| // Copyright 2017 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_SCENE_MANAGER_APP_H_ |
| #define GARNET_EXAMPLES_UI_HELLO_SCENE_MANAGER_APP_H_ |
| |
| #include "lib/app/cpp/application_context.h" |
| |
| #include "lib/fsl/tasks/message_loop.h" |
| |
| #include "lib/ui/scenic/client/resources.h" |
| #include "lib/ui/scenic/client/session.h" |
| |
| namespace hello_scene_manager { |
| |
| class App { |
| public: |
| App(); |
| |
| private: |
| // Called asynchronously by constructor. |
| void Init(scenic::DisplayInfoPtr display_info); |
| |
| // Updates and presents the scene. Called first by Init(). Each invocation |
| // schedules another call to Update() when the result of the previous |
| // presentation is asynchronously received. |
| void Update(uint64_t next_presentation_time); |
| |
| void CreateExampleScene(float display_width, float display_height); |
| |
| void ReleaseSessionResources(); |
| |
| void InitCheckerboardMaterial(scenic_lib::Material* uninitialized_material); |
| |
| std::unique_ptr<app::ApplicationContext> application_context_; |
| fsl::MessageLoop* loop_; |
| scenic::SceneManagerPtr scene_manager_; |
| |
| std::unique_ptr<scenic_lib::Session> session_; |
| std::unique_ptr<scenic_lib::DisplayCompositor> compositor_; |
| std::unique_ptr<scenic_lib::Camera> camera_; |
| |
| std::unique_ptr<scenic_lib::ShapeNode> rrect_node_; |
| std::unique_ptr<scenic_lib::ShapeNode> clipper_1_; |
| std::unique_ptr<scenic_lib::ShapeNode> clipper_2_; |
| |
| // Time of the first update. Animation of the "pane" content is based on the |
| // time elapsed since this time. |
| uint64_t start_time_ = 0; |
| // The camera alternates between moving toward and away from the stage. This |
| // time is the timestamp that the last change of direction occurred. |
| uint64_t camera_anim_start_time_; |
| bool camera_anim_returning_ = false; |
| }; |
| |
| } // namespace hello_scene_manager |
| |
| #endif // GARNET_EXAMPLES_UI_HELLO_SCENE_MANAGER_APP_H_ |