Refactoring of new IPC-only pepper implementation

content/public/renderer/renderer_ppapi_host.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_PUBLIC_RENDERER_RENDERER_PPAPI_HOST_H_
+#define CONTENT_PUBLIC_RENDERER_RENDERER_PPAPI_HOST_H_
+
+#include "ppapi/c/pp_instance.h"
+
+namespace ppapi {
+namespace host {
+class PpapiHost;
+}
+}
+
+namespace content {
+
+class RenderView;
+
+// Interface that allows components in the embedder app to talk to the
+// PpapiHost in the renderer process.
+//
+// There will be one of these objects in the renderer per plugin module.
+class RendererPpapiHost {
+ public:
+  // Returns the PpapiHost object.
+  virtual ppapi::host::PpapiHost* GetPpapiHost() = 0;
+
+  // Returns true if the given PP_Instance is valid and belongs to the
+  // plugin associated with this host.
+  virtual bool IsValidInstance(PP_Instance instance) const = 0;
+
+  // Returns the RenderView for the given plugin instance, or NULL if the
+  // instance is invalid.
+  virtual RenderView* GetRenderViewForInstance(PP_Instance instance) const = 0;
+
+  // Returns true if the given instance is considered to be currently
+  // processing a user gesture or the plugin module has the "override user
+  // gesture" flag set (in which case it can always do things normally
+  // restricted by user gestures). Returns false if the instance is invalid or
+  // if there is no current user gesture.
+  virtual bool HasUserGesture(PP_Instance instance) const = 0;
+
+ protected:
+  virtual ~RendererPpapiHost() {}
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_RENDERER_RENDERER_PPAPI_HOST_H_
+