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 #include "mozilla/dom/PExternalHelperAppParent.h"
   8 #include "mozilla/ipc/BackgroundUtils.h"
   9 #include "nsIChannel.h"
  10 #include "nsIMultiPartChannel.h"
  11 #include "nsIResumableChannel.h"
  12 #include "nsIStreamListener.h"
  13 #include "nsHashPropertyBag.h"
  14 #include "mozilla/net/PrivateBrowsingChannel.h"
  15
  16 namespace IPC {
  17 class URI;
  18 }  // namespace IPC
  19
  20 class nsExternalAppHandler;
  21
  22 namespace mozilla {
  23
  24 namespace net {
  25 class PChannelDiverterParent;
  26 }  // namespace net
  27
  28 namespace dom {
  29
  30 #define NS_IEXTERNALHELPERAPPPARENT_IID              \
  31   {                                                  \
  32     0x127a01bc, 0x2a49, 0x46a8, {                    \
  33       0x8c, 0x63, 0x4b, 0x5d, 0x3c, 0xa4, 0x07, 0x9c \
  34     }                                                \
  35   }
  36
  37 class nsIExternalHelperAppParent : public nsISupports {
  38  public:
  39   NS_DECLARE_STATIC_IID_ACCESSOR(NS_IEXTERNALHELPERAPPPARENT_IID)
  40
  41   /**
  42    * Returns true if this fake channel represented a file channel in the child.
  43    */
  44   virtual bool WasFileChannel() = 0;
  45 };
  46
  47 NS_DEFINE_STATIC_IID_ACCESSOR(nsIExternalHelperAppParent,
  48                               NS_IEXTERNALHELPERAPPPARENT_IID)
  49
  50 class ContentParent;
  51 class PBrowserParent;
  52
  53 class ExternalHelperAppParent
  54     : public PExternalHelperAppParent,
  55       public nsHashPropertyBag,
  56       public nsIChannel,
  57       public nsIMultiPartChannel,
  58       public nsIResumableChannel,
  59       public nsIStreamListener,
  60       public net::PrivateBrowsingChannel<ExternalHelperAppParent>,
  61       public nsIExternalHelperAppParent {
  62  public:
  63   NS_DECL_ISUPPORTS_INHERITED
  64   NS_DECL_NSIREQUEST
  65   NS_DECL_NSICHANNEL
  66   NS_DECL_NSIMULTIPARTCHANNEL
  67   NS_DECL_NSIRESUMABLECHANNEL
  68   NS_DECL_NSISTREAMLISTENER
  69   NS_DECL_NSIREQUESTOBSERVER
  70
  71   mozilla::ipc::IPCResult RecvOnStartRequest(
  72       const nsCString& entityID) override;
  73   mozilla::ipc::IPCResult RecvOnDataAvailable(const nsCString& data,
  74                                               const uint64_t& offset,
  75                                               const uint32_t& count) override;
  76   mozilla::ipc::IPCResult RecvOnStopRequest(const nsresult& code) override;
  77
  78   bool WasFileChannel() override { return mWasFileChannel; }
  79
  80   ExternalHelperAppParent(nsIURI* uri, const int64_t& contentLength,
  81                           const bool& wasFileChannel,
  82                           const nsCString& aContentDispositionHeader,
  83                           const uint32_t& aContentDispositionHint,
  84                           const nsString& aContentDispositionFilename);
  85   void Init(const Maybe<mozilla::net::LoadInfoArgs>& aLoadInfoArgs,
  86             const nsCString& aMimeContentType, const bool& aForceSave,
  87             nsIURI* aReferrer, BrowsingContext* aContext,
  88             const bool& aShouldCloseWindow);
  89
  90  protected:
  91   virtual ~ExternalHelperAppParent();
  92
  93   virtual void ActorDestroy(ActorDestroyReason why) override;
  94   void Delete();
  95
  96  private:
  97   RefPtr<nsIStreamListener> mListener;
  98   nsCOMPtr<nsIURI> mURI;
  99   nsCOMPtr<nsILoadInfo> mLoadInfo;
 100   bool mPending;
 101   bool mIPCClosed;
 102   nsLoadFlags mLoadFlags;
 103   nsresult mStatus;
 104   bool mCanceled;
 105   int64_t mContentLength;
 106   bool mWasFileChannel;
 107   uint32_t mContentDisposition;
 108   nsString mContentDispositionFilename;
 109   nsCString mContentDispositionHeader;
 110   nsCString mEntityID;
 111 };
 112
 113 }  // namespace dom
 114 }  // namespace mozilla