Add compositing, layers to app_list_demo

content/browser/compositor/browser_compositor_view_mac.h

 // Copyright 2014 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 CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_VIEW_MAC_H_
 #define CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_VIEW_MAC_H_
 
 #include <vector>
 
 #include "cc/output/software_frame_data.h"
 #include "skia/ext/platform_canvas.h"
 #include "ui/compositor/compositor.h"
 #include "ui/events/latency_info.h"
 #include "ui/gfx/geometry/size.h"
 
+#include "content/common/content_export.h"
+
+// Additions to the NSView interface for compositor frames.
+@interface NSView (BrowserCompositorView)
+- (void)gotAcceleratedIOSurfaceFrame:(IOSurfaceID)surface_handle
+                 withOutputSurfaceID:(int)surface_id
+                     withLatencyInfo:(std::vector<ui::LatencyInfo>) latency_info
+                       withPixelSize:(gfx::Size)pixel_size
+                     withScaleFactor:(float)scale_factor;
+
+- (void)gotSoftwareFrame:(cc::SoftwareFrameData*)frame_data
+         withScaleFactor:(float)scale_factor
+              withCanvas:(SkCanvas*)canvas;
+@end  // NSView (BrowserCompositorView)
+
 namespace content {
 
 class BrowserCompositorViewMacInternal;
 
 // The interface through which BrowserCompositorViewMac calls back into
 // RenderWidgetHostViewMac (or any other structure that wishes to draw a
 // NSView backed by a ui::Compositor).
-class BrowserCompositorViewMacClient {
+class CONTENT_EXPORT BrowserCompositorViewMacClient {
  public:
   // Drawing is usually throttled by the rate at which CoreAnimation draws
   // frames to the screen. This can be used to disable throttling.
   virtual bool BrowserCompositorViewShouldAckImmediately() const = 0;
 
   // Called when a frame is drawn, and used to pass latency info back to the
   // renderer (if any).
   virtual void BrowserCompositorViewFrameSwapped(
       const std::vector<ui::LatencyInfo>& latency_info) = 0;
 
   // Used to install the ui::Compositor-backed NSView as a child of its parent
   // view.
   virtual NSView* BrowserCompositorSuperview() = 0;
 
   // Used to install the root ui::Layer into the ui::Compositor.
   virtual ui::Layer* BrowserCompositorRootLayer() = 0;
 };
 
 // The class to hold a ui::Compositor-backed NSView. Because a ui::Compositor
 // is expensive in terms of resources and re-allocating a ui::Compositor is
 // expensive in terms of work, this class is largely used to manage recycled
 // instances of BrowserCompositorViewCocoa, which actually is a NSView and
 // has a ui::Compositor instance.
-class BrowserCompositorViewMac {
+class CONTENT_EXPORT BrowserCompositorViewMac {
  public:
   // This will install the NSView which is drawn by the ui::Compositor into
   // the NSView provided by the client.
   explicit BrowserCompositorViewMac(BrowserCompositorViewMacClient* client);
   ~BrowserCompositorViewMac();
 
   // The ui::Compositor being used to render the NSView.
   ui::Compositor* GetCompositor() const;
 
   // The client (used by the BrowserCompositorViewCocoa to access the client).
@@ skipping 21 matching lines @@
 
  private:
   BrowserCompositorViewMacClient* client_;
   scoped_ptr<BrowserCompositorViewMacInternal> internal_view_;
 };
 
 // A class to keep around whenever a BrowserCompositorViewMac may be created.
 // While at least one instance of this class exists, a spare
 // BrowserCompositorViewCocoa will be kept around to be recycled so that the
 // next BrowserCompositorViewMac to be created will be be created quickly.
-class BrowserCompositorViewPlaceholderMac {
+class CONTENT_EXPORT BrowserCompositorViewPlaceholderMac {
  public:
   BrowserCompositorViewPlaceholderMac();
   ~BrowserCompositorViewPlaceholderMac();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_VIEW_MAC_H_