Index: cc/layer_tree_host_client.h |
diff --git a/cc/layer_tree_host_client.h b/cc/layer_tree_host_client.h |
index 638cbb270ce9b24689d5095baf174ade4f4d1a13..1c88a7542363c80eb8163348da3b9e6c2ef8df9b 100644 |
--- a/cc/layer_tree_host_client.h |
+++ b/cc/layer_tree_host_client.h |
@@ -1,3 +1,43 @@ |
// Copyright 2012 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 CCLayerTreeHostClient_h |
+#define CCLayerTreeHostClient_h |
+ |
+#include "base/memory/scoped_ptr.h" |
+ |
+namespace WebKit { |
+class WebCompositorOutputSurface; |
+} |
+ |
+namespace cc { |
+class CCInputHandler; |
+class IntSize; |
+ |
+class CCLayerTreeHostClient { |
+public: |
+ virtual void willBeginFrame() = 0; |
+ // Marks finishing compositing-related tasks on the main thread. In threaded mode, this corresponds to didCommit(). |
+ virtual void didBeginFrame() = 0; |
+ virtual void animate(double frameBeginTime) = 0; |
+ virtual void layout() = 0; |
+ virtual void applyScrollAndScale(const IntSize& scrollDelta, float pageScale) = 0; |
+ virtual scoped_ptr<WebKit::WebCompositorOutputSurface> createOutputSurface() = 0; |
+ virtual void didRecreateOutputSurface(bool success) = 0; |
+ virtual scoped_ptr<CCInputHandler> createInputHandler() = 0; |
+ virtual void willCommit() = 0; |
+ virtual void didCommit() = 0; |
+ virtual void didCommitAndDrawFrame() = 0; |
+ virtual void didCompleteSwapBuffers() = 0; |
+ |
+ // Used only in the single-threaded path. |
+ virtual void scheduleComposite() = 0; |
+ |
+protected: |
+ virtual ~CCLayerTreeHostClient() { } |
+}; |
+ |
+} |
+ |
+#endif // CCLayerTreeHostClient_h |