bin/ui/view_manager/view_impl.h

// Copyright 2015 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_BIN_UI_VIEW_MANAGER_VIEW_IMPL_H_
#define GARNET_BIN_UI_VIEW_MANAGER_VIEW_IMPL_H_

#include "lib/ui/views/fidl/views.fidl.h"
#include "lib/fidl/cpp/bindings/binding_set.h"
#include "lib/fxl/macros.h"

namespace view_manager {

class ViewRegistry;
class ViewState;

// View interface implementation.
// This object is owned by its associated ViewState.
class ViewImpl : public mozart::View,
                 public mozart::ViewContainer,
                 public mozart::ViewOwner,
                 public app::ServiceProvider {
 public:
  ViewImpl(ViewRegistry* registry, ViewState* state);
  ~ViewImpl() override;

 private:
  // |View|:
  void GetToken(const mozart::View::GetTokenCallback& callback) override;
  void GetServiceProvider(fidl::InterfaceRequest<app::ServiceProvider>
                              service_provider_request) override;
  void OfferServiceProvider(
      fidl::InterfaceHandle<app::ServiceProvider> service_provider,
      fidl::Array<fidl::String> service_names) override;
  void GetContainer(fidl::InterfaceRequest<mozart::ViewContainer>
                        view_container_request) override;

  // |ViewContainer|:
  void SetListener(
      fidl::InterfaceHandle<mozart::ViewContainerListener> listener) override;
  void AddChild(uint32_t child_key,
                fidl::InterfaceHandle<mozart::ViewOwner> child_view_owner,
                zx::eventpair host_import_token) override;
  void RemoveChild(uint32_t child_key,
                   fidl::InterfaceRequest<mozart::ViewOwner>
                       transferred_view_owner_request) override;
  void SetChildProperties(
      uint32_t child_key,
      mozart::ViewPropertiesPtr child_view_properties) override;
  void RequestFocus(uint32_t child_key) override;

  // |app::ServiceProvider|:
  void ConnectToService(const fidl::String& service_name,
                        zx::channel client_handle) override;

  ViewRegistry* const registry_;
  ViewState* const state_;
  fidl::BindingSet<app::ServiceProvider> service_provider_bindings_;
  fidl::BindingSet<mozart::ViewContainer> container_bindings_;

  FXL_DISALLOW_COPY_AND_ASSIGN(ViewImpl);
};

}  // namespace view_manager

#endif  // GARNET_BIN_UI_VIEW_MANAGER_VIEW_IMPL_H_