зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
3.7 KiB
C++
110 строки
3.7 KiB
C++
/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
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/* vim: set sw=2 ts=8 et tw=80 ft=cpp : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_WindowGlobalChild_h
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#define mozilla_dom_WindowGlobalChild_h
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#include "mozilla/RefPtr.h"
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#include "mozilla/dom/PWindowGlobalChild.h"
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#include "nsRefPtrHashtable.h"
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#include "nsWrapperCache.h"
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class nsGlobalWindowInner;
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class nsDocShell;
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namespace mozilla {
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namespace dom {
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class BrowsingContext;
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class WindowGlobalParent;
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class JSWindowActorChild;
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class TabChild;
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/**
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* Actor for a single nsGlobalWindowInner. This actor is used to communicate
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* information to the parent process asynchronously.
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*/
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class WindowGlobalChild : public nsWrapperCache, public PWindowGlobalChild {
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friend class PWindowGlobalChild;
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public:
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WindowGlobalChild)
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WindowGlobalChild)
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static already_AddRefed<WindowGlobalChild> GetByInnerWindowId(
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uint64_t aInnerWindowId);
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static already_AddRefed<WindowGlobalChild> GetByInnerWindowId(
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const GlobalObject& aGlobal, uint64_t aInnerWindowId) {
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return GetByInnerWindowId(aInnerWindowId);
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}
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dom::BrowsingContext* BrowsingContext() { return mBrowsingContext; }
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nsGlobalWindowInner* WindowGlobal() { return mWindowGlobal; }
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// Has this actor been shut down
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bool IsClosed() { return mIPCClosed; }
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void Destroy();
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// Check if this actor is managed by PInProcess, as-in the document is loaded
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// in the chrome process.
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bool IsInProcess() { return XRE_IsParentProcess(); }
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// The Window ID for this WindowGlobal
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uint64_t InnerWindowId() { return mInnerWindowId; }
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uint64_t OuterWindowId() { return mOuterWindowId; }
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bool IsCurrentGlobal();
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// Get the other side of this actor if it is an in-process actor. Returns
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// |nullptr| if the actor has been torn down, or is not in-process.
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already_AddRefed<WindowGlobalParent> GetParentActor();
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// Get this actor's manager if it is not an in-process actor. Returns
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// |nullptr| if the actor has been torn down, or is in-process.
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already_AddRefed<TabChild> GetTabChild();
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void HandleAsyncMessage(const nsString& aActorName,
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const nsString& aMessageName,
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ipc::StructuredCloneData& aData);
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// Get a JS actor object by name.
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already_AddRefed<JSWindowActorChild> GetActor(const nsAString& aName,
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ErrorResult& aRv);
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// Create and initialize the WindowGlobalChild object.
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static already_AddRefed<WindowGlobalChild> Create(
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nsGlobalWindowInner* aWindow);
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nsISupports* GetParentObject();
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JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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protected:
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// IPC messages
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mozilla::ipc::IPCResult RecvAsyncMessage(const nsString& aActorName,
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const nsString& aMessage,
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const ClonedMessageData& aData);
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virtual void ActorDestroy(ActorDestroyReason aWhy) override;
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private:
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WindowGlobalChild(nsGlobalWindowInner* aWindow, dom::BrowsingContext* aBc);
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~WindowGlobalChild();
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RefPtr<nsGlobalWindowInner> mWindowGlobal;
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RefPtr<dom::BrowsingContext> mBrowsingContext;
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nsRefPtrHashtable<nsStringHashKey, JSWindowActorChild> mWindowActors;
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uint64_t mInnerWindowId;
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uint64_t mOuterWindowId;
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bool mIPCClosed;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // !defined(mozilla_dom_WindowGlobalChild_h)
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