зеркало из https://github.com/mozilla/gecko-dev.git
113 строки
5.1 KiB
C++
113 строки
5.1 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_TimelineConsumers_h_
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#define mozilla_TimelineConsumers_h_
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#include "mozilla/UniquePtr.h"
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#include "mozilla/LinkedList.h"
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#include "mozilla/Vector.h"
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#include "mozilla/TimeStamp.h"
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#include "mozilla/Mutex.h"
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#include "TimelineMarkerEnums.h"
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class nsDocShell;
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class nsIDocShell;
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namespace mozilla {
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class ObservedDocShell;
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class AbstractTimelineMarker;
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class TimelineConsumers
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{
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private:
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// Counter for how many timelines are currently interested in markers.
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static unsigned long sActiveConsumers;
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static LinkedList<ObservedDocShell>* sObservedDocShells;
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static LinkedList<ObservedDocShell>& GetOrCreateObservedDocShellsList();
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// Lock used when adding off-the-main-thread markers.
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static Mutex* sLock;
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public:
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static Mutex& GetLock();
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static void AddConsumer(nsDocShell* aDocShell);
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static void RemoveConsumer(nsDocShell* aDocShell);
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static bool IsEmpty();
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static bool GetKnownDocShells(Vector<nsRefPtr<nsDocShell>>& aStore);
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// Methods for adding markers relevant for particular docshells, or generic
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// (meaning that they either can't be tied to a particular docshell, or one
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// wasn't accessible in the part of the codebase where they're instantiated).
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// These will only add markers if at least one docshell is currently being
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// observed by a timeline. Markers tied to a particular docshell won't be
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// created unless that docshell is specifically being currently observed.
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// See nsIDocShell::recordProfileTimelineMarkers
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// These methods create a custom marker from a name and some metadata,
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// relevant for a specific docshell.
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static void AddMarkerForDocShell(nsDocShell* aDocShell,
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const char* aName,
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MarkerTracingType aTracingType);
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static void AddMarkerForDocShell(nsIDocShell* aDocShell,
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const char* aName,
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MarkerTracingType aTracingType);
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static void AddMarkerForDocShell(nsDocShell* aDocShell,
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const char* aName,
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const TimeStamp& aTime,
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MarkerTracingType aTracingType);
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static void AddMarkerForDocShell(nsIDocShell* aDocShell,
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const char* aName,
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const TimeStamp& aTime,
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MarkerTracingType aTracingType);
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// These methods register and receive ownership of an already created marker,
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// relevant for a specific docshell.
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static void AddMarkerForDocShell(nsDocShell* aDocShell,
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UniquePtr<AbstractTimelineMarker>&& aMarker);
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static void AddMarkerForDocShell(nsIDocShell* aDocShell,
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UniquePtr<AbstractTimelineMarker>&& aMarker);
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// These methods create or clone markers relevant for a list of docshells.
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static void AddMarkerForDocShellsList(Vector<nsRefPtr<nsDocShell>>& aDocShells,
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const char* aName,
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MarkerTracingType aTracingType);
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static void AddMarkerForDocShellsList(Vector<nsRefPtr<nsDocShell>>& aDocShells,
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const char* aName,
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const TimeStamp& aTime,
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MarkerTracingType aTracingType);
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static void AddMarkerForDocShellsList(Vector<nsRefPtr<nsDocShell>>& aDocShells,
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UniquePtr<AbstractTimelineMarker>& aMarker);
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// These methods create or clone markers, none of which have to be tied to
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// a particular docshell.
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static void AddMarkerForAllObservedDocShells(const char* aName,
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MarkerTracingType aTracingType);
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static void AddMarkerForAllObservedDocShells(const char* aName,
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const TimeStamp& aTime,
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MarkerTracingType aTracingType);
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static void AddMarkerForAllObservedDocShells(UniquePtr<AbstractTimelineMarker>& aMarker);
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// Thread-safe versions of the above methods. Need to lock first using
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// the mutex returned by `TimelineConsumers::GetLock()`.
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static void AddOTMTMarkerForDocShell(nsDocShell* aDocShell,
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UniquePtr<AbstractTimelineMarker>& aMarker);
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static void AddOTMTMarkerForDocShell(nsIDocShell* aDocShell,
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UniquePtr<AbstractTimelineMarker>& aMarker);
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static void AddOTMTMarkerForDocShellsList(Vector<nsRefPtr<nsDocShell>>& aDocShells,
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UniquePtr<AbstractTimelineMarker>& aMarker);
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static void AddOTMTMarkerForAllObservedDocShells(UniquePtr<AbstractTimelineMarker>& aMarker);
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};
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} // namespace mozilla
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#endif /* mozilla_TimelineConsumers_h_ */
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