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Unified Diff: Source/core/page/scrolling/ScrollCustomizationCallbacks.cpp

Issue 1236913004: Expose scroll customization for touch to JS (behind REF). (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Add to leak expectations. Created 5 years, 3 months ago
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Index: Source/core/page/scrolling/ScrollCustomizationCallbacks.cpp
diff --git a/Source/core/page/scrolling/ScrollCustomizationCallbacks.cpp b/Source/core/page/scrolling/ScrollCustomizationCallbacks.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..4748ec07a29e9ebb80482bd9c4c31b74fb54e696
--- /dev/null
+++ b/Source/core/page/scrolling/ScrollCustomizationCallbacks.cpp
@@ -0,0 +1,47 @@
+// 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 "config.h"
+#include "core/page/scrolling/ScrollCustomizationCallbacks.h"
+
+#include "core/page/scrolling/ScrollStateCallback.h"
+#include "wtf/Deque.h"
+
+namespace blink {
+
+void ScrollCustomizationCallbacks::setDistributeScroll(Element* element, ScrollStateCallback* scrollStateCallback)
+{
+ m_distributeScrollCallbacks.set(element, scrollStateCallback);
+}
+
+ScrollStateCallback* ScrollCustomizationCallbacks::getDistributeScroll(Element* element)
+{
+ auto it = m_distributeScrollCallbacks.find(element);
+ if (it == m_distributeScrollCallbacks.end())
+ return nullptr;
+ return it->value.get();
+}
+
+void ScrollCustomizationCallbacks::setApplyScroll(Element* element, ScrollStateCallback* scrollStateCallback)
+{
+ m_applyScrollCallbacks.set(element, scrollStateCallback);
+}
+
+ScrollStateCallback* ScrollCustomizationCallbacks::getApplyScroll(Element* element)
+{
+ auto it = m_applyScrollCallbacks.find(element);
+ if (it == m_applyScrollCallbacks.end())
+ return nullptr;
+ return it->value.get();
+}
+
+#if !ENABLE(OILPAN)
+void ScrollCustomizationCallbacks::removeCallbacksForElement(Element* element)
+{
+ m_applyScrollCallbacks.remove(element);
+ m_distributeScrollCallbacks.remove(element);
+}
+#endif
+
+} // namespace blink
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