Quelle ExternalHelperAppParent.h Sprache: C

/* -*- 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

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