From 9ad7034db4f00a0a9cc586d49b89152501f5f611 Mon Sep 17 00:00:00 2001
From: APTX <marek321@gmail.com>
Date: Mon, 27 Feb 2017 01:11:50 +0100
Subject: [PATCH] Proper solution to Player QML registration

---
 core/player.cpp | 10 ++++------
 core/player.h   |  4 +---
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/core/player.cpp b/core/player.cpp
index 0be95be..56c5509 100644
--- a/core/player.cpp
+++ b/core/player.cpp
@@ -7,11 +7,7 @@ Q_LOGGING_CATEGORY(playerCategory, "Player")
 
 Player::Player(BackendPluginBase *backendPlugin, QObject *parent)
     : QObject(parent) {
-  if (!backendPlugin) {
-    qCCritical(playerCategory)
-        << "Trying to create a player without a backendPlugin";
-    return;
-  }
+  Q_ASSERT(backendPlugin);
   qCDebug(playerCategory) << "Creating player" << this;
   m_backend = backendPlugin->createInstance(this);
   Q_CHECK_PTR(m_backend);
@@ -204,7 +200,9 @@ void Player::reqisterQmlTypes() {
   qRegisterMetaType<TimeStamp>("TimeStamp");
   qRegisterMetaType<StreamIndex>("StreamIndex");
   qRegisterMetaType<Volume>("Volume");
-  qmlRegisterType<Player>("org.aptx.aniplayer", 1, 0, "Player");
+  qmlRegisterUncreatableType<Player>(
+      "org.aptx.aniplayer", 1, 0, "Player",
+      "The player is provided to QML as the 'player' global variable.");
 }
 
 bool Player::canLoadVideoNow() const {
diff --git a/core/player.h b/core/player.h
index c96d582..e199fc1 100644
--- a/core/player.h
+++ b/core/player.h
@@ -52,9 +52,7 @@ public:
 
   static const constexpr Volume MAX_VOLUME = Volume{1.0};
 
-  // BackendPluginBase * allowed to be null because this is exposed to QML
-  // for the enums/types. Player should never be created in QML.
-  explicit Player(BackendPluginBase * = nullptr, QObject *parent = nullptr);
+  explicit Player(BackendPluginBase *, QObject *parent = nullptr);
   ~Player() override;
 
   enum class PlayState {
-- 
2.52.0