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// Copyright 2012 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 <memory>
#include "base/at_exit.h"
#include "base/base_switches.h"
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/files/file_path.h"
#include "base/i18n/icu_util.h"
#include "base/memory/ptr_util.h"
#include "base/path_service.h"
#include "base/power_monitor/power_monitor.h"
#include "base/power_monitor/power_monitor_device_source.h"
#include "base/run_loop.h"
#include "base/test/scoped_run_loop_timeout.h"
#include "base/test/task_environment.h"
#include "base/test/test_discardable_memory_allocator.h"
#include "base/test/test_timeouts.h"
#include "build/build_config.h"
#include "components/viz/host/host_frame_sink_manager.h"
#include "components/viz/service/display_embedder/server_shared_bitmap_manager.h"
#include "components/viz/service/frame_sinks/frame_sink_manager_impl.h"
#include "mojo/core/embedder/embedder.h"
#include "ui/base/ime/init/input_method_initializer.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/ui_base_paths.h"
#include "ui/compositor/test/in_process_context_factory.h"
#include "ui/display/screen.h"
#include "ui/gfx/font_util.h"
#include "ui/gl/gl_switches.h"
#include "ui/gl/init/gl_factory.h"
#include "ui/views/buildflags.h"
#include "ui/views/examples/example_base.h"
#include "ui/views/examples/examples_window.h"
#include "ui/views/test/desktop_test_views_delegate.h"
#if defined(USE_AURA)
#include "ui/aura/env.h"
#include "ui/wm/core/wm_state.h"
#endif
#if BUILDFLAG(ENABLE_DESKTOP_AURA)
#include "ui/views/widget/desktop_aura/desktop_screen.h"
#endif
#if defined(OS_WIN)
#include "ui/base/win/scoped_ole_initializer.h"
#endif
#if defined(USE_OZONE)
#include "ui/ozone/public/ozone_platform.h"
#endif
#if defined(USE_X11)
#include "ui/gfx/x/x11_connection.h" // nogncheck
#endif
base::LazyInstance<base::TestDiscardableMemoryAllocator>::DestructorAtExit
g_discardable_memory_allocator = LAZY_INSTANCE_INITIALIZER;
int main(int argc, char** argv) {
#if defined(OS_WIN)
ui::ScopedOleInitializer ole_initializer;
#endif
base::CommandLine::Init(argc, argv);
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
// Disabling Direct Composition works around the limitation that
// InProcessContextFactory doesn't work with Direct Composition, causing the
// window to not render. See http://crbug.com/936249.
command_line->AppendSwitch(switches::kDisableDirectComposition);
base::FeatureList::InitializeInstance(
command_line->GetSwitchValueASCII(switches::kEnableFeatures),
command_line->GetSwitchValueASCII(switches::kDisableFeatures));
base::AtExitManager at_exit;
mojo::core::Init();
#if defined(USE_OZONE)
ui::OzonePlatform::InitParams params;
params.single_process = true;
ui::OzonePlatform::InitializeForGPU(params);
#endif
#if defined(USE_X11)
// This demo uses InProcessContextFactory which uses X on a separate Gpu
// thread.
gfx::InitializeThreadedX11();
#endif
gl::init::InitializeGLOneOff();
// The use of base::test::TaskEnvironment below relies on the timeout
// values from TestTimeouts. This ensures they're properly initialized.
TestTimeouts::Initialize();
// Viz depends on the task environment to correctly tear down.
base::test::TaskEnvironment task_environment(
base::test::TaskEnvironment::MainThreadType::UI);
// The ContextFactory must exist before any Compositors are created.
viz::HostFrameSinkManager host_frame_sink_manager;
viz::ServerSharedBitmapManager shared_bitmap_manager;
viz::FrameSinkManagerImpl frame_sink_manager(&shared_bitmap_manager);
host_frame_sink_manager.SetLocalManager(&frame_sink_manager);
frame_sink_manager.SetLocalClient(&host_frame_sink_manager);
auto context_factory = std::make_unique<ui::InProcessContextFactory>(
&host_frame_sink_manager, &frame_sink_manager);
context_factory->set_use_test_surface(false);
base::i18n::InitializeICU();
ui::RegisterPathProvider();
base::FilePath ui_test_pak_path;
CHECK(base::PathService::Get(ui::UI_TEST_PAK, &ui_test_pak_path));
ui::ResourceBundle::InitSharedInstanceWithPakPath(ui_test_pak_path);
base::DiscardableMemoryAllocator::SetInstance(
g_discardable_memory_allocator.Pointer());
base::PowerMonitor::Initialize(
std::make_unique<base::PowerMonitorDeviceSource>());
gfx::InitializeFonts();
#if defined(USE_AURA)
std::unique_ptr<aura::Env> env = aura::Env::CreateInstance();
aura::Env::GetInstance()->set_context_factory(context_factory.get());
#endif
ui::InitializeInputMethodForTesting();
{
views::DesktopTestViewsDelegate views_delegate;
#if defined(USE_AURA)
wm::WMState wm_state;
#endif
#if BUILDFLAG(ENABLE_DESKTOP_AURA)
std::unique_ptr<display::Screen> desktop_screen(
views::CreateDesktopScreen());
display::Screen::SetScreenInstance(desktop_screen.get());
#endif
// This app isn't a test and shouldn't timeout.
base::test::ScopedDisableRunLoopTimeout disable_timeout;
base::RunLoop run_loop;
views::examples::ShowExamplesWindow(run_loop.QuitClosure());
run_loop.Run();
ui::ResourceBundle::CleanupSharedInstance();
}
ui::ShutdownInputMethod();
#if defined(USE_AURA)
env.reset();
#endif
return 0;
}
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