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https://github.com/mozilla/gecko-dev.git
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265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
119 lines
2.7 KiB
C++
119 lines
2.7 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "SDBRequest.h"
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#include "nsISDBCallbacks.h"
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#include "nsThreadUtils.h"
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#include "SDBConnection.h"
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namespace mozilla {
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namespace dom {
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SDBRequest::SDBRequest(SDBConnection* aConnection)
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: mConnection(aConnection),
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mResultCode(NS_OK),
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mHaveResultOrErrorCode(false) {
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AssertIsOnOwningThread();
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MOZ_ASSERT(aConnection);
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}
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SDBRequest::~SDBRequest() { AssertIsOnOwningThread(); }
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void SDBRequest::SetResult(nsIVariant* aResult) {
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AssertIsOnOwningThread();
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MOZ_ASSERT(aResult);
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MOZ_ASSERT(mConnection);
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MOZ_ASSERT(!mHaveResultOrErrorCode);
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mResult = aResult;
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mHaveResultOrErrorCode = true;
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FireCallback();
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}
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void SDBRequest::SetError(nsresult aRv) {
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AssertIsOnOwningThread();
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MOZ_ASSERT(mConnection);
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MOZ_ASSERT(mResultCode == NS_OK);
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MOZ_ASSERT(!mHaveResultOrErrorCode);
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mResultCode = aRv;
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mHaveResultOrErrorCode = true;
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FireCallback();
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}
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void SDBRequest::FireCallback() {
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AssertIsOnOwningThread();
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if (mCallback) {
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nsCOMPtr<nsISDBCallback> callback;
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callback.swap(mCallback);
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MOZ_ALWAYS_SUCCEEDS(
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NS_DispatchToCurrentThread(NewRunnableMethod<RefPtr<SDBRequest>>(
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"nsISDBCallback::OnComplete", callback, &nsISDBCallback::OnComplete,
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this)));
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}
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}
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NS_IMPL_CYCLE_COLLECTING_ADDREF(SDBRequest)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(SDBRequest)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SDBRequest)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_ENTRY(nsISDBRequest)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTION(SDBRequest, mCallback, mResult)
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NS_IMETHODIMP
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SDBRequest::GetResult(nsIVariant** aResult) {
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AssertIsOnOwningThread();
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MOZ_ASSERT(aResult);
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if (!mHaveResultOrErrorCode) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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NS_IF_ADDREF(*aResult = mResult);
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return NS_OK;
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}
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NS_IMETHODIMP
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SDBRequest::GetResultCode(nsresult* aResultCode) {
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AssertIsOnOwningThread();
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MOZ_ASSERT(aResultCode);
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if (!mHaveResultOrErrorCode) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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*aResultCode = mResultCode;
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return NS_OK;
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}
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NS_IMETHODIMP
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SDBRequest::GetCallback(nsISDBCallback** aCallback) {
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AssertIsOnOwningThread();
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MOZ_ASSERT(aCallback);
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NS_IF_ADDREF(*aCallback = mCallback);
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return NS_OK;
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}
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NS_IMETHODIMP
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SDBRequest::SetCallback(nsISDBCallback* aCallback) {
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AssertIsOnOwningThread();
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mCallback = aCallback;
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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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