000..9ada66bca5
--- /dev/null
+++ b/toolkit/components/uniffi-fixtures/callbacks/src/lib.rs
@@ -0,0 +1,23 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+trait Logger {
+    fn log(&self, message: String);
+    fn finished(&self);
+}
+
+fn log_even_numbers(logger: Box<dyn Logger>, items: Vec<i32>) {
+    for i in items {
+        if i % 2 == 0 {
+            logger.log(format!("Saw even number: {i}"))
+        }
+    }
+    logger.finished();
+}
+
+fn log_even_numbers_main_thread(logger: Box<dyn Logger>, items: Vec<i32>) {
+    log_even_numbers(logger, items)
+}
+
+include!(concat!(env!("OUT_DIR"), "/callbacks.uniffi.rs"));