| // 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_ROOT_PRESENTER_APP_H_ |
| #define GARNET_BIN_UI_ROOT_PRESENTER_APP_H_ |
| |
| #include <limits> |
| #include <memory> |
| #include <vector> |
| |
| #include <fuchsia/ui/input/cpp/fidl.h> |
| #include <fuchsia/ui/policy/cpp/fidl.h> |
| #include <fuchsia/ui/viewsv1/cpp/fidl.h> |
| |
| #include "garnet/bin/ui/input_reader/input_reader.h" |
| #include "garnet/bin/ui/root_presenter/presentation1.h" |
| #include "garnet/bin/ui/root_presenter/presentation2.h" |
| #include "lib/component/cpp/startup_context.h" |
| #include "lib/fidl/cpp/binding_set.h" |
| #include "lib/fxl/command_line.h" |
| #include "lib/fxl/macros.h" |
| #include "lib/ui/input/input_device_impl.h" |
| #include "lib/ui/scenic/cpp/resources.h" |
| |
| namespace root_presenter { |
| |
| class Presentation1; |
| |
| // The presenter provides a |fuchsia::ui::policy::Presenter| service which |
| // displays UI by attaching the provided view to the root of a new view tree |
| // associated with a new renderer. |
| // |
| // Any number of view trees can be created, although multi-display support |
| // and input routing is not fully supported (TODO). |
| class App : public fuchsia::ui::policy::Presenter, |
| public fuchsia::ui::policy::Presenter2, |
| public fuchsia::ui::input::InputDeviceRegistry, |
| public mozart::InputDeviceImpl::Listener { |
| public: |
| explicit App(const fxl::CommandLine& command_line); |
| ~App(); |
| |
| // |InputDeviceImpl::Listener| |
| void OnDeviceDisconnected(mozart::InputDeviceImpl* input_device) override; |
| void OnReport(mozart::InputDeviceImpl* input_device, |
| fuchsia::ui::input::InputReport report) override; |
| |
| private: |
| // |Presenter| |
| void Present2(zx::eventpair view_holder_token, |
| fidl::InterfaceRequest<fuchsia::ui::policy::Presentation> |
| presentation_request) final; |
| |
| // |Presenter| |
| void HACK_SetRendererParams( |
| bool enable_clipping, |
| std::vector<fuchsia::ui::gfx::RendererParam> params) override; |
| |
| // |Presenter2| |
| void PresentView(zx::eventpair view_holder_token, |
| fidl::InterfaceRequest<fuchsia::ui::policy::Presentation> |
| presentation_request) override; |
| |
| // |InputDeviceRegistry| |
| void RegisterDevice(fuchsia::ui::input::DeviceDescriptor descriptor, |
| fidl::InterfaceRequest<fuchsia::ui::input::InputDevice> |
| input_device_request) override; |
| |
| void InitializeServices(); |
| void Reset(); |
| |
| void AddPresentation(std::unique_ptr<Presentation> presentation); |
| void SwitchToPresentation(size_t presentation_idx); |
| void SwitchToNextPresentation(); |
| void SwitchToPreviousPresentation(); |
| |
| Presentation::YieldCallback GetYieldCallback(); |
| Presentation::ShutdownCallback GetShutdownCallback( |
| Presentation* presentation); |
| |
| std::unique_ptr<component::StartupContext> startup_context_; |
| fidl::BindingSet<fuchsia::ui::policy::Presenter> presenter_bindings_; |
| fidl::BindingSet<fuchsia::ui::policy::Presenter2> presenter2_bindings_; |
| fidl::BindingSet<fuchsia::ui::input::InputDeviceRegistry> |
| input_receiver_bindings_; |
| mozart::InputReader input_reader_; |
| |
| fuchsia::ui::scenic::ScenicPtr scenic_; |
| std::unique_ptr<scenic::Session> session_; |
| |
| // Today, we have a global, singleton compositor, and it is managed solely by |
| // a root presenter. Hence, a single resource ID is sufficient to identify it. |
| // Additionally, it is a system invariant that any compositor is created and |
| // managed by a root presenter. We may relax these constraints in the |
| // following order: |
| // * Root presenter creates multiple compositors. Here, a resource ID for each |
| // compositor would still be sufficient to uniquely identify it. |
| // * Root presenter delegates the creation of compositors. Here, we would |
| // need to generalize the identifier to include the delegate's session ID. |
| std::unique_ptr<scenic::DisplayCompositor> compositor_; |
| std::unique_ptr<scenic::LayerStack> layer_stack_; |
| |
| RendererParams renderer_params_; |
| std::vector<std::unique_ptr<Presentation>> presentations_; |
| // A valid index into presentations_, otherwise size_t::max(). |
| size_t active_presentation_idx_ = std::numeric_limits<size_t>::max(); |
| |
| uint32_t next_device_token_ = 0; |
| std::unordered_map<uint32_t, std::unique_ptr<mozart::InputDeviceImpl>> |
| devices_by_id_; |
| |
| FXL_DISALLOW_COPY_AND_ASSIGN(App); |
| }; |
| |
| } // namespace root_presenter |
| |
| #endif // GARNET_BIN_UI_ROOT_PRESENTER_APP_H_ |