mirror of
https://github.com/RGBCube/serenity
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d1100dd6bc
We already have a base class for frame elements that we call BrowsingContextContainer. This patch makes BrowsingContext::container() actually return one of those. This makes us match the spec names, and also solves a FIXME about having a shared base for <frame> and <iframe>. (We already had the shared base, but the pointer we had there wasn't tightly typed enough.)
124 lines
4.4 KiB
C++
124 lines
4.4 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 {
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class BrowsingContext : public TreeNode<BrowsingContext> {
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public:
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static NonnullRefPtr<BrowsingContext> create_nested(HTML::BrowsingContextContainer& container, BrowsingContext& top_level_browsing_context) { return adopt_ref(*new BrowsingContext(container, top_level_browsing_context)); }
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static NonnullRefPtr<BrowsingContext> create(Page& page) { return adopt_ref(*new BrowsingContext(page)); }
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~BrowsingContext();
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class ViewportClient {
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public:
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virtual ~ViewportClient() { }
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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 { return this == &top_level_browsing_context(); }
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bool is_focused_context() const;
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DOM::Document const* document() const { return m_document; }
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DOM::Document* document() { return m_document; }
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void set_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(Gfx::IntRect const&);
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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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EventHandler& event_handler() { return m_event_handler; }
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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() { return *m_top_level_browsing_context; }
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BrowsingContext const& top_level_browsing_context() const { return *m_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(URL const&);
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bool is_frame_nesting_allowed(URL const&) const;
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void set_frame_nesting_levels(HashMap<URL, size_t> frame_nesting_levels) { m_frame_nesting_levels = move(frame_nesting_levels); };
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HashMap<URL, size_t> const& frame_nesting_levels() const { return m_frame_nesting_levels; }
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private:
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explicit BrowsingContext(Page&, HTML::BrowsingContextContainer*, BrowsingContext& top_level_browsing_context);
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explicit BrowsingContext(HTML::BrowsingContextContainer&, BrowsingContext& top_level_browsing_context);
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explicit BrowsingContext(Page&);
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void reset_cursor_blink_cycle();
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WeakPtr<Page> m_page;
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// NOTE: We expect there to always be a top-level browsing context as long as we exist.
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// The use of WeakPtr is for safety in case we get something wrong.
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WeakPtr<BrowsingContext> m_top_level_browsing_context;
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FrameLoader m_loader;
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EventHandler m_event_handler;
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WeakPtr<HTML::BrowsingContextContainer> m_container;
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RefPtr<DOM::Document> m_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<URL, size_t> m_frame_nesting_levels;
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};
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}
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