| /* |
| * 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(); |
| |
| 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 MakeGarbageCollected<TimeRanges>(); } |
| static TimeRanges* Create(double start, double end) { |
| return MakeGarbageCollected<TimeRanges>(start, end); |
| } |
| static TimeRanges* Create(const WebTimeRanges&); |
| |
| TimeRanges() = default; |
| TimeRanges(double start, double end); |
| |
| 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: |
| void Invert(); |
| |
| Vector<Range> ranges_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TIME_RANGES_H_ |