content/media/WebVTTListener.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #ifndef mozilla_dom_WebVTTLoadListener_h
michael@0 7 #define mozilla_dom_WebVTTLoadListener_h
michael@0 8
michael@0 9 #include "nsIWebVTTListener.h"
michael@0 10 #include "nsIStreamListener.h"
michael@0 11 #include "nsIChannelEventSink.h"
michael@0 12 #include "nsAutoPtr.h"
michael@0 13 #include "nsIInterfaceRequestor.h"
michael@0 14 #include "nsCycleCollectionParticipant.h"
michael@0 15
michael@0 16 class nsIWebVTTParserWrapper;
michael@0 17
michael@0 18 namespace mozilla {
michael@0 19 namespace dom {
michael@0 20
michael@0 21 class HTMLTrackElement;
michael@0 22
michael@0 23 class WebVTTListener MOZ_FINAL : public nsIWebVTTListener,
michael@0 24 public nsIStreamListener,
michael@0 25 public nsIChannelEventSink,
michael@0 26 public nsIInterfaceRequestor
michael@0 27 {
michael@0 28 NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0 29 NS_DECL_NSIWEBVTTLISTENER
michael@0 30 NS_DECL_NSIREQUESTOBSERVER
michael@0 31 NS_DECL_NSISTREAMLISTENER
michael@0 32 NS_DECL_NSICHANNELEVENTSINK
michael@0 33 NS_DECL_NSIINTERFACEREQUESTOR
michael@0 34
michael@0 35 NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(WebVTTListener,
michael@0 36 nsIStreamListener)
michael@0 37
michael@0 38 public:
michael@0 39 WebVTTListener(HTMLTrackElement* aElement);
michael@0 40 ~WebVTTListener();
michael@0 41
michael@0 42 /**
michael@0 43 * Loads the WebVTTListener. Must call this in order for the listener to be
michael@0 44 * ready to parse data that is passed to it.
michael@0 45 */
michael@0 46 nsresult LoadResource();
michael@0 47
michael@0 48 private:
michael@0 49 // List of error codes returned from the WebVTT parser that we care about.
michael@0 50 enum ErrorCodes {
michael@0 51 BadSignature = 0
michael@0 52 };
michael@0 53 static NS_METHOD ParseChunk(nsIInputStream* aInStream, void* aClosure,
michael@0 54 const char* aFromSegment, uint32_t aToOffset,
michael@0 55 uint32_t aCount, uint32_t* aWriteCount);
michael@0 56
michael@0 57 nsRefPtr<HTMLTrackElement> mElement;
michael@0 58 nsCOMPtr<nsIWebVTTParserWrapper> mParserWrapper;
michael@0 59 };
michael@0 60
michael@0 61 } // namespace dom
michael@0 62 } // namespace mozilla
michael@0 63
michael@0 64 #endif // mozilla_dom_WebVTTListener_h

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