DefaultURLHandler: Add `saveDefaultURLHandler`

This method is supposed to set CopyMailto as the default application for
"mailto" URLs. But it keeps giving me a `-54` error, or `202` status
code on the shell. WTF is going on?

3 files changed, 18 insertions, 1 deletions

diff --git a/CopyMailto/DefaultURLHandler.h b/CopyMailto/DefaultURLHandler.h
index 7bad3d0..fb54e9e 100644
--- a/CopyMailto/DefaultURLHandler.h
+++ b/CopyMailto/DefaultURLHandler.h
@@ -10,6 +10,7 @@
 
 @interface DefaultURLHandler : NSObject
 
++ (OSStatus)setDefaultURLHandler;
 + (void)saveDefaultURLHandler;
 
 @end
diff --git a/CopyMailto/DefaultURLHandler.m b/CopyMailto/DefaultURLHandler.m
index 6ea69c1..8ce1728 100644
--- a/CopyMailto/DefaultURLHandler.m
+++ b/CopyMailto/DefaultURLHandler.m
@@ -10,6 +10,19 @@
 
 @implementation DefaultURLHandler
 
++ (OSStatus)setDefaultURLHandler {
+    CFStringRef scheme = (CFStringRef)@"mailto";
+    CFStringRef bundle_identifier = (__bridge CFStringRef)[[NSBundle mainBundle] bundleIdentifier];
+    NSLog(@"%@", bundle_identifier);
+
+    OSStatus status = LSSetDefaultHandlerForURLScheme(scheme, bundle_identifier);
+    NSLog(@"%d", status);
+
+    CFRelease(scheme);
+
+    return status;
+}
+
 + (void)saveDefaultURLHandler {
     CFStringRef mailto = (CFStringRef)@"mailto";
     CFStringRef bundle_identifier = LSCopyDefaultHandlerForURLScheme(mailto);
diff --git a/CopyMailto/main.m b/CopyMailto/main.m
index 8dfe2c1..e61f04e 100644
--- a/CopyMailto/main.m
+++ b/CopyMailto/main.m
@@ -11,6 +11,9 @@
 #import "DefaultURLHandler.h"
 
 int main(int argc, const char * argv[]) {
-    [DefaultURLHandler saveDefaultURLHandler];
+    if (argc == 2 && strcmp(argv[1], "--set-url-handler") == 0) {
+        return [DefaultURLHandler setDefaultURLHandler];
+    }
+
     return NSApplicationMain(argc, argv);
 }