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Copy pathplaylist.cpp
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298 lines (258 loc) · 7.75 KB
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/***************************************************************************
* Copyright (C) 2008-2014 by Andrzej Rybczak *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <algorithm>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <sstream>
#include "display.h"
#include "global.h"
#include "helpers.h"
#include "menu_impl.h"
#include "playlist.h"
#include "screen_switcher.h"
#include "song.h"
#include "status.h"
#include "statusbar.h"
#include "helpers/song_iterator_maker.h"
#include "utility/comparators.h"
#include "utility/functional.h"
#include "title.h"
using Global::MainHeight;
using Global::MainStartY;
namespace ph = std::placeholders;
Playlist *myPlaylist;
namespace {
std::string songToString(const MPD::Song &s);
bool playlistEntryMatcher(const Regex::Regex &rx, const MPD::Song &s);
}
Playlist::Playlist()
: m_total_length(0), m_remaining_time(0), m_scroll_begin(0)
, m_timer(boost::posix_time::from_time_t(0))
, m_reload_total_length(false), m_reload_remaining(false)
{
w = NC::Menu<MPD::Song>(0, MainStartY, COLS, MainHeight, Config.playlist_display_mode == DisplayMode::Columns && Config.titles_visibility ? Display::Columns(COLS) : "", Config.main_color, NC::Border());
w.cyclicScrolling(Config.use_cyclic_scrolling);
w.centeredCursor(Config.centered_cursor);
w.setHighlightColor(Config.main_highlight_color);
w.setSelectedPrefix(Config.selected_item_prefix);
w.setSelectedSuffix(Config.selected_item_suffix);
switch (Config.playlist_display_mode)
{
case DisplayMode::Classic:
w.setItemDisplayer(std::bind(
Display::Songs, ph::_1, std::cref(w), std::cref(Config.song_list_format)
));
break;
case DisplayMode::Columns:
w.setItemDisplayer(std::bind(
Display::SongsInColumns, ph::_1, std::cref(w)
));
break;
}
}
void Playlist::switchTo()
{
SwitchTo::execute(this);
m_scroll_begin = 0;
drawHeader();
}
void Playlist::resize()
{
size_t x_offset, width;
getWindowResizeParams(x_offset, width);
w.resize(width, MainHeight);
w.moveTo(x_offset, MainStartY);
switch (Config.playlist_display_mode)
{
case DisplayMode::Columns:
if (Config.titles_visibility)
{
w.setTitle(Display::Columns(w.getWidth()));
break;
}
case DisplayMode::Classic:
w.setTitle("");
}
hasToBeResized = 0;
}
std::wstring Playlist::title()
{
std::wstring result = L"Playlist ";
if (Config.playlist_show_mpd_host)
{
result += L"on ";
result += ToWString(Mpd.GetHostname());
result += L" ";
}
if (m_reload_total_length || m_reload_remaining)
m_stats = getTotalLength();
result += Scroller(ToWString(m_stats), m_scroll_begin, COLS-result.length()-(Config.design == Design::Alternative ? 2 : Global::VolumeState.length()));
return result;
}
void Playlist::update()
{
if (w.isHighlighted()
&& Config.playlist_disable_highlight_delay.time_duration::seconds() > 0
&& Global::Timer - m_timer > Config.playlist_disable_highlight_delay)
{
w.setHighlighting(false);
w.refresh();
}
}
void Playlist::mouseButtonPressed(MEVENT me)
{
if (!w.empty() && w.hasCoords(me.x, me.y))
{
if (size_t(me.y) < w.size() && (me.bstate & (BUTTON1_PRESSED | BUTTON3_PRESSED)))
{
w.Goto(me.y);
if (me.bstate & BUTTON3_PRESSED)
addItemToPlaylist(true);
}
else
Screen<WindowType>::mouseButtonPressed(me);
}
}
/***********************************************************************/
bool Playlist::allowsSearching()
{
return true;
}
void Playlist::setSearchConstraint(const std::string &constraint)
{
m_search_predicate = Regex::Filter<MPD::Song>(
Regex::make(constraint, Config.regex_type), playlistEntryMatcher
);
}
void Playlist::clearConstraint()
{
m_search_predicate.clear();
}
bool Playlist::find(SearchDirection direction, bool wrap, bool skip_current)
{
return search(w, m_search_predicate, direction, wrap, skip_current);
}
/***********************************************************************/
bool Playlist::itemAvailable()
{
return !w.empty();
}
bool Playlist::addItemToPlaylist(bool play)
{
if (play)
Mpd.PlayID(w.currentV()->getID());
return true;
}
std::vector<MPD::Song> Playlist::getSelectedSongs()
{
return w.getSelectedSongs();
}
/***********************************************************************/
MPD::Song Playlist::nowPlayingSong()
{
MPD::Song s;
if (Status::State::player() != MPD::psUnknown)
{
auto sp = Status::State::currentSongPosition();
if (sp >= 0 && size_t(sp) < w.size())
s = w.at(sp).value();
}
return s;
}
void Playlist::enableHighlighting()
{
w.setHighlighting(true);
m_timer = Global::Timer;
}
std::string Playlist::getTotalLength()
{
std::ostringstream result;
if (m_reload_total_length)
{
m_total_length = 0;
for (const auto &s : w)
m_total_length += s.value().getDuration();
m_reload_total_length = false;
}
if (Config.playlist_show_remaining_time && m_reload_remaining)
{
m_remaining_time = 0;
for (size_t i = Status::State::currentSongPosition(); i < w.size(); ++i)
m_remaining_time += w[i].value().getDuration();
m_reload_remaining = false;
}
result << '(' << w.size() << (w.size() == 1 ? " item" : " items");
if (m_total_length)
{
result << ", length: ";
ShowTime(result, m_total_length, Config.playlist_shorten_total_times);
}
if (Config.playlist_show_remaining_time && m_remaining_time && w.size() > 1)
{
result << " :: remaining: ";
ShowTime(result, m_remaining_time, Config.playlist_shorten_total_times);
}
result << ')';
return result.str();
}
void Playlist::setSelectedItemsPriority(int prio)
{
auto list = getSelectedOrCurrent(w.begin(), w.end(), w.current());
Mpd.StartCommandsList();
for (auto it = list.begin(); it != list.end(); ++it)
Mpd.SetPriority((*it)->value(), prio);
Mpd.CommitCommandsList();
Statusbar::print("Priority set");
}
bool Playlist::checkForSong(const MPD::Song &s)
{
return m_song_refs.find(s) != m_song_refs.end();
}
void Playlist::registerSong(const MPD::Song &s)
{
++m_song_refs[s];
}
void Playlist::unregisterSong(const MPD::Song &s)
{
auto it = m_song_refs.find(s);
assert(it != m_song_refs.end());
if (it->second == 1)
m_song_refs.erase(it);
else
--it->second;
}
namespace {
std::string songToString(const MPD::Song &s)
{
std::string result;
switch (Config.playlist_display_mode)
{
case DisplayMode::Classic:
result = Format::stringify<char>(Config.song_list_format, &s);
break;
case DisplayMode::Columns:
result = Format::stringify<char>(Config.song_columns_mode_format, &s);
}
return result;
}
bool playlistEntryMatcher(const Regex::Regex &rx, const MPD::Song &s)
{
return Regex::search(songToString(s), rx);
}
}