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71 lines
2 KiB
C++
71 lines
2 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_HangAnnotations_h
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#define mozilla_HangAnnotations_h
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#include <set>
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#include "mozilla/HangTypes.h"
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#include "mozilla/MemoryReporting.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/Vector.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "mozilla/ipc/IPDLParamTraits.h"
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namespace mozilla {
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/**
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* This class extends nsTArray<HangAnnotation> with some methods for adding
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* annotations being reported by a registered hang Annotator.
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*/
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class BackgroundHangAnnotations : public nsTArray<HangAnnotation> {
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public:
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void AddAnnotation(const nsString& aName, const int32_t aData);
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void AddAnnotation(const nsString& aName, const double aData);
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void AddAnnotation(const nsString& aName, const nsString& aData);
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void AddAnnotation(const nsString& aName, const nsCString& aData);
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void AddAnnotation(const nsString& aName, const bool aData);
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};
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class BackgroundHangAnnotator {
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public:
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/**
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* NB: This function is always called by the BackgroundHangMonitor thread.
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* Plan accordingly.
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*/
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virtual void AnnotateHang(BackgroundHangAnnotations& aAnnotations) = 0;
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};
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class BackgroundHangAnnotators {
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public:
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BackgroundHangAnnotators();
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~BackgroundHangAnnotators();
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bool Register(BackgroundHangAnnotator& aAnnotator);
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bool Unregister(BackgroundHangAnnotator& aAnnotator);
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BackgroundHangAnnotations GatherAnnotations();
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private:
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Mutex mMutex MOZ_UNANNOTATED;
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std::set<BackgroundHangAnnotator*> mAnnotators;
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};
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namespace ipc {
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template <>
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struct IPDLParamTraits<mozilla::BackgroundHangAnnotations>
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: public IPDLParamTraits<nsTArray<mozilla::HangAnnotation>> {
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typedef mozilla::BackgroundHangAnnotations paramType;
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};
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} // namespace ipc
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} // namespace mozilla
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#endif // mozilla_HangAnnotations_h
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