Index: ppapi/examples/scripting/post_message.cc |
=================================================================== |
--- ppapi/examples/scripting/post_message.cc (revision 0) |
+++ ppapi/examples/scripting/post_message.cc (revision 0) |
@@ -0,0 +1,57 @@ |
+// 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. |
+ |
+#include <algorithm> |
+ |
+#include "ppapi/cpp/instance.h" |
+#include "ppapi/cpp/module.h" |
+#include "ppapi/cpp/var.h" |
+ |
+// This is a simple C++ Pepper plugin that demonstrates HandleMessage and |
+// PostMessage. |
+ |
+// This object represents one time the page says <embed>. |
+class MyInstance : public pp::Instance { |
+ public: |
+ explicit MyInstance(PP_Instance instance) : pp::Instance(instance) {} |
+ virtual ~MyInstance() {} |
+ virtual void HandleMessage(const pp::Var& message_data); |
+}; |
+ |
+// HandleMessage gets invoked when postMessage is called on the DOM element |
+// associated with this plugin instance. |
+// In this case, if we are given a string, we'll post a message back to |
+// JavaScript indicating whether or not that string is a palindrome. |
+void MyInstance::HandleMessage(const pp::Var& message_data) { |
+ if (message_data.is_string()) { |
+ std::string string_copy(message_data.AsString()); |
+ std::reverse(string_copy.begin(), string_copy.end()); |
+ bool is_palindrome(message_data.AsString() == string_copy); |
+ |
+ PostMessage(pp::Var(is_palindrome)); |
+ } |
+} |
+ |
+// This object is the global object representing this plugin library as long |
+// as it is loaded. |
+class MyModule : public pp::Module { |
+ public: |
+ MyModule() : pp::Module() {} |
+ virtual ~MyModule() {} |
+ |
+ // Override CreateInstance to create your customized Instance object. |
+ virtual pp::Instance* CreateInstance(PP_Instance instance) { |
+ return new MyInstance(instance); |
+ } |
+}; |
+ |
+namespace pp { |
+ |
+// Factory function for your specialization of the Module object. |
+Module* CreateModule() { |
+ return new MyModule(); |
+} |
+ |
+} // namespace pp |
+ |
Property changes on: ppapi/examples/scripting/post_message.cc |
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Added: svn:eol-style |
+ LF |