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// Copyright 2018 The Chromium 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 "ui/ozone/platform/scenic/ozone_platform_scenic.h"
#include <memory>
#include <utility>
#include <vector>
#include "base/logging.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/message_loop/message_loop_current.h"
#include "ui/base/cursor/ozone/bitmap_cursor_factory_ozone.h"
#include "ui/display/manager/fake_display_delegate.h"
#include "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
#include "ui/events/ozone/layout/stub/stub_keyboard_layout_engine.h"
#include "ui/events/platform/platform_event_source.h"
#include "ui/events/system_input_injector.h"
#include "ui/ozone/common/stub_overlay_manager.h"
#include "ui/ozone/platform/scenic/scenic_gpu_host.h"
#include "ui/ozone/platform/scenic/scenic_gpu_service.h"
#include "ui/ozone/platform/scenic/scenic_surface_factory.h"
#include "ui/ozone/platform/scenic/scenic_window.h"
#include "ui/ozone/platform/scenic/scenic_window_manager.h"
#include "ui/ozone/platform_selection.h"
#include "ui/ozone/public/cursor_factory_ozone.h"
#include "ui/ozone/public/gpu_platform_support_host.h"
#include "ui/ozone/public/input_controller.h"
#include "ui/ozone/public/interfaces/scenic_gpu_service.mojom.h"
#include "ui/ozone/public/ozone_platform.h"
#include "ui/ozone/public/ozone_switches.h"
#include "ui/platform_window/platform_window_init_properties.h"
namespace ui {
namespace {
constexpr OzonePlatform::PlatformProperties kScenicPlatformProperties{
/*needs_view_token=*/true,
/*custom_frame_pref_default=*/false,
/*use_system_title_bar=*/false,
/*requires_mojo=*/true};
class ScenicPlatformEventSource : public ui::PlatformEventSource {
public:
ScenicPlatformEventSource() = default;
~ScenicPlatformEventSource() override = default;
private:
DISALLOW_COPY_AND_ASSIGN(ScenicPlatformEventSource);
};
// OzonePlatform for Scenic.
class OzonePlatformScenic
: public OzonePlatform,
public base::MessageLoopCurrent::DestructionObserver {
public:
OzonePlatformScenic() {}
~OzonePlatformScenic() override = default;
// OzonePlatform implementation.
ui::SurfaceFactoryOzone* GetSurfaceFactoryOzone() override {
return surface_factory_.get();
}
OverlayManagerOzone* GetOverlayManager() override {
return overlay_manager_.get();
}
CursorFactoryOzone* GetCursorFactoryOzone() override {
return cursor_factory_ozone_.get();
}
InputController* GetInputController() override {
return input_controller_.get();
}
GpuPlatformSupportHost* GetGpuPlatformSupportHost() override {
return scenic_gpu_host_.get();
}
std::unique_ptr<SystemInputInjector> CreateSystemInputInjector() override {
NOTIMPLEMENTED();
return nullptr;
}
std::unique_ptr<PlatformWindow> CreatePlatformWindow(
PlatformWindowDelegate* delegate,
PlatformWindowInitProperties properties) override {
if (!properties.view_token) {
NOTREACHED();
return nullptr;
}
return std::make_unique<ScenicWindow>(window_manager_.get(), delegate,
std::move(properties.view_token));
}
const PlatformProperties& GetPlatformProperties() override {
return kScenicPlatformProperties;
}
std::unique_ptr<display::NativeDisplayDelegate> CreateNativeDisplayDelegate()
override {
NOTIMPLEMENTED();
return std::make_unique<display::FakeDisplayDelegate>();
}
std::unique_ptr<PlatformScreen> CreateScreen() override {
return window_manager_->CreateScreen();
}
void InitializeUI(const InitParams& params) override {
if (!PlatformEventSource::GetInstance())
platform_event_source_ = std::make_unique<ScenicPlatformEventSource>();
KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(
std::make_unique<StubKeyboardLayoutEngine>());
window_manager_ = std::make_unique<ScenicWindowManager>();
overlay_manager_ = std::make_unique<StubOverlayManager>();
input_controller_ = CreateStubInputController();
cursor_factory_ozone_ = std::make_unique<BitmapCursorFactoryOzone>();
base::MessageLoopCurrent::Get()->AddDestructionObserver(this);
scenic_gpu_host_ = std::make_unique<ScenicGpuHost>(window_manager_.get());
scenic_gpu_host_ptr_ = scenic_gpu_host_->CreateHostProcessSelfBinding();
surface_factory_ =
std::make_unique<ScenicSurfaceFactory>(scenic_gpu_host_ptr_.get());
}
void InitializeGPU(const InitParams& params) override {
// TODO(spang, crbug.com/923445): Add message loop to GPU tests.
if (base::ThreadTaskRunnerHandle::IsSet()) {
scenic_gpu_service_ = std::make_unique<ScenicGpuService>(
mojo::MakeRequest(&scenic_gpu_host_ptr_));
}
DCHECK(!surface_factory_);
surface_factory_ =
std::make_unique<ScenicSurfaceFactory>(scenic_gpu_host_ptr_.get());
}
base::MessageLoop::Type GetMessageLoopTypeForGpu() override {
// Scenic FIDL calls require async dispatcher.
return base::MessageLoop::TYPE_IO;
}
void AddInterfaces(service_manager::BinderRegistry* registry) override {
registry->AddInterface<mojom::ScenicGpuService>(
scenic_gpu_service_->GetBinderCallback(),
base::ThreadTaskRunnerHandle::Get());
}
private:
// Performs graceful cleanup tasks on main message loop teardown.
void Shutdown() { window_manager_.reset(); }
// base::MessageLoopCurrent::DestructionObserver implementation.
void WillDestroyCurrentMessageLoop() override { Shutdown(); }
std::unique_ptr<ScenicWindowManager> window_manager_;
std::unique_ptr<PlatformEventSource> platform_event_source_;
std::unique_ptr<CursorFactoryOzone> cursor_factory_ozone_;
std::unique_ptr<InputController> input_controller_;
std::unique_ptr<OverlayManagerOzone> overlay_manager_;
std::unique_ptr<ScenicGpuHost> scenic_gpu_host_;
std::unique_ptr<ScenicGpuService> scenic_gpu_service_;
std::unique_ptr<ScenicSurfaceFactory> surface_factory_;
mojom::ScenicGpuHostPtr scenic_gpu_host_ptr_;
DISALLOW_COPY_AND_ASSIGN(OzonePlatformScenic);
};
} // namespace
OzonePlatform* CreateOzonePlatformScenic() {
return new OzonePlatformScenic();
}
} // namespace ui
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