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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.
*/
#include <AK/StringBuilder.h>
#include <LibWeb/DOM/Position.h>
#include <LibWeb/DOM/Text.h>
#include <LibWeb/Layout/LayoutPosition.h>
#include <LibWeb/Page/Frame.h>
#include "EditEventHandler.h"
namespace Web {
void EditEventHandler::handle_delete(DOM::Position position)
{
if (position.offset() == 0)
TODO();
if (is<DOM::Text>(*position.node())) {
auto& node = downcast<DOM::Text>(*position.node());
StringBuilder builder;
builder.append(node.data().substring_view(0, position.offset() - 1));
builder.append(node.data().substring_view(position.offset()));
node.set_data(builder.to_string());
m_frame.cursor_position().set_offset(m_frame.cursor_position().offset() - 1);
node.invalidate_style();
}
}
void EditEventHandler::handle_insert(DOM::Position position, u32 code_point)
{
// FIXME: Unicode fiasco.
if (is<DOM::Text>(*position.node())) {
auto& node = downcast<DOM::Text>(*position.node());
StringBuilder builder;
builder.append(node.data().substring_view(0, position.offset()));
builder.append_code_point(code_point);
builder.append(node.data().substring_view(position.offset()));
node.set_data(builder.to_string());
m_frame.cursor_position().set_offset(m_frame.cursor_position().offset() + 1);
node.invalidate_style();
}
}
}
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