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.
117 lines
3.8 KiB
C++
117 lines
3.8 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/PluginArrayPrototype.h>
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#include <LibWeb/HTML/PluginArray.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(PluginArray);
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PluginArray::PluginArray(JS::Realm& realm)
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: Bindings::PlatformObject(realm)
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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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PluginArray::~PluginArray() = default;
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void PluginArray::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(PluginArray);
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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-pluginarray-refresh
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void PluginArray::refresh() const
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{
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// The PluginArray interface's refresh() method steps are to do nothing.
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}
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// https://html.spec.whatwg.org/multipage/system-state.html#pdf-viewing-support:support-named-properties
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Vector<FlyString> PluginArray::supported_property_names() const
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{
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// The PluginArray interface supports named properties. If the user agent's PDF viewer supported is true, then they are the PDF viewer plugin names. 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-plugin-names
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static Vector<FlyString> const plugin_names = {
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"PDF Viewer"_fly_string,
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"Chrome PDF Viewer"_fly_string,
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"Chromium PDF Viewer"_fly_string,
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"Microsoft Edge PDF Viewer"_fly_string,
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"WebKit built-in PDF"_fly_string,
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};
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return plugin_names;
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}
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// https://html.spec.whatwg.org/multipage/system-state.html#dom-pluginarray-length
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size_t PluginArray::length() const
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{
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// The PluginArray interface's length getter steps are to return this's relevant global object's PDF viewer plugin 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_plugin_objects().size();
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}
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// https://html.spec.whatwg.org/multipage/system-state.html#dom-pluginarray-item
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GC::Ptr<Plugin> PluginArray::item(u32 index) const
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{
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// 1. Let plugins be this's relevant global object's PDF viewer plugin objects.
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auto& window = as<HTML::Window>(HTML::relevant_global_object(*this));
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auto plugins = window.pdf_viewer_plugin_objects();
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// 2. If index < plugins's size, then return plugins[index].
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if (index < plugins.size())
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return plugins[index];
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// 3. Return null.
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return nullptr;
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}
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// https://html.spec.whatwg.org/multipage/system-state.html#dom-pluginarray-nameditem
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GC::Ptr<Plugin> PluginArray::named_item(FlyString const& name) const
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{
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// 1. For each Plugin plugin of this's relevant global object's PDF viewer plugin objects: if plugin's name is name, then return plugin.
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auto& window = as<HTML::Window>(HTML::relevant_global_object(*this));
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auto plugins = window.pdf_viewer_plugin_objects();
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for (auto& plugin : plugins) {
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if (plugin->name() == name)
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return plugin;
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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> PluginArray::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 PluginArray::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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