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// Copyright 2012 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/browser/ash/app_list/app_sync_ui_state.h"
#include "build/build_config.h"
#include "chrome/browser/ash/app_list/app_sync_ui_state_factory.h"
#include "chrome/browser/ash/app_list/app_sync_ui_state_observer.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/sync/sync_service_factory.h"
#include "components/prefs/pref_service.h"
#include "components/sync/service/sync_service.h"
#include "components/user_manager/user_manager.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/pending_extension_manager.h"
namespace {
// Max loading animation time in milliseconds.
const int kMaxSyncingTimeMs = 60 * 1000;
} // namespace
// static
AppSyncUIState* AppSyncUIState::Get(Profile* profile) {
return AppSyncUIStateFactory::GetForProfile(profile);
}
// static
bool AppSyncUIState::ShouldObserveAppSyncForProfile(Profile* profile) {
if (user_manager::UserManager::Get()->IsLoggedInAsGuest())
return false;
if (!profile || profile->IsOffTheRecord())
return false;
if (!SyncServiceFactory::HasSyncService(profile))
return false;
return profile->IsNewProfile();
}
AppSyncUIState::AppSyncUIState(Profile* profile)
: profile_(profile),
sync_service_(nullptr),
status_(STATUS_NORMAL),
extension_registry_(nullptr) {
StartObserving();
}
AppSyncUIState::~AppSyncUIState() {
// StopObserving() must have been called before (from Shutdown()).
DCHECK(!sync_service_);
}
void AppSyncUIState::AddObserver(AppSyncUIStateObserver* observer) {
observers_.AddObserver(observer);
}
void AppSyncUIState::RemoveObserver(AppSyncUIStateObserver* observer) {
observers_.RemoveObserver(observer);
}
void AppSyncUIState::Shutdown() {
StopObserving();
}
void AppSyncUIState::StartObserving() {
DCHECK(ShouldObserveAppSyncForProfile(profile_));
DCHECK(!sync_service_);
DCHECK(!extension_registry_);
extension_registry_ = extensions::ExtensionRegistry::Get(profile_);
extension_registry_->AddObserver(this);
sync_service_ = SyncServiceFactory::GetForProfile(profile_);
CHECK(sync_service_);
sync_service_->AddObserver(this);
}
void AppSyncUIState::StopObserving() {
if (!sync_service_)
return;
sync_service_->RemoveObserver(this);
sync_service_ = nullptr;
if (extension_registry_)
extension_registry_->RemoveObserver(this);
extension_registry_ = nullptr;
profile_ = nullptr;
}
void AppSyncUIState::SetStatus(Status status) {
if (status_ == status)
return;
status_ = status;
switch (status_) {
case STATUS_SYNCING:
max_syncing_status_timer_.Start(FROM_HERE,
base::Milliseconds(kMaxSyncingTimeMs),
this, &AppSyncUIState::OnMaxSyncingTimer);
break;
case STATUS_NORMAL:
case STATUS_TIMED_OUT:
max_syncing_status_timer_.Stop();
StopObserving();
break;
}
for (AppSyncUIStateObserver& observer : observers_)
observer.OnAppSyncUIStatusChanged();
}
void AppSyncUIState::CheckAppSync() {
if (!sync_service_ || !sync_service_->IsSyncFeatureEnabled()) {
return;
}
// The sync service will be paused if it encounters errors, transition to
// normal UI state.
if (sync_service_->GetTransportState() ==
syncer::SyncService::TransportState::PAUSED) {
SetStatus(STATUS_NORMAL);
return;
}
const bool synced = sync_service_->IsSyncFeatureActive();
const bool has_pending_extension =
extensions::PendingExtensionManager::Get(profile_)
->HasPendingExtensionFromSync();
if (synced && !has_pending_extension)
SetStatus(STATUS_NORMAL);
else
SetStatus(STATUS_SYNCING);
}
void AppSyncUIState::OnMaxSyncingTimer() {
SetStatus(STATUS_TIMED_OUT);
}
void AppSyncUIState::OnStateChanged(syncer::SyncService* sync) {
DCHECK(sync_service_);
CheckAppSync();
}
void AppSyncUIState::OnExtensionLoaded(content::BrowserContext* browser_context,
const extensions::Extension* extension) {
CheckAppSync();
}
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