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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/ozone/platform/headless/ozone_platform_headless.h"
#include <memory>
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/no_destructor.h"
#include "build/build_config.h"
#include "build/chromecast_buildflags.h"
#include "ui/base/cursor/cursor_factory.h"
#include "ui/base/ime/input_method_minimal.h"
#include "ui/display/types/native_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/ozone/common/bitmap_cursor_factory.h"
#include "ui/ozone/common/stub_overlay_manager.h"
#include "ui/ozone/platform/headless/headless_screen.h"
#include "ui/ozone/platform/headless/headless_surface_factory.h"
#include "ui/ozone/platform/headless/headless_window.h"
#include "ui/ozone/platform/headless/headless_window_manager.h"
#include "ui/ozone/public/gpu_platform_support_host.h"
#include "ui/ozone/public/input_controller.h"
#include "ui/ozone/public/ozone_switches.h"
#include "ui/ozone/public/stub_input_controller.h"
#include "ui/ozone/public/system_input_injector.h"
#include "ui/platform_window/platform_window_init_properties.h"
#if BUILDFLAG(IS_FUCHSIA)
#include "ui/base/ime/fuchsia/input_method_fuchsia.h"
#endif
namespace ui {
namespace {
// A headless implementation of PlatformEventSource that we can instantiate to
// make
// sure that the PlatformEventSource has an instance while in unit tests.
class HeadlessPlatformEventSource : public PlatformEventSource {
public:
HeadlessPlatformEventSource() = default;
HeadlessPlatformEventSource(const HeadlessPlatformEventSource&) = delete;
HeadlessPlatformEventSource& operator=(const HeadlessPlatformEventSource&) =
delete;
~HeadlessPlatformEventSource() override = default;
};
// OzonePlatform for headless mode.
class OzonePlatformHeadlessImpl : public OzonePlatformHeadless {
public:
explicit OzonePlatformHeadlessImpl(const base::FilePath& dump_file)
: file_path_(dump_file) {}
OzonePlatformHeadlessImpl(const OzonePlatformHeadlessImpl&) = delete;
OzonePlatformHeadlessImpl& operator=(const OzonePlatformHeadlessImpl&) =
delete;
~OzonePlatformHeadlessImpl() override = default;
// OzonePlatformHeadless:
HeadlessWindowManager* GetHeadlessWindowManager() override {
return window_manager_.get();
}
// OzonePlatform:
ui::SurfaceFactoryOzone* GetSurfaceFactoryOzone() override {
return surface_factory_.get();
}
OverlayManagerOzone* GetOverlayManager() override {
return overlay_manager_.get();
}
CursorFactory* GetCursorFactory() override { return cursor_factory_.get(); }
InputController* GetInputController() override {
return input_controller_.get();
}
GpuPlatformSupportHost* GetGpuPlatformSupportHost() override {
return gpu_platform_support_host_.get();
}
std::unique_ptr<SystemInputInjector> CreateSystemInputInjector() override {
return nullptr; // no input injection support.
}
std::unique_ptr<PlatformWindow> CreatePlatformWindow(
PlatformWindowDelegate* delegate,
PlatformWindowInitProperties properties) override {
return std::make_unique<HeadlessWindow>(delegate, window_manager_.get(),
properties.bounds);
}
bool IsWindowCompositingSupported() const override { return true; }
std::unique_ptr<display::NativeDisplayDelegate> CreateNativeDisplayDelegate()
override {
return nullptr;
}
std::unique_ptr<PlatformScreen> CreateScreen() override {
return std::make_unique<HeadlessScreen>();
}
void InitScreen(PlatformScreen* screen) override {}
std::unique_ptr<InputMethod> CreateInputMethod(
ImeKeyEventDispatcher* ime_key_event_dispatcher,
gfx::AcceleratedWidget widget) override {
return std::make_unique<InputMethodMinimal>(ime_key_event_dispatcher);
}
// Desktop Linux, not CastOS.
#if BUILDFLAG(IS_LINUX) && !BUILDFLAG(IS_CASTOS)
const PlatformProperties& GetPlatformProperties() override {
static base::NoDestructor<OzonePlatform::PlatformProperties> properties;
static bool initialized = false;
if (!initialized) {
initialized = true;
}
return *properties;
}
#endif
bool InitializeUI(const InitParams& params) override {
window_manager_ = std::make_unique<HeadlessWindowManager>();
surface_factory_ = std::make_unique<HeadlessSurfaceFactory>(file_path_);
// This unbreaks tests that create their own.
if (!PlatformEventSource::GetInstance())
platform_event_source_ = std::make_unique<HeadlessPlatformEventSource>();
keyboard_layout_engine_ = std::make_unique<StubKeyboardLayoutEngine>();
KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(
keyboard_layout_engine_.get());
overlay_manager_ = std::make_unique<StubOverlayManager>();
input_controller_ = std::make_unique<StubInputController>();
cursor_factory_ = std::make_unique<BitmapCursorFactory>();
gpu_platform_support_host_.reset(CreateStubGpuPlatformSupportHost());
return true;
}
void InitializeGPU(const InitParams& params) override {
if (!surface_factory_)
surface_factory_ = std::make_unique<HeadlessSurfaceFactory>(file_path_);
}
private:
std::unique_ptr<KeyboardLayoutEngine> keyboard_layout_engine_;
std::unique_ptr<HeadlessWindowManager> window_manager_;
std::unique_ptr<HeadlessSurfaceFactory> surface_factory_;
std::unique_ptr<PlatformEventSource> platform_event_source_;
std::unique_ptr<CursorFactory> cursor_factory_;
std::unique_ptr<InputController> input_controller_;
std::unique_ptr<GpuPlatformSupportHost> gpu_platform_support_host_;
std::unique_ptr<OverlayManagerOzone> overlay_manager_;
base::FilePath file_path_;
};
} // namespace
OzonePlatform* CreateOzonePlatformHeadless() {
base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
base::FilePath location;
if (cmd->HasSwitch(switches::kOzoneDumpFile))
location = cmd->GetSwitchValuePath(switches::kOzoneDumpFile);
return new OzonePlatformHeadlessImpl(location);
}
} // namespace ui
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