- Display a qr code in the remote control settings to download the android app

- Transfer the current track position to clients

data/data.qrc

@@ -358,5 +358,6 @@
         <file>volumeslider-handle_glow.png</file>
         <file>volumeslider-handle.png</file>
         <file>volumeslider-inset.png</file>
+        <file>clementine_remote_qr.png</file>
     </qresource>
 </RCC>

ext/libclementine-remote/remotecontrolmessages.proto

@@ -31,6 +31,7 @@ enum MsgType {
   PLAYLIST_SONGS = 43;
   ENGINE_STATE_CHANGED = 44;
   KEEP_ALIVE = 45;
+  UPDATE_TRACK_POSITION = 46;
 }
 
 // Valid Engine states
@@ -56,6 +57,7 @@ message SongMetadata {
   optional int32 playcount = 11;
   optional string pretty_length = 12;
   optional bytes art = 13;
+  optional int32 length = 14;
 }
 
 // Playlist informations
@@ -139,9 +141,14 @@ message ResponseEngineStateChanged {
   optional EngineState state = 1;
 }
 
+// Sends the current position of the track
+message ResponseUpdateTrackPosition {  
+  optional int32 position = 1;
+}
+
 // The message itself
 message Message {
-  optional int32 version = 1 [default=1];
+  optional int32 version = 1 [default=2];
   optional MsgType type = 2 [default=UNKNOWN]; // What data is in the message?
 
   optional RequestPlaylistSongs request_playlist_songs = 10;
@@ -154,4 +161,5 @@ message Message {
   optional ResponsePlaylists response_playlists = 17;
   optional ResponsePlaylistSongs response_playlist_songs = 18;
   optional ResponseEngineStateChanged response_engine_state_changed = 19;
+  optional ResponseUpdateTrackPosition response_update_track_position = 20;
 }

src/networkremote/networkremote.cpp

@@ -28,7 +28,6 @@
 
 const char* NetworkRemote::kSettingsGroup = "NetworkRemote";
 const quint16 NetworkRemote::kDefaultServerPort = 5500;
-const int NetworkRemote::kProtocolBufferVersion = 1;
 
 NetworkRemote::NetworkRemote(Application* app, QObject* parent)
   : QObject(parent),

src/networkremote/networkremote.h

@@ -17,7 +17,6 @@ class NetworkRemote : public QObject {
 public:
   static const char* kSettingsGroup;
   static const quint16 kDefaultServerPort;
-  static const int kProtocolBufferVersion;
 
   explicit NetworkRemote(Application* app, QObject* parent = 0);
   ~NetworkRemote();

src/networkremote/outgoingdatacreator.cpp

@@ -18,6 +18,7 @@
 #include "outgoingdatacreator.h"
 #include "networkremote.h"
 #include "core/logging.h"
+#include "core/timeconstants.h"
 
 OutgoingDataCreator::OutgoingDataCreator(Application* app)
   : app_(app)
@@ -26,6 +27,10 @@ OutgoingDataCreator::OutgoingDataCreator(Application* app)
   keep_alive_timer_ = new QTimer(this);
   connect(keep_alive_timer_, SIGNAL(timeout()), this, SLOT(SendKeepAlive()));
   keep_alive_timeout_ = 10000;
+
+  // Create the song position timer
+  track_position_timer_ = new QTimer(this);
+  connect(track_position_timer_, SIGNAL(timeout()), this, SLOT(UpdateTrackPosition()));
 }
 
 OutgoingDataCreator::~OutgoingDataCreator() {
@@ -44,9 +49,6 @@ void OutgoingDataCreator::SendDataToClients(pb::remote::Message* msg) {
     return;
   }
 
-  // Add the Version number
-  msg->set_version(NetworkRemote::kProtocolBufferVersion);
-
   RemoteClient* client;
   foreach(client, *clients_) {
     // Check if the client is still active
@@ -166,6 +168,7 @@ void OutgoingDataCreator::CreateSong(
     song_metadata->set_artist(DataCommaSizeFromQString(song.artist()));
     song_metadata->set_album(DataCommaSizeFromQString(song.album()));
     song_metadata->set_albumartist(DataCommaSizeFromQString(song.albumartist()));
+    song_metadata->set_length(song.length_nanosec() / kNsecPerSec);
     song_metadata->set_pretty_length(DataCommaSizeFromQString(song.PrettyLength()));
     song_metadata->set_genre(DataCommaSizeFromQString(song.genre()));
     song_metadata->set_pretty_year(DataCommaSizeFromQString(song.PrettyYear()));
@@ -257,12 +260,16 @@ void OutgoingDataCreator::StateChanged(Engine::State state) {
 
   switch (state) {
   case Engine::Playing: msg.set_type(pb::remote::PLAY);
+                        track_position_timer_->start(1000);
                         break;
   case Engine::Paused:  msg.set_type(pb::remote::PAUSE);
+                        track_position_timer_->stop();
                         break;
   case Engine::Empty:   msg.set_type(pb::remote::STOP); // Empty is called when player stopped
+                        track_position_timer_->stop();
                         break;
   default:              msg.set_type(pb::remote::STOP);
+                        track_position_timer_->stop();
                         break;
   };
 
@@ -318,3 +325,15 @@ void OutgoingDataCreator::SendKeepAlive() {
   msg.set_type(pb::remote::KEEP_ALIVE);
   SendDataToClients(&msg);
 }
+
+void OutgoingDataCreator::UpdateTrackPosition() {
+  pb::remote::Message msg;
+  msg.set_type(pb::remote::UPDATE_TRACK_POSITION);
+
+  const int position = std::floor(
+    float(app_->player()->engine()->position_nanosec()) / kNsecPerSec + 0.5);
+
+  msg.mutable_response_update_track_position()->set_position(position);
+
+  SendDataToClients(&msg);
+}

src/networkremote/outgoingdatacreator.h

@@ -36,6 +36,7 @@ public slots:
   void SendKeepAlive();
   void SendRepeatMode(PlaylistSequence::RepeatMode mode);
   void SendShuffleMode(PlaylistSequence::ShuffleMode mode);
+  void UpdateTrackPosition();
 
 private:
   Application* app_;
@@ -45,6 +46,7 @@ private:
   QImage current_image_;
   Engine::State last_state_;
   QTimer* keep_alive_timer_;
+  QTimer* track_position_timer_;
   int keep_alive_timeout_;
 
   void SendDataToClients(pb::remote::Message* msg);

src/ui/networkremotesettingspage.cpp

@@ -60,6 +60,9 @@ void NetworkRemoteSettingsPage::Load() {
   }
 
   s.endGroup();
+
+  QPixmap android_qr_code(":clementine_remote_qr.png");
+  ui_->android_app_qr->setPixmap(android_qr_code);
 }
 
 void NetworkRemoteSettingsPage::Save() {

src/ui/networkremotesettingspage.ui

@@ -86,6 +86,33 @@
      </layout>
     </widget>
    </item>
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="font">
+      <font>
+       <pointsize>15</pointsize>
+       <weight>75</weight>
+       <bold>true</bold>
+      </font>
+     </property>
+     <property name="text">
+      <string>Get the Android App now!</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignCenter</set>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLabel" name="android_app_qr">
+     <property name="text">
+      <string/>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignCenter</set>
+     </property>
+    </widget>
+   </item>
    <item>
     <spacer name="verticalSpacer_5">
      <property name="orientation">