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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/base/ContentProcessMessageManager.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | dom/base/ContentProcessMessageManager.cpp | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/dom/base/ContentProcessMessageManager.cpp b/dom/base/ContentProcessMessageManager.cpp new file mode 100644 index 0000000000..7fe9f4c2c7 --- /dev/null +++ b/dom/base/ContentProcessMessageManager.cpp @@ -0,0 +1,125 @@ +/* -*- 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 "ContentProcessMessageManager.h" + +#include "nsContentCID.h" +#include "mozilla/dom/ContentChild.h" +#include "mozilla/dom/MessageManagerBinding.h" +#include "mozilla/dom/ParentProcessMessageManager.h" +#include "mozilla/dom/ScriptSettings.h" +#include "mozilla/dom/ipc/SharedMap.h" +#include "mozilla/HoldDropJSObjects.h" + +using namespace mozilla; +using namespace mozilla::dom; + +bool ContentProcessMessageManager::sWasCreated = false; + +ContentProcessMessageManager::ContentProcessMessageManager( + nsFrameMessageManager* aMessageManager) + : MessageManagerGlobal(aMessageManager), mInitialized(false) { + mozilla::HoldJSObjects(this); +} + +ContentProcessMessageManager::~ContentProcessMessageManager() { + mozilla::DropJSObjects(this); +} + +ContentProcessMessageManager* ContentProcessMessageManager::Get() { + nsCOMPtr<nsIMessageSender> service = + do_GetService(NS_CHILDPROCESSMESSAGEMANAGER_CONTRACTID); + if (!service) { + return nullptr; + } + sWasCreated = true; + return static_cast<ContentProcessMessageManager*>(service.get()); +} + +already_AddRefed<mozilla::dom::ipc::SharedMap> +ContentProcessMessageManager::GetSharedData() { + if (ContentChild* child = ContentChild::GetSingleton()) { + return do_AddRef(child->SharedData()); + } + auto* ppmm = nsFrameMessageManager::sParentProcessManager; + return do_AddRef(ppmm->SharedData()->GetReadOnly()); +} + +bool ContentProcessMessageManager::WasCreated() { return sWasCreated; } + +void ContentProcessMessageManager::MarkForCC() { + MarkScopesForCC(); + MessageManagerGlobal::MarkForCC(); +} + +NS_IMPL_CYCLE_COLLECTION_CLASS(ContentProcessMessageManager) + +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(ContentProcessMessageManager) + NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMessageManager) +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END + +NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(ContentProcessMessageManager) + NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER + tmp->nsMessageManagerScriptExecutor::Trace(aCallbacks, aClosure); +NS_IMPL_CYCLE_COLLECTION_TRACE_END + +NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(ContentProcessMessageManager) + NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER + NS_IMPL_CYCLE_COLLECTION_UNLINK(mMessageManager) + tmp->nsMessageManagerScriptExecutor::Unlink(); + NS_IMPL_CYCLE_COLLECTION_UNLINK_WEAK_REFERENCE +NS_IMPL_CYCLE_COLLECTION_UNLINK_END + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ContentProcessMessageManager) + NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY + NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIMessageSender) + NS_INTERFACE_MAP_ENTRY(nsIMessageSender) + NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference) +NS_INTERFACE_MAP_END + +NS_IMPL_CYCLE_COLLECTING_ADDREF(ContentProcessMessageManager) +NS_IMPL_CYCLE_COLLECTING_RELEASE(ContentProcessMessageManager) + +bool ContentProcessMessageManager::Init() { + if (mInitialized) { + return true; + } + mInitialized = true; + + return nsMessageManagerScriptExecutor::Init(); +} + +JSObject* ContentProcessMessageManager::WrapObject( + JSContext* aCx, JS::Handle<JSObject*> aGivenProto) { + return ContentProcessMessageManager_Binding::Wrap(aCx, this, aGivenProto); +} + +JSObject* ContentProcessMessageManager::GetOrCreateWrapper() { + JS::Rooted<JS::Value> val(RootingCx()); + { + // Scope to run ~AutoJSAPI before working with a raw JSObject*. + AutoJSAPI jsapi; + jsapi.Init(); + + if (!GetOrCreateDOMReflectorNoWrap(jsapi.cx(), this, &val)) { + return nullptr; + } + } + MOZ_ASSERT(val.isObject()); + return &val.toObject(); +} + +void ContentProcessMessageManager::LoadScript(const nsAString& aURL) { + Init(); + JS::Rooted<JSObject*> messageManager(mozilla::dom::RootingCx(), + GetOrCreateWrapper()); + LoadScriptInternal(messageManager, aURL, true); +} + +void ContentProcessMessageManager::SetInitialProcessData( + JS::Handle<JS::Value> aInitialData) { + mMessageManager->SetInitialProcessData(aInitialData); +} |