1 năm trước cách đây · ccb363c443
--- a/Meta/gn/secondary/Userland/Libraries/LibWeb/HTML/BUILD.gn
+++ b/Meta/gn/secondary/Userland/Libraries/LibWeb/HTML/BUILD.gn
@@ -113,6 +113,7 @@ source_set("HTML") {
 
				     "HTMLUListElement.cpp",
			
 
				     "HTMLUnknownElement.cpp",
			
 
				     "HTMLVideoElement.cpp",
			
 
				+    "HashChangeEvent.cpp",
			
 
				     "History.cpp",
			
 
				     "ImageBitmap.cpp",
			
 
				     "ImageData.cpp",
			
--- a/Meta/gn/secondary/Userland/Libraries/LibWeb/idl_files.gni
+++ b/Meta/gn/secondary/Userland/Libraries/LibWeb/idl_files.gni
@@ -117,6 +117,7 @@ standard_idl_files = [
 
				   "//Userland/Libraries/LibWeb/HTML/DataTransfer.idl",
			
 
				   "//Userland/Libraries/LibWeb/HTML/ErrorEvent.idl",
			
 
				   "//Userland/Libraries/LibWeb/HTML/FormDataEvent.idl",
			
 
				+  "//Userland/Libraries/LibWeb/HTML/HashChangeEvent.idl",
			
 
				   "//Userland/Libraries/LibWeb/HTML/History.idl",
			
 
				   "//Userland/Libraries/LibWeb/HTML/HTMLAllCollection.idl",
			
 
				   "//Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.idl",
			
--- a/Tests/LibWeb/Text/data/iframe-hashchange-event.html
+++ b/Tests/LibWeb/Text/data/iframe-hashchange-event.html
@@ -0,0 +1,12 @@
 
				+<!DOCTYPE html>
			
 
				+<script>
			
 
				+    window.addEventListener('hashchange', (event) => {
			
 
				+        const oldURL = new URL(event.oldURL);
			
 
				+        const newURL = new URL(event.newURL);
			
 
				+        parent.postMessage(`hashchange oldURL.hash=${oldURL.hash} newURL.hash=${newURL.hash}`, "*");
			
 
				+        if (location.hash === "#test")
			
 
				+            location.hash = "#done";
			
 
				+    });
			
 
				+
			
 
				+    location.hash = "#test";
			
 
				+</script>
			
--- a/Tests/LibWeb/Text/expected/navigation/hashchange-event.txt
+++ b/Tests/LibWeb/Text/expected/navigation/hashchange-event.txt
@@ -0,0 +1,2 @@
 
				+  hashchange oldURL.hash= newURL.hash=#test
			
 
				+hashchange oldURL.hash=#test newURL.hash=#done
			
--- a/Tests/LibWeb/Text/input/navigation/hashchange-event.html
+++ b/Tests/LibWeb/Text/input/navigation/hashchange-event.html
@@ -0,0 +1,13 @@
 
				+<script src="../include.js"></script>
			
 
				+<iframe src="../../data/iframe-hashchange-event.html"></iframe>
			
 
				+<script>
			
 
				+    asyncTest(done => {
			
 
				+        let messageCount = 0;
			
 
				+        window.addEventListener("message", event => {
			
 
				+            println(event.data);
			
 
				+            messageCount++;
			
 
				+            if (messageCount == 2)
			
 
				+                done();
			
 
				+        });
			
 
				+    });
			
 
				+</script>
			
--- a/Userland/Libraries/LibWeb/CMakeLists.txt
+++ b/Userland/Libraries/LibWeb/CMakeLists.txt
@@ -277,6 +277,7 @@ set(SOURCES
 
				     HTML/FormControlInfrastructure.cpp
			
 
				     HTML/FormDataEvent.cpp
			
 
				     HTML/GlobalEventHandlers.cpp
			
 
				+    HTML/HashChangeEvent.cpp
			
 
				     HTML/History.cpp
			
 
				     HTML/HTMLAllCollection.cpp
			
 
				     HTML/HTMLAnchorElement.cpp
			
--- a/Userland/Libraries/LibWeb/DOM/Document.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Document.cpp
@@ -79,6 +79,7 @@
 
				 #include <LibWeb/HTML/HTMLObjectElement.h>
			
 
				 #include <LibWeb/HTML/HTMLScriptElement.h>
			
 
				 #include <LibWeb/HTML/HTMLTitleElement.h>
			
 
				+#include <LibWeb/HTML/HashChangeEvent.h>
			
 
				 #include <LibWeb/HTML/ListOfAvailableImages.h>
			
 
				 #include <LibWeb/HTML/Location.h>
			
 
				 #include <LibWeb/HTML/MessageEvent.h>
			
@@ -4023,10 +4024,19 @@ void Document::update_for_history_step_application(JS::NonnullGCPtr<HTML::Sessio
 
				 
			
 
				             // FIXME: 3. Restore persisted state given entry.
			
 
				 
			
 
				-            // FIXME: 4. If oldURL's fragment is not equal to entry's URL's fragment, then queue a global task on the DOM manipulation task source
			
 
				-            //           given document's relevant global object to fire an event named hashchange at document's relevant global object,
			
 
				-            //           using HashChangeEvent, with the oldURL attribute initialized to the serialization of oldURL and the newURL attribute
			
 
				-            //           initialized to the serialization of entry's URL.
			
 
				+            // 4. If oldURL's fragment is not equal to entry's URL's fragment, then queue a global task on the DOM manipulation task source
			
 
				+            //    given document's relevant global object to fire an event named hashchange at document's relevant global object,
			
 
				+            //    using HashChangeEvent, with the oldURL attribute initialized to the serialization of oldURL and the newURL attribute
			
 
				+            //    initialized to the serialization of entry's URL.
			
 
				+            if (old_url.fragment() != entry->url().fragment()) {
			
 
				+                HTML::HashChangeEventInit hashchange_event_init;
			
 
				+                hashchange_event_init.old_url = MUST(String::from_byte_string(old_url.serialize()));
			
 
				+                hashchange_event_init.new_url = MUST(String::from_byte_string(entry->url().serialize()));
			
 
				+                auto hashchange_event = HTML::HashChangeEvent::create(realm(), "hashchange"_fly_string, hashchange_event_init);
			
 
				+                HTML::queue_global_task(HTML::Task::Source::DOMManipulation, relevant_global_object, [hashchange_event, &relevant_global_object]() {
			
 
				+                    relevant_global_object.dispatch_event(hashchange_event);
			
 
				+                });
			
 
				+            }
			
 
				         }
			
 
				 
			
 
				         // 6. Otherwise:
			
--- a/Userland/Libraries/LibWeb/HTML/HashChangeEvent.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HashChangeEvent.cpp
@@ -0,0 +1,45 @@
 
				+/*
			
 
				+ * Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
			
 
				+ *
			
 
				+ * SPDX-License-Identifier: BSD-2-Clause
			
 
				+ */
			
 
				+
			
 
				+#include <LibJS/Heap/Heap.h>
			
 
				+#include <LibJS/Runtime/Realm.h>
			
 
				+#include <LibWeb/Bindings/HashChangeEventPrototype.h>
			
 
				+#include <LibWeb/Bindings/Intrinsics.h>
			
 
				+#include <LibWeb/HTML/HashChangeEvent.h>
			
 
				+
			
 
				+namespace Web::HTML {
			
 
				+
			
 
				+JS_DEFINE_ALLOCATOR(HashChangeEvent);
			
 
				+
			
 
				+[[nodiscard]] JS::NonnullGCPtr<HashChangeEvent> HashChangeEvent::create(JS::Realm& realm, FlyString const& event_name, HashChangeEventInit const& event_init)
			
 
				+{
			
 
				+    return realm.heap().allocate<HashChangeEvent>(realm, realm, event_name, event_init);
			
 
				+}
			
 
				+
			
 
				+JS::NonnullGCPtr<HashChangeEvent> HashChangeEvent::construct_impl(JS::Realm& realm, FlyString const& event_name, HashChangeEventInit const& event_init)
			
 
				+{
			
 
				+    return realm.heap().allocate<HashChangeEvent>(realm, realm, event_name, event_init);
			
 
				+}
			
 
				+
			
 
				+HashChangeEvent::HashChangeEvent(JS::Realm& realm, FlyString const& event_name, HashChangeEventInit const& event_init)
			
 
				+    : DOM::Event(realm, event_name, event_init)
			
 
				+    , m_old_url(event_init.old_url)
			
 
				+    , m_new_url(event_init.new_url)
			
 
				+{
			
 
				+}
			
 
				+
			
 
				+void HashChangeEvent::initialize(JS::Realm& realm)
			
 
				+{
			
 
				+    Base::initialize(realm);
			
 
				+    WEB_SET_PROTOTYPE_FOR_INTERFACE(HashChangeEvent);
			
 
				+}
			
 
				+
			
 
				+void HashChangeEvent::visit_edges(JS::Cell::Visitor& visitor)
			
 
				+{
			
 
				+    Base::visit_edges(visitor);
			
 
				+}
			
 
				+
			
 
				+}
			
--- a/Userland/Libraries/LibWeb/HTML/HashChangeEvent.h
+++ b/Userland/Libraries/LibWeb/HTML/HashChangeEvent.h
@@ -0,0 +1,39 @@
 
				+/*
			
 
				+ * Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
			
 
				+ *
			
 
				+ * SPDX-License-Identifier: BSD-2-Clause
			
 
				+ */
			
 
				+
			
 
				+#pragma once
			
 
				+
			
 
				+#include <LibWeb/DOM/Event.h>
			
 
				+
			
 
				+namespace Web::HTML {
			
 
				+
			
 
				+struct HashChangeEventInit : public DOM::EventInit {
			
 
				+    String old_url;
			
 
				+    String new_url;
			
 
				+};
			
 
				+
			
 
				+class HashChangeEvent final : public DOM::Event {
			
 
				+    WEB_PLATFORM_OBJECT(HashChangeEvent, DOM::Event);
			
 
				+    JS_DECLARE_ALLOCATOR(HashChangeEvent);
			
 
				+
			
 
				+public:
			
 
				+    [[nodiscard]] static JS::NonnullGCPtr<HashChangeEvent> create(JS::Realm&, FlyString const& event_name, HashChangeEventInit const&);
			
 
				+    [[nodiscard]] static JS::NonnullGCPtr<HashChangeEvent> construct_impl(JS::Realm&, FlyString const& event_name, HashChangeEventInit const&);
			
 
				+
			
 
				+    String old_url() const { return m_old_url; }
			
 
				+    String new_url() const { return m_new_url; }
			
 
				+
			
 
				+private:
			
 
				+    HashChangeEvent(JS::Realm&, FlyString const& event_name, HashChangeEventInit const& event_init);
			
 
				+
			
 
				+    virtual void initialize(JS::Realm&) override;
			
 
				+    virtual void visit_edges(JS::Cell::Visitor& visitor) override;
			
 
				+
			
 
				+    String m_old_url;
			
 
				+    String m_new_url;
			
 
				+};
			
 
				+
			
 
				+}
			
--- a/Userland/Libraries/LibWeb/HTML/HashChangeEvent.idl
+++ b/Userland/Libraries/LibWeb/HTML/HashChangeEvent.idl
@@ -0,0 +1,15 @@
 
				+#import <DOM/Event.idl>
			
 
				+
			
 
				+// https://html.spec.whatwg.org/multipage/nav-history-apis.html#hashchangeevent
			
 
				+[Exposed=Window]
			
 
				+interface HashChangeEvent : Event {
			
 
				+  constructor(DOMString type, optional HashChangeEventInit eventInitDict = {});
			
 
				+
			
 
				+  readonly attribute USVString oldURL;
			
 
				+  readonly attribute USVString newURL;
			
 
				+};
			
 
				+
			
 
				+dictionary HashChangeEventInit : EventInit {
			
 
				+  USVString oldURL = "";
			
 
				+  USVString newURL = "";
			
 
				+};
			
--- a/Userland/Libraries/LibWeb/idl_files.cmake
+++ b/Userland/Libraries/LibWeb/idl_files.cmake
@@ -102,6 +102,7 @@ libweb_js_bindings(HTML/DOMStringMap)
 
				 libweb_js_bindings(HTML/DataTransfer)
			
 
				 libweb_js_bindings(HTML/ErrorEvent)
			
 
				 libweb_js_bindings(HTML/FormDataEvent)
			
 
				+libweb_js_bindings(HTML/HashChangeEvent)
			
 
				 libweb_js_bindings(HTML/History)
			
 
				 libweb_js_bindings(HTML/HTMLAllCollection)
			
 
				 libweb_js_bindings(HTML/HTMLAnchorElement)