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/*
* 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 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;
// 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_
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