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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: */
/* 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/. */
#include "SDBRequest.h"
// Local includes
#include "SDBConnection.h"
// Global includes
#include <utility>
#include "mozilla/MacroForEach.h"
#include "nsError.h"
#include "nsISDBCallbacks.h"
#include "nsISupportsUtils.h"
#include "nsIVariant.h"
#include "nsThreadUtils.h"
#include "nscore.h"
namespace mozilla::dom {
SDBRequest::SDBRequest(SDBConnection* aConnection)
: mConnection(aConnection),
mResultCode(NS_OK),
mHaveResultOrErrorCode(false) {
AssertIsOnOwningThread();
MOZ_ASSERT(aConnection);
}
SDBRequest::~SDBRequest() { AssertIsOnOwningThread(); }
void SDBRequest::SetResult(nsIVariant* aResult) {
AssertIsOnOwningThread();
MOZ_ASSERT(aResult);
MOZ_ASSERT(mConnection);
MOZ_ASSERT(!mHaveResultOrErrorCode);
mResult = aResult;
mHaveResultOrErrorCode = true;
FireCallback();
}
void SDBRequest::SetError(nsresult aRv) {
AssertIsOnOwningThread();
MOZ_ASSERT(mConnection);
MOZ_ASSERT(mResultCode == NS_OK);
MOZ_ASSERT(!mHaveResultOrErrorCode);
mResultCode = aRv;
mHaveResultOrErrorCode = true;
FireCallback();
}
void SDBRequest::FireCallback() {
AssertIsOnOwningThread();
if (mCallback) {
nsCOMPtr<nsISDBCallback> callback;
callback.swap(mCallback);
MOZ_ALWAYS_SUCCEEDS(
NS_DispatchToCurrentThread(NewRunnableMethod<RefPtr<SDBRequest>>(
"nsISDBCallback::OnComplete", callback, &nsISDBCallback::OnComplete,
this)));
}
}
NS_IMPL_CYCLE_COLLECTING_ADDREF(SDBRequest)
NS_IMPL_CYCLE_COLLECTING_RELEASE(SDBRequest)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SDBRequest)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_ENTRY(nsISDBRequest)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTION(SDBRequest, mCallback, mResult)
NS_IMETHODIMP
SDBRequest::GetResult(nsIVariant** aResult) {
AssertIsOnOwningThread();
MOZ_ASSERT(aResult);
if (!mHaveResultOrErrorCode) {
return NS_ERROR_NOT_AVAILABLE;
}
NS_IF_ADDREF(*aResult = mResult);
return NS_OK;
}
NS_IMETHODIMP
SDBRequest::GetResultCode(nsresult* aResultCode) {
AssertIsOnOwningThread();
MOZ_ASSERT(aResultCode);
if (!mHaveResultOrErrorCode) {
return NS_ERROR_NOT_AVAILABLE;
}
*aResultCode = mResultCode;
return NS_OK;
}
NS_IMETHODIMP
SDBRequest::GetCallback(nsISDBCallback** aCallback) {
AssertIsOnOwningThread();
MOZ_ASSERT(aCallback);
NS_IF_ADDREF(*aCallback = mCallback);
return NS_OK;
}
NS_IMETHODIMP
SDBRequest::SetCallback(nsISDBCallback* aCallback) {
AssertIsOnOwningThread();
mCallback = aCallback;
return NS_OK;
}
} // namespace mozilla::dom
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