mirror of
https://github.com/classilla/tenfourfox.git
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103 lines
2.6 KiB
C++
103 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "DataStoreRevision.h"
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#include "DataStoreCallbacks.h"
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#include "DataStoreService.h"
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#include "mozilla/dom/DataStoreBinding.h"
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#include "mozilla/dom/ToJSValue.h"
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#include "mozilla/dom/indexedDB/IDBObjectStore.h"
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#include "mozilla/dom/indexedDB/IDBRequest.h"
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#include "nsIDOMEvent.h"
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namespace mozilla {
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namespace dom {
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using namespace indexedDB;
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NS_IMPL_ISUPPORTS(DataStoreRevision, nsIDOMEventListener)
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// Note: this code in it must not assume anything about the compartment cx is
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// in.
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nsresult
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DataStoreRevision::AddRevision(JSContext* aCx,
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IDBObjectStore* aStore,
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uint32_t aObjectId,
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RevisionType aRevisionType,
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DataStoreRevisionCallback* aCallback)
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{
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MOZ_ASSERT(aStore);
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MOZ_ASSERT(aCallback);
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RefPtr<DataStoreService> service = DataStoreService::Get();
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if (!service) {
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return NS_ERROR_FAILURE;
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}
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nsString id;
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nsresult rv = service->GenerateUUID(mRevisionID);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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DataStoreRevisionData data;
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data.mRevisionId = mRevisionID;
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data.mObjectId = aObjectId;
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switch (aRevisionType) {
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case RevisionVoid:
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data.mOperation = NS_LITERAL_STRING("void");
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break;
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default:
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MOZ_CRASH("This should not happen");
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}
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JS::Rooted<JS::Value> value(aCx);
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if (!ToJSValue(aCx, data, &value)) {
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return NS_ERROR_FAILURE;
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}
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ErrorResult error;
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mRequest = aStore->Put(aCx, value, JS::UndefinedHandleValue, error);
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if (NS_WARN_IF(error.Failed())) {
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return error.StealNSResult();
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}
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rv = mRequest->EventTarget::AddEventListener(NS_LITERAL_STRING("success"),
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this, false);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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mCallback = aCallback;
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return NS_OK;
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}
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NS_IMETHODIMP
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DataStoreRevision::HandleEvent(nsIDOMEvent* aEvent)
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{
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nsString type;
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nsresult rv = aEvent->GetType(type);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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if (!type.EqualsASCII("success")) {
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MOZ_CRASH("This should not happen");
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}
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mRequest->RemoveEventListener(NS_LITERAL_STRING("success"), this, false);
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mRequest = nullptr;
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mCallback->Run(mRevisionID);
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return NS_OK;
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}
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} // namespace dom
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} // namespace mozilla
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