LCOV - code coverage report
Current view: top level - dom/media - WebVTTListener.h (source / functions) Hit Total Coverage
Test: output.info Lines: 0 1 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 7 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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/. */
       5             : 
       6             : #ifndef mozilla_dom_WebVTTLoadListener_h
       7             : #define mozilla_dom_WebVTTLoadListener_h
       8             : 
       9             : #include "nsIWebVTTListener.h"
      10             : #include "nsIStreamListener.h"
      11             : #include "nsIChannelEventSink.h"
      12             : #include "nsIInterfaceRequestor.h"
      13             : #include "nsCOMPtr.h"
      14             : #include "nsCycleCollectionParticipant.h"
      15             : 
      16             : class nsIWebVTTParserWrapper;
      17             : 
      18             : namespace mozilla {
      19             : namespace dom {
      20             : 
      21             : class HTMLTrackElement;
      22             : 
      23             : class WebVTTListener final : public nsIWebVTTListener,
      24             :                              public nsIStreamListener,
      25             :                              public nsIChannelEventSink,
      26             :                              public nsIInterfaceRequestor
      27             : {
      28             :   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
      29             :   NS_DECL_NSIWEBVTTLISTENER
      30             :   NS_DECL_NSIREQUESTOBSERVER
      31             :   NS_DECL_NSISTREAMLISTENER
      32             :   NS_DECL_NSICHANNELEVENTSINK
      33             :   NS_DECL_NSIINTERFACEREQUESTOR
      34             : 
      35           0 :   NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(WebVTTListener,
      36             :                                            nsIStreamListener)
      37             : 
      38             : public:
      39             :   explicit WebVTTListener(HTMLTrackElement* aElement);
      40             : 
      41             :   /**
      42             :    * Loads the WebVTTListener. Must call this in order for the listener to be
      43             :    * ready to parse data that is passed to it.
      44             :    */
      45             :   nsresult LoadResource();
      46             : 
      47             : private:
      48             :   ~WebVTTListener();
      49             : 
      50             :   // List of error codes returned from the WebVTT parser that we care about.
      51             :   enum ErrorCodes {
      52             :     BadSignature = 0
      53             :   };
      54             :   static nsresult ParseChunk(nsIInputStream* aInStream, void* aClosure,
      55             :                              const char* aFromSegment, uint32_t aToOffset,
      56             :                              uint32_t aCount, uint32_t* aWriteCount);
      57             : 
      58             :   RefPtr<HTMLTrackElement> mElement;
      59             :   nsCOMPtr<nsIWebVTTParserWrapper> mParserWrapper;
      60             : };
      61             : 
      62             : } // namespace dom
      63             : } // namespace mozilla
      64             : 
      65             : #endif // mozilla_dom_WebVTTListener_h

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