[Qt] s/mapRegionDidChange()/mapChanged(QMapboxGL::MapChange)/ signal

platform/qt/include/qmapboxgl.hpp

@@ -75,6 +75,7 @@ class Q_DECL_EXPORT QMapboxGL : public QObject
     Q_PROPERTY(double zoom READ zoom WRITE setZoom)
     Q_PROPERTY(double bearing READ bearing WRITE setBearing)
     Q_PROPERTY(double pitch READ pitch WRITE setPitch)
+    Q_ENUMS(MapChange)
 
 public:
     // Determines the orientation of the map.
@@ -85,6 +86,24 @@ public:
         NorthLeftwards,
     };
 
+    // Reflects mbgl::MapChange.
+    enum MapChange {
+        MapChangeRegionWillChange = 0,
+        MapChangeRegionWillChangeAnimated = 1,
+        MapChangeRegionIsChanging = 2,
+        MapChangeRegionDidChange = 3,
+        MapChangeRegionDidChangeAnimated = 4,
+        MapChangeWillStartLoadingMap = 5,
+        MapChangeDidFinishLoadingMap = 6,
+        MapChangeDidFailLoadingMap = 7,
+        MapChangeWillStartRenderingFrame = 8,
+        MapChangeDidFinishRenderingFrame = 9,
+        MapChangeDidFinishRenderingFrameFullyRendered = 10,
+        MapChangeWillStartRenderingMap = 11,
+        MapChangeDidFinishRenderingMap = 12,
+        MapChangeDidFinishRenderingMapFullyRendered = 13
+    };
+
     QMapboxGL(QObject *parent = 0, const QMapboxGLSettings& = QMapboxGLSettings());
     virtual ~QMapboxGL();
 
@@ -182,7 +201,7 @@ public slots:
 
 signals:
     void needsRendering();
-    void mapRegionDidChange();
+    void mapChanged(QMapboxGL::MapChange);
 
 private:
     Q_DISABLE_COPY(QMapboxGL)
@@ -190,4 +209,6 @@ private:
     QMapboxGLPrivate *d_ptr;
 };
 
+Q_DECLARE_METATYPE(QMapboxGL::MapChange);
+
 #endif // QMAPBOXGL_H

platform/qt/src/qmapboxgl.cpp

@@ -584,9 +584,11 @@ QMapboxGLPrivate::QMapboxGLPrivate(QMapboxGL *q, const QMapboxGLSettings &settin
         static_cast<mbgl::GLContextMode>(settings.contextMode()),
         static_cast<mbgl::ConstrainMode>(settings.constrainMode())))
 {
+    qRegisterMetaType<QMapboxGL::MapChange>("QMapboxGL::MapChange");
+
     fileSourceObj->setAccessToken(settings.accessToken().toStdString());
     connect(this, SIGNAL(needsRendering()), q_ptr, SIGNAL(needsRendering()), Qt::QueuedConnection);
-    connect(this, SIGNAL(mapRegionDidChange()), q_ptr, SIGNAL(mapRegionDidChange()));
+    connect(this, SIGNAL(mapChanged(QMapboxGL::MapChange)), q_ptr, SIGNAL(mapChanged(QMapboxGL::MapChange)), Qt::QueuedConnection);
 }
 
 QMapboxGLPrivate::~QMapboxGLPrivate()
@@ -619,16 +621,7 @@ void QMapboxGLPrivate::invalidate()
 
 void QMapboxGLPrivate::notifyMapChange(mbgl::MapChange change)
 {
-    // Map thread.
-    switch (change) {
-    case mbgl::MapChangeRegionDidChange:
-    case mbgl::MapChangeRegionDidChangeAnimated:
-    case mbgl::MapChangeRegionIsChanging:
-        emit mapRegionDidChange();
-        break;
-    default:
-        break;
-    }
+    emit mapChanged(static_cast<QMapboxGL::MapChange>(change));
 }
 
 void QMapboxGLPrivate::connectionEstablished()

platform/qt/src/qmapboxgl_p.hpp

@@ -11,11 +11,6 @@
 #include <QObject>
 #include <QSize>
 
-#include <memory>
-
-class QMapboxGL;
-class QMapboxGLSettings;
-
 class QMapboxGLPrivate : public QObject, public mbgl::View
 {
     Q_OBJECT
@@ -50,8 +45,8 @@ public slots:
     void connectionEstablished();
 
 signals:
-    void mapRegionDidChange();
     void needsRendering();
+    void mapChanged(QMapboxGL::MapChange);
 };
 
 #endif // QMAPBOXGL_P_H