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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 WebBrowserPersistDocumentParent_h__
#define WebBrowserPersistDocumentParent_h__
#include "mozilla/Maybe.h"
#include "mozilla/PWebBrowserPersistDocumentParent.h"
#include "nsCOMPtr.h"
#include "nsIWebBrowserPersistDocument.h"
// This class is the IPC half of the glue between the
// nsIWebBrowserPersistDocument interface and a remote document. When
// (and if) it receives the Attributes message it constructs an
// WebBrowserPersistRemoteDocument and releases it into the XPCOM
// universe; otherwise, it invokes the document receiver's error
// callback.
//
// This object's lifetime is the normal IPC lifetime; on destruction,
// it calls its XPCOM reflection (if it exists yet) to remove that
// reference. Normal deletion occurs when the XPCOM object is being
// destroyed or after an InitFailure is received and handled.
//
// See also: BrowserParent::StartPersistence.
namespace mozilla {
class WebBrowserPersistRemoteDocument;
class WebBrowserPersistDocumentParent final
: public PWebBrowserPersistDocumentParent {
public:
WebBrowserPersistDocumentParent();
virtual ~WebBrowserPersistDocumentParent();
// Set a callback to be invoked when the actor leaves the START
// state. This method must be called exactly once while the actor
// is still in the START state (or is unconstructed).
void SetOnReady(nsIWebBrowserPersistDocumentReceiver* aOnReady);
using Attrs = WebBrowserPersistDocumentAttrs;
// IPDL methods:
mozilla::ipc::IPCResult RecvAttributes(const Attrs& aAttrs,
const Maybe<IPCStream>& aPostStream);
mozilla::ipc::IPCResult RecvInitFailure(const nsresult& aFailure);
PWebBrowserPersistResourcesParent* AllocPWebBrowserPersistResourcesParent();
bool DeallocPWebBrowserPersistResourcesParent(
PWebBrowserPersistResourcesParent* aActor);
PWebBrowserPersistSerializeParent* AllocPWebBrowserPersistSerializeParent(
const WebBrowserPersistURIMap& aMap,
const nsCString& aRequestedContentType, const uint32_t& aEncoderFlags,
const uint32_t& aWrapColumn);
bool DeallocPWebBrowserPersistSerializeParent(
PWebBrowserPersistSerializeParent* aActor);
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
private:
// This is reset to nullptr when the callback is invoked.
nsCOMPtr<nsIWebBrowserPersistDocumentReceiver> mOnReady;
WebBrowserPersistRemoteDocument* mReflection;
};
} // namespace mozilla
#endif // WebBrowserPersistDocumentParent_h__
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