C++ (Cpp) KeepAliveIfHasListenersFor示例

示例#1

文件： PermissionStatus.cpp 项目： jasonLaster/gecko-dev

PermissionStatus::PermissionStatus(nsPIDOMWindowInner* aWindow,
                                   PermissionName aName)
    : DOMEventTargetHelper(aWindow),
      mName(aName),
      mState(PermissionState::Denied) {
  KeepAliveIfHasListenersFor(NS_LITERAL_STRING("change"));
}

示例#2

文件： BroadcastChannel.cpp 项目： heiher/gecko-dev

BroadcastChannel::BroadcastChannel(nsPIDOMWindowInner* aWindow,
                                   const nsAString& aChannel)
  : DOMEventTargetHelper(aWindow)
  , mChannel(aChannel)
  , mState(StateActive)
{
  // Window can be null in workers

  KeepAliveIfHasListenersFor(NS_LITERAL_STRING("message"));
}

示例#3

文件： BroadcastChannel.cpp 项目： Wafflespeanut/gecko-dev

BroadcastChannel::BroadcastChannel(nsPIDOMWindowInner* aWindow,
                                   const PrincipalInfo& aPrincipalInfo,
                                   const nsACString& aOrigin,
                                   const nsAString& aChannel)
  : DOMEventTargetHelper(aWindow)
  , mWorkerHolder(nullptr)
  , mPrincipalInfo(new PrincipalInfo(aPrincipalInfo))
  , mOrigin(aOrigin)
  , mChannel(aChannel)
  , mInnerID(0)
  , mState(StateActive)
{
  // Window can be null in workers

  KeepAliveIfHasListenersFor(NS_LITERAL_STRING("message"));
}