[general] moving ios and android project under ./platform folder

render-test/file_source.hpp

@@ -0,0 +1,50 @@
+#pragma once
+
+#include <mbgl/storage/file_source.hpp>
+
+namespace mbgl {
+
+class ResourceOptions;
+
+class ProxyFileSource : public FileSource {
+public:
+    ProxyFileSource(std::shared_ptr<FileSource>, const ResourceOptions&);
+    ~ProxyFileSource();
+
+    std::unique_ptr<AsyncRequest> request(const Resource&, Callback) override;
+    bool canRequest(const Resource&) const override { return true; }
+
+    /**
+     * @brief Flag to change the networking mode of the file source.
+     */
+    static void setOffline(bool);
+
+    /**
+     * @brief Starts/stops metrics tracking.
+     */
+    static void setTrackingActive(bool);
+
+    /**
+     * @brief Returns metrics tracking status.
+     */
+    static bool isTrackingActive();
+
+    /**
+     * @brief Returns the total amount of requests.
+     *
+     * @return size_t
+     */
+    static size_t getRequestCount();
+
+    /**
+     * @brief Returns the size of transferred data (in bytes).
+     *
+     * @return size_t
+     */
+    static size_t getTransferredSize();
+
+private:
+    std::shared_ptr<FileSource> defaultResourceLoader;
+};
+
+} // namespace mbgl