chrome/browser/ui/webui/history_login_handler.cc

   1 // Copyright 2015 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/webui/history_login_handler.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/values.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/browser/ui/webui/profile_info_watcher.h"
  12 #include "content/public/browser/web_ui.h"
  13
  14 HistoryLoginHandler::HistoryLoginHandler() {}
  15 HistoryLoginHandler::~HistoryLoginHandler() {}
  16
  17 void HistoryLoginHandler::RegisterMessages() {
  18   profile_info_watcher_.reset(new ProfileInfoWatcher(
  19       Profile::FromWebUI(web_ui()),
  20       base::Bind(&HistoryLoginHandler::ProfileInfoChanged,
  21                  base::Unretained(this))));
  22
  23   web_ui()->RegisterMessageCallback("otherDevicesInitialized",
  24       base::Bind(&HistoryLoginHandler::HandleOtherDevicesInitialized,
  25                  base::Unretained(this)));
  26 }
  27
  28 void HistoryLoginHandler::HandleOtherDevicesInitialized(
  29     const base::ListValue* /*args*/) {
  30   ProfileInfoChanged();
  31 }
  32
  33 void HistoryLoginHandler::ProfileInfoChanged() {
  34   bool signed_in = !profile_info_watcher_->GetAuthenticatedUsername().empty();
  35   web_ui()->CallJavascriptFunction(
  36       "updateSignInState", base::FundamentalValue(signed_in));
  37 }