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// Copyright 2017 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 "components/metrics/execution_phase.h"
#include "build/build_config.h"
#include "components/metrics/metrics_pref_names.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#if defined(OS_WIN)
#include "components/browser_watcher/stability_data_names.h"
#include "components/browser_watcher/stability_debugging.h"
#endif // defined(OS_WIN)
namespace metrics {
ExecutionPhaseManager::ExecutionPhaseManager(PrefService* local_state)
: local_state_(local_state) {}
ExecutionPhaseManager::~ExecutionPhaseManager() {}
// static
void ExecutionPhaseManager::RegisterPrefs(PrefRegistrySimple* registry) {
registry->RegisterIntegerPref(
prefs::kStabilityExecutionPhase,
static_cast<int>(ExecutionPhase::UNINITIALIZED_PHASE));
}
// static
ExecutionPhase ExecutionPhaseManager::execution_phase_ =
ExecutionPhase::UNINITIALIZED_PHASE;
void ExecutionPhaseManager::SetExecutionPhase(ExecutionPhase execution_phase) {
DCHECK(execution_phase != ExecutionPhase::START_METRICS_RECORDING ||
execution_phase_ == ExecutionPhase::UNINITIALIZED_PHASE);
execution_phase_ = execution_phase;
local_state_->SetInteger(prefs::kStabilityExecutionPhase,
static_cast<int>(execution_phase_));
#if defined(OS_WIN)
browser_watcher::SetStabilityDataInt(
browser_watcher::kStabilityExecutionPhase,
static_cast<int>(execution_phase_));
#endif // defined(OS_WIN)
}
ExecutionPhase ExecutionPhaseManager::GetExecutionPhase() {
// TODO(rtenneti): On windows, consider saving/getting execution_phase from
// the registry.
return static_cast<ExecutionPhase>(
local_state_->GetInteger(prefs::kStabilityExecutionPhase));
}
#if defined(OS_ANDROID) || defined(OS_IOS)
void ExecutionPhaseManager::OnAppEnterBackground() {
// Note: the in-memory ExecutionPhaseManager::execution_phase_ is not updated.
local_state_->SetInteger(prefs::kStabilityExecutionPhase,
static_cast<int>(ExecutionPhase::SHUTDOWN_COMPLETE));
}
void ExecutionPhaseManager::OnAppEnterForeground() {
// Restore prefs value altered by OnEnterBackground.
local_state_->SetInteger(prefs::kStabilityExecutionPhase,
static_cast<int>(execution_phase_));
}
#endif // defined(OS_ANDROID) || defined(OS_IOS)
} // namespace metrics
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