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LibWeb: Make DOM::Range more suitable for JS.

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asynts 2020-12-06 19:51:55 +01:00 • committed by Andreas Kling
parent 4df0eeaa3d
commit 10f9c85090
11 changed files with 186 additions and 69 deletions
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Libraries/LibWeb/DOM/Range.h Normal file
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/*
* 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
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* 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
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/RefCounted.h>
#include <LibWeb/Bindings/Wrappable.h>
namespace Web::DOM {
class Range final
: public RefCounted<Range>
, public Bindings::Wrappable {
public:
// using WrapperType = Bindings::RangeWrapper;
static NonnullRefPtr<Range> create(Document& document)
{
return adopt(*new Range(document));
}
static NonnullRefPtr<Range> create(Node& start_container, size_t start_offset, Node& end_container, size_t end_offset)
{
return adopt(*new Range(start_container, start_offset, end_container, end_offset));
}
Node* start_container() { return m_start_container; }
unsigned start_offset() { return m_start_offset; }
Node* end_container() { return m_end_container; }
unsigned end_offset() { return m_end_offset; }
bool collapsed()
{
return start_container() == end_container() && start_offset() == end_offset();
}
void set_start(Node& container, JS::Value& offset)
{
m_start_container = container;
m_start_offset = (unsigned)offset.as_i32();
}
void set_end(Node& container, JS::Value& offset)
{
m_end_container = container;
m_end_offset = (unsigned)offset.as_i32();
}
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;
};
}