examples/ui/hello_base_view/view.h

// Copyright 2018 The Fuchsia 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 GARNET_EXAMPLES_UI_HELLO_BASE_VIEW_VIEW_H_
#define GARNET_EXAMPLES_UI_HELLO_BASE_VIEW_VIEW_H_

#include <fuchsia/ui/scenic/cpp/fidl.h>

#include "lib/ui/base_view/cpp/base_view.h"
#include "lib/ui/scenic/cpp/resources.h"

namespace hello_base_view {

// Example implementation of BaseView, designed to launch and embed an instance
// of shadertoy_client.
class ShadertoyEmbedderView : public scenic::BaseView {
 public:
  ShadertoyEmbedderView(
      component::StartupContext* startup_context,
      scenic::SessionPtrAndListenerRequest session_and_listener_request,
      zx::eventpair view_token);
  ~ShadertoyEmbedderView();

  void LaunchShadertoyClient();

  // |scenic::BaseView|.
  void OnPropertiesChanged(
      fuchsia::ui::gfx::ViewProperties old_properties) override;

  // |scenic::BaseView|.
  void OnSceneInvalidated(
      fuchsia::images::PresentationInfo presentation_info) override;

 private:
  // |scenic::SessionListener|.
  void OnError(fidl::StringPtr error) override {}

  scenic::EntityNode node_;
  scenic::ShapeNode background_;

  scenic::BaseView::EmbeddedViewInfo embedded_view_info_;
  std::unique_ptr<scenic::ViewHolder> view_holder_;
};

}  // namespace hello_base_view

#endif  // GARNET_EXAMPLES_UI_HELLO_BASE_VIEW_VIEW_H_