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56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
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/* -*- 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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#ifndef mozilla_dom_TVServiceRunnables_h
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#define mozilla_dom_TVServiceRunnables_h
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#include "nsITVService.h"
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#include "nsThreadUtils.h"
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namespace mozilla {
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namespace dom {
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/*
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* NOTE: The callbacks passing to |nsITVService| must be called asynchronously.
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* In the implementation, actual runnable objects may need to be created and
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* call the callback off of the runnables, after the function returns. Here are
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* some ready-made runnables and could be used in the following way.
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*
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* nsCOMPtr<nsIRunnable> runnable =
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* new TVServiceNotifyRunnable(callback, dataList, optional errorCode);
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* return NS_DispatchToCurrentThread(runnable);
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*/
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class TVServiceNotifyRunnable MOZ_FINAL : public nsRunnable
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{
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public:
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TVServiceNotifyRunnable(nsITVServiceCallback* aCallback,
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nsIArray* aDataList,
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uint16_t aErrorCode = nsITVServiceCallback::TV_ERROR_OK)
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: mCallback(aCallback)
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, mDataList(aDataList)
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, mErrorCode(aErrorCode)
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{}
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NS_IMETHOD Run()
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{
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if (mErrorCode == nsITVServiceCallback::TV_ERROR_OK) {
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return mCallback->NotifySuccess(mDataList);
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} else {
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return mCallback->NotifyError(mErrorCode);
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}
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}
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private:
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nsCOMPtr<nsITVServiceCallback> mCallback;
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nsCOMPtr<nsIArray> mDataList;
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uint16_t mErrorCode;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_TVServiceRunnables_h
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