Hello Pepper API.

ppapi/api/dev/ppb_hello_dev.idl

Index: ppapi/api/dev/ppb_hello_dev.idl
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+/* Copyright (c) 2011 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.
+ */
+
+/**
+ * This file define the sample Hello API.
+ */
+
+label Chrome {
+  M16 = 0.1
+};
+
+/**
+ * The <code>PPB_Hello_Dev</code> struct.
+ */
+interface PPB_Hello_Dev {
+  /**
+   * Create() creates a hello object.
+   *
+   * @param[in] instance A <code>PP_Hello_Dev</code> identifying the instance.
+   *
+   * @return A <code>PP_Resource</code> corresponding to a hello if successful.
+   */
+  PP_Resource Create([in] PP_Instance instance);
+
+  /**
+   * IsHello() determines if the provided resource is a hello.
+   *
+   * @param[in] resource A <code>PP_Resource</code> corresponding to a hello.
+   *
+   * @return <code>PP_TRUE</code> if the resource is a
+   * <code>PPB_Hello_Dev</code>, <code>PP_FALSE</code> if the resource is
+   * invalid or some type other than <code>PP_Hello_Dev</code>.
+   */
+  PP_Bool IsHello([in] PP_Resource resource);
+
+  /**
+   * SayHello() says hello.
+   *
+   * @param[in] instance A <code>PP_Resource</code> corresponding to a hello.
+   *
+   * @return Returns <code>PP_OK</code> on success or
+   * <code>PP_Error_BadResource</code> if the hello is invalid.
+   */
+  int32_t SayHello([in] PP_Resource hello);
+
+  /**
+   * WhoAreYou() returns who execute this function.
+   *
+   * @param[in] instance A <code>PP_Resource</code> corresponding to a hello.
+   *
+   * @param[out] name A buffer to store the name who execute this function.
+   *
+   * @param[in] size The size of name buffer.
+   *
+   * @param[in] callback A <code>PP_CompletionCallback</code> which is invoked
+   * when asynchronous request is completed.
+   */
+  void WhoAreYou([in] PP_Resource hello, [out] char name, [in] uint32_t size,
+      [in] PP_CompletionCallback callback);
+};
+