storage/mozStorageAsyncStatementParams.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_storage_mozStorageAsyncStatementParams_h_
   8 #define mozilla_storage_mozStorageAsyncStatementParams_h_
   9
  10 #include "mozilla/Attributes.h"
  11 #include "nsPIDOMWindow.h"
  12 #include "nsWrapperCache.h"
  13
  14 namespace mozilla {
  15 class ErrorResult;
  16
  17 namespace storage {
  18
  19 class AsyncStatement;
  20
  21 class AsyncStatementParams final : public nsISupports, public nsWrapperCache {
  22  public:
  23   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  24   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(AsyncStatementParams)
  25
  26   explicit AsyncStatementParams(nsPIDOMWindowInner* aWindow,
  27                                 AsyncStatement* aStatement);
  28
  29   void NamedGetter(JSContext* aCx, const nsAString& aName, bool& aFound,
  30                    JS::MutableHandle<JS::Value> aResult,
  31                    mozilla::ErrorResult& aRv);
  32
  33   void NamedSetter(JSContext* aCx, const nsAString& aName,
  34                    JS::Handle<JS::Value> aValue, mozilla::ErrorResult& aRv);
  35
  36   uint32_t Length() const {
  37     // WebIDL requires a .length property when there's an indexed getter.
  38     // Unfortunately we don't know how many params there are in the async case,
  39     // so we have to lie.
  40     return UINT16_MAX;
  41   }
  42
  43   void IndexedGetter(JSContext* aCx, uint32_t aIndex, bool& aFound,
  44                      JS::MutableHandle<JS::Value> aResult,
  45                      mozilla::ErrorResult& aRv);
  46
  47   void IndexedSetter(JSContext* aCx, uint32_t aIndex,
  48                      JS::Handle<JS::Value> aValue, mozilla::ErrorResult& aRv);
  49
  50   void GetSupportedNames(nsTArray<nsString>& aNames);
  51
  52   JSObject* WrapObject(JSContext* aCx,
  53                        JS::Handle<JSObject*> aGivenProto) override;
  54
  55   nsPIDOMWindowInner* GetParentObject() const { return mWindow; }
  56
  57  private:
  58   virtual ~AsyncStatementParams() {}
  59
  60   nsCOMPtr<nsPIDOMWindowInner> mWindow;
  61   AsyncStatement* mStatement;
  62
  63   friend class AsyncStatementParamsHolder;
  64 };
  65
  66 }  // namespace storage
  67 }  // namespace mozilla
  68
  69 #endif  // mozilla_storage_mozStorageAsyncStatementParams_h_