hal/WindowIdentifier.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/hal/WindowIdentifier.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,82 @@
     1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim: set sw=2 ts=8 et ft=cpp : */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#include "mozilla/dom/ContentChild.h"
    1.11 +#include "WindowIdentifier.h"
    1.12 +#include "nsPIDOMWindow.h"
    1.13 +
    1.14 +namespace mozilla {
    1.15 +namespace hal {
    1.16 +
    1.17 +WindowIdentifier::WindowIdentifier()
    1.18 +  : mWindow(nullptr)
    1.19 +  , mIsEmpty(true)
    1.20 +{
    1.21 +}
    1.22 +
    1.23 +WindowIdentifier::WindowIdentifier(nsIDOMWindow *window)
    1.24 +  : mWindow(window)
    1.25 +  , mIsEmpty(false)
    1.26 +{
    1.27 +  mID.AppendElement(GetWindowID());
    1.28 +}
    1.29 +
    1.30 +WindowIdentifier::WindowIdentifier(const InfallibleTArray<uint64_t> &id, nsIDOMWindow *window)
    1.31 +  : mID(id)
    1.32 +  , mWindow(window)
    1.33 +  , mIsEmpty(false)
    1.34 +{
    1.35 +  mID.AppendElement(GetWindowID());
    1.36 +}
    1.37 +
    1.38 +WindowIdentifier::WindowIdentifier(const WindowIdentifier &other)
    1.39 +  : mID(other.mID)
    1.40 +  , mWindow(other.mWindow)
    1.41 +  , mIsEmpty(other.mIsEmpty)
    1.42 +{
    1.43 +}
    1.44 +
    1.45 +const InfallibleTArray<uint64_t>&
    1.46 +WindowIdentifier::AsArray() const
    1.47 +{
    1.48 +  MOZ_ASSERT(!mIsEmpty);
    1.49 +  return mID;
    1.50 +}
    1.51 +
    1.52 +bool
    1.53 +WindowIdentifier::HasTraveledThroughIPC() const
    1.54 +{
    1.55 +  MOZ_ASSERT(!mIsEmpty);
    1.56 +  return mID.Length() >= 2;
    1.57 +}
    1.58 +
    1.59 +void
    1.60 +WindowIdentifier::AppendProcessID()
    1.61 +{
    1.62 +  MOZ_ASSERT(!mIsEmpty);
    1.63 +  mID.AppendElement(dom::ContentChild::GetSingleton()->GetID());
    1.64 +}
    1.65 +
    1.66 +uint64_t
    1.67 +WindowIdentifier::GetWindowID() const
    1.68 +{
    1.69 +  MOZ_ASSERT(!mIsEmpty);
    1.70 +  nsCOMPtr<nsPIDOMWindow> pidomWindow = do_QueryInterface(mWindow);
    1.71 +  if (!pidomWindow) {
    1.72 +    return UINT64_MAX;
    1.73 +  }
    1.74 +  return pidomWindow->WindowID();
    1.75 +}
    1.76 +
    1.77 +nsIDOMWindow*
    1.78 +WindowIdentifier::GetWindow() const
    1.79 +{
    1.80 +  MOZ_ASSERT(!mIsEmpty);
    1.81 +  return mWindow;
    1.82 +}
    1.83 +
    1.84 +} // namespace hal
    1.85 +} // namespace mozilla

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