mozStorageAsyncStatementParams.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_storage_mozStorageAsyncStatementParams_h_

#define mozilla_storage_mozStorageAsyncStatementParams_h_

#include "mozilla/Attributes.h"

#include "nsPIDOMWindow.h"

#include "nsWrapperCache.h"

namespace mozilla {

class ErrorResult;

namespace storage {

class AsyncStatement;

class AsyncStatementParams final : public nsISupports, public nsWrapperCache {

 public:

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(AsyncStatementParams)

  explicit AsyncStatementParams(nsPIDOMWindowInner* aWindow,

                                AsyncStatement* aStatement);

  void NamedGetter(JSContext* aCx, const nsAString& aName, bool& aFound,

                   JS::MutableHandle<JS::Value> aResult,

                   mozilla::ErrorResult& aRv);

  void NamedSetter(JSContext* aCx, const nsAString& aName,

                   JS::Handle<JS::Value> aValue, mozilla::ErrorResult& aRv);

  uint32_t Length() const {

    // WebIDL requires a .length property when there's an indexed getter.

    // Unfortunately we don't know how many params there are in the async case,

    // so we have to lie.

    return UINT16_MAX;

  void IndexedGetter(JSContext* aCx, uint32_t aIndex, bool& aFound,

                     JS::MutableHandle<JS::Value> aResult,

                     mozilla::ErrorResult& aRv);

  void IndexedSetter(JSContext* aCx, uint32_t aIndex,

                     JS::Handle<JS::Value> aValue, mozilla::ErrorResult& aRv);

  void GetSupportedNames(nsTArray<nsString>& aNames);

  JSObject* WrapObject(JSContext* aCx,

                       JS::Handle<JSObject*> aGivenProto) override;

  nsPIDOMWindowInner* GetParentObject() const { return mWindow; }

 private:

  virtual ~AsyncStatementParams() {}

  nsCOMPtr<nsPIDOMWindowInner> mWindow;

  AsyncStatement* mStatement;

  friend class AsyncStatementParamsHolder;

};

}  // namespace storage

}  // namespace mozilla

#endif  // mozilla_storage_mozStorageAsyncStatementParams_h_