// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module mojo;

import "mojo/services/public/interfaces/geometry/geometry.mojom";
import "mojo/services/public/interfaces/gpu/command_buffer.mojom";
import "mojo/services/public/interfaces/input_events/input_events.mojom";
import "mojo/services/public/interfaces/surfaces/surface_id.mojom";

[Client=NativeViewportClient]
interface NativeViewport {
  // TODO(sky): having a create function is awkward. Should there be a factory
  // to create the NativeViewport that takes the size?
  Create(Size size) => (uint64 native_viewport_id);
  Show();
  Hide();
  Close();
  SetSize(Size size);
  SubmittedFrame(SurfaceId surface_id);
  SetEventDispatcher(NativeViewportEventDispatcher dispatcher);
};

interface NativeViewportEventDispatcher {
  OnEvent(Event event) => ();
};

interface NativeViewportClient {
  // OnSizeChanged() is sent at least once after the callback from Create() is
  // called.
  OnSizeChanged(Size size);
  OnDestroyed();
};