uriloader/exthandler/ExternalHelperAppParent.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_ExternalHelperAppParent_h
   8 #define mozilla_dom_ExternalHelperAppParent_h
   9
  10 #include "mozilla/dom/PExternalHelperAppParent.h"
  11 #include "mozilla/ipc/BackgroundUtils.h"
  12 #include "nsIChannel.h"
  13 #include "nsIMultiPartChannel.h"
  14 #include "nsIResumableChannel.h"
  15 #include "nsIStreamListener.h"
  16 #include "nsHashPropertyBag.h"
  17 #include "mozilla/net/PrivateBrowsingChannel.h"
  18
  19 namespace IPC {
  20 class URI;
  21 }  // namespace IPC
  22
  23 class nsExternalAppHandler;
  24
  25 namespace mozilla {
  26
  27 namespace net {
  28 class PChannelDiverterParent;
  29 }  // namespace net
  30
  31 namespace dom {
  32
  33 #define NS_IEXTERNALHELPERAPPPARENT_IID              \
  34   {                                                  \
  35     0x127a01bc, 0x2a49, 0x46a8, {                    \
  36       0x8c, 0x63, 0x4b, 0x5d, 0x3c, 0xa4, 0x07, 0x9c \
  37     }                                                \
  38   }
  39
  40 class nsIExternalHelperAppParent : public nsISupports {
  41  public:
  42   NS_DECLARE_STATIC_IID_ACCESSOR(NS_IEXTERNALHELPERAPPPARENT_IID)
  43
  44   /**
  45    * Returns true if this fake channel represented a file channel in the child.
  46    */
  47   virtual bool WasFileChannel() = 0;
  48 };
  49
  50 NS_DEFINE_STATIC_IID_ACCESSOR(nsIExternalHelperAppParent,
  51                               NS_IEXTERNALHELPERAPPPARENT_IID)
  52
  53 class ContentParent;
  54 class PBrowserParent;
  55
  56 class ExternalHelperAppParent
  57     : public PExternalHelperAppParent,
  58       public nsHashPropertyBag,
  59       public nsIChannel,
  60       public nsIMultiPartChannel,
  61       public nsIResumableChannel,
  62       public nsIStreamListener,
  63       public net::PrivateBrowsingChannel<ExternalHelperAppParent>,
  64       public nsIExternalHelperAppParent {
  65  public:
  66   NS_DECL_ISUPPORTS_INHERITED
  67   NS_DECL_NSIREQUEST
  68   NS_DECL_NSICHANNEL
  69   NS_DECL_NSIMULTIPARTCHANNEL
  70   NS_DECL_NSIRESUMABLECHANNEL
  71   NS_DECL_NSISTREAMLISTENER
  72   NS_DECL_NSIREQUESTOBSERVER
  73
  74   mozilla::ipc::IPCResult RecvOnStartRequest(
  75       const nsACString& entityID) override;
  76   mozilla::ipc::IPCResult RecvOnDataAvailable(const nsACString& data,
  77                                               const uint64_t& offset,
  78                                               const uint32_t& count) override;
  79   mozilla::ipc::IPCResult RecvOnStopRequest(const nsresult& code) override;
  80
  81   bool WasFileChannel() override { return mWasFileChannel; }
  82
  83   ExternalHelperAppParent(nsIURI* uri, const int64_t& contentLength,
  84                           const bool& wasFileChannel,
  85                           const nsACString& aContentDispositionHeader,
  86                           const uint32_t& aContentDispositionHint,
  87                           const nsAString& aContentDispositionFilename);
  88   bool Init(const Maybe<mozilla::net::LoadInfoArgs>& aLoadInfoArgs,
  89             const nsACString& aMimeContentType, const bool& aForceSave,
  90             nsIURI* aReferrer, BrowsingContext* aContext,
  91             const bool& aShouldCloseWindow);
  92
  93  protected:
  94   virtual ~ExternalHelperAppParent();
  95
  96   virtual void ActorDestroy(ActorDestroyReason why) override;
  97   void Delete();
  98
  99  private:
 100   RefPtr<nsIStreamListener> mListener;
 101   nsCOMPtr<nsIURI> mURI;
 102   nsCOMPtr<nsILoadInfo> mLoadInfo;
 103   bool mPending;
 104   bool mIPCClosed;
 105   nsLoadFlags mLoadFlags;
 106   nsresult mStatus;
 107   bool mCanceled;
 108   int64_t mContentLength;
 109   bool mWasFileChannel;
 110   uint32_t mContentDisposition;
 111   nsString mContentDispositionFilename;
 112   nsCString mContentDispositionHeader;
 113   nsCString mEntityID;
 114 };
 115
 116 }  // namespace dom
 117 }  // namespace mozilla
 118 #endif