nodegraphhandler.h

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#ifndef ION_REMOTE_NODEGRAPHHANDLER_H_
#define ION_REMOTE_NODEGRAPHHANDLER_H_

#include <string>
#include <vector>

#include "ion/gfx/node.h"
#include "ion/gfxutils/frame.h"
#include "ion/gfxutils/printer.h"
#include "ion/remote/httpserver.h"

namespace ion {
namespace remote {

class ION_API NodeGraphHandler : public HttpServer::RequestHandler {
 public:
  NodeGraphHandler();
  ~NodeGraphHandler() override;

  void SetFrame(const gfxutils::FramePtr& frame) { frame_ = frame; }
  const gfxutils::FramePtr& GetFrame() const { return frame_; }

  void AddNode(const gfx::NodePtr& node);

  bool RemoveNode(const gfx::NodePtr& node);

  bool IsNodeTracked(const gfx::NodePtr& node) const;

  size_t GetTrackedNodeCount() const { return nodes_.size(); }

  const std::string HandleRequest(const std::string& path,
                                  const HttpServer::QueryMap& args,
                                  std::string* content_type) override;

 private:
  void SetUpPrinter(const HttpServer::QueryMap& args,
                    gfxutils::Printer* printer);

  const std::string GetPrintString(gfxutils::Printer* printer);

  std::vector<gfx::NodePtr> nodes_;
  gfxutils::FramePtr frame_;
};
typedef base::ReferentPtr<NodeGraphHandler>::Type NodeGraphHandlerPtr;

}  // namespace remote
}  // namespace ion

#endif  // ION_REMOTE_NODEGRAPHHANDLER_H_