src/chrome/browser/ui/ash/app_sync_ui_state.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/ash/app_sync_ui_state.h"
   6
   7 #include "base/prefs/pref_service.h"
   8 #include "chrome/browser/chrome_notification_types.h"
   9 #include "chrome/browser/extensions/extension_service.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/browser/sync/profile_sync_service.h"
  12 #include "chrome/browser/sync/profile_sync_service_factory.h"
  13 #include "chrome/browser/ui/ash/app_sync_ui_state_factory.h"
  14 #include "chrome/browser/ui/ash/app_sync_ui_state_observer.h"
  15 #include "content/public/browser/notification_details.h"
  16 #include "content/public/browser/notification_service.h"
  17 #include "content/public/browser/notification_source.h"
  18 #include "extensions/browser/extension_system.h"
  19 #include "extensions/browser/pending_extension_manager.h"
  20
  21 #if defined(OS_CHROMEOS)
  22 #include "chrome/browser/chromeos/login/user_manager.h"
  23 #endif
  24
  25 namespace {
  26
  27 // Max loading animation time in milliseconds.
  28 const int kMaxSyncingTimeMs = 60 * 1000;
  29
  30 }  // namespace
  31
  32 // static
  33 AppSyncUIState* AppSyncUIState::Get(Profile* profile) {
  34   return AppSyncUIStateFactory::GetForProfile(profile);
  35 }
  36
  37 // static
  38 bool AppSyncUIState::ShouldObserveAppSyncForProfile(Profile* profile) {
  39 #if defined(OS_CHROMEOS)
  40   if (chromeos::UserManager::Get()->IsLoggedInAsGuest())
  41     return false;
  42
  43   if (!profile || profile->IsOffTheRecord())
  44     return false;
  45
  46   if (!ProfileSyncServiceFactory::HasProfileSyncService(profile))
  47     return false;
  48
  49   return profile->IsNewProfile();
  50 #else
  51   return false;
  52 #endif
  53 }
  54
  55 AppSyncUIState::AppSyncUIState(Profile* profile)
  56     : profile_(profile),
  57       sync_service_(NULL),
  58       status_(STATUS_NORMAL) {
  59   StartObserving();
  60 }
  61
  62 AppSyncUIState::~AppSyncUIState() {
  63   StopObserving();
  64 }
  65
  66 void AppSyncUIState::AddObserver(AppSyncUIStateObserver* observer) {
  67   observers_.AddObserver(observer);
  68 }
  69
  70 void AppSyncUIState::RemoveObserver(AppSyncUIStateObserver* observer) {
  71   observers_.RemoveObserver(observer);
  72 }
  73
  74 void AppSyncUIState::StartObserving() {
  75   DCHECK(ShouldObserveAppSyncForProfile(profile_));
  76   DCHECK(!sync_service_);
  77
  78   registrar_.Add(this,
  79                  chrome::NOTIFICATION_EXTENSION_LOADED,
  80                  content::Source<Profile>(profile_));
  81
  82   sync_service_ = ProfileSyncServiceFactory::GetForProfile(profile_);
  83   CHECK(sync_service_);
  84   sync_service_->AddObserver(this);
  85 }
  86
  87 void AppSyncUIState::StopObserving() {
  88   if (!sync_service_)
  89     return;
  90
  91   registrar_.RemoveAll();
  92   sync_service_->RemoveObserver(this);
  93   sync_service_ = NULL;
  94   profile_ = NULL;
  95 }
  96
  97 void AppSyncUIState::SetStatus(Status status) {
  98   if (status_ == status)
  99     return;
 100
 101   status_ = status;
 102   switch (status_) {
 103     case STATUS_SYNCING:
 104       max_syncing_status_timer_.Start(
 105           FROM_HERE,
 106           base::TimeDelta::FromMilliseconds(kMaxSyncingTimeMs),
 107           this, &AppSyncUIState::OnMaxSyncingTimer);
 108       break;
 109     case STATUS_NORMAL:
 110     case STATUS_TIMED_OUT:
 111       max_syncing_status_timer_.Stop();
 112       StopObserving();
 113       break;
 114   }
 115
 116   FOR_EACH_OBSERVER(AppSyncUIStateObserver,
 117                     observers_,
 118                     OnAppSyncUIStatusChanged());
 119 }
 120
 121 void AppSyncUIState::CheckAppSync() {
 122   if (!sync_service_ || !sync_service_->HasSyncSetupCompleted())
 123     return;
 124
 125   const bool synced = sync_service_->ShouldPushChanges();
 126   const bool has_pending_extension =
 127       extensions::ExtensionSystem::Get(profile_)->extension_service()->
 128           pending_extension_manager()->HasPendingExtensionFromSync();
 129
 130   if (synced && !has_pending_extension)
 131     SetStatus(STATUS_NORMAL);
 132   else
 133     SetStatus(STATUS_SYNCING);
 134 }
 135
 136 void AppSyncUIState::OnMaxSyncingTimer() {
 137   SetStatus(STATUS_TIMED_OUT);
 138 }
 139
 140 void AppSyncUIState::Observe(int type,
 141                              const content::NotificationSource& source,
 142                              const content::NotificationDetails& details) {
 143   DCHECK_EQ(chrome::NOTIFICATION_EXTENSION_LOADED, type);
 144   CheckAppSync();
 145 }
 146
 147 void AppSyncUIState::OnStateChanged() {
 148   DCHECK(sync_service_);
 149   CheckAppSync();
 150 }