зеркало из https://github.com/mozilla/gecko-dev.git
108 строки
3.3 KiB
C++
108 строки
3.3 KiB
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/. */
|
|
|
|
#ifndef mozilla_dom_ContentProcessMessageManager_h
|
|
#define mozilla_dom_ContentProcessMessageManager_h
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "mozilla/dom/MessageManagerGlobal.h"
|
|
#include "mozilla/dom/MessageManagerCallback.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsIScriptContext.h"
|
|
#include "nsIScriptContext.h"
|
|
#include "nsServiceManagerUtils.h"
|
|
#include "nsWeakReference.h"
|
|
#include "nsWrapperCache.h"
|
|
#include "xpcpublic.h"
|
|
|
|
class nsFrameMessageManager;
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
namespace ipc {
|
|
class SharedMap;
|
|
}
|
|
|
|
/**
|
|
* This class implements a singleton process message manager for content
|
|
* processes. Each child process has exactly one instance of this class, which
|
|
* hosts the process's process scripts, and may exchange messages with its
|
|
* corresponding ParentProcessMessageManager on the parent side.
|
|
*/
|
|
|
|
class ContentProcessMessageManager : public nsIMessageSender,
|
|
public nsMessageManagerScriptExecutor,
|
|
public nsSupportsWeakReference,
|
|
public ipc::MessageManagerCallback,
|
|
public MessageManagerGlobal,
|
|
public nsWrapperCache {
|
|
public:
|
|
explicit ContentProcessMessageManager(nsFrameMessageManager* aMessageManager);
|
|
|
|
using ipc::MessageManagerCallback::GetProcessMessageManager;
|
|
using MessageManagerGlobal::GetProcessMessageManager;
|
|
|
|
bool Init();
|
|
|
|
static ContentProcessMessageManager* Get();
|
|
static bool WasCreated();
|
|
|
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
|
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(
|
|
ContentProcessMessageManager, nsIMessageSender)
|
|
|
|
void MarkForCC();
|
|
|
|
virtual JSObject* WrapObject(JSContext* aCx,
|
|
JS::Handle<JSObject*> aGivenProto) override;
|
|
|
|
JSObject* GetOrCreateWrapper();
|
|
|
|
using MessageManagerGlobal::AddMessageListener;
|
|
using MessageManagerGlobal::AddWeakMessageListener;
|
|
using MessageManagerGlobal::RemoveMessageListener;
|
|
using MessageManagerGlobal::RemoveWeakMessageListener;
|
|
|
|
// ContentProcessMessageManager
|
|
void GetInitialProcessData(JSContext* aCx,
|
|
JS::MutableHandle<JS::Value> aInitialProcessData,
|
|
ErrorResult& aError) {
|
|
if (!mMessageManager) {
|
|
aError.Throw(NS_ERROR_NOT_INITIALIZED);
|
|
return;
|
|
}
|
|
mMessageManager->GetInitialProcessData(aCx, aInitialProcessData, aError);
|
|
}
|
|
|
|
already_AddRefed<ipc::SharedMap> GetSharedData();
|
|
|
|
NS_FORWARD_SAFE_NSIMESSAGESENDER(mMessageManager)
|
|
|
|
nsIGlobalObject* GetParentObject() const {
|
|
return xpc::NativeGlobal(xpc::PrivilegedJunkScope());
|
|
}
|
|
|
|
virtual void LoadScript(const nsAString& aURL);
|
|
|
|
bool IsProcessScoped() const override { return true; }
|
|
|
|
void SetInitialProcessData(JS::HandleValue aInitialData);
|
|
|
|
protected:
|
|
virtual ~ContentProcessMessageManager();
|
|
|
|
private:
|
|
bool mInitialized;
|
|
|
|
static bool sWasCreated;
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_dom_ContentProcessMessageManager_h
|