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76 lines
2 KiB
C++
76 lines
2 KiB
C++
/*
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* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
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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/Error.h>
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#include <AK/OwnPtr.h>
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#include <LibGfx/Size.h>
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#include <LibJS/Heap/Handle.h>
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#include <LibJS/Heap/HeapFunction.h>
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#include <LibJS/SafeFunction.h>
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#include <LibURL/URL.h>
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#include <LibWeb/Forward.h>
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namespace Web::HTML {
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class SharedImageRequest final : public JS::Cell {
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JS_CELL(SharedImageRequest, JS::Cell);
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JS_DECLARE_ALLOCATOR(SharedImageRequest);
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public:
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[[nodiscard]] static JS::NonnullGCPtr<SharedImageRequest> get_or_create(JS::Realm&, JS::NonnullGCPtr<Page>, URL::URL const&);
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virtual ~SharedImageRequest() override;
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URL::URL const& url() const { return m_url; }
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[[nodiscard]] JS::GCPtr<DecodedImageData> image_data() const;
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[[nodiscard]] JS::GCPtr<Fetch::Infrastructure::FetchController> fetch_controller();
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void set_fetch_controller(JS::GCPtr<Fetch::Infrastructure::FetchController>);
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void fetch_image(JS::Realm&, JS::NonnullGCPtr<Fetch::Infrastructure::Request>);
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void add_callbacks(Function<void()> on_finish, Function<void()> on_fail);
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bool is_fetching() const;
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bool needs_fetching() const;
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private:
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explicit SharedImageRequest(JS::NonnullGCPtr<Page>, URL::URL, JS::NonnullGCPtr<DOM::Document>);
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virtual void finalize() override;
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virtual void visit_edges(JS::Cell::Visitor&) override;
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void handle_successful_fetch(URL::URL const&, StringView mime_type, ByteBuffer data);
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void handle_failed_fetch();
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enum class State {
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New,
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Fetching,
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Finished,
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Failed,
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};
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State m_state { State::New };
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JS::NonnullGCPtr<Page> m_page;
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struct Callbacks {
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JS::GCPtr<JS::HeapFunction<void()>> on_finish;
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JS::GCPtr<JS::HeapFunction<void()>> on_fail;
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};
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Vector<Callbacks> m_callbacks;
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URL::URL m_url;
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JS::GCPtr<DecodedImageData> m_image_data;
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JS::GCPtr<Fetch::Infrastructure::FetchController> m_fetch_controller;
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JS::GCPtr<DOM::Document> m_document;
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};
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}
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