webkit/ppapi: Notify the container when a plugin is accepting touch events.

webkit/plugins/ppapi/ppapi_plugin_instance.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 WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_
 #define WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 310 matching lines @@
   // Simulates an input event to the plugin by passing it down to WebKit,
   // which sends it back up to the plugin as if it came from the user.
   void SimulateInputEvent(const ::ppapi::InputEventData& input_event);
 
   // Simulates an IME event at the level of RenderView which sends it back up to
   // the plugin as if it came from the user.
   bool SimulateIMEEvent(const ::ppapi::InputEventData& input_event);
   void SimulateImeSetCompositionEvent(
       const ::ppapi::InputEventData& input_event);
 
+  // Returns true if the plugin has registered to accept touch events.
+  bool IsAcceptingTouchEvents() const;
+
   // PPB_Instance_API implementation.
   virtual PP_Bool BindGraphics(PP_Instance instance,
                                PP_Resource device) OVERRIDE;
   virtual PP_Bool IsFullFrame(PP_Instance instance) OVERRIDE;
   virtual const ::ppapi::ViewData* GetViewData(PP_Instance instance) OVERRIDE;
   virtual PP_Var GetWindowObject(PP_Instance instance) OVERRIDE;
   virtual PP_Var GetOwnerElementObject(PP_Instance instance) OVERRIDE;
   virtual PP_Var ExecuteScript(PP_Instance instance,
                                PP_Var script,
                                PP_Var* exception) OVERRIDE;
@@ skipping 323 matching lines @@
   // the pointer so we can re-send it later if we are reset to talk to NaCl.
   scoped_refptr<PPB_URLLoader_Impl> document_loader_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginInstance);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_