mirror of
https://github.com/LadybirdBrowser/ladybird.git
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c6fab541b7
We had skipped some steps in the spec and were: * Always broadcasting an old value of null, instead of what it actually was previously. * Still broadcasting a storage event even if the value had not changed in storage compared to the last value. Fix both issues by returning what the old value is in the setter and implementing the missing logic.
136 lines
4.4 KiB
C++
136 lines
4.4 KiB
C++
/*
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* Copyright (c) 2024-2025, Shannon Booth <shannon@serenityos.org>
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* Copyright (c) 2025, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/HashMap.h>
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#include <AK/String.h>
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#include <LibGC/Ptr.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/Page/Page.h>
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#include <LibWeb/StorageAPI/StorageEndpoint.h>
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#include <LibWeb/StorageAPI/StorageKey.h>
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#include <LibWeb/StorageAPI/StorageType.h>
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#include <LibWebView/StorageSetResult.h>
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namespace Web::StorageAPI {
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// https://storage.spec.whatwg.org/#storage-bottle
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class StorageBottle : public GC::Cell {
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GC_CELL(StorageBottle, GC::Cell);
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public:
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static GC::Ref<StorageBottle> create(GC::Heap& heap, GC::Ref<Page> page, StorageType type, StorageKey key, Optional<u64> quota);
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virtual ~StorageBottle() = default;
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// A storage bottle also has a proxy map reference set, which is initially an empty set
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GC::Ref<StorageBottle> proxy() { return *this; }
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virtual size_t size() const = 0;
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virtual Vector<String> keys() const = 0;
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virtual Optional<String> get(String const&) const = 0;
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virtual WebView::StorageSetResult set(String const& key, String const& value) = 0;
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virtual void clear() = 0;
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virtual void remove(String const&) = 0;
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Optional<u64> quota() const { return m_quota; }
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protected:
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explicit StorageBottle(Optional<u64> quota)
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: m_quota(quota)
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{
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}
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Optional<u64> m_quota;
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};
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class LocalStorageBottle final : public StorageBottle {
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GC_CELL(LocalStorageBottle, StorageBottle);
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GC_DECLARE_ALLOCATOR(LocalStorageBottle);
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public:
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static GC::Ref<LocalStorageBottle> create(GC::Heap& heap, GC::Ref<Page> page, StorageKey key, Optional<u64> quota)
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{
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return heap.allocate<LocalStorageBottle>(page, key, quota);
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}
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virtual size_t size() const override;
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virtual Vector<String> keys() const override;
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virtual Optional<String> get(String const&) const override;
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virtual WebView::StorageSetResult set(String const& key, String const& value) override;
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virtual void clear() override;
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virtual void remove(String const&) override;
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virtual void visit_edges(GC::Cell::Visitor& visitor) override;
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private:
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explicit LocalStorageBottle(GC::Ref<Page> page, StorageKey key, Optional<u64> quota)
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: StorageBottle(quota)
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, m_page(move(page))
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, m_storage_key(move(key))
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{
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}
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GC::Ref<Page> m_page;
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StorageKey m_storage_key;
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};
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class SessionStorageBottle final : public StorageBottle {
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GC_CELL(SessionStorageBottle, StorageBottle);
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GC_DECLARE_ALLOCATOR(SessionStorageBottle);
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public:
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static GC::Ref<SessionStorageBottle> create(GC::Heap& heap, Optional<u64> quota)
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{
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return heap.allocate<SessionStorageBottle>(quota);
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}
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virtual size_t size() const override;
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virtual Vector<String> keys() const override;
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virtual Optional<String> get(String const&) const override;
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virtual WebView::StorageSetResult set(String const& key, String const& value) override;
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virtual void clear() override;
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virtual void remove(String const&) override;
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private:
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explicit SessionStorageBottle(Optional<u64> quota)
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: StorageBottle(quota)
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{
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}
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// A storage bottle has a map, which is initially an empty map
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OrderedHashMap<String, String> m_map;
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};
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using BottleMap = Array<GC::Ptr<StorageBottle>, to_underlying(StorageEndpointType::Count)>;
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// https://storage.spec.whatwg.org/#storage-bucket
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// A storage bucket is a place for storage endpoints to store data.
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class StorageBucket : public GC::Cell {
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GC_CELL(StorageBucket, GC::Cell);
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GC_DECLARE_ALLOCATOR(StorageBucket);
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public:
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static GC::Ref<StorageBucket> create(GC::Heap& heap, GC::Ref<Page> page, StorageKey key, StorageType type) { return heap.allocate<StorageBucket>(page, key, type); }
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BottleMap& bottle_map() { return m_bottle_map; }
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BottleMap const& bottle_map() const { return m_bottle_map; }
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virtual void visit_edges(GC::Cell::Visitor& visitor) override;
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private:
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explicit StorageBucket(GC::Ref<Page> page, StorageKey key, StorageType type);
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// A storage bucket has a bottle map of storage identifiers to storage bottles.
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BottleMap m_bottle_map;
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};
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GC::Ptr<StorageBottle> obtain_a_session_storage_bottle_map(HTML::EnvironmentSettingsObject&, StorageEndpointType endpoint_type);
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GC::Ptr<StorageBottle> obtain_a_storage_bottle_map(StorageType, HTML::EnvironmentSettingsObject&, StorageEndpointType endpoint_type);
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}
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