From 88114ac6eb50e7dabad2a0f42f8d128774bb7457 Mon Sep 17 00:00:00 2001
From: Dan Ballard <dan@mindstab.net>
Date: Wed, 30 Jun 2021 16:27:14 -0700
Subject: [PATCH] apply newer fluter runloop in run_loop.cpp for windows
 performance fix

---
 pubspec.lock                | 40 ++++++++++++-------------------------
 windows/runner/run_loop.cpp | 11 ++++++++--
 2 files changed, 22 insertions(+), 29 deletions(-)

diff --git a/pubspec.lock b/pubspec.lock
index ec4202b9..58f991e0 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -42,7 +42,7 @@ packages:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.1"
+    version: "1.2.0"
   clock:
     dependency: transitive
     description:
@@ -70,7 +70,7 @@ packages:
       name: dbus
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.1"
+    version: "0.5.2"
   desktop_notifications:
     dependency: "direct main"
     description:
@@ -91,14 +91,14 @@ packages:
       name: ffi
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.1.2"
   file:
     dependency: transitive
     description:
       name: file
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.1.1"
+    version: "6.1.2"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -125,7 +125,7 @@ packages:
       name: glob
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "2.0.1"
   http:
     dependency: transitive
     description:
@@ -189,20 +189,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.0"
-  node_interop:
-    dependency: transitive
-    description:
-      name: node_interop
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.1"
-  node_io:
-    dependency: transitive
-    description:
-      name: node_io
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.1"
   package_config:
     dependency: transitive
     description:
@@ -216,7 +202,7 @@ packages:
       name: package_info_plus
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.0.3"
   package_info_plus_linux:
     dependency: transitive
     description:
@@ -244,14 +230,14 @@ packages:
       name: package_info_plus_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.0.2"
   package_info_plus_windows:
     dependency: transitive
     description:
       name: package_info_plus_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.0.2"
   path:
     dependency: transitive
     description:
@@ -265,7 +251,7 @@ packages:
       name: path_provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.2"
   path_provider_linux:
     dependency: transitive
     description:
@@ -300,14 +286,14 @@ packages:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.11.0"
+    version: "1.11.1"
   petitparser:
     dependency: transitive
     description:
       name: petitparser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.1.0"
+    version: "4.2.0"
   platform:
     dependency: transitive
     description:
@@ -382,7 +368,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.1"
+    version: "0.4.0"
   typed_data:
     dependency: transitive
     description:
@@ -403,7 +389,7 @@ packages:
       name: win32
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.2.4"
   xdg_directories:
     dependency: transitive
     description:
diff --git a/windows/runner/run_loop.cpp b/windows/runner/run_loop.cpp
index 2d6636ab..818b6ae2 100644
--- a/windows/runner/run_loop.cpp
+++ b/windows/runner/run_loop.cpp
@@ -9,7 +9,14 @@ RunLoop::RunLoop() {}
 RunLoop::~RunLoop() {}
 
 void RunLoop::Run() {
-  bool keep_running = true;
+  // Fix/workaround for Windows high CPU usage
+  // https://github.com/flutter/flutter/issues/78517#issuecomment-814843107
+  MSG msg;
+  while (GetMessage(&msg, nullptr, 0, 0)) {
+    TranslateMessage(&msg);
+    DispatchMessage(&msg);
+  }
+  /*bool keep_running = true;
   TimePoint next_flutter_event_time = TimePoint::clock::now();
   while (keep_running) {
     std::chrono::nanoseconds wait_duration =
@@ -40,7 +47,7 @@ void RunLoop::Run() {
       next_flutter_event_time =
           std::min(next_flutter_event_time, ProcessFlutterMessages());
     }
-  }
+  }*/
 }
 
 void RunLoop::RegisterFlutterInstance(