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4261669447
Add a new `counts` property to PlacesObservers counting the number of times a PlacesEvent has been fired. This can be used to statistically evaluate the user activity, and increase/decrease rate of background recalculations when large events (migrations) happen, without having to do expensive I/O. Differential Revision: https://phabricator.services.mozilla.com/D204338
69 lines
2.8 KiB
C++
69 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_PlacesObservers__
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#define mozilla_dom_PlacesObservers__
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#include "mozilla/AlreadyAddRefed.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/dom/PlacesObserversBinding.h"
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#include "mozilla/dom/PlacesEvent.h"
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#include "mozilla/dom/PlacesEventCounts.h"
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#include "mozilla/places/INativePlacesEventCallback.h"
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#include "nsIWeakReferenceUtils.h"
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class PlacesObservers {
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public:
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static void AddListener(GlobalObject& aGlobal,
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const nsTArray<PlacesEventType>& aEventTypes,
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PlacesEventCallback& aCallback, ErrorResult& rv);
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static void AddListener(GlobalObject& aGlobal,
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const nsTArray<PlacesEventType>& aEventTypes,
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PlacesWeakCallbackWrapper& aCallback,
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ErrorResult& rv);
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static void AddListener(const nsTArray<PlacesEventType>& aEventTypes,
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places::INativePlacesEventCallback* aCallback);
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static void RemoveListener(GlobalObject& aGlobal,
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const nsTArray<PlacesEventType>& aEventTypes,
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PlacesEventCallback& aCallback, ErrorResult& rv);
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static void RemoveListener(GlobalObject& aGlobal,
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const nsTArray<PlacesEventType>& aEventTypes,
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PlacesWeakCallbackWrapper& aCallback,
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ErrorResult& rv);
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static void RemoveListener(const nsTArray<PlacesEventType>& aEventTypes,
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places::INativePlacesEventCallback* aCallback);
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MOZ_CAN_RUN_SCRIPT
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static void NotifyListeners(
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GlobalObject& aGlobal,
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const Sequence<OwningNonNull<PlacesEvent>>& aEvents, ErrorResult& rv);
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MOZ_CAN_RUN_SCRIPT
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static void NotifyListeners(
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const Sequence<OwningNonNull<PlacesEvent>>& aEvents);
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static StaticRefPtr<PlacesEventCounts> sCounts;
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static already_AddRefed<PlacesEventCounts> Counts(const GlobalObject& global);
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private:
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static void RemoveListener(uint32_t aFlags, PlacesEventCallback& aCallback);
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static void RemoveListener(uint32_t aFlags,
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PlacesWeakCallbackWrapper& aCallback);
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static void RemoveListener(uint32_t aFlags,
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places::INativePlacesEventCallback* aCallback);
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MOZ_CAN_RUN_SCRIPT static void NotifyNext();
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_PlacesObservers__
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