mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-04-25 14:05:15 +00:00
41941aeb10
It's not safe to access m_document here since GC may have deleted it by the time we're being deleted. Instead, move this to a finalize() override, since those are guaranteed to be called while both objects are still alive.
76 lines
2 KiB
C++
76 lines
2 KiB
C++
/*
|
|
* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Error.h>
|
|
#include <AK/OwnPtr.h>
|
|
#include <AK/URL.h>
|
|
#include <LibGfx/Size.h>
|
|
#include <LibJS/Heap/Handle.h>
|
|
#include <LibJS/Heap/HeapFunction.h>
|
|
#include <LibJS/SafeFunction.h>
|
|
#include <LibWeb/Forward.h>
|
|
|
|
namespace Web::HTML {
|
|
|
|
class SharedImageRequest final : public JS::Cell {
|
|
JS_CELL(ImageRequest, JS::Cell);
|
|
JS_DECLARE_ALLOCATOR(SharedImageRequest);
|
|
|
|
public:
|
|
[[nodiscard]] static JS::NonnullGCPtr<SharedImageRequest> get_or_create(JS::Realm&, JS::NonnullGCPtr<Page>, AK::URL const&);
|
|
|
|
virtual ~SharedImageRequest() override;
|
|
|
|
AK::URL const& url() const { return m_url; }
|
|
|
|
[[nodiscard]] JS::GCPtr<DecodedImageData> image_data() const;
|
|
|
|
[[nodiscard]] JS::GCPtr<Fetch::Infrastructure::FetchController> fetch_controller();
|
|
void set_fetch_controller(JS::GCPtr<Fetch::Infrastructure::FetchController>);
|
|
|
|
void fetch_image(JS::Realm&, JS::NonnullGCPtr<Fetch::Infrastructure::Request>);
|
|
|
|
void add_callbacks(Function<void()> on_finish, Function<void()> on_fail);
|
|
|
|
bool is_fetching() const;
|
|
bool needs_fetching() const;
|
|
|
|
private:
|
|
explicit SharedImageRequest(JS::NonnullGCPtr<Page>, AK::URL, JS::NonnullGCPtr<DOM::Document>);
|
|
|
|
virtual void finalize() override;
|
|
virtual void visit_edges(JS::Cell::Visitor&) override;
|
|
|
|
void handle_successful_fetch(AK::URL const&, StringView mime_type, ByteBuffer data);
|
|
void handle_failed_fetch();
|
|
|
|
enum class State {
|
|
New,
|
|
Fetching,
|
|
Finished,
|
|
Failed,
|
|
};
|
|
|
|
State m_state { State::New };
|
|
|
|
JS::NonnullGCPtr<Page> m_page;
|
|
|
|
struct Callbacks {
|
|
JS::GCPtr<JS::HeapFunction<void()>> on_finish;
|
|
JS::GCPtr<JS::HeapFunction<void()>> on_fail;
|
|
};
|
|
Vector<Callbacks> m_callbacks;
|
|
|
|
AK::URL m_url;
|
|
JS::GCPtr<DecodedImageData> m_image_data;
|
|
JS::GCPtr<Fetch::Infrastructure::FetchController> m_fetch_controller;
|
|
|
|
JS::GCPtr<DOM::Document> m_document;
|
|
};
|
|
|
|
}
|