gecko-dev/dom/indexedDB/IDBRequest.h
2013-08-01 00:28:15 +02:00

204 lines
4.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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_indexeddb_idbrequest_h__
#define mozilla_dom_indexeddb_idbrequest_h__
#include "mozilla/dom/indexedDB/IndexedDatabase.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/DOMError.h"
#include "mozilla/dom/IDBRequestBinding.h"
#include "mozilla/ErrorResult.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
#include "mozilla/dom/indexedDB/IDBWrapperCache.h"
class nsIScriptContext;
class nsPIDOMWindow;
BEGIN_INDEXEDDB_NAMESPACE
class HelperBase;
class IDBFactory;
class IDBTransaction;
class IndexedDBRequestParentBase;
class IDBRequest : public IDBWrapperCache
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(IDBRequest,
IDBWrapperCache)
static
already_AddRefed<IDBRequest> Create(nsISupports* aSource,
IDBWrapperCache* aOwnerCache,
IDBTransaction* aTransaction);
// nsIDOMEventTarget
virtual nsresult PreHandleEvent(nsEventChainPreVisitor& aVisitor) MOZ_OVERRIDE;
nsISupports* Source()
{
return mSource;
}
void Reset();
nsresult NotifyHelperCompleted(HelperBase* aHelper);
void NotifyHelperSentResultsToChildProcess(nsresult aRv);
void SetError(nsresult aRv);
nsresult
GetErrorCode() const
#ifdef DEBUG
;
#else
{
return mErrorCode;
}
#endif
DOMError* GetError(ErrorResult& aRv);
JSContext* GetJSContext();
void
SetActor(IndexedDBRequestParentBase* aActorParent)
{
NS_ASSERTION(!aActorParent || !mActorParent,
"Shouldn't have more than one!");
mActorParent = aActorParent;
}
IndexedDBRequestParentBase*
GetActorParent() const
{
return mActorParent;
}
void CaptureCaller();
void FillScriptErrorEvent(nsScriptErrorEvent* aEvent) const;
bool
IsPending() const
{
return !mHaveResultOrErrorCode;
}
#ifdef MOZ_ENABLE_PROFILER_SPS
uint64_t
GetSerialNumber() const
{
return mSerialNumber;
}
#endif
// nsWrapperCache
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
// WebIDL
nsPIDOMWindow*
GetParentObject() const
{
return GetOwner();
}
JS::Value
GetResult(JSContext* aCx, ErrorResult& aRv) const;
nsISupports*
GetSource() const
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
return mSource;
}
IDBTransaction*
GetTransaction() const
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
return mTransaction;
}
IDBRequestReadyState
ReadyState() const;
IMPL_EVENT_HANDLER(success);
IMPL_EVENT_HANDLER(error);
protected:
IDBRequest();
~IDBRequest();
nsCOMPtr<nsISupports> mSource;
nsRefPtr<IDBTransaction> mTransaction;
JS::Heap<JS::Value> mResultVal;
nsRefPtr<mozilla::dom::DOMError> mError;
IndexedDBRequestParentBase* mActorParent;
nsString mFilename;
#ifdef MOZ_ENABLE_PROFILER_SPS
uint64_t mSerialNumber;
#endif
nsresult mErrorCode;
uint32_t mLineNo;
bool mHaveResultOrErrorCode;
};
class IDBOpenDBRequest : public IDBRequest
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBOpenDBRequest, IDBRequest)
static
already_AddRefed<IDBOpenDBRequest>
Create(IDBFactory* aFactory,
nsPIDOMWindow* aOwner,
JS::Handle<JSObject*> aScriptOwner);
void SetTransaction(IDBTransaction* aTransaction);
// nsIDOMEventTarget
virtual nsresult PostHandleEvent(nsEventChainPostVisitor& aVisitor) MOZ_OVERRIDE;
DOMError* GetError(ErrorResult& aRv)
{
return IDBRequest::GetError(aRv);
}
IDBFactory*
Factory() const
{
return mFactory;
}
// nsWrapperCache
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
// WebIDL
IMPL_EVENT_HANDLER(blocked);
IMPL_EVENT_HANDLER(upgradeneeded);
protected:
IDBOpenDBRequest();
~IDBOpenDBRequest();
// Only touched on the main thread.
nsRefPtr<IDBFactory> mFactory;
};
END_INDEXEDDB_NAMESPACE
#endif // mozilla_dom_indexeddb_idbrequest_h__