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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/updater/app/app.h"
#include <string>
#include <utility>
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/run_loop.h"
#include "base/threading/thread_restrictions.h"
#include "chrome/updater/constants.h"
#include "chrome/updater/updater_scope.h"
#include "third_party/abseil-cpp/absl/cleanup/cleanup.h"
namespace updater {
App::App() = default;
App::~App() = default;
int App::Initialize() {
return kErrorOk;
}
int App::Run() {
int exit_code = Initialize();
if (exit_code != kErrorOk) {
return exit_code;
}
absl::Cleanup uninitialize = [this] { Uninitialize(); };
return RunTasks();
}
int App::RunTasks() {
int exit_code = kErrorOk;
base::ScopedDisallowBlocking no_blocking_allowed_on_ui_thread;
base::RunLoop runloop;
quit_ = base::BindOnce(
[](base::OnceClosure quit, int* exit_code_out, int exit_code) {
*exit_code_out = exit_code;
std::move(quit).Run();
},
runloop.QuitWhenIdleClosure(), &exit_code);
FirstTaskRun();
runloop.Run();
return exit_code;
}
void App::Shutdown(int exit_code) {
if (quit_.is_null()) {
// It's possible for shutdown to be called twice, since the runloop exits
// only when idle. The exit code of the first shutdown will be used.
return;
}
// TODO(crbug.com/40259598): for non-silent scenarios where UI is not
// otherwise shown, some UI is needed here if exit_code indicates a failure.
std::move(quit_).Run(exit_code);
}
UpdaterScope App::updater_scope() const {
return updater_scope_;
}
} // namespace updater
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