[android] rendering interface changes

platform/android/src/android_renderer_frontend.cpp

@@ -0,0 +1,70 @@
+#include "android_renderer_frontend.hpp"
+
+#include <mbgl/map/view.hpp>
+#include <mbgl/renderer/renderer.hpp>
+
+namespace mbgl {
+namespace android {
+
+AndroidRendererFrontend::AndroidRendererFrontend(
+        std::unique_ptr<Renderer> renderer_,
+        InvalidateCallback invalidate)
+        : renderer(std::move(renderer_))
+        , asyncInvalidate([=, invalidate=std::move(invalidate)]() {
+            invalidate();
+        }) {
+}
+
+AndroidRendererFrontend::~AndroidRendererFrontend() = default;
+
+void AndroidRendererFrontend::reset() {
+    assert (renderer);
+    if (renderer) {
+        renderer.reset();
+    }
+}
+
+void AndroidRendererFrontend::setObserver(RendererObserver& observer) {
+    assert (renderer);
+    renderer->setObserver(&observer);
+}
+
+void AndroidRendererFrontend::update(std::shared_ptr<UpdateParameters> params) {
+    updateParameters = std::move(params);
+    asyncInvalidate.send();
+}
+
+void AndroidRendererFrontend::render(View& view) {
+    assert (renderer);
+    if (!updateParameters) return;
+
+    renderer->render(view, *updateParameters);
+}
+
+void AndroidRendererFrontend::onLowMemory() {
+    assert (renderer);
+    renderer->onLowMemory();
+}
+
+std::vector<Feature> AndroidRendererFrontend::querySourceFeatures(const std::string& sourceID,
+                                                                  const SourceQueryOptions& options) const {
+    return renderer->querySourceFeatures(sourceID, options);
+}
+
+std::vector<Feature> AndroidRendererFrontend::queryRenderedFeatures(const ScreenBox& box,
+                                                                    const RenderedQueryOptions& options) const {
+    return renderer->queryRenderedFeatures(box, options);
+}
+
+std::vector<Feature> AndroidRendererFrontend::queryRenderedFeatures(const ScreenCoordinate& point,
+                                                                    const RenderedQueryOptions& options) const {
+    return renderer->queryRenderedFeatures(point, options);
+}
+
+AnnotationIDs AndroidRendererFrontend::queryPointAnnotations(const ScreenBox& box) const {
+    return renderer->queryPointAnnotations(box);
+}
+
+} // namespace android
+} // namespace mbgl
+