1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef GeolocationWatchers_h 6 #define GeolocationWatchers_h 7 8 #include "platform/heap/Handle.h" 9 10 namespace blink { 11 12 class GeoNotifier; 13 14 class GeolocationWatchers { 15 DISALLOW_ALLOCATION(); 16 17 public: 18 GeolocationWatchers() { } 19 void trace(Visitor*); 20 21 bool add(int id, GeoNotifier*); 22 GeoNotifier* find(int id); 23 void remove(int id); 24 void remove(GeoNotifier*); 25 bool contains(GeoNotifier*) const; 26 void clear(); 27 bool isEmpty() const; 28 29 void getNotifiersVector(HeapVector<Member<GeoNotifier> >&) const; 30 31 private: 32 typedef HeapHashMap<int, Member<GeoNotifier> > IdToNotifierMap; 33 typedef HeapHashMap<Member<GeoNotifier>, int> NotifierToIdMap; 34 35 IdToNotifierMap m_idToNotifierMap; 36 NotifierToIdMap m_notifierToIdMap; 37 }; 38 39 } // namespace blink 40 41 #endif // GeolocationWatchers_h 42
