gecko-dev/hal/WindowIdentifier.cpp

83 lines
1.7 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 "mozilla/dom/ContentChild.h"
#include "WindowIdentifier.h"
#include "nsPIDOMWindow.h"
namespace mozilla {
namespace hal {
WindowIdentifier::WindowIdentifier()
: mWindow(nullptr)
, mIsEmpty(true)
{
}
WindowIdentifier::WindowIdentifier(nsIDOMWindow *window)
: mWindow(window)
, mIsEmpty(false)
{
mID.AppendElement(GetWindowID());
}
WindowIdentifier::WindowIdentifier(const InfallibleTArray<uint64_t> &id, nsIDOMWindow *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);
nsCOMPtr<nsPIDOMWindow> pidomWindow = do_QueryInterface(mWindow);
if (!pidomWindow) {
return UINT64_MAX;
}
return pidomWindow->WindowID();
}
nsIDOMWindow*
WindowIdentifier::GetWindow() const
{
MOZ_ASSERT(!mIsEmpty);
return mWindow;
}
} // namespace hal
} // namespace mozilla