ExternalHelperAppParent.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=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_ExternalHelperAppParent_h

#define mozilla_dom_ExternalHelperAppParent_h

#include "mozilla/dom/PExternalHelperAppParent.h"

#include "mozilla/ipc/BackgroundUtils.h"

#include "nsIChannel.h"

#include "nsIMultiPartChannel.h"

#include "nsIResumableChannel.h"

#include "nsIStreamListener.h"

#include "nsHashPropertyBag.h"

#include "mozilla/net/PrivateBrowsingChannel.h"

namespace IPC {

class URI;

}  // namespace IPC

class nsExternalAppHandler;

namespace mozilla {

namespace net {

class PChannelDiverterParent;

}  // namespace net

namespace dom {

#define NS_IEXTERNALHELPERAPPPARENT_IID              \

  {                                                  \

    0x127a01bc, 0x2a49, 0x46a8, {                    \

      0x8c, 0x63, 0x4b, 0x5d, 0x3c, 0xa4, 0x07, 0x9c \

    }                                                \

class nsIExternalHelperAppParent : public nsISupports {

 public:

  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IEXTERNALHELPERAPPPARENT_IID)

/**

   * Returns true if this fake channel represented a file channel in the child.

*/

  virtual bool WasFileChannel() = 0;

};

NS_DEFINE_STATIC_IID_ACCESSOR(nsIExternalHelperAppParent,

                              NS_IEXTERNALHELPERAPPPARENT_IID)

class ContentParent;

class PBrowserParent;

class ExternalHelperAppParent

    : public PExternalHelperAppParent,

      public nsHashPropertyBag,

      public nsIChannel,

      public nsIMultiPartChannel,

      public nsIResumableChannel,

      public nsIStreamListener,

      public net::PrivateBrowsingChannel<ExternalHelperAppParent>,

      public nsIExternalHelperAppParent {

 public:

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_NSIREQUEST

  NS_DECL_NSICHANNEL

  NS_DECL_NSIMULTIPARTCHANNEL

  NS_DECL_NSIRESUMABLECHANNEL

  NS_DECL_NSISTREAMLISTENER

  NS_DECL_NSIREQUESTOBSERVER

  mozilla::ipc::IPCResult RecvOnStartRequest(

      const nsACString& entityID) override;

  mozilla::ipc::IPCResult RecvOnDataAvailable(const nsACString& data,

                                              const uint64_t& offset,

                                              const uint32_t& count) override;

  mozilla::ipc::IPCResult RecvOnStopRequest(const nsresult& code) override;

  bool WasFileChannel() override { return mWasFileChannel; }

  ExternalHelperAppParent(nsIURI* uri, const int64_t& contentLength,

                          const bool& wasFileChannel,

                          const nsACString& aContentDispositionHeader,

                          const uint32_t& aContentDispositionHint,

                          const nsAString& aContentDispositionFilename);

  bool Init(const mozilla::net::LoadInfoArgs& aLoadInfoArgs,

            const nsACString& aMimeContentType, const bool& aForceSave,

            nsIURI* aReferrer, BrowsingContext* aContext);

 protected:

  virtual ~ExternalHelperAppParent();

  virtual void ActorDestroy(ActorDestroyReason why) override;

  void Delete();

 private:

  RefPtr<nsIStreamListener> mListener;

  nsCOMPtr<nsIURI> mURI;

  nsCOMPtr<nsILoadInfo> mLoadInfo;

  bool mPending;

  bool mIPCClosed;

  nsLoadFlags mLoadFlags;

  nsresult mStatus;

  bool mCanceled;

  int64_t mContentLength;

  bool mWasFileChannel;

  uint32_t mContentDisposition;

  nsString mContentDispositionFilename;

  nsCString mContentDispositionHeader;

  nsCString mEntityID;

};

}  // namespace dom

}  // namespace mozilla

#endif