From 848c56099ece77ff5fe1e9d64fff1d519848e099 Mon Sep 17 00:00:00 2001
From: Jordan Orelli <jordanorelli@gmail.com>
Date: Sat, 17 Jun 2017 21:17:59 -0500
Subject: [PATCH] request start/end events to ui

---
 bg/background.go           |  9 ++++++---
 bg/server.go               |  9 +++++----
 events/background_event.go |  8 ++++++++
 ui/EventListener.h         |  2 ++
 ui/MainViewController.m    | 34 ++++++----------------------------
 ui/ui_darwin.go            |  4 ++++
 ui/ui_darwin.h             |  2 ++
 ui/ui_darwin.m             | 10 ++++++++++
 8 files changed, 43 insertions(+), 35 deletions(-)

diff --git a/bg/background.go b/bg/background.go
index 76c6edc..9bad4ca 100644
--- a/bg/background.go
+++ b/bg/background.go
@@ -9,9 +9,12 @@ import (
 
 func Run(out chan events.BackgroundEvent, in chan events.UserEvent) {
 	bg := &background{
-		in:     in,
-		out:    out,
-		server: newServer(),
+		in:  in,
+		out: out,
+		server: &server{
+			port: 8000,
+			out:  out,
+		},
 	}
 	go bg.handleSignals()
 	go bg.listen()
diff --git a/bg/server.go b/bg/server.go
index cc746fb..a714f09 100644
--- a/bg/server.go
+++ b/bg/server.go
@@ -4,15 +4,14 @@ import (
 	"fmt"
 	"log"
 	"net/http"
+
+	"github.com/jordanorelli/dws/events"
 )
 
 type server struct {
 	port int
 	root string
-}
-
-func newServer() *server {
-	return &server{port: 8000}
+	out  chan events.BackgroundEvent
 }
 
 func (s *server) listen() {
@@ -29,11 +28,13 @@ func (s *server) setRoot(path string) {
 }
 
 func (s *server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	s.out <- events.BeginRequestEvent{}
 	if s.root == "" {
 		writeNotInitializedResponse(w)
 		return
 	}
 	fmt.Fprintf(w, "root: %s", s.root)
+	s.out <- events.EndRequestEvent{}
 }
 
 func writeNotInitializedResponse(w http.ResponseWriter) {
diff --git a/events/background_event.go b/events/background_event.go
index 268a13b..af109b3 100644
--- a/events/background_event.go
+++ b/events/background_event.go
@@ -15,3 +15,11 @@ type SetRootEvent struct {
 	Path string
 	backgroundEvent
 }
+
+type BeginRequestEvent struct {
+	backgroundEvent
+}
+
+type EndRequestEvent struct {
+	backgroundEvent
+}
diff --git a/ui/EventListener.h b/ui/EventListener.h
index 7bf9e12..6b38860 100644
--- a/ui/EventListener.h
+++ b/ui/EventListener.h
@@ -2,5 +2,7 @@
 
 @protocol EventListener
 - (void) serverDidSetRoot:(NSString *)path;
+- (void) serverDidBeginHandlingRequest;
+- (void) serverDidFinishHandlingRequest;
 @end
 
diff --git a/ui/MainViewController.m b/ui/MainViewController.m
index ac7f12f..3f69eca 100644
--- a/ui/MainViewController.m
+++ b/ui/MainViewController.m
@@ -75,38 +75,16 @@
     }];
 }
 
-- (void) viewWillAppear {
-    NSLog(@"[MainViewController] viewWillAppear");
-    return [super viewWillAppear];
-}
-
-- (void) viewDidAppear {
-    NSLog(@"[MainViewController] viewDidAppear");
-    return [super viewDidAppear];
-}
-
-- (void) viewWillDisappear {
-    NSLog(@"[MainViewController] viewWillDisappear");
-    return [super viewWillDisappear];
-}
-
-- (void) viewDidDisappear {
-    NSLog(@"[MainViewController] viewDidDisappear");
-    return [super viewDidDisappear];
-}
-
-- (void) viewWillLayout {
-    NSLog(@"[MainViewController] viewWillLayout");
-    return [super viewWillLayout];
+- (void) serverDidSetRoot:(NSString *)path {
+	[self.selectedDirectoryText setStringValue:path];
 }
 
-- (void) viewDidLayout {
-    NSLog(@"[MainViewController] viewDidLayout");
-    return [super viewDidLayout];
+- (void) serverDidBeginHandlingRequest {
+	NSLog(@"[MainViewController] request start");
 }
 
-- (void) serverDidSetRoot:(NSString *)path {
-	[self.selectedDirectoryText setStringValue:path];
+- (void) serverDidFinishHandlingRequest {
+	NSLog(@"[MainViewController] request finish");
 }
 
 @end
diff --git a/ui/ui_darwin.go b/ui/ui_darwin.go
index 566a2c3..a3e9d98 100644
--- a/ui/ui_darwin.go
+++ b/ui/ui_darwin.go
@@ -52,6 +52,10 @@ func (ui *cocoaUI) forwardEvents() {
 			cs := C.CString(v.Path)
 			C.set_root(cs)
 			C.free(unsafe.Pointer(cs))
+		case events.BeginRequestEvent:
+			C.begin_request()
+		case events.EndRequestEvent:
+			C.end_request()
 		}
 	}
 }
diff --git a/ui/ui_darwin.h b/ui/ui_darwin.h
index 8ed096a..9d82cae 100644
--- a/ui/ui_darwin.h
+++ b/ui/ui_darwin.h
@@ -2,3 +2,5 @@ void initialize();
 int run();
 void shutdown();
 void set_root(char *);
+void begin_request();
+void end_request();
diff --git a/ui/ui_darwin.m b/ui/ui_darwin.m
index 941fc6d..5407675 100644
--- a/ui/ui_darwin.m
+++ b/ui/ui_darwin.m
@@ -26,3 +26,13 @@ void set_root(char *path) {
 	id listener = [[EventBridge shared] listener];
 	[listener serverDidSetRoot:[NSString stringWithUTF8String:path]];
 }
+
+void begin_request() {
+	id listener = [[EventBridge shared] listener];
+	[listener serverDidBeginHandlingRequest];
+}
+
+void end_request() {
+	id listener = [[EventBridge shared] listener];
+	[listener serverDidFinishHandlingRequest];
+}