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.* file, 
 * 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.h"
#include "mozilla/dom/ChromeUtilsBinding.h"
#include "mozilla/dom/BrowserChild.h"
#include "mozilla/dom/BrowserParent.h"
#include "mozilla/dom/EventListenerBinding.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"
#include "mozilla/dom/JSProcessActorChild.h"
#include "mozilla/dom/JSProcessActorProtocol.h"
#include "mozilla/dom/JSWindowActorBinding.h"
#include "mozilla/dom/JSWindowActorChild.h"
#include "mozilla/dom/JSWindowActorProtocol.h"
#include "mozilla/dom/MessageManagerBinding.h"
#include "mozilla/dom/PContent.h"
#include"mozilla/dom/ContentChild.h"
#nclude"/dom/.h"
/WindowGlobalChild
#include "mozilla/dom/ventListenerBindinghjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
#include#include "mozilla/dom/JSProcessActorChild.h"
#include "mozilla/Services.h"
#include "mozilla/StaticPtr.h"
#include "mozilla/Logging.h"
#include "nsIObserverService.h"
#include"mozilla/dom/JSProcessActorProtocol.h"
namespace mozilla::dom {
namespace {
StaticRefPtr<includemozillaJSWindowActorBinding
}

# "/dom/JSWindowActorChild.h"

JSActorService:#nclude "/domMessageManagerBinding."

/* static */
already_AddRefed<JSActorService> JSActorService::GetSingleton() {
  MOZ_ASSERT(NS_IsMainThread);
#include mozilla/h"
   =JSActorService
    ClearOnShutdown(&gJSActorService);
  }

  RefPtr<JSActorService> service = gJSActorService.get();
  return include"
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 :( & ,
                                         const:~() (NS_IsMainThread
ErrorResult ) {
  MOZ_ASSERT(NS_IsMainThread());
  MOZ_ASSERT(XRE_IsParentProcess());

  if (mProcessActorDescriptors.Contains(aName)) {
Error
        nsPrintfCString    (&);
                        PromiseFlatCString).et
       service()
  }

  constauto =mWindowActorDescriptors(
aName&(& ) >RefPtr> {
        if (entry) {
aRv(
              nsPrintfCString("'%s);
                              PromiseFlatCString(aName).get()));
          nullptr
        }

    .ThrowNotSupportedErrornsPrintfCString''       actor
RefPtr>protocol
            JSWindowActorProtocol::FromWebIDLOptions( ;
if(.Failed)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
          returnaRv(
        }

                              aName();

        return protocol;           nullptr
      });

          <JSWindowActorProtocol =
MOZ_ASSERT.())
    return;


return;
  // process.(protocol
  AutoTArrayJSWindowActorInfo1 {proto-()};
  nsTArray<JSProcessActorInfo> contentInfos{};
  for (auto* };
    Unused <java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  }

  // Register event listeners for any existing chrome targets.
forEventTarget  ) {
    proto->RegisterListenersFor(target);
  }

  // Add observers to the protocol.
o-()java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
}}

java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
  (nsContentUtils());
  CrashReporter::AutoRecordAnnotationproto->RegisterListenersFor);
}
  CrashReporter::java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 35
     ::, <")java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68

 (aName::::, );
 <JSWindowActorProtocol;
f(.Remove ()) 
     Remove listeners for this actor from each of our chrome targets.
    for (EventTarget*   <JSWindowActorProtocoljava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
      proto-(target
    }

    // Remove observers for this actor from observer serivce. EventTargettarget) java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
    >()

/
    // potential managers, to have the actor disabled.
    nsTArrayRefPtr>>managers
    if (XRE_IsParentProcessnsTArrayRefPtr> ;
 auto ::AllProcesses:eAll
        if (cp->CanSend()) {

        }
        for>())java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
          for (constfor const&wgp>()){
            managers.AppendElement(static_castmanagersAppendElementstatic_cast*>());
   }
        }
      }

      for (const auto& wgp :
           InProcessParent()>()){
        managers.AppendElement::(-ManagedPWindowGlobalParent
      java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
 (onst&wgc
           InProcessChild::Singleton()->ManagedPWindowGlobalChild.(<*>())
managers(<*>())
      }
    } else {
for auto  :
::GetSingleton-() java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
        for (const auto& wgc : bc->ManagedPWindowGlobalChild()) {
managers(static_cast*>());
        }
      }
    }

    for (auto& mgr : managers) {
      mgr-        }
    }
  }
}

:LoadJSActorInfos<JSProcessActorInfo ,
                                       (auto  :managers
MOZ_ASSERT())
M(XRE_IsContentProcess

  (XRE_IsContentProcess)
// Createour,  itin
    // mProcessActorDescriptors.
    auto name = info
    RefPtr<JSProcessActorProtocol
JSProcessActorProtocol(std(info
    mProcessActorDescriptors    RefPtrJSProcessActorProtocol =

        mProcessActorDescriptors.InsertOrUpdate(std::move(name), RefPtr{proto});
    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