Upstream Chrome on iOS source code [8/11].

ios/chrome/browser/ui/sync/sync_error_infobar_delegate.h

+// Copyright 2012 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.
+
+#ifndef IOS_CHROME_BROWSER_UI_SYNC_SYNC_ERROR_INFOBAR_DELEGATE_H_
+#define IOS_CHROME_BROWSER_UI_SYNC_SYNC_ERROR_INFOBAR_DELEGATE_H_
+
+#include <memory>
+
+#include "base/mac/scoped_nsobject.h"
+#include "base/macros.h"
+#include "base/strings/string16.h"
+#include "components/infobars/core/confirm_infobar_delegate.h"
+#include "components/sync/driver/sync_service_observer.h"
+#include "ios/chrome/browser/sync/sync_setup_service.h"
+#include "ui/gfx/image/image.h"
+
+@class GenericChromeCommand;
+
+namespace gfx {
+class Image;
+}
+
+namespace infobars {
+class InfoBarManager;
+}
+
+namespace ios {
+class ChromeBrowserState;
+}
+
+// Shows a sync error in an infobar.
+class SyncErrorInfoBarDelegate : public ConfirmInfoBarDelegate,
+                                 public syncer::SyncServiceObserver {
+ public:
+  explicit SyncErrorInfoBarDelegate(ios::ChromeBrowserState* browser_state);
+  ~SyncErrorInfoBarDelegate() override;
+
+  // Creates a sync error infobar and adds it to |infobar_manager|.
+  static bool Create(infobars::InfoBarManager* infobar_manager,
+                     ios::ChromeBrowserState* browser_state);
+
+  // InfoBarDelegate implementation.
+  InfoBarIdentifier GetIdentifier() const override;
+
+  // ConfirmInfoBarDelegate implementation.
+  base::string16 GetMessageText() const override;
+  int GetButtons() const override;
+  base::string16 GetButtonLabel(InfoBarButton button) const override;
+  gfx::Image GetIcon() const override;
+  bool Accept() override;
+
+  // ProfileSyncServiceObserver implementation.
+  void OnStateChanged() override;
+
+ private:
+  gfx::Image icon_;
+  ios::ChromeBrowserState* browser_state_;
+  SyncSetupService::SyncServiceState error_state_;
+  base::string16 message_;
+  base::string16 button_text_;
+  base::scoped_nsobject<GenericChromeCommand> command_;
+
+  DISALLOW_COPY_AND_ASSIGN(SyncErrorInfoBarDelegate);
+};
+
+#endif  // IOS_CHROME_BROWSER_UI_SYNC_SYNC_ERROR_INFOBAR_DELEGATE_H_