Update Objective-C column limit to 100 (flutter#3585)

The Google style guide specifies a limit of 100 columns.
https://google.github.io/styleguide/objcguide.xml?showone=Line_Length#Line_Length

The Chromium style guide specifies 80.
https://chromium.googlesource.com/chromium/src/+/master/styleguide/objective-c/objective-c.md

.clang-format

@@ -7,3 +7,6 @@ BasedOnStyle: Chromium
 # 'int>>' if the file already contains at least one such instance.)
 Standard: Cpp11
 SortIncludes: true
+---
+Language: ObjC
+ColumnLimit: 100

fml/platform/darwin/message_loop_darwin.mm

@@ -19,12 +19,12 @@
   CFRunLoopTimerContext timer_context = {
       .info = this,
   };
-  delayed_wake_timer_.Reset(CFRunLoopTimerCreate(
-      kCFAllocatorDefault, kDistantFuture /* fire date */,
-      HUGE_VAL /* interval */, 0 /* flags */, 0 /* order */,
-      reinterpret_cast<CFRunLoopTimerCallBack>(&MessageLoopDarwin::OnTimerFire)
-      /* callout */,
-      &timer_context /* context */));
+  delayed_wake_timer_.Reset(
+      CFRunLoopTimerCreate(kCFAllocatorDefault, kDistantFuture /* fire date */,
+                           HUGE_VAL /* interval */, 0 /* flags */, 0 /* order */,
+                           reinterpret_cast<CFRunLoopTimerCallBack>(&MessageLoopDarwin::OnTimerFire)
+                           /* callout */,
+                           &timer_context /* context */));
   FTL_DCHECK(delayed_wake_timer_ != nullptr);
   CFRunLoopAddTimer(loop_, delayed_wake_timer_, kCFRunLoopCommonModes);
 }
@@ -41,8 +41,7 @@
 
   while (running_) {
     @autoreleasepool {
-      int result =
-          CFRunLoopRunInMode(kCFRunLoopDefaultMode, kDistantFuture, YES);
+      int result = CFRunLoopRunInMode(kCFRunLoopDefaultMode, kDistantFuture, YES);
       if (result == kCFRunLoopRunStopped || result == kCFRunLoopRunFinished) {
         // This handles the case where the loop is terminated using
         // CoreFoundation APIs.
@@ -65,12 +64,10 @@
   // different and must be accounted for.
   CFRunLoopTimerSetNextFireDate(
       delayed_wake_timer_,
-      CFAbsoluteTimeGetCurrent() +
-          (time_point - ftl::TimePoint::Now()).ToSecondsF());
+      CFAbsoluteTimeGetCurrent() + (time_point - ftl::TimePoint::Now()).ToSecondsF());
 }
 
-void MessageLoopDarwin::OnTimerFire(CFRunLoopTimerRef timer,
-                                    MessageLoopDarwin* loop) {
+void MessageLoopDarwin::OnTimerFire(CFRunLoopTimerRef timer, MessageLoopDarwin* loop) {
   @autoreleasepool {
     // RunExpiredTasksNow rearms the timer as appropriate via a call to WakeUp.
     loop->RunExpiredTasksNow();

fml/platform/darwin/paths_darwin.mm

@@ -12,8 +12,7 @@
 namespace paths {
 
 std::pair<bool, std::string> GetExecutableDirectoryPath() {
-  return {true, files::GetDirectoryName(
-                    [NSBundle mainBundle].executablePath.UTF8String)};
+  return {true, files::GetDirectoryName([NSBundle mainBundle].executablePath.UTF8String)};
 }
 
 }  // namespace paths

fml/platform/darwin/resource_mapping_darwin.mm

@@ -9,8 +9,8 @@
 namespace fml {
 
 ResourceMappingDarwin::ResourceMappingDarwin(const std::string& resource)
-    : actual_([[[NSBundle mainBundle] pathForResource:@(resource.c_str())
-                                               ofType:nil] UTF8String]) {}
+    : actual_([[[NSBundle mainBundle] pathForResource:@(resource.c_str()) ofType:nil] UTF8String]) {
+}
 
 ResourceMappingDarwin::~ResourceMappingDarwin() = default;
 

shell/platform/darwin/common/platform_mac.mm

@@ -20,17 +20,14 @@
 
 namespace shell {
 
-static void RedirectIOConnectionsToSyslog(
-    const ftl::CommandLine& command_line) {
+static void RedirectIOConnectionsToSyslog(const ftl::CommandLine& command_line) {
 #if TARGET_OS_IPHONE
   if (command_line.HasOption(FlagForSwitch(Switch::NoRedirectToSyslog))) {
     return;
   }
 
-  asl_log_descriptor(NULL, NULL, ASL_LEVEL_NOTICE, STDOUT_FILENO,
-                     ASL_LOG_DESCRIPTOR_WRITE);
-  asl_log_descriptor(NULL, NULL, ASL_LEVEL_WARNING, STDERR_FILENO,
-                     ASL_LOG_DESCRIPTOR_WRITE);
+  asl_log_descriptor(NULL, NULL, ASL_LEVEL_NOTICE, STDOUT_FILENO, ASL_LOG_DESCRIPTOR_WRITE);
+  asl_log_descriptor(NULL, NULL, ASL_LEVEL_WARNING, STDERR_FILENO, ASL_LOG_DESCRIPTOR_WRITE);
 #endif
 }
 
@@ -46,8 +43,7 @@ static void RedirectIOConnectionsToSyslog(
 
 class EmbedderState {
  public:
-  EmbedderState(std::string icu_data_path,
-                std::string application_library_path) {
+  EmbedderState(std::string icu_data_path, std::string application_library_path) {
 #if TARGET_OS_IPHONE
     // This calls crashes on MacOS because we haven't run Dart_Initialize yet.
     // See https://github.com/flutter/flutter/issues/4006
@@ -64,8 +60,7 @@ static void RedirectIOConnectionsToSyslog(
     // marker that can be used as a reference for startup.
     TRACE_EVENT_INSTANT0("flutter", "main");
 
-    shell::Shell::InitStandalone(std::move(command_line), icu_data_path,
-                                 application_library_path);
+    shell::Shell::InitStandalone(std::move(command_line), icu_data_path, application_library_path);
   }
 
   ~EmbedderState() {}
@@ -74,14 +69,12 @@ static void RedirectIOConnectionsToSyslog(
   FTL_DISALLOW_COPY_AND_ASSIGN(EmbedderState);
 };
 
-void PlatformMacMain(std::string icu_data_path,
-                     std::string application_library_path) {
+void PlatformMacMain(std::string icu_data_path, std::string application_library_path) {
   static std::unique_ptr<EmbedderState> g_embedder;
   static std::once_flag once_main;
 
   std::call_once(once_main, [&]() {
-    g_embedder =
-        WTF::MakeUnique<EmbedderState>(icu_data_path, application_library_path);
+    g_embedder = WTF::MakeUnique<EmbedderState>(icu_data_path, application_library_path);
   });
 }
 
@@ -150,12 +143,9 @@ bool AttemptLaunchFromCommandLineSwitches(Engine* engine) {
     [defaults synchronize];
   }
 
-  std::string bundle_path =
-      ResolveCommandLineLaunchFlag(FlagForSwitch(Switch::FLX));
-  std::string main =
-      ResolveCommandLineLaunchFlag(FlagForSwitch(Switch::MainDartFile));
-  std::string packages =
-      ResolveCommandLineLaunchFlag(FlagForSwitch(Switch::Packages));
+  std::string bundle_path = ResolveCommandLineLaunchFlag(FlagForSwitch(Switch::FLX));
+  std::string main = ResolveCommandLineLaunchFlag(FlagForSwitch(Switch::MainDartFile));
+  std::string packages = ResolveCommandLineLaunchFlag(FlagForSwitch(Switch::Packages));
 
   if (!FlagsValidForCommandLineLaunch(bundle_path, main, packages)) {
     return false;
@@ -164,20 +154,16 @@ bool AttemptLaunchFromCommandLineSwitches(Engine* engine) {
   // Save the newly resolved dart main file and the package root to user
   // defaults so that the next time the user launches the application in the
   // simulator without the tooling, the application boots up.
-  [defaults setObject:@(bundle_path.c_str())
-               forKey:@(FlagForSwitch(Switch::FLX))];
-  [defaults setObject:@(main.c_str())
-               forKey:@(FlagForSwitch(Switch::MainDartFile))];
-  [defaults setObject:@(packages.c_str())
-               forKey:@(FlagForSwitch(Switch::Packages))];
+  [defaults setObject:@(bundle_path.c_str()) forKey:@(FlagForSwitch(Switch::FLX))];
+  [defaults setObject:@(main.c_str()) forKey:@(FlagForSwitch(Switch::MainDartFile))];
+  [defaults setObject:@(packages.c_str()) forKey:@(FlagForSwitch(Switch::Packages))];
 
   [defaults synchronize];
 
-  blink::Threads::UI()->PostTask(
-      [ engine = engine->GetWeakPtr(), bundle_path, main, packages ] {
-        if (engine)
-          engine->RunBundleAndSource(bundle_path, main, packages);
-      });
+  blink::Threads::UI()->PostTask([ engine = engine->GetWeakPtr(), bundle_path, main, packages ] {
+    if (engine)
+      engine->RunBundleAndSource(bundle_path, main, packages);
+  });
 
   return true;
 }

shell/platform/darwin/desktop/flutter_window.mm

@@ -15,8 +15,7 @@ @interface FlutterWindow ()<NSWindowDelegate>
 
 @end
 
-static inline blink::PointerData::Change PointerChangeFromNSEventPhase(
-    NSEventPhase phase) {
+static inline blink::PointerData::Change PointerChangeFromNSEventPhase(NSEventPhase phase) {
   switch (phase) {
     case NSEventPhaseNone:
       return blink::PointerData::Change::kCancel;
@@ -54,13 +53,11 @@ - (void)awakeFromNib {
 }
 
 - (void)setupPlatformView {
-  FTL_DCHECK(_platformView == nullptr)
-      << "The platform view must not already be set.";
+  FTL_DCHECK(_platformView == nullptr) << "The platform view must not already be set.";
 
   _platformView.reset(new shell::PlatformViewMac(self.renderSurface));
   _platformView->SetupResourceContextOnIOThread();
-  _platformView->NotifyCreated(
-      std::make_unique<shell::GPUSurfaceGL>(_platformView.get()));
+  _platformView->NotifyCreated(std::make_unique<shell::GPUSurfaceGL>(_platformView.get()));
 }
 
 // TODO(eseidel): This does not belong in flutter_window!
@@ -81,12 +78,11 @@ - (void)updateWindowSize {
   metrics.physical_width = size.width;
   metrics.physical_height = size.height;
 
-  blink::Threads::UI()->PostTask(
-      [ engine = _platformView->engine().GetWeakPtr(), metrics ] {
-        if (engine.get()) {
-          engine->SetViewportMetrics(metrics);
-        }
-      });
+  blink::Threads::UI()->PostTask([ engine = _platformView->engine().GetWeakPtr(), metrics ] {
+    if (engine.get()) {
+      engine->SetViewportMetrics(metrics);
+    }
+  });
 }
 
 - (void)setupSurfaceIfNecessary {
@@ -103,8 +99,7 @@ - (void)setupSurfaceIfNecessary {
 #pragma mark - Responder overrides
 
 - (void)dispatchEvent:(NSEvent*)event phase:(NSEventPhase)phase {
-  NSPoint location =
-      [_renderSurface convertPoint:event.locationInWindow fromView:nil];
+  NSPoint location = [_renderSurface convertPoint:event.locationInWindow fromView:nil];
   location.y = _renderSurface.frame.size.height - location.y;
 
   blink::PointerData pointer_data;
@@ -138,14 +133,13 @@ - (void)dispatchEvent:(NSEvent*)event phase:(NSEventPhase)phase {
       break;
   }
 
-  blink::Threads::UI()->PostTask(
-      [ engine = _platformView->engine().GetWeakPtr(), pointer_data ] {
-        if (engine.get()) {
-          blink::PointerDataPacket packet(1);
-          packet.SetPointerData(0, pointer_data);
-          engine->DispatchPointerDataPacket(packet);
-        }
-      });
+  blink::Threads::UI()->PostTask([ engine = _platformView->engine().GetWeakPtr(), pointer_data ] {
+    if (engine.get()) {
+      blink::PointerDataPacket packet(1);
+      packet.SetPointerData(0, pointer_data);
+      engine->DispatchPointerDataPacket(packet);
+    }
+  });
 }
 
 - (void)mouseDown:(NSEvent*)event {

shell/platform/darwin/desktop/main_mac.mm

@@ -27,8 +27,7 @@ int main(int argc, const char* argv[]) {
   }
 
   // Decide between interactive and non-interactive modes.
-  if (command_line.HasOption(
-          shell::FlagForSwitch(shell::Switch::NonInteractive))) {
+  if (command_line.HasOption(shell::FlagForSwitch(shell::Switch::NonInteractive))) {
     if (!shell::InitForTesting(std::move(command_line)))
       return 1;
     fml::MessageLoop::GetCurrent().Run();

shell/platform/darwin/desktop/platform_view_mac.mm

@@ -20,12 +20,10 @@
 namespace shell {
 
 PlatformViewMac::PlatformViewMac(NSOpenGLView* gl_view)
-    : PlatformView(
-          std::make_unique<GPURasterizer>(std::make_unique<ProcessInfoMac>())),
+    : PlatformView(std::make_unique<GPURasterizer>(std::make_unique<ProcessInfoMac>())),
       opengl_view_([gl_view retain]),
-      resource_loading_context_([[NSOpenGLContext alloc]
-          initWithFormat:gl_view.pixelFormat
-            shareContext:gl_view.openGLContext]) {
+      resource_loading_context_([[NSOpenGLContext alloc] initWithFormat:gl_view.pixelFormat
+                                                           shareContext:gl_view.openGLContext]) {
   CreateEngine();
   PostAddToShellTask();
 }
@@ -41,35 +39,31 @@
 
   const auto& command_line = shell::Shell::Shared().GetCommandLine();
 
-  std::string bundle_path =
-      command_line.GetOptionValueWithDefault(FlagForSwitch(Switch::FLX), "");
+  std::string bundle_path = command_line.GetOptionValueWithDefault(FlagForSwitch(Switch::FLX), "");
   if (!bundle_path.empty()) {
-    blink::Threads::UI()->PostTask(
-        [ engine = engine().GetWeakPtr(), bundle_path ] {
-          if (engine)
-            engine->RunBundle(bundle_path);
-        });
+    blink::Threads::UI()->PostTask([ engine = engine().GetWeakPtr(), bundle_path ] {
+      if (engine)
+        engine->RunBundle(bundle_path);
+    });
     return;
   }
 
   auto args = command_line.positional_args();
   if (args.size() > 0) {
     std::string main = args[0];
-    std::string packages = command_line.GetOptionValueWithDefault(
-        FlagForSwitch(Switch::Packages), "");
-    blink::Threads::UI()->PostTask(
-        [ engine = engine().GetWeakPtr(), main, packages ] {
-          if (engine)
-            engine->RunBundleAndSource(std::string(), main, packages);
-        });
+    std::string packages =
+        command_line.GetOptionValueWithDefault(FlagForSwitch(Switch::Packages), "");
+    blink::Threads::UI()->PostTask([ engine = engine().GetWeakPtr(), main, packages ] {
+      if (engine)
+        engine->RunBundleAndSource(std::string(), main, packages);
+    });
     return;
   }
 }
 
-void PlatformViewMac::SetupAndLoadFromSource(
-    const std::string& assets_directory,
-    const std::string& main,
-    const std::string& packages) {
+void PlatformViewMac::SetupAndLoadFromSource(const std::string& assets_directory,
+                                             const std::string& main,
+                                             const std::string& packages) {
   blink::Threads::UI()->PostTask(
       [ engine = engine().GetWeakPtr(), assets_directory, main, packages ] {
         if (engine)

shell/platform/darwin/ios/framework/Source/FlutterAppDelegate.mm

@@ -10,15 +10,14 @@ @implementation FlutterAppDelegate
 // Returns the key window's rootViewController, if it's a FlutterViewController.
 // Otherwise, returns nil.
 - (FlutterViewController*)rootFlutterViewController {
-  UIViewController *viewController =
-      [UIApplication sharedApplication].keyWindow.rootViewController;
+  UIViewController* viewController = [UIApplication sharedApplication].keyWindow.rootViewController;
   if ([viewController isKindOfClass:[FlutterViewController class]]) {
     return (FlutterViewController*)viewController;
   }
   return nil;
 }
 
-- (void) touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
+- (void)touchesBegan:(NSSet*)touches withEvent:(UIEvent*)event {
   [super touchesBegan:touches withEvent:event];
 
   // Pass status bar taps to key window Flutter rootViewController.