Cloning a bunch of stuff from the native_client repository at r6528

ppapi/native_client/src/shared/ppapi_proxy/plugin_instance_data.h

+/*
+ * Copyright 2011 The Native Client 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 NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_INSTANCE_DATA_H_
+#define NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_INSTANCE_DATA_H_
+
+#include "native_client/src/include/nacl_macros.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_rect.h"
+
+namespace ppapi_proxy {
+
+// Per-instance data on the plugin side.
+class PluginInstanceData {
+ public:
+  static PluginInstanceData* FromPP(PP_Instance id);
+  static void DidCreate(PP_Instance id);
+  static void DidDestroy(PP_Instance id);
+  static void DidChangeView(PP_Instance id, PP_Rect position, PP_Rect clip);
+
+  PluginInstanceData(PP_Instance id)
+    : id_(id), position_(PP_MakeRectFromXYWH(0, 0, 0, 0)) {
+  }
+  ~PluginInstanceData() {}
+
+  PP_Instance id() { return id_; }
+  PP_Rect position() { return position_; }
+  void set_position(PP_Rect position) { position_ = position; }
+
+ private:
+  NACL_DISALLOW_COPY_AND_ASSIGN(PluginInstanceData);
+
+  PP_Instance id_;
+  PP_Rect position_;
+};
+
+}  // namespace ppapi_proxy
+
+#endif  // NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_INSTANCE_DATA_H_