DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Header

Mercurial (6863f516ba38)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97
/* -*- 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/dom/ContentChild.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 {

RefPtr<PrincipalKeyPromise> GetPrincipalKey(
    const ipc::PrincipalInfo& aPrincipalInfo, bool aPersist) {
  RefPtr<MediaManager> mgr = MediaManager::GetInstance();
  MOZ_ASSERT(mgr);

  if (XRE_GetProcessType() == GeckoProcessType_Default) {
    auto p = MakeRefPtr<PrincipalKeyPromise::Private>(__func__);

    mgr->GetNonE10sParent()->RecvGetPrincipalKey(
        aPrincipalInfo, aPersist,
        [p](const nsCString& aKey) { p->Resolve(aKey, __func__); });
    return p;
  }
  return Child::Get()
      ->SendGetPrincipalKey(aPrincipalInfo, aPersist)
      ->Then(GetMainThreadSerialEventTarget(), __func__,
             [](const Child::GetPrincipalKeyPromise::ResolveOrRejectValue&
                    aValue) {
               if (aValue.IsReject() || aValue.ResolveValue().IsEmpty()) {
                 return PrincipalKeyPromise::CreateAndReject(NS_ERROR_FAILURE,
                                                             __func__);
               }
               return PrincipalKeyPromise::CreateAndResolve(
                   aValue.ResolveValue(), __func__);
             });
}

void SanitizeOriginKeys(const uint64_t& aSinceWhen, bool aOnlyPrivateBrowsing) {
  LOG(("SanitizeOriginKeys since %" PRIu64 " %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.
    RefPtr<Parent<NonE10s>> tmpParent = new Parent<NonE10s>();
    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; }

PMediaChild* AllocPMediaChild() { return new Child(); }

bool DeallocPMediaChild(media::PMediaChild* aActor) {
  delete static_cast<Child*>(aActor);
  return true;
}

}  // namespace media
}  // namespace mozilla