/* 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 "ClientState.h"

#include "mozilla/dom/ClientIPCTypes.h"

namespace mozilla::dom {

ClientWindowState::ClientWindowState(
    mozilla::dom::VisibilityState aVisibilityState,
    const TimeStamp& aLastFocusTime, StorageAccess aStorageAccess,
    bool aFocused)
    : mData(MakeUnique<IPCClientWindowState>(aVisibilityState, aLastFocusTime,
                                             aStorageAccess, aFocused)) {}

ClientWindowState::ClientWindowState(const IPCClientWindowState& aData)
    : mData(MakeUnique<IPCClientWindowState>(aData)) {}

ClientWindowState::ClientWindowState(const ClientWindowState& aRight) {
  operator=(aRight);
}

ClientWindowState::ClientWindowState(ClientWindowState&& aRight)
    : mData(std::move(aRight.mData)) {}

ClientWindowState& ClientWindowState::operator=(
    const ClientWindowState& aRight) {
  mData.reset();
  mData = MakeUnique<IPCClientWindowState>(*aRight.mData);
  return *this;
}

ClientWindowState& ClientWindowState::operator=(ClientWindowState&& aRight) {
  mData.reset();
  mData = std::move(aRight.mData);
  return *this;
}

ClientWindowState::~ClientWindowState() = default;

mozilla::dom::VisibilityState ClientWindowState::VisibilityState() const {
  return mData->visibilityState();
}

const TimeStamp& ClientWindowState::LastFocusTime() const {
  return mData->lastFocusTime();
}

bool ClientWindowState::Focused() const { return mData->focused(); }

StorageAccess ClientWindowState::GetStorageAccess() const {
  return mData->storageAccess();
}

const IPCClientWindowState& ClientWindowState::ToIPC() const { return *mData; }

ClientWorkerState::ClientWorkerState(StorageAccess aStorageAccess)
    : mData(MakeUnique<IPCClientWorkerState>(aStorageAccess)) {}

ClientWorkerState::ClientWorkerState(const IPCClientWorkerState& aData)
    : mData(MakeUnique<IPCClientWorkerState>(aData)) {}

ClientWorkerState::ClientWorkerState(ClientWorkerState&& aRight)
    : mData(std::move(aRight.mData)) {}

ClientWorkerState::ClientWorkerState(const ClientWorkerState& aRight) {
  operator=(aRight);
}

ClientWorkerState& ClientWorkerState::operator=(
    const ClientWorkerState& aRight) {
  mData.reset();
  mData = MakeUnique<IPCClientWorkerState>(*aRight.mData);
  return *this;
}

ClientWorkerState& ClientWorkerState::operator=(ClientWorkerState&& aRight) {
  mData.reset();
  mData = std::move(aRight.mData);
  return *this;
}

ClientWorkerState::~ClientWorkerState() = default;

StorageAccess ClientWorkerState::GetStorageAccess() const {
  return mData->storageAccess();
}

const IPCClientWorkerState& ClientWorkerState::ToIPC() const { return *mData; }

ClientState::ClientState() = default;

ClientState::ClientState(const ClientWindowState& aWindowState) {
  mData.emplace(AsVariant(aWindowState));
}

ClientState::ClientState(const ClientWorkerState& aWorkerState) {
  mData.emplace(AsVariant(aWorkerState));
}

ClientState::ClientState(const IPCClientWindowState& aData) {
  mData.emplace(AsVariant(ClientWindowState(aData)));
}

ClientState::ClientState(const IPCClientWorkerState& aData) {
  mData.emplace(AsVariant(ClientWorkerState(aData)));
}

ClientState::ClientState(ClientState&& aRight)
    : mData(std::move(aRight.mData)) {}

ClientState& ClientState::operator=(ClientState&& aRight) {
  mData = std::move(aRight.mData);
  return *this;
}

ClientState::~ClientState() = default;

// static
ClientState ClientState::FromIPC(const IPCClientState& aData) {
  switch (aData.type()) {
    case IPCClientState::TIPCClientWindowState:
      return ClientState(aData.get_IPCClientWindowState());
    case IPCClientState::TIPCClientWorkerState:
      return ClientState(aData.get_IPCClientWorkerState());
    default:
      MOZ_CRASH("unexpected IPCClientState type");
  }
}

bool ClientState::IsWindowState() const {
  return mData.isSome() && mData.ref().is<ClientWindowState>();
}

const ClientWindowState& ClientState::AsWindowState() const {
  return mData.ref().as<ClientWindowState>();
}

bool ClientState::IsWorkerState() const {
  return mData.isSome() && mData.ref().is<ClientWorkerState>();
}

const ClientWorkerState& ClientState::AsWorkerState() const {
  return mData.ref().as<ClientWorkerState>();
}

StorageAccess ClientState::GetStorageAccess() const {
  if (IsWindowState()) {
    return AsWindowState().GetStorageAccess();
  }

  return AsWorkerState().GetStorageAccess();
}

const IPCClientState ClientState::ToIPC() const {
  if (IsWindowState()) {
    return IPCClientState(AsWindowState().ToIPC());
  }

  return IPCClientState(AsWorkerState().ToIPC());
}

}  // namespace mozilla::dom