CoreLocationLocationProvider.h (2156B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #include "mozilla/Attributes.h" 8 #include "nsCOMPtr.h" 9 #include "nsIGeolocationProvider.h" 10 11 /* 12 * The CoreLocationObjects class contains the CoreLocation objects 13 * we'll need. 14 * 15 * Declaring them directly in CoreLocationLocationProvider 16 * would require Objective-C++ syntax, which would contaminate all 17 * files that include this header and require them to be Objective-C++ 18 * as well. 19 * 20 * The solution then is to forward-declare CoreLocationObjects here and 21 * hold a pointer to it in CoreLocationLocationProvider, and only actually 22 * define it in CoreLocationLocationProvider.mm, thus making it safe 23 * for Geolocation.cpp, which is C++-only, to include this header. 24 */ 25 class CoreLocationObjects; 26 class MLSFallback; 27 28 class CoreLocationLocationProvider : public nsIGeolocationProvider { 29 public: 30 NS_DECL_ISUPPORTS 31 NS_DECL_NSIGEOLOCATIONPROVIDER 32 33 CoreLocationLocationProvider(); 34 // MOZ_CAN_RUN_SCRIPT_BOUNDARY because we can't mark Objective-C methods as 35 // MOZ_CAN_RUN_SCRIPT as far as I can tell, and this method is called from 36 // Objective-C. 37 MOZ_CAN_RUN_SCRIPT_BOUNDARY 38 void NotifyError(uint16_t aErrorCode); 39 void Update(nsIDOMGeoPosition* aSomewhere); 40 void CreateMLSFallbackProvider(); 41 void CancelMLSFallbackProvider(); 42 bool IsEverUpdated() const { return mEverUpdated; } 43 44 private: 45 virtual ~CoreLocationLocationProvider() = default; 46 47 CoreLocationObjects* mCLObjects; 48 nsCOMPtr<nsIGeolocationUpdate> mCallback; 49 RefPtr<MLSFallback> mMLSFallbackProvider; 50 51 bool mEverUpdated = false; 52 53 class MLSUpdate : public nsIGeolocationUpdate { 54 public: 55 NS_DECL_ISUPPORTS 56 NS_DECL_NSIGEOLOCATIONUPDATE 57 58 explicit MLSUpdate(CoreLocationLocationProvider& parentProvider); 59 60 private: 61 CoreLocationLocationProvider& mParentLocationProvider; 62 virtual ~MLSUpdate() = default; 63 }; 64 };