mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 16:52:43 +00:00
210 lines
7.6 KiB
C++
210 lines
7.6 KiB
C++
/*
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* Copyright (c) 2018-2022, 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/Function.h>
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#include <AK/Noncopyable.h>
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#include <AK/RefPtr.h>
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#include <AK/WeakPtr.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/Rect.h>
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#include <LibGfx/Size.h>
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#include <LibJS/Forward.h>
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#include <LibJS/Heap/Cell.h>
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#include <LibWeb/DOM/Position.h>
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#include <LibWeb/HTML/ActivateTab.h>
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#include <LibWeb/HTML/HistoryHandlingBehavior.h>
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#include <LibWeb/HTML/NavigableContainer.h>
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#include <LibWeb/HTML/Origin.h>
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#include <LibWeb/HTML/SandboxingFlagSet.h>
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#include <LibWeb/HTML/SessionHistoryEntry.h>
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#include <LibWeb/HTML/TokenizedFeatures.h>
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#include <LibWeb/HTML/VisibilityState.h>
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#include <LibWeb/Page/EventHandler.h>
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#include <LibWeb/Platform/Timer.h>
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#include <LibWeb/TreeNode.h>
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namespace Web::HTML {
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class BrowsingContext final : public JS::Cell
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, public Weakable<BrowsingContext> {
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JS_CELL(BrowsingContext, JS::Cell);
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JS_DECLARE_ALLOCATOR(BrowsingContext);
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public:
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struct BrowsingContextAndDocument {
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JS::NonnullGCPtr<BrowsingContext> browsing_context;
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JS::NonnullGCPtr<DOM::Document> document;
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};
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static WebIDL::ExceptionOr<BrowsingContextAndDocument> create_a_new_browsing_context_and_document(JS::NonnullGCPtr<Page> page, JS::GCPtr<DOM::Document> creator, JS::GCPtr<DOM::Element> embedder, JS::NonnullGCPtr<BrowsingContextGroup> group);
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static WebIDL::ExceptionOr<BrowsingContextAndDocument> create_a_new_auxiliary_browsing_context_and_document(JS::NonnullGCPtr<Page> page, JS::NonnullGCPtr<HTML::BrowsingContext> opener);
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virtual ~BrowsingContext() override;
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JS::NonnullGCPtr<HTML::TraversableNavigable> top_level_traversable() const;
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JS::GCPtr<BrowsingContext> parent() const { return m_parent; }
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JS::GCPtr<BrowsingContext> first_child() const;
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JS::GCPtr<BrowsingContext> next_sibling() const;
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bool is_ancestor_of(BrowsingContext const&) const;
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bool is_familiar_with(BrowsingContext const&) const;
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template<typename Callback>
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IterationDecision for_each_in_inclusive_subtree(Callback callback) const
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{
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if (callback(*this) == IterationDecision::Break)
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return IterationDecision::Break;
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for (auto child = first_child(); child; child = child->next_sibling()) {
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if (child->for_each_in_inclusive_subtree(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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}
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return IterationDecision::Continue;
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}
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template<typename Callback>
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IterationDecision for_each_in_inclusive_subtree(Callback callback)
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{
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if (callback(*this) == IterationDecision::Break)
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return IterationDecision::Break;
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for (auto child = first_child(); child; child = child->next_sibling()) {
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if (child->for_each_in_inclusive_subtree(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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}
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return IterationDecision::Continue;
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}
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template<typename Callback>
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IterationDecision for_each_in_subtree(Callback callback) const
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{
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for (auto child = first_child(); child; child = child->next_sibling()) {
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if (child->for_each_in_inclusive_subtree(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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}
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return IterationDecision::Continue;
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}
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template<typename Callback>
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IterationDecision for_each_in_subtree(Callback callback)
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{
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for (auto child = first_child(); child; child = child->next_sibling()) {
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if (child->for_each_in_inclusive_subtree(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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}
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return IterationDecision::Continue;
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}
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bool is_top_level() const;
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bool is_focused_context() const;
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DOM::Document const* active_document() const;
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DOM::Document* active_document();
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HTML::WindowProxy* window_proxy();
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HTML::WindowProxy const* window_proxy() const;
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void set_window_proxy(JS::GCPtr<WindowProxy>);
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HTML::Window* active_window();
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HTML::Window const* active_window() const;
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Page& page() { return m_page; }
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Page const& page() const { return m_page; }
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Web::EventHandler& event_handler() { return m_event_handler; }
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Web::EventHandler const& event_handler() const { return m_event_handler; }
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JS::GCPtr<BrowsingContext> top_level_browsing_context() const;
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JS::GCPtr<DOM::Position> cursor_position() const { return m_cursor_position; }
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void set_cursor_position(JS::NonnullGCPtr<DOM::Position>);
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bool increment_cursor_position_offset();
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bool decrement_cursor_position_offset();
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bool cursor_blink_state() const { return m_cursor_blink_state; }
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String selected_text() const;
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void select_all();
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void did_edit(Badge<EditEventHandler>);
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JS::GCPtr<DOM::Node> currently_focused_area();
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BrowsingContextGroup* group();
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void set_group(BrowsingContextGroup*);
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// https://html.spec.whatwg.org/multipage/browsers.html#bcg-remove
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void remove();
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// https://html.spec.whatwg.org/multipage/origin.html#one-permitted-sandboxed-navigator
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BrowsingContext const* the_one_permitted_sandboxed_navigator() const;
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bool has_navigable_been_destroyed() const;
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JS::GCPtr<BrowsingContext> opener_browsing_context() const { return m_opener_browsing_context; }
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void set_opener_browsing_context(JS::GCPtr<BrowsingContext> browsing_context) { m_opener_browsing_context = browsing_context; }
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void set_is_popup(TokenizedFeature::Popup is_popup) { m_is_popup = is_popup; }
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private:
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explicit BrowsingContext(JS::NonnullGCPtr<Page>);
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virtual void visit_edges(Cell::Visitor&) override;
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void reset_cursor_blink_cycle();
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JS::NonnullGCPtr<Page> m_page;
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// FIXME: Move EventHandler to Navigable
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Web::EventHandler m_event_handler;
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// https://html.spec.whatwg.org/multipage/document-sequences.html#browsing-context
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JS::GCPtr<HTML::WindowProxy> m_window_proxy;
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// https://html.spec.whatwg.org/multipage/browsers.html#opener-browsing-context
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JS::GCPtr<BrowsingContext> m_opener_browsing_context;
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// https://html.spec.whatwg.org/multipage/document-sequences.html#opener-origin-at-creation
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Optional<HTML::Origin> m_opener_origin_at_creation;
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// https://html.spec.whatwg.org/multipage/browsers.html#is-popup
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TokenizedFeature::Popup m_is_popup { TokenizedFeature::Popup::No };
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// https://html.spec.whatwg.org/multipage/document-sequences.html#is-auxiliary
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bool m_is_auxiliary { false };
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// https://html.spec.whatwg.org/multipage/document-sequences.html#browsing-context-initial-url
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Optional<URL> m_initial_url;
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// https://html.spec.whatwg.org/multipage/document-sequences.html#virtual-browsing-context-group-id
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u64 m_virtual_browsing_context_group_id = { 0 };
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// FIXME: Move cursor tracking to Navigable
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JS::GCPtr<DOM::Position> m_cursor_position;
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RefPtr<Core::Timer> m_cursor_blink_timer;
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bool m_cursor_blink_state { false };
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// https://html.spec.whatwg.org/multipage/browsers.html#tlbc-group
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JS::GCPtr<BrowsingContextGroup> m_group;
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JS::GCPtr<BrowsingContext> m_parent;
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JS::GCPtr<BrowsingContext> m_first_child;
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JS::GCPtr<BrowsingContext> m_last_child;
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JS::GCPtr<BrowsingContext> m_next_sibling;
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JS::GCPtr<BrowsingContext> m_previous_sibling;
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};
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HTML::Origin determine_the_origin(URL const& url, SandboxingFlagSet sandbox_flags, Optional<HTML::Origin> source_origin);
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SandboxingFlagSet determine_the_creation_sandboxing_flags(BrowsingContext const&, JS::GCPtr<DOM::Element> embedder);
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// FIXME: Find a better home for these
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bool url_matches_about_blank(URL const& url);
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bool url_matches_about_srcdoc(URL const& url);
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}
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