Differential D11968 Diff 31909 src/context/applets/lyrics/plugin/LyricsEngine.cpp

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src/context/applets/lyrics/plugin/LyricsEngine.cpp

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15 * this program. If not, see <http://www.gnu.org/licenses/>. * 15​ * this program. If not, see <http://www.gnu.org/licenses/>. *
16 ****************************************************************************************/ 16​ ****************************************************************************************/
17 17​
18#define DEBUG_PREFIX "LyricsEngine" 18​#define DEBUG_PREFIX "LyricsEngine"
19 19​
20#include "LyricsEngine.h" 20​#include "LyricsEngine.h"
21 21​
22#include "EngineController.h" 22​#include "EngineController.h"
23#include "scripting/scriptmanager/ScriptManager.h" ​
24#include "core/support/Amarok.h" 23​#include "core/support/Amarok.h"
25#include "core/support/Debug.h" 24​#include "core/support/Debug.h"
25​#include "lyrics/LyricsManager.h"
26 26​
27#include <QFont> 27​#include <QFont>
28 28​
29#include <KFontChooser> 29​#include <KFontChooser>
30 30​
31 31​
32LyricsEngine::LyricsEngine( QObject* parent ) 32​LyricsEngine::LyricsEngine( QObject* parent )
33 : QObject( parent ) 33​ : QObject( parent )
34 , LyricsObserver( LyricsManager::self() ) ​
35 , m_fetching( false ) 34​ , m_fetching( false )
36 , m_isUpdateInProgress( false ) 35​ , m_isUpdateInProgress( false )
37{ 36​{
38 37​
39 EngineController* engine = The::engineController(); 38​ EngineController* engine = The::engineController();
39​ LyricsManager* lyricsManager = LyricsManager::instance();
40 40​
41 connect( engine, &EngineController::trackChanged, 41​ connect( engine, &EngineController::trackChanged,
42 this, &LyricsEngine::update ); 42​ this, &LyricsEngine::update );
43 connect( engine, &EngineController::trackMetadataChanged, 43​ connect( engine, &EngineController::trackMetadataChanged,
44 this, &LyricsEngine::onTrackMetadataChanged ); 44​ this, &LyricsEngine::onTrackMetadataChanged );
45 connect( engine, &EngineController::trackPositionChanged, 45​ connect( engine, &EngineController::trackPositionChanged,
46 this, &LyricsEngine::positionChanged ); 46​ this, &LyricsEngine::positionChanged );
47​ connect( lyricsManager, &LyricsManager::newLyrics, this, &LyricsEngine::newLyrics );
48​ connect( lyricsManager, &LyricsManager::newSuggestions, this, &LyricsEngine::newSuggestions );
47} 49​}
48 50​
49void LyricsEngine::onTrackMetadataChanged( Meta::TrackPtr track ) 51​void LyricsEngine::onTrackMetadataChanged( Meta::TrackPtr track )
50{ 52​{
51 DEBUG_BLOCK 53​ DEBUG_BLOCK
52 54​
53 // Only update if the lyrics have changed. 55​ // Only update if the lyrics have changed.
54 QString artist = track->artist() ? track->artist()->name() : QString(); 56​ if( m_lyrics != track->cachedLyrics() )
55 if( m_lyrics.artist != artist || ​
56 m_lyrics.title != track->name() || ​
57 m_lyrics.text != track->cachedLyrics() ) ​
58 update(); 57​ update();
59} 58​}
60 59​
61void LyricsEngine::update() 60​void LyricsEngine::update()
62{ 61​{
63 if( m_isUpdateInProgress ) 62​ Meta::TrackPtr track = The::engineController()->currentTrack();
64 return; 63​ if( !track )
65 ​
66 m_isUpdateInProgress = true; ​
67 ​
68 // -- get current title and artist ​
69 Meta::TrackPtr currentTrack = The::engineController()->currentTrack(); ​
70 if( !currentTrack ) ​
71 { ​
72 debug() << "no current track"; ​
73 m_lyrics.clear(); ​
74 emit lyricsChanged(); ​
75 m_isUpdateInProgress = false; ​
76 return; ​
77 } ​
78 ​
79 QString title = currentTrack->name(); ​
80 QString artist = currentTrack->artist() ? currentTrack->artist()->name() : QString(); ​
81 ​
82 // -- clean up title ​
83 const QString magnatunePreviewString = QLatin1String( "PREVIEW: buy it at www.magnatune.com" ); ​
84 if( title.contains(magnatunePreviewString, Qt::CaseSensitive) ) ​
85 title = title.remove( " (" + magnatunePreviewString + ')' ); ​
86 if( artist.contains(magnatunePreviewString, Qt::CaseSensitive) ) ​
87 artist = artist.remove( " (" + magnatunePreviewString + ')' ); ​
88 ​
89 if( title.isEmpty() && currentTrack ) ​
90 { 64​ {
91 /* If title is empty, try to use pretty title. 65​ clearLyrics();
92 The fact that it often (but not always) has "artist name" together, can be bad, ​
93 but at least the user will hopefully get nice suggestions. */ ​
94 QString prettyTitle = currentTrack->prettyName(); ​
95 int h = prettyTitle.indexOf( QLatin1Char('-') ); ​
96 if ( h != -1 ) ​
97 { ​
98 title = prettyTitle.mid( h + 1 ).trimmed(); ​
99 if( title.contains(magnatunePreviewString, Qt::CaseSensitive) ) ​
100 title = title.remove( " (" + magnatunePreviewString + ')' ); ​
101 ​
102 if( artist.isEmpty() ) ​
103 { ​
104 artist = prettyTitle.mid( 0, h ).trimmed(); ​
105 if( artist.contains(magnatunePreviewString, Qt::CaseSensitive) ) ​
106 artist = artist.remove( " (" + magnatunePreviewString + ')' ); ​
107 } ​
108 } ​
109 } ​
110 ​
111 LyricsData lyrics = { currentTrack->cachedLyrics(), title, artist, QUrl() }; ​
112 ​
113 // Check if the title, the artist and the lyrics are still the same. ​
114 if( !lyrics.text.isEmpty() && (lyrics.text == m_lyrics.text) ) ​
115 { ​
116 debug() << "nothing changed:" << lyrics.title; ​
117 newLyrics( lyrics ); ​
118 m_isUpdateInProgress = false; ​
119 return; 66​ return;
120 } 67​ }
121 68​
122 // don't rely on caching for streams 69​ if( LyricsManager::instance()->isEmpty( track->cachedLyrics() ) )
123 const bool cached = !LyricsManager::self()->isEmpty( lyrics.text ) ​
124 && !The::engineController()->isStream(); ​
125 ​
126 if( cached ) ​
127 { ​
128 newLyrics( lyrics ); ​
129 } ​
130 else ​
131 { ​
132 // no lyrics, and no lyrics script! ​
133 if( !ScriptManager::instance()->lyricsScriptRunning() ) ​
134 { 70​ {
135 debug() << "no lyrics script running"; ​
136 clearLyrics(); 71​ clearLyrics();
137 disconnect( ScriptManager::instance(), &ScriptManager::lyricsScriptStarted, this, 0 ); ​
138 connect( ScriptManager::instance(), &ScriptManager::lyricsScriptStarted, this, &LyricsEngine::update ); ​
139 m_isUpdateInProgress = false; ​
140 return; 72​ return;
141 } 73​ }
142 74​
143 // fetch by lyrics script 75​ newLyrics( track );
144 clearLyrics(); ​
145 m_fetching = true; ​
146 emit fetchingChanged(); ​
147 ScriptManager::instance()->notifyFetchLyrics( lyrics.artist, lyrics.title, "", currentTrack ); ​
148 } ​
149 m_isUpdateInProgress = false; ​
150} 76​}
151 77​
152void LyricsEngine::newLyrics( const LyricsData &lyrics ) 78​void LyricsEngine::newLyrics( const Meta::TrackPtr &track )
153{ 79​{
154 DEBUG_BLOCK 80​ DEBUG_BLOCK
155 81​
156 m_lyrics = lyrics; 82​ if( track != The::engineController()->currentTrack() )
83​ return;
84​
85​ m_lyrics = track->cachedLyrics();
157 emit lyricsChanged(); 86​ emit lyricsChanged();
158 87​
159 m_fetching = false; 88​ m_fetching = false;
160 emit fetchingChanged(); 89​ emit fetchingChanged();
161} 90​}
162 91​
163void LyricsEngine::newSuggestions( const QVariantList &suggested ) 92​void LyricsEngine::newSuggestions( const QVariantList &suggested )
164{ 93​{
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192} 121​}
193 122​
194void LyricsEngine::refetchLyrics() const 123​void LyricsEngine::refetchLyrics() const
195{ 124​{
196 Meta::TrackPtr currentTrack = The::engineController()->currentTrack(); 125​ Meta::TrackPtr currentTrack = The::engineController()->currentTrack();
197 if( !currentTrack ) 126​ if( !currentTrack )
198 return; 127​ return;
199 128​
200 ScriptManager::instance()->notifyFetchLyrics( m_lyrics.artist, m_lyrics.title, "", currentTrack ); 129​ LyricsManager::instance()->loadLyrics( currentTrack, true );
201} ​
202 ​
203void LyricsEngine::refetchLyrics() ​
204{ ​
205 DEBUG_BLOCK ​
206 ​
207 auto currentTrack = The::engineController()->currentTrack(); ​
208 ​
209 if( currentTrack ) ​
210 ScriptManager::instance()->notifyFetchLyrics( currentTrack->artist()->name(), ​
211 currentTrack->name(), "", currentTrack ); ​
212 ​
213 m_fetching = true; ​
214 emit fetchingChanged(); ​
215} ​
216 ​
217void LyricsEngine::fetchLyrics(const QString& artist, const QString& title, const QString& url) ​
218{ ​
219 DEBUG_BLOCK ​
220 ​
221 if( !QUrl( url ).isValid() ) ​
222 return; ​
223 ​
224 debug() << "clicked suggestion" << url; ​
225 ​
226 ScriptManager::instance()->notifyFetchLyrics( artist, title, url, Meta::TrackPtr() ); ​
227 ​
228 m_fetching = true; ​
229 emit fetchingChanged(); ​
230} 130​}
231 131​
232qreal LyricsEngine::fontSize() const 132​qreal LyricsEngine::fontSize() const
233{ 133​{
234 return Amarok::config( "Context" ).group( "Lyrics" ).readEntry( "fontSize", 18 ); 134​ return Amarok::config( "Context" ).group( "Lyrics" ).readEntry( "fontSize", 18 );
235} 135​}
236 136​
237void LyricsEngine::setFontSize(qreal fontSize) 137​void LyricsEngine::setFontSize(qreal fontSize)
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