gecko-dev/dom/media/systemservices/MediaChild.cpp

116 строки
3.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et ft=cpp : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "MediaChild.h"
#include "MediaParent.h"
#include "nsGlobalWindow.h"
#include "mozilla/MediaManager.h"
#include "mozilla/Logging.h"
#include "nsQueryObject.h"
#undef LOG
mozilla::LazyLogModule gMediaChildLog("MediaChild");
#define LOG(args) MOZ_LOG(gMediaChildLog, mozilla::LogLevel::Debug, args)
namespace mozilla {
namespace media {
already_AddRefed<Pledge<nsCString>>
GetOriginKey(const nsCString& aOrigin, bool aPrivateBrowsing, bool aPersist)
{
RefPtr<MediaManager> mgr = MediaManager::GetInstance();
MOZ_ASSERT(mgr);
RefPtr<Pledge<nsCString>> p = new Pledge<nsCString>();
uint32_t id = mgr->mGetOriginKeyPledges.Append(*p);
if (XRE_GetProcessType() == GeckoProcessType_Default) {
mgr->GetNonE10sParent()->RecvGetOriginKey(id, aOrigin, aPrivateBrowsing,
aPersist);
} else {
Child::Get()->SendGetOriginKey(id, aOrigin, aPrivateBrowsing, aPersist);
}
return p.forget();
}
void
SanitizeOriginKeys(const uint64_t& aSinceWhen, bool aOnlyPrivateBrowsing)
{
LOG(("SanitizeOriginKeys since %llu %s", aSinceWhen,
(aOnlyPrivateBrowsing? "in Private Browsing." : ".")));
if (XRE_GetProcessType() == GeckoProcessType_Default) {
// Avoid opening MediaManager in this case, since this is called by
// sanitize.js when cookies are cleared, which can happen on startup.
auto tmpParent = MakeUnique<Parent<NonE10s>>(true);
tmpParent->RecvSanitizeOriginKeys(aSinceWhen, aOnlyPrivateBrowsing);
} else {
Child::Get()->SendSanitizeOriginKeys(aSinceWhen, aOnlyPrivateBrowsing);
}
}
static Child* sChild;
Child* Child::Get()
{
MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Content);
MOZ_ASSERT(NS_IsMainThread());
if (!sChild) {
sChild = static_cast<Child*>(dom::ContentChild::GetSingleton()->SendPMediaConstructor());
}
return sChild;
}
Child::Child()
: mActorDestroyed(false)
{
LOG(("media::Child: %p", this));
MOZ_COUNT_CTOR(Child);
}
Child::~Child()
{
LOG(("~media::Child: %p", this));
sChild = nullptr;
MOZ_COUNT_DTOR(Child);
}
void Child::ActorDestroy(ActorDestroyReason aWhy)
{
mActorDestroyed = true;
}
bool
Child::RecvGetOriginKeyResponse(const uint32_t& aRequestId, const nsCString& aKey)
{
RefPtr<MediaManager> mgr = MediaManager::GetInstance();
if (!mgr) {
return false;
}
RefPtr<Pledge<nsCString>> pledge = mgr->mGetOriginKeyPledges.Remove(aRequestId);
if (pledge) {
pledge->Resolve(aKey);
}
return true;
}
PMediaChild*
AllocPMediaChild()
{
return new Child();
}
bool
DeallocPMediaChild(media::PMediaChild *aActor)
{
delete static_cast<Child*>(aActor);
return true;
}
} // namespace media
} // namespace mozilla