LibWeb: Stub AudioContext constructor

This is enough to make Discord not throw up "Well this is awkward" on
login.

Meta/Lagom/Tools/CodeGenerators/LibWeb/BindingsGenerator/IDLGenerators.cpp

@@ -3114,6 +3114,7 @@ using namespace Web::UIEvents;
 using namespace Web::URL;
 using namespace Web::XHR;
 using namespace Web::WebAssembly;
+using namespace Web::WebAudio;
 using namespace Web::WebGL;
 using namespace Web::WebIDL;
 
@@ -3330,6 +3331,7 @@ using namespace Web::UserTiming;
 using namespace Web::URL;
 using namespace Web::XHR;
 using namespace Web::WebAssembly;
+using namespace Web::WebAudio;
 using namespace Web::WebGL;
 using namespace Web::WebIDL;
 
@@ -3713,6 +3715,7 @@ using namespace Web::UserTiming;
 using namespace Web::WebSockets;
 using namespace Web::XHR;
 using namespace Web::WebAssembly;
+using namespace Web::WebAudio;
 using namespace Web::WebGL;
 using namespace Web::WebIDL;
 
@@ -3843,6 +3846,7 @@ using namespace Web::XHR;
 using namespace Web::UIEvents;
 using namespace Web::URL;
 using namespace Web::UserTiming;
+using namespace Web::WebAudio;
 using namespace Web::WebGL;
 using namespace Web::WebIDL;
 
@@ -3994,6 +3998,7 @@ using namespace Web::SVG;
 using namespace Web::UIEvents;
 using namespace Web::URL;
 using namespace Web::UserTiming;
+using namespace Web::WebAudio;
 using namespace Web::WebSockets;
 using namespace Web::XHR;
 using namespace Web::WebGL;

Meta/Lagom/Tools/CodeGenerators/LibWeb/BindingsGenerator/Namespaces.h

@@ -31,6 +31,7 @@ static constexpr Array libweb_interface_namespaces = {
     "Selection"sv,
     "UIEvents"sv,
     "URL"sv,
+    "WebAudio"sv,
     "WebGL"sv,
     "WebIDL"sv,
     "WebSockets"sv,

Userland/Libraries/LibWeb/CMakeLists.txt

@@ -540,6 +540,8 @@ set(SOURCES
     WebAssembly/Module.cpp
     WebAssembly/Table.cpp
     WebAssembly/WebAssembly.cpp
+    WebAudio/AudioContext.cpp
+    WebAudio/BaseAudioContext.cpp
     WebDriver/Capabilities.cpp
     WebDriver/Client.cpp
     WebDriver/Contexts.cpp

Userland/Libraries/LibWeb/Forward.h

@@ -577,6 +577,11 @@ class Module;
 class Table;
 }
 
+namespace Web::WebAudio {
+class AudioContext;
+class BaseAudioContext;
+}
+
 namespace Web::WebGL {
 class WebGLContextEvent;
 class WebGLRenderingContext;

Userland/Libraries/LibWeb/WebAudio/AudioContext.cpp

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/WebAudio/AudioContext.h>
+
+namespace Web::WebAudio {
+
+// https://webaudio.github.io/web-audio-api/#dom-audiocontext-audiocontext
+WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioContext>> AudioContext::construct_impl(JS::Realm& realm)
+{
+    dbgln("(STUBBED) new AudioContext()");
+    return MUST_OR_THROW_OOM(realm.heap().allocate<AudioContext>(realm, realm));
+}
+
+AudioContext::AudioContext(JS::Realm& realm)
+    : BaseAudioContext(realm)
+{
+}
+
+AudioContext::~AudioContext() = default;
+
+JS::ThrowCompletionOr<void> AudioContext::initialize(JS::Realm& realm)
+{
+    MUST_OR_THROW_OOM(Base::initialize(realm));
+    set_prototype(&Bindings::ensure_web_prototype<Bindings::AudioContextPrototype>(realm, "AudioContext"));
+
+    return {};
+}
+
+}

Userland/Libraries/LibWeb/WebAudio/AudioContext.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/WebAudio/BaseAudioContext.h>
+
+namespace Web::WebAudio {
+
+// https://webaudio.github.io/web-audio-api/#AudioContext
+class AudioContext final : public BaseAudioContext {
+    WEB_PLATFORM_OBJECT(AudioContext, BaseAudioContext);
+
+public:
+    static WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioContext>> construct_impl(JS::Realm&);
+
+    virtual ~AudioContext() override;
+
+private:
+    explicit AudioContext(JS::Realm&);
+
+    virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
+};
+
+}

Userland/Libraries/LibWeb/WebAudio/AudioContext.idl

@@ -0,0 +1,8 @@
+#import <WebAudio/BaseAudioContext.idl>
+
+// https://webaudio.github.io/web-audio-api/#AudioContext
+[Exposed=Window]
+interface AudioContext : BaseAudioContext {
+    // FIXME: Should be constructor (optional AudioContextOptions contextOptions = {});
+    constructor();
+};

Userland/Libraries/LibWeb/WebAudio/BaseAudioContext.cpp

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/WebAudio/BaseAudioContext.h>
+
+namespace Web::WebAudio {
+
+BaseAudioContext::BaseAudioContext(JS::Realm& realm)
+    : DOM::EventTarget(realm)
+{
+}
+
+BaseAudioContext::~BaseAudioContext() = default;
+
+JS::ThrowCompletionOr<void> BaseAudioContext::initialize(JS::Realm& realm)
+{
+    MUST_OR_THROW_OOM(Base::initialize(realm));
+    set_prototype(&Bindings::ensure_web_prototype<Bindings::BaseAudioContextPrototype>(realm, "BaseAudioContext"));
+
+    return {};
+}
+
+}

Userland/Libraries/LibWeb/WebAudio/BaseAudioContext.h

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/DOM/EventTarget.h>
+
+namespace Web::WebAudio {
+
+// https://webaudio.github.io/web-audio-api/#BaseAudioContext
+class BaseAudioContext : public DOM::EventTarget {
+    WEB_PLATFORM_OBJECT(BaseAudioContext, DOM::EventTarget);
+
+public:
+    virtual ~BaseAudioContext() override;
+
+protected:
+    explicit BaseAudioContext(JS::Realm&);
+
+    virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
+};
+
+}

Userland/Libraries/LibWeb/WebAudio/BaseAudioContext.idl

@@ -0,0 +1,6 @@
+#import <DOM/EventTarget.idl>
+
+// https://webaudio.github.io/web-audio-api/#BaseAudioContext
+[Exposed=Window]
+interface BaseAudioContext : EventTarget {
+};

Userland/Libraries/LibWeb/idl_files.cmake

@@ -227,6 +227,8 @@ libweb_js_bindings(WebAssembly/Memory)
 libweb_js_bindings(WebAssembly/Module)
 libweb_js_bindings(WebAssembly/Table)
 libweb_js_bindings(WebAssembly/WebAssembly NAMESPACE)
+libweb_js_bindings(WebAudio/AudioContext)
+libweb_js_bindings(WebAudio/BaseAudioContext)
 libweb_js_bindings(WebGL/WebGLContextEvent)
 libweb_js_bindings(WebGL/WebGLRenderingContext)
 libweb_js_bindings(WebIDL/DOMException)