gecko-dev/gfx/vr/FxRWindowManager.cpp

51 строка
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "FxRWindowManager.h"
#include "mozilla/Assertions.h"
#include "nsPIDOMWindow.h"
#include "mozilla/ClearOnShutdown.h"
#include "nsWindow.h"
static mozilla::StaticAutoPtr<FxRWindowManager> sFxrWinMgrInstance;
FxRWindowManager* FxRWindowManager::GetInstance() {
if (sFxrWinMgrInstance == nullptr) {
sFxrWinMgrInstance = new FxRWindowManager();
ClearOnShutdown(&sFxrWinMgrInstance);
}
return sFxrWinMgrInstance;
}
FxRWindowManager::FxRWindowManager() : mWindow(nullptr) {}
// Track this new Firefox Reality window instance
void FxRWindowManager::AddWindow(nsPIDOMWindowOuter* aWindow) {
if (mWindow != nullptr) {
MOZ_CRASH("Only one window is supported");
}
mWindow = aWindow;
}
// Returns true if the window at the provided ID was created for Firefox Reality
bool FxRWindowManager::IsFxRWindow(uint64_t aOuterWindowID) {
return (mWindow != nullptr) && (mWindow->WindowID() == aOuterWindowID);
}
// Returns true if the window was created for Firefox Reality
bool FxRWindowManager::IsFxRWindow(const nsWindow* aWindow) const {
return (mWindow != nullptr) &&
(aWindow ==
mozilla::widget::WidgetUtils::DOMWindowToWidget(mWindow).take());
}
uint64_t FxRWindowManager::GetWindowID() const {
MOZ_ASSERT(mWindow);
return mWindow->WindowID();
}