mirror of
https://github.com/LadybirdBrowser/ladybird.git
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a6dfc74e93
Before this change, we were going through the chain of base classes for each IDL interface object and having them set the prototype to their prototype. Instead of doing that, reorder things so that we set the right prototype immediately in Foo::initialize(), and then don't bother in all the base class overrides. This knocks off a ~1% profile item on Speedometer 3.
131 lines
4.2 KiB
C++
131 lines
4.2 KiB
C++
/*
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* Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/Bindings/PluginPrototype.h>
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#include <LibWeb/HTML/Plugin.h>
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#include <LibWeb/HTML/Scripting/Environments.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/Page/Page.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(Plugin);
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Plugin::Plugin(JS::Realm& realm, String name)
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: Bindings::PlatformObject(realm)
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, m_name(move(name))
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{
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m_legacy_platform_object_flags = LegacyPlatformObjectFlags {
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.supports_indexed_properties = true,
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.supports_named_properties = true,
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.has_legacy_unenumerable_named_properties_interface_extended_attribute = true,
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};
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}
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Plugin::~Plugin() = default;
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void Plugin::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(Plugin);
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Base::initialize(realm);
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}
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// https://html.spec.whatwg.org/multipage/system-state.html#dom-plugin-name
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String const& Plugin::name() const
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{
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// The Plugin interface's name getter steps are to return this's name.
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return m_name;
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}
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// https://html.spec.whatwg.org/multipage/system-state.html#dom-plugin-description
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String Plugin::description() const
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{
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// The Plugin interface's description getter steps are to return "Portable Document Format".
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static String description_string = "Portable Document Format"_string;
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return description_string;
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}
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// https://html.spec.whatwg.org/multipage/system-state.html#dom-plugin-filename
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String Plugin::filename() const
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{
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// The Plugin interface's filename getter steps are to return "internal-pdf-viewer".
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static String filename_string = "internal-pdf-viewer"_string;
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return filename_string;
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}
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// https://html.spec.whatwg.org/multipage/system-state.html#pdf-viewing-support:support-named-properties-3
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Vector<FlyString> Plugin::supported_property_names() const
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{
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// The Plugin interface supports named properties. If the user agent's PDF viewer supported is true, then they are the PDF viewer mime types. Otherwise, they are the empty list.
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auto const& window = as<HTML::Window>(HTML::relevant_global_object(*this));
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if (!window.page().pdf_viewer_supported())
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return {};
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// https://html.spec.whatwg.org/multipage/system-state.html#pdf-viewer-mime-types
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static Vector<FlyString> const mime_types = {
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"application/pdf"_fly_string,
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"text/pdf"_fly_string,
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};
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return mime_types;
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}
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// https://html.spec.whatwg.org/multipage/system-state.html#dom-plugin-length
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size_t Plugin::length() const
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{
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// The Plugin interface's length getter steps are to return this's relevant global object's PDF viewer mime type objects's size.
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auto& window = as<HTML::Window>(HTML::relevant_global_object(*this));
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return window.pdf_viewer_mime_type_objects().size();
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}
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// https://html.spec.whatwg.org/multipage/system-state.html#dom-plugin-item
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GC::Ptr<MimeType> Plugin::item(u32 index) const
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{
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// 1. Let mimeTypes be this's relevant global object's PDF viewer mime type objects.
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auto& window = as<HTML::Window>(HTML::relevant_global_object(*this));
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auto mime_types = window.pdf_viewer_mime_type_objects();
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// 2. If index < mimeTypes's size, then return mimeTypes[index].
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if (index < mime_types.size())
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return mime_types[index];
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// 3. Return null.
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return nullptr;
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}
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GC::Ptr<MimeType> Plugin::named_item(FlyString const& name) const
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{
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// 1. For each MimeType mimeType of this's relevant global object's PDF viewer mime type objects: if mimeType's type is name, then return mimeType.
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auto& window = as<HTML::Window>(HTML::relevant_global_object(*this));
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auto mime_types = window.pdf_viewer_mime_type_objects();
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for (auto& mime_type : mime_types) {
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if (mime_type->type() == name)
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return mime_type;
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}
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// 2. Return null.
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return nullptr;
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}
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Optional<JS::Value> Plugin::item_value(size_t index) const
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{
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auto return_value = item(index);
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if (!return_value)
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return {};
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return return_value.ptr();
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}
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JS::Value Plugin::named_item_value(FlyString const& name) const
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{
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auto return_value = named_item(name);
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if (!return_value)
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return JS::js_null();
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return return_value.ptr();
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}
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}
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