[ios, macos] Add selection support to MGLMultiPoint annotations. (#9984)

* [ios, macos] Add selection support to MGLMultiPoint annotations.

* [ios, macos] Update changelogs.

6 files changed, 41 insertions, 1 deletions

diff --git a/src/mbgl/annotation/annotation_manager.cpp b/src/mbgl/annotation/annotation_manager.cpp
index 1f2d01e9eb..a4d53bbd3f 100644
--- a/src/mbgl/annotation/annotation_manager.cpp
+++ b/src/mbgl/annotation/annotation_manager.cpp
@@ -18,6 +18,7 @@ using namespace style;
 
 const std::string AnnotationManager::SourceID = "com.mapbox.annotations";
 const std::string AnnotationManager::PointLayerID = "com.mapbox.annotations.points";
+const std::string AnnotationManager::ShapeLayerID = "com.mapbox.annotations.shape.";
 
 AnnotationManager::AnnotationManager(Style& style_)
         : style(style_) {
diff --git a/src/mbgl/annotation/annotation_manager.hpp b/src/mbgl/annotation/annotation_manager.hpp
index a028a8f1ba..22b25cd2ac 100644
--- a/src/mbgl/annotation/annotation_manager.hpp
+++ b/src/mbgl/annotation/annotation_manager.hpp
@@ -46,6 +46,7 @@ public:
 
     static const std::string SourceID;
     static const std::string PointLayerID;
+    static const std::string ShapeLayerID;
 
 private:
     void add(const AnnotationID&, const SymbolAnnotation&, const uint8_t);
diff --git a/src/mbgl/annotation/shape_annotation_impl.cpp b/src/mbgl/annotation/shape_annotation_impl.cpp
index 0c1a631ad8..9288159b6a 100644
--- a/src/mbgl/annotation/shape_annotation_impl.cpp
+++ b/src/mbgl/annotation/shape_annotation_impl.cpp
@@ -1,5 +1,6 @@
 #include <mbgl/annotation/shape_annotation_impl.hpp>
 #include <mbgl/annotation/annotation_tile.hpp>
+#include <mbgl/annotation/annotation_manager.hpp>
 #include <mbgl/tile/tile_id.hpp>
 #include <mbgl/math/wrap.hpp>
 #include <mbgl/math/clamp.hpp>
@@ -15,7 +16,7 @@ namespace geojsonvt = mapbox::geojsonvt;
 ShapeAnnotationImpl::ShapeAnnotationImpl(const AnnotationID id_, const uint8_t maxZoom_)
     : id(id_),
       maxZoom(maxZoom_),
-      layerID("com.mapbox.annotations.shape." + util::toString(id)) {
+      layerID(AnnotationManager::ShapeLayerID + util::toString(id)) {
 }
 
 void ShapeAnnotationImpl::updateTileData(const CanonicalTileID& tileID, AnnotationTileData& data) {
diff --git a/src/mbgl/renderer/renderer.cpp b/src/mbgl/renderer/renderer.cpp
index e915f5e146..8953b419f7 100644
--- a/src/mbgl/renderer/renderer.cpp
+++ b/src/mbgl/renderer/renderer.cpp
@@ -57,6 +57,21 @@ AnnotationIDs Renderer::queryPointAnnotations(const ScreenBox& box) const {
     RenderedQueryOptions options;
     options.layerIDs = {{ AnnotationManager::PointLayerID }};
     auto features = queryRenderedFeatures(box, options);
+    return getAnnotationIDs(features);
+}
+
+AnnotationIDs Renderer::queryShapeAnnotations(const ScreenBox& box) const {
+    auto features = impl->queryShapeAnnotations({
+        box.min,
+        {box.max.x, box.min.y},
+        box.max,
+        {box.min.x, box.max.y},
+        box.min
+    });
+    return getAnnotationIDs(features);
+}
+    
+AnnotationIDs Renderer::getAnnotationIDs(const std::vector<Feature>& features) const {
     std::set<AnnotationID> set;
     for (auto &feature : features) {
         assert(feature.id);
diff --git a/src/mbgl/renderer/renderer_impl.cpp b/src/mbgl/renderer/renderer_impl.cpp
index 6a8c18792e..7339756e52 100644
--- a/src/mbgl/renderer/renderer_impl.cpp
+++ b/src/mbgl/renderer/renderer_impl.cpp
@@ -629,6 +629,10 @@ std::vector<Feature> Renderer::Impl::queryRenderedFeatures(const ScreenLineStrin
         }
     }
 
+    return queryRenderedFeatures(geometry, options, layers);
+}
+
+std::vector<Feature> Renderer::Impl::queryRenderedFeatures(const ScreenLineString& geometry, const RenderedQueryOptions& options, const std::vector<const RenderLayer*>& layers) const {
     std::unordered_set<std::string> sourceIDs;
     for (const RenderLayer* layer : layers) {
         sourceIDs.emplace(layer->baseImpl->source);
@@ -663,6 +667,21 @@ std::vector<Feature> Renderer::Impl::queryRenderedFeatures(const ScreenLineStrin
     return result;
 }
 
+std::vector<Feature> Renderer::Impl::queryShapeAnnotations(const ScreenLineString& geometry) const {
+    std::vector<const RenderLayer*> shapeAnnotationLayers;
+    RenderedQueryOptions options;
+    for (const auto& layerImpl : *layerImpls) {
+        if (std::mismatch(layerImpl->id.begin(), layerImpl->id.end(),
+                          AnnotationManager::ShapeLayerID.begin(), AnnotationManager::ShapeLayerID.end()).second == AnnotationManager::ShapeLayerID.end()) {
+            if (const RenderLayer* layer = getRenderLayer(layerImpl->id)) {
+                shapeAnnotationLayers.emplace_back(layer);
+            }
+        }
+    }
+
+    return queryRenderedFeatures(geometry, options, shapeAnnotationLayers);
+}
+
 std::vector<Feature> Renderer::Impl::querySourceFeatures(const std::string& sourceID, const SourceQueryOptions& options) const {
     const RenderSource* source = getRenderSource(sourceID);
     if (!source) return {};
diff --git a/src/mbgl/renderer/renderer_impl.hpp b/src/mbgl/renderer/renderer_impl.hpp
index 30e7f70722..db2a6e7a74 100644
--- a/src/mbgl/renderer/renderer_impl.hpp
+++ b/src/mbgl/renderer/renderer_impl.hpp
@@ -49,6 +49,7 @@ public:
 
     std::vector<Feature> queryRenderedFeatures(const ScreenLineString&, const RenderedQueryOptions&) const;
     std::vector<Feature> querySourceFeatures(const std::string& sourceID, const SourceQueryOptions&) const;
+    std::vector<Feature> queryShapeAnnotations(const ScreenLineString&) const;
 
     void onLowMemory();
     void dumDebugLogs();
@@ -61,6 +62,8 @@ private:
 
           RenderLayer* getRenderLayer(const std::string& id);
     const RenderLayer* getRenderLayer(const std::string& id) const;
+                           
+    std::vector<Feature> queryRenderedFeatures(const ScreenLineString&, const RenderedQueryOptions&, const std::vector<const RenderLayer*>&) const;
 
     // GlyphManagerObserver implementation.
     void onGlyphsError(const FontStack&, const GlyphRange&, std::exception_ptr) override;