/* -*- 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 "WindowIdentifier.h"

#include "mozilla/dom/ContentChild.h"

#include "nsPIDOMWindow.h"

namespace mozilla {

namespace hal {

WindowIdentifier::WindowIdentifier()

  : mWindow(nullptr)

  , mIsEmpty(true)

{

}

WindowIdentifier::WindowIdentifier(nsPIDOMWindowInner* window)

  : mWindow(window)

  , mIsEmpty(false)

{

  mID.AppendElement(GetWindowID());

}

WindowIdentifier::WindowIdentifier(const InfallibleTArray<uint64_t> &id,

                                   nsPIDOMWindowInner* window)

  : mID(id)

  , mWindow(window)

  , mIsEmpty(false)

{

  mID.AppendElement(GetWindowID());

}

WindowIdentifier::WindowIdentifier(const WindowIdentifier &other)

  : mID(other.mID)

  , mWindow(other.mWindow)

  , mIsEmpty(other.mIsEmpty)

{

}

const InfallibleTArray<uint64_t>&

WindowIdentifier::AsArray() const

{

  MOZ_ASSERT(!mIsEmpty);

  return mID;

}

bool

WindowIdentifier::HasTraveledThroughIPC() const

{

  MOZ_ASSERT(!mIsEmpty);

  return mID.Length() >= 2;

}

void

WindowIdentifier::AppendProcessID()

{

  MOZ_ASSERT(!mIsEmpty);

  mID.AppendElement(dom::ContentChild::GetSingleton()->GetID());

}

uint64_t

WindowIdentifier::GetWindowID() const

{

  MOZ_ASSERT(!mIsEmpty);

  return mWindow ? mWindow->WindowID() : UINT64_MAX;

}

nsPIDOMWindowInner*

WindowIdentifier::GetWindow() const

{

  MOZ_ASSERT(!mIsEmpty);

  return mWindow;

}

} // namespace hal

} // namespace mozilla