The Tor Browser: content/base/src/FileIOObject.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

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

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef FileIOObject_h__

     7 #define FileIOObject_h__

     9 #include "mozilla/DOMEventTargetHelper.h"

    10 #include "nsIChannel.h"

    11 #include "nsIFile.h"

    12 #include "nsIDOMFile.h"

    13 #include "nsIStreamListener.h"

    14 #include "nsITimer.h"

    15 #include "nsCOMPtr.h"

    17 #include "mozilla/dom/DOMError.h"

    19 #define NS_PROGRESS_EVENT_INTERVAL 50

    21 namespace mozilla {

    23 class ErrorResult;

    25 namespace dom {

    27 extern const uint64_t kUnknownSize;

    29 // A common base class for FileReader and FileSaver

    31 class FileIOObject : public DOMEventTargetHelper,

    32                      public nsIStreamListener,

    33                      public nsITimerCallback

    34 {

    35 public:

    36   FileIOObject();

    38   NS_DECL_ISUPPORTS_INHERITED

    40   // Common methods

    41   void Abort(ErrorResult& aRv);

    42   uint16_t ReadyState() const

    43   {

    44     return mReadyState;

    45   }

    46   DOMError* GetError() const

    47   {

    48     return mError;

    49   }

    51   NS_METHOD GetOnabort(JSContext* aCx, JS::MutableHandle<JS::Value> aValue);

    52   NS_METHOD SetOnabort(JSContext* aCx, JS::Handle<JS::Value> aValue);

    53   NS_METHOD GetOnerror(JSContext* aCx, JS::MutableHandle<JS::Value> aValue);

    54   NS_METHOD SetOnerror(JSContext* aCx, JS::Handle<JS::Value> aValue);

    55   NS_METHOD GetOnprogress(JSContext* aCx, JS::MutableHandle<JS::Value> aValue);

    56   NS_METHOD SetOnprogress(JSContext* aCx, JS::Handle<JS::Value> aValue);

    58   IMPL_EVENT_HANDLER(abort)

    59   IMPL_EVENT_HANDLER(error)

    60   IMPL_EVENT_HANDLER(progress)

    62   NS_DECL_NSITIMERCALLBACK

    64   NS_DECL_NSISTREAMLISTENER

    66   NS_DECL_NSIREQUESTOBSERVER

    68   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(FileIOObject, DOMEventTargetHelper)

    70 protected:

    71   // Implemented by the derived class to do whatever it needs to do for abort

    72   virtual void DoAbort(nsAString& aEvent) = 0;

    73   // for onStartRequest (this has a default impl since FileReader doesn't need

    74   // special handling

    75   NS_IMETHOD DoOnStartRequest(nsIRequest *aRequest, nsISupports *aContext);

    76   // for onStopRequest

    77   NS_IMETHOD DoOnStopRequest(nsIRequest *aRequest, nsISupports *aContext,

    78                              nsresult aStatus, nsAString& aSuccessEvent,

    79                              nsAString& aTerminationEvent) = 0;

    80   // and for onDataAvailable

    81   NS_IMETHOD DoOnDataAvailable(nsIRequest *aRequest, nsISupports *aContext,

    82                                nsIInputStream *aInputStream, uint64_t aOffset,

    83                                uint32_t aCount) = 0;

    85   void StartProgressEventTimer();

    86   void ClearProgressEventTimer();

    87   void DispatchError(nsresult rv, nsAString& finalEvent);

    88   nsresult DispatchProgressEvent(const nsAString& aType);

    90   nsCOMPtr<nsITimer> mProgressNotifier;

    91   bool mProgressEventWasDelayed;

    92   bool mTimerIsActive;

    94   nsRefPtr<DOMError> mError;

    95   nsCOMPtr<nsIChannel> mChannel;

    97   uint16_t mReadyState;

    99   uint64_t mTotal;

   100   uint64_t mTransferred;

   101 };

   103 } // namespace dom

   104 } // namespace mozilla

   106 #endif

The Tor Browser / file revision