LCOV - code coverage report
Current view: top level - dom/media - TextTrack.h (source / functions) Hit Total Coverage
Test: output.info Lines: 0 16 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 12 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             : /* vim:set ts=2 sw=2 et tw=78: */
       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_TextTrack_h
       8             : #define mozilla_dom_TextTrack_h
       9             : 
      10             : #include "mozilla/DOMEventTargetHelper.h"
      11             : #include "mozilla/dom/TextTrackBinding.h"
      12             : #include "nsCOMPtr.h"
      13             : #include "nsCycleCollectionParticipant.h"
      14             : #include "nsString.h"
      15             : 
      16             : namespace mozilla {
      17             : namespace dom {
      18             : 
      19             : class TextTrackList;
      20             : class TextTrackCue;
      21             : class TextTrackCueList;
      22             : class HTMLTrackElement;
      23             : 
      24             : enum TextTrackSource {
      25             :   Track,
      26             :   AddTextTrack,
      27             :   MediaResourceSpecific
      28             : };
      29             : 
      30             : // Constants for numeric readyState property values.
      31             : enum TextTrackReadyState {
      32             :   NotLoaded = 0U,
      33             :   Loading = 1U,
      34             :   Loaded = 2U,
      35             :   FailedToLoad = 3U
      36             : };
      37             : 
      38             : class TextTrack final : public DOMEventTargetHelper
      39             : {
      40             : public:
      41             :   NS_DECL_ISUPPORTS_INHERITED
      42           0 :   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TextTrack, DOMEventTargetHelper)
      43             : 
      44             :   TextTrack(nsPIDOMWindowInner* aOwnerWindow,
      45             :             TextTrackKind aKind,
      46             :             const nsAString& aLabel,
      47             :             const nsAString& aLanguage,
      48             :             TextTrackMode aMode,
      49             :             TextTrackReadyState aReadyState,
      50             :             TextTrackSource aTextTrackSource);
      51             :   TextTrack(nsPIDOMWindowInner* aOwnerWindow,
      52             :             TextTrackList* aTextTrackList,
      53             :             TextTrackKind aKind,
      54             :             const nsAString& aLabel,
      55             :             const nsAString& aLanguage,
      56             :             TextTrackMode aMode,
      57             :             TextTrackReadyState aReadyState,
      58             :             TextTrackSource aTextTrackSource);
      59             : 
      60             :   void SetDefaultSettings();
      61             : 
      62             :   JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
      63             : 
      64           0 :   TextTrackKind Kind() const
      65             :   {
      66           0 :     return mKind;
      67             :   }
      68             :   void GetLabel(nsAString& aLabel) const;
      69             :   void GetLanguage(nsAString& aLanguage) const;
      70           0 :   void GetInBandMetadataTrackDispatchType(nsAString& aType) const
      71             :   {
      72           0 :     aType = mType;
      73           0 :   }
      74             :   void GetId(nsAString& aId) const;
      75             : 
      76           0 :   TextTrackMode Mode() const
      77             :   {
      78           0 :     return mMode;
      79             :   }
      80             :   void SetMode(TextTrackMode aValue);
      81             : 
      82           0 :   TextTrackCueList* GetCues() const
      83             :   {
      84           0 :     if (mMode == TextTrackMode::Disabled) {
      85           0 :       return nullptr;
      86             :     }
      87           0 :     return mCueList;
      88             :   }
      89             : 
      90             :   TextTrackCueList* GetActiveCues();
      91             :   void UpdateActiveCueList();
      92             :   void GetActiveCueArray(nsTArray<RefPtr<TextTrackCue> >& aCues);
      93             : 
      94             :   TextTrackReadyState ReadyState() const;
      95             :   void SetReadyState(TextTrackReadyState aState);
      96             :   void SetReadyState(uint32_t aReadyState);
      97             : 
      98             :   void AddCue(TextTrackCue& aCue);
      99             :   void RemoveCue(TextTrackCue& aCue, ErrorResult& aRv);
     100           0 :   void SetDirty() { mDirty = true; }
     101             :   void SetCuesDirty();
     102             : 
     103             :   TextTrackList* GetTextTrackList();
     104             :   void SetTextTrackList(TextTrackList* aTextTrackList);
     105             : 
     106           0 :   IMPL_EVENT_HANDLER(cuechange)
     107             : 
     108             :   HTMLTrackElement* GetTrackElement();
     109             :   void SetTrackElement(HTMLTrackElement* aTrackElement);
     110             : 
     111           0 :   TextTrackSource GetTextTrackSource() {
     112           0 :     return mTextTrackSource;
     113             :   }
     114             : 
     115             :   void SetCuesInactive();
     116             : 
     117             :   void NotifyCueUpdated(TextTrackCue *aCue);
     118             : 
     119             :   void DispatchAsyncTrustedEvent(const nsString& aEventName);
     120             : 
     121             :   bool IsLoaded();
     122             : 
     123             : private:
     124             :   ~TextTrack();
     125             : 
     126             :   RefPtr<TextTrackList> mTextTrackList;
     127             : 
     128             :   TextTrackKind mKind;
     129             :   nsString mLabel;
     130             :   nsString mLanguage;
     131             :   nsString mType;
     132             :   TextTrackMode mMode;
     133             : 
     134             :   RefPtr<TextTrackCueList> mCueList;
     135             :   RefPtr<TextTrackCueList> mActiveCueList;
     136             :   RefPtr<HTMLTrackElement> mTrackElement;
     137             : 
     138             :   uint32_t mCuePos;
     139             :   TextTrackReadyState mReadyState;
     140             :   bool mDirty;
     141             : 
     142             :   // An enum that represents where the track was sourced from.
     143             :   TextTrackSource mTextTrackSource;
     144             : };
     145             : 
     146             : } // namespace dom
     147             : } // namespace mozilla
     148             : 
     149             : #endif // mozilla_dom_TextTrack_h

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