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LibWeb: Add basic skeleton of HTML "session history" to BrowsingContext

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This commit is contained in:
Andreas Kling 2022-08-01 16:34:56 +02:00
parent 29a4266367
commit c4a0b7057b
Notes: sideshowbarker 2024-07-17 10:08:28 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/c4a0b7057b
2 changed files with 61 additions and 1 deletions
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9
Userland/Libraries/LibWeb/HTML/BrowsingContext.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -16,6 +16,7 @@
#include <LibGfx/Size.h>
#include <LibWeb/DOM/Position.h>
#include <LibWeb/HTML/BrowsingContextContainer.h>
#include <LibWeb/HTML/SessionHistoryEntry.h>
#include <LibWeb/Loader/FrameLoader.h>
#include <LibWeb/Page/EventHandler.h>
#include <LibWeb/TreeNode.h>
@ -112,6 +113,9 @@ public:
String const& name() const { return m_name; }
void set_name(String const& name) { m_name = name; }
Vector<SessionHistoryEntry>& session_history() { return m_session_history; }
Vector<SessionHistoryEntry> const& session_history() const { return m_session_history; }
private:
explicit BrowsingContext(Page&, HTML::BrowsingContextContainer*);
@ -122,6 +126,9 @@ private:
FrameLoader m_loader;
Web::EventHandler m_event_handler;
// https://html.spec.whatwg.org/multipage/history.html#session-history
Vector<SessionHistoryEntry> m_session_history;
WeakPtr<HTML::BrowsingContextContainer> m_container;
RefPtr<DOM::Document> m_active_document;
Gfx::IntSize m_size;

53
Userland/Libraries/LibWeb/HTML/SessionHistoryEntry.h Normal file
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@ -0,0 +1,53 @@
/*
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/URL.h>
#include <AK/WeakPtr.h>
#include <LibWeb/Forward.h>
#include <LibWeb/HTML/PolicyContainers.h>
namespace Web::HTML {
// https://html.spec.whatwg.org/multipage/history.html#scroll-restoration-mode
enum class ScrollRestorationMode {
// https://html.spec.whatwg.org/multipage/history.html#dom-scrollrestoration-auto
// The user agent is responsible for restoring the scroll position upon navigation.
Auto,
// https://html.spec.whatwg.org/multipage/history.html#dom-scrollrestoration-manual
// The page is responsible for restoring the scroll position and the user agent does not attempt to do so automatically.
Manual,
};
// https://html.spec.whatwg.org/multipage/history.html#session-history-entry
struct SessionHistoryEntry {
// URL, a URL
AK::URL url;
// document, a Document or null
WeakPtr<DOM::Document> document;
// serialized state, which is serialized state or null, initially null
Optional<String> serialized_state;
// policy container, a policy container or null
Optional<PolicyContainer> policy_container;
// scroll restoration mode, a scroll restoration mode, initially "auto"
ScrollRestorationMode scroll_restoration_mode { ScrollRestorationMode::Auto };
// FIXME: scroll position data, which is scroll position data for the document's restorable scrollable regions
// browsing context name, a browsing context name or null, initially null
Optional<String> browsing_context_name;
// FIXME: persisted user state, which is implementation-defined, initially null
// NOTE: This is where we could remember the state of form controls, for example.
};
}