| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * Copyright (C) 2012, 2013 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "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 THE COPYRIGHT |
| * OWNER 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_TRACK_TEXT_TRACK_CUE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TRACK_TEXT_TRACK_CUE_H_ |
| |
| #include "third_party/blink/renderer/core/dom/events/event_target.h" |
| #include "third_party/blink/renderer/core/html/html_div_element.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| |
| namespace blink { |
| |
| class TextTrack; |
| |
| class CORE_EXPORT TextTrackCue : public EventTargetWithInlineData { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| static const AtomicString& CueShadowPseudoId() { |
| DEFINE_STATIC_LOCAL(const AtomicString, cue, ("cue")); |
| return cue; |
| } |
| |
| ~TextTrackCue() override = default; |
| |
| TextTrack* track() const; |
| void SetTrack(TextTrack*); |
| |
| Node* Owner() const; |
| |
| const AtomicString& id() const { return id_; } |
| void setId(const AtomicString&); |
| |
| double startTime() const { return start_time_; } |
| void setStartTime(double); |
| |
| double endTime() const { return end_time_; } |
| void setEndTime(double); |
| |
| bool pauseOnExit() const { return pause_on_exit_; } |
| void setPauseOnExit(bool); |
| |
| unsigned CueIndex(); |
| void UpdateCueIndex(unsigned cue_index) { cue_index_ = cue_index; } |
| void InvalidateCueIndex(); |
| |
| bool IsActive() const { return is_active_; } |
| void SetIsActive(bool active) { is_active_ = active; } |
| |
| // Updates the display tree and appends it to container if it has not |
| // already been added. |
| virtual void UpdateDisplay(HTMLDivElement& container) = 0; |
| |
| // Marks the nodes of the display tree as past or future relative to |
| // movieTime. If |updateDisplay| has not been called there is no display |
| // tree and nothing is done. |
| virtual void UpdatePastAndFutureNodes(double movie_time) = 0; |
| |
| // Returns the first timestamp value greater than the given time at which an |
| // inter-cue update occurs, if such a timestamp exists. |
| virtual base::Optional<double> GetNextIntraCueTime( |
| double movie_time) const = 0; |
| |
| // FIXME: Refactor to eliminate removeDisplayTree(). https://crbug.com/322434 |
| enum RemovalNotification { kDontNotifyRegion, kNotifyRegion }; |
| virtual void RemoveDisplayTree(RemovalNotification = kNotifyRegion) = 0; |
| |
| const AtomicString& InterfaceName() const override; |
| |
| #ifndef NDEBUG |
| virtual String ToString() const = 0; |
| #endif |
| |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(enter, kEnter) |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(exit, kExit) |
| |
| void Trace(Visitor*) const override; |
| |
| protected: |
| TextTrackCue(double start, double end); |
| |
| enum CueMutationAffectsOrder { |
| kCueMutationDoesNotAffectOrder, |
| kCueMutationAffectsOrder |
| }; |
| void CueWillChange(); |
| virtual void CueDidChange( |
| CueMutationAffectsOrder = kCueMutationDoesNotAffectOrder); |
| DispatchEventResult DispatchEventInternal(Event&) override; |
| |
| private: |
| AtomicString id_; |
| double start_time_; |
| double end_time_; |
| |
| Member<TextTrack> track_; |
| |
| unsigned cue_index_; |
| |
| bool is_active_ : 1; |
| bool pause_on_exit_ : 1; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TRACK_TEXT_TRACK_CUE_H_ |