Index: third_party/WebKit/Source/core/observer/ResizeObserver.h |
diff --git a/third_party/WebKit/Source/core/observer/ResizeObserver.h b/third_party/WebKit/Source/core/observer/ResizeObserver.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..87b1157b11f2d00b94035306ba5a2667386aed82 |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/observer/ResizeObserver.h |
@@ -0,0 +1,66 @@ |
+// 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 ResizeObserver_h |
+#define ResizeObserver_h |
+ |
+#include "bindings/core/v8/ScriptWrappable.h" |
szager1
2016/05/23 19:49:11
I don't think you use this.
|
+#include "core/dom/Element.h" |
szager1
2016/05/23 19:49:12
You shouldn't need this, the forward class declara
|
+#include "core/observer/ResizeObserverEntry.h" |
szager1
2016/05/23 19:49:12
I don't think you use this.
|
+#include "platform/heap/Handle.h" |
+ |
+namespace blink { |
+ |
+class Document; |
+class Element; |
+class ResizeObserverCallback; |
+class ResizeObserverEntry; |
szager1
2016/05/23 19:49:11
I don't think you use this.
|
+class ResizeObservation; |
+ |
+// ResizeObserver represents ResizeObserver javascript api: |
+// https://github.com/WICG/ResizeObserver/ |
+class ResizeObserver final : public GarbageCollectedFinalized<ResizeObserver>, public ScriptWrappable { |
+ DEFINE_WRAPPERTYPEINFO(); |
+ |
+public: |
+ static ResizeObserver* create(Document&, ResizeObserverCallback*); |
+ |
+ virtual ~ResizeObserver() {}; |
szager1
2016/05/23 19:49:12
No unnecessary destructors, switch class to Garbag
|
+ |
+ // API methods |
+ void observe(Element*); |
+ void unobserve(Element*); |
+ void disconnect(); |
+ |
+ DECLARE_TRACE(); |
+ |
+ void gatherObservations(); |
szager1
2016/05/23 19:49:12
Too much whitespace.
|
+ |
+ bool hasObservations() const { return !m_activeObservations.isEmpty(); } |
+ |
+ void deliverObservations(); |
+ |
+private: |
+ |
+ // FIXME(atotic): for GC, I need an ordered list of WeakMembers here. |
+ using ObservationList = HeapVector<Member<ResizeObservation>>; |
szager1
2016/05/23 19:49:11
No typedef's or "using", just use full type everyw
|
+ |
+ ObservationList::iterator find(Element*); |
+ |
+ explicit ResizeObserver(ResizeObserverCallback*); |
+ |
+ Member<ResizeObserverCallback> m_callback; |
+ |
+ // List of elements we are observing |
+ ObservationList m_observations; |
+ |
+ // List of elements that have changes |
+ HeapVector<Member<ResizeObservation>> m_activeObservations; |
+ |
+}; |
+ |
+ |
+} // namespace blink |
+ |
+#endif // ResizeObserver_h |