FxRWindowManager.cpp (1622B)
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* This Source Code Form is subject to the terms of the Mozilla Public 3 * License, v. 2.0. If a copy of the MPL was not distributed with this 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 5 6 #include "FxRWindowManager.h" 7 #include "mozilla/Assertions.h" 8 #include "nsPIDOMWindow.h" 9 #include "mozilla/ClearOnShutdown.h" 10 #include "mozilla/WidgetUtils.h" 11 12 #include "nsWindow.h" 13 14 static mozilla::StaticAutoPtr<FxRWindowManager> sFxrWinMgrInstance; 15 16 FxRWindowManager* FxRWindowManager::GetInstance() { 17 if (sFxrWinMgrInstance == nullptr) { 18 sFxrWinMgrInstance = new FxRWindowManager(); 19 ClearOnShutdown(&sFxrWinMgrInstance); 20 } 21 22 return sFxrWinMgrInstance; 23 } 24 25 FxRWindowManager::FxRWindowManager() : mWindow(nullptr) {} 26 27 // Track this new Firefox Reality window instance 28 void FxRWindowManager::AddWindow(nsPIDOMWindowOuter* aWindow) { 29 if (mWindow != nullptr) { 30 MOZ_CRASH("Only one window is supported"); 31 } 32 33 mWindow = aWindow; 34 } 35 36 // Returns true if the window at the provided ID was created for Firefox Reality 37 bool FxRWindowManager::IsFxRWindow(uint64_t aOuterWindowID) { 38 return (mWindow != nullptr) && (mWindow->WindowID() == aOuterWindowID); 39 } 40 41 // Returns true if the window was created for Firefox Reality 42 bool FxRWindowManager::IsFxRWindow(const nsWindow* aWindow) const { 43 return (mWindow != nullptr) && 44 (aWindow == 45 mozilla::widget::WidgetUtils::DOMWindowToWidget(mWindow).take()); 46 } 47 48 uint64_t FxRWindowManager::GetWindowID() const { 49 MOZ_ASSERT(mWindow); 50 return mWindow->WindowID(); 51 }