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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "History.h"
namespace Browser {
void History::dump() const
{
dbgln("Dump {} items(s)", m_items.size());
int i = 0;
for (auto& item : m_items) {
dbgln("[{}] {} '{}' {}", i, item.url, item.title, m_current == i ? '*' : ' ');
++i;
}
}
void History::push(const URL& url, String const& title)
{
if (!m_items.is_empty() && m_items[m_current].url == url)
return;
m_items.shrink(m_current + 1);
m_items.append(URLTitlePair {
.url = url,
.title = title,
});
m_current++;
}
History::URLTitlePair History::current() const
{
if (m_current == -1)
return {};
return m_items[m_current];
}
void History::go_back(int steps)
{
VERIFY(can_go_back(steps));
m_current -= steps;
}
void History::go_forward(int steps)
{
VERIFY(can_go_forward(steps));
m_current += steps;
}
void History::clear()
{
m_items = {};
m_current = -1;
}
void History::update_title(String const& title)
{
m_items[m_current].title = title;
}
Vector<StringView> const History::get_back_title_history()
{
Vector<StringView> back_title_history;
for (int i = m_current - 1; i >= 0; i--) {
back_title_history.append(m_items[i].title);
}
return back_title_history;
}
Vector<StringView> const History::get_forward_title_history()
{
Vector<StringView> forward_title_history;
for (int i = m_current + 1; i < static_cast<int>(m_items.size()); i++) {
forward_title_history.append(m_items[i].title);
}
return forward_title_history;
}
}
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