gecko-dev/hal/WindowIdentifier.cpp

58 строки
1.6 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 "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 nsTArray<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 nsTArray<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