Clementine-audio-player-Mac.../src/moodbar/moodbarcontroller.cpp

86 lines
2.7 KiB
C++

/* This file is part of Clementine.
Copyright 2012, David Sansome <me@davidsansome.com>
Clementine 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 3 of the License, or
(at your option) any later version.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "moodbarcontroller.h"
#include "core/application.h"
#include "core/closure.h"
#include "core/logging.h"
#include "core/player.h"
#include "moodbarloader.h"
#include "moodbarpipeline.h"
#include "playlist/playlistmanager.h"
MoodbarController::MoodbarController(Application* app, QObject* parent)
: QObject(parent), app_(app) {
connect(app_->playlist_manager(), SIGNAL(CurrentSongChanged(Song)),
SLOT(CurrentSongChanged(Song)));
connect(app_->player(), SIGNAL(Stopped()), SLOT(PlaybackStopped()));
}
void MoodbarController::CurrentSongChanged(const Song& song) {
QByteArray data;
MoodbarPipeline* pipeline = nullptr;
const MoodbarLoader::Result result =
app_->moodbar_loader()->Load(song.url(), &data, &pipeline);
switch (result) {
case MoodbarLoader::CannotLoad:
emit CurrentMoodbarDataChanged(QByteArray());
break;
case MoodbarLoader::Loaded:
emit CurrentMoodbarDataChanged(data);
break;
case MoodbarLoader::WillLoadAsync:
// Emit an empty array for now so the GUI reverts to a normal progress
// bar. Our slot will be called when the data is actually loaded.
emit CurrentMoodbarDataChanged(QByteArray());
NewClosure(pipeline, SIGNAL(Finished(bool)), this,
SLOT(AsyncLoadComplete(MoodbarPipeline*, QUrl)), pipeline,
song.url());
break;
}
}
void MoodbarController::PlaybackStopped() {
emit CurrentMoodbarDataChanged(QByteArray());
}
void MoodbarController::AsyncLoadComplete(MoodbarPipeline* pipeline,
const QUrl& url) {
// Is this song still playing?
PlaylistItemPtr current_item = app_->player()->GetCurrentItem();
if (current_item && current_item->Url() != url) {
return;
}
// Did we stop the song?
switch (app_->player()->GetState()) {
case Engine::Error:
case Engine::Empty:
case Engine::Idle:
return;
default:
break;
}
emit CurrentMoodbarDataChanged(pipeline->data());
}