зеркало из https://github.com/mozilla/gecko-dev.git
148 строки
4.6 KiB
C++
148 строки
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Indexed Database.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Shawn Wilsher <me@shawnwilsher.com>
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* Ben Turner <bent.mozilla@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "IDBRequest.h"
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#include "nsIScriptContext.h"
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#include "nsIVariant.h"
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#include "nsComponentManagerUtils.h"
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#include "nsDOMClassInfo.h"
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#include "nsStringGlue.h"
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#include "nsThreadUtils.h"
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#include "IDBEvents.h"
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USING_INDEXEDDB_NAMESPACE
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IDBRequest::IDBRequest(Generator* aGenerator,
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bool aWriteRequest)
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: mGenerator(aGenerator),
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mReadyState(nsIIDBRequest::INITIAL),
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mAborted(false),
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mWriteRequest(aWriteRequest)
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{
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NS_ASSERTION(aGenerator, "Null generator!");
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}
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IDBRequest::~IDBRequest()
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{
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mGenerator->NoteDyingRequest(this);
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if (mListenerManager) {
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mListenerManager->Disconnect();
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}
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}
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NS_IMETHODIMP
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IDBRequest::Abort()
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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if (mAborted || mReadyState != nsIIDBRequest::LOADING) {
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return NS_OK;
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}
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if (mWriteRequest) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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mAborted = true;
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mReadyState = nsIIDBRequest::DONE;
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return NS_OK;
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}
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NS_IMETHODIMP
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IDBRequest::GetReadyState(PRUint16* aReadyState)
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{
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*aReadyState = mReadyState;
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return NS_OK;
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}
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NS_IMETHODIMP
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IDBRequest::SetOnsuccess(nsIDOMEventListener* aSuccessListener)
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{
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return RemoveAddEventListener(NS_LITERAL_STRING(SUCCESS_EVT_STR),
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mOnSuccessListener, aSuccessListener);
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}
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NS_IMETHODIMP
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IDBRequest::GetOnsuccess(nsIDOMEventListener** aSuccessListener)
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{
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return GetInnerEventListener(mOnSuccessListener, aSuccessListener);
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}
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NS_IMETHODIMP
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IDBRequest::SetOnerror(nsIDOMEventListener* aErrorListener)
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{
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return RemoveAddEventListener(NS_LITERAL_STRING(ERROR_EVT_STR),
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mOnErrorListener, aErrorListener);
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}
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NS_IMETHODIMP
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IDBRequest::GetOnerror(nsIDOMEventListener** aErrorListener)
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{
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return GetInnerEventListener(mOnErrorListener, aErrorListener);
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(IDBRequest)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(IDBRequest,
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nsDOMEventTargetHelper)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mOnSuccessListener)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mOnErrorListener)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(IDBRequest,
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nsDOMEventTargetHelper)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mOnSuccessListener)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mOnErrorListener)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(IDBRequest)
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NS_INTERFACE_MAP_ENTRY(nsIIDBRequest)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(IDBRequest)
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NS_INTERFACE_MAP_END_INHERITING(nsDOMEventTargetHelper)
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NS_IMPL_ADDREF_INHERITED(IDBRequest, nsDOMEventTargetHelper)
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NS_IMPL_RELEASE_INHERITED(IDBRequest, nsDOMEventTargetHelper)
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DOMCI_DATA(IDBRequest, IDBRequest)
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