зеркало из https://github.com/mozilla/gecko-dev.git
121 строка
2.8 KiB
C++
121 строка
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "mozilla/dom/TextTrackCueList.h"
|
|
#include "mozilla/dom/TextTrackCueListBinding.h"
|
|
#include "mozilla/dom/TextTrackCue.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
class CompareCuesByTime
|
|
{
|
|
public:
|
|
bool Equals(TextTrackCue* aOne, TextTrackCue* aTwo) const {
|
|
return aOne->StartTime() == aTwo->StartTime() &&
|
|
aOne->EndTime() == aTwo->EndTime();
|
|
}
|
|
bool LessThan(TextTrackCue* aOne, TextTrackCue* aTwo) const {
|
|
return aOne->StartTime() < aTwo->StartTime() ||
|
|
(aOne->StartTime() == aTwo->StartTime() &&
|
|
aOne->EndTime() < aTwo->EndTime());
|
|
}
|
|
};
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_2(TextTrackCueList, mParent, mList)
|
|
|
|
NS_IMPL_CYCLE_COLLECTING_ADDREF(TextTrackCueList)
|
|
NS_IMPL_CYCLE_COLLECTING_RELEASE(TextTrackCueList)
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TextTrackCueList)
|
|
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
|
|
NS_INTERFACE_MAP_ENTRY(nsISupports)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
TextTrackCueList::TextTrackCueList(nsISupports* aParent) : mParent(aParent)
|
|
{
|
|
SetIsDOMBinding();
|
|
}
|
|
|
|
void
|
|
TextTrackCueList::Update(double aTime)
|
|
{
|
|
const uint32_t length = mList.Length();
|
|
for (uint32_t i = 0; i < length; i++) {
|
|
if (aTime > mList[i]->StartTime() && aTime < mList[i]->EndTime()) {
|
|
mList[i]->RenderCue();
|
|
}
|
|
}
|
|
}
|
|
|
|
JSObject*
|
|
TextTrackCueList::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope)
|
|
{
|
|
return TextTrackCueListBinding::Wrap(aCx, aScope, this);
|
|
}
|
|
|
|
TextTrackCue*
|
|
TextTrackCueList::IndexedGetter(uint32_t aIndex, bool& aFound)
|
|
{
|
|
aFound = aIndex < mList.Length();
|
|
return aFound ? mList[aIndex] : nullptr;
|
|
}
|
|
|
|
TextTrackCue*
|
|
TextTrackCueList::operator[](uint32_t aIndex)
|
|
{
|
|
return mList.SafeElementAt(aIndex, nullptr);
|
|
}
|
|
|
|
TextTrackCue*
|
|
TextTrackCueList::GetCueById(const nsAString& aId)
|
|
{
|
|
if (aId.IsEmpty()) {
|
|
return nullptr;
|
|
}
|
|
|
|
for (uint32_t i = 0; i < mList.Length(); i++) {
|
|
if (aId.Equals(mList[i]->Id())) {
|
|
return mList[i];
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
void
|
|
TextTrackCueList::AddCue(TextTrackCue& aCue)
|
|
{
|
|
if (mList.Contains(&aCue)) {
|
|
return;
|
|
}
|
|
mList.InsertElementSorted(&aCue, CompareCuesByTime());
|
|
}
|
|
|
|
void
|
|
TextTrackCueList::RemoveCue(TextTrackCue& aCue, ErrorResult& aRv)
|
|
{
|
|
if (!mList.Contains(&aCue)) {
|
|
aRv.Throw(NS_ERROR_DOM_NOT_FOUND_ERR);
|
|
return;
|
|
}
|
|
mList.RemoveElement(&aCue);
|
|
}
|
|
|
|
void
|
|
TextTrackCueList::RemoveCueAt(uint32_t aIndex)
|
|
{
|
|
if (aIndex < mList.Length()) {
|
|
mList.RemoveElementAt(aIndex);
|
|
}
|
|
}
|
|
|
|
void
|
|
TextTrackCueList::RemoveAll()
|
|
{
|
|
mList.Clear();
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|