aiks_playground_inspector.h

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef FLUTTER_IMPELLER_AIKS_AIKS_PLAYGROUND_INSPECTOR_H_
#define FLUTTER_IMPELLER_AIKS_AIKS_PLAYGROUND_INSPECTOR_H_
 
#include <functional>
#include <optional>
 
#include "flutter/fml/macros.h"
#include "impeller/aiks/aiks_context.h"
#include "impeller/aiks/picture.h"
#include "impeller/core/capture.h"
#include "impeller/renderer/context.h"
 
namespace impeller {
 
class AiksInspector {
 public:
  AiksInspector();
 
  const std::optional<Picture>& RenderInspector(
      AiksContext& aiks_context,
      const std::function<std::optional<Picture>()>& picture_callback);
 
  // Resets (releases) the underlying |Picture| object.
  //
  // Underlying issue: <https://github.com/flutter/flutter/issues/134678>.
  //
  // The tear-down code is not running in the right order; we still have a
  // reference to the |Picture| object when the |Context| is being destroyed,
  // which causes the |Texture| objects to leak.
  //
  // TODO(matanlurey): https://github.com/flutter/flutter/issues/134748.
  void HackResetDueToTextureLeaks();
 
 private:
  void RenderCapture(CaptureContext& capture_context);
  void RenderCaptureElement(CaptureElement& element);
 
  bool capturing_ = false;
  bool wireframe_ = false;
  CaptureElement* hovered_element_ = nullptr;
  CaptureElement* selected_element_ = nullptr;
  std::optional<Picture> last_picture_;
 
  AiksInspector(const AiksInspector&) = delete;
 
  AiksInspector& operator=(const AiksInspector&) = delete;
};
 
};  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_AIKS_AIKS_PLAYGROUND_INSPECTOR_H_