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// Copyright 2015 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 "chrome/browser/android/metrics/uma_session_stats.h"
#include "base/android/jni_string.h"
#include "base/command_line.h"
#include "base/metrics/histogram.h"
#include "base/prefs/pref_service.h"
#include "base/strings/string_number_conversions.h"
#include "base/time/time.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
#include "chrome/browser/metrics/metrics_services_manager.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chrome/installer/util/google_update_settings.h"
#include "components/metrics/metrics_service.h"
#include "components/variations/metrics_util.h"
#include "components/variations/variations_associated_data.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/user_metrics.h"
#include "jni/UmaSessionStats_jni.h"
using base::android::ConvertJavaStringToUTF8;
using base::UserMetricsAction;
namespace {
UmaSessionStats* g_uma_session_stats = NULL;
} // namespace
UmaSessionStats::UmaSessionStats()
: active_session_count_(0) {
}
UmaSessionStats::~UmaSessionStats() {
}
void UmaSessionStats::UmaResumeSession(JNIEnv* env, jobject obj) {
DCHECK(g_browser_process);
if (active_session_count_ == 0) {
session_start_time_ = base::TimeTicks::Now();
// Tell the metrics service that the application resumes.
metrics::MetricsService* metrics = g_browser_process->metrics_service();
if (metrics) {
metrics->OnAppEnterForeground();
}
}
++active_session_count_;
}
void UmaSessionStats::UmaEndSession(JNIEnv* env, jobject obj) {
--active_session_count_;
DCHECK(active_session_count_ >= 0);
if (active_session_count_ == 0) {
base::TimeDelta duration = base::TimeTicks::Now() - session_start_time_;
UMA_HISTOGRAM_LONG_TIMES("Session.TotalDuration", duration);
DCHECK(g_browser_process);
// Tell the metrics service it was cleanly shutdown.
metrics::MetricsService* metrics = g_browser_process->metrics_service();
if (metrics) {
metrics->OnAppEnterBackground();
}
}
}
// static
void UmaSessionStats::RegisterSyntheticFieldTrialWithNameHash(
uint32_t trial_name_hash,
const std::string& group_name) {
ChromeMetricsServiceAccessor::RegisterSyntheticFieldTrialWithNameHash(
trial_name_hash, group_name);
}
// static
void UmaSessionStats::RegisterSyntheticFieldTrial(
const std::string& trial_name,
const std::string& group_name) {
ChromeMetricsServiceAccessor::RegisterSyntheticFieldTrial(trial_name,
group_name);
}
// Starts/stops the MetricsService when permissions have changed.
// There are three possible states:
// * Logs are being recorded and being uploaded to the server.
// * Logs are being recorded, but not being uploaded to the server.
// This happens when we've got permission to upload on Wi-Fi but we're on a
// mobile connection (for example).
// * Logs are neither being recorded or uploaded.
static void UpdateMetricsServiceState(JNIEnv* env, jobject obj,
jboolean may_record, jboolean may_upload) {
metrics::MetricsService* metrics = g_browser_process->metrics_service();
DCHECK(metrics);
if (metrics->recording_active() != may_record) {
// This function puts a consent file with the ClientID in the
// data directory. The ID is passed to the renderer for crash
// reporting when things go wrong.
content::BrowserThread::GetBlockingPool()->PostTask(FROM_HERE,
base::Bind(
base::IgnoreResult(GoogleUpdateSettings::SetCollectStatsConsent),
may_record));
}
g_browser_process->GetMetricsServicesManager()->UpdatePermissions(
may_record, may_upload);
}
// Renderer process crashed in the foreground.
static void LogRendererCrash(JNIEnv* env, jclass clazz, jboolean is_paused) {
DCHECK(g_browser_process);
if (!is_paused) {
// Increment the renderer crash count in stability metrics.
PrefService* pref = g_browser_process->local_state();
DCHECK(pref);
int value = pref->GetInteger(prefs::kStabilityRendererCrashCount);
pref->SetInteger(prefs::kStabilityRendererCrashCount, value + 1);
}
// Note: When we are paused, any UI metric we increment may not make it to
// the disk before we are killed. Treat the count below as a lower bound.
content::RecordAction(base::UserMetricsAction("MobileRendererCrashed"));
}
static void RegisterExternalExperiment(JNIEnv* env,
jclass clazz,
jint study_id,
jint experiment_id) {
const std::string group_name_utf8 = base::IntToString(experiment_id);
variations::ActiveGroupId active_group;
active_group.name = static_cast<uint32>(study_id);
active_group.group = metrics::HashName(group_name_utf8);
variations::AssociateGoogleVariationIDForceHashes(
variations::GOOGLE_WEB_PROPERTIES, active_group,
static_cast<variations::VariationID>(experiment_id));
UmaSessionStats::RegisterSyntheticFieldTrialWithNameHash(
static_cast<uint32_t>(study_id), group_name_utf8);
}
static void RegisterSyntheticFieldTrial(JNIEnv* env,
jclass clazz,
jstring jtrial_name,
jstring jgroup_name) {
std::string trial_name(ConvertJavaStringToUTF8(env, jtrial_name));
std::string group_name(ConvertJavaStringToUTF8(env, jgroup_name));
UmaSessionStats::RegisterSyntheticFieldTrial(trial_name, group_name);
}
static void RecordMultiWindowSession(JNIEnv*, jclass,
jint area_percent,
jint instance_count) {
UMA_HISTOGRAM_PERCENTAGE("MobileStartup.MobileMultiWindowSession",
area_percent);
// Make sure the bucket count is the same as the range. This currently
// expects no more than 10 simultaneous multi window instances.
UMA_HISTOGRAM_CUSTOM_COUNTS("MobileStartup.MobileMultiWindowInstances",
instance_count,
1 /* min */,
10 /* max */,
10 /* bucket count */);
}
static void RecordTabCountPerLoad(JNIEnv*, jclass, jint num_tabs) {
// Record how many tabs total are open.
UMA_HISTOGRAM_CUSTOM_COUNTS("Tabs.TabCountPerLoad", num_tabs, 1, 200, 50);
}
static void RecordPageLoaded(JNIEnv*, jclass, jboolean is_desktop_user_agent) {
// Should be called whenever a page has been loaded.
content::RecordAction(UserMetricsAction("MobilePageLoaded"));
if (is_desktop_user_agent) {
content::RecordAction(
UserMetricsAction("MobilePageLoadedDesktopUserAgent"));
}
}
static void RecordPageLoadedWithKeyboard(JNIEnv*, jclass) {
content::RecordAction(UserMetricsAction("MobilePageLoadedWithKeyboard"));
}
static jlong Init(JNIEnv* env, jclass obj) {
// We should have only one UmaSessionStats instance.
DCHECK(!g_uma_session_stats);
g_uma_session_stats = new UmaSessionStats();
return reinterpret_cast<intptr_t>(g_uma_session_stats);
}
// Register native methods
bool RegisterUmaSessionStats(JNIEnv* env) {
return RegisterNativesImpl(env);
}
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