mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-11 02:56:06 +00:00
984 lines
27 KiB
C++
984 lines
27 KiB
C++
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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 "mozilla/dom/ContentParent.h"
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#include "mozilla/dom/HTMLIFrameElementBinding.h"
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#include "mozilla/dom/TabParent.h"
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#include "mozilla/Function.h"
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#include "mozilla/Logging.h"
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#include "mozilla/Move.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/Services.h"
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#include "nsContentUtils.h"
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#include "nsIDocShell.h"
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#include "nsIFrameLoader.h"
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#include "nsIMutableArray.h"
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#include "nsINetAddr.h"
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#include "nsISocketTransport.h"
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#include "nsISupportsPrimitives.h"
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#include "nsNetCID.h"
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#include "nsServiceManagerUtils.h"
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#include "nsThreadUtils.h"
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#include "PresentationService.h"
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#include "PresentationSessionInfo.h"
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#ifdef MOZ_WIDGET_ANDROID
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#include "nsIPresentationNetworkHelper.h"
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#endif // MOZ_WIDGET_ANDROID
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#ifdef MOZ_WIDGET_GONK
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#include "nsINetworkInterface.h"
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#include "nsINetworkManager.h"
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#endif
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using namespace mozilla;
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using namespace mozilla::dom;
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using namespace mozilla::services;
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static LazyLogModule gPresentationSessionInfoLog("PresentationSessionInfo");
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#undef LOG
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#define LOG(...) MOZ_LOG(gPresentationSessionInfoLog, mozilla::LogLevel::Error, (__VA_ARGS__))
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/*
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* Implementation of PresentationChannelDescription
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*/
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namespace mozilla {
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namespace dom {
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#ifdef MOZ_WIDGET_ANDROID
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namespace {
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class PresentationNetworkHelper final : public nsIPresentationNetworkHelperListener
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIPRESENTATIONNETWORKHELPERLISTENER
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using Function = nsresult(PresentationControllingInfo::*)(const nsACString&);
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explicit PresentationNetworkHelper(PresentationControllingInfo* aInfo,
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const Function& aFunc);
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nsresult GetWifiIPAddress();
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private:
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~PresentationNetworkHelper() = default;
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RefPtr<PresentationControllingInfo> mInfo;
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Function mFunc;
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};
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NS_IMPL_ISUPPORTS(PresentationNetworkHelper,
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nsIPresentationNetworkHelperListener)
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PresentationNetworkHelper::PresentationNetworkHelper(PresentationControllingInfo* aInfo,
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const Function& aFunc)
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: mInfo(aInfo)
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, mFunc(aFunc)
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{
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MOZ_ASSERT(aInfo);
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MOZ_ASSERT(aFunc);
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}
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nsresult
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PresentationNetworkHelper::GetWifiIPAddress()
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{
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nsresult rv;
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nsCOMPtr<nsIPresentationNetworkHelper> networkHelper =
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do_GetService(PRESENTATION_NETWORK_HELPER_CONTRACTID, &rv);
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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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return networkHelper->GetWifiIPAddress(this);
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}
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NS_IMETHODIMP
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PresentationNetworkHelper::OnError(const nsACString & aReason)
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{
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LOG("PresentationNetworkHelper::OnError: %s",
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nsPromiseFlatCString(aReason).get());
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return NS_OK;
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}
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NS_IMETHODIMP
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PresentationNetworkHelper::OnGetWifiIPAddress(const nsACString& aIPAddress)
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{
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MOZ_ASSERT(mInfo);
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MOZ_ASSERT(mFunc);
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NS_DispatchToMainThread(
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NS_NewRunnableMethodWithArg<nsCString>(mInfo,
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mFunc,
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aIPAddress));
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return NS_OK;
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}
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} // anonymous namespace
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#endif // MOZ_WIDGET_ANDROID
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class PresentationChannelDescription final : public nsIPresentationChannelDescription
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIPRESENTATIONCHANNELDESCRIPTION
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PresentationChannelDescription(const nsACString& aAddress,
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uint16_t aPort)
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: mAddress(aAddress)
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, mPort(aPort)
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{
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}
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private:
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~PresentationChannelDescription() {}
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nsCString mAddress;
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uint16_t mPort;
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};
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} // namespace dom
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} // namespace mozilla
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NS_IMPL_ISUPPORTS(PresentationChannelDescription, nsIPresentationChannelDescription)
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NS_IMETHODIMP
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PresentationChannelDescription::GetType(uint8_t* aRetVal)
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{
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if (NS_WARN_IF(!aRetVal)) {
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return NS_ERROR_INVALID_POINTER;
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}
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// TODO bug 1148307 Implement PresentationSessionTransport with DataChannel.
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// Only support TCP socket for now.
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*aRetVal = nsIPresentationChannelDescription::TYPE_TCP;
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return NS_OK;
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}
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NS_IMETHODIMP
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PresentationChannelDescription::GetTcpAddress(nsIArray** aRetVal)
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{
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if (NS_WARN_IF(!aRetVal)) {
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return NS_ERROR_INVALID_POINTER;
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}
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nsCOMPtr<nsIMutableArray> array = do_CreateInstance(NS_ARRAY_CONTRACTID);
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if (NS_WARN_IF(!array)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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// TODO bug 1148307 Implement PresentationSessionTransport with DataChannel.
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// Ultimately we may use all the available addresses. DataChannel appears
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// more robust upon handling ICE. And at the first stage Presentation API is
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// only exposed on Firefox OS where the first IP appears enough for most
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// scenarios.
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nsCOMPtr<nsISupportsCString> address = do_CreateInstance(NS_SUPPORTS_CSTRING_CONTRACTID);
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if (NS_WARN_IF(!address)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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address->SetData(mAddress);
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array->AppendElement(address, false);
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array.forget(aRetVal);
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return NS_OK;
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}
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NS_IMETHODIMP
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PresentationChannelDescription::GetTcpPort(uint16_t* aRetVal)
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{
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if (NS_WARN_IF(!aRetVal)) {
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return NS_ERROR_INVALID_POINTER;
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}
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*aRetVal = mPort;
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return NS_OK;
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}
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NS_IMETHODIMP
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PresentationChannelDescription::GetDataChannelSDP(nsAString& aDataChannelSDP)
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{
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// TODO bug 1148307 Implement PresentationSessionTransport with DataChannel.
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// Only support TCP socket for now.
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aDataChannelSDP.Truncate();
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return NS_OK;
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}
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/*
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* Implementation of PresentationSessionInfo
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*/
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NS_IMPL_ISUPPORTS(PresentationSessionInfo,
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nsIPresentationSessionTransportCallback,
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nsIPresentationControlChannelListener);
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/* virtual */ nsresult
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PresentationSessionInfo::Init(nsIPresentationControlChannel* aControlChannel)
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{
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SetControlChannel(aControlChannel);
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return NS_OK;
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}
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/* virtual */ void
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PresentationSessionInfo::Shutdown(nsresult aReason)
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{
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NS_WARN_IF(NS_FAILED(aReason));
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// Close the control channel if any.
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if (mControlChannel) {
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NS_WARN_IF(NS_FAILED(mControlChannel->Close(aReason)));
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}
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// Close the data transport channel if any.
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if (mTransport) {
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// |mIsTransportReady| will be unset once |NotifyTransportClosed| is called.
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NS_WARN_IF(NS_FAILED(mTransport->Close(aReason)));
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}
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mIsResponderReady = false;
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}
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nsresult
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PresentationSessionInfo::SetListener(nsIPresentationSessionListener* aListener)
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{
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mListener = aListener;
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if (mListener) {
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// Enable data notification for the transport channel if it's available.
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if (mTransport) {
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nsresult rv = mTransport->EnableDataNotification();
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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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}
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// The transport might become ready, or might become un-ready again, before
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// the listener has registered. So notify the listener of the state change.
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return mListener->NotifyStateChange(mSessionId, mState);
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}
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return NS_OK;
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}
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nsresult
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PresentationSessionInfo::Send(nsIInputStream* aData)
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{
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if (NS_WARN_IF(!IsSessionReady())) {
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return NS_ERROR_DOM_INVALID_STATE_ERR;
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}
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if (NS_WARN_IF(!mTransport)) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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return mTransport->Send(aData);
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}
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nsresult
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PresentationSessionInfo::Close(nsresult aReason,
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uint32_t aState)
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{
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if (NS_WARN_IF(!IsSessionReady())) {
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return NS_ERROR_DOM_INVALID_STATE_ERR;
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}
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SetState(aState);
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Shutdown(aReason);
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return NS_OK;
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}
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nsresult
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PresentationSessionInfo::ReplySuccess()
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{
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SetState(nsIPresentationSessionListener::STATE_CONNECTED);
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if (mCallback) {
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NS_WARN_IF(NS_FAILED(mCallback->NotifySuccess()));
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SetCallback(nullptr);
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}
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return NS_OK;
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}
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nsresult
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PresentationSessionInfo::ReplyError(nsresult aError)
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{
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Shutdown(aError);
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if (mCallback) {
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NS_WARN_IF(NS_FAILED(mCallback->NotifyError(aError)));
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SetCallback(nullptr);
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}
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// Remove itself since it never succeeds.
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return UntrackFromService();
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}
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/* virtual */ nsresult
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PresentationSessionInfo::UntrackFromService()
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{
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nsCOMPtr<nsIPresentationService> service =
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do_GetService(PRESENTATION_SERVICE_CONTRACTID);
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if (NS_WARN_IF(!service)) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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static_cast<PresentationService*>(service.get())->UntrackSessionInfo(mSessionId);
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return NS_OK;
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}
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/* virtual */ bool
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PresentationSessionInfo::IsAccessible(base::ProcessId aProcessId)
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{
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// No restriction by default.
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return true;
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}
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// nsIPresentationSessionTransportCallback
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NS_IMETHODIMP
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PresentationSessionInfo::NotifyTransportReady()
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{
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MOZ_ASSERT(NS_IsMainThread());
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mIsTransportReady = true;
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// At sender side, session might not be ready at this point (waiting for
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// receiver's answer). Yet at receiver side, session must be ready at this
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// point since the data transport channel is created after the receiver page
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// is ready for presentation use.
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if (IsSessionReady()) {
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return ReplySuccess();
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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PresentationSessionInfo::NotifyTransportClosed(nsresult aReason)
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{
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MOZ_ASSERT(NS_IsMainThread());
|
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// Nullify |mTransport| here so it won't try to re-close |mTransport| in
|
||
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// potential subsequent |Shutdown| calls.
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mTransport->SetCallback(nullptr);
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mTransport = nullptr;
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if (NS_WARN_IF(!IsSessionReady())) {
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// It happens before the session is ready. Reply the callback.
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return ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
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|
}
|
||
|
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// Unset |mIsTransportReady| here so it won't affect |IsSessionReady()| above.
|
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mIsTransportReady = false;
|
||
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|
if (mState == nsIPresentationSessionListener::STATE_CONNECTED) {
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// The transport channel is closed unexpectedly (not caused by a |Close| call).
|
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SetState(nsIPresentationSessionListener::STATE_CLOSED);
|
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}
|
||
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||
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Shutdown(aReason);
|
||
|
|
||
|
if (mState == nsIPresentationSessionListener::STATE_TERMINATED) {
|
||
|
// Directly untrack the session info from the service.
|
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return UntrackFromService();
|
||
|
}
|
||
|
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|
return NS_OK;
|
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|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
PresentationSessionInfo::NotifyData(const nsACString& aData)
|
||
|
{
|
||
|
MOZ_ASSERT(NS_IsMainThread());
|
||
|
|
||
|
if (NS_WARN_IF(!IsSessionReady())) {
|
||
|
return NS_ERROR_DOM_INVALID_STATE_ERR;
|
||
|
}
|
||
|
|
||
|
if (NS_WARN_IF(!mListener)) {
|
||
|
return NS_ERROR_NOT_AVAILABLE;
|
||
|
}
|
||
|
|
||
|
return mListener->NotifyMessage(mSessionId, aData);
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Implementation of PresentationControllingInfo
|
||
|
*
|
||
|
* During presentation session establishment, the sender expects the following
|
||
|
* after trying to establish the control channel: (The order between step 3 and
|
||
|
* 4 is not guaranteed.)
|
||
|
* 1. |Init| is called to open a socket |mServerSocket| for data transport
|
||
|
* channel.
|
||
|
* 2. |NotifyOpened| of |nsIPresentationControlChannelListener| is called to
|
||
|
* indicate the control channel is ready to use. Then send the offer to the
|
||
|
* receiver via the control channel.
|
||
|
* 3.1 |OnSocketAccepted| of |nsIServerSocketListener| is called to indicate the
|
||
|
* data transport channel is connected. Then initialize |mTransport|.
|
||
|
* 3.2 |NotifyTransportReady| of |nsIPresentationSessionTransportCallback| is
|
||
|
* called.
|
||
|
* 4. |OnAnswer| of |nsIPresentationControlChannelListener| is called to
|
||
|
* indicate the receiver is ready. Close the control channel since it's no
|
||
|
* longer needed.
|
||
|
* 5. Once both step 3 and 4 are done, the presentation session is ready to use.
|
||
|
* So notify the listener of CONNECTED state.
|
||
|
*/
|
||
|
|
||
|
NS_IMPL_ISUPPORTS_INHERITED(PresentationControllingInfo,
|
||
|
PresentationSessionInfo,
|
||
|
nsIServerSocketListener)
|
||
|
|
||
|
nsresult
|
||
|
PresentationControllingInfo::Init(nsIPresentationControlChannel* aControlChannel)
|
||
|
{
|
||
|
PresentationSessionInfo::Init(aControlChannel);
|
||
|
|
||
|
// Initialize |mServerSocket| for bootstrapping the data transport channel and
|
||
|
// use |this| as the listener.
|
||
|
mServerSocket = do_CreateInstance(NS_SERVERSOCKET_CONTRACTID);
|
||
|
if (NS_WARN_IF(!mServerSocket)) {
|
||
|
return ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
}
|
||
|
|
||
|
nsresult rv = mServerSocket->Init(-1, false, -1);
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
rv = mServerSocket->AsyncListen(this);
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
PresentationControllingInfo::Shutdown(nsresult aReason)
|
||
|
{
|
||
|
PresentationSessionInfo::Shutdown(aReason);
|
||
|
|
||
|
// Close the server socket if any.
|
||
|
if (mServerSocket) {
|
||
|
NS_WARN_IF(NS_FAILED(mServerSocket->Close()));
|
||
|
mServerSocket = nullptr;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
nsresult
|
||
|
PresentationControllingInfo::GetAddress()
|
||
|
{
|
||
|
#if defined(MOZ_WIDGET_GONK)
|
||
|
nsCOMPtr<nsINetworkManager> networkManager =
|
||
|
do_GetService("@mozilla.org/network/manager;1");
|
||
|
if (NS_WARN_IF(!networkManager)) {
|
||
|
return NS_ERROR_NOT_AVAILABLE;
|
||
|
}
|
||
|
|
||
|
nsCOMPtr<nsINetworkInfo> activeNetworkInfo;
|
||
|
networkManager->GetActiveNetworkInfo(getter_AddRefs(activeNetworkInfo));
|
||
|
if (NS_WARN_IF(!activeNetworkInfo)) {
|
||
|
return NS_ERROR_FAILURE;
|
||
|
}
|
||
|
|
||
|
char16_t** ips = nullptr;
|
||
|
uint32_t* prefixes = nullptr;
|
||
|
uint32_t count = 0;
|
||
|
activeNetworkInfo->GetAddresses(&ips, &prefixes, &count);
|
||
|
if (NS_WARN_IF(!count)) {
|
||
|
NS_Free(prefixes);
|
||
|
NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(count, ips);
|
||
|
return NS_ERROR_FAILURE;
|
||
|
}
|
||
|
|
||
|
// TODO bug 1148307 Implement PresentationSessionTransport with DataChannel.
|
||
|
// Ultimately we may use all the available addresses. DataChannel appears
|
||
|
// more robust upon handling ICE. And at the first stage Presentation API is
|
||
|
// only exposed on Firefox OS where the first IP appears enough for most
|
||
|
// scenarios.
|
||
|
nsAutoString ip;
|
||
|
ip.Assign(ips[0]);
|
||
|
|
||
|
// On Android platform, the IP address is retrieved from a callback function.
|
||
|
// To make consistent code sequence, following function call is dispatched
|
||
|
// into main thread instead of calling it directly.
|
||
|
NS_DispatchToMainThread(
|
||
|
NS_NewRunnableMethodWithArg<nsCString>(
|
||
|
this,
|
||
|
&PresentationControllingInfo::OnGetAddress,
|
||
|
NS_ConvertUTF16toUTF8(ip)));
|
||
|
|
||
|
NS_Free(prefixes);
|
||
|
NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(count, ips);
|
||
|
|
||
|
#elif defined(MOZ_WIDGET_ANDROID)
|
||
|
RefPtr<PresentationNetworkHelper> networkHelper =
|
||
|
new PresentationNetworkHelper(this,
|
||
|
&PresentationControllingInfo::OnGetAddress);
|
||
|
nsresult rv = networkHelper->GetWifiIPAddress();
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
#else
|
||
|
// TODO Get host IP via other platforms.
|
||
|
|
||
|
NS_DispatchToMainThread(
|
||
|
NS_NewRunnableMethodWithArg<nsCString>(
|
||
|
this,
|
||
|
&PresentationControllingInfo::OnGetAddress,
|
||
|
EmptyCString()));
|
||
|
#endif
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
PresentationControllingInfo::OnIceCandidate(const nsAString& aCandidate)
|
||
|
{
|
||
|
MOZ_ASSERT(false, "Should not receive ICE candidates.");
|
||
|
return NS_ERROR_FAILURE;
|
||
|
}
|
||
|
|
||
|
nsresult
|
||
|
PresentationControllingInfo::OnGetAddress(const nsACString& aAddress)
|
||
|
{
|
||
|
MOZ_ASSERT(NS_IsMainThread());
|
||
|
|
||
|
// Prepare and send the offer.
|
||
|
int32_t port;
|
||
|
nsresult rv = mServerSocket->GetPort(&port);
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
RefPtr<PresentationChannelDescription> description =
|
||
|
new PresentationChannelDescription(aAddress, static_cast<uint16_t>(port));
|
||
|
return mControlChannel->SendOffer(description);
|
||
|
}
|
||
|
|
||
|
// nsIPresentationControlChannelListener
|
||
|
NS_IMETHODIMP
|
||
|
PresentationControllingInfo::OnOffer(nsIPresentationChannelDescription* aDescription)
|
||
|
{
|
||
|
MOZ_ASSERT(false, "Sender side should not receive offer.");
|
||
|
return NS_ERROR_FAILURE;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
PresentationControllingInfo::OnAnswer(nsIPresentationChannelDescription* aDescription)
|
||
|
{
|
||
|
mIsResponderReady = true;
|
||
|
|
||
|
// Close the control channel since it's no longer needed.
|
||
|
nsresult rv = mControlChannel->Close(NS_OK);
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
return ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
}
|
||
|
|
||
|
// Session might not be ready at this moment (waiting for the establishment of
|
||
|
// the data transport channel).
|
||
|
if (IsSessionReady()){
|
||
|
return ReplySuccess();
|
||
|
}
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
PresentationControllingInfo::NotifyOpened()
|
||
|
{
|
||
|
MOZ_ASSERT(NS_IsMainThread());
|
||
|
return GetAddress();
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
PresentationControllingInfo::NotifyClosed(nsresult aReason)
|
||
|
{
|
||
|
MOZ_ASSERT(NS_IsMainThread());
|
||
|
|
||
|
// Unset control channel here so it won't try to re-close it in potential
|
||
|
// subsequent |Shutdown| calls.
|
||
|
SetControlChannel(nullptr);
|
||
|
|
||
|
if (NS_WARN_IF(NS_FAILED(aReason) || !mIsResponderReady)) {
|
||
|
// The presentation session instance may already exist.
|
||
|
// Change the state to TERMINATED since it never succeeds.
|
||
|
SetState(nsIPresentationSessionListener::STATE_TERMINATED);
|
||
|
|
||
|
// Reply error for an abnormal close.
|
||
|
return ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
}
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
// nsIServerSocketListener
|
||
|
NS_IMETHODIMP
|
||
|
PresentationControllingInfo::OnSocketAccepted(nsIServerSocket* aServerSocket,
|
||
|
nsISocketTransport* aTransport)
|
||
|
{
|
||
|
MOZ_ASSERT(NS_IsMainThread());
|
||
|
|
||
|
// Initialize |mTransport| and use |this| as the callback.
|
||
|
mTransport = do_CreateInstance(PRESENTATION_SESSION_TRANSPORT_CONTRACTID);
|
||
|
if (NS_WARN_IF(!mTransport)) {
|
||
|
return ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
}
|
||
|
|
||
|
nsresult rv = mTransport->InitWithSocketTransport(aTransport, this);
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
// Enable data notification if the listener has been registered.
|
||
|
if (mListener) {
|
||
|
return mTransport->EnableDataNotification();
|
||
|
}
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
PresentationControllingInfo::OnStopListening(nsIServerSocket* aServerSocket,
|
||
|
nsresult aStatus)
|
||
|
{
|
||
|
MOZ_ASSERT(NS_IsMainThread());
|
||
|
|
||
|
if (aStatus == NS_BINDING_ABORTED) { // The server socket was manually closed.
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
Shutdown(aStatus);
|
||
|
|
||
|
if (NS_WARN_IF(!IsSessionReady())) {
|
||
|
// It happens before the session is ready. Reply the callback.
|
||
|
return ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
}
|
||
|
|
||
|
// It happens after the session is ready. Change the state to CLOSED.
|
||
|
SetState(nsIPresentationSessionListener::STATE_CLOSED);
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Implementation of PresentationPresentingInfo
|
||
|
*
|
||
|
* During presentation session establishment, the receiver expects the following
|
||
|
* after trying to launch the app by notifying "presentation-launch-receiver":
|
||
|
* (The order between step 2 and 3 is not guaranteed.)
|
||
|
* 1. |Observe| of |nsIObserver| is called with "presentation-receiver-launched".
|
||
|
* Then start listen to document |STATE_TRANSFERRING| event.
|
||
|
* 2. |NotifyResponderReady| is called to indicate the receiver page is ready
|
||
|
* for presentation use.
|
||
|
* 3. |OnOffer| of |nsIPresentationControlChannelListener| is called.
|
||
|
* 4. Once both step 2 and 3 are done, establish the data transport channel and
|
||
|
* send the answer. (The control channel will be closed by the sender once it
|
||
|
* receives the answer.)
|
||
|
* 5. |NotifyTransportReady| of |nsIPresentationSessionTransportCallback| is
|
||
|
* called. The presentation session is ready to use, so notify the listener
|
||
|
* of CONNECTED state.
|
||
|
*/
|
||
|
|
||
|
NS_IMPL_ISUPPORTS_INHERITED(PresentationPresentingInfo,
|
||
|
PresentationSessionInfo,
|
||
|
nsITimerCallback)
|
||
|
|
||
|
nsresult
|
||
|
PresentationPresentingInfo::Init(nsIPresentationControlChannel* aControlChannel)
|
||
|
{
|
||
|
PresentationSessionInfo::Init(aControlChannel);
|
||
|
|
||
|
// Add a timer to prevent waiting indefinitely in case the receiver page fails
|
||
|
// to become ready.
|
||
|
nsresult rv;
|
||
|
int32_t timeout =
|
||
|
Preferences::GetInt("presentation.receiver.loading.timeout", 10000);
|
||
|
mTimer = do_CreateInstance(NS_TIMER_CONTRACTID, &rv);
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
return rv;
|
||
|
}
|
||
|
rv = mTimer->InitWithCallback(this, timeout, nsITimer::TYPE_ONE_SHOT);
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
PresentationPresentingInfo::Shutdown(nsresult aReason)
|
||
|
{
|
||
|
PresentationSessionInfo::Shutdown(aReason);
|
||
|
|
||
|
if (mTimer) {
|
||
|
mTimer->Cancel();
|
||
|
}
|
||
|
|
||
|
mLoadingCallback = nullptr;
|
||
|
mRequesterDescription = nullptr;
|
||
|
mPromise = nullptr;
|
||
|
}
|
||
|
|
||
|
nsresult
|
||
|
PresentationPresentingInfo::InitTransportAndSendAnswer()
|
||
|
{
|
||
|
// Establish a data transport channel |mTransport| to the sender and use
|
||
|
// |this| as the callback.
|
||
|
mTransport = do_CreateInstance(PRESENTATION_SESSION_TRANSPORT_CONTRACTID);
|
||
|
if (NS_WARN_IF(!mTransport)) {
|
||
|
return NS_ERROR_NOT_AVAILABLE;
|
||
|
}
|
||
|
|
||
|
nsresult rv = mTransport->InitWithChannelDescription(mRequesterDescription, this);
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
// Enable data notification if the listener has been registered.
|
||
|
if (mListener) {
|
||
|
rv = mTransport->EnableDataNotification();
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
return rv;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Prepare and send the answer.
|
||
|
// TODO bug 1148307 Implement PresentationSessionTransport with DataChannel.
|
||
|
// In the current implementation of |PresentationSessionTransport|,
|
||
|
// |GetSelfAddress| cannot return the real info when it's initialized via
|
||
|
// |InitWithChannelDescription|. Yet this deficiency only affects the channel
|
||
|
// description for the answer, which is not actually checked at requester side.
|
||
|
nsCOMPtr<nsINetAddr> selfAddr;
|
||
|
rv = mTransport->GetSelfAddress(getter_AddRefs(selfAddr));
|
||
|
NS_WARN_IF(NS_FAILED(rv));
|
||
|
|
||
|
nsCString address;
|
||
|
uint16_t port = 0;
|
||
|
if (NS_SUCCEEDED(rv)) {
|
||
|
selfAddr->GetAddress(address);
|
||
|
selfAddr->GetPort(&port);
|
||
|
}
|
||
|
nsCOMPtr<nsIPresentationChannelDescription> description =
|
||
|
new PresentationChannelDescription(address, port);
|
||
|
|
||
|
return mControlChannel->SendAnswer(description);
|
||
|
}
|
||
|
|
||
|
nsresult
|
||
|
PresentationPresentingInfo::UntrackFromService()
|
||
|
{
|
||
|
// Remove the OOP responding info (if it has never been used).
|
||
|
if (mContentParent) {
|
||
|
NS_WARN_IF(!static_cast<ContentParent*>(mContentParent.get())->SendNotifyPresentationReceiverCleanUp(mSessionId));
|
||
|
}
|
||
|
|
||
|
// Remove the session info (and the in-process responding info if there's any).
|
||
|
nsCOMPtr<nsIPresentationService> service =
|
||
|
do_GetService(PRESENTATION_SERVICE_CONTRACTID);
|
||
|
if (NS_WARN_IF(!service)) {
|
||
|
return NS_ERROR_NOT_AVAILABLE;
|
||
|
}
|
||
|
static_cast<PresentationService*>(service.get())->UntrackSessionInfo(mSessionId);
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
PresentationPresentingInfo::IsAccessible(base::ProcessId aProcessId)
|
||
|
{
|
||
|
// Only the specific content process should access the responder info.
|
||
|
return (mContentParent) ?
|
||
|
aProcessId == static_cast<ContentParent*>(mContentParent.get())->OtherPid() :
|
||
|
false;
|
||
|
}
|
||
|
|
||
|
nsresult
|
||
|
PresentationPresentingInfo::NotifyResponderReady()
|
||
|
{
|
||
|
if (mTimer) {
|
||
|
mTimer->Cancel();
|
||
|
mTimer = nullptr;
|
||
|
}
|
||
|
|
||
|
mIsResponderReady = true;
|
||
|
|
||
|
// Initialize |mTransport| and send the answer to the sender if sender's
|
||
|
// description is already offered.
|
||
|
if (mRequesterDescription) {
|
||
|
nsresult rv = InitTransportAndSendAnswer();
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
return ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
// nsIPresentationControlChannelListener
|
||
|
NS_IMETHODIMP
|
||
|
PresentationPresentingInfo::OnOffer(nsIPresentationChannelDescription* aDescription)
|
||
|
{
|
||
|
if (NS_WARN_IF(!aDescription)) {
|
||
|
return ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
}
|
||
|
|
||
|
mRequesterDescription = aDescription;
|
||
|
|
||
|
// Initialize |mTransport| and send the answer to the sender if the receiver
|
||
|
// page is ready for presentation use.
|
||
|
if (mIsResponderReady) {
|
||
|
nsresult rv = InitTransportAndSendAnswer();
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
return ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
PresentationPresentingInfo::OnAnswer(nsIPresentationChannelDescription* aDescription)
|
||
|
{
|
||
|
MOZ_ASSERT(false, "Receiver side should not receive answer.");
|
||
|
return NS_ERROR_FAILURE;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
PresentationPresentingInfo::OnIceCandidate(const nsAString& aCandidate)
|
||
|
{
|
||
|
MOZ_ASSERT(false, "Should not receive ICE candidates.");
|
||
|
return NS_ERROR_FAILURE;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
PresentationPresentingInfo::NotifyOpened()
|
||
|
{
|
||
|
// Do nothing.
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
PresentationPresentingInfo::NotifyClosed(nsresult aReason)
|
||
|
{
|
||
|
MOZ_ASSERT(NS_IsMainThread());
|
||
|
|
||
|
// Unset control channel here so it won't try to re-close it in potential
|
||
|
// subsequent |Shutdown| calls.
|
||
|
SetControlChannel(nullptr);
|
||
|
|
||
|
if (NS_WARN_IF(NS_FAILED(aReason))) {
|
||
|
// The presentation session instance may already exist.
|
||
|
// Change the state to TERMINATED since it never succeeds.
|
||
|
SetState(nsIPresentationSessionListener::STATE_TERMINATED);
|
||
|
|
||
|
// Reply error for an abnormal close.
|
||
|
return ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
}
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
// nsITimerCallback
|
||
|
NS_IMETHODIMP
|
||
|
PresentationPresentingInfo::Notify(nsITimer* aTimer)
|
||
|
{
|
||
|
MOZ_ASSERT(NS_IsMainThread());
|
||
|
NS_WARNING("The receiver page fails to become ready before timeout.");
|
||
|
|
||
|
mTimer = nullptr;
|
||
|
return ReplyError(NS_ERROR_DOM_TIMEOUT_ERR);
|
||
|
}
|
||
|
|
||
|
// PromiseNativeHandler
|
||
|
void
|
||
|
PresentationPresentingInfo::ResolvedCallback(JSContext* aCx,
|
||
|
JS::Handle<JS::Value> aValue)
|
||
|
{
|
||
|
MOZ_ASSERT(NS_IsMainThread());
|
||
|
|
||
|
if (NS_WARN_IF(!aValue.isObject())) {
|
||
|
ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
JS::Rooted<JSObject*> obj(aCx, &aValue.toObject());
|
||
|
if (NS_WARN_IF(!obj)) {
|
||
|
ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
// Start to listen to document state change event |STATE_TRANSFERRING|.
|
||
|
HTMLIFrameElement* frame = nullptr;
|
||
|
nsresult rv = UNWRAP_OBJECT(HTMLIFrameElement, obj, frame);
|
||
|
if (NS_WARN_IF(!frame)) {
|
||
|
ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
nsCOMPtr<nsIFrameLoaderOwner> owner = do_QueryInterface((nsIFrameLoaderOwner*) frame);
|
||
|
if (NS_WARN_IF(!owner)) {
|
||
|
ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
nsCOMPtr<nsIFrameLoader> frameLoader;
|
||
|
rv = owner->GetFrameLoader(getter_AddRefs(frameLoader));
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
RefPtr<TabParent> tabParent = TabParent::GetFrom(frameLoader);
|
||
|
if (tabParent) {
|
||
|
// OOP frame
|
||
|
// Notify the content process that a receiver page has launched, so it can
|
||
|
// start monitoring the loading progress.
|
||
|
mContentParent = tabParent->Manager();
|
||
|
NS_WARN_IF(!static_cast<ContentParent*>(mContentParent.get())->SendNotifyPresentationReceiverLaunched(tabParent, mSessionId));
|
||
|
} else {
|
||
|
// In-process frame
|
||
|
nsCOMPtr<nsIDocShell> docShell;
|
||
|
rv = frameLoader->GetDocShell(getter_AddRefs(docShell));
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
// Keep an eye on the loading progress of the receiver page.
|
||
|
mLoadingCallback = new PresentationResponderLoadingCallback(mSessionId);
|
||
|
rv = mLoadingCallback->Init(docShell);
|
||
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
|
ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
return;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void
|
||
|
PresentationPresentingInfo::RejectedCallback(JSContext* aCx,
|
||
|
JS::Handle<JS::Value> aValue)
|
||
|
{
|
||
|
MOZ_ASSERT(NS_IsMainThread());
|
||
|
NS_WARNING("Launching the receiver page has been rejected.");
|
||
|
|
||
|
if (mTimer) {
|
||
|
mTimer->Cancel();
|
||
|
mTimer = nullptr;
|
||
|
}
|
||
|
|
||
|
ReplyError(NS_ERROR_DOM_OPERATION_ERR);
|
||
|
}
|