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handle null event listener

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This commit is contained in:
Muki Kiboigo
2025-07-23 06:53:44 -07:00
parent f7f382275a
commit 88655d877b
1 changed files with 31 additions and 14 deletions
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45
src/browser/xhr/event_target.zig
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@@ -91,32 +91,49 @@ pub const XMLHttpRequestEventTarget = struct {
return self.onreadystatechange_cbk;
}
pub fn set_onloadstart(self: *XMLHttpRequestEventTarget, listener: EventHandler.Listener, page: *Page) !void {
pub fn set_onloadstart(self: *XMLHttpRequestEventTarget, listener: ?EventHandler.Listener, page: *Page) !void {
if (self.onloadstart_cbk) |cbk| try self.unregister("loadstart", cbk.id);
self.onloadstart_cbk = try self.register(page.arena, "loadstart", listener);
if (listener) |listen| {
self.onloadstart_cbk = try self.register(page.arena, "loadstart", listen);
}
}
pub fn set_onprogress(self: *XMLHttpRequestEventTarget, listener: EventHandler.Listener, page: *Page) !void {
pub fn set_onprogress(self: *XMLHttpRequestEventTarget, listener: ?EventHandler.Listener, page: *Page) !void {
if (self.onprogress_cbk) |cbk| try self.unregister("progress", cbk.id);
self.onprogress_cbk = try self.register(page.arena, "progress", listener);
if (listener) |listen| {
self.onprogress_cbk = try self.register(page.arena, "progress", listen);
}
}
pub fn set_onabort(self: *XMLHttpRequestEventTarget, listener: EventHandler.Listener, page: *Page) !void {
pub fn set_onabort(self: *XMLHttpRequestEventTarget, listener: ?EventHandler.Listener, page: *Page) !void {
if (self.onabort_cbk) |cbk| try self.unregister("abort", cbk.id);
self.onabort_cbk = try self.register(page.arena, "abort", listener);
if (listener) |listen| {
self.onabort_cbk = try self.register(page.arena, "abort", listen);
}
}
pub fn set_onload(self: *XMLHttpRequestEventTarget, listener: EventHandler.Listener, page: *Page) !void {
pub fn set_onload(self: *XMLHttpRequestEventTarget, listener: ?EventHandler.Listener, page: *Page) !void {
if (self.onload_cbk) |cbk| try self.unregister("load", cbk.id);
self.onload_cbk = try self.register(page.arena, "load", listener);
if (listener) |listen| {
self.onload_cbk = try self.register(page.arena, "load", listen);
}
}
pub fn set_ontimeout(self: *XMLHttpRequestEventTarget, listener: EventHandler.Listener, page: *Page) !void {
pub fn set_ontimeout(self: *XMLHttpRequestEventTarget, listener: ?EventHandler.Listener, page: *Page) !void {
if (self.ontimeout_cbk) |cbk| try self.unregister("timeout", cbk.id);
self.ontimeout_cbk = try self.register(page.arena, "timeout", listener);
if (listener) |listen| {
self.ontimeout_cbk = try self.register(page.arena, "timeout", listen);
}
}
pub fn set_onloadend(self: *XMLHttpRequestEventTarget, listener: EventHandler.Listener, page: *Page) !void {
pub fn set_onloadend(self: *XMLHttpRequestEventTarget, listener: ?EventHandler.Listener, page: *Page) !void {
if (self.onloadend_cbk) |cbk| try self.unregister("loadend", cbk.id);
self.onloadend_cbk = try self.register(page.arena, "loadend", listener);
if (listener) |listen| {
self.onloadend_cbk = try self.register(page.arena, "loadend", listen);
}
}
pub fn set_onreadystatechange(self: *XMLHttpRequestEventTarget, listener: EventHandler.Listener, page: *Page) !void {
pub fn set_onreadystatechange(self: *XMLHttpRequestEventTarget, listener: ?EventHandler.Listener, page: *Page) !void {
if (self.onreadystatechange_cbk) |cbk| try self.unregister("readystatechange", cbk.id);
self.onreadystatechange_cbk = try self.register(page.arena, "readystatechange", listener);
if (listener) |listen| {
self.onreadystatechange_cbk = try self.register(page.arena, "readystatechange", listen);
}
}
};