gecko-dev/dom/indexedDB/IDBKeyRange.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
2012-05-21 15:12:37 +04:00
/* 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_idbkeyrange_h__
#define mozilla_dom_idbkeyrange_h__
#include "js/RootingAPI.h"
#include "js/Value.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/IndexedDatabaseManager.h"
#include "mozilla/dom/indexedDB/Key.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupports.h"
#include "nsString.h"
class mozIStorageStatement;
struct PRThread;
namespace mozilla {
class ErrorResult;
namespace dom {
class GlobalObject;
namespace indexedDB {
class SerializedKeyRange;
} // namespace indexedDB
class IDBKeyRange
: public nsISupports
{
protected:
nsCOMPtr<nsISupports> mGlobal;
indexedDB::Key mLower;
indexedDB::Key mUpper;
JS::Heap<JS::Value> mCachedLowerVal;
JS::Heap<JS::Value> mCachedUpperVal;
const bool mLowerOpen : 1;
const bool mUpperOpen : 1;
const bool mIsOnly : 1;
bool mHaveCachedLowerVal : 1;
bool mHaveCachedUpperVal : 1;
bool mRooted : 1;
#ifdef DEBUG
PRThread* mOwningThread;
#endif
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(IDBKeyRange)
// aCx is allowed to be null, but only if aVal.isUndefined().
static nsresult
FromJSVal(JSContext* aCx,
JS::Handle<JS::Value> aVal,
IDBKeyRange** aKeyRange);
static already_AddRefed<IDBKeyRange>
FromSerialized(const indexedDB::SerializedKeyRange& aKeyRange);
static already_AddRefed<IDBKeyRange>
Only(const GlobalObject& aGlobal,
JS::Handle<JS::Value> aValue,
ErrorResult& aRv);
static already_AddRefed<IDBKeyRange>
LowerBound(const GlobalObject& aGlobal,
JS::Handle<JS::Value> aValue,
bool aOpen,
ErrorResult& aRv);
static already_AddRefed<IDBKeyRange>
UpperBound(const GlobalObject& aGlobal,
JS::Handle<JS::Value> aValue,
bool aOpen,
ErrorResult& aRv);
static already_AddRefed<IDBKeyRange>
Bound(const GlobalObject& aGlobal,
JS::Handle<JS::Value> aLower,
JS::Handle<JS::Value> aUpper,
bool aLowerOpen,
bool aUpperOpen,
ErrorResult& aRv);
void
AssertIsOnOwningThread() const
#ifdef DEBUG
;
#else
{ }
#endif
void
ToSerialized(indexedDB::SerializedKeyRange& aKeyRange) const;
const indexedDB::Key&
Lower() const
{
return mLower;
}
indexedDB::Key&
Lower()
{
return mLower;
}
const indexedDB::Key&
Upper() const
{
return mIsOnly ? mLower : mUpper;
}
indexedDB::Key&
Upper()
{
return mIsOnly ? mLower : mUpper;
}
bool
Includes(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) const;
bool
IsOnly() const
{
return mIsOnly;
}
void
GetBindingClause(const nsACString& aKeyColumnName,
nsACString& _retval) const;
nsresult
BindToStatement(mozIStorageStatement* aStatement) const;
void
DropJSObjects();
// WebIDL
bool
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector);
nsISupports*
GetParentObject() const
{
return mGlobal;
}
void
GetLower(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
ErrorResult& aRv);
void
GetUpper(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
ErrorResult& aRv);
bool
LowerOpen() const
{
return mLowerOpen;
}
bool
UpperOpen() const
{
return mUpperOpen;
}
protected:
IDBKeyRange(nsISupports* aGlobal,
bool aLowerOpen,
bool aUpperOpen,
bool aIsOnly);
virtual ~IDBKeyRange();
};
class IDBLocaleAwareKeyRange final
: public IDBKeyRange
{
IDBLocaleAwareKeyRange(nsISupports* aGlobal,
bool aLowerOpen,
bool aUpperOpen,
bool aIsOnly);
~IDBLocaleAwareKeyRange();
public:
static already_AddRefed<IDBLocaleAwareKeyRange>
Bound(const GlobalObject& aGlobal,
JS::Handle<JS::Value> aLower,
JS::Handle<JS::Value> aUpper,
bool aLowerOpen,
bool aUpperOpen,
ErrorResult& aRv);
NS_DECL_ISUPPORTS_INHERITED
// WebIDL
bool
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_idbkeyrange_h__