webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 63 insertions, 0 deletions

diff --git a/Source/WebKit2/Shared/Scrolling/RemoteScrollingCoordinatorTransaction.h b/Source/WebKit2/Shared/Scrolling/RemoteScrollingCoordinatorTransaction.h
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+++ b/Source/WebKit2/Shared/Scrolling/RemoteScrollingCoordinatorTransaction.h
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+/*
+ * Copyright (C) 2014 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef RemoteScrollingCoordinatorTransaction_h
+#define RemoteScrollingCoordinatorTransaction_h
+
+#include <WebCore/ScrollingStateTree.h>
+
+namespace IPC {
+class Decoder;
+class Encoder;
+}
+
+namespace WebKit {
+
+class RemoteScrollingCoordinatorTransaction {
+public:
+#if ENABLE(ASYNC_SCROLLING)
+    void setStateTreeToEncode(std::unique_ptr<WebCore::ScrollingStateTree> stateTree) { m_scrollingStateTree = WTFMove(stateTree); }
+    std::unique_ptr<WebCore::ScrollingStateTree>& scrollingStateTree() { return m_scrollingStateTree; }
+#endif // ENABLE(ASYNC_SCROLLING)
+
+    void encode(IPC::Encoder&) const;
+    static bool decode(IPC::Decoder&, RemoteScrollingCoordinatorTransaction&);
+
+#if !defined(NDEBUG) || !LOG_DISABLED
+    WTF::CString description() const;
+    void dump() const;
+#endif
+
+private:
+#if ENABLE(ASYNC_SCROLLING)
+    bool decode(IPC::Decoder&);
+    
+    std::unique_ptr<WebCore::ScrollingStateTree> m_scrollingStateTree;
+#endif // ENABLE(ASYNC_SCROLLING)
+};
+
+} // namespace WebKit
+
+#endif // RemoteScrollingCoordinatorTransaction_h