Add ability to get a link to share Spotify songs

src/internet/core/internetservice.cpp

@@ -22,7 +22,12 @@
 
 #include "internet/core/internetservice.h"
 
+#include <QApplication>
+#include <QClipboard>
+#include <QIcon>
 #include <QMenu>
+#include <QMessageBox>
+#include <QPushButton>
 #include <QStandardItem>
 
 #include "internet/core/internetmodel.h"
@@ -42,6 +47,22 @@ InternetService::InternetService(const QString& name, Application* app,
       open_in_new_playlist_(nullptr),
       separator_(nullptr) {}
 
+void InternetService::ShowUrlBox(const QString& title, const QString& url) {
+  QMessageBox url_box;
+  url_box.setWindowTitle(title);
+  url_box.setWindowIcon(QIcon(":/icon.png"));
+  url_box.setText(url);
+  url_box.setStandardButtons(QMessageBox::Ok);
+  QPushButton* copy_to_clipboard_button =
+      url_box.addButton(tr("Copy to clipboard"), QMessageBox::ActionRole);
+
+  url_box.exec();
+
+  if (url_box.clickedButton() == copy_to_clipboard_button) {
+    QApplication::clipboard()->setText(url);
+  }
+}
+
 QList<QAction*> InternetService::GetPlaylistActions() {
   if (!separator_) {
     separator_ = new QAction(this);

src/internet/core/internetservice.h

@@ -48,6 +48,10 @@ class InternetService : public QObject {
                   QObject* parent = nullptr);
   virtual ~InternetService() {}
 
+  // Convenient method that shows URL in a QMessageBox. Used by several Internet
+  // services
+  static void ShowUrlBox(const QString& title, const QString& url);
+
   QString name() const { return name_; }
   InternetModel* model() const { return model_; }
 

src/internet/grooveshark/groovesharkservice.cpp

@@ -1205,22 +1205,6 @@ void GroovesharkService::PlaylistUrlToShareReceived(QNetworkReply* reply) {
   ShowUrlBox(tr("Grooveshark playlist's URL"), url);
 }
 
-void GroovesharkService::ShowUrlBox(const QString& title, const QString& url) {
-  QMessageBox url_box;
-  url_box.setWindowTitle(title);
-  url_box.setWindowIcon(QIcon(":/icon.png"));
-  url_box.setText(url);
-  url_box.setStandardButtons(QMessageBox::Ok);
-  QPushButton* copy_to_clipboard_button =
-      url_box.addButton(tr("Copy to clipboard"), QMessageBox::ActionRole);
-
-  url_box.exec();
-
-  if (url_box.clickedButton() == copy_to_clipboard_button) {
-    QApplication::clipboard()->setText(url);
-  }
-}
-
 void GroovesharkService::AddCurrentSongToPlaylist(QAction* action) {
   int playlist_id = action->data().toInt();
   if (!playlists_.contains(playlist_id)) {

src/internet/grooveshark/groovesharkservice.h

@@ -231,7 +231,6 @@ class GroovesharkService : public InternetService {
   // Convenient function which block until 'reply' replies, or timeout after 10
   // seconds. Returns false if reply has timeouted
   bool WaitForReply(QNetworkReply* reply);
-  void ShowUrlBox(const QString& title, const QString& url);
   // Convenient function for extracting result from reply
   QVariantMap ExtractResult(QNetworkReply* reply);
   // Convenient function for extracting songs from grooveshark result. result

src/internet/spotify/spotifyservice.cpp

@@ -604,6 +604,11 @@ QList<QAction*> SpotifyService::playlistitem_actions(const Song& song) {
   add_to_playlists->setMenu(playlists_menu);
   playlistitem_actions_.append(add_to_playlists);
 
+  QAction* share_song =
+      new QAction(tr("Get a URL to share this Spotify song"), this);
+  connect(share_song, SIGNAL(triggered()), SLOT(GetCurrentSongUrlToShare()));
+  playlistitem_actions_.append(share_song);
+
   // Keep in mind the current song URL
   current_song_url_ = song.url();
 
@@ -638,6 +643,8 @@ void SpotifyService::EnsureMenuCreated() {
   remove_from_playlist_ = song_context_menu_->addAction(
       IconLoader::Load("list-remove"), tr("Remove from playlist"), this,
       SLOT(RemoveCurrentFromPlaylist()));
+  song_context_menu_->addAction(tr("Get a URL to share this Spotify song"),
+      this, SLOT(GetCurrentSongUrlToShare()));
 
   song_context_menu_->addAction(GetNewShowConfigAction());
 }
@@ -765,6 +772,7 @@ void SpotifyService::ShowContextMenu(const QPoint& global_pos) {
       playlist_context_menu_->popup(global_pos);
       return;
     } else if (type == InternetModel::Type_Track) {
+      current_song_url_ = item->data(InternetModel::Role_Url).toUrl();
       // Is this track contained in a playlist we can modify?
       bool is_playlist_modifiable =
           item->parent() &&
@@ -779,6 +787,14 @@ void SpotifyService::ShowContextMenu(const QPoint& global_pos) {
   context_menu_->popup(global_pos);
 }
 
+void SpotifyService::GetCurrentSongUrlToShare() const {
+  QString url = current_song_url_.toEncoded();
+  // URLs we use can be opened with Spotify application, but I believe it's
+  // better to give website links instead.
+  url.replace("spotify:track:", "https://play.spotify.com/track/");
+  InternetService::ShowUrlBox(tr("Spotify song's URL"), url);
+}
+
 void SpotifyService::ItemDoubleClicked(QStandardItem* item) {}
 
 void SpotifyService::DropMimeData(const QMimeData* data,

src/internet/spotify/spotifyservice.h

@@ -139,6 +139,7 @@ class SpotifyService : public InternetService {
   void SearchResults(const pb::spotify::SearchResponse& response);
   void SyncPlaylistProgress(const pb::spotify::SyncPlaylistProgress& progress);
   void ToplistLoaded(const pb::spotify::BrowseToplistResponse& response);
+  void GetCurrentSongUrlToShare() const;
 
   void DoSearch();