gecko/hal/WindowIdentifier.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et ft=cpp : */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Code.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Justin Lebar <justin.lebar@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "mozilla/dom/ContentChild.h"
#include "WindowIdentifier.h"
#include "nsPIDOMWindow.h"
namespace mozilla {
namespace hal {
WindowIdentifier::WindowIdentifier()
: mWindow(nsnull)
, mIsEmpty(true)
{
}
WindowIdentifier::WindowIdentifier(nsIDOMWindow *window)
: mWindow(window)
, mIsEmpty(false)
{
mID.AppendElement(GetWindowID());
}
WindowIdentifier::WindowIdentifier(const nsTArray<uint64> &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>&
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
WindowIdentifier::GetWindowID() const
{
MOZ_ASSERT(!mIsEmpty);
nsCOMPtr<nsPIDOMWindow> pidomWindow = do_QueryInterface(mWindow);
if (!pidomWindow) {
return uint64(-1);
}
return pidomWindow->WindowID();
}
nsIDOMWindow*
WindowIdentifier::GetWindow() const
{
MOZ_ASSERT(!mIsEmpty);
return mWindow;
}
} // namespace hal
} // namespace mozilla