gecko-dev/dom/html/TimeRanges.h
Carsten "Tomcat" Book ab3a404727 Backed out 10 changesets (bug 1091008, bug 1093020, bug 1063323) for windows m2 permanent test failures on a CLOSED TREE
Backed out changeset 21ddb8a58fea (bug 1093020)
Backed out changeset fe9e11333c7d (bug 1093020)
Backed out changeset bba774c54652 (bug 1063323)
Backed out changeset 16f58d7e1e17 (bug 1091008)
Backed out changeset 649bfc6dad4d (bug 1091008)
Backed out changeset 6f270b2d90f4 (bug 1091008)
Backed out changeset 966093bbc26a (bug 1091008)
Backed out changeset 9de4746aa59a (bug 1091008)
Backed out changeset 856016c0118a (bug 1091008)
Backed out changeset 8aaa10a8d956 (bug 1091008)
2014-11-05 12:57:43 +01:00

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2.4 KiB
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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/. */
#ifndef mozilla_dom_TimeRanges_h_
#define mozilla_dom_TimeRanges_h_
#include "nsIDOMTimeRanges.h"
#include "nsISupports.h"
#include "nsTArray.h"
#include "nsWrapperCache.h"
#include "mozilla/ErrorResult.h"
#include "nsAutoPtr.h"
namespace mozilla {
namespace dom {
class TimeRanges;
}
namespace dom {
// Implements media TimeRanges:
// http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#timeranges
class TimeRanges MOZ_FINAL : public nsIDOMTimeRanges
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMTIMERANGES
TimeRanges();
void Add(double aStart, double aEnd);
// Returns the start time of the first range, or -1 if no ranges exist.
double GetStartTime();
// Returns the end time of the last range, or -1 if no ranges exist.
double GetEndTime();
// See http://www.whatwg.org/html/#normalized-timeranges-object
void Normalize();
// Mutate this TimeRange to be the union of this and aOtherRanges.
void Union(const TimeRanges* aOtherRanges);
// Mutate this TimeRange to be the intersection of this and aOtherRanges.
void Intersection(const TimeRanges* aOtherRanges);
JSObject* WrapObject(JSContext* aCx);
uint32_t Length() const
{
return mRanges.Length();
}
virtual double Start(uint32_t aIndex, ErrorResult& aRv);
virtual double End(uint32_t aIndex, ErrorResult& aRv);
private:
~TimeRanges();
// Comparator which orders TimeRanges by start time. Used by Normalize().
struct TimeRange
{
TimeRange(double aStart, double aEnd)
: mStart(aStart),
mEnd(aEnd) {}
double mStart;
double mEnd;
};
struct CompareTimeRanges
{
bool Equals(const TimeRange& aTr1, const TimeRange& aTr2) const {
return aTr1.mStart == aTr2.mStart && aTr1.mEnd == aTr2.mEnd;
}
bool LessThan(const TimeRange& aTr1, const TimeRange& aTr2) const {
return aTr1.mStart < aTr2.mStart;
}
};
nsAutoTArray<TimeRange,4> mRanges;
public:
typedef nsTArray<TimeRange>::index_type index_type;
static const index_type NoIndex = index_type(-1);
index_type Find(double aTime);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_TimeRanges_h_