ladybird/Userland/Libraries/LibWeb/DOM/Range.h
Andreas Kling 9194a97cbe LibWeb: Add Document.createRange()
Also tidy up DOM::Range a little bit while we're here, and unify the
way we create them to use a delegating constructors.
2021-02-21 23:48:01 +01:00

90 lines
3.2 KiB
C++

/*
* Copyright (c) 2020, the SerenityOS developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
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*
* 2. Redistributions in binary form must reproduce the above copyright notice,
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* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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#pragma once
#include <AK/RefCounted.h>
#include <LibWeb/Bindings/WindowObject.h>
#include <LibWeb/Bindings/Wrappable.h>
#include <LibWeb/DOM/Node.h>
namespace Web::DOM {
class Range final
: public RefCounted<Range>
, public Bindings::Wrappable {
public:
using WrapperType = Bindings::RangeWrapper;
static NonnullRefPtr<Range> create(Document&);
static NonnullRefPtr<Range> create(Window&);
static NonnullRefPtr<Range> create(Node& start_container, size_t start_offset, Node& end_container, size_t end_offset);
static NonnullRefPtr<Range> create_with_global_object(Bindings::WindowObject&);
// FIXME: There are a ton of methods missing here.
Node* start_container() { return m_start_container; }
const Node* start_container() const { return m_start_container; }
unsigned start_offset() const { return m_start_offset; }
Node* end_container() { return m_end_container; }
const Node* end_container() const { return m_end_container; }
unsigned end_offset() const { return m_end_offset; }
bool collapsed() const
{
return start_container() == end_container() && start_offset() == end_offset();
}
void set_start(Node& container, unsigned offset)
{
m_start_container = container;
m_start_offset = offset;
}
void set_end(Node& container, unsigned offset)
{
m_end_container = container;
m_end_offset = offset;
}
NonnullRefPtr<Range> inverted() const;
NonnullRefPtr<Range> normalized() const;
NonnullRefPtr<Range> clone_range() const;
private:
explicit Range(Document&);
Range(Node& start_container, size_t start_offset, Node& end_container, size_t end_offset);
NonnullRefPtr<Node> m_start_container;
unsigned m_start_offset;
NonnullRefPtr<Node> m_end_container;
unsigned m_end_offset;
};
}