lib/ui/window/window.h

// 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_LIB_UI_WINDOW_WINDOW_H_
#define FLUTTER_LIB_UI_WINDOW_WINDOW_H_

#include <functional>
#include <string>
#include <unordered_map>
#include <vector>

#include "flutter/lib/ui/window/key_data_packet.h"
#include "flutter/lib/ui/window/platform_message.h"
#include "flutter/lib/ui/window/pointer_data_packet.h"
#include "flutter/lib/ui/window/viewport_metrics.h"
#include "third_party/skia/include/gpu/GrDirectContext.h"
#include "third_party/tonic/dart_persistent_value.h"

namespace flutter {
class Window final {
 public:
  Window(int64_t window_id, ViewportMetrics metrics);

  ~Window();

  int window_id() const { return window_id_; }

  const ViewportMetrics& viewport_metrics() const { return viewport_metrics_; }

  // Dispatch a packet to the framework that indicates one or a few pointer
  // events.
  void DispatchPointerDataPacket(const PointerDataPacket& packet);
  // Dispatch a packet to the framework that indicates a key event.
  //
  // The `response_id` is used to label the response of whether the key event
  // is handled by the framework, typically the return value of
  // PlatformConfiguration::RegisterKeyDataResponse.
  // It should be used later in
  // PlatformConfiguration::CompleteKeyDataResponse.
  void DispatchKeyDataPacket(const KeyDataPacket& packet, uint64_t response_id);
  void UpdateWindowMetrics(const ViewportMetrics& metrics);

 private:
  tonic::DartPersistentValue library_;
  int64_t window_id_;
  ViewportMetrics viewport_metrics_;
};

}  // namespace flutter

#endif  // FLUTTER_LIB_UI_WINDOW_WINDOW_H_