[core] Eliminate Source::isLoading

Source::load is already a no-op if the request is in progress, so it isn't necessary.

3 files changed, 1 insertions, 6 deletions

diff --git a/src/mbgl/style/source.cpp b/src/mbgl/style/source.cpp
index c3265a7b41..639c563a64 100644
--- a/src/mbgl/style/source.cpp
+++ b/src/mbgl/style/source.cpp
@@ -59,10 +59,6 @@ bool Source::isLoaded() const {
     return true;
 }
 
-bool Source::isLoading() const {
-    return !loaded && req.operator bool();
-}
-
 void Source::invalidateTiles() {
     tiles.clear();
     renderTiles.clear();
diff --git a/src/mbgl/style/source.hpp b/src/mbgl/style/source.hpp
index 193f73da4d..485f3446ca 100644
--- a/src/mbgl/style/source.hpp
+++ b/src/mbgl/style/source.hpp
@@ -43,7 +43,6 @@ public:
 
     bool loaded = false;
     virtual void load(FileSource&) = 0;
-    bool isLoading() const;
     bool isLoaded() const;
 
     const Tileset* getTileset() const { return tileset.get(); }
diff --git a/src/mbgl/style/style.cpp b/src/mbgl/style/style.cpp
index 2fe4810a5a..5dd00bd309 100644
--- a/src/mbgl/style/style.cpp
+++ b/src/mbgl/style/style.cpp
@@ -214,7 +214,7 @@ void Style::recalculate(float z, const TimePoint& timePoint, MapMode mode) {
         Source* source = getSource(layer->baseImpl->source);
         if (source && layer->baseImpl->needsRendering()) {
             source->enabled = true;
-            if (!source->loaded && !source->isLoading()) {
+            if (!source->loaded) {
                 source->load(fileSource);
             }
         }