third_party/blink/renderer/modules/media_controls/elements/media_control_picture_in_picture_button_element.cc

// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/modules/media_controls/elements/media_control_picture_in_picture_button_element.h"

#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/core/dom/events/event.h"
#include "third_party/blink/renderer/core/html/media/html_media_element.h"
#include "third_party/blink/renderer/core/html/media/html_media_source.h"
#include "third_party/blink/renderer/core/html/media/html_video_element.h"
#include "third_party/blink/renderer/core/input_type_names.h"
#include "third_party/blink/renderer/modules/media_controls/media_controls_impl.h"
#include "third_party/blink/renderer/modules/picture_in_picture/picture_in_picture_controller_impl.h"

namespace blink {

MediaControlPictureInPictureButtonElement::
    MediaControlPictureInPictureButtonElement(MediaControlsImpl& media_controls)
    : MediaControlInputElement(media_controls, kMediaIgnore) {
  setType(input_type_names::kButton);
  SetShadowPseudoId(
      AtomicString("-internal-media-controls-picture-in-picture-button"));
  SetIsWanted(false);
}

bool MediaControlPictureInPictureButtonElement::
    WillRespondToMouseClickEvents() {
  return true;
}

void MediaControlPictureInPictureButtonElement::UpdateDisplayType() {
  DCHECK(MediaElement().IsHTMLVideoElement());
  bool isInPictureInPicture =
      PictureInPictureController::IsElementInPictureInPicture(
          &ToHTMLVideoElement(MediaElement()));
  SetDisplayType(isInPictureInPicture ? kMediaExitPictureInPictureButton
                                      : kMediaEnterPictureInPictureButton);
  SetClass("on", isInPictureInPicture);
  UpdateOverflowString();

  MediaControlInputElement::UpdateDisplayType();
}

WebLocalizedString::Name
MediaControlPictureInPictureButtonElement::GetOverflowStringName() const {
  DCHECK(MediaElement().IsHTMLVideoElement());
  bool isInPictureInPicture =
      PictureInPictureController::IsElementInPictureInPicture(
          &ToHTMLVideoElement(MediaElement()));

  return isInPictureInPicture
             ? WebLocalizedString::kOverflowMenuExitPictureInPicture
             : WebLocalizedString::kOverflowMenuEnterPictureInPicture;
}

bool MediaControlPictureInPictureButtonElement::HasOverflowButton() const {
  return true;
}

const char* MediaControlPictureInPictureButtonElement::GetNameForHistograms()
    const {
  return IsOverflowElement() ? "PictureInPictureOverflowButton"
                             : "PictureInPictureButton";
}

void MediaControlPictureInPictureButtonElement::DefaultEventHandler(
    Event& event) {
  if (event.type() == event_type_names::kClick ||
      event.type() == event_type_names::kGesturetap) {
    PictureInPictureControllerImpl& controller =
        PictureInPictureControllerImpl::From(MediaElement().GetDocument());

    DCHECK(MediaElement().IsHTMLVideoElement());
    HTMLVideoElement* video_element = &ToHTMLVideoElement(MediaElement());
    if (PictureInPictureController::IsElementInPictureInPicture(video_element))
      controller.ExitPictureInPicture(video_element, nullptr);
    else
      controller.EnterPictureInPicture(video_element, nullptr);
  }

  MediaControlInputElement::DefaultEventHandler(event);
}

}  // namespace blink