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// Copyright 2016 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 "ios/chrome/browser/ios_chrome_main_parts.h"
#include "base/base_switches.h"
#include "base/feature_list.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/time/default_tick_clock.h"
#include "components/content_settings/core/browser/cookie_settings.h"
#include "components/content_settings/core/common/content_settings_pattern.h"
#include "components/flags_ui/pref_service_flags_storage.h"
#include "components/language_usage_metrics/language_usage_metrics.h"
#include "components/metrics/metrics_service.h"
#include "components/metrics/profiler/ios/ios_tracking_synchronizer_delegate.h"
#include "components/metrics/profiler/tracking_synchronizer.h"
#include "components/metrics_services_manager/metrics_services_manager.h"
#include "components/open_from_clipboard/clipboard_recent_content.h"
#include "components/prefs/json_pref_store.h"
#include "components/prefs/pref_service.h"
#include "components/rappor/rappor_service.h"
#include "components/translate/core/browser/translate_download_manager.h"
#include "components/variations/service/variations_service.h"
#include "components/variations/variations_http_header_provider.h"
#include "ios/chrome/browser/about_flags.h"
#include "ios/chrome/browser/application_context_impl.h"
#include "ios/chrome/browser/browser_state/chrome_browser_state.h"
#include "ios/chrome/browser/browser_state/chrome_browser_state_manager.h"
#include "ios/chrome/browser/chrome_paths.h"
#include "ios/chrome/browser/chrome_switches.h"
#include "ios/chrome/browser/chrome_url_constants.h"
#import "ios/chrome/browser/first_run/first_run.h"
#include "ios/chrome/browser/install_time_util.h"
#include "ios/chrome/browser/ios_chrome_field_trials.h"
#include "ios/chrome/browser/metrics/field_trial_synchronizer.h"
#include "ios/chrome/browser/open_from_clipboard/create_clipboard_recent_content.h"
#include "ios/chrome/browser/pref_names.h"
#include "ios/chrome/browser/translate/translate_service_ios.h"
#include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
#include "ios/web/public/web_thread.h"
#include "net/base/network_change_notifier.h"
#include "net/http/http_network_layer.h"
#include "net/http/http_stream_factory.h"
#include "net/url_request/url_request.h"
#include "ui/base/l10n/l10n_util_mac.h"
#include "ui/base/resource/resource_bundle.h"
#if defined(ENABLE_RLZ)
#include "components/rlz/rlz_tracker.h"
#include "ios/chrome/browser/rlz/rlz_tracker_delegate_impl.h"
#endif
IOSChromeMainParts::IOSChromeMainParts(
const base::CommandLine& parsed_command_line)
: parsed_command_line_(parsed_command_line), local_state_(nullptr) {
// Chrome disallows cookies by default. All code paths that want to use
// cookies need to go through one of Chrome's URLRequestContexts which have
// a ChromeNetworkDelegate attached that selectively allows cookies again.
net::URLRequest::SetDefaultCookiePolicyToBlock();
}
IOSChromeMainParts::~IOSChromeMainParts() {}
void IOSChromeMainParts::PreMainMessageLoopStart() {
l10n_util::OverrideLocaleWithCocoaLocale();
const std::string loaded_locale =
ResourceBundle::InitSharedInstanceWithLocale(
std::string(), nullptr, ResourceBundle::LOAD_COMMON_RESOURCES);
CHECK(!loaded_locale.empty());
base::FilePath resources_pack_path;
PathService::Get(ios::FILE_RESOURCES_PACK, &resources_pack_path);
ResourceBundle::GetSharedInstance().AddDataPackFromPath(
resources_pack_path, ui::SCALE_FACTOR_100P);
}
void IOSChromeMainParts::PreCreateThreads() {
base::FilePath local_state_path;
CHECK(PathService::Get(ios::FILE_LOCAL_STATE, &local_state_path));
scoped_refptr<base::SequencedTaskRunner> local_state_task_runner =
JsonPrefStore::GetTaskRunnerForFile(local_state_path,
web::WebThread::GetBlockingPool());
application_context_.reset(new ApplicationContextImpl(
local_state_task_runner.get(), parsed_command_line_,
l10n_util::GetLocaleOverride()));
DCHECK_EQ(application_context_.get(), GetApplicationContext());
// Check the first run state early; this must be done before IO is disallowed
// so that later calls can use the cached value. (The return value is ignored
// because this is only to trigger the internal lookup and caching for later
// use.)
FirstRun::IsChromeFirstRun();
// Initialize local state.
local_state_ = application_context_->GetLocalState();
DCHECK(local_state_);
flags_ui::PrefServiceFlagsStorage flags_storage_(
application_context_->GetLocalState());
ConvertFlagsToSwitches(&flags_storage_,
base::CommandLine::ForCurrentProcess());
// Initialize tracking synchronizer system.
tracking_synchronizer_ = new metrics::TrackingSynchronizer(
make_scoped_ptr(new base::DefaultTickClock()),
base::Bind(&metrics::IOSTrackingSynchronizerDelegate::Create));
// Now the command line has been mutated based on about:flags, we can setup
// metrics and initialize field trials that are needed by IOSChromeIOThread's
// initialization which happens in ApplicationContext:PreCreateThreads.
SetUpMetricsAndFieldTrials();
// Initialize FieldTrialSynchronizer system.
field_trial_synchronizer_.reset(new ios::FieldTrialSynchronizer);
application_context_->PreCreateThreads();
}
void IOSChromeMainParts::PreMainMessageLoopRun() {
// Now that the file thread has been started, start recording.
StartMetricsRecording();
application_context_->PreMainMessageLoopRun();
// ContentSettingsPattern need to be initialized before creating the
// ChromeBrowserState.
ContentSettingsPattern::SetNonWildcardDomainNonPortScheme(
kDummyExtensionScheme);
// Ensure ClipboadRecentContentIOS is created.
ClipboardRecentContent::SetInstance(
CreateClipboardRecentContentIOS().release());
// Ensure that the browser state is initialized.
ios::GetChromeBrowserProvider()->AssertBrowserContextKeyedFactoriesBuilt();
ios::ChromeBrowserStateManager* browser_state_manager =
application_context_->GetChromeBrowserStateManager();
ios::ChromeBrowserState* last_used_browser_state =
browser_state_manager->GetLastUsedBrowserState();
#if defined(ENABLE_RLZ)
// Init the RLZ library. This just schedules a task on the file thread to be
// run sometime later. If this is the first run we record the installation
// event.
int ping_delay = last_used_browser_state->GetPrefs()->GetInteger(
FirstRun::GetPingDelayPrefName());
// Negative ping delay means to send ping immediately after a first search is
// recorded.
rlz::RLZTracker::SetRlzDelegate(make_scoped_ptr(new RLZTrackerDelegateImpl));
rlz::RLZTracker::InitRlzDelayed(
FirstRun::IsChromeFirstRun(), ping_delay < 0,
base::TimeDelta::FromMilliseconds(abs(ping_delay)),
RLZTrackerDelegateImpl::IsGoogleDefaultSearch(last_used_browser_state),
RLZTrackerDelegateImpl::IsGoogleHomepage(last_used_browser_state),
RLZTrackerDelegateImpl::IsGoogleInStartpages(last_used_browser_state));
#endif // defined(ENABLE_RLZ)
TranslateServiceIOS::Initialize();
language_usage_metrics::LanguageUsageMetrics::RecordAcceptLanguages(
last_used_browser_state->GetPrefs()->GetString(prefs::kAcceptLanguages));
language_usage_metrics::LanguageUsageMetrics::RecordApplicationLanguage(
application_context_->GetApplicationLocale());
// Request new variations seed information from server.
variations::VariationsService* variations_service =
application_context_->GetVariationsService();
if (variations_service) {
variations_service->set_policy_pref_service(
last_used_browser_state->GetPrefs());
variations_service->StartRepeatedVariationsSeedFetch();
}
translate::TranslateDownloadManager::RequestLanguageList(
last_used_browser_state->GetPrefs());
}
void IOSChromeMainParts::PostMainMessageLoopRun() {
TranslateServiceIOS::Shutdown();
application_context_->StartTearDown();
}
void IOSChromeMainParts::PostDestroyThreads() {
application_context_->PostDestroyThreads();
}
// This will be called after the command-line has been mutated by about:flags
void IOSChromeMainParts::SetUpMetricsAndFieldTrials() {
// Must initialize metrics after labs have been converted into switches,
// but before field trials are set up (so that client ID is available for
// one-time randomized field trials).
metrics::MetricsService* metrics = application_context_->GetMetricsService();
// Initialize FieldTrialList to support FieldTrials that use one-time
// randomization.
field_trial_list_.reset(
new base::FieldTrialList(metrics->CreateEntropyProvider().release()));
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
// Ensure any field trials specified on the command line are initialized.
// Also stop the metrics service so that we don't pollute UMA.
if (command_line->HasSwitch(switches::kForceFieldTrials)) {
// Create field trials without activating them, so that this behaves in a
// consistent manner with field trials created from the server.
bool result = base::FieldTrialList::CreateTrialsFromString(
command_line->GetSwitchValueASCII(switches::kForceFieldTrials),
std::set<std::string>());
CHECK(result) << "Invalid --" << switches::kForceFieldTrials
<< " list specified.";
}
if (command_line->HasSwitch(switches::kIOSForceVariationIds)) {
// Create default variation ids which will always be included in the
// X-Client-Data request header.
variations::VariationsHttpHeaderProvider* provider =
variations::VariationsHttpHeaderProvider::GetInstance();
bool result = provider->SetDefaultVariationIds(
command_line->GetSwitchValueASCII(switches::kIOSForceVariationIds));
CHECK(result) << "Invalid --" << switches::kIOSForceVariationIds
<< " list specified.";
}
scoped_ptr<base::FeatureList> feature_list(new base::FeatureList);
feature_list->InitializeFromCommandLine(
command_line->GetSwitchValueASCII(switches::kEnableIOSFeatures),
command_line->GetSwitchValueASCII(switches::kDisableIOSFeatures));
variations::VariationsService* variations_service =
application_context_->GetVariationsService();
if (variations_service)
variations_service->CreateTrialsFromSeed(feature_list.get());
base::FeatureList::SetInstance(std::move(feature_list));
SetupFieldTrials(parsed_command_line_,
base::Time::FromTimeT(metrics->GetInstallDate()));
// Now that field trials have been created, initializes metrics recording.
metrics->InitializeMetricsRecordingState();
}
void IOSChromeMainParts::StartMetricsRecording() {
bool wifiOnly = local_state_->GetBoolean(prefs::kMetricsReportingWifiOnly);
bool isConnectionCellular = net::NetworkChangeNotifier::IsConnectionCellular(
net::NetworkChangeNotifier::GetConnectionType());
bool mayUpload = !wifiOnly || !isConnectionCellular;
application_context_->GetMetricsServicesManager()->UpdateUploadPermissions(
mayUpload);
}
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