peridot/examples/swap_cpp/module.cc

// Copyright 2016 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.

#include "peridot/examples/swap_cpp/module.h"

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

#include <utility>

namespace modular_example {

ModuleView::ModuleView(scenic::ViewContext view_context, uint32_t color)
    : BaseView(std::move(view_context), "ModuleView"), background_node_(session()) {
  scenic::Material background_material(session());
  background_material.SetColor((color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff,
                               (color >> 24) & 0xff);
  background_node_.SetMaterial(background_material);
  root_node().AddChild(background_node_);
}

void ModuleView::OnPropertiesChanged(fuchsia::ui::gfx::ViewProperties) {
  scenic::Rectangle background_shape(session(), logical_size().x, logical_size().y);
  background_node_.SetShape(background_shape);
  background_node_.SetTranslation(logical_size().x * .5f, logical_size().y * .5f, 0.f);
}

ModuleApp::ModuleApp(sys::ComponentContext* const component_context, CreateViewCallback create)
    : ViewApp(component_context),
      create_(std::move(create)),
      component_context_(std::unique_ptr<sys::ComponentContext>(component_context)) {
  // TODO(CF-710): use component_context() instead of StartupContext.
}

void ModuleApp::CreateView(zx::eventpair view_token,
                           fidl::InterfaceRequest<fuchsia::sys::ServiceProvider> incoming_services,
                           fidl::InterfaceHandle<fuchsia::sys::ServiceProvider> outgoing_services) {
  auto scenic = component_context()->svc()->Connect<fuchsia::ui::scenic::Scenic>();
  scenic::ViewContext context = {
      .session_and_listener_request =
          scenic::CreateScenicSessionPtrAndListenerRequest(scenic.get()),
      .view_token = fuchsia::ui::views::ViewToken{.value = std::move(view_token)},
      .incoming_services = std::move(incoming_services),
      .outgoing_services = std::move(outgoing_services),
      .component_context = component_context_.get(),
  };

  view_.reset(create_(std::move(context)));
}

}  // namespace modular_example