webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

2 files changed, 116 insertions, 0 deletions

diff --git a/Source/WebKit2/WebProcess/Scrolling/RemoteScrollingCoordinator.h b/Source/WebKit2/WebProcess/Scrolling/RemoteScrollingCoordinator.h
new file mode 100644
index 000000000..cf5dced3b
--- /dev/null
+++ b/Source/WebKit2/WebProcess/Scrolling/RemoteScrollingCoordinator.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2014-2015 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 RemoteScrollingCoordinator_h
+#define RemoteScrollingCoordinator_h
+
+#if ENABLE(ASYNC_SCROLLING)
+
+#include "MessageReceiver.h"
+#include <WebCore/AsyncScrollingCoordinator.h>
+#include <WebCore/ScrollTypes.h>
+#include <WebCore/ScrollingConstraints.h>
+#include <WebCore/Timer.h>
+
+namespace IPC {
+class Decoder;
+class Encoder;
+}
+
+namespace WebKit {
+
+class WebPage;
+class RemoteScrollingCoordinatorTransaction;
+
+class RemoteScrollingCoordinator : public WebCore::AsyncScrollingCoordinator, public IPC::MessageReceiver {
+public:
+    static Ref<RemoteScrollingCoordinator> create(WebPage* page)
+    {
+        return adoptRef(*new RemoteScrollingCoordinator(page));
+    }
+
+    void buildTransaction(RemoteScrollingCoordinatorTransaction&);
+
+private:
+    RemoteScrollingCoordinator(WebPage*);
+    virtual ~RemoteScrollingCoordinator();
+
+    bool isRemoteScrollingCoordinator() const override { return true; }
+    
+    // ScrollingCoordinator
+    bool coordinatesScrollingForFrameView(const WebCore::FrameView&) const override;
+    void scheduleTreeStateCommit() override;
+
+    bool isRubberBandInProgress() const override;
+    void setScrollPinningBehavior(WebCore::ScrollPinningBehavior) override;
+    bool isScrollSnapInProgress() const override;
+
+    // IPC::MessageReceiver
+    void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override;
+    
+    // Respond to UI process changes.
+    void scrollPositionChangedForNode(WebCore::ScrollingNodeID, const WebCore::FloatPoint& scrollPosition, bool syncLayerPosition);
+    void currentSnapPointIndicesChangedForNode(WebCore::ScrollingNodeID, unsigned horizontal, unsigned vertical);
+
+    WebPage* m_webPage;
+};
+
+} // namespace WebKit
+
+SPECIALIZE_TYPE_TRAITS_SCROLLING_COORDINATOR(WebKit::RemoteScrollingCoordinator, isRemoteScrollingCoordinator());
+
+#endif // ENABLE(ASYNC_SCROLLING)
+
+#endif // RemoteScrollingCoordinator_h
diff --git a/Source/WebKit2/WebProcess/Scrolling/RemoteScrollingCoordinator.messages.in b/Source/WebKit2/WebProcess/Scrolling/RemoteScrollingCoordinator.messages.in
new file mode 100644
index 000000000..2c098a109
--- /dev/null
+++ b/Source/WebKit2/WebProcess/Scrolling/RemoteScrollingCoordinator.messages.in
@@ -0,0 +1,30 @@
+# Copyright (C) 2014-2015 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.
+
+#if ENABLE(ASYNC_SCROLLING)
+
+messages -> RemoteScrollingCoordinator {
+    ScrollPositionChangedForNode(uint64_t nodeID, WebCore::FloatPoint scrollPosition, bool syncLayerPosition);
+    CurrentSnapPointIndicesChangedForNode(uint64_t nodeID, unsigned horizontal, unsigned vertical);
+}
+
+#endif // ENABLE(ASYNC_SCROLLING)