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// Copyright 2015 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/core/page/scrolling/scroll_state_callback.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
void ScrollStateCallbackV8Impl::Trace(blink::Visitor* visitor) {
visitor->Trace(callback_);
ScrollStateCallback::Trace(visitor);
}
void ScrollStateCallbackV8Impl::Invoke(ScrollState* scroll_state) {
callback_->InvokeAndReportException(nullptr, scroll_state);
}
NativeScrollBehavior ScrollStateCallbackV8Impl::ParseNativeScrollBehavior(
const String& native_scroll_behavior) {
static const char kDisable[] = "disable-native-scroll";
static const char kBefore[] = "perform-before-native-scroll";
static const char kAfter[] = "perform-after-native-scroll";
if (native_scroll_behavior == kDisable)
return NativeScrollBehavior::kDisableNativeScroll;
if (native_scroll_behavior == kBefore)
return NativeScrollBehavior::kPerformBeforeNativeScroll;
if (native_scroll_behavior == kAfter)
return NativeScrollBehavior::kPerformAfterNativeScroll;
NOTREACHED();
return NativeScrollBehavior::kDisableNativeScroll;
}
} // namespace blink
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