Index: third_party/WebKit/Source/core/observer/ResizeObservation.h |
diff --git a/third_party/WebKit/Source/core/observer/ResizeObservation.h b/third_party/WebKit/Source/core/observer/ResizeObservation.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..68d45d5120bc851e99d5cb2d96cf8231af967834 |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/observer/ResizeObservation.h |
@@ -0,0 +1,35 @@ |
+// Copyright 2016 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. |
+ |
+#ifndef ResizeObservation_h |
+#define ResizeObservation_h |
+ |
+#include "core/observer/ResizeObserverEntry.h" |
+#include "platform/geometry/LayoutSize.h" |
+#include "platform/heap/Handle.h" |
+ |
+namespace blink { |
+ |
+class Element; |
+class ResizeObserver; |
+ |
+// ResizeObservation represents an element that is being observed. |
+class ResizeObservation : public GarbageCollected<ResizeObservation> { |
esprehn
2016/07/21 17:52:28
final
atotic1
2016/07/21 19:15:00
Done.
|
+public: |
+ ResizeObservation(Element* target, ResizeObserver*); |
+ |
+ Element* target() const { return m_target; } |
+ |
+ DECLARE_TRACE(); |
+ |
+private: |
+ WeakMember<Element> m_target; |
+ // m_observer only purpose is to maintain a strong reference |
+ // to the ResizeObserver, to prevent it from being garbage-collected. |
esprehn
2016/07/21 17:52:28
is this still true once you go to a push model?
atotic1
2016/07/21 19:15:00
Good catch, no it is not. Done.
|
+ Member<ResizeObserver> m_observer; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // ResizeObservation_h |