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ladybird/Libraries/LibWeb/NavigationTiming/PerformanceTiming.cpp

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LibWeb: Stub out the PerformanceTiming object from Navigation Timing Just have all the timing functions return 0 for now. We can now run the Shynet JS on https://linus.dev/ although the XHR is rejected by our same-origin policy.
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/*
Meta: Update my e-mail address everywhere
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* Copyright (c) 2021, Andreas Kling <andreas@ladybird.org>
LibWeb: Stub out the PerformanceTiming object from Navigation Timing Just have all the timing functions return 0 for now. We can now run the Shynet JS on https://linus.dev/ although the XHR is rejected by our same-origin policy.
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*
Everything: Move to SPDX license identifiers in all files. SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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* SPDX-License-Identifier: BSD-2-Clause
LibWeb: Stub out the PerformanceTiming object from Navigation Timing Just have all the timing functions return 0 for now. We can now run the Shynet JS on https://linus.dev/ although the XHR is rejected by our same-origin policy.
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*/
LibWeb: Remove Bindings/Forward.h from LibWeb/Forward.h This was resulting in a whole lot of rebuilding whenever a new IDL interface was added. Instead, just directly include the prototype in every C++ file which needs it. While we only really need a forward declaration in each cpp file; including the full prototype header (which itself only includes LibJS/Object.h, which is already transitively brought in by PlatformObject) - it seems like a small price to pay compared to what feels like a full rebuild of LibWeb whenever a new IDL file is added. Given all of these includes are only needed for the ::initialize method, there is probably a smart way of avoiding this problem altogether. I've considered both using some macro trickery or generating these functions somehow instead.
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#include <LibWeb/Bindings/PerformanceTimingPrototype.h>
LibWeb: Stub out the PerformanceTiming object from Navigation Timing Just have all the timing functions return 0 for now. We can now run the Shynet JS on https://linus.dev/ although the XHR is rejected by our same-origin policy.
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#include <LibWeb/NavigationTiming/PerformanceTiming.h>
namespace Web::NavigationTiming {
LibGC+Everywhere: Factor out a LibGC from LibJS Resulting in a massive rename across almost everywhere! Alongside the namespace change, we now have the following names: * JS::NonnullGCPtr -> GC::Ref * JS::GCPtr -> GC::Ptr * JS::HeapFunction -> GC::Function * JS::CellImpl -> GC::Cell * JS::Handle -> GC::Root
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GC_DEFINE_ALLOCATOR(PerformanceTiming);
LibWeb: Put most LibWeb GC objects in type-specific heap blocks With this change, we now have ~1200 CellAllocators across both LibJS and LibWeb in a normal WebContent instance. This gives us a minimum heap size of 4.7 MiB in the scenario where we only have one cell allocated per type. Of course, in practice there will be many more of each type, so the effective overhead is quite a bit smaller than that in practice. I left a few types unconverted to this mechanism because I got tired of doing this. :^)
2023-11-19 19:47:52 +01:00
LibWeb: Don't store WindowOrWorkerGlobalScopeMixin in Performance It wasn't used anyways, instead preferring to do dynamic_casts in every method. Let's keep doing that, but move it into a helper function.
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PerformanceTiming::PerformanceTiming(JS::Realm& realm)
: PlatformObject(realm)
LibWeb: Stub out the PerformanceTiming object from Navigation Timing Just have all the timing functions return 0 for now. We can now run the Shynet JS on https://linus.dev/ although the XHR is rejected by our same-origin policy.
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{
}
Libraries: Use default constructors/destructors in LibWeb https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
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PerformanceTiming::~PerformanceTiming() = default;
LibWeb: Stub out the PerformanceTiming object from Navigation Timing Just have all the timing functions return 0 for now. We can now run the Shynet JS on https://linus.dev/ although the XHR is rejected by our same-origin policy.
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LibJS: Make Cell::initialize() return void Stop worrying about tiny OOMs. Work towards #20405
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void PerformanceTiming::initialize(JS::Realm& realm)
LibWeb: Move setting of Web object prototypes to initialize() This needs to happen before prototype/constructor intitialization can be made lazy. Otherwise, GC could run during the C++ constructor and try to collect the object currently being created.
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{
LibJS: Make Cell::initialize() return void Stop worrying about tiny OOMs. Work towards #20405
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Base::initialize(realm);
LibWeb: Avoid FlyString lookups when setting IDL interface prototypes This commit introduces a WEB_SET_PROTOTYPE_FOR_INTERFACE macro that caches the interface name in a local static FlyString. This means that we only pay for FlyString-from-literal lookup once per browser lifetime instead of every time the interface is instantiated.
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WEB_SET_PROTOTYPE_FOR_INTERFACE(PerformanceTiming);
LibWeb: Move setting of Web object prototypes to initialize() This needs to happen before prototype/constructor intitialization can be made lazy. Otherwise, GC could run during the C++ constructor and try to collect the object currently being created.
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}
LibWeb: Use DocumentLoadTimingInfo values in PerformanceTiming interface
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DOM::DocumentLoadTimingInfo const& PerformanceTiming::document_load_timing_info() const
{
auto& global_object = HTML::relevant_global_object(*this);
VERIFY(is<HTML::Window>(global_object));
auto& window = static_cast<HTML::Window&>(global_object);
auto document = window.document();
return document->load_timing_info();
}
LibWeb: Stub out the PerformanceTiming object from Navigation Timing Just have all the timing functions return 0 for now. We can now run the Shynet JS on https://linus.dev/ although the XHR is rejected by our same-origin policy.
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}
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