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c37820b898
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
138 lines
4.5 KiB
C++
138 lines
4.5 KiB
C++
/*
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* Copyright (c) 2018-2021, 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 <LibCore/Timer.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 <LibWeb/DOM/Position.h>
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#include <LibWeb/HTML/BrowsingContextContainer.h>
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#include <LibWeb/Loader/FrameLoader.h>
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#include <LibWeb/Page/EventHandler.h>
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#include <LibWeb/TreeNode.h>
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namespace Web::HTML {
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class BrowsingContext : public TreeNode<BrowsingContext> {
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public:
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static NonnullRefPtr<BrowsingContext> create_nested(Page& page, HTML::BrowsingContextContainer& container) { return adopt_ref(*new BrowsingContext(page, &container)); }
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static NonnullRefPtr<BrowsingContext> create(Page& page) { return adopt_ref(*new BrowsingContext(page, nullptr)); }
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~BrowsingContext();
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class ViewportClient {
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public:
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virtual ~ViewportClient() = default;
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virtual void browsing_context_did_set_viewport_rect(Gfx::IntRect const&) = 0;
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};
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void register_viewport_client(ViewportClient&);
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void unregister_viewport_client(ViewportClient&);
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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 { return m_active_document; }
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DOM::Document* active_document() { return m_active_document; }
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void set_active_document(DOM::Document*);
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Page* page() { return m_page; }
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Page const* page() const { return m_page; }
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Gfx::IntSize const& size() const { return m_size; }
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void set_size(Gfx::IntSize const&);
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void set_needs_display();
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void set_needs_display(Gfx::IntRect const&);
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Gfx::IntPoint const& viewport_scroll_offset() const { return m_viewport_scroll_offset; }
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void set_viewport_scroll_offset(Gfx::IntPoint const&);
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Gfx::IntRect viewport_rect() const { return { m_viewport_scroll_offset, m_size }; }
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void set_viewport_rect(Gfx::IntRect const&);
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FrameLoader& loader() { return m_loader; }
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FrameLoader const& loader() const { return m_loader; }
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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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void scroll_to_anchor(String const&);
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BrowsingContext& top_level_browsing_context()
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{
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BrowsingContext* context = this;
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while (context->parent())
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context = context->parent();
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return *context;
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}
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BrowsingContext const& top_level_browsing_context() const { return const_cast<BrowsingContext*>(this)->top_level_browsing_context(); }
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HTML::BrowsingContextContainer* container() { return m_container; }
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HTML::BrowsingContextContainer const* container() const { return m_container; }
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Gfx::IntPoint to_top_level_position(Gfx::IntPoint const&);
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Gfx::IntRect to_top_level_rect(Gfx::IntRect const&);
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DOM::Position const& cursor_position() const { return m_cursor_position; }
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void set_cursor_position(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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void register_frame_nesting(AK::URL const&);
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bool is_frame_nesting_allowed(AK::URL const&) const;
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void set_frame_nesting_levels(HashMap<AK::URL, size_t> frame_nesting_levels) { m_frame_nesting_levels = move(frame_nesting_levels); };
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HashMap<AK::URL, size_t> const& frame_nesting_levels() const { return m_frame_nesting_levels; }
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DOM::Document* container_document();
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DOM::Document const* container_document() const;
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bool has_a_rendering_opportunity() const;
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RefPtr<DOM::Node> currently_focused_area();
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String const& name() const { return m_name; }
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void set_name(String const& name) { m_name = name; }
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private:
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explicit BrowsingContext(Page&, HTML::BrowsingContextContainer*);
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void reset_cursor_blink_cycle();
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WeakPtr<Page> m_page;
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FrameLoader m_loader;
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Web::EventHandler m_event_handler;
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WeakPtr<HTML::BrowsingContextContainer> m_container;
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RefPtr<DOM::Document> m_active_document;
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Gfx::IntSize m_size;
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Gfx::IntPoint m_viewport_scroll_offset;
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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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HashTable<ViewportClient*> m_viewport_clients;
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HashMap<AK::URL, size_t> m_frame_nesting_levels;
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String m_name;
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};
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}
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