tor-browser

The Tor Browser
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PlacesEventCounts.cpp (2055B)

      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
      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 "PlacesEventCounts.h"
      8 
      9 #include "mozilla/ErrorResult.h"
     10 #include "mozilla/dom/BindingUtils.h"
     11 #include "mozilla/dom/PlacesEventBinding.h"
     12 #include "mozilla/dom/PlacesEventCounts.h"
     13 #include "mozilla/dom/PlacesObserversBinding.h"
     14 
     15 namespace mozilla::dom {
     16 
     17 // Only needed for refcounted objects.
     18 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(PlacesEventCounts)
     19 NS_IMPL_CYCLE_COLLECTING_ADDREF(PlacesEventCounts)
     20 NS_IMPL_CYCLE_COLLECTING_RELEASE(PlacesEventCounts)
     21 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PlacesEventCounts)
     22  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
     23  NS_INTERFACE_MAP_ENTRY(nsISupports)
     24 NS_INTERFACE_MAP_END
     25 
     26 PlacesEventCounts::PlacesEventCounts() {
     27  ErrorResult rv;
     28  for (auto eventType : MakeWebIDLEnumeratedRange<PlacesEventType>()) {
     29    PlacesEventCounts_Binding::MaplikeHelpers::Set(
     30        this, NS_ConvertUTF8toUTF16(GetEnumString(eventType)), 0, rv);
     31    if (NS_WARN_IF(rv.Failed())) {
     32      rv.SuppressException();
     33      return;
     34    }
     35  }
     36 }
     37 
     38 nsresult PlacesEventCounts::Increment(PlacesEventType aEventType) {
     39  ErrorResult rv;
     40  nsAutoCString eventName(GetEnumString(aEventType));
     41  uint64_t count = PlacesEventCounts_Binding::MaplikeHelpers::Get(
     42      this, NS_ConvertUTF8toUTF16(eventName), rv);
     43  if (MOZ_UNLIKELY(rv.Failed())) {
     44    return rv.StealNSResult();
     45  }
     46  PlacesEventCounts_Binding::MaplikeHelpers::Set(
     47      this, NS_ConvertUTF8toUTF16(eventName), ++count, rv);
     48  if (MOZ_UNLIKELY(rv.Failed())) {
     49    return rv.StealNSResult();
     50  }
     51  return NS_OK;
     52 }
     53 
     54 JSObject* PlacesEventCounts::WrapObject(JSContext* aCx,
     55                                        JS::Handle<JSObject*> aGivenProto) {
     56  return PlacesEventCounts_Binding::Wrap(aCx, this, aGivenProto);
     57 }
     58 
     59 }  // namespace mozilla::dom