[mac] add SetRGBA and basic hooks for asset serving

v2/internal/frontend/desktop/darwin/Application.h

@@ -14,7 +14,7 @@
 
 #define ON_MAIN_THREAD(str) dispatch_async(dispatch_get_main_queue(), ^{ str; });
 
-WailsContext* Create(const char* title, int width, int height, int frameless, int resizable, int fullscreen, int fullSizeContent, int hideTitleBar, int titlebarAppearsTransparent, int hideTitle, int useToolbar, int hideToolbarSeparator, int webviewIsTransparent, int alwaysOnTop, int hideWindowOnClose, const char *appearance, int windowIsTranslucent);
+WailsContext* Create(const char* title, int width, int height, int frameless, int resizable, int fullscreen, int fullSizeContent, int hideTitleBar, int titlebarAppearsTransparent, int hideTitle, int useToolbar, int hideToolbarSeparator, int webviewIsTransparent, int alwaysOnTop, int hideWindowOnClose, const char *appearance, int windowIsTranslucent, int debug);
 void Run(void*);
 
 void SetTitle(WailsContext *ctx, const char *title);
@@ -28,6 +28,10 @@ void UnFullscreen(WailsContext *ctx);
 void Minimise(WailsContext *ctx);
 void UnMinimise(WailsContext *ctx);
 
+void SetRGBA(void *ctx, int r, int g, int b, int a);
+
 void Quit(void*);
 
+void ProcessURLResponse(void *inctx, const char *url, const char *contentType, Byte data[], int datalength);
+
 #endif /* Application_h */

v2/internal/frontend/desktop/darwin/Application.m

@@ -10,9 +10,11 @@
 #import "Application.h"
 #import "AppDelegate.h"
 
-WailsContext* Create(const char* title, int width, int height, int frameless, int resizable, int fullscreen, int fullSizeContent, int hideTitleBar, int titlebarAppearsTransparent, int hideTitle, int useToolbar, int hideToolbarSeparator, int webviewIsTransparent, int alwaysOnTop, int hideWindowOnClose, const char *appearance, int windowIsTranslucent) {
+WailsContext* Create(const char* title, int width, int height, int frameless, int resizable, int fullscreen, int fullSizeContent, int hideTitleBar, int titlebarAppearsTransparent, int hideTitle, int useToolbar, int hideToolbarSeparator, int webviewIsTransparent, int alwaysOnTop, int hideWindowOnClose, const char *appearance, int windowIsTranslucent, int debug) {
     
     WailsContext *result = [WailsContext new];
+
+    result.debug = debug;
     
     [result CreateWindow:width :height :frameless :resizable :fullscreen :fullSizeContent :hideTitleBar :titlebarAppearsTransparent :hideTitle :useToolbar :hideToolbarSeparator :webviewIsTransparent :hideWindowOnClose :appearance :windowIsTranslucent];
     [result SetTitle:title];
@@ -24,12 +26,29 @@ WailsContext* Create(const char* title, int width, int height, int frameless, in
     return result;
 }
 
+void ProcessURLResponse(void *inctx, const char *url, const char *contentType, Byte data[], int datalength) {
+    WailsContext *ctx = (__bridge WailsContext*) inctx;
+    NSString *nsurl = [[NSString alloc] initWithUTF8String:url];
+    NSString *nsContentType = [[NSString alloc] initWithUTF8String:contentType];
+    NSData *nsdata = [NSData dataWithBytes:data length:datalength];
+    
+    [ctx processURLResponse:nsurl :nsContentType :nsdata];
+}
+
 void SetTitle(WailsContext *ctx, const char *title) {
     ON_MAIN_THREAD(
        [ctx SetTitle:title];
     );
 }
 
+
+void SetRGBA(void *inctx, int r, int g, int b, int a) {
+    WailsContext *ctx = (__bridge WailsContext*) inctx;
+    ON_MAIN_THREAD(
+       [ctx SetRGBA:r :g :b :a];
+    );
+}
+
 void SetSize(WailsContext *ctx, int width, int height) {
     ON_MAIN_THREAD(
        [ctx SetSize:width :height];
@@ -98,6 +117,9 @@ void Run(void *inctx) {
     ctx.appdelegate = delegate;
     delegate.mainWindow = ctx.mainWindow;
     delegate.alwaysOnTop = ctx.alwaysOnTop;
+
+    [ctx loadRequest:@"wails://wails/ipc.js"];
+    
     [NSApp run];
     [ctx release];
     NSLog(@"Here");

v2/internal/frontend/desktop/darwin/WailsContext.h

@@ -9,14 +9,16 @@
 #define WailsContext_h
 
 #import <Cocoa/Cocoa.h>
+#import <WebKit/WebKit.h>
 
 @interface WailsWindow : NSWindow
 - (BOOL)canBecomeKeyWindow;
 @end
 
-@interface WailsContext : NSObject
+@interface WailsContext : NSObject <WKURLSchemeHandler>
 
 @property (retain) WailsWindow* mainWindow;
+@property (retain) WKWebView* webview;
 @property (nonatomic, assign) id appdelegate;
 
 @property bool hideOnClose;
@@ -26,6 +28,9 @@
 @property NSSize minSize;
 
 @property bool alwaysOnTop;
+@property bool debug;
+
+@property (retain) NSMutableDictionary *urlRequests;
 
 - (void) CreateWindow:(int)width :(int)height :(bool)frameless :(bool)resizable :(bool)fullscreen :(bool)fullSizeContent :(bool)hideTitleBar :(bool)titlebarAppearsTransparent  :(bool)hideTitle :(bool)useToolbar :(bool)hideToolbarSeparator :(bool)webviewIsTransparent :(bool)hideWindowOnClose :(const char *)appearance :(bool)windowIsTranslucent;
 - (void) SetSize:(int)width :(int)height;
@@ -38,6 +43,10 @@
 - (void) UnFullscreen;
 - (void) Minimise;
 - (void) UnMinimise;
+- (void) SetRGBA:(int)r :(int)g :(int)b :(int)a;
+
+- (void) loadRequest:(NSString*)url;
+- (void) processURLResponse:(NSString *)url :(NSString *)contentType :(NSData*)data;
 
 @end
 

v2/internal/frontend/desktop/darwin/WailsContext.m

@@ -6,8 +6,10 @@
 //
 
 #import <Foundation/Foundation.h>
+#import <WebKit/WebKit.h>
 #import "WailsContext.h"
 #import "WindowDelegate.h"
+#import "message.h"
 
 @implementation WailsWindow
 
@@ -114,6 +116,8 @@
 
 - (void) CreateWindow:(int)width :(int)height :(bool)frameless :(bool)resizable :(bool)fullscreen :(bool)fullSizeContent :(bool)hideTitleBar :(bool)titlebarAppearsTransparent :(bool)hideTitle :(bool)useToolbar :(bool)hideToolbarSeparator :(bool)webviewIsTransparent :(bool)hideWindowOnClose :(const char *)appearance :(bool)windowIsTranslucent {
     
+    self.urlRequests = [NSMutableDictionary new];
+    
     NSWindowStyleMask styleMask = NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskMiniaturizable;
  
     if (frameless) {
@@ -140,6 +144,7 @@
     }
     
     if (useToolbar) {
+        NSLog(@"Using Toolbar");
         id toolbar = [[NSToolbar alloc] initWithIdentifier:@"wails.toolbar"];
         [toolbar autorelease];
         [toolbar setShowsBaselineSeparator:!hideToolbarSeparator];
@@ -150,8 +155,8 @@
     [self.mainWindow setTitlebarAppearsTransparent:titlebarAppearsTransparent];
     [self.mainWindow canBecomeKeyWindow];
     
+    id contentView = [self.mainWindow contentView];
     if (windowIsTranslucent) {
-        id contentView = [self.mainWindow contentView];
         NSVisualEffectView *effectView = [NSVisualEffectView alloc];
         NSRect bounds = [contentView bounds];
         [effectView initWithFrame:bounds];
@@ -179,9 +184,48 @@
     [self.mainWindow setDelegate:windowDelegate];
     
     // Webview stuff here!
+    WKWebViewConfiguration *config = [WKWebViewConfiguration new];
+    config.suppressesIncrementalRendering = true;
+    [config setURLSchemeHandler:self forURLScheme:@"wails"];
+    
+    [config.preferences setValue:[NSNumber numberWithBool:true] forKey:@"developerExtrasEnabled"];
+    
+//    if (self.debug) {
+//        [config.preferences setValue:@YES forKey:@"developerExtrasEnabled"];
+//    } else {
+//        // Disable default context menus
+//    }
+    
+    self.webview = [WKWebView alloc];
+    CGRect init = { 0,0,0,0 };
+    [self.webview initWithFrame:init configuration:config];
+    [contentView addSubview:self.webview];
+    [self.webview setAutoresizingMask: NSViewWidthSizable|NSViewHeightSizable];
+    CGRect contentViewBounds = [contentView bounds];
+    [self.webview setFrame:contentViewBounds];
+    
+    if (webviewIsTransparent) {
+        [self.webview setValue:[NSNumber numberWithBool:!webviewIsTransparent] forKey:@"drawsBackground"];
+    }
+    
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    [defaults setBool:FALSE forKey:@"NSAutomaticQuoteSubstitutionEnabled"];
+    
     
 }
 
+- (void) loadRequest :(NSString*)url {
+    NSURL *wkUrl = [NSURL URLWithString:url];
+    NSURLRequest *wkRequest = [NSURLRequest requestWithURL:wkUrl];
+    [self.webview loadRequest:wkRequest];
+}
+
+- (void) SetRGBA:(int)r :(int)g :(int)b :(int)a {
+    id colour = [NSColor colorWithCalibratedRed:(float)r green:(float)g blue:(float)b alpha:(float)a ];
+    [self.mainWindow setBackgroundColor:colour];
+}
+
+
 - (bool) isFullScreen {
     long mask = [self.mainWindow styleMask];
     return (mask & NSWindowStyleMaskFullScreen) == NSWindowStyleMaskFullScreen;
@@ -209,5 +253,30 @@
     [self.mainWindow deminiaturize:nil];
 }
 
+- (void) processURLResponse:(NSString *)url :(NSString *)contentType :(NSData *)data {
+    id<WKURLSchemeTask> urlSchemeTask = self.urlRequests[url];
+    NSURL *nsurl = [NSURL URLWithString:url];
+
+    NSHTTPURLResponse *response = [NSHTTPURLResponse new];
+    NSMutableDictionary *headerFields = [NSMutableDictionary new];
+    headerFields[@"content-type"] = contentType;
+    [response initWithURL:nsurl statusCode:200 HTTPVersion:@"HTTP/1.1" headerFields:headerFields];
+    [urlSchemeTask didReceiveResponse:response];
+    [urlSchemeTask didReceiveData:data];
+    [urlSchemeTask didFinish];
+    [self.urlRequests removeObjectForKey:url];
+}
+
+- (void)webView:(nonnull WKWebView *)webView startURLSchemeTask:(nonnull id<WKURLSchemeTask>)urlSchemeTask {
+    NSLog(@"request for resource: %@", urlSchemeTask.request.URL.absoluteString);
+    // Do something
+    self.urlRequests[urlSchemeTask.request.URL.absoluteString] = urlSchemeTask;
+    processURLRequest(self, [urlSchemeTask.request.URL.absoluteString UTF8String]);
+}
+
+- (void)webView:(nonnull WKWebView *)webView stopURLSchemeTask:(nonnull id<WKURLSchemeTask>)urlSchemeTask {
+    
+}
+
 @end
 

v2/internal/frontend/desktop/darwin/frontend.go

@@ -219,34 +219,7 @@ func (f *Frontend) WindowSetRGBA(col *options.RGBA) {
 	if col == nil {
 		return
 	}
-	/*
-
-		//f.mainWindow.Dispatch(func() {
-			controller := f.chromium.GetController()
-			controller2 := controller.GetICoreWebView2Controller2()
-
-			backgroundCol := edge.COREWEBVIEW2_COLOR{
-				A: col.A,
-				R: col.R,
-				G: col.G,
-				B: col.B,
-			}
-
-			// Webview2 only has 0 and 255 as valid values.
-			if backgroundCol.A > 0 && backgroundCol.A < 255 {
-				backgroundCol.A = 255
-			}
-
-			if f.frontendOptions.Windows != nil && f.frontendOptions.Windows.WebviewIsTransparent {
-				backgroundCol.A = 0
-			}
-
-			err := controller2.PutDefaultBackgroundColor(backgroundCol)
-			if err != nil {
-				log.Fatal(err)
-			}
-		})
-	*/
+	f.mainWindow.SetRGBA(col.R, col.G, col.B, col.A)
 }
 
 func (f *Frontend) Quit() {

v2/internal/frontend/desktop/darwin/message.h

@@ -15,6 +15,7 @@ extern "C"
 #endif
 
 void processMessage(const char *);
+void processURLRequest(void*, const char *);
 
 #ifdef __cplusplus
 }

v2/internal/frontend/desktop/darwin/window.go

@@ -2,7 +2,7 @@ package darwin
 
 /*
 #cgo CFLAGS: -x objective-c
-#cgo LDFLAGS: -framework Foundation -framework Cocoa
+#cgo LDFLAGS: -framework Foundation -framework Cocoa -framework WebKit
 #import <Foundation/Foundation.h>
 #import "Application.h"
 #import "WailsContext.h"
@@ -39,6 +39,11 @@ func NewWindow(frontendOptions *options.App) *Window {
 	alwaysOnTop := bool2Cint(frontendOptions.AlwaysOnTop)
 	webviewIsTransparent := bool2Cint(frontendOptions.AlwaysOnTop)
 	hideWindowOnClose := bool2Cint(frontendOptions.HideWindowOnClose)
+	debug := bool2Cint(true)
+	alpha := C.Int(frontendOptions.RGBA.A)
+	red := C.Int(frontendOptions.RGBA.R)
+	green := C.Int(frontendOptions.RGBA.G)
+	blue := C.Int(frontendOptions.RGBA.B)
 
 	var fullSizeContent, hideTitleBar, hideTitle, useToolbar C.int
 	var titlebarAppearsTransparent, hideToolbarSeparator, windowIsTranslucent C.int
@@ -62,21 +67,23 @@ func NewWindow(frontendOptions *options.App) *Window {
 		windowIsTranslucent = bool2Cint(mac.WindowIsTranslucent)
 		appearance = C.CString(string(mac.Appearance))
 	}
-	var context *C.WailsContext = C.Create(title, width, height, frameless, resizable, fullscreen, fullSizeContent, hideTitleBar, titlebarAppearsTransparent, hideTitle, useToolbar, hideToolbarSeparator, webviewIsTransparent, alwaysOnTop, hideWindowOnClose, appearance, windowIsTranslucent)
+	var context *C.WailsContext = C.Create(title, width, height, frameless, resizable, fullscreen, fullSizeContent, hideTitleBar, titlebarAppearsTransparent, hideTitle, useToolbar, hideToolbarSeparator, webviewIsTransparent, alwaysOnTop, hideWindowOnClose, appearance, windowIsTranslucent, debug)
 
 	C.free(unsafe.Pointer(title))
 	if appearance != nil {
 		C.free(unsafe.Pointer(appearance))
 	}
 
+	C.SetRGBA(context, red, green, blue, alpha)
+
 	return &Window{
 		context: unsafe.Pointer(context),
 	}
 }
 
-//func (w *Window) Center() {
-//	C.Center(w.wailsApplication)
-//}
+func (w *Window) Center() {
+	C.Center(w.context)
+}
 
 func (w *Window) Run() {
 	C.Run(w.context)
@@ -86,3 +93,7 @@ func (w *Window) Run() {
 func (w *Window) Quit() {
 	C.Quit(w.context)
 }
+
+func (w *Window) SetRGBA(r uint8, g uint8, b uint8, a uint8) {
+	C.SetRGBA(w.context, r, g, b, a)
+}

v2/pkg/options/mac/mac.go

@@ -15,5 +15,5 @@ type Options struct {
 	WebviewIsTransparent bool
 	WindowIsTranslucent  bool
 	ActivationPolicy     ActivationPolicy
-	URLHandlers          map[string]func(string)
+	//URLHandlers          map[string]func(string)
 }