On timeout of setting up sync, show a dialog to tell users the task longer time than expected and to enable them to close spinner window.

BUG=128692
TEST=manually


Review URL: https://chromiumcodereview.appspot.com/10539128

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148740 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 57 insertions, 1 deletions

diff --git a/chrome/browser/ui/webui/sync_setup_handler.cc b/chrome/browser/ui/webui/sync_setup_handler.cc
index e334eb1..b680a7d 100644
--- a/chrome/browser/ui/webui/sync_setup_handler.cc
+++ b/chrome/browser/ui/webui/sync_setup_handler.cc
@@ -285,6 +285,8 @@ void SyncSetupHandler::GetStaticLocalizedValues(
 
   static OptionsStringResource resources[] = {
     { "syncSetupConfigureTitle", IDS_SYNC_SETUP_CONFIGURE_TITLE },
+    { "syncSetupTimeoutTitle", IDS_SYNC_SETUP_TIME_OUT_TITLE },
+    { "syncSetupTimeoutContent", IDS_SYNC_SETUP_TIME_OUT_CONTENT },
     { "cannotBeBlank", IDS_SYNC_CANNOT_BE_BLANK },
     { "emailLabel", IDS_SYNC_LOGIN_EMAIL_NEW_LINE },
     { "passwordLabel", IDS_SYNC_LOGIN_PASSWORD_NEW_LINE },
@@ -487,6 +489,9 @@ void SyncSetupHandler::RegisterMessages() {
       "SyncSetupDoSignOutOnAuthError",
       base::Bind(&SyncSetupHandler::HandleDoSignOutOnAuthError,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback("CloseTimeout",
+      base::Bind(&SyncSetupHandler::HandleCloseTimeout,
+                 base::Unretained(this)));
   web_ui()->RegisterMessageCallback("SyncSetupStopSyncing",
       base::Bind(&SyncSetupHandler::HandleStopSyncing,
                  base::Unretained(this)));
@@ -591,6 +596,29 @@ void SyncSetupHandler::DisplaySpinner() {
   configuring_sync_ = true;
   StringValue page("spinner");
   DictionaryValue args;
+
+  const int kTimeoutSec = 30;
+  DCHECK(!backend_start_timer_.get());
+  backend_start_timer_.reset(new base::OneShotTimer<SyncSetupHandler>());
+  backend_start_timer_->Start(FROM_HERE,
+                              base::TimeDelta::FromSeconds(kTimeoutSec),
+                              this, &SyncSetupHandler::DisplayTimeout);
+
+  web_ui()->CallJavascriptFunction(
+      "SyncSetupOverlay.showSyncSetupPage", page, args);
+}
+
+// TODO(kochi): Handle error conditions other than timeout.
+// http://crbug.com/128692
+void SyncSetupHandler::DisplayTimeout() {
+  // Stop a timer to handle timeout in waiting for checking network connection.
+  backend_start_timer_.reset();
+
+  // Do not listen to signin events.
+  signin_tracker_.reset();
+
+  StringValue page("timeout");
+  DictionaryValue args;
   web_ui()->CallJavascriptFunction(
       "SyncSetupOverlay.showSyncSetupPage", page, args);
 }
@@ -717,6 +745,9 @@ void SyncSetupHandler::GaiaCredentialsValid() {
 }
 
 void SyncSetupHandler::SigninFailed(const GoogleServiceAuthError& error) {
+  // Stop a timer to handle timeout in waiting for checking network connection.
+  backend_start_timer_.reset();
+
   last_signin_error_ = error;
   // Got a failed signin - this is either just a typical auth error, or a
   // sync error (treat sync errors as "fatal errors" - i.e. non-auth errors).
@@ -741,6 +772,9 @@ ProfileSyncService* SyncSetupHandler::GetSyncService() const {
 
 void SyncSetupHandler::SigninSuccess() {
   DCHECK(GetSyncService()->sync_initialized());
+  // Stop a timer to handle timeout in waiting for checking network connection.
+  backend_start_timer_.reset();
+
   // If we have signed in while sync is already setup, it must be due to some
   // kind of re-authentication flow. In that case, just close the signin dialog
   // rather than forcing the user to go through sync configuration.
@@ -900,6 +934,10 @@ void SyncSetupHandler::HandleStopSyncing(const ListValue* args) {
   }
 }
 
+void SyncSetupHandler::HandleCloseTimeout(const ListValue* args) {
+  CloseSyncSetup();
+}
+
 void SyncSetupHandler::CloseSyncSetup() {
   // TODO(atwilson): Move UMA tracking of signin events out of sync module.
   ProfileSyncService* sync_service = GetSyncService();
@@ -943,6 +981,9 @@ void SyncSetupHandler::CloseSyncSetup() {
 
   configuring_sync_ = false;
   signin_tracker_.reset();
+
+  // Stop a timer to handle timeout in waiting for checking network connection.
+  backend_start_timer_.reset();
 }
 
 void SyncSetupHandler::OpenSyncSetup(bool force_login) {
@@ -1012,6 +1053,9 @@ LoginUIService* SyncSetupHandler::GetLoginUIService() const {
 }
 
 void SyncSetupHandler::CloseOverlay() {
+  // Stop a timer to handle timeout in waiting for sync setup.
+  backend_start_timer_.reset();
+
   CloseSyncSetup();
   web_ui()->CallJavascriptFunction("OptionsPage.closeOverlay");
 }
diff --git a/chrome/browser/ui/webui/sync_setup_handler.h b/chrome/browser/ui/webui/sync_setup_handler.h
index b2505d0..d319476 100644
--- a/chrome/browser/ui/webui/sync_setup_handler.h
+++ b/chrome/browser/ui/webui/sync_setup_handler.h
@@ -7,6 +7,7 @@
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/timer.h"
 #include "chrome/browser/signin/signin_tracker.h"
 #include "chrome/browser/ui/webui/options2/options_ui.h"
 #include "chrome/browser/ui/webui/signin/login_ui_service.h"
@@ -109,6 +110,7 @@ class SyncSetupHandler : public options2::OptionsPageUIHandler,
   void HandleShowSetupUIWithoutLogin(const base::ListValue* args);
   void HandleDoSignOutOnAuthError(const base::ListValue* args);
   void HandleStopSyncing(const base::ListValue* args);
+  void HandleCloseTimeout(const base::ListValue* args);
 
   // Helper routine that gets the Profile associated with this object (virtual
   // so tests can override).
@@ -141,7 +143,10 @@ class SyncSetupHandler : public options2::OptionsPageUIHandler,
   // is running in the background.
   void DisplaySpinner();
 
-  // Returns true if this is the active login object.
+  // Displays an error dialog which shows timeout of starting the sync backend.
+  void DisplayTimeout();
+
+  // Returns true if this object is the active login object.
   bool IsActiveLogin() const;
 
   // Initiates a login via the signin manager.
@@ -192,6 +197,10 @@ class SyncSetupHandler : public options2::OptionsPageUIHandler,
   // When setup starts without login UI, do not retry login and fail.
   bool retry_on_signin_failure_;
 
+  // The OneShotTimer object used to timeout of starting the sync backend
+  // service.
+  scoped_ptr<base::OneShotTimer<SyncSetupHandler> > backend_start_timer_;
+
   DISALLOW_COPY_AND_ASSIGN(SyncSetupHandler);
 };
 
diff --git a/chrome/browser/ui/webui/sync_setup_handler_unittest.cc b/chrome/browser/ui/webui/sync_setup_handler_unittest.cc
index f8ac644..ae1b4be 100644
--- a/chrome/browser/ui/webui/sync_setup_handler_unittest.cc
+++ b/chrome/browser/ui/webui/sync_setup_handler_unittest.cc
@@ -9,6 +9,7 @@
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/message_loop.h"
 #include "base/stl_util.h"
 #include "base/values.h"
 #include "chrome/browser/prefs/pref_service.h"
@@ -421,6 +422,8 @@ class SyncSetupHandlerTest : public testing::TestWithParam<bool> {
   scoped_ptr<Profile> profile_;
   ProfileSyncServiceMock* mock_pss_;
   GoogleServiceAuthError error_;
+  // MessageLoop instance is required to work with OneShotTimer.
+  MessageLoop message_loop_;
   SigninManagerMock* mock_signin_;
   TestWebUI web_ui_;
   scoped_ptr<TestingSyncSetupHandler> handler_;