Add m-esr52 at 52.6.0

1 files changed, 234 insertions, 0 deletions

diff --git a/dom/indexedDB/IDBIndex.h b/dom/indexedDB/IDBIndex.h
new file mode 100644
index 0000000000..54b49f2832
--- /dev/null
+++ b/dom/indexedDB/IDBIndex.h
@@ -0,0 +1,234 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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_dom_idbindex_h__
+#define mozilla_dom_idbindex_h__
+
+#include "js/RootingAPI.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/IDBCursorBinding.h"
+#include "nsAutoPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsISupports.h"
+#include "nsTArrayForwardDeclare.h"
+#include "nsWrapperCache.h"
+
+class nsPIDOMWindowInner;
+
+namespace mozilla {
+
+class ErrorResult;
+
+namespace dom {
+
+class IDBObjectStore;
+class IDBRequest;
+template <typename> class Sequence;
+
+namespace indexedDB {
+class IndexMetadata;
+class KeyPath;
+} // namespace indexedDB
+
+class IDBIndex final
+  : public nsISupports
+  , public nsWrapperCache
+{
+  RefPtr<IDBObjectStore> mObjectStore;
+
+  JS::Heap<JS::Value> mCachedKeyPath;
+
+  // This normally points to the IndexMetadata owned by the parent IDBDatabase
+  // object. However, if this index is part of a versionchange transaction and
+  // it gets deleted then the metadata is copied into mDeletedMetadata and
+  // mMetadata is set to point at mDeletedMetadata.
+  const indexedDB::IndexMetadata* mMetadata;
+  nsAutoPtr<indexedDB::IndexMetadata> mDeletedMetadata;
+
+  const int64_t mId;
+  bool mRooted;
+
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(IDBIndex)
+
+  static already_AddRefed<IDBIndex>
+  Create(IDBObjectStore* aObjectStore, const indexedDB::IndexMetadata& aMetadata);
+
+  int64_t
+  Id() const
+  {
+    AssertIsOnOwningThread();
+
+    return mId;
+  }
+
+  const nsString&
+  Name() const;
+
+  bool
+  Unique() const;
+
+  bool
+  MultiEntry() const;
+
+  bool
+  LocaleAware() const;
+
+  const indexedDB::KeyPath&
+  GetKeyPath() const;
+
+  void
+  GetLocale(nsString& aLocale) const;
+
+  const nsCString&
+  Locale() const;
+
+  bool
+  IsAutoLocale() const;
+
+  IDBObjectStore*
+  ObjectStore() const
+  {
+    AssertIsOnOwningThread();
+    return mObjectStore;
+  }
+
+  nsPIDOMWindowInner*
+  GetParentObject() const;
+
+  void
+  GetName(nsString& aName) const
+  {
+    aName = Name();
+  }
+
+  void
+  SetName(const nsAString& aName, ErrorResult& aRv);
+
+  void
+  GetKeyPath(JSContext* aCx,
+             JS::MutableHandle<JS::Value> aResult,
+             ErrorResult& aRv);
+
+  already_AddRefed<IDBRequest>
+  OpenCursor(JSContext* aCx,
+             JS::Handle<JS::Value> aRange,
+             IDBCursorDirection aDirection,
+             ErrorResult& aRv)
+  {
+    AssertIsOnOwningThread();
+
+    return OpenCursorInternal(/* aKeysOnly */ false, aCx, aRange, aDirection,
+                              aRv);
+  }
+
+  already_AddRefed<IDBRequest>
+  OpenKeyCursor(JSContext* aCx,
+                JS::Handle<JS::Value> aRange,
+                IDBCursorDirection aDirection,
+                ErrorResult& aRv)
+  {
+    AssertIsOnOwningThread();
+
+    return OpenCursorInternal(/* aKeysOnly */ true, aCx, aRange, aDirection,
+                              aRv);
+  }
+
+  already_AddRefed<IDBRequest>
+  Get(JSContext* aCx, JS::Handle<JS::Value> aKey, ErrorResult& aRv)
+  {
+    AssertIsOnOwningThread();
+
+    return GetInternal(/* aKeyOnly */ false, aCx, aKey, aRv);
+  }
+
+  already_AddRefed<IDBRequest>
+  GetKey(JSContext* aCx, JS::Handle<JS::Value> aKey, ErrorResult& aRv)
+  {
+    AssertIsOnOwningThread();
+
+    return GetInternal(/* aKeyOnly */ true, aCx, aKey, aRv);
+  }
+
+  already_AddRefed<IDBRequest>
+  Count(JSContext* aCx, JS::Handle<JS::Value> aKey,
+         ErrorResult& aRv);
+
+  already_AddRefed<IDBRequest>
+  GetAll(JSContext* aCx, JS::Handle<JS::Value> aKey,
+         const Optional<uint32_t>& aLimit, ErrorResult& aRv)
+  {
+    AssertIsOnOwningThread();
+
+    return GetAllInternal(/* aKeysOnly */ false, aCx, aKey, aLimit, aRv);
+  }
+
+  already_AddRefed<IDBRequest>
+  GetAllKeys(JSContext* aCx, JS::Handle<JS::Value> aKey,
+             const Optional<uint32_t>& aLimit, ErrorResult& aRv)
+  {
+    AssertIsOnOwningThread();
+
+    return GetAllInternal(/* aKeysOnly */ true, aCx, aKey, aLimit, aRv);
+  }
+
+  void
+  RefreshMetadata(bool aMayDelete);
+
+  void
+  NoteDeletion();
+
+  bool
+  IsDeleted() const
+  {
+    AssertIsOnOwningThread();
+
+    return !!mDeletedMetadata;
+  }
+
+  void
+  AssertIsOnOwningThread() const
+#ifdef DEBUG
+  ;
+#else
+  { }
+#endif
+
+  // nsWrapperCache
+  virtual JSObject*
+  WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+private:
+  IDBIndex(IDBObjectStore* aObjectStore, const indexedDB::IndexMetadata* aMetadata);
+
+  ~IDBIndex();
+
+  already_AddRefed<IDBRequest>
+  GetInternal(bool aKeyOnly,
+              JSContext* aCx,
+              JS::Handle<JS::Value> aKey,
+              ErrorResult& aRv);
+
+  already_AddRefed<IDBRequest>
+  GetAllInternal(bool aKeysOnly,
+                 JSContext* aCx,
+                 JS::Handle<JS::Value> aKey,
+                 const Optional<uint32_t>& aLimit,
+                 ErrorResult& aRv);
+
+  already_AddRefed<IDBRequest>
+  OpenCursorInternal(bool aKeysOnly,
+                     JSContext* aCx,
+                     JS::Handle<JS::Value> aRange,
+                     IDBCursorDirection aDirection,
+                     ErrorResult& aRv);
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_idbindex_h__