content/media/TextTrackCueList.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/content/media/TextTrackCueList.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,116 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "mozilla/dom/TextTrackCueList.h"
    1.10 +#include "mozilla/dom/TextTrackCueListBinding.h"
    1.11 +#include "mozilla/dom/TextTrackCue.h"
    1.12 +
    1.13 +namespace mozilla {
    1.14 +namespace dom {
    1.15 +
    1.16 +class CompareCuesByTime
    1.17 +{
    1.18 +public:
    1.19 +  bool Equals(TextTrackCue* aOne, TextTrackCue* aTwo) const {
    1.20 +    return aOne->StartTime() == aTwo->StartTime() &&
    1.21 +           aOne->EndTime() == aTwo->EndTime();
    1.22 +  }
    1.23 +  bool LessThan(TextTrackCue* aOne, TextTrackCue* aTwo) const {
    1.24 +    return aOne->StartTime() < aTwo->StartTime() ||
    1.25 +           (aOne->StartTime() == aTwo->StartTime() &&
    1.26 +            aOne->EndTime() < aTwo->EndTime());
    1.27 +  }
    1.28 +};
    1.29 +
    1.30 +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_2(TextTrackCueList, mParent, mList)
    1.31 +
    1.32 +NS_IMPL_CYCLE_COLLECTING_ADDREF(TextTrackCueList)
    1.33 +NS_IMPL_CYCLE_COLLECTING_RELEASE(TextTrackCueList)
    1.34 +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TextTrackCueList)
    1.35 +  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
    1.36 +  NS_INTERFACE_MAP_ENTRY(nsISupports)
    1.37 +NS_INTERFACE_MAP_END
    1.38 +
    1.39 +TextTrackCueList::TextTrackCueList(nsISupports* aParent) : mParent(aParent)
    1.40 +{
    1.41 +  SetIsDOMBinding();
    1.42 +}
    1.43 +
    1.44 +JSObject*
    1.45 +TextTrackCueList::WrapObject(JSContext* aCx)
    1.46 +{
    1.47 +  return TextTrackCueListBinding::Wrap(aCx, this);
    1.48 +}
    1.49 +
    1.50 +TextTrackCue*
    1.51 +TextTrackCueList::IndexedGetter(uint32_t aIndex, bool& aFound)
    1.52 +{
    1.53 +  aFound = aIndex < mList.Length();
    1.54 +  return aFound ? mList[aIndex] : nullptr;
    1.55 +}
    1.56 +
    1.57 +TextTrackCue*
    1.58 +TextTrackCueList::operator[](uint32_t aIndex)
    1.59 +{
    1.60 +  return mList.SafeElementAt(aIndex, nullptr);
    1.61 +}
    1.62 +
    1.63 +TextTrackCue*
    1.64 +TextTrackCueList::GetCueById(const nsAString& aId)
    1.65 +{
    1.66 +  if (aId.IsEmpty()) {
    1.67 +    return nullptr;
    1.68 +  }
    1.69 +
    1.70 +  for (uint32_t i = 0; i < mList.Length(); i++) {
    1.71 +    if (aId.Equals(mList[i]->Id())) {
    1.72 +      return mList[i];
    1.73 +    }
    1.74 +  }
    1.75 +  return nullptr;
    1.76 +}
    1.77 +
    1.78 +void
    1.79 +TextTrackCueList::AddCue(TextTrackCue& aCue)
    1.80 +{
    1.81 +  if (mList.Contains(&aCue)) {
    1.82 +    return;
    1.83 +  }
    1.84 +  mList.InsertElementSorted(&aCue, CompareCuesByTime());
    1.85 +}
    1.86 +
    1.87 +void
    1.88 +TextTrackCueList::RemoveCue(TextTrackCue& aCue, ErrorResult& aRv)
    1.89 +{
    1.90 +  if (!mList.Contains(&aCue)) {
    1.91 +    aRv.Throw(NS_ERROR_DOM_NOT_FOUND_ERR);
    1.92 +    return;
    1.93 +  }
    1.94 +  mList.RemoveElement(&aCue);
    1.95 +}
    1.96 +
    1.97 +void
    1.98 +TextTrackCueList::RemoveCueAt(uint32_t aIndex)
    1.99 +{
   1.100 +  if (aIndex < mList.Length()) {
   1.101 +    mList.RemoveElementAt(aIndex);
   1.102 +  }
   1.103 +}
   1.104 +
   1.105 +void
   1.106 +TextTrackCueList::RemoveAll()
   1.107 +{
   1.108 +  mList.Clear();
   1.109 +}
   1.110 +
   1.111 +void
   1.112 +TextTrackCueList::GetArray(nsTArray<nsRefPtr<TextTrackCue> >& aCues)
   1.113 +{
   1.114 +  aCues = nsTArray<nsRefPtr<TextTrackCue> >(mList);
   1.115 +}
   1.116 +
   1.117 +
   1.118 +} // namespace dom
   1.119 +} // namespace mozilla

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