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/*
* Copyright (C) 2007, 2009 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TIME_RANGES_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TIME_RANGES_H_
#include "third_party/blink/public/platform/web_time_range.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/allocator.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include <algorithm>
namespace blink {
class ExceptionState;
class CORE_EXPORT TimeRanges final : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
// We consider all the Ranges to be semi-bounded as follow: [start, end[
struct Range {
DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
public:
Range() = default;
Range(double start, double end) {
start_ = start;
end_ = end;
}
double start_;
double end_;
inline bool isPointInRange(double point) const {
return start_ <= point && point < end_;
}
inline bool IsOverlappingRange(const Range& range) const {
return isPointInRange(range.start_) || isPointInRange(range.end_) ||
range.isPointInRange(start_);
}
inline bool IsContiguousWithRange(const Range& range) const {
return range.start_ == end_ || range.end_ == start_;
}
inline Range UnionWithOverlappingOrContiguousRange(
const Range& range) const {
Range ret;
ret.start_ = std::min(start_, range.start_);
ret.end_ = std::max(end_, range.end_);
return ret;
}
inline bool IsBeforeRange(const Range& range) const {
return range.start_ >= end_;
}
};
static TimeRanges* Create() { return new TimeRanges; }
static TimeRanges* Create(double start, double end) {
return new TimeRanges(start, end);
}
static TimeRanges* Create(const WebTimeRanges&);
TimeRanges* Copy() const;
void IntersectWith(const TimeRanges*);
void UnionWith(const TimeRanges*);
unsigned length() const { return ranges_.size(); }
double start(unsigned index, ExceptionState&) const;
double end(unsigned index, ExceptionState&) const;
void Add(double start, double end);
bool Contain(double time) const;
double Nearest(double new_playback_position,
double current_playback_position) const;
private:
TimeRanges() = default;
TimeRanges(double start, double end);
void Invert();
Vector<Range> ranges_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TIME_RANGES_H_