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author | Mikhail Pozdnyakov <mikhail.pozdnyakov@mapbox.com> | 2018-11-15 15:47:25 +0200 |
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committer | Mikhail Pozdnyakov <mikhail.pozdnyakov@mapbox.com> | 2018-11-15 17:48:36 +0200 |
commit | ff09c94d0825f5dbe7dddce52b64e74d61978976 (patch) | |
tree | 86833d95d8bf7abbcb8e6965aaba65d666ffff52 /src/mbgl/style/layers/raster_layer.cpp | |
parent | 73dcfe2d0d3475ad9584969c7908ba681a3f5bfa (diff) | |
download | qtlocation-mapboxgl-upstream/mikhail_LayerTypeInfo.tar.gz |
[core][android] Introduce mbgl::style::LayerTypeInfoupstream/mikhail_LayerTypeInfo
The `LayerTypeInfo` contains static meta data about certain layer type.
Each layer module should have a single immutable `LayerTypeInfo` instance
for the represented layer type. Both `LayerImpl` and `LayerFactory` from the
module always refer to the same `LayerTypeInfo` instance, so address of this
instance can be used as a layer module Id during the process life time.
Diffstat (limited to 'src/mbgl/style/layers/raster_layer.cpp')
-rw-r--r-- | src/mbgl/style/layers/raster_layer.cpp | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/src/mbgl/style/layers/raster_layer.cpp b/src/mbgl/style/layers/raster_layer.cpp index d9ac1add42..8e7c768680 100644 --- a/src/mbgl/style/layers/raster_layer.cpp +++ b/src/mbgl/style/layers/raster_layer.cpp @@ -14,6 +14,10 @@ namespace mbgl { namespace style { +namespace { + const LayerTypeInfo typeInfoRaster{ "raster", LayerTypeInfo::SourceRequired }; +} // namespace + RasterLayer::RasterLayer(const std::string& layerID, const std::string& sourceID) : Layer(makeMutable<Impl>(LayerType::Raster, layerID, sourceID)) { } @@ -42,8 +46,8 @@ std::unique_ptr<Layer> RasterLayer::cloneRef(const std::string& id_) const { void RasterLayer::Impl::stringifyLayout(rapidjson::Writer<rapidjson::StringBuffer>&) const { } -LayerFactory* RasterLayer::Impl::getLayerFactory() const noexcept { - return RasterLayerFactory::get(); +const LayerTypeInfo* RasterLayer::Impl::getTypeInfo() const noexcept { + return &typeInfoRaster; } // Layout properties @@ -514,23 +518,12 @@ Mutable<Layer::Impl> RasterLayer::mutableBaseImpl() const { return staticMutableCast<Layer::Impl>(mutableImpl()); } -RasterLayerFactory* RasterLayerFactory::instance = nullptr; - -RasterLayerFactory::RasterLayerFactory() { - assert(!instance); - instance = this; -} +RasterLayerFactory::RasterLayerFactory() = default; RasterLayerFactory::~RasterLayerFactory() = default; -// static -RasterLayerFactory* RasterLayerFactory::get() noexcept { - assert(instance); - return instance; -} - -bool RasterLayerFactory::supportsType(const std::string& type) const noexcept { - return type == "raster"; +const LayerTypeInfo* RasterLayerFactory::getTypeInfo() const noexcept { + return &typeInfoRaster; } std::unique_ptr<style::Layer> RasterLayerFactory::createLayer(const std::string& id, const conversion::Convertible& value) { |