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 "mozilla/ErrorResult.h"
  12 #include "nsPIDOMWindow.h"
  13 #include "nsWrapperCache.h"
  14
  15 namespace mozilla {
  16 namespace storage {
  17
  18 class AsyncStatement;
  19
  20 class AsyncStatementParams final : public nsISupports
  21                                  , public nsWrapperCache
  22 {
  23 public:
  24   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  25   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(AsyncStatementParams)
  26
  27   explicit AsyncStatementParams(nsPIDOMWindowInner* aWindow, AsyncStatement* aStatement);
  28
  29   void NamedGetter(JSContext* aCx,
  30                    const nsAString& aName,
  31                    bool& aFound,
  32                    JS::MutableHandle<JS::Value> aResult,
  33                    mozilla::ErrorResult& aRv);
  34
  35   void NamedSetter(JSContext* aCx,
  36                    const nsAString& aName,
  37                    JS::Handle<JS::Value> aValue,
  38                    mozilla::ErrorResult& aRv);
  39
  40   uint32_t Length() const {
  41     // WebIDL requires a .length property when there's an indexed getter.
  42     // Unfortunately we don't know how many params there are in the async case,
  43     // so we have to lie.
  44     return UINT16_MAX;
  45   }
  46
  47   void IndexedGetter(JSContext* aCx,
  48                      uint32_t aIndex,
  49                      bool& aFound,
  50                      JS::MutableHandle<JS::Value> aResult,
  51                      mozilla::ErrorResult& aRv);
  52
  53   void IndexedSetter(JSContext* aCx,
  54                      uint32_t aIndex,
  55                      JS::Handle<JS::Value> aValue,
  56                      mozilla::ErrorResult& aRv);
  57
  58   void GetSupportedNames(nsTArray<nsString>& aNames);
  59
  60   JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
  61
  62   nsPIDOMWindowInner* GetParentObject() const
  63   {
  64     return mWindow;
  65   }
  66
  67 private:
  68   virtual ~AsyncStatementParams() {}
  69
  70   nsCOMPtr<nsPIDOMWindowInner> mWindow;
  71   AsyncStatement* mStatement;
  72
  73   friend class AsyncStatementParamsHolder;
  74 };
  75
  76 } // namespace storage
  77 } // namespace mozilla
  78
  79 #endif // mozilla_storage_mozStorageAsyncStatementParams_h_