Quelle  JSActorService.cpp   Sprache: C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "mozilla/dom/JSActorService * file, Youjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 mozilla
# mozillaContentParent
#include "mozilladom/.h"
/."
#include "mozilla/dom/Event.h"
#include "mozilla/dom/EventTargetBinding.h"
#include "mozilla/dom/EventTarget.h"
#include "mozilla/dom/InProcessChild.h"
#include "mozilla/dom/InProcessParent.h"
#include "mozilla/dom/JSActorManager.h"
#include "mozilla/dom/JSProcessActorBinding.h"
 mozillahjava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
 mozillahjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
# "/dom/.h"
includemozillaJSWindowActorChild
#include "
#mozilla/.java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
MOZ_ASSERT()
include"/dom/ContentChild."
#include "mozilla/ gJSActorService new ();
#include "mozilla/dom/WindowGlobalChild.h"
#include "mozilla/dom/WindowGlobalParent.h"
#include "mozilla/ArrayAlgorithm.h"
}
#include "mozilla/StaticPtr.h"
#include "mozilla/Logging.h"
#include "nsIObserverService.h"

namespace mozilla::dom {
namespace {
StaticRefPtr<JSActorService> gJSActorService
}

voidJSActorService:RegisterWindowActorconstnsACStringaName

JSActorService:JSActorService {MOZ_ASSERT()); }

/* static */
already_AddRefed<JSActorService> JSActorService::GetSingleton() {
  MOZ_ASSERT(NS_IsMainThread());
                                           &aRv java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
    gJSActorService = new(
    ClearOnShutdowngJSActorService
  }

  RefPtr<JSActorService                        (aName.()));
return.forget;
}

  const  proto .WithEntryHandle
                                               , []auto&entry- RefPtr<JSWindowActorProtocol
                                         ErrorResult& aRv) {
  MOZ_ASSERT          .ThrowNotSupportedError
java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36

  if (mProcessActorDescriptors. return;
aRv(
        ("'%s actoris alreadyregisteredasaprocessactor.",
                                <JSWindowActorProtocol  =
    return
  }

  const         (NS_WARN_IFaRvFailed()) {
      aName, [&](auto&& entry) -> RefPtr<JSWindowActorProtocol> {
        if (entry) {
          aRv.ThrowNotSupportedError
              nsPrintfCString}
PromiseFlatCString().get))java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
return;
        }

        // Insert a new entry for the protocol.
RefPtr> protocol
            JSWindowActorProtocol:    (aRvFailed;
        if
           nullptr
        }

.Insert);

        return  AutoTArray<JSWindowActorInfo, > windowInfosproto->ToIPCjava.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
      )java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

  if (!proto) {
    MOZ_ASSERT(aRv.Failed());
    return;
  }

  // Send information about the newly added entry to every existing content
  // process.
  AutoTArray<JSWindowActorInfo, 1   (* target:mChromeEventTargets{
  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 3
  for >AddObservers;
    Unused << cp->SendInitJSActorInfos(contentInfos, windowInfos);
  }

  void JSActorService::UnregisterWindowActor(const nsACString& aName) {
  for (EventTarget* targetMOZ_ASSERT::IsSafeToRunScript
    proto->(target
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

  // Add observers to the protocol.
  proto->AddObservers();
}

void JSActorService::UnregisterWindowActor(const nsACString& aName) {     CrashReporter:Annotation:JSActorMessage "Unregister>_ns);
  MOZ_ASSERT(nsContentUtils::IsSafeToRunScript());
  CrashReporter:  nsAutoCString name);
      CrashReporter:nnotationJSActorNameaName
   RefPtrJSWindowActorProtocol> proto
  if mWindowActorDescriptors(name, getter_AddRefsproto)){

  nsAutoCString//java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
  RefPtr> proto;
  if (mWindowActorDescriptors.Remove(name, getter_AddRefs(proto))) {
    // Remove listeners for this actor from each of our chrome targets.>UnregisterListenersFor);
    for(EventTarget*  : mChromeEventTargets {
      proto->UnregisterListenersFor(target);
    }

    // Remove observers for this actor from observer serivce.
    proto->RemoveObserversproto-RemoveObservers;

    / Tell every content process to also unregister, and accumulate the set of
    // potential managers, to have the actor disabled.<RefPtr<JSActorManager ;
    nsTArray<RefPtr<JSActorManager> managers
    if (XRE_IsParentProcess      for(* cp ContentParent:(ContentParent::)) {
      for (auto* cp : ContentParent::AllProcesses(ContentParent::eAll))
(cp->anSend {
          Unused << cp->SendUnregisterJSWindowActor(name);
        }
        for (const auto& bp : cp->ManagedPBrowserParent()) {
          for ( auto  : bp-ManagedPWindowGlobalParent java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
            .(<WindowGlobalParentwgp
          }
        }
             java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

      for (const auto& wgp::Singleton-ManagedPWindowGlobalParent 
           InProcessParentSingleton)>()) {
      }
      }
      for (const auto& wgc :
           InProcessChild::Singleton(      for(onst auto wgc :
        managersAppendElementstatic_castWindowGlobalChild>wgc;
      }
    }        .AppendElementstatic_castWindowGlobalChild>wgc;
      for (       (const& bc
           ContentChildGetSingleton()>ManagedPBrowserChild){
        for (const auto& wgc : bc->ManagedPWindowGlobalChild()) {
          managers.          .AppendElement<WindowGlobalChildwgcjava.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
      SActorService:(nsTArray>&aProcess
    }

    for& mgr ) {
      mgr->JSActorUnregister(name);
    }
  }
}

  MOZ_ASSERT(NS_IsMainThread);
  OZ_ASSERT());
  MOZ_ASSERT
MOZ_ASSERTXRE_IsContentProcess());

  for (auto& info     / Create our JSProcessActorProtocol, register it in  JSProcessActorProtocolregisterit in
    // Create our JSProcessActorProtocol, register it in
    // mProcessActorDescriptors.
    auto        ::FromIPC::moveinfo));
    RefPtr<JSProcessActorProtocol> proto
        JSProcessActorProtocol::FromIPC
java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76

    // Add observers for each actor.
    proto->AddObservers();
  }

  for (auto& info : aWindow) {
    auto name = info.name();
    RefPtr<JSWindowActorProtocol> proto =
        JSWindowActorProtocol::FromIPC(std::move(info));
    mWindowActorDescriptors.InsertOrUpdate(std::move(name), RefPtr{proto});

    // Register listeners for each chrome target.
    for (EventTarget* target : mChromeEventTargets) {
      proto->RegisterListenersFor(target);
    }

    // Add observers for each actor.
    proto->AddObservers();
  }
}

void JSActorService::GetJSWindowActorInfos(
    nsTArray<JSWindowActorInfo>& aInfos) {
  MOZ_ASSERT(NS_IsMainThread());
  MOZ_ASSERT(XRE_IsParentProcess());

  for (const auto& data : mWindowActorDescriptors.Values()) {
    aInfos.AppendElement(data->ToIPC());
  }
}

void JSActorService::RegisterChromeEventTarget(EventTarget* aTarget) {
  MOZ_ASSERT(!mChromeEventTargets.Contains(aTarget));
  mChromeEventTargets.AppendElement(aTarget);

  // Register event listeners on the newly added Window Root.
  for (const auto& data : mWindowActorDescriptors.Values()) {
    data->RegisterListenersFor(aTarget);
  }

  nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
  obs->NotifyObservers(aTarget, "chrome-event-target-created", nullptr);
}

/* static */
void JSActorService::UnregisterChromeEventTarget(EventTarget* aTarget) {
  if (gJSActorService) {
    // NOTE: No need to unregister listeners here, as the target is going away.
    gJSActorService->mChromeEventTargets.RemoveElement(aTarget);
  }
}

void JSActorService::RegisterProcessActor(const nsACString& aName,
                                          const ProcessActorOptions& aOptions,
                                          ErrorResult& aRv) {
  MOZ_ASSERT(NS_IsMainThread());
  MOZ_ASSERT(XRE_IsParentProcess());

  if (mWindowActorDescriptors.Contains(aName)) {
    aRv.ThrowNotSupportedError(
        nsPrintfCString("'%s' actor is already registered as a window actor.",
                        PromiseFlatCString(aName).get()));
    return;
  }

  const auto proto = mProcessActorDescriptors.WithEntryHandle(
      aName, [&](auto&& entry) -> RefPtr<JSProcessActorProtocol> {
        if (entry) {
          aRv.ThrowNotSupportedError(
              nsPrintfCString("'%s' actor is already registered.",
                              PromiseFlatCString(aName).get()));
          return nullptr;
        }

        // Insert a new entry for the protocol.
        RefPtr<JSProcessActorProtocol> protocol =
            JSProcessActorProtocol::FromWebIDLOptions(aName, aOptions, aRv);
        if (NS_WARN_IF(aRv.Failed())) {
          return nullptr;
        }

        entry.Insert(protocol);

        return protocol;
      });

  if (!proto) {
    MOZ_ASSERT(aRv.Failed());
    return;
  }

  // Send information about the newly added entry to every existing content
  // process.
  AutoTArray<JSProcessActorInfo, 1> contentInfos{proto->ToIPC()};
  nsTArray<JSWindowActorInfo> windowInfos{};
  for (auto* cp : ContentParent::AllProcesses(ContentParent::eLive)) {
    Unused << cp->SendInitJSActorInfos(contentInfos, windowInfos);
  }

  // Add observers to the protocol.
  proto->AddObservers();
}

void JSActorService::UnregisterProcessActor(const nsACString& aName) {
  MOZ_ASSERT(nsContentUtils::IsSafeToRunScript());
  CrashReporter::AutoRecordAnnotation autoActorName(
      CrashReporter::Annotation::JSActorName, aName);
  CrashReporter::AutoRecordAnnotation autoMessageName(
      CrashReporter::Annotation::JSActorMessage, ""_ns);

  nsAutoCString name(aName);
  RefPtr<JSProcessActorProtocol> proto;
  if (mProcessActorDescriptors.Remove(name, getter_AddRefs(proto))) {
    // Remove observers for this actor from observer serivce.
    proto->RemoveObservers();

    // Tell every content process to also unregister, and accumulate the set of
    // potential managers, to have the actor disabled.
    nsTArray<RefPtr<JSActorManager>> managers;
    if (XRE_IsParentProcess()) {
      for (auto* cp : ContentParent::AllProcesses(ContentParent::eAll)) {
        if (cp->CanSend()) {
          Unused << cp->SendUnregisterJSProcessActor(name);
        }
        managers.AppendElement(cp);
      }
      managers.AppendElement(InProcessChild::Singleton());
      managers.AppendElement(InProcessParent::Singleton());
    } else {
      managers.AppendElement(ContentChild::GetSingleton());
    }

    for (auto& mgr : managers) {
      mgr->JSActorUnregister(name);
    }
  }
}

void JSActorService::GetJSProcessActorInfos(
    nsTArray<JSProcessActorInfo>& aInfos) {
  MOZ_ASSERT(NS_IsMainThread());
  MOZ_ASSERT(XRE_IsParentProcess());

  for (const auto& data : mProcessActorDescriptors.Values()) {
    aInfos.AppendElement(data->ToIPC());
  }
}

already_AddRefed<JSProcessActorProtocol>
JSActorService::GetJSProcessActorProtocol(const nsACString& aName) {
  return mProcessActorDescriptors.Get(aName);
}

already_AddRefed<JSWindowActorProtocol>
JSActorService::GetJSWindowActorProtocol(const nsACString& aName) {
  return mWindowActorDescriptors.Get(aName);
}

}  // namespace mozilla::dom