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/*
* Copyright (C) 2015, 2016
* Andrew Hayzen <ahayzen@gmail.com>
* Victor Thompson <victor.thompson@gmail.com>
*
* 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; version 3.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
import QtMultimedia 5.6
import QtQuick 2.4
import Qt.labs.settings 1.0
import QtQuick.LocalStorage 2.0
import "../logic/meta-database.js" as Library
Item {
objectName: "player"
// For autopilot as we can't access the MediaPlayer object pad.lv/1269578
readonly property bool isPlaying: mediaPlayerObject.playbackState === MediaPlayer.PlayingState
readonly property alias count: mediaPlayerPlaylist.itemCount
readonly property alias currentIndex: mediaPlayerPlaylist.currentIndex
readonly property alias currentItemSource: mediaPlayerPlaylist.currentItemSource
readonly property alias position: mediaPlayerObject.position
// FIXME: pad.lv/1269578 use Item as autopilot cannot 'see' a var/QtObject
property alias currentMeta: currentMetaItem
property alias mediaPlayer: mediaPlayerObject
property alias repeat: settings.repeat
property alias shuffle: settings.shuffle
Item {
id: currentMetaItem
objectName: "currentMeta"
property string album: ""
property string art: ""
property string author: ""
property string filename: ""
property string title: ""
property bool useFallbackArt: false
}
// Return the metadata for the source given from mediascanner2
function metaForSource(source) {
var blankMeta = {
album: "",
art: "",
author: "",
filename: "",
title: ""
};
source = source.toString();
if (source.indexOf("file://") === 0) {
source = source.substring(7);
}
return musicStore.lookup(decodeFileURI(source)) || blankMeta;
}
Settings {
id: settings
category: "PlayerSettings"
property bool repeat: true
property bool shuffle: false
}
MediaPlayer {
id: mediaPlayerObject
playlist: Playlist {
id: mediaPlayerPlaylist
playbackMode: {
if (settings.shuffle) {
Playlist.Random
} else if (settings.repeat) {
Playlist.Loop
} else {
Playlist.Sequential
}
}
// as that doesn't emit changes
readonly property bool canGoPrevious: { // FIXME: pad.lv/1517580 use previousIndex() > -1 after mh implements it
currentIndex !== 0 ||
settings.repeat ||
settings.shuffle || // FIXME: pad.lv/1517580 no way to know when we are at the end of a shuffle yet
mediaPlayerObject.position > 5000
}
readonly property bool canGoNext: { // FIXME: pad.lv/1517580 use nextIndex() > -1 after mh implements it
currentIndex !== (itemCount - 1) ||
settings.repeat ||
settings.shuffle // FIXME: pad.lv/1517580 no way to know when we are at the end of a shuffle yet
}
readonly property int count: itemCount // header actions etc depend on the model having 'count'
readonly property bool empty: itemCount === 0
property int pendingCurrentIndex: -1
property var pendingCurrentState: null
property int pendingShuffle: -1
onCurrentItemSourceChanged: {
var meta = metaForSource(currentItemSource);
currentMeta.album = meta.album;
currentMeta.art = meta.art;
currentMeta.author = meta.author;
currentMeta.filename = meta.filename;
currentMeta.title = meta.title;
currentMeta.useFallbackArt = false;
mediaPlayerObject._calcProgress();
}
onItemChanged: {
console.debug("*** Saving play queue in onItemChanged");
saveQueue()
}
onItemInserted: {
// When add to queue is done on an empty list currentIndex needs to be set
if (start === 0 && currentIndex === -1 && pendingCurrentIndex < 1 && pendingShuffle === -1) {
currentIndex = 0;
pendingCurrentIndex = -1;
processPendingCurrentState();
}
// Check if the pendingCurrentIndex is now valid
if (pendingCurrentIndex !== -1 && pendingCurrentIndex < itemCount) {
currentIndex = pendingCurrentIndex;
pendingCurrentIndex = -1;
processPendingCurrentState();
}
// Check if there is pending shuffle
// pendingShuffle holds the expected size of the model
if (pendingShuffle > -1 && pendingShuffle <= itemCount) {
pendingShuffle = -1;
nextWrapper(); // find a random track
mediaPlayerObject.play(); // next does not enforce play
}
console.debug("*** Saving play queue in onItemInserted");
saveQueue()
}
onItemRemoved: {
console.debug("*** Saving play queue in onItemRemoved");
saveQueue()
}
function addItemsFromModel(model) {
var items = []
// TODO: remove once playlists uses U1DB
if (model.hasOwnProperty("linkLibraryListModel")) {
model = model.linkLibraryListModel;
}
for (var i=0; i < model.rowCount; i++) {
items.push(Qt.resolvedUrl(model.get(i, model.RoleModelData).filename));
}
addItems(items);
}
// Wrap the clear() method because we need to call stop first
function clearWrapper() {
// Stop the current playback (this ensures that play is run later)
if (mediaPlayerObject.playbackState === MediaPlayer.PlayingState) {
mediaPlayerObject.stop();
}
clear();
}
// Replicates a model.get() on a ms2 model
function get(index, role) {
return metaForSource(itemSource(index));
}
// Wrap the next() method so we can check canGoNext
function nextWrapper() {
if (canGoNext) {
next();
}
}
// Wrap the previous() method so we can check canGoPrevious
function previousWrapper() {
if (canGoPrevious) {
previous();
}
}
// Process the pending current PlaybackState
function processPendingCurrentState() {
if (pendingCurrentState === MediaPlayer.PlayingState) {
console.debug("Loading pending state play()");
mediaPlayerObject.play();
} else if (pendingCurrentState === MediaPlayer.PausedState) {
console.debug("Loading pending state pause()");
mediaPlayerObject.pause();
} else if (pendingCurrentState === MediaPlayer.StoppedState) {
console.debug("Loading pending state stop()");
mediaPlayerObject.stop();
}
pendingCurrentState = null;
}
// Wrapper for removeItems(from, to) so that we can use removeItems(list) until it is implemented upstream
function removeItemsWrapper(items) {
var previous = -1, end = -1;
// Sort indexes backwards so we don't have to deal with offsets when removing
items.sort(function(a,b) { return b-a; });
console.debug("To Remove", JSON.stringify(items));
// Merge ranges of indexes into sets of start, end points
// and call removeItems as we go along
for (var i=0; i < items.length; i++) {
if (end == -1) { // first value found set to first
end = items[i];
} else if (previous - 1 !== items[i]) { // set has ended (next is not 1 lower)
console.debug("RemoveItems", previous, end);
player.mediaPlayer.playlist.removeItems(previous, end);
end = items[i]; // set new high value for the next set
}
previous = items[i]; // last value to check if next is 1 lower
}
// Remove last set in list as well
if (items.length > 0) {
console.debug("RemoveItems", items[items.length - 1], end);
player.mediaPlayer.playlist.removeItems(items[items.length - 1], end);
}
}
function saveQueue(start, end) {
// FIXME: load and save do not work yet pad.lv/1510225
// so use our localstorage method for now
// save("/home/phablet/.local/share/com.ubuntu.music/queue.m3u");
if (mainView.loadedUI) {
// Don't be intelligent, just clear and rebuild the queue for now
Library.clearQueue();
var sources = [];
for (var i=0; i < mediaPlayerPlaylist.itemCount; i++) {
sources.push(mediaPlayerPlaylist.itemSource(i));
}
if (sources.length > 0) {
Library.addQueueList(sources);
}
}
}
function setCurrentIndex(index) {
// Set the currentIndex but if the itemCount is too low then wait
if (index < mediaPlayerPlaylist.itemCount) {
mediaPlayerPlaylist.currentIndex = index;
} else {
pendingCurrentIndex = index;
}
}
function setPendingCurrentState(pendingState) {
// Set the PlaybackState to set once pendingCurrentIndex is set
pendingCurrentState = pendingState;
if (pendingCurrentIndex === -1) {
processPendingCurrentState();
}
}
function setPendingShuffle(modelSize) {
// Run next() and play() when the modelSize is reached
if (modelSize <= itemCount) {
mediaPlayerPlaylist.nextWrapper(); // find a random track
mediaPlayerObject.play(); // next does not enforce play
} else {
pendingShuffle = modelSize;
}
}
}
property bool endOfMedia: false
property double progress: 0
onDurationChanged: _calcProgress()
onPositionChanged: _calcProgress()
onStatusChanged: {
if (status == MediaPlayer.EndOfMedia && !settings.repeat) {
console.debug("End of media, stopping.")
// Tells the onStopped to set the curentIndex = 0
endOfMedia = true;
stop();
}
}
onStopped: { // hit when pressing next() on last track with repeat off
console.debug("onStopped.")
// FIXME: Workaround for pad.lv/1494031 in the stopped state
// we do not get position/duration info so if there are items in
// the queue and we have stopped instead pause
if (playlist.itemCount > 0) {
// We have just ended media so jump to start of playlist
if (endOfMedia) {
playlist.currentIndex = 0;
// Play then pause otherwise when we come from EndOfMedia
// if calls next() until EndOfMedia again
play();
}
pause();
}
endOfMedia = false; // always reset endOfMedia
_calcProgress(); // ensures progress bar has reset
}
function _calcProgress() {
if (duration > 0) {
progress = position / duration;
} else if (position >= duration) {
progress = 0;
} else {
progress = 0;
}
}
function toggle() {
if (playbackState === MediaPlayer.PlayingState) {
pause();
} else {
play();
}
}
}
}
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