mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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3b5666b1c3
--HG-- rename : dom/cellbroadcast/src/CellBroadcast.cpp => dom/cellbroadcast/CellBroadcast.cpp rename : dom/cellbroadcast/src/CellBroadcast.h => dom/cellbroadcast/CellBroadcast.h
113 lines
2.8 KiB
C++
113 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "CellBroadcast.h"
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#include "mozilla/dom/MozCellBroadcastBinding.h"
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#include "mozilla/dom/MozCellBroadcastEvent.h"
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#include "nsIDOMMozCellBroadcastMessage.h"
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#include "nsServiceManagerUtils.h"
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#define NS_RILCONTENTHELPER_CONTRACTID "@mozilla.org/ril/content-helper;1"
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using namespace mozilla::dom;
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/**
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* CellBroadcast::Listener Implementation.
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*/
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class CellBroadcast::Listener MOZ_FINAL : public nsICellBroadcastListener
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{
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private:
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CellBroadcast* mCellBroadcast;
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public:
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NS_DECL_ISUPPORTS
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NS_FORWARD_SAFE_NSICELLBROADCASTLISTENER(mCellBroadcast)
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Listener(CellBroadcast* aCellBroadcast)
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: mCellBroadcast(aCellBroadcast)
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{
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MOZ_ASSERT(mCellBroadcast);
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}
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void Disconnect()
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{
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MOZ_ASSERT(mCellBroadcast);
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mCellBroadcast = nullptr;
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}
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private:
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~Listener()
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{
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MOZ_ASSERT(!mCellBroadcast);
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}
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};
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NS_IMPL_ISUPPORTS(CellBroadcast::Listener, nsICellBroadcastListener)
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/**
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* CellBroadcast Implementation.
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*/
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// static
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already_AddRefed<CellBroadcast>
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CellBroadcast::Create(nsPIDOMWindow* aWindow, ErrorResult& aRv)
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{
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MOZ_ASSERT(aWindow);
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MOZ_ASSERT(aWindow->IsInnerWindow());
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nsCOMPtr<nsICellBroadcastProvider> provider =
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do_GetService(NS_RILCONTENTHELPER_CONTRACTID);
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if (!provider) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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nsRefPtr<CellBroadcast> cb = new CellBroadcast(aWindow, provider);
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return cb.forget();
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}
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CellBroadcast::CellBroadcast(nsPIDOMWindow *aWindow,
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nsICellBroadcastProvider *aProvider)
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: DOMEventTargetHelper(aWindow)
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, mProvider(aProvider)
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{
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mListener = new Listener(this);
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DebugOnly<nsresult> rv = mProvider->RegisterCellBroadcastMsg(mListener);
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NS_WARN_IF_FALSE(NS_SUCCEEDED(rv),
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"Failed registering Cell Broadcast callback with provider");
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}
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CellBroadcast::~CellBroadcast()
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{
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MOZ_ASSERT(mProvider && mListener);
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mListener->Disconnect();
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mProvider->UnregisterCellBroadcastMsg(mListener);
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}
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NS_IMPL_ISUPPORTS_INHERITED0(CellBroadcast, DOMEventTargetHelper)
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JSObject*
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CellBroadcast::WrapObject(JSContext* aCx)
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{
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return MozCellBroadcastBinding::Wrap(aCx, this);
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}
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// Forwarded nsICellBroadcastListener methods
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NS_IMETHODIMP
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CellBroadcast::NotifyMessageReceived(nsIDOMMozCellBroadcastMessage* aMessage)
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{
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MozCellBroadcastEventInit init;
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init.mBubbles = true;
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init.mCancelable = false;
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init.mMessage = aMessage;
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nsRefPtr<MozCellBroadcastEvent> event =
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MozCellBroadcastEvent::Constructor(this, NS_LITERAL_STRING("received"), init);
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return DispatchTrustedEvent(event);
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}
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