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// Copyright 2021 The Chromium Authors
// 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/accessibility/ax_media_control.h"
#include "third_party/blink/renderer/core/html/forms/html_input_element.h"
#include "third_party/blink/renderer/core/layout/layout_object.h"
#include "third_party/blink/renderer/modules/accessibility/ax_object-inl.h"
#include "third_party/blink/renderer/modules/accessibility/ax_object_cache_impl.h"
#include "third_party/blink/renderer/modules/media_controls/elements/media_control_elements_helper.h"
namespace blink {
// static
AXObject* AccessibilityMediaControl::Create(
LayoutObject* layout_object,
AXObjectCacheImpl& ax_object_cache) {
DCHECK(layout_object->GetNode());
return MakeGarbageCollected<AccessibilityMediaControl>(layout_object,
ax_object_cache);
}
AccessibilityMediaControl::AccessibilityMediaControl(
LayoutObject* layout_object,
AXObjectCacheImpl& ax_object_cache)
: AXNodeObject(layout_object, ax_object_cache) {}
bool AccessibilityMediaControl::InternalSetAccessibilityFocusAction() {
AXObject::InternalSetAccessibilityFocusAction();
MediaControlElementsHelper::NotifyMediaControlAccessibleFocus(GetElement());
return true;
}
bool AccessibilityMediaControl::InternalClearAccessibilityFocusAction() {
AXObject::InternalClearAccessibilityFocusAction();
MediaControlElementsHelper::NotifyMediaControlAccessibleBlur(GetElement());
return true;
}
bool AccessibilityMediaControl::OnNativeSetValueAction(const String& value) {
// We should only execute this action on a kInputRange.
auto* input = DynamicTo<HTMLInputElement>(GetNode());
if (!input ||
input->FormControlType() != mojom::FormControlType::kInputRange) {
return AXNodeObject::OnNativeSetValueAction(value);
}
if (input->Value() == value) {
return false;
}
input->SetValue(value, TextFieldEventBehavior::kDispatchInputAndChangeEvent);
// Fire change event manually, as SliderThumbElement::StopDragging does.
input->DispatchFormControlChangeEvent();
// Dispatching an event could result in changes to the document, like
// this AXObject becoming detached.
if (IsDetached()) {
return false;
}
AXObjectCache().HandleValueChanged(GetNode());
return true;
}
} // namespace blink
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