Moved project (#76)

Rename a bunch of things:
- import path github.com/Drakirus/go-flutter-desktop-embedder > github.com/go-flutter-desktop/go-flutter
- package path go-flutter/flutter > go-flutter/embedder
- package name flutter > embedder
- package name gutter > flutter
- embedder.EngineOpenGL > embedder.FlutterEngine
- identifier flutterOGL > flutterEngine
- formatted embedder.embedder_helper.c

Author: GeertJohan

.github/ISSUE_TEMPLATE/BUG.md

@@ -31,7 +31,7 @@ Golang's compiling errors
 
 ## Does the prebuilt and portable version works ?
 
-###### Download [Link](https://github.com/Drakirus/go-flutter-desktop-embedder/releases)
+###### Download [Link](https://github.com/go-flutter-desktop/go-flutter/releases)
  <!-- Please answer either yes or no -->
  - Yes / No
 

README.md

@@ -25,7 +25,7 @@ The choice of [Golang](https://github.com/golang/go) comes from the fact that it
 <details>
 <summary> :package: :penguin: Linux</summary>
 <h4>From binaries</h4>
-Check out the <a href="https://github.com/Drakirus/go-flutter-desktop-embedder/releases">Release</a> page for prebuilt versions.
+Check out the <a href="https://github.com/go-flutter-desktop/go-flutter/releases">Release</a> page for prebuilt versions.
 
 <h4>From source</h4>
 
@@ -34,7 +34,7 @@ Go read first: [go-gl/glfw](https://github.com/go-gl/glfw/)
 
 ```bash
 # Clone
-git clone https://github.com/Drakirus/go-flutter-desktop-embedder.git
+git clone https://github.com/go-flutter-desktop/go-flutter.git
 cd go-flutter-desktop-embedder
 
 # Build the flutter simpleDemo project
@@ -51,7 +51,7 @@ export CGO_LDFLAGS="-L${PWD}"
 # The share library must stay next to the generated binary.
 
 # Get the libraries
-go get -u -v github.com/Drakirus/go-flutter-desktop-embedder
+go get -u -v github.com/go-flutter-desktop/go-flutter
 
 # Build the example project
 go build main.go
@@ -64,7 +64,7 @@ go build main.go
 <details>
 <summary> :package: :checkered_flag: Windows</summary>
 <h4>From binaries</h4>
-Check out the <a href="https://github.com/Drakirus/go-flutter-desktop-embedder/releases">Release</a> page for prebuilt versions.
+Check out the <a href="https://github.com/go-flutter-desktop/go-flutter/releases">Release</a> page for prebuilt versions.
 
 <h4>From source</h4>
 
@@ -73,7 +73,7 @@ Go read first: [go-gl/glfw](https://github.com/go-gl/glfw/)
 
 ```bash
 # Clone
-git clone https://github.com/Drakirus/go-flutter-desktop-embedder.git
+git clone https://github.com/go-flutter-desktop/go-flutter.git
 cd go-flutter-desktop-embedder
 
 # Build the flutter simpleDemo project
@@ -88,10 +88,10 @@ go run engineDownloader.go
 # REQUIRED before every `go build`. The CGO compiler need to know where to look for the share library
 set CGO_LDFLAGS=-L%cd%
 # The share library must stay next to the generated binary.
-# If you ran into a MinGW ld error, checkout: https://github.com/Drakirus/go-flutter-desktop-embedder/issues/34
+# If you ran into a MinGW ld error, checkout: https://github.com/go-flutter-desktop/go-flutter/issues/34
 
 # Get the libraries
-go get -u -v github.com/Drakirus/go-flutter-desktop-embedder
+go get -u -v github.com/go-flutter-desktop/go-flutter
 
 # Build the example project
 go build main.go
@@ -104,7 +104,7 @@ go build main.go
 <details>
 <summary> :package: :apple: MacOS</summary>
 <h4>From binaries</h4>
-Check out the <a href="https://github.com/Drakirus/go-flutter-desktop-embedder/releases">Release</a> page for prebuilt versions.
+Check out the <a href="https://github.com/go-flutter-desktop/go-flutter/releases">Release</a> page for prebuilt versions.
 
 <h4>From source</h4>
 
@@ -113,7 +113,7 @@ Go read first: [go-gl/glfw](https://github.com/go-gl/glfw/)
 
 ```bash
 # Clone
-git clone https://github.com/Drakirus/go-flutter-desktop-embedder.git
+git clone https://github.com/go-flutter-desktop/go-flutter.git
 cd go-flutter-desktop-embedder
 
 # Build the flutter simpleDemo project
@@ -130,7 +130,7 @@ export CGO_LDFLAGS="-F${PWD} -Wl,-rpath,@executable_path"
 # The share library must stay next to the generated binary.
 
 # Get the libraries
-go get -u -v github.com/Drakirus/go-flutter-desktop-embedder
+go get -u -v github.com/go-flutter-desktop/go-flutter
 
 # Build the example project
 go build main.go

flutter/build.go renamed to embedder/build.go

@@ -1,4 +1,4 @@
-package flutter
+package embedder
 
 /*
 // Linux Build Tags
@@ -21,5 +21,5 @@ import "C"
 
 import (
 	// prevents dep from stripping out the c source files in flutter library.
-	_ "github.com/Drakirus/go-flutter-desktop-embedder/flutter/library"
+	_ "github.com/go-flutter-desktop/go-flutter/embedder/library"
 )

flutter/flutter.go renamed to embedder/embedder.go

@@ -1,4 +1,4 @@
-package flutter
+package embedder
 
 // #include "flutter_embedder.h"
 // FlutterResult runFlutter(uintptr_t window, FlutterEngine *engine, FlutterProjectArgs * Args,
@@ -12,21 +12,21 @@ import (
 	"unsafe"
 )
 
-// the current FlutterEngine running (associated with his callback)
-var flutterEngines []*EngineOpenGL
+// A list of flutter engines that are managed by this embedder.
+var flutterEngines []*FlutterEngine
 var flutterEnginesLock sync.RWMutex
 
-// SelectEngine return a EngineOpenGL from an index
-func SelectEngine(index int) *EngineOpenGL {
+// FlutterEngineByIndex returns an existing FlutterEngine by its index in this embedder.
+func FlutterEngineByIndex(index int) *FlutterEngine {
 	flutterEnginesLock.RLock()
 	engine := flutterEngines[index]
 	flutterEnginesLock.RUnlock()
 	return engine
 }
 
-// NumberOfEngines return the number of engine registered into this embedder
-func NumberOfEngines() C.int {
-	return C.int(len(flutterEngines))
+// CountFlutterEngines return the number of engines registered in this embedder.
+func CountFlutterEngines() int {
+	return len(flutterEngines)
 }
 
 // Result corresponds to the C.enum retuned by the shared flutter library
@@ -40,8 +40,8 @@ const (
 	KInvalidArguments      Result = C.kInvalidArguments
 )
 
-// EngineOpenGL corresponds to the C.FlutterEngine with his associated callback's method.
-type EngineOpenGL struct {
+// FlutterEngine corresponds to the C.FlutterEngine with his associated callback's method.
+type FlutterEngine struct {
 	// Flutter Engine.
 	Engine C.FlutterEngine
 
@@ -63,28 +63,28 @@ type EngineOpenGL struct {
 	IcuDataPath string
 }
 
-// NewEngineOpenGL creates an empty EngineOpenGL
+// NewFlutterEngine creates an empty FlutterEngine
 // and assigns it an index for global lookup.
-func NewEngineOpenGL() *EngineOpenGL {
-	flu := &EngineOpenGL{}
+func NewFlutterEngine() *FlutterEngine {
+	fe := &FlutterEngine{}
 	flutterEnginesLock.Lock()
-	flutterEngines = append(flutterEngines, flu)
-	flu.index = len(flutterEngines) - 1
+	flutterEngines = append(flutterEngines, fe)
+	fe.index = len(flutterEngines) - 1
 	flutterEnginesLock.Unlock()
-	return flu
+	return fe
 }
 
 // Index returns the index of the engine in the global flutterEngines slice
-func (flu *EngineOpenGL) Index() int {
+func (flu *FlutterEngine) Index() int {
 	return flu.index
 }
 
 // Run launches the Flutter Engine in a background thread.
-func (flu *EngineOpenGL) Run(window uintptr, vmArgs []string) Result {
-	// validate this EngineOpenGL was created correctly
+func (flu *FlutterEngine) Run(window uintptr, vmArgs []string) Result {
+	// validate this FlutterEngine was created correctly
 	flutterEnginesLock.RLock()
 	if len(flutterEngines) <= flu.index || flutterEngines[flu.index] != flu {
-		panic("EngineOpenGL was wrongly created. Use embedder.NewEngineOpenGL().")
+		panic("FlutterEngine was wrongly created. Use embedder.NewFlutterEngine().")
 	}
 	flutterEnginesLock.RUnlock()
 
@@ -109,7 +109,7 @@ func (flu *EngineOpenGL) Run(window uintptr, vmArgs []string) Result {
 }
 
 // Shutdown stops the Flutter engine.
-func (flu *EngineOpenGL) Shutdown() Result {
+func (flu *FlutterEngine) Shutdown() Result {
 	res := C.FlutterEngineShutdown(flu.Engine)
 	return (Result)(res)
 }
@@ -133,8 +133,8 @@ type PointerEvent struct {
 	Y         float64
 }
 
-// EngineSendPointerEvent is used to send an PointerEvent to the Flutter engine.
-func (flu *EngineOpenGL) EngineSendPointerEvent(Event PointerEvent) Result {
+// SendPointerEvent is used to send an PointerEvent to the Flutter engine.
+func (flu *FlutterEngine) SendPointerEvent(Event PointerEvent) Result {
 
 	cEvents := C.FlutterPointerEvent{
 		phase:     (_Ctype_FlutterPointerPhase)(Event.Phase),
@@ -156,8 +156,8 @@ type WindowMetricsEvent struct {
 	PixelRatio float64
 }
 
-// EngineSendWindowMetricsEvent is used to send a WindowMetricsEvent to the Flutter Engine.
-func (flu *EngineOpenGL) EngineSendWindowMetricsEvent(Metric WindowMetricsEvent) Result {
+// SendWindowMetricsEvent is used to send a WindowMetricsEvent to the Flutter Engine.
+func (flu *FlutterEngine) SendWindowMetricsEvent(Metric WindowMetricsEvent) Result {
 
 	cMetric := C.FlutterWindowMetricsEvent{
 		width:       C.size_t(Metric.Width),
@@ -188,7 +188,7 @@ type Message struct {
 }
 
 // SendPlatformMessage is used to send a PlatformMessage to the Flutter engine.
-func (flu *EngineOpenGL) SendPlatformMessage(Message *PlatformMessage) Result {
+func (flu *FlutterEngine) SendPlatformMessage(Message *PlatformMessage) Result {
 
 	marshalled, err := json.Marshal(&Message.Message)
 	if err != nil {
@@ -213,7 +213,7 @@ func (flu *EngineOpenGL) SendPlatformMessage(Message *PlatformMessage) Result {
 }
 
 // SendPlatformMessageResponse is used to send a message to the Flutter side using the correct ResponseHandle!
-func (flu *EngineOpenGL) SendPlatformMessageResponse(
+func (flu *FlutterEngine) SendPlatformMessageResponse(
 	responseTo *PlatformMessage,
 	data []byte,
 ) Result {
@@ -228,8 +228,8 @@ func (flu *EngineOpenGL) SendPlatformMessageResponse(
 
 }
 
-// EngineFlushPendingTasksNow flush tasks on a  message loop not controlled by the Flutter engine.
+// FlutterEngineFlushPendingTasksNow flush tasks on a  message loop not controlled by the Flutter engine.
 // deprecated soon.
-func EngineFlushPendingTasksNow() {
+func FlutterEngineFlushPendingTasksNow() {
 	C.__FlutterEngineFlushPendingTasksNow()
 }

embedder/embedder_helper.c

@@ -0,0 +1,45 @@
+
+#include "library/flutter_embedder.h"
+#include <stdlib.h>
+
+// C proxies def
+bool proxy_make_current(void *v);
+bool proxy_clear_current(void *v);
+bool proxy_present(void *v);
+uint32_t proxy_fbo_callback(void *v);
+bool proxy_make_resource_current(void *v);
+void *proxy_gl_proc_resolver(void *v, const char *procname);
+bool proxy_on_platform_message(FlutterPlatformMessage *message, void *window);
+
+// C helper
+FlutterResult runFlutter(uintptr_t window, FlutterEngine *engine, FlutterProjectArgs *Args,
+                         const char *const *vmArgs, int nVmAgrs)
+{
+
+        FlutterRendererConfig config = {};
+        config.type = kOpenGL;
+
+        config.open_gl.struct_size = sizeof(FlutterOpenGLRendererConfig);
+        config.open_gl.make_current = proxy_make_current;
+        config.open_gl.clear_current = proxy_clear_current;
+        config.open_gl.present = proxy_present;
+        config.open_gl.fbo_callback = proxy_fbo_callback;
+        config.open_gl.make_resource_current = proxy_make_resource_current;
+        config.open_gl.gl_proc_resolver = proxy_gl_proc_resolver;
+
+        Args->command_line_argc = nVmAgrs;
+        Args->command_line_argv = vmArgs;
+        Args->platform_message_callback = (FlutterPlatformMessageCallback)proxy_on_platform_message;
+
+        return FlutterEngineRun(FLUTTER_ENGINE_VERSION, &config, Args, (void *)window, engine);
+}
+
+char **makeCharArray(int size)
+{
+        return calloc(sizeof(char *), size);
+}
+
+void setArrayString(char **a, char *s, int n)
+{
+        a[n] = s;
+}

flutter/flutter_proxy_glfw.go renamed to embedder/embedder_proxy_glfw.go

@@ -1,4 +1,4 @@
-package flutter
+package embedder
 
 /*
 #include "flutter_embedder.h"
@@ -31,8 +31,8 @@ func proxy_on_platform_message(message *C.FlutterPlatformMessage, window unsafe.
 			ResponseHandle: message.response_handle,
 		}
 		index := *(*int)(glfw.GoWindow(window).GetUserPointer())
-		engine := SelectEngine(index)
-		return C.bool(engine.FPlatfromMessage(FlutterPlatformMessage, window))
+		flutterEngine := FlutterEngineByIndex(index)
+		return C.bool(flutterEngine.FPlatfromMessage(FlutterPlatformMessage, window))
 	}
 	return C.bool(false)
 }
@@ -41,40 +41,40 @@ func proxy_on_platform_message(message *C.FlutterPlatformMessage, window unsafe.
 func proxy_make_current(v unsafe.Pointer) C.bool {
 	w := glfw.GoWindow(v)
 	index := *(*int)(w.GetUserPointer())
-	engine := SelectEngine(index)
-	return C.bool(engine.FMakeCurrent(v))
+	flutterEngine := FlutterEngineByIndex(index)
+	return C.bool(flutterEngine.FMakeCurrent(v))
 }
 
 //export proxy_clear_current
 func proxy_clear_current(v unsafe.Pointer) C.bool {
 	w := glfw.GoWindow(v)
 	index := *(*int)(w.GetUserPointer())
-	engine := SelectEngine(index)
-	return C.bool(engine.FClearCurrent(v))
+	flutterEngine := FlutterEngineByIndex(index)
+	return C.bool(flutterEngine.FClearCurrent(v))
 }
 
 //export proxy_present
 func proxy_present(v unsafe.Pointer) C.bool {
 	w := glfw.GoWindow(v)
 	index := *(*int)(w.GetUserPointer())
-	engine := SelectEngine(index)
-	return C.bool(engine.FPresent(v))
+	flutterEngine := FlutterEngineByIndex(index)
+	return C.bool(flutterEngine.FPresent(v))
 }
 
 //export proxy_fbo_callback
 func proxy_fbo_callback(v unsafe.Pointer) C.uint32_t {
 	w := glfw.GoWindow(v)
 	index := *(*int)(w.GetUserPointer())
-	engine := SelectEngine(index)
-	return C.uint32_t(engine.FFboCallback(v))
+	flutterEngine := FlutterEngineByIndex(index)
+	return C.uint32_t(flutterEngine.FFboCallback(v))
 }
 
 //export proxy_make_resource_current
 func proxy_make_resource_current(v unsafe.Pointer) C.bool {
 	w := glfw.GoWindow(v)
 	index := *(*int)(w.GetUserPointer())
-	engine := SelectEngine(index)
-	return C.bool(engine.FMakeResourceCurrent(v))
+	flutterEngine := FlutterEngineByIndex(index)
+	return C.bool(flutterEngine.FMakeResourceCurrent(v))
 }
 
 //export proxy_gl_proc_resolver

flutter/library/flutter_embedder.h renamed to embedder/library/flutter_embedder.h

@@ -0,0 +1,2 @@
+icudtl.dat
+main