From a280ee90af0749ce18d6d0b00939b06473717bc9 Mon Sep 17 00:00:00 2001
From: "Ngo Iok Ui (Wu Yu Wei)" <wusyong9104@gmail.com>
Date: Wed, 30 Jun 2021 21:38:22 +0800
Subject: [PATCH] Fix high cpu usage on mac, fix #2074 (#2125)

Co-authored-by: Lucas Nogueira <lucas@tauri.studio>
---
 .changes/mac-cpu.md               |  6 ++++++
 core/tauri-runtime-wry/src/lib.rs | 36 +++++++++++++++++--------------
 2 files changed, 26 insertions(+), 16 deletions(-)
 create mode 100644 .changes/mac-cpu.md

diff --git a/.changes/mac-cpu.md b/.changes/mac-cpu.md
new file mode 100644
index 00000000000..bf1935d75a2
--- /dev/null
+++ b/.changes/mac-cpu.md
@@ -0,0 +1,6 @@
+---
+"tauri-runtime-wry": patch
+"tauri": patch
+---
+
+ Fix macOS high CPU usage.
diff --git a/core/tauri-runtime-wry/src/lib.rs b/core/tauri-runtime-wry/src/lib.rs
index 66843ea6ac1..a09d88c4888 100644
--- a/core/tauri-runtime-wry/src/lib.rs
+++ b/core/tauri-runtime-wry/src/lib.rs
@@ -131,7 +131,7 @@ unsafe impl Send for GlobalShortcutWrapper {}
 #[derive(Clone)]
 pub struct GlobalShortcutManagerHandle {
   context: EventLoopContext,
-  shortcuts: HashMap<String, (AcceleratorId, GlobalShortcutWrapper)>,
+  shortcuts: Arc<Mutex<HashMap<String, (AcceleratorId, GlobalShortcutWrapper)>>>,
   listeners: GlobalShortcutListeners,
 }
 
@@ -159,7 +159,11 @@ impl GlobalShortcutManager for GlobalShortcutManagerHandle {
     )?;
 
     self.listeners.lock().unwrap().insert(id, Box::new(handler));
-    self.shortcuts.insert(accelerator.into(), (id, shortcut));
+    self
+      .shortcuts
+      .lock()
+      .unwrap()
+      .insert(accelerator.into(), (id, shortcut));
 
     Ok(())
   }
@@ -172,12 +176,12 @@ impl GlobalShortcutManager for GlobalShortcutManagerHandle {
       Message::GlobalShortcut(GlobalShortcutMessage::UnregisterAll(tx))
     )?;
     self.listeners.lock().unwrap().clear();
-    self.shortcuts.clear();
+    self.shortcuts.lock().unwrap().clear();
     Ok(())
   }
 
   fn unregister(&mut self, accelerator: &str) -> Result<()> {
-    if let Some((accelerator_id, shortcut)) = self.shortcuts.remove(accelerator) {
+    if let Some((accelerator_id, shortcut)) = self.shortcuts.lock().unwrap().remove(accelerator) {
       let (tx, rx) = channel();
       getter!(
         self,
@@ -1373,14 +1377,14 @@ impl Runtime for Wry {
           EventLoopIterationContext {
             callback: &callback,
             webviews: webviews.lock().expect("poisoned webview collection"),
-            window_event_listeners: window_event_listeners.clone(),
+            window_event_listeners: &window_event_listeners,
             global_shortcut_manager: global_shortcut_manager.clone(),
-            global_shortcut_manager_handle: global_shortcut_manager_handle.clone(),
+            global_shortcut_manager_handle: &global_shortcut_manager_handle,
             clipboard_manager: clipboard_manager.clone(),
             #[cfg(feature = "menu")]
-            menu_event_listeners: menu_event_listeners.clone(),
+            menu_event_listeners: &menu_event_listeners,
             #[cfg(feature = "system-tray")]
-            tray_context: tray_context.clone(),
+            tray_context: &tray_context,
           },
         );
       });
@@ -1409,14 +1413,14 @@ impl Runtime for Wry {
         EventLoopIterationContext {
           callback: &callback,
           webviews: webviews.lock().expect("poisoned webview collection"),
-          window_event_listeners: window_event_listeners.clone(),
+          window_event_listeners: &window_event_listeners,
           global_shortcut_manager: global_shortcut_manager.clone(),
-          global_shortcut_manager_handle: global_shortcut_manager_handle.clone(),
+          global_shortcut_manager_handle: &global_shortcut_manager_handle,
           clipboard_manager: clipboard_manager.clone(),
           #[cfg(feature = "menu")]
-          menu_event_listeners: menu_event_listeners.clone(),
+          menu_event_listeners: &menu_event_listeners,
           #[cfg(feature = "system-tray")]
-          tray_context: tray_context.clone(),
+          tray_context: &tray_context,
         },
       );
     })
@@ -1426,14 +1430,14 @@ impl Runtime for Wry {
 struct EventLoopIterationContext<'a> {
   callback: &'a (dyn Fn(RunEvent) + 'static),
   webviews: MutexGuard<'a, HashMap<WindowId, WebviewWrapper>>,
-  window_event_listeners: WindowEventListeners,
+  window_event_listeners: &'a WindowEventListeners,
   global_shortcut_manager: Arc<Mutex<WryShortcutManager>>,
-  global_shortcut_manager_handle: GlobalShortcutManagerHandle,
+  global_shortcut_manager_handle: &'a GlobalShortcutManagerHandle,
   clipboard_manager: Arc<Mutex<Clipboard>>,
   #[cfg(feature = "menu")]
-  menu_event_listeners: MenuEventListeners,
+  menu_event_listeners: &'a MenuEventListeners,
   #[cfg(feature = "system-tray")]
-  tray_context: TrayContext,
+  tray_context: &'a TrayContext,
 }
 
 fn handle_event_loop(