tor-browser

The Tor Browser
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RDDChild.h (3100B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      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 #ifndef _include_dom_media_ipc_RDDChild_h_
      7 #define _include_dom_media_ipc_RDDChild_h_
      8 #include "mozilla/PRDDChild.h"
      9 #include "mozilla/UniquePtr.h"
     10 #include "mozilla/gfx/GPUProcessListener.h"
     11 #include "mozilla/gfx/gfxVarReceiver.h"
     12 #include "mozilla/ipc/CrashReporterHelper.h"
     13 
     14 namespace mozilla {
     15 
     16 #if defined(XP_LINUX) && defined(MOZ_SANDBOX)
     17 class SandboxBroker;
     18 #endif
     19 
     20 namespace dom {
     21 class MemoryReportRequestHost;
     22 }  // namespace dom
     23 
     24 class RDDProcessHost;
     25 
     26 class RDDChild final : public PRDDChild,
     27                       public ipc::CrashReporterHelper<RDDChild>,
     28                       public gfx::gfxVarReceiver,
     29                       public gfx::GPUProcessListener {
     30  typedef mozilla::dom::MemoryReportRequestHost MemoryReportRequestHost;
     31 
     32 public:
     33  static constexpr GeckoProcessType PROCESS_TYPE = GeckoProcessType_RDD;
     34 
     35  NS_INLINE_DECL_REFCOUNTING(RDDChild, final)
     36 
     37  explicit RDDChild(RDDProcessHost* aHost);
     38 
     39  bool Init();
     40 
     41  void OnCompositorUnexpectedShutdown() override;
     42  void OnVarChanged(const nsTArray<GfxVarUpdate>& aVar) override;
     43 
     44  void ActorDestroy(ActorDestroyReason aWhy) override;
     45 
     46  mozilla::ipc::IPCResult RecvAddMemoryReport(const MemoryReport& aReport);
     47 #if defined(XP_WIN)
     48  mozilla::ipc::IPCResult RecvGetModulesTrust(
     49      ModulePaths&& aModPaths, bool aRunAtNormalPriority,
     50      GetModulesTrustResolver&& aResolver);
     51 #endif  // defined(XP_WIN)
     52  mozilla::ipc::IPCResult RecvUpdateMediaCodecsSupported(
     53      const media::MediaCodecsSupported& aSupported);
     54  mozilla::ipc::IPCResult RecvFOGData(ByteBuf&& aBuf);
     55 
     56  mozilla::ipc::IPCResult RecvAccumulateChildHistograms(
     57      nsTArray<HistogramAccumulation>&& aAccumulations);
     58  mozilla::ipc::IPCResult RecvAccumulateChildKeyedHistograms(
     59      nsTArray<KeyedHistogramAccumulation>&& aAccumulations);
     60  mozilla::ipc::IPCResult RecvUpdateChildScalars(
     61      nsTArray<ScalarAction>&& aScalarActions);
     62  mozilla::ipc::IPCResult RecvUpdateChildKeyedScalars(
     63      nsTArray<KeyedScalarAction>&& aScalarActions);
     64  mozilla::ipc::IPCResult RecvRecordChildEvents(
     65      nsTArray<ChildEventData>&& events);
     66  mozilla::ipc::IPCResult RecvRecordDiscardedData(
     67      const DiscardedData& aDiscardedData);
     68 
     69  bool SendRequestMemoryReport(const uint32_t& aGeneration,
     70                               const bool& aAnonymize,
     71                               const bool& aMinimizeMemoryUsage,
     72                               const Maybe<ipc::FileDescriptor>& aDMDFile);
     73 
     74  static void Destroy(RefPtr<RDDChild>&& aChild);
     75 
     76 private:
     77  ~RDDChild();
     78 
     79  RDDProcessHost* mHost;
     80  UniquePtr<MemoryReportRequestHost> mMemoryReportRequest;
     81 #if defined(XP_LINUX) && defined(MOZ_SANDBOX)
     82  RefPtr<SandboxBroker> mSandboxBroker;
     83 #endif
     84 };
     85 
     86 }  // namespace mozilla
     87 
     88 #endif  // _include_dom_media_ipc_RDDChild_h_