// 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 SYNC_INTERNAL_API_JS_SYNC_ENCRYPTION_HANDLER_OBSERVER_H_
#define SYNC_INTERNAL_API_JS_SYNC_ENCRYPTION_HANDLER_OBSERVER_H_

#include <string>

#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "sync/base/sync_export.h"
#include "sync/internal_api/public/sync_encryption_handler.h"
#include "sync/internal_api/public/util/weak_handle.h"
#include "sync/protocol/sync_protocol_error.h"

namespace tracked_objects {
class Location;
}  // namespace tracked_objects

namespace syncer {

class JsEventDetails;
class JsEventHandler;

// Routes SyncEncryptionHandler events to a JsEventHandler.
class SYNC_EXPORT_PRIVATE JsSyncEncryptionHandlerObserver
    : public SyncEncryptionHandler::Observer {
 public:
  JsSyncEncryptionHandlerObserver();
  ~JsSyncEncryptionHandlerObserver() override;

  void SetJsEventHandler(const WeakHandle<JsEventHandler>& event_handler);

  // SyncEncryptionHandlerObserver::Observer implementation.
  void OnPassphraseRequired(
      PassphraseRequiredReason reason,
      const sync_pb::EncryptedData& pending_keys) override;
  void OnPassphraseAccepted() override;
  void OnBootstrapTokenUpdated(const std::string& bootstrap_token,
                               BootstrapTokenType type) override;
  void OnEncryptedTypesChanged(ModelTypeSet encrypted_types,
                               bool encrypt_everything) override;
  void OnEncryptionComplete() override;
  void OnCryptographerStateChanged(Cryptographer* cryptographer) override;
  void OnPassphraseTypeChanged(PassphraseType type,
                               base::Time explicit_passphrase_time) override;

 private:
  void HandleJsEvent(const tracked_objects::Location& from_here,
                    const std::string& name, const JsEventDetails& details);

  WeakHandle<JsEventHandler> event_handler_;

  DISALLOW_COPY_AND_ASSIGN(JsSyncEncryptionHandlerObserver);
};

}  // namespace syncer

#endif  // SYNC_INTERNAL_API_JS_SYNC_ENCRYPTION_HANDLER_OBSERVER_H_