mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-12-28 11:32:05 +00:00
85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||
|
|
/* vim:set ts=2 sw=2 et tw=78: */
|
||
|
|
/* 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/HTMLMediaElement.h"
|
||
|
|
#include "mozilla/dom/VideoTrack.h"
|
||
|
|
#include "mozilla/dom/VideoTrackBinding.h"
|
||
|
|
#include "mozilla/dom/VideoTrackList.h"
|
||
|
|
|
||
|
|
namespace mozilla {
|
||
|
|
namespace dom {
|
||
|
|
|
||
|
|
VideoTrack::VideoTrack(const nsAString& aId,
|
||
|
|
const nsAString& aKind,
|
||
|
|
const nsAString& aLabel,
|
||
|
|
const nsAString& aLanguage)
|
||
|
|
: MediaTrack(aId, aKind, aLabel, aLanguage)
|
||
|
|
, mSelected(false)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
JSObject*
|
||
|
|
VideoTrack::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
|
||
|
|
{
|
||
|
|
return VideoTrackBinding::Wrap(aCx, this, aGivenProto);
|
||
|
|
}
|
||
|
|
|
||
|
|
void VideoTrack::SetSelected(bool aSelected)
|
||
|
|
{
|
||
|
|
SetEnabledInternal(aSelected, MediaTrack::DEFAULT);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
VideoTrack::SetEnabledInternal(bool aEnabled, int aFlags)
|
||
|
|
{
|
||
|
|
if (aEnabled == mSelected) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
mSelected = aEnabled;
|
||
|
|
|
||
|
|
// If this VideoTrack is no longer in its original VideoTrackList, then
|
||
|
|
// whether it is selected or not has no effect on its original list.
|
||
|
|
if (!mList) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
VideoTrackList& list = static_cast<VideoTrackList&>(*mList);
|
||
|
|
if (mSelected) {
|
||
|
|
uint32_t curIndex = 0;
|
||
|
|
|
||
|
|
// Unselect all video tracks except the current one.
|
||
|
|
for (uint32_t i = 0; i < list.Length(); ++i) {
|
||
|
|
if (list[i] == this) {
|
||
|
|
curIndex = i;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
VideoTrack* track = list[i];
|
||
|
|
track->SetSelected(false);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Set the index of selected video track to the current's index.
|
||
|
|
list.mSelectedIndex = curIndex;
|
||
|
|
} else {
|
||
|
|
list.mSelectedIndex = -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Fire the change event at selection changes on this video track, shall
|
||
|
|
// propose a spec change later.
|
||
|
|
if (!(aFlags & MediaTrack::FIRE_NO_EVENTS)) {
|
||
|
|
list.CreateAndDispatchChangeEvent();
|
||
|
|
|
||
|
|
HTMLMediaElement* element = mList->GetMediaElement();
|
||
|
|
if (element) {
|
||
|
|
element->NotifyMediaTrackEnabled(this);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace dom
|
||
|
|
} //namespace mozilla
|