Initial browser-side implementation for touch-action

content/renderer/render_widget.h

 // Copyright (c) 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 CONTENT_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <deque>
 #include <map>
 
@@ skipping 525 matching lines @@
   // just handled.
   virtual void DidHandleTouchEvent(const blink::WebTouchEvent& event) {}
 
   // Check whether the WebWidget has any touch event handlers registered
   // at the given point.
   virtual bool HasTouchEventHandlersAt(const gfx::Point& point) const;
 
   // Check whether the WebWidget has any touch event handlers registered.
   virtual void hasTouchEventHandlers(bool has_handlers);
 
+  // Tell the browser about the actions permitted for a new touch point.
+  virtual void setTouchAction(int touchId, TouchAction touchAction);
+
   // Creates a 3D context associated with this view.
   scoped_ptr<WebGraphicsContext3DCommandBufferImpl> CreateGraphicsContext3D(
       const blink::WebGraphicsContext3D::Attributes& attributes);
 
   bool OnSnapshotHelper(const gfx::Rect& src_subrect, SkBitmap* bitmap);
 
   void ScheduleCompositeImpl(bool force_redraw);
 
   // Routing ID that allows us to communicate to the parent browser process
   // RenderWidgetHost. When MSG_ROUTING_NONE, no messages may be sent.
@@ skipping 233 matching lines @@
   float popup_origin_scale_for_emulation_;
 
   scoped_ptr<ResizingModeSelector> resizing_mode_selector_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_